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Version 2.13.13
[lttng-modules.git] / ChangeLog
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b813aed7
MD		 12024-05-13 (National Leprechaun Day) LTTng modules 2.13.13
2 * splice wrapper: Fix missing declaration
3 * page alloc wrapper: Fix get_pfnblock_flags_mask prototype
4 * lttng probe: include events-internal.h
5 * syscalls: Remove unused duplicated code
6 * statedump: Add missing events-internal.h include
7 * lttng-events: Add missing static
8 * event notifier: Add missing static
9 * context callstack: Add missing static
10 * lttng-clock: Add missing lttng/events-internal.h include
11 * lttng-calibrate: Add missing static and include
12 * lttng-bytecode: Remove dead code
13 * lttng-abi: Add missing static to function definitions
14 * ring buffer: Add missing static to function definitions
15 * blkdev wrapper: Fix constness warning
16 * Fix: timer_expire_entry changed in 4.19.312
17 * Fix: dev_base_lock removed in linux 6.9-rc1
18 * Fix: mm_compaction_migratepages changed in linux 6.9-rc1
19 * Fix: ASoC add component to set_bias_level events in linux 6.9-rc1
20 * Fix: ASoC snd_doc_dapm on linux 6.9-rc1
21 * Fix: build kvm probe on EL 8.4+
22 * Fix: support ext4_journal_start on EL 8.4+
23 * Fix: correct RHEL range for kmem_cache_free define
24
4ba4f0ec
MD		 252024-03-21 (National Common Courtesy Day) LTTng modules 2.13.12
26 * docs: Add supported versions and fix-backport policy
27 * docs: Add links to project resources
28 * Fix: Correct minimum version in jbd2 SLE kernel range
29 * Fix: Handle recent SLE major version codes
30 * Fix: build on sles15sp4
31 * Compile fixes for RHEL 9.3 kernels
32 * Fix: ext4_discard_preallocations changed in linux 6.8.0-rc3
33 * Fix: btrfs_get_extent flags and compress_type changed in linux 6.8.0-rc1
34 * Fix: btrfs_chunk tracepoints changed in linux 6.8.0-rc1
35 * Fix: strlcpy removed in linux 6.8.0-rc1
36 * Fix: timer_start changed in linux 6.8.0-rc1
37 * Fix: sched_stat_runtime changed in linux 6.8.0-rc1
38
e63d548a
MD		 392024-01-10 (National Houseplant Appreciation Day) LTTng modules 2.13.11
40 * Fix: Include linux/sched/rt.h for kernels v3.9 to v3.14
41 * Fix: Disable IBT around indirect function calls
42 * Inline implementation of task_prio()
43 * Fix: prio context NULL pointer exception
44 * Fix: MODULE_IMPORT_NS is introduced in kernel 5.4
45 * Android: Import VFS namespace for android common kernel
46 * Fix: get_file_rcu is missing in kernels < 4.1
47 * fix: lookup_fd_rcu replaced by lookup_fdget_rcu in linux 6.7.0-rc1
48 * fix: mm, vmscan signatures changed in linux 6.7.0-rc1
49 * fix: phys_proc_id and cpu_core_id moved in linux 6.7.0-rc1
50 * Fix build for RHEL 8.8 with linux 4.18.0-477.10.1+
51 * Fix: bytecode validator: oops during validation of immediate string
52 * fix: lttng-probe-kvm-x86-mmu build with linux 6.6
53 * fix: built-in lttng with kernel >= v6.1
54 * fix: ubuntu kinetic kernel range for jdb2
55
15ac0c8a
MD		 562023-06-07 (National VCR Day) LTTng modules 2.13.10
57 * Add support for RHEL 9.1
58 * Add support for RHEL 9.0
59 * fix: kallsyms wrapper on CONFIG_PPC64_ELF_ABI_V1
60 * fix: net: add location to trace_consume_skb() (v6.3)
61 * fix: btrfs: pass find_free_extent_ctl to allocator tracepoints (v6.3)
62 * fix: uuid: Decouple guid_t and uuid_le types and respective macros (v6.3)
63 * fix: mm: introduce vma->vm_flags wrapper functions (v6.3)
64
da1f5a26
MD		 652023-03-03 (Canadian Bacon Day) LTTng modules 2.13.9
66 * fix: jbd2: use the correct print format (v5.4.229)
67 * fix: jbd2 upper bound for v5.10.163
68 * fix: jbd2: use the correct print format (v5.10.163)
69 * fix: btrfs: move accessor helpers into accessors.h (v6.2)
70
d3bcf088
MD		 712023-01-13 (National Sticker Day) LTTng modules 2.13.8
72 * fix: jbd2: use the correct print format
73 * Fix: in_x32_syscall was introduced in v4.7.0
74 * Explicitly skip tracing x32 system calls
75 * fix: kallsyms wrapper on ppc64el
76 * fix: Adjust ranges for RHEL 8.6 kernels
77 * fix: kvm-x86 requires CONFIG_KALLSYMS_ALL
78 * fix: mm/slab_common: drop kmem_alloc & avoid dereferencing fields when not using (v6.1)
79
fbae1b8c
MD		 802022-09-30 (National Day for Truth and Reconciliation) LTTng modules 2.13.7
81 * Fix: handle integer capture page faults as skip field
82
ea8bb288
MD		 832022-09-30 (National Day for Truth and Reconciliation) LTTng modules 2.13.6
84 * Fix: bytecode validator: reject specialized load field/context ref instructions
85 * Fix: bytecode validator: reject specialized load instructions
86 * Fix: honor "user" attribute for array/sequence of user integers
87 * wrapper: powerpc64: fix kernel crash caused by do_get_kallsyms
88 * Fix: event notification: Remove duplicate event enabled check
89 * Fix: event notification capture: validate buffer length
90 * Fix: handle capture page faults as skip field
91 * Fix: event notification capture error handling
92 * Fix: capture_sequence_element_{un,}signed: handle user-space input
93 * Fix: notification capture: handle userspace strings
94 * Implement lttng_msgpack_write_user_str
95 * Fix: bytecode interpreter: LOAD_FIELD: handle user fields
96 * Fix: move "user" attribute from field to type
97 * Introduce lttng_copy_from_user_check_nofault
98 * fix: adjust range v5.10.137 in block probe
99
eb8243c1
MD		 1002022-08-19 (National Potato Day) LTTng modules 2.13.5
101 * Fix: incorrect stub prototypes when CONFIG_HAVE_SYSCALL_TRACEPOINTS=n
102 * fix: mm/tracing: add 'accounted' entry into output of allocation tracepoints (v6.0)
103 * fix: block: remove bdevname (v6.0)
104 * fix: fs/jbd2: Fix the documentation of the jbd2_write_superblock() callers (v6.0)
105 * fix: tie compaction probe build to CONFIG_COMPACTION
106 * fix: net: skb: introduce kfree_skb_reason() (v5.15.58..v5.16)
107 * fix: workqueue: Fix type of cpu in trace event (v5.19)
108 * fix: fs: Remove flags parameter from aops->write_begin (v5.19)
109 * fix: mm/page_alloc: fix tracepoint mm_page_alloc_zone_locked() (v5.19)
110
b190b3e8
MD		 1112022-06-03 (National Repeat Day) (National Repeat Day) LTTng modules 2.13.4
112 * Fix: event notifier: racy use of last subbuffer record
113 * Fix: bytecode interpreter context_get_index() leaves byte order uninitialized
114 * fix: 'random' tracepoints removed in stable kernels
115 * fix: random: remove unused tracepoints (v5.10, v5.15)
116 * fix: sched/tracing: Append prev_state to tp args instead (v5.18)
117 * fix: mm: compaction: cleanup the compaction trace events (v5.18)
118 * fix: scsi: core: Remove <scsi/scsi_request.h> (v5.18)
119 * fix: kprobes: Use rethook for kretprobe if possible (v5.18)
120 * fix: random: remove unused tracepoints (v5.18)
121 * fix: scsi: block: Remove REQ_OP_WRITE_SAME support (v5.18)
122 * fix: block: remove genhd.h (v5.18)
123 * fix: sched/tracing: Don't re-read p->state when emitting sched_switch event (v5.18)
124 * fix: KVM: x86: Unexport kvm_x86_ops (v5.18)
125 * Fix: do not warn on unknown counter ioctl
126 * Fix: tracepoint event: allow same provider and event name
127 * Fix: compaction migratepages event name
128
cd69bdbd
MD		 1292022-03-25 (National Waffle Day) LTTng modules 2.13.3
130 * Document expected ISO8601 time formats in ABI header
131 * Fix: lttng ABI: lttng_counter_ioctl() tainted scalar
132 * Fix: sample discarded events count before reserve
133 * Cleanup: comment alignment in ring buffer config.h
134
a0828ca5
MD		 1352022-03-07 (National Cereal Day) LTTng modules 2.13.2
136 * Fix: incorrect in/out direction for syscall exit
137 * fix: net: socket: rename SKB_DROP_REASON_SOCKET_FILTER (v5.17)
138 * fix: net: skb: introduce kfree_skb_reason() (v5.17)
139 * fix: random: rather than entropy_store abstraction, use global (v5.17)
140 * fix: btrfs: pass fs_info to trace_btrfs_transaction_commit (v5.17)
141 * fix: mm: compaction: fix the migration stats in trace_mm_compaction_migratepages() (v5.17)
142 * fix: block: remove the ->rq_disk field in struct request (v5.17)
143 * fix: block: remove GENHD_FL_SUPPRESS_PARTITION_INFO (v5.17)
144 * Copyright ownership transfer
145
8c0aec7e
MD		 1462022-01-05 (National Bird Day) LTTng modules 2.13.1
147 * fix: mm: move kvmalloc-related functions to slab.h (v5.16)
148 * fix: block: don't call blk_status_to_errno in blk_update_request (v5.16)
149 * fix: KVM: MMU: change tracepoints arguments to kvm_page_fault (v5.16)
150 * fix: KVM: x86: Get exit_reason as part of kvm_x86_ops.get_exit_info (v5.16)
151 * fix: isystem: delete global -isystem compile option (v5.16)
152 * fix: block: move block-related definitions out of fs.h (v5.16)
153 * Fix: syscall tracing: missing trigger actions
154 * Warn on event registration/unregistration failure
155 * fix: implicit-int error in EXPORT_SYMBOL_GPL
156 * fix: Revert "Makefile: Enable -Wimplicit-fallthrough for Clang" (v5.15)
157 * fix: cpu/hotplug: Remove deprecated CPU-hotplug functions. (v5.15)
158
fbba0d79
MD		 1592021-08-02 (Ice Cream Sandwich Day) LTTng modules 2.13.0
160 * No change
161
ddb8c0ef
MD		 1622021-07-16 (World Snake Day) LTTng modules 2.13.0-rc3
163 * fix: sched: Change task_struct::state (v5.14)
164 * fix: btrfs: pass btrfs_inode to btrfs_writepage_endio_finish_ordered() (v5.14)
165 * fix: adjust ranges for RHEL 8.4
166
f982b51a
MD		 1672021-05-14 (National Dance Like a Chicken Day) LTTng modules 2.13.0-rc2
168 * fix: adjust ranges for RHEL 8.2 and 8.3
169 * Disable x86 error code bitwise enum in default build
170 * Disable mmap bitwise enum in default build
171 * Disable block rwbs bitwise enum in default build
172 * Disable sched_switch bitwise enum in default build
173 * Disable open[at] bitwise enum in default build
174 * Disable fcntl bitwise enum in default build
175 * Disable clone bitwise enum in default build
176 * Add experimental bitwise enum config option
177 * Add defaults to Kconfig options
178 * Cleanup: remove unused EXTCFLAGS from Makefile
179 * Sync `show_inode_state()` macro with upstream stable kernels
180 * Update .gitreview for stable-2.13
181 * Sync `show_inode_state()` macro with Ubuntu 4.15 kernel
182 * fix: block: remove disk_part_iter (v5.12)
183 * Cleanup: lib ring buffer: rename pagecpy local variable
184 * Cleanup: clarify strcpy/strcpy_from_user local variables
185 * Implement ring buffer Pascal string copy
186 * Move alignment into event write callback
187 * Cleanup: disable page fault after access_ok
188 * Fix: increment buffer offset when failing to copy from user-space
189 * Fix: add missing #include for 3.8 kernel
190 * Fix: builtin script referring to old directories
191 * events.h API const-ness
192 * Rename struct lib_ring_buffer* to struct lttng_kernel_ring_buffer*
193 * Rename struct channel to struct lttng_kernel_ring_buffer_channel
194 * Refactoring: struct lttng_channel
195 * Fix: missing #include for 3.8 kernel
196 * Introduce struct lttng_kernel_tracepoint_class, enum probe_desc field
197 * Set probe descriptor field in event descriptor
198 * Split syscall tracepoint generation in their own files
199 * Include `linux/in{,6}.h` closer to where it's used
200 * Group all syscall enums in one compile unit
201 * Include `linux/mman.h` for mmap flag enum
202 * Add `struct trace_syscall_table`
203 * Define `static_assert()` when not defined by kernel
