Version 2.11.8
[lttng-modules.git] / ChangeLog
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10e44b65
MD
12021-02-17 (Random Act of Kindness Day) LTTng modules 2.11.8
2 * fix: Adjust ranges for Ubuntu 5.8.0-44 kernel
3 * Fix: do not use bdi_unknown_name symbol
4 * fix: memcg: fix a crash in wb_workfn when a device disappears (5.6)
5 * Fix: writeback: out-of-bound reads
6 * fix: Add one digit to RHEL major release version
7 * fix: Add one digit to SLES minor release version
8 * fix: RT_PATCH_VERSION is close to overflow
9 * fix: cast LTTNG_KERNEL_VERSION/LTTNG_LINUX_VERSION_CODE to uint64_t
10 * fix: UTS_UBUNTU_RELEASE_ABI is close to overflow
11 * fix: sublevel version overflow in LINUX_VERSION_CODE
12 * Namespace kernel version macros
13 * aarch64: blacklist gcc prior to 5.1
14 * fix: missing include for 'task_struct' in fdtable.h
15 * fix: genirq: Restrict export of irq_to_desc() (v5.11)
16 * fix: block: merge struct block_device and struct hd_struct (v5.11)
17 * fix: kprobes: Remove kretprobe hash (v5.11)
18 * fix: file: Rename fcheck lookup_fd_rcu (v5.11)
19 * fix: block: remove the request_queue argument to the block_bio_remap tracepoint (v5.11)
20 * fix: block: remove the request_queue argument to the block_split tracepoint (v5.11)
21 * fix: block: simplify and extend the block_bio_merge tracepoint class (v5.11)
22 * fix: block: remove the request_queue to argument request based tracepoints (v5.11)
23
4ce0c5d2
MD
242021-01-11 (National Clean Off Your Desk Day) LTTng modules 2.11.7
25 * fix: adjust version range for trace_find_free_extent()
26 * fix: backport of fix: tracepoint: Optimize using static_call() (v5.10)
27 * Revert "fix: include order for older kernels"
28 * fix: backport of fix: ext4: fast commit recovery path (v5.10)
29 * Improve the release script
30 * Add release maintainer script
31 * fix: include order for older kernels
32 * fix: tracepoint: Optimize using static_call() (v5.10)
33 * fix: KVM: x86/mmu: Return unique RET_PF_* values if the fault was fixed (v5.10)
34 * fix: kvm: x86/mmu: Add TDP MMU PF handler (v5.10)
35 * fix: KVM: x86: Add intr/vectoring info and error code to kvm_exit tracepoint (v5.10)
36 * fix: ext4: fast commit recovery path (v5.10)
37 * fix: btrfs: make ordered extent tracepoint take btrfs_inode (v5.10)
38 * fix: btrfs: tracepoints: output proper root owner for trace_find_free_extent() (v5.10)
39 * fix: objtool: Rename frame.h -> objtool.h (v5.10)
40 * fix: strncpy equals destination size warning
41
3b36513e
MD
422020-10-05 (National Get Funky Day) LTTng modules 2.11.6
43 * Cleanup: lttng-syscalls: silence warning about uninitialized bitmap variable
44 * fix: backport 'Add 'kernel_read' wrapper for kernels < v4.14'
45 * Add 'kernel_read' wrapper for kernels < v4.14
46 * fix: Use 'kernel_read' to read from procfs
47 * fix: don't allow userspace copy to read kernel memory
48 * fix: Add a 1MB limit to lttng_strlen_user_inatomic
49 * fix: Adjust ranges for Ubuntu 4.15.0-119 kernel
50 * fix: Adjust ranges for Ubuntu HWE 5.0 kernels
51 * Fix: system call filter table
52 * fix: version ranges for ext4_discard_preallocations and writeback_queue_io
53 * fix: writeback: Fix sync livelock due to b_dirty_time processing (v5.9)
54 * fix: writeback: Drop I_DIRTY_TIME_EXPIRE (v5.9)
55 * fix: removal of [smp_]read_barrier_depends (v5.9)
56 * fix: ext4: indicate via a block bitmap read is prefetched… (v5.9)
57 * fix: ext4: limit the length of per-inode prealloc list (v5.9)
58 * fix: KVM: x86/mmu: Make kvm_mmu_page definition and accessor internal-only (v5.9)
59 * fix: Move mmutrace.h into the mmu/ sub-directory (v5.9)
60 * Kconfig: fix dependency issue when building in-tree without CONFIG_FTRACE
61
c3cd2096
MD
622020-08-04 (National Chocolate Chip Cookie Day) LTTng modules 2.11.5
63 * fix: no __lttng_vmalloc_node_range() prior to v2.6.38
64 * Fix: Lock metadata cache on session destroy
65 * Fix: metadata stream leak, missing list removal and locking
66 * Fix: coherent state not changed atomically with metadata written
67 * fix: include module.h for EXPORT_SYMBOL_GPL
68 * fix: __lttng_vmalloc_node_range const caller introduced in v3.6
69 * fix: version range for overflow_callback
70 * fix: global_dirty_limit was introduced in v3.1
71 * fix: wrapper_uprobe_unregister is a void function
72 * fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
73 * fix: vmalloc on v5.8 without KALLSYMS
74 * Detect missing symbols used with kallsyms_lookup at compile time
75 * Use exported symbol bdevname() instead of disk_name()
76 * Add git-review config
77 * fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
78 * fix: backport of block_bio_complete for <= v2.6.38
79 * fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