204 * Move event hash tables to private header
205 * Move forward declarations to private header
206 * Move lttng_syscall_filter forward declaration to private header
207 * Split ID tracker into public/private structures
208 * Move id tracker hash node to private header
209 * Split struct lttng_session into public/private structures
210 * Move struct lttng_metadata_stream to private header
211 * Move event notifier and counter structures to private header
212 * Rename struct lib_ring_buffer_ctx to struct lttng_kernel_ring_buffer_ctx
213 * Refactoring: struct lttng_kernel_channel_buffer_ops
214 * Rename lttng_probe_{,un}register to lttng_kernel_probe_{,un}register
215 * Move metadata cache structure to internal header
216 * Move internal APIs to internal header
217 * Move kprobes, uprobes, kretprobes, syscall structures to internal header
218 * Move kprobe, kretprobe, uprobe APIs to internal header
219 * Remove unused TRACEPOINT_HAS_DATA_ARG
220 * Move enabler APIs to internal header
221 * Move bytecode structures to internal header
222 * Remove include of internal header from tracepoint-event-impl.h
223 * Rename struct lttng_probe_ctx to struct lttng_kernel_probe_ctx
224 * Rename struct lttng_bytecode_runtime to struct lttng_kernel_bytecode_runtime
225 * Rename struct lttng_bytecode_node to struct lttng_kernel_bytecode_node
226 * Move context structures and API to internal header
227 * Move enabler structures to internal header
228 * Makefile: add .o wildcard target
229 * Fix: Makefile: generation of specific .i file not working
230 * Fix: refactor preemptible context
231 * Refactoring: context callbacks
232 * Remove event id parameter from event_reserve callback
233 * Refactoring: ring buffer context
234 * sequence and variant types: use previous field for length/tag if NULL
235
2ad5a979
MD		 2362021-04-23 (National Take a Chance (on me ?) Day) LTTng modules 2.13.0-rc1
237 * Set the 2.13 release codename and description
238 * Fix: LTTng-modules ABI ioctl wrong direction
239 * Refactoring: bytecode interpreter
240 * Move probe_ctx argument to align with lttng-ust
241 * Combine event notifier and recorder enable/disable functions
242 * Refactoring: combine probe callbacks
243 * Combine event recorder and notifier destroy
244 * Refactoring: event structures
245 * lttng-probes: Warn of event's and provider's name for mismatch
246 * fix: mm, tracing: kfree event name mismatching with provider kmem (v5.12)
247 * fix: refactor contexts for type description structures
248 * fix: remove 'src/' from modules install path
249 * fix: Adjust ranges for Ubuntu 5.4.0-67 kernel
250 * fix: block: add a disk_uevent helper (v5.12)
251 * Fix: perf counters: uninitialized field
252 * Cleanup: implement dedicated file operations for events and enablers
253 * Namespace LTTng modules ABI with lttng_kernel_abi_ prefix
254 * Refactoring: type description structures
255 * Prefix lttng_enum_desc with lttng_kernel_
256 * Prefix lttng_enum_value and lttng_enum_entry with lttng_kernel_
257 * Introduce internal event header
258 * Cleanup: namespace string encoding
259 * Cleanup: Rename abstract types to lttng_kernel_type
260 * Cleanup: event_notifier -> notify in comments
261 * Fix: event notifier: add missing parameters validation
262 * msgpack: use KERNEL namespace for header protection
263 * Cleanup: lttng_abi_create_event{,_notifier}: use switch/case rather than if
264 * Add entryexit field to kretprobes ABI
265 * Add missing fallthrough comments
266 * No-op instrumentation is unsupported, cleanup fallthrough comments
267 * kretprobes: rename "return" to "exit"
268 * compiler warning cleanup: is_signed_type: compare -1 to 1
269 * Fix: bytecode linker: validate event and field array/sequence encoding
270 * Fix: racy notifier captures update vs traversal
271 * Fix: kretprobe: null ptr deref on session destroy
272 * Fix: bytecode linker: iteration on wrong list head
273 * counters: add coalesce_hits to ABI
274 * fix: mm, tracing: record slab name for kmem_cache_free() (v5.12)
275 * Fix: filter interpreter early-exits on uninitialized value
276 * Fix: memory leaks on event notifier destroy
277 * Fix: memory leaks on event destroy
278 * fix: Adjust ranges for Ubuntu 5.8.0-44 kernel
279 * Fix: do not use bdi_unknown_name symbol
280 * fix: memcg: fix a crash in wb_workfn when a device disappears (5.6)
281 * Fix: writeback: out-of-bound reads
282 * fix: Add one digit to RHEL major release version
283 * fix: Add one digit to SLES minor release version
284 * fix: RT_PATCH_VERSION is close to overflow
285 * fix: cast LTTNG_KERNEL_VERSION/LTTNG_LINUX_VERSION_CODE to uint64_t
286 * fix: double defined LTTNG_KERNEL_VERSION
287 * fix: UTS_UBUNTU_RELEASE_ABI is close to overflow
288 * fix: sublevel version overflow in LINUX_VERSION_CODE
289 * Namespace kernel version macros
290 * aarch64: blacklist gcc prior to 5.1
291 * fix: missing include for 'task_struct' in fdtable.h
292 * Fix: counter-api: always inline counter add function
293 * fix: genirq: Restrict export of irq_to_desc() (v5.11)
294 * fix: block: merge struct block_device and struct hd_struct (v5.11)
295 * fix: kprobes: Remove kretprobe hash (v5.11)
296 * fix: file: Rename fcheck lookup_fd_rcu (v5.11)
297 * fix: block: remove the request_queue argument to the block_bio_remap tracepoint (v5.11)
298 * fix: block: remove the request_queue argument to the block_split tracepoint (v5.11)
299 * fix: block: simplify and extend the block_bio_merge tracepoint class (v5.11)
300 * fix: block: remove the request_queue to argument request based tracepoints (v5.11)
301 * fix: remove floating-point arguments in msgpack
302 * abi: use 0, 1 for counter enumerations
303 * Cleanup: use tabs in abi.h
304 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 6
305 * Fix: handle default switch case with -EINVAL in lttng-syscalls
306 * fix: use wrapper for hlist_for_each_entry_rcu
307 * fix: asm/barrier.h was introduced in v3.4
308 * Fix: handle default switch case with -EINVAL in __lttng_counter_add
309 * Introduce lttng smp_store_release smp_load_acquire wrappers
310 * fix: include byteorder.h for 'cpu_to_*'
311 * Fix: notifier: use store-release/load-acquire for error counter
312 * Fix: event-notifier: Groups may not have an error counter
313 * Bump LTTNG_KERNEL_EVENT_NOTIFIER_PADDING to 32 bytes
314 * Fix: remove dead code in msgpack.c
315 * Fix: counter: cast UINT*_MAX to 64-bit signed type before negative
316 * Fix: include limits.h wrapper from libcounter
317 * Fix: include kernel.h in wrapper/limits.h
318 * Introduce limits wrapper
319 * Introduce lazy system call event creation
320 * Implement event notifier error counter
321 * Implement lib counter
322 * capture: Replace FIXME by explanation of the limit
323 * Implement capturing payload on event notifier
324 * Fix: comment related to filter bytecode list
325 * Fix: use vmalloc for filter bytecode allocation
326 * Implement enum and sequence capture serialization functions
327 * bytecode: Add `OBJECT_TYPE_{UN,}SIGNED_ENUM` type
328 * Generalize `lttng_enabler_link_bytecode()` bytecode list
329 * Cleanup: rename `_lttng_filter_link_bytecode()` -> `link_bytecode()`
330 * Add `interpreter_funcs` to `lttng_bytecode_runtime`
331 * bytecode: rename `lttng_filter_sync_state()` -> `lttng_bytecode_filter_sync_state()`
332 * Rename filter bytecode types and files
333 * bytecode: generalize `struct lttng_filter_bytecode_node`
334 * Add msgpack implementation for serializing captures
335 * bytecode: allow interpreter to return any type
336 * bytecode: propagate `rev_bo` of element
337 * bytecode: set register type to `REG_PTR` even if not used
338 * Add `lttng_bytecode_interpret_format_output()` for top of stack extraction
339 * bytecode: add `REG_U64` interpreter register type
340 * Fix: filter validator: refuse string and star glob input to bitwise operation
341 * Fix: bytecode: Validate register type for instructions expecting unknown type
342 * Cleanup: Rename filter functions/fields to mention "filter"
343 * Implement event notifiers for syscalls
344 * Fix: syscalls: address of statically allocated element never null
345 * Rename LTTNG_SYSCALL_MATCH_ -> LTTNG_KERNEL_SYSCALL_MATCH_
346 * Allow LTTNG_KERNEL_SYSCALL_{ENTRY, EXIT}
347 * syscalls: extract `lttng_syscall_filter_enable()` for reuse
348 * Cleanup: syscall: remove unused `syscall_name` field
349 * fix: adjust version range for trace_find_free_extent()
350 * Improve the release script
351 * Add release maintainer script
352 * fix: include order for older kernels
353 * fix: tracepoint: Optimize using static_call() (v5.10)
354 * fix: KVM: x86/mmu: Return unique RET_PF_* values if the fault was fixed (v5.10)
355 * fix: kvm: x86/mmu: Add TDP MMU PF handler (v5.10)
356 * fix: KVM: x86: Add intr/vectoring info and error code to kvm_exit tracepoint (v5.10)
357 * fix: ext4: fast commit recovery path (v5.10)
358 * fix: btrfs: make ordered extent tracepoint take btrfs_inode (v5.10)
359 * fix: btrfs: tracepoints: output proper root owner for trace_find_free_extent() (v5.10)
360 * fix: objtool: Rename frame.h -> objtool.h (v5.10)
361 * Revert "Implement event notifiers for syscalls"
362 * Fix: ressource leak in id tracker
363 * Implement event notifiers for syscalls
364 * lttng-syscalls.c: extract function calling actual probe
365 * Namespace syscall code relating to events
366 * Implement event notifiers for uprobes
367 * Namespace uprobe functions relating to events
368 * doc: event notifier on kretprobe is not supported
369 * Implement event notifiers for kprobes
370 * Namespace kprobe functions relating to events
371 * Implement event notifiers for tracepoints
372 * Implement event notifier probes
373 * Fix: event notifier: adapt read iterator state to poll expectations
374 * Fix: event-notifier: do not flush packet if it only contains subbuf header
375 * Implement lttng_event_notifier_group_notif_fops read, poll, open, release ABI
376 * Implement event notifier send notification
377 * Add event notifier and event notifier enabler
378 * Implement event notifier group create
379 * Add token to `struct lttng_kernel_event`
380 * lttng-events: move lttng_transport_find earlier in source file
381 * lib ring buffer: move subbuffer_consume_record into LTTNG_RING_BUFFER_COUNT_EVENTS ifdef
382 * lib ring buffer iterator: introduce lib_ring_buffer_put_current_record
383 * Introduce event notifier lib ring buffer client
384 * lttng_abi_create_stream_fd: expect fd name as parameter
385 * LTTng ring buffer clients: expect void pointer as private data to create channel
386 * lib ring buffer: use irq_work for wakeup by writer
387 * Rename `lttng_event_{get,put}()` to `lttng_event_desc_{get,put}()`
388 * Cleanup: extract function to borrow hashlist bucket
389 * Decouple `struct lttng_event` from filter code
390 * Rename `lttng_create_*_if_missing()` in anticipation of event notifiers
391 * Extract event enabler fields to specialized struct
392 * Docs: explain why unused `lttng_enabler::ctx` is kept around
393 * Rename `enum lttng_enabler_type` to `_format_type`
394 * Test: add signed value and enum for testings of event notifier capture
395 * Cleanup: remove usage of enum in ABI structures
396 * Fix: type mismatch in clone instrumentation
397 * syscalls: Make clone()'s `flags` field a 2 enum struct.