80 * fix: block: remove the error argument to the block_bio_complete (v5.8)
81 * fix: pipe_buf_operations rework (v5.8)
82
73ee0075
MD
832020-06-02 (National Leave the Office Early Day (or Simply Stay Home ?) LTTng modules 2.11.4
84 * Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
85 * fix: vmalloc_sync_mappings was backported to v5.5.12
86 * Update: Additional kernel ranges for vmalloc_sync_mappings
87 * Update: Use vmalloc_sync_mappings for stable kernels
88 * Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
89 * fix: add missing guid_t type to wrapper
90 * Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
91 * Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
92 * Unbreak LTTng for kernel 5.7
93 * Move lttng wrappers into own module
94 * Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
95 * Drop uuid.h wrapper
96 * instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
97 * instrumentation: update mm_vmscan for kernel >= 5.7.0
98
c43a7f87
MD
992020-04-08 (The Day After National Beer Day) LTTng modules 2.11.3
100 * fix: uaccess wrapper for CentOS >= 4.18.0-147
101 * fix: ext4 instrumentation for CentOS >= 4.18.0-147
102 * fix: signal instrumentation for CentOS >= 4.18.0-147
103 * fix: kvm instrumentation for CentOS >= 4.18.0-147
104 * fix: rcu instrumentation for CentOS >= 4.18.0-80
105 * Fix: update kvm instrumentation for Ubuntu 5.3.0-45
106 * Fix: update kvm instrumentation for Ubuntu 5.3.0-43
107 * Fix: update kvm instrumentation for Ubuntu 4.15.0-92
108 * Remove lttng-ftrace integration
109 * Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
110 * Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
111 * Remove work-around for signed tracepoint module tainting (kernel 3.15+)
112
17c41395
MD
1132020-02-25 (National Chocolate Covered Nut Day) LTTng modules 2.11.2
114 * Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
115 * fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
116 * fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
117 * fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
118 * fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
119 * fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
120 * fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
121 * fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
122 * fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
123 * fix: use timespec64 on kernels that have it
124 * fix: move lttng_close_on_exec to proper wrapper
125 * fix: 'struct timex' removed upstream (v5.6)
126 * Fix: statedump: check task_active_pid_ns return value for NULL
127 * Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
128
a6dab86b
MD
1292020-01-29 (National Puzzle Day) LTTng modules 2.11.1
130 * fix: function prototype in wrapper/mm.h
131 * sunrpc: introduce lttng_get_clid helper
132 * Fix: sunrpc: use signed integer for client id
133 * Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
134 * Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
135 * fix: ext4: Reserve revoke credits for freed blocks (v5.5)
136 * fix: btrfs: tracepoints: constify all pointers (v5.5)
137 * fix: btrfs block group struct refactor (v5.5)
138 * fix: y2038: itimer: change implementation to timespec64 (v5.5)
139 * Update .gitignore from upstream
140 * Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
141
78f20682
MD
1422019-10-17 (Wear Something Gaudy Day) LTTng modules 2.11.0
143 * (no change)
144
18466566
MD
1452019-10-11 (National Sausage Pizza Day) LTTng modules 2.11.0-rc7
146 * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
147 * Cleanup: Silence gcc fall-through warning
148 * Fix: update sched prev_state instrumentation for upstream kernel
149
439f29a4
MD
1502019-09-07 (Walter White's Anniversary) LTTng modules 2.11.0-rc6
151 * Fix: gcc-9.1 stack frame size warning
152 * Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
153 * Add metadata env fields
154 * Introduce LTTNG_KERNEL_SESSION_SET_NAME
155 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
156 * Fix: missing define when not building with gcc
157 * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
158
a1f73fea
MD
1592019-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.11.0-rc5
160 * Fix: Don't print ring-buffer's records count when it is not used
161 * Fix: do not set quiescent state on channel destroy
162 * Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
163 * Introduce callstack stackwalk implementation header
164 * Prepare callstack common code for stackwalk
165 * Introduce callstack legacy implementation header
166 * fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
167 * fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
168 * fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
169 * fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
170 * fix: timer/trace: Improve timer tracing (v5.2)
171 * Cleanup: bitfields: streamline use of underscores
172 * Silence compiler "always false comparison" warning
173 * Fix: bitfield: shift undefined/implementation defined behaviors
174 * Fix: timestamp_end field should include all events within sub-buffer
175 * Fix: Remove start and number from syscall_get_arguments() args (v5.1)
176 * lttng abi documentation: clarify getter usage requirements
177 * Fix: don't access packet header for stream_id and stream_instance_id getters
178 * Fix: atomic_long_add_unless() returns a boolean
179 * Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
180 * Fix: pipe: stop using ->can_merge (v5.1)
181 * Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
182 * Fix: mm: create the new vm_fault_t type (v5.1)
183 * Fix: extra-version-git.sh redirect stderr to /dev/null
184
50fed592
MD
1852019-03-12 (Homer Simpson Birthday) LTTng modules 2.11.0-rc4
186 * Fix: timer instrumentation for RHEL 7.6
187
51c55a61
MD
1882019-03-12 (Homer Simpson Birthday) LTTng modules 2.11.0-rc3
189 * Move timekeeping blacklisting to a header file
190 * Blacklist: kprobe for arm
191 * Cleanup: tp mempool: Remove logically dead code
192 * Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
193 * Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
194 * Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
195 * Fix: Remove 'type' argument from access_ok() function (v5.0)
196 * Add missing SPDX license identifiers to uprobes
197 * Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
198 * Fix: signal: Remove SEND_SIG_FORCED (v4.20)
199 * Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
200
b6ea9925
MD
2012018-11-01 (National Men Make Dinner Day) LTTng modules 2.11.0-rc2
202 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
203 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
204 * Fix: adapt to kernel relative references
205 * Fix: implicit declarations caused by buffer size checks.
206 * Prevent allocation of buffers if exceeding available memory
207 * Fix: btrfs instrumentation namespacing
208 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
209 * Fix: tracing: Centralize preemptirq tracepoints (4.19)
210 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
211 * Fix: access migrate_disable field directly
212 * Fix: out of memory error handling
213
1e7d7200
MD
2142018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
215 * Fix: uprobes: missing break in lttng_event_ioctl()
216 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
217 * Fix: instruction pointer has different names across arch
218 * Fix: build failures when CONFIG_UPROBES is absent
219 * uprobe: Support multiple call sites for the same uprobe event
220 * uprobe: Receive file descriptor from session instead of path to file
221 * uprobe: Mark uprobe event as registered
222 * Add uprobes support
223 * Fix: adjust SLE version ranges to build with SP2 and SP3
224 * Fix: Allow alphanumeric characters in SLE version
225 * Fix: Adjust range for SuSE 4.4.103-92 kernels
226 * Cleanup: move to kernel style SPDX license identifiers
227 * Cleanup: move scripts to subdirectory
228 * Cleanup: modinfo keys
229 * Add extra version information framework
230 * Revert "Add btrfs file item tracepoints"
231 * Fix: btrfs: Remove unnecessary fs_info parameter
232 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
233 * Fix: asoc: Remove snd_soc_cache_sync() implementation
234 * Fix: asoc: fix printing jack name
235 * Fix: asoc: Consolidate path trace events
236 * Fix: ASoC level IO tracing removed upstream
237 * Enable userspace callstack contexts only on x86
238 * Prevent re-entrancy in callstack-user context
239 * Callstack context: bump number of entries to 128
240 * Fix: callstack context alignment calculation
241 * Cleanup callstack context
242 * Fix callstack context: write empty sequence if no stack trace
243 * Fix: callstack context: false-sharing, bad memory size allocation
244 * callstack context: use delimiter when stack is incomplete
245 * Cleanup callstack context
246 * Add kernel and user callstack contexts
247 * Assign CPU id before saving the context size
248 * Define max nesting count constant
249 * Compute variable sized context length
250 * Pass arguments for context size computation
251 * Add 9p probe
252 * Update delayed ref tracepoints for v3.12
253 * Add btrfs file item tracepoints
254 * Add btrfs tracepoint for em's EEXIST case
255 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
256 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