398 * fix: strncpy equals destination size warning
399 * Set version to 2.13-pre
400 * Cleanup: lttng-syscalls: silence warning about uninitialized bitmap variable
401 * Add 'kernel_read' wrapper for kernels < v4.14
402 * fix: Use 'kernel_read' to read from procfs
403 * fix: don't allow userspace copy to read kernel memory
404 * fix: Add a 1MB limit to lttng_strlen_user_inatomic
405 * fix: Adjust ranges for Ubuntu 4.15.0-119 kernel
406 * fix: Adjust ranges for Ubuntu HWE 5.0 kernels
407 * Fix: system call filter table
408 * fix: version ranges for ext4_discard_preallocations and writeback_queue_io
409 * fix: writeback: Fix sync livelock due to b_dirty_time processing (v5.9)
410 * fix: writeback: Drop I_DIRTY_TIME_EXPIRE (v5.9)
411 * fix: removal of [smp_]read_barrier_depends (v5.9)
412 * fix: ext4: indicate via a block bitmap read is prefetched… (v5.9)
413 * fix: ext4: limit the length of per-inode prealloc list (v5.9)
414 * fix: KVM: x86/mmu: Make kvm_mmu_page definition and accessor internal-only (v5.9)
415 * fix: Move mmutrace.h into the mmu/ sub-directory (v5.9)
416 * Namespace all logging statements
417 * Kconfig: fix dependency issue when building in-tree without CONFIG_FTRACE
418 * Fix: mmap enum flags build failures
419 * syscalls: Make mmap()'s fields `prot` and `flags` enums
420 * x86: add error code enum to pagefault tracepoints
421 * Fix: TAINT_UNSAFE_SMP renamed to TAINT_CPU_OUT_OF_SPEC in v3.15
422 * module_load: change `taints` field to `ctf_enum`
423 * Fix: Lock metadata cache on session destroy
424 * Fix: metadata stream leak, missing list removal and locking
425 * Fix: coherent state not changed atomically with metadata written
426 * fix: include module.h for EXPORT_SYMBOL_GPL
427 * fix: __lttng_vmalloc_node_range const caller introduced in v3.6
428 * fix: version range for overflow_callback
429 * fix: global_dirty_limit was introduced in v3.1
430 * fix: wrapper_uprobe_unregister is a void function
431 * fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
432 * fix: vmalloc on v5.8 without KALLSYMS
433 * Detect missing symbols used with kallsyms_lookup at compile time
434 * Add time namespace context
435 * Use exported symbol bdevname() instead of disk_name()
436 * Add git-review config
437 * fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
438 * Update design document
439 * Add lttng-modules design document
440 * Fix: callstack: initialize nested sequence length field name
441 * Fix: callstack: NULL pointer dereference: length field also need fdata
442 * Fix: callstack context memory corruption
443 * fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
444 * fix: block: remove the error argument to the block_bio_complete (v5.8)
445 * fix: pipe_buf_operations rework (v5.8)
446 * Fix: syscalls: Ignore fcntl cmd specific to 32-bit in 64-bit only config
447 * Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
448 * fix: vmalloc_sync_mappings was backported to v5.5.12
449 * Update: Additional kernel ranges for vmalloc_sync_mappings
450 * Update: Use vmalloc_sync_mappings for stable kernels
451 * Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
452 * Cleanup: remove unsupported `ctf_float()` macros
453 * Cleanup: have interpreter functions return _DISCARD instead of 0
454 * Cleanup: bytecode: typo: "s16" -> "u16"
455 * Cleanup: Rename patches.i to patches.h
456 * Cleanup: Move all source files to src/
457 * Cleanup: Move patches.i to include/generated/
458 * Cleanup: Move lttng-modules instrumentation headers
459 * Cleanup: Remove toplevel directory from include search path
460 * Cleanup: Move blacklist/ headers to include/blacklist/
461 * Cleanup: Move wrapper/ headers to include/wrapper/
462 * Cleanup: Move instrumentation/ headers to include/instrumentation/
463 * Cleanup: Remove deprecated TODO file
464 * fix: add missing guid_t type to wrapper
465 * Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
466 * Cleanup: Move headers from toplevel to include/lttng/
467 * Cleanup: Move headers from probes/ to include/lttng/
468 * Cleanup: Move headers from lib/ to include/lttng/
469 * Cleanup: Move lib/ringbuffer/ headers to include/ringbuffer/
470 * Fix: wrapper random documentation
471 * Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
472 * Unbreak LTTng for kernel 5.7
473 * Move lttng wrappers into own module
474 * Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
475 * instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
476 * instrumentation: update mm_vmscan for kernel >= 5.7.0
477 * filter: bytecode already in the list should go before
478 * tracepoint: Refactor representation of nested types
479 * wrapper/compiler.h: Implement __LTTNG_COMPOUND_LITERAL
480 * Update to SPDX v3.0 identifiers
481 * fix: uaccess wrapper for CentOS >= 4.18.0-147
482 * fix: ext4 instrumentation for CentOS >= 4.18.0-147
483 * fix: signal instrumentation for CentOS >= 4.18.0-147
484 * fix: kvm instrumentation for CentOS >= 4.18.0-147
485 * fix: rcu instrumentation for CentOS >= 4.18.0-80
486 * Fix: update kvm instrumentation for Ubuntu 5.3.0-45
487 * Fix: update kvm instrumentation for Ubuntu 5.3.0-43
488 * Fix: fcntl enum: only emit F_GETOWNER_UIDS for kernels >= 3.6
489 * syscalls: Make the cmd field of fcntl an enum
490 * syscalls: Make the flags and mode fields of open[at] enumerations
491 * Fix: update kvm instrumentation for Ubuntu 4.15.0-92
492 * Record event as soon as one filter evaluates to TRUE
493 * Add UDP and ICMP packet header information to the tracepoint
494 * statedump: introduce file_table_address
495 * Remove kernel version from syscall headers name
496 * Add script to automate the syscall extraction process
497 * Update lttng-syscalls-extractor for v5.6.0
498 * Add a Makefile for the lttng-syscalls-extractor module
499 * Cleanup: Syscall headers scripts shellcheck warnings
500 * Remove lttng-ftrace integration
501 * Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
502 * Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
503 * Remove work-around for signed tracepoint module tainting (kernel 3.15+)
504 * Change integer base to hex for fields representing addresses
505 * Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
506 * fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
507 * fix: use timespec64 on kernels that have it
508 * fix: move lttng_close_on_exec to proper wrapper
509 * fix: 'struct timex' removed upstream (v5.6)
510 * Fix: statedump: consistently check task_cred_xxx() return value for NULL
511 * Fix: statedump: check task_active_pid_ns return value for NULL
512 * Fix: lttng-events.c: variable may be used uninitialized
513 * Cleanup: remove trailing white spaces across project
514 * sched: Make the sched_switch task state an enum
515 * block: Make the rwbs field as a bit field enum
516 * fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
517 * fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
518 * fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
519 * fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
520 * fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
521 * fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
522 * fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
523
ada81c8b
MD		 5242020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
525 * Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
526 * Version 2.12.0-pre
527 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 5
528 * fix: use user ns wrapper code in new id trackers
529 * fix: function prototype in wrapper/mm.h
530 * ID tracker: implement vpid/uid/vuid/gid/vgid trackers
531 * lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
532 * lttng-clear: stop tracing required
533 * sunrpc: introduce lttng_get_clid helper
534 * Fix: sunrpc: use signed integer for client id
535 * Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
536 * Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
537 * fix: ext4: Reserve revoke credits for freed blocks (v5.5)
538 * fix: btrfs: tracepoints: constify all pointers (v5.5)
539 * fix: btrfs block group struct refactor (v5.5)
540 * fix: y2038: itimer: change implementation to timespec64 (v5.5)
541 * Update .gitignore from upstream
542 * Add missing include for kernels between 3.8 and 3.15
543 * Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
544 * net: Add entry/exit tracepoints for all receive paths
545 * statedump: Add thread ID (tid) to interrupt
546 * metadata: Add the product uuid to the 'env' section
547 * Cleanup: statedump process state event pid namespace fields
548 * Add namespaces statedump
549 * Add uid/gid contexts
550 * Add namespace contexts
551 * README.md: Document LTTNG_TRACEPOINT_EVENT
552 * README.md: cleanup formatting for bullet lists
553 * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
554 * Cleanup: Silence gcc fall-through warning
555 * Fix: update sched prev_state instrumentation for upstream kernel
556 * Fix: gcc-9.1 stack frame size warning
557 * Implement ring buffer clear
558 * Make bitfield.h C++-friendly
559 * Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
560 * Add metadata env fields
561 * Introduce LTTNG_KERNEL_SESSION_SET_NAME
562 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
563 * Fix: missing define when not building with gcc
564 * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
565 * Fix: Don't print ring-buffer's records count when it is not used
566 * Fix: do not set quiescent state on channel destroy
567 * Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
568 * Introduce callstack stackwalk implementation header
569 * Prepare callstack common code for stackwalk
570 * Introduce callstack legacy implementation header
571 * fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
572 * fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
573 * fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
574 * fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
575 * fix: timer/trace: Improve timer tracing (v5.2)
576 * Cleanup: bitfields: streamline use of underscores
577 * Silence compiler "always false comparison" warning
578 * Fix: bitfield: shift undefined/implementation defined behaviors
579 * Fix: timestamp_end field should include all events within sub-buffer
580 * Fix: Remove start and number from syscall_get_arguments() args (v5.1)
581 * lttng abi documentation: clarify getter usage requirements
582 * Fix: don't access packet header for stream_id and stream_instance_id getters
583 * Fix: atomic_long_add_unless() returns a boolean
584 * Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
585 * Fix: pipe: stop using ->can_merge (v5.1)
586 * Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
587 * Fix: mm: create the new vm_fault_t type (v5.1)
588 * Fix: extra-version-git.sh redirect stderr to /dev/null