257 * Fix: lttng filter validator ERANGE error handling
258 * Fix: filter interpreter: use LTTNG_SIZE_MAX
259 * Filter: add FILTER_OP_RETURN_S64 instruction
260 * Perform bitwise ops on unsigned types
261 * Filter: catch shift undefined behavior
262 * Filter: add lshift, rshift, bit not ops
263 * Filter: index array, sequences, implement bitwise binary operators
264 * Fix: pid tracker should track "pgid" for noargs probes
265 * lttng-tp-mempool: perform node-local allocation
266 * Fix: update RCU instrumentation for 4.17
267 * Fix: sunrpc instrumentation for 4.17
268 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
269 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
270 * Update: kvm instrumentation for ubuntu 4.13.0-38
271 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
272 * Fix: btrfs instrumentation namespacing
273 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
274 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
275 * Fix: update kvm instrumentation for 4.1.50+
276 * Use the memory pool instead of kmalloc
277 * Create a memory pool for temporary tracepoint probes storage
278 * Fix: use proper pid_ns in the process statedump
279 * Fix: add variable quoting to shell scripts
280 * Update: kvm instrumentation for fedora 4.14.13-300
281 * Fix: Add Fedora version macros
282 * Add preemptirq instrumentation
283 * Clean-up: fix stale #endif comments
284 * Command to dump the metadata cache again
285 * Add a new /dev/lttng-logger interface
286 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
287 * Fix: update block instrumentation for SuSE 4.4.114-92
288 * Fix: update rcu instrumentation for v4.16
289 * Fix: update vmscan instrumentation for v4.16
290 * Fix: update timer instrumentation on 4.16 and 4.14-rt
291 * Update kvm instrumentation for debian kernel 4.14.0-3
292 * Fix: network instrumentation protocol enum
293 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
294 * Fix: update block instrumentation for SuSE 4.4.73-5
295 * Fix: global_dirty_limit for kernel v4.2 and up
296 * Fix: network instrumentation handling of corrupted TCP headers
297 * Fix: add missing uaccess.h include from kstrtox.h wrapper
298 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
299 * Fix: btrfs_delayed_ref_head was unwired since v3.12
300 * Update kvm instrumentation for debian kernel 4.9.65-3
301 * Fix: debian kernel version parsing
302 * Fix: block instrumentation 4.14+ NULL pointer dereference
303 * Update: kvm instrumentation for 3.16.52 and 3.2.97
304 * Fix: kvm instrumentation for 4.15
305 * Update sock instrumentation for 4.15
306 * Update kvm instrumentation for 4.15
307 * Fix: ACCESS_ONCE() removed in kernel 4.15
308 * Fix: sched instrumentation on stable RT kernels
309 * timer API transition for kernel 4.15
310 * Fix: Don't nest get online cpus
311 * Fix: lttng_channel_syscall_mask() bool use in bitfield
312 * Fix: update kmem instrumentation for kernel 4.15
313 * Fix: lttng_kvmalloc helper NULL pointer OOPS
314 * Update version to 2.11.0-pre
315 * Fix: lttng-logger get_user_pages_fast error handling
316 * Fix: update block instrumentation for 4.14 kernel
317 * Revert "Fix: update block instrumentation for kernel 4.14"
318 * Fix: version check error in btrfs instrumentation
319 * Fix: update btrfs instrumentation for kernel 4.14
320 * Fix: update writeback instrumentation for kernel 4.14
321 * Fix: update block instrumentation for kernel 4.14
322 * Fix: vmalloc wrapper on kernel < 2.6.38
323 * Fix: vmalloc wrapper on kernel >= 4.12
324 * Add kmalloc failover to vmalloc
325 * Fix: mmap: caches aliased on virtual addresses
326 * Fix: update ext4 instrumentation for kernel 4.13
327 * Fix: Sleeping function called from invalid context
328 * Fix: sched for v4.11.5-rt1
329 * Make vim users life easier
330 * Rename Makefile.ABI.workarounds to Kbuild.common
331 * Fix: handle missing ftrace header on v4.12
332 * Fix: pid tracker should track "pgid"
333 * Cleanup: typo in lttng pid tracker
334 * Fix: Build ftrace probe on kernels prior to 4.12
335 * Fix: update ftrace probe for kernel 4.12
336 * Fix: update block instrumentation for kernel 4.12
337 * Calculate context length outside of retry loop
338 * Fix: Add support for 4.9.27-rt18 kernel
339 * Fix: update btrfs instrumentation for kernel 4.12
340 * Fix: update ringbuffer for kernel 4.12
341 * Fix: update sched instrumentation for kernel 4.12
342 * Fix: ext3 was completely removed from the kernel in v4.3
343 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
344 * Fix: add "flush empty" ioctl for stream intersection
345 * Revert "Fix: flush empty packets on snapshot channel"
346 * Revert "Fix: don't perform extra flush on metadata channel"
347
a7528254
MD
3482017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
349 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
350 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
351 * Fix: Always build vmscan probe
352 * Cleanup: formatting in strutils_star_glob_match explanation
353 * Fix: introduce LTTNG_SIZE_MAX for older kernels
354 * Use SIZE_MAX instead of -1ULL for size_t parameter
355 * filter: use SIZE_MAX for size_t
356 * Fix: out of bound array access in filter code
357 * Add support for star globbing patterns in event names
358 * Filtering: add support for star-only globbing patterns
359 * Add string utilities
360 * lttng-abi.c: cleanup whitespaces
361 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
362 * Fix: kref changes for kernel 4.11
363 * Fix: atomic_add_unless() returns true/false rather than prior value
364 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
365 * Fix: update scsi instrumentation for kernel 4.11
366 * Fix: changes to the vm_op fault cb prototype in libringbuffer
367 * Fix: update btrfs instrumentation for kernel 4.11
368 * Fix: update mm_vmscan instrumentation for kernel 4.11
369 * Fix: section mismatch warning caused by __exit annotation
370 * socketpair: extend syscall socketpair tracing information
371 * Remove events/mainline unused headers
372 * update event README
373 * Fix: nmi-safe clock on 32-bit systems
374 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
375 * Fix: 4.10 hotplug adaptation backward compat
376 * Fix: 4.10 btrfs instrumentation update backward compat
377 * Update btrfs instrumentation for 4.10 kernel
378 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
379 * btrfs instrumentation: update to 4.10 kernel
380 * timer instrumentation: adapt to ktime_t without union
381 * Add load/unload messages to kernel log
382 * Update version to 2.10.0-pre
383 * Fix: asoc instrumentation for RHEL 7.3
384 * Fix: SCSI instrumentation for SLES12 SP2
385 * Add SUSE Linux Enterprise kernel version tests
386 * Filter code relicensing to MIT license
387 * Add task cpu in process statedump
388 * Performance: add missing unlikely in reserve
389 * Fix: preemptible and migratable context error handling
390 * Fix: bump stable kernel version ranges for clock work-around
391
f8af63a2
MD
3922016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
393 * Fix: i2c: support kernels < 3.15
394 * Fix: show warning for broken clock work-around
395 * Bump minor ABI version
396 * Fix: work-around upstream Linux timekeeping bug
397 * Add support for i2c tracepoints
398 * Cleanup: makefile version checks with single "ge"
399 * Performance: special-case NULL in lttng_strlen_user_inatomic
400 * Fix: lttng_inline_memcpy does not take a __user argument
401 * Performance: implement lttng_inline_memcpy
402 * Performance: cache the backend pages pointer in context
403 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
404 * Performance: Only dereference commit index once
405 * Performance: Mark channel and buffer event disabled check unlikely
406 * Performance: Relax atomicity constraints for crash handling
407 * Performance: mark ring buffer do_copy callers always inline
408 * Performance: mark lib_ring_buffer_write always inline
409 * Kconfig: select TRACEPOINTS when built-in
410 * Performance: disable event counting by default
411 * Fix: handle large number of pages or subbuffers per buffer
412 * Fix: unregister cpu hotplug notifier on buffer alloc error
413 * Fix: sa_family is of type unsigned short
414 * Fix: check for sizeof sa_family to save sa_family in accept and connect
415 * Fix: use printk_once() for wrapper warning messages
416 * Fix: btrfs instrumentation for 4.8 kernel
417 * Fix: update mm_vmscan instrumentation for kernel 4.8
418 * Fix: napi instrumentation for 4.8 kernels
419 * Fix: update block instrumentation to compile on 4.8 kernels
420 * Cleanup: reuse code in accept() and accept4() instrumentation
421 * Add x86-64 override for accept4 syscall
422 * Fix: timer wrapper: support kernels >= 4.8
423 * Performance: split check deliver fast/slow paths
424 * Fix: x86-64 accept instrumentation
425 * Fix: Add support for 4.6.4-rt8 kernel
426 * Fix: update scsi instrumentation for 4.7+ kernels
427 * Fix: Use fs_initcall instead of rootfs_initcall
428 * Fix: Add kernel configuration for lttng clock plugin
429 * Fix: the clock plugin must be initiated before first use of the clock
430 * Fix: tests/Kbuild for older kernels
431 * Cleanup: __dynamic_len_idx set but not used warning
432 * Cleanup: coding style and comments of net.h
433 * net: Add TCP header data to net_* tracepoints
434 * net: Add IPv4/IPv6 header data to net_* tracepoints
435 * Fix: endianness for the container type of enum