589 * Move timekeeping blacklisting to a header file
590 * Blacklist: kprobe for arm
591 * Cleanup: tp mempool: Remove logically dead code
592 * Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
593 * Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
594 * Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
595 * Fix: Remove 'type' argument from access_ok() function (v5.0)
596 * Fix: timer instrumentation for RHEL 7.6
597 * Add missing SPDX license identifiers to uprobes
598 * Drop support for kernels < 3.0 from Makefiles
599 * Drop support for kernels < 3.0 from writeback instrumentation
600 * Drop support for kernels < 3.0 from workqueue instrumentation
601 * Drop support for kernels < 3.0 from skb instrumentation
602 * Drop support for kernels < 3.0 from scsi instrumentation
603 * Drop support for kernels < 3.0 from sched instrumentation
604 * Drop support for kernels < 3.0 from power instrumentation
605 * Drop support for kernels < 3.0 from net instrumentation
606 * Drop support for kernels < 3.0 from module instrumentation
607 * Drop support for kernels < 3.0 from mm_vmscan instrumentation
608 * Drop support for kernels < 3.0 from lock instrumentation
609 * Drop support for kernels < 3.0 from kvm instrumentation
610 * Drop support for kernels < 3.0 from kmem instrumentation
611 * Drop support for kernels < 3.0 from jbd2 instrumentation
612 * Drop support for kernels < 3.0 from irq instrumentation
613 * Drop support for kernels < 3.0 from ext4 instrumentation
614 * Drop support for kernels < 3.0 from block instrumentation
615 * Drop support for kernels < 3.0 from lttng-statedump-impl.c
616 * Drop support for kernels < 3.0 from lttng-kernel-version.h
617 * Drop support for kernels < 3.0 from lttng-events.h
618 * Drop support for kernels < 3.0 from lib
619 * Drop spinlock.h wrapper
620 * Drop kstrtox.h wrapper
621 * Drop uuid.h wrapper
622 * Drop vzalloc.h wrapper
623 * Drop support for kernels < 3.0 from tracepoint.h wrapper
624 * Drop support for kernels < 3.0 from perf.h wrapper
625 * Drop support for kernels < 3.0 from atomic.h wrapper
626 * Drop compat patches for kernels < 2.6.36
627 * Bump minimum kernel version to 3.0
628 * Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
629 * Fix: signal: Remove SEND_SIG_FORCED (v4.20)
630 * Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
631 * statedump cpu topology: introduce LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
632 * CPU topology statedump on x86
633 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
634 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
635 * Fix: adapt to kernel relative references
636 * Fix: sync event enablers before choosing header type
637 * Fix: implicit declarations caused by buffer size checks.
638 * Prevent allocation of buffers if exceeding available memory
639 * Fix: btrfs instrumentation namespacing
640 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
641 * Fix: tracing: Centralize preemptirq tracepoints (4.19)
642 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
643 * Fix: access migrate_disable field directly
644 * Fix: out of memory error handling
645 * Fix: uprobes: missing break in lttng_event_ioctl()
646 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
647 * Fix: instruction pointer has different names across arch
648 * Fix: build failures when CONFIG_UPROBES is absent
649 * uprobe: Support multiple call sites for the same uprobe event
650 * uprobe: Receive file descriptor from session instead of path to file
651 * uprobe: Mark uprobe event as registered
652 * Add uprobes support
653 * Fix: adjust SLE version ranges to build with SP2 and SP3
654 * Fix: Allow alphanumeric characters in SLE version
655 * Fix: Adjust range for SuSE 4.4.103-92 kernels
656 * Cleanup: move to kernel style SPDX license identifiers
657 * Cleanup: move scripts to subdirectory
658 * Cleanup: modinfo keys
659 * Add extra version information framework
660 * Revert "Add btrfs file item tracepoints"
661 * Fix: btrfs: Remove unnecessary fs_info parameter
662 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
663 * Fix: asoc: Remove snd_soc_cache_sync() implementation
664 * Fix: asoc: fix printing jack name
665 * Fix: asoc: Consolidate path trace events
666 * Fix: ASoC level IO tracing removed upstream
667 * Enable userspace callstack contexts only on x86
668 * Prevent re-entrancy in callstack-user context
669 * Callstack context: bump number of entries to 128
670 * Fix: callstack context alignment calculation
671 * Cleanup callstack context
672 * Fix callstack context: write empty sequence if no stack trace
673 * Fix: callstack context: false-sharing, bad memory size allocation
674 * callstack context: use delimiter when stack is incomplete
675 * Cleanup callstack context
676 * Add kernel and user callstack contexts
677 * Assign CPU id before saving the context size
678 * Define max nesting count constant
679 * Compute variable sized context length
680 * Pass arguments for context size computation
681 * Add 9p probe
682 * Update delayed ref tracepoints for v3.12
683 * Add btrfs file item tracepoints
684 * Add btrfs tracepoint for em's EEXIST case
685 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
686 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
687 * Fix: lttng filter validator ERANGE error handling
688 * Fix: filter interpreter: use LTTNG_SIZE_MAX
689 * Filter: add FILTER_OP_RETURN_S64 instruction
690 * Perform bitwise ops on unsigned types
691 * Filter: catch shift undefined behavior
692 * Filter: add lshift, rshift, bit not ops
693 * Filter: index array, sequences, implement bitwise binary operators
694 * Fix: pid tracker should track "pgid" for noargs probes
695 * lttng-tp-mempool: perform node-local allocation
696 * Fix: update RCU instrumentation for 4.17
697 * Fix: sunrpc instrumentation for 4.17
698 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
699 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
700 * Update: kvm instrumentation for ubuntu 4.13.0-38
701 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
702 * Fix: btrfs instrumentation namespacing
703 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
704 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
705 * Fix: update kvm instrumentation for 4.1.50+
706 * Use the memory pool instead of kmalloc
707 * Create a memory pool for temporary tracepoint probes storage
708 * Fix: use proper pid_ns in the process statedump
709 * Fix: add variable quoting to shell scripts
710 * Update: kvm instrumentation for fedora 4.14.13-300
711 * Fix: Add Fedora version macros
712 * Add preemptirq instrumentation
713 * Clean-up: fix stale #endif comments
714 * Command to dump the metadata cache again
715 * Add a new /dev/lttng-logger interface
716 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
717 * Fix: update block instrumentation for SuSE 4.4.114-92
718 * Fix: update rcu instrumentation for v4.16
719 * Fix: update vmscan instrumentation for v4.16
720 * Fix: update timer instrumentation on 4.16 and 4.14-rt
721 * Update kvm instrumentation for debian kernel 4.14.0-3
722 * Fix: network instrumentation protocol enum
723 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
724 * Fix: update block instrumentation for SuSE 4.4.73-5
725 * Fix: global_dirty_limit for kernel v4.2 and up
726 * Fix: network instrumentation handling of corrupted TCP headers
727 * Fix: add missing uaccess.h include from kstrtox.h wrapper
728 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
729 * Fix: btrfs_delayed_ref_head was unwired since v3.12
730 * Update kvm instrumentation for debian kernel 4.9.65-3
731 * Fix: debian kernel version parsing
732 * Fix: block instrumentation 4.14+ NULL pointer dereference
733 * Update: kvm instrumentation for 3.16.52 and 3.2.97
734 * Fix: kvm instrumentation for 4.15
735 * Update sock instrumentation for 4.15
736 * Update kvm instrumentation for 4.15
737 * Fix: ACCESS_ONCE() removed in kernel 4.15
738 * Fix: sched instrumentation on stable RT kernels
739 * timer API transition for kernel 4.15
740 * Fix: Don't nest get online cpus
741 * Fix: lttng_channel_syscall_mask() bool use in bitfield
742 * Fix: update kmem instrumentation for kernel 4.15
743 * Fix: lttng_kvmalloc helper NULL pointer OOPS
744
aca13e38
MD		 7452018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
746 * Fix: uprobes: missing break in lttng_event_ioctl()
747 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
748 * Fix: instruction pointer has different names across arch
749 * Fix: build failures when CONFIG_UPROBES is absent
750 * uprobe: Support multiple call sites for the same uprobe event
751 * uprobe: Receive file descriptor from session instead of path to file
752 * uprobe: Mark uprobe event as registered
753 * Add uprobes support
754 * Fix: adjust SLE version ranges to build with SP2 and SP3
755 * Fix: Allow alphanumeric characters in SLE version
756 * Fix: Adjust range for SuSE 4.4.103-92 kernels
757 * Cleanup: move to kernel style SPDX license identifiers
758 * Cleanup: move scripts to subdirectory
759 * Cleanup: modinfo keys
760 * Add extra version information framework
761 * Revert "Add btrfs file item tracepoints"
762 * Fix: btrfs: Remove unnecessary fs_info parameter
763 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
764 * Fix: asoc: Remove snd_soc_cache_sync() implementation
765 * Fix: asoc: fix printing jack name
766 * Fix: asoc: Consolidate path trace events
767 * Fix: ASoC level IO tracing removed upstream
768 * Enable userspace callstack contexts only on x86
769 * Prevent re-entrancy in callstack-user context
770 * Callstack context: bump number of entries to 128
771 * Fix: callstack context alignment calculation
772 * Cleanup callstack context
773 * Fix callstack context: write empty sequence if no stack trace
774 * Fix: callstack context: false-sharing, bad memory size allocation
775 * callstack context: use delimiter when stack is incomplete
776 * Cleanup callstack context
777 * Add kernel and user callstack contexts
778 * Assign CPU id before saving the context size
779 * Define max nesting count constant
780 * Compute variable sized context length
781 * Pass arguments for context size computation
782 * Add 9p probe
783 * Update delayed ref tracepoints for v3.12
784 * Add btrfs file item tracepoints
785 * Add btrfs tracepoint for em's EEXIST case
786 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
787 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
788 * Fix: lttng filter validator ERANGE error handling
789 * Fix: filter interpreter: use LTTNG_SIZE_MAX
790 * Filter: add FILTER_OP_RETURN_S64 instruction
791 * Perform bitwise ops on unsigned types
792 * Filter: catch shift undefined behavior
793 * Filter: add lshift, rshift, bit not ops
794 * Filter: index array, sequences, implement bitwise binary operators