436 * enumeration autoincrement: use if/else logic
437 * Cleanup trailing whitespaces
438 * lttng-test probe: test ctf_enum_auto()
439 * Add ctf_enum_auto() for autoincrementing enumeration values
440 * Implement session statedump command
441 * Fix: annotate bytecode interpreter for kernel stack validator
442 * Update version to 2.9.0-pre
443 * Fix: ring buffer: honor switch parameter type in remote switch
444 * Fix: only flush non-metadata channels
445 * Fix: don't perform extra flush on metadata channel
446 * select, poll and epoll_wait overrides on ARM 32-bit
447 * Fix: flush empty packets on snapshot channel
448 * Fix: do not generate packet at destroy after stop
449 * Fix: compat ioctl for flush/get metadata version
450 * Fix: ctf_string() should handle NULL pointers
451 * Fix: portability: no arith on void pointer
452 * Fix: add missing tests/Kbuild
453 * Test clock override plugin
454 * Fix: add modules target to base Makefile
455 * Fix: make clean does not include dot-config
456 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
457 * Documentation: document that CONFIG_MODULES not required when builtin
458 * Fix: add missing errno include in random wrapper
459 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
460 * Fix: copy_from_user size when limited allocation
461 * Extract the payload of epoll_wait/epoll_pwait
462 * Extract the payload for epoll_ctl
463 * Extract the FDs and flags from poll and ppoll
464 * Extract the FD sets in select and pselect6
465 * Add ctf_integer_bitfield_type
466 * Implement enumeration type
467 * Implement custom field support
468 * Implement variant type
469 * Implement shadow stack for dynamic len
470 * libringbuffer: implement event too big API
471 * Implement structure, compound array/sequence types
472 * Fix: integer endianness metadata generation
473 * Fix: endianness of integers received by filter
474 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
475 * Fix: RHEL kernel 3.10.0-327.13.1 compat
476 * Fix: ctf_user_integer should not trigger page fault
477 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
478 * Add comment describing ioctl number duplication
479 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
480 * Fix: Remove dead code from filter interpreter
481 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
482 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
483 * Fix: use of uninitialized ret value in lttng_abi_create_event
484 * Fix: kmem instrumentation: remove unused gfpflags.h include
485 * Fix: 4.6 kernel: use in_compat_syscall
486 * Fix: use BUG_ON instead of accessing array subscript above array bounds
487 * Fix: Add granularity to RHEL kernel version checks
488
0dca9206
MD
4892016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
490 * Bump minor tracer ABI version
491 * Fix: build against out-of-tree kernel build
492 * probes/Kbuild: remove upper level header path
493 * Move leftover relative include paths to system paths
494 * syscall instrumentation: use system headers
495 * tracepoint event instrumentation: use system headers
496 * Use system include path in wrappers
497 * libs: use system include paths
498 * Use system header paths in core implementation files
499 * Use system include paths in root directory headers
500 * Use system include paths in probes
501 * Update gitignore
502 * Use system include paths in lttng-types.h
503 * Use system include paths in lttng-tracepoint-event-impl.h
504 * Use system include path in probes/define_trace.h
505 * Use system include paths in probes/lttng-tracepoint-event-impl.h
506 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
507 * Add makefile directory to include path
508 * Fix: event ctx get size should be after chan ctx
509 * Fix: filter interpreter with userspace strings
510 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
511 * Fix: format address fields as hexadecimal
512 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
513 * Fix: system call instrumentation overrides
514 * Fix: page_alloc wrapper incorrect parenthesis
515 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
516 * Fix: add struct user_msghdr forward declaration for older kernels
517 * Cleanup: Remove unused lttng-types module
518 * Fix: add missing versions and init call for page_alloc wrapper
519 * Fix: Define lttng-tracer metadata only once
520 * Fix: Add CONFIG_LTTNG to modules_install target
521 * Fix: Use kbuild env instead of a custom var KERNELDIR
522 * Update clock offset comment
523 * clock offset: print negative value in metadata
524 * Fix: handle negative clock offset
525 * Fix: sched instrumentation for 4.1-rt11
526 * Add RT patch version macros
527 * Expect filter context identifiers starting with $ctx.
528 * ARM64: wire up compat system calls
529 * Add support for arm64 syscalls
530 * Fix: Ubuntu kernel range for block_rq_complete
531 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
532 * Fix: update vmscan instrumentation for kernel 4.5
533 * Fix: check reference counts for overflow
534 * Fix: RHEL 7.2 scsi instrumentation
535 * Fix: RHEL 7.2 kvm instrumentation
536 * Kconfig: describe both module and in-kernel compilation options
537 * Add comments and indentation to Makefile
538 * Add support for built-in kernel build
539 * Rename sub makefiles to Kbuild
540 * Cleanup sub makefiles
541 * Make goals configurable with CONFIG_LTTNG
542 * Fix: Use generic raw_irqs_disabled_flags
543 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
544 * Fix: update sched instrumentation for kernel 4.4.0
545 * Bump version number for development branch
546 * Fix: interruptible context: reversed logic
547 * Contexts for RT debugging
548 * Fix: instrumentation: v4lv2 missing include
549 * Fix: header size larger than 256 bytes
550 * Instrument x86 page faults
551 * Fix: irq_vectors TRACE_SYSTEM name
552 * Instrument x86_irq_vectors
553 * Fix: tracepoint listing misses last loaded probe
554 * Fix: lttng trace-clock needs to disable preemption
555 * Tracepoint event: add "TP_code_post()"
556 * Implement array and sequence bitfields
557 * Fix: kmem: add mm.h include
558 * Add page frame number (pfn) to kmem page events
559 * Use pfn rather than struct page in ring buffer array
560 * Implement clock plugin support
561 * Command to regenerate the metadata of a session
562 * Fix: writeback instrumentation update for 4.3 Linux kernel
563 * Fix: update sched wakeup instrumentation for 4.3 kernel
564 * Fix: lttng-test build failure for kernels < 3.0
565 * Use 3.18 syscall instrumentation for MIPS32
566 * Update the MIPS32 syscall instrumentation to 3.18
567 * Fix: Move pipe override to the arch specific pointers_override.h
568 * Implement lttng test module
569 * Cleanup: remove logically dead code
570 * Fix: filter validator use after free
571 * Fix: use after free in channel release
572 * Fix: non-enabler events should be disabled by default
573 * Fix: build failure on 2.6.36
574 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
575 * Fix: writeback instrumentation for 4.2 kernels
576 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
577 * Add stream instance id to the packet header
578 * Add a packet sequence number
579 * Fix: kmem probe with Ubuntu 3.13 kernels
580 * Fix: disable kvm probe if lapic.h isn't found
581 * Fix: timer instrumentation for 4.2 kernels
582 * Fix: ext4 instrumentation for 4.2 kernels
583 * Fix: kvm instrumentation for 4.2 kernels
584 * Fix: allow LTTng to be built within kernel tree
585
5862015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
587 * Fix: Building the event list fails on fragmented memory
588 * Fix: use after free on metadata cache reallocation
589 * Fix: version checks for kernel 4.0
590 * Fix: Incorrect Ubuntu kernel patchlevel
591 * Fix: cpu-id context should use int type
592 * Implement cpu-id context
593 * Implement cpu_id context for filtering
594 * Fix: context printk mismatch on error
595 * Cleanup: misleading comment about deferrable timer
596 * Fix: arm-32 build
597 * Fix: Update kmem event for Ubuntu's 3.16 kernel
598 * Fix: RHEL 7.1 block instrumentation
599 * Fix: add RHEL version macros
600 * Fix: add missing parenthesis in ubuntu version check
601 * Fix: remove regmap instrumentation for kernels < 4.1
602 * Fix: Update kmem event for recent Ubuntu kernel
603 * Fix: missing statedump end event when block device listing available
604 * Fix: don't generate incorrect macros for debian/ubuntu version check
605 * Revert "Fix: build against Ubuntu kernels"
606 * Fix: build against Ubuntu kernels
607 * Add namespace info in sched_fork and statedump
608 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
609 * Fix: printk instrumentation: remove "condition" tracepoints
610 * Fix: regmap build against kernel 4.0 kernel headers
611 * Add mmu_valid_gen field to mmutrace events
612 * Fix: add missing x86 mmutrace kernel header include
613 * Fix: x86 mmutrace event extra field for kernels >= 3.11
614 * Fix: remove execute flag from kvm.h file
615 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
616 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
617 * Fix: 4.1-rc1 Linux build and regmap instrumentation
618 * Fix: don't clash with older Debian kernel versions
619 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