795 * Fix: pid tracker should track "pgid" for noargs probes
796 * lttng-tp-mempool: perform node-local allocation
797 * Fix: update RCU instrumentation for 4.17
798 * Fix: sunrpc instrumentation for 4.17
799 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
800 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
801 * Update: kvm instrumentation for ubuntu 4.13.0-38
802 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
803 * Fix: btrfs instrumentation namespacing
804 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
805 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
806 * Fix: update kvm instrumentation for 4.1.50+
807 * Use the memory pool instead of kmalloc
808 * Create a memory pool for temporary tracepoint probes storage
809 * Fix: use proper pid_ns in the process statedump
810 * Fix: add variable quoting to shell scripts
811 * Update: kvm instrumentation for fedora 4.14.13-300
812 * Fix: Add Fedora version macros
813 * Add preemptirq instrumentation
814 * Clean-up: fix stale #endif comments
815 * Command to dump the metadata cache again
816 * Add a new /dev/lttng-logger interface
817 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
818 * Fix: update block instrumentation for SuSE 4.4.114-92
819 * Fix: update rcu instrumentation for v4.16
820 * Fix: update vmscan instrumentation for v4.16
821 * Fix: update timer instrumentation on 4.16 and 4.14-rt
822 * Update kvm instrumentation for debian kernel 4.14.0-3
823 * Fix: network instrumentation protocol enum
824 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
825 * Fix: update block instrumentation for SuSE 4.4.73-5
826 * Fix: global_dirty_limit for kernel v4.2 and up
827 * Fix: network instrumentation handling of corrupted TCP headers
828 * Fix: add missing uaccess.h include from kstrtox.h wrapper
829 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
830 * Fix: btrfs_delayed_ref_head was unwired since v3.12
831 * Update kvm instrumentation for debian kernel 4.9.65-3
832 * Fix: debian kernel version parsing
833 * Fix: block instrumentation 4.14+ NULL pointer dereference
834 * Update: kvm instrumentation for 3.16.52 and 3.2.97
835 * Fix: kvm instrumentation for 4.15
836 * Update sock instrumentation for 4.15
837 * Update kvm instrumentation for 4.15
838 * Fix: ACCESS_ONCE() removed in kernel 4.15
839 * Fix: sched instrumentation on stable RT kernels
840 * timer API transition for kernel 4.15
841 * Fix: Don't nest get online cpus
842 * Fix: lttng_channel_syscall_mask() bool use in bitfield
843 * Fix: update kmem instrumentation for kernel 4.15
844 * Fix: lttng_kvmalloc helper NULL pointer OOPS
845 * Update version to 2.11.0-pre
846 * Fix: lttng-logger get_user_pages_fast error handling
847 * Fix: update block instrumentation for 4.14 kernel
848 * Revert "Fix: update block instrumentation for kernel 4.14"
849 * Fix: version check error in btrfs instrumentation
850 * Fix: update btrfs instrumentation for kernel 4.14
851 * Fix: update writeback instrumentation for kernel 4.14
852 * Fix: update block instrumentation for kernel 4.14
853 * Fix: vmalloc wrapper on kernel < 2.6.38
854 * Fix: vmalloc wrapper on kernel >= 4.12
855 * Add kmalloc failover to vmalloc
856 * Fix: mmap: caches aliased on virtual addresses
857 * Fix: update ext4 instrumentation for kernel 4.13
858 * Fix: Sleeping function called from invalid context
859 * Fix: sched for v4.11.5-rt1
860 * Make vim users life easier
861 * Rename Makefile.ABI.workarounds to Kbuild.common
862 * Fix: handle missing ftrace header on v4.12
863 * Fix: pid tracker should track "pgid"
864 * Cleanup: typo in lttng pid tracker
865 * Fix: Build ftrace probe on kernels prior to 4.12
866 * Fix: update ftrace probe for kernel 4.12
867 * Fix: update block instrumentation for kernel 4.12
868 * Calculate context length outside of retry loop
869 * Fix: Add support for 4.9.27-rt18 kernel
870 * Fix: update btrfs instrumentation for kernel 4.12
871 * Fix: update ringbuffer for kernel 4.12
872 * Fix: update sched instrumentation for kernel 4.12
873 * Fix: ext3 was completely removed from the kernel in v4.3
874 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
875 * Fix: add "flush empty" ioctl for stream intersection
876 * Revert "Fix: flush empty packets on snapshot channel"
877 * Revert "Fix: don't perform extra flush on metadata channel"
878
a7528254
MD		 8792017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
880 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
881 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
882 * Fix: Always build vmscan probe
883 * Cleanup: formatting in strutils_star_glob_match explanation
884 * Fix: introduce LTTNG_SIZE_MAX for older kernels
885 * Use SIZE_MAX instead of -1ULL for size_t parameter
886 * filter: use SIZE_MAX for size_t
887 * Fix: out of bound array access in filter code
888 * Add support for star globbing patterns in event names
889 * Filtering: add support for star-only globbing patterns
890 * Add string utilities
891 * lttng-abi.c: cleanup whitespaces
892 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
893 * Fix: kref changes for kernel 4.11
894 * Fix: atomic_add_unless() returns true/false rather than prior value
895 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
896 * Fix: update scsi instrumentation for kernel 4.11
897 * Fix: changes to the vm_op fault cb prototype in libringbuffer
898 * Fix: update btrfs instrumentation for kernel 4.11
899 * Fix: update mm_vmscan instrumentation for kernel 4.11
900 * Fix: section mismatch warning caused by __exit annotation
901 * socketpair: extend syscall socketpair tracing information
902 * Remove events/mainline unused headers
903 * update event README
904 * Fix: nmi-safe clock on 32-bit systems
905 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
906 * Fix: 4.10 hotplug adaptation backward compat
907 * Fix: 4.10 btrfs instrumentation update backward compat
908 * Update btrfs instrumentation for 4.10 kernel
909 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
910 * btrfs instrumentation: update to 4.10 kernel
911 * timer instrumentation: adapt to ktime_t without union
912 * Add load/unload messages to kernel log
913 * Update version to 2.10.0-pre
914 * Fix: asoc instrumentation for RHEL 7.3
915 * Fix: SCSI instrumentation for SLES12 SP2
916 * Add SUSE Linux Enterprise kernel version tests
917 * Filter code relicensing to MIT license
918 * Add task cpu in process statedump
919 * Performance: add missing unlikely in reserve
920 * Fix: preemptible and migratable context error handling
921 * Fix: bump stable kernel version ranges for clock work-around
922
f8af63a2
MD		 9232016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
924 * Fix: i2c: support kernels < 3.15
925 * Fix: show warning for broken clock work-around
926 * Bump minor ABI version
927 * Fix: work-around upstream Linux timekeeping bug
928 * Add support for i2c tracepoints
929 * Cleanup: makefile version checks with single "ge"
930 * Performance: special-case NULL in lttng_strlen_user_inatomic
931 * Fix: lttng_inline_memcpy does not take a __user argument
932 * Performance: implement lttng_inline_memcpy
933 * Performance: cache the backend pages pointer in context
934 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
935 * Performance: Only dereference commit index once
936 * Performance: Mark channel and buffer event disabled check unlikely
937 * Performance: Relax atomicity constraints for crash handling
938 * Performance: mark ring buffer do_copy callers always inline
939 * Performance: mark lib_ring_buffer_write always inline
940 * Kconfig: select TRACEPOINTS when built-in
941 * Performance: disable event counting by default
942 * Fix: handle large number of pages or subbuffers per buffer
943 * Fix: unregister cpu hotplug notifier on buffer alloc error
944 * Fix: sa_family is of type unsigned short
945 * Fix: check for sizeof sa_family to save sa_family in accept and connect
946 * Fix: use printk_once() for wrapper warning messages
947 * Fix: btrfs instrumentation for 4.8 kernel
948 * Fix: update mm_vmscan instrumentation for kernel 4.8
949 * Fix: napi instrumentation for 4.8 kernels
950 * Fix: update block instrumentation to compile on 4.8 kernels
951 * Cleanup: reuse code in accept() and accept4() instrumentation
952 * Add x86-64 override for accept4 syscall
953 * Fix: timer wrapper: support kernels >= 4.8
954 * Performance: split check deliver fast/slow paths
955 * Fix: x86-64 accept instrumentation
956 * Fix: Add support for 4.6.4-rt8 kernel
957 * Fix: update scsi instrumentation for 4.7+ kernels
958 * Fix: Use fs_initcall instead of rootfs_initcall
959 * Fix: Add kernel configuration for lttng clock plugin
960 * Fix: the clock plugin must be initiated before first use of the clock
961 * Fix: tests/Kbuild for older kernels
962 * Cleanup: __dynamic_len_idx set but not used warning
963 * Cleanup: coding style and comments of net.h
964 * net: Add TCP header data to net_* tracepoints
965 * net: Add IPv4/IPv6 header data to net_* tracepoints
966 * Fix: endianness for the container type of enum
967 * enumeration autoincrement: use if/else logic
968 * Cleanup trailing whitespaces
969 * lttng-test probe: test ctf_enum_auto()
970 * Add ctf_enum_auto() for autoincrementing enumeration values
971 * Implement session statedump command
972 * Fix: annotate bytecode interpreter for kernel stack validator
973 * Update version to 2.9.0-pre
974 * Fix: ring buffer: honor switch parameter type in remote switch
975 * Fix: only flush non-metadata channels
976 * Fix: don't perform extra flush on metadata channel
977 * select, poll and epoll_wait overrides on ARM 32-bit
978 * Fix: flush empty packets on snapshot channel
979 * Fix: do not generate packet at destroy after stop
980 * Fix: compat ioctl for flush/get metadata version
981 * Fix: ctf_string() should handle NULL pointers
982 * Fix: portability: no arith on void pointer
983 * Fix: add missing tests/Kbuild
984 * Test clock override plugin
985 * Fix: add modules target to base Makefile
986 * Fix: make clean does not include dot-config
987 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
988 * Documentation: document that CONFIG_MODULES not required when builtin
989 * Fix: add missing errno include in random wrapper
990 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
991 * Fix: copy_from_user size when limited allocation
992 * Extract the payload of epoll_wait/epoll_pwait
993 * Extract the payload for epoll_ctl
994 * Extract the FDs and flags from poll and ppoll
995 * Extract the FD sets in select and pselect6
996 * Add ctf_integer_bitfield_type
997 * Implement enumeration type
998 * Implement custom field support
999 * Implement variant type
1000 * Implement shadow stack for dynamic len
1001 * libringbuffer: implement event too big API
1002 * Implement structure, compound array/sequence types
1003 * Fix: integer endianness metadata generation
1004 * Fix: endianness of integers received by filter
1005 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
1006 * Fix: RHEL kernel 3.10.0-327.13.1 compat
1007 * Fix: ctf_user_integer should not trigger page fault
1008 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
1009 * Add comment describing ioctl number duplication
1010 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
1011 * Fix: Remove dead code from filter interpreter
1012 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
1013 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
1014 * Fix: use of uninitialized ret value in lttng_abi_create_event
1015 * Fix: kmem instrumentation: remove unused gfpflags.h include
1016 * Fix: 4.6 kernel: use in_compat_syscall
1017 * Fix: use BUG_ON instead of accessing array subscript above array bounds
1018 * Fix: Add granularity to RHEL kernel version checks
1019
0dca9206
MD		 10202016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
1021 * Bump minor tracer ABI version
1022 * Fix: build against out-of-tree kernel build
1023 * probes/Kbuild: remove upper level header path
1024 * Move leftover relative include paths to system paths
1025 * syscall instrumentation: use system headers
1026 * tracepoint event instrumentation: use system headers
1027 * Use system include path in wrappers
1028 * libs: use system include paths
1029 * Use system header paths in core implementation files
1030 * Use system include paths in root directory headers
1031 * Use system include paths in probes
1032 * Update gitignore
1033 * Use system include paths in lttng-types.h
1034 * Use system include paths in lttng-tracepoint-event-impl.h
1035 * Use system include path in probes/define_trace.h
1036 * Use system include paths in probes/lttng-tracepoint-event-impl.h
1037 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
1038 * Add makefile directory to include path
1039 * Fix: event ctx get size should be after chan ctx
1040 * Fix: filter interpreter with userspace strings
1041 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
1042 * Fix: format address fields as hexadecimal
1043 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
1044 * Fix: system call instrumentation overrides
1045 * Fix: page_alloc wrapper incorrect parenthesis
1046 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
1047 * Fix: add struct user_msghdr forward declaration for older kernels
1048 * Cleanup: Remove unused lttng-types module
1049 * Fix: add missing versions and init call for page_alloc wrapper
1050 * Fix: Define lttng-tracer metadata only once
1051 * Fix: Add CONFIG_LTTNG to modules_install target
1052 * Fix: Use kbuild env instead of a custom var KERNELDIR
1053 * Update clock offset comment
1054 * clock offset: print negative value in metadata
1055 * Fix: handle negative clock offset
1056 * Fix: sched instrumentation for 4.1-rt11
1057 * Add RT patch version macros
1058 * Expect filter context identifiers starting with $ctx.
1059 * ARM64: wire up compat system calls
1060 * Add support for arm64 syscalls
1061 * Fix: Ubuntu kernel range for block_rq_complete
1062 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
1063 * Fix: update vmscan instrumentation for kernel 4.5
1064 * Fix: check reference counts for overflow
1065 * Fix: RHEL 7.2 scsi instrumentation
1066 * Fix: RHEL 7.2 kvm instrumentation
1067 * Kconfig: describe both module and in-kernel compilation options
1068 * Add comments and indentation to Makefile
1069 * Add support for built-in kernel build
1070 * Rename sub makefiles to Kbuild
1071 * Cleanup sub makefiles
1072 * Make goals configurable with CONFIG_LTTNG
1073 * Fix: Use generic raw_irqs_disabled_flags
1074 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
1075 * Fix: update sched instrumentation for kernel 4.4.0
1076 * Bump version number for development branch
1077 * Fix: interruptible context: reversed logic
1078 * Contexts for RT debugging
1079 * Fix: instrumentation: v4lv2 missing include
1080 * Fix: header size larger than 256 bytes
1081 * Instrument x86 page faults
1082 * Fix: irq_vectors TRACE_SYSTEM name
1083 * Instrument x86_irq_vectors
1084 * Fix: tracepoint listing misses last loaded probe
1085 * Fix: lttng trace-clock needs to disable preemption
1086 * Tracepoint event: add "TP_code_post()"
1087 * Implement array and sequence bitfields
1088 * Fix: kmem: add mm.h include
1089 * Add page frame number (pfn) to kmem page events
1090 * Use pfn rather than struct page in ring buffer array
1091 * Implement clock plugin support
1092 * Command to regenerate the metadata of a session
1093 * Fix: writeback instrumentation update for 4.3 Linux kernel
1094 * Fix: update sched wakeup instrumentation for 4.3 kernel
1095 * Fix: lttng-test build failure for kernels < 3.0
1096 * Use 3.18 syscall instrumentation for MIPS32
1097 * Update the MIPS32 syscall instrumentation to 3.18
1098 * Fix: Move pipe override to the arch specific pointers_override.h
1099 * Implement lttng test module
1100 * Cleanup: remove logically dead code
1101 * Fix: filter validator use after free
1102 * Fix: use after free in channel release
1103 * Fix: non-enabler events should be disabled by default
1104 * Fix: build failure on 2.6.36
1105 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
1106 * Fix: writeback instrumentation for 4.2 kernels
1107 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
1108 * Add stream instance id to the packet header
1109 * Add a packet sequence number
1110 * Fix: kmem probe with Ubuntu 3.13 kernels
1111 * Fix: disable kvm probe if lapic.h isn't found
1112 * Fix: timer instrumentation for 4.2 kernels
1113 * Fix: ext4 instrumentation for 4.2 kernels
1114 * Fix: kvm instrumentation for 4.2 kernels
1115 * Fix: allow LTTng to be built within kernel tree
1116
11172015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD		 1118 * Fix: Building the event list fails on fragmented memory
1119 * Fix: use after free on metadata cache reallocation
1120 * Fix: version checks for kernel 4.0
1121 * Fix: Incorrect Ubuntu kernel patchlevel
1122 * Fix: cpu-id context should use int type
1123 * Implement cpu-id context
1124 * Implement cpu_id context for filtering
1125 * Fix: context printk mismatch on error
1126 * Cleanup: misleading comment about deferrable timer
1127 * Fix: arm-32 build
1128 * Fix: Update kmem event for Ubuntu's 3.16 kernel
1129 * Fix: RHEL 7.1 block instrumentation
1130 * Fix: add RHEL version macros
1131 * Fix: add missing parenthesis in ubuntu version check
1132 * Fix: remove regmap instrumentation for kernels < 4.1
1133 * Fix: Update kmem event for recent Ubuntu kernel
1134 * Fix: missing statedump end event when block device listing available
1135 * Fix: don't generate incorrect macros for debian/ubuntu version check
1136 * Revert "Fix: build against Ubuntu kernels"
1137 * Fix: build against Ubuntu kernels
1138 * Add namespace info in sched_fork and statedump
1139 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
1140 * Fix: printk instrumentation: remove "condition" tracepoints
1141 * Fix: regmap build against kernel 4.0 kernel headers
1142 * Add mmu_valid_gen field to mmutrace events
1143 * Fix: add missing x86 mmutrace kernel header include
1144 * Fix: x86 mmutrace event extra field for kernels >= 3.11
1145 * Fix: remove execute flag from kvm.h file
1146 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
1147 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
1148 * Fix: 4.1-rc1 Linux build and regmap instrumentation
1149 * Fix: don't clash with older Debian kernel versions
1150 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
1151 * Fix: discover Debian API
1152 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
1153 * Fix: atomic.h wrapper for kernels < 2.6.37
1154 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
1155 * Fix: add missing types.h include for older kernels
1156 * Fix: add hlist lttng wrappers
1157 * Fix: add struct file_handle forward declaration
1158 * Fix: string length calculation reversed user vs kernel args
1159 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
1160 * Fix: add lttng rcu wrapper to allow tracing RCU
1161 * Fix: double-unlock of session mutex
1162 * Fix: check that class and instance prototype match
1163 * Fix: lttng-events.h check function takes void
1164 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
1165 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
1166 * Fix: Include utsrelease.h in lttng-kernel-version.h
1167 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
1168 * Fix: old kernels need module.h included before vermagic.h
1169 * Fix: net instrumentation for kernels 2.6.39 and below
1170 * Fix: version condition in makefile
1171 * Implement wrapper around get_pfnblock_flags_mask
1172 * Be more restrictive in provider name check
1173 * Fix: net instrumentation namespacing
1174 * Fix: compaction instrumentation namespacing
1175 * Fix: Support 4.x kernel versions in Makefile
1176 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
1177 * Fix: add missing module.h include to lttng-probe-user.c
1178 * Fix: use lttng hlist wrapper in wildcard and filter
1179 * Fix: namespace asoc and kmem instrumentation
1180 * Fix: update instrumentation after wildcard rebase
1181 * Fix: lttng_abi_syscall_list does not need to be exported
1182 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
1183 * Remove now unused syscalls.h from lttng-modules
1184 * Filter: start with enabler "disabled"
1185 * Fix coverity warning about sizeof(void **) != sizeof(void *)
1186 * Fix length type and text sequence base
1187 * Fix: TP_FIELDS: add missing headers
1188 * Migrate syscall instrumentation to TP_FIELDS
1189 * Migrate tracepoint instrumentation to TP_FIELDS
1190 * Implement filtering infrastructure
1191 * syscall wildcards: apply syscall filtering
1192 * Implement syscall wildcard support
1193 * Implement tracepoint wildcard support
1194 * Namespace all tracepoints
1195 * Implement list.h wrapper for hlist in older kernels
1196 * Implement listing of pid tracker content
1197 * Implement PID tracking
1198 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
1199 * Fix: update writeback instrumentation for kernel 4.0+
1200 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
1201 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
1202 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
1203 * Fix: missing parenthesis in offset_align_floor
1204 * Fix: implement time.h wrapper for FD_ISSET
1205 * Fix: update sched instrumentation for 3.19+ kernels
1206 * Fix: update rcu instrumentation for 3.19+ kernels
1207 * Fix: update scsi instrumentation for 3.19+ kernels
1208 * Fix: update module instrumentation for 3.19+ kernels