620 * Fix: discover Debian API
621 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
622 * Fix: atomic.h wrapper for kernels < 2.6.37
623 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
624 * Fix: add missing types.h include for older kernels
625 * Fix: add hlist lttng wrappers
626 * Fix: add struct file_handle forward declaration
627 * Fix: string length calculation reversed user vs kernel args
628 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
629 * Fix: add lttng rcu wrapper to allow tracing RCU
630 * Fix: double-unlock of session mutex
631 * Fix: check that class and instance prototype match
632 * Fix: lttng-events.h check function takes void
633 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
634 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
635 * Fix: Include utsrelease.h in lttng-kernel-version.h
636 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
637 * Fix: old kernels need module.h included before vermagic.h
638 * Fix: net instrumentation for kernels 2.6.39 and below
639 * Fix: version condition in makefile
640 * Implement wrapper around get_pfnblock_flags_mask
641 * Be more restrictive in provider name check
642 * Fix: net instrumentation namespacing
643 * Fix: compaction instrumentation namespacing
644 * Fix: Support 4.x kernel versions in Makefile
645 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
646 * Fix: add missing module.h include to lttng-probe-user.c
647 * Fix: use lttng hlist wrapper in wildcard and filter
648 * Fix: namespace asoc and kmem instrumentation
649 * Fix: update instrumentation after wildcard rebase
650 * Fix: lttng_abi_syscall_list does not need to be exported
651 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
652 * Remove now unused syscalls.h from lttng-modules
653 * Filter: start with enabler "disabled"
654 * Fix coverity warning about sizeof(void **) != sizeof(void *)
655 * Fix length type and text sequence base
656 * Fix: TP_FIELDS: add missing headers
657 * Migrate syscall instrumentation to TP_FIELDS
658 * Migrate tracepoint instrumentation to TP_FIELDS
659 * Implement filtering infrastructure
660 * syscall wildcards: apply syscall filtering
661 * Implement syscall wildcard support
662 * Implement tracepoint wildcard support
663 * Namespace all tracepoints
664 * Implement list.h wrapper for hlist in older kernels
665 * Implement listing of pid tracker content
666 * Implement PID tracking
667 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
668 * Fix: update writeback instrumentation for kernel 4.0+
669 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
670 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
671 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
672 * Fix: missing parenthesis in offset_align_floor
673 * Fix: implement time.h wrapper for FD_ISSET
674 * Fix: update sched instrumentation for 3.19+ kernels
675 * Fix: update rcu instrumentation for 3.19+ kernels
676 * Fix: update scsi instrumentation for 3.19+ kernels
677 * Fix: update module instrumentation for 3.19+ kernels
678 * Fix: Add f_dentry wrapper for 3.19+ kernels
679 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
680 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
681 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
682 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
683 * Conditional compilation introduced by lttng-modules commit
684 * Fix: compaction instrumentation update for 3.14.x stable kernels
685 * Fix: context alignment not properly handled
686 * Fix compilation on Linux kernel >= 3.18.0
687 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
688
af991434
MD
6892014-10-20 LTTng modules 2.6.0-rc1
690 * Expose lttng-modules ABI version ioctl
691 * Fix: syscall list ioctl number conflict
692 * lttng-modules: fix build for non-x86
693 * Fix: syscall listing of session
694 * Print build warning when writeback probe is disabled
695 * Add atomic.h wrapper for before/after atomic
696 * Fix compilation on Ubuntu 14.10
697 * Fix: export name as text array in writeback
698 * Cleanup: remove unused trace_clock_read32()
699 * Use 3.17 ktime_get_mono_fast_ns() new API
700 * Check for stale version.h files
701 * Fix: compile lttng_statedump_process_ns on Ubuntu
702 * Reverse version check logic in lttng_statedump_process_ns
703 * Fix block_rq_complete TP on Ubuntu kernel
704 * Introduce macros to check Ubuntu kernel version
705 * Sync writeback tracepoints from mainline
706 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
707 * Fix: hander negative