1209 * Fix: Add f_dentry wrapper for 3.19+ kernels
1210 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
1211 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
1212 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
1213 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
1214 * Conditional compilation introduced by lttng-modules commit
1215 * Fix: compaction instrumentation update for 3.14.x stable kernels
1216 * Fix: context alignment not properly handled
1217 * Fix compilation on Linux kernel >= 3.18.0
1218 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
1219
af991434
MD		 12202014-10-20 LTTng modules 2.6.0-rc1
1221 * Expose lttng-modules ABI version ioctl
1222 * Fix: syscall list ioctl number conflict
1223 * lttng-modules: fix build for non-x86
1224 * Fix: syscall listing of session
1225 * Print build warning when writeback probe is disabled
1226 * Add atomic.h wrapper for before/after atomic
1227 * Fix compilation on Ubuntu 14.10
1228 * Fix: export name as text array in writeback
1229 * Cleanup: remove unused trace_clock_read32()
1230 * Use 3.17 ktime_get_mono_fast_ns() new API
1231 * Check for stale version.h files
1232 * Fix: compile lttng_statedump_process_ns on Ubuntu
1233 * Reverse version check logic in lttng_statedump_process_ns
1234 * Fix block_rq_complete TP on Ubuntu kernel
1235 * Introduce macros to check Ubuntu kernel version
1236 * Sync writeback tracepoints from mainline
1237 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
1238 * Fix: hander negative get_syscall_nr return value
1239 * Fix: statedump: close_on_exec flag backward compat
1240 * Fix instrumentation of vmscan for older kernels
1241 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
1242 * Fix: syscall listing: handle "enable all syscall"
1243 * Fix: don't allow disabling syscalls when none are enabled
1244 * Fix: syscall: fail disable all if all already disabled
1245 * Fix: syscall filtering: NULL pointer deref
1246 * Cleanup: list syscall without syscall_entry prefix
1247 * Fix: syscall_list_show NULL pointer deref
1248 * implement syscall mask getter
1249 * Cleanup: lttng-abi.h coding style
1250 * syscall listing: show syscall ID
1251 * Allow events with same name to be enabled for each channel
1252 * ABI: use enable a syscall ABI field name
1253 * Implement syscall listing
1254 * Fix: tracepoint list anonymous file name
1255 * Fix: syscall filtering: disable all syscalls
1256 * syscall tracing: input/output parameter handling for all arch
1257 * lttng-get-syscall-inout.sh depends on bash
1258 * Fix generate syscall header script: add missing escape char
1259 * syscall instrumentation: handle copy_from_user return value
1260 * Rename LTTng syscall instrumentation macros
1261 * Rename LTTng instrumentation macros
1262 * Extract input/output arguments from accept and connect syscalls
1263 * syscall: extract pipe and pipe2 output args
1264 * Remove sys_ prefix from syscall names
1265 * System call inout/output arg processing
1266 * Update syscall inout table
1267 * Add syscall inout table
1268 * Extract syscall exit ret value on x86 32/64
1269 * Extract system call exit return value
1270 * Syscall filtering: apply to syscall exit
1271 * System call filtering
1272 * asoc.h: fix build with v3.17 kernel
1273 * Fix: lttng-modules teardown NULL pointer OOPS
1274 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
1275 * Modernize README using Markdown
1276 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
1277 * Add cscope to gitignore
1278 * Update kvm instrumentation: compile on 3.17-rc1
1279 * Update statedump to 3.17 nsproxy locking
1280 * Fix: noargs probes should calculate alignment and event length
1281 * Update compaction instrumentation to 3.16 kernel
1282 * Update vmscan instrumentation to 3.16 kernel
1283
789fd1d0
MD		 12842014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
1285 * (no change)
1286
37cbcd7c
MD		 12872014-06-27 LTTng modules 2.5.0-rc2
1288 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
1289 * Fix: statedump handle oom case, handle errors
1290 * Fix: correct typo in kernel version number
1291 * Fix: blktrace instrumentation for backported branches
1292 * Fix: statedump block devices OOPS
1293
0d979364
MD		 12942014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
1295 * Add TID field to some block_* events
1296 * Fix: refuse overwrite mode buffers with less than two subbuffers
1297 * Fix: lttng modules system call generation script
1298 * Dump FD flags and mode on state dump
1299 * Fix: incorrect rwbs field type in block_bio_queue
1300 * Fix: blktrace instrumentation for v3.2.58+ stable branch
1301 * Fix: pass proper args when writing commit counter
1302 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
1303 * Fix: allow racy tracepoint string input from kernel and userspace
1304 * Statedump event for block devices
1305 * Fix: update v4l2 instrumentation to 3.15 kernel
1306 * Fix: ext4 update instrumentation to 3.15 kernel
1307 * Fix: update block instrumentation to 3.15 kernel
1308 * Fix: module instrumentation: update to 3.15 kernel
1309 * Adapt to 3.15 tracepoint API
1310 * Kernel 3.15 don't define map unmap for pipe
1311 * Fix: add missing module version in v4l2 probe
1312 * Add V4L2 instrumentation
1313 * Fix: rcu instrumentation: add const qualifier to char pointers
1314 * Fix: add missing module version information
1315 * Use kernel 3.13 syscall tables for MIPS32
1316 * Add MIPS32 syscalls extracted from a 3.13 kernel
1317 * Fix: block instrumentation: < 3.14 don't have bi_iter
1318 * Fix: update btrfs instrumentation to kernel 3.14
1319 * Fix: update block layer instrumentation to kernel 3.14
1320 * Fix: remove __exit annotation
1321 * Fix file permissions for lttng-statedump-impl.c
1322 * LTTng logger ABI
1323
fb2c3779
MD		 13242014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
1325 * Fix: load state dump even if work-around lookup fails
1326 * Cleanup: fix comment
1327 * Fix: correctly version kvm events to build against v3.0 kernel
1328 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
1329
4be86211
MD		 13302014-02-14 LTTng modules 2.4.0-rc4
1331 * Fix: use after free in ring buffer clients
1332 * Fix: Add statedump exit so module is not permanent
1333 * Cleanup: move callback init to static initialization
1334 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
1335
00808267
MD		 13362014-01-29 LTTng modules 2.4.0-rc3
1337 * Fix: tracepoint event name mapping at unregister
1338 * Fix: tracepoint name remapping
1339 * Fix: enable event error path memory corruption
1340 * Update kvm instrumentation to Linux 3.13
1341 * Update sched instrumentation to Linux 3.13
1342 * Fix: provide more precise error report for enable event
1343 * Fix: quote event name in metadata
1344 * Add version info to lttng-tracer.ko modinfo
1345
0aa12233
MD		 13462013-12-10 LTTng modules 2.4.0-rc2
1347 * Fix: client_packet_header() uses wrong packet
1348 * Cleanup: fix typo in ring buffer backend comment
1349 * Fix: handle unknown event type parameter
1350 * Fix: eliminate timestamp overlap between packets
1351 * gcc blacklist: only apply when building with gcc
1352 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
1353
223ca7c5
MD		 13542013-11-15 LTTng modules 2.4.0-rc1
1355 * Update ext4 instrumentation to Linux 3.12
1356 * Update RCU instrumentation to Linux 3.12
1357 * Update btrfs instrumentation to 3.12 kernel
1358 * Update vmscan instrumentation to Linux 3.12
1359 * update: kmem instrumentation 3.12 kernel support
1360 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
1361 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
1362 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
1363 * Add new tracepoint in KVM
1364 * Blacklist kernels 3.10.13 and 3.11.2
1365 * LTTng trace-clock: shrink kernel blacklist
1366 * Metadata flush writes data from the cache
1367 * Per-stream ioctl to get the current timestamp
1368 * LTTng ringbuffer ABI calls for index generation
1369 * Prepare LTTng override of ring buffer fops
1370 * Blacklist Linux kernels 3.10+
1371
78c8710b
MD		 13722013-09-03 LTTng modules 2.3.0
1373 * Fix: metadata stream should not reference session
1374 * Fix: btrfs: support 3.11 Linux kernel
1375 * statedump: remove KERN_DEBUG messages
1376 * Fix: ext4: add missing tracepoints for 3.11 kernel
1377 * Fix: ext4: Linux 3.11 support
1378 * Fix: ext3: 3.11 Linux support
1379 * Fix: statedump nsproxy 3.11 Linux support
1380
cf7ae3e6
MD		 13812013-08-30 LTTng modules 2.3.0-rc2
1382 * Fix: metadata lttng channel refcount
1383 * README: lttng-modules incompatible with lttng 0.x patchset
1384
54207845
MD		 13852013-07-17 LTTng modules 2.3.0-rc1
1386 * Fix: kvm x86 probes side-effect
1387 * Fix: allow get/put subbuf in loop for metadata stream
1388 * Add support for kvm x86 specific tracepoints
1389 * Add mainline headers for kvm x86 tracepoints
1390 * Remove old 3.0.4 x86-64 extracted syscall info
1391 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
1392 * Add syscalls extracted files from a 3.10-rc7 kernel
1393 * Improve documentation of the syscall extractor script
1394 * Fix: double length of __dynamic_len array
1395 * Fix printk instrumentation
1396 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
1397 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
1398 * Fix: SWITCH_FLUSH new sub-buffer checks
1399 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
1400 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
1401 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
1402 * Fix: handle writes of length 0
1403 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
1404 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
1405 * print warning and return -EBUSY on double get_subbuf()
1406 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
1407 * Fix: don't do 0 byte event reservation
1408 * Document that payload size need to be greater than 0
1409 * Fix build and load against linux-2.6.33.x
1410 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
1411 * Metadata cache and multiple metadata channels
1412 * fix block instrumentation probe signature mismatch for 3.9.x kernels
1413 * fix: block instrumentation: NULL pointer dereference
1414 * Update rcu instrumentation to 3.9.[0-4]
1415 * Fix CPU hotplug section mismatches
1416 * Add system calls definitions for powerpc-32
1417 * Remove bashism in lttng-syscalls-generate-headers.sh
1418 * Update ARM (32 bit) syscall tracepoints to 3.4
1419
88c5f61b
MD		 14202013-05-09 LTTng modules 2.2.0-rc2
1421 * Remove useless lttng_metadata probe
1422 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
1423 * Fix: 3.9.0 block layer instrumentation build
1424 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
1425 * Stop build if CONFIG_TRACEPOINTS is not set
1426 * Add comments to endifs.
1427 * Fix: remove ARM set_tls system call override
1428 * Cleanup: arm sys_mmap whitespace
1429 * Clean up using global_dirty_limit wrapper for writeback probe
1430
78062c79
MD		 14312013-03-29 LTTng modules 2.2.0-rc1
1432 * Update README
1433 * Fix: vmscan instrumentation build
1434 * writeback instrumentation: remove duplicated structures
1435 * block: update instrumentation to 3.9 rc kernel
1436 * rcu: update to 3.9 rc kernel instrumentation
1437 * workqueue instrumentation: remove duplicated structures
1438 * Rename odd event names
1439 * Introduce API to remap event names exposed by LTTng
1440 * lttng-module: sched.h: Fix compilation on 3.9 kernel
1441 * Fix Linux 3.8 btrfs probe warning
1442 * Fix Linux 3.8 ext4 probe support
1443 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
1444 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
1445 * instrumentation sched: add missing fork pid info
1446 * Fix check in lttng_strlen_user_inatomic
1447 * instrumentation: sync with Linux commit a1ce392
1448 * Fix: statedump: missing locking, use lttng_iterate_fd
1449 * Implement lttng_iterate_fd wrapper
1450 * Instrumentation cleanup: kmem events should print hex pointers
1451 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
1452 * Fix: statedump hang/too early completion due to logic error
1453 * Fix: statedump hang due to incorrect wait/wakeup use
1454 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
1455 * wrapper/perf.h: Fix kernel version condition
1456 * Add new kernel probes instrumentation
1457 * Update kernel probes to more detailed match to kernel versions
1458 * Fix possible kernel build errors with linux-patches
1459 * Add missing MIT license text to 3 files under this license
1460 * Update sites using kernel version checking macro to new range
1461 * Make upper bound of kernel version checking macro exclusive
1462 * sock instrumentation: fix fields to get referenced values
1463 * ext3 instrumentation: fix of assignment code conversion
1464 * sched instrumentation: rename "pid" fields in sched_process_exec
1465 * Remove remaining semicolons in TP_fast_assign blocks
1466 * Fix compilation for 3.0 kernels that are named 2.6.40
1467 * Fix compilation for 3.0 branch (>= 3.0.39)
1468 * Add kernel version checking macro
1469 * Remove semicolons in TP_fast_assign blocks
1470 * Add ifdefs to net probe to support Linux 2.6.39
1471 * Add kernel probes for supplementary subsystems
1472 * Check if interrupt action name is not null in statedump
1473 * Fix exec instrumentation: only for kernels 3.4.0 and higher
1474 * Add TRACE_EVENT(sched_process_exec) to sched.h
1475 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
1476 * Fix warning with 3.6.0 kernel
1477 * ABI with support for compat 32/64 bits
1478 * Perform calculation on bit size in 64-bit
1479 * Use uint64_t for packet header content size and packet size
1480 * Fix: compat layer only on supported architectures
1481 * Fix ring buffer 32/64 bits compat
1482 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
1483 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
1484 * Fix: statedump missing check for NULL namespace
1485
7cb1d0ee
MD		 14862012-09-10 LTTng modules 2.1.0-rc1
1487 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
1488 * Support for linux kernels 2.6.32 through 2.6.37
1489 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
1490 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
1491 * Add env hostname information
1492 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
1493 * lttng_statedump_process_state for each PID NS
1494 * Support the hostname context
1495 * Fix: statedump namespaced pid, tid and ppid
1496 * Fix: statedump: disable vm maps enumeration
1497 * Fix: ensure userspace accesses are done with _inatomic
1498 * Fix: vppid context should test for current nsproxy
1499 * Add MIPS system call support
1500 * Change mode of lttng-syscalls-generate-headers.sh to 755
1501 * cleanup: fix typo in syscall instrumentation header
1502 * Cleanup: remove trailing whitespace in README
1503 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
1504 * LTTng: probe-statedump: add #include <linux/sched.h>
1505 * fix: signal_generate event should print utf8 for comm field
1506 * Makes write operation a parameter for tp_memcpy macro
1507 * Add coding style document
1508 * Update instrumentation/events README file
1509 * Add makefile target for preprocessor
1510 * Fix: free_event_id check should compare unsigned int with -1U
1511 * Use unsigned long type for events discarded counter
1512 * Fix: update signal instrumentation for 3.4 kernel
1513 * LTTng Modules ARM syscall instrumentation
1514 * Fix: generate header missing echo -e for escape chars
1515 * Fix: add missing uaccess.h include (for ARM)
1516 * README: Document that CONFIG_MODULES is required
1517 * Fix: README typo
1518 * Fix: document required and optional kernel config options in README
1519
d2a9270f
MD		 15202012-03-29 LTTng modules 2.0.1
1521 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
1522
15232012-03-20 LTTng modules 2.0.0
730e5783
MD		 1524 * First STABLE version
1525 * Add version name
1526
63be4822
MD		 15272012-03-20 LTTng modules 2.0.0-rc4
1528 * Update README and add version name place-holder
1529
1bca821c
MD		 15302012-03-16 LTTng modules 2.0.0-rc3
1531 * Fix clock offset 32-bit multiplication overflow
1532 * Fix : wrong assign of fd in state dump
1533 * License cleanup, ifdef namespace cleanup
1534 * Fix: ensure power of 2 check handles 64-bit size_t entirely
1535
4d1704b6
MD		 15362012-03-02 LTTng modules 2.0.0-rc2
1537 * Fix: dmesg printout should not print metadata warnings
1538 * Fix: use transport name as channel name
1539 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
1540
f66cbcc8
MD		 15412012-02-20 LTTng modules 2.0.0-rc1
1542 * Standardize version across toolchain
1543 * statedump: Use old macro name for kernel 2.6.38
1544
2646f1db
MD		 15452012-02-16 LTTng modules 2.0-pre15
1546 * Add timer instrumentation
1547 * fix: need to undef mainline define
1548 * fix: Include signal.h instead of irq.h for prototype match check
1549 * Add signal instrumentation
1550
3e8b3fb8
MD		 15512012-02-16 LTTng modules 2.0-pre14
1552 * syscall tracing: sys_getcpu
1553 * Add sys_clone x86 instrumentation
1554 * statedump: fix include circular dep
1555 * Implement state dump
1556
ed5a7a8f
MD		 15572012-02-09 LTTng modules 2.0-pre13
1558 * Update README
1559 * environment: write sysname, release, version, domain to metadata
1560 * Allow open /proc/lttng for read & write
1561
497051bd
MD		 15622012-02-02 LTTng modules 2.0-pre12
1563 * Add x86 32/64 execve syscall instrumentation override
1564 * Remove unused defines
1565 * Add padding to ABI
1566 * Use LTTNG_KERNEL_SYM_NAME_LEN
1567 * Update version to 1.9.9
1568 * Add missing double-quotes to clock uuid
1569 * clock: read bootid as clock monotonic ID
1570 * Fix comment
1571 * Cleanup comment
1572 * clock: output clock description in metadata
1573 * Properly fix the timekeeping overflow detection
1574 * Fix init bug
1575 * rename lib-ring-buffer to lttng-lib-ring-buffer
1576 * Remove #warning
1577 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
1578 * Update TODO
1579 * Update TODO
1580 * Remove debugfs file (keep only proc file)
1581 * Rename lttng-debugfs-abi files to lttng-abi
1582
4d3e89e3
MD		 15832011-12-13 LTTng modules 2.0-pre11
1584 * Fix OOPS caused by reference of config pointer
1585 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
1586 * lttng lib: ring buffer move null pointer check to open
1587 * lttng lib: ring buffer remove duplicate null pointer
1588 * lttng lib: ring buffer: remove stale null-pointer
1589 * lttng wrapper: add missing include to kallsyms wrapper
1590 * lttng: cleanup one-bit signed bitfields
1591 * Add TODO file
1592 * Update symbol name length max size to 256
1593 * Fix last modifications to string_from_user operations
1594 * Document that depmod needs to be executed by hand
1595 * Fix strlen_user fault space reservation
1596 * Fix tp_copy_string_from_user handling of faults
1597 * Disable block layer tracing support for kernels < 2.6.38
1598 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
1599 * Update trace clock warning to match the current development plan
1600 * ringbuffer: make ring buffer printk less verbose
1601 * Makefile: do not run depmod manually
1602
e2222c2e
MD		 16032011-09-30 LTTng modules 2.0-pre10
1604 * x86-32: override sys_mmap syscall instrumentation
1605 * Fix cast warning
1606
bfb508ed
MD		 16072011-09-29 LTTng modules 2.0-pre9
1608 * x86 32 syscalls: fix !CONFIG_UID16
1609 * Use __string_from_user
1610 * Add __string_from_user
1611 * Rename "comm" context to "procname"
1612 * Fetch "type" name field for mount syscall
1613 * Create common override file for all architectures
1614 * Shrink stack size usage
1615 * Cleanup: remove unused lttng-compat-syscalls.c file
1616 * Support detailed compat syscalls on x86_64
1617 * Fix syscall table
1618 * Add disabled compat syscalls detail (work in progress)
1619 * Add config compat support for detailed x86_32 syscalls
1620 * Handle newer 3.1+ perf API
1621 * Add dummy x86-32 override headers
1622 * Bind x86-32 syscall headers
1623 * Add x86-32 syscall headers
1624 * Add check for KALLSYMS_ALL in syscall extraction script
1625 * Automate string extraction for syscalls
1626 * Automate syscall filename/pathname extraction
1627 * Add exit to ring_buffer_frontend so module is unloadable
1628 * Add sys_open filename (x86_64)
1629 * Add missing memcpy callback
1630 * copy_from_user and memset
1631 * Add missing alignment after header write
1632 * lib ring buffer: add frontend init as module_init
1633 * lib ring buffer frontend: add missing lock initialization
1634 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
1635 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
1636 * Create override for sys_mmap
1637 * Rename syscalls -> syscall in LTTng ABI
1638 * Use different event name for compat syscalls
1639 * Allow trace syscall table override
1640 * Add dummy override files
1641 * syscall detail: add override capability
1642 * Add pointer pretty-print heuristics
1643 * Add __field_hex
1644 * Rename sys exit errno into ret
1645 * Enable detailed syscalls only for native x86_64
1646 * Use "unknown" for compat syscalls
1647 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
1648 * Fix syscall exit
1649 * Fix sys exit
1650 * Only enable detailed syscalls for x86_64 for now
1651 * Merge unknown syscall method with extended detail method
1652 * Add underscore prefix before event names
1653 * Add syscalls pointers detailed syscall tracing
1654 * Use perl for regexp
1655 * Support generation of syscall probes for those with pointers
1656 * Support detailed syscalls with 0 arguments
1657 * detailed syscall tracing (work in progress)
1658 * Expose /proc/lttng file
1659 * Implement detailed syscall event probe
1660 * Disable perf build for < 2.6.33 kernels
1661 * Syscall detail mode: generate syscall table
1662 * block instrumentation: write cmd as hex sequence
1663 * lttng-events TRACE_EVENT generator cleanup
1664 * block layer instrumentation: fix cmd field
1665 * Remove 0 args syscalls for now from type-aware syscall cb generator
1666 * Generate trace syscall table macros
1667 * Put syscall tracing without arg types back in place
1668 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
1669 * lttng events probes: don't clash with "ctx" variable name
1670 * lib ring buffer must take private pointer copy before decrementing refcount
1671
47655e60
MD		 16722011-08-16 LTTng modules 2.0-pre8
1673 * Fix metadata buffer wait/wakeup
1674
99a93317
MD		 16752011-08-12 LTTng modules 2.0-pre7
1676 * Add missing module refcount to lttng_tracepoint_list_fops
1677 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
LTTng 2.0/0.x modules
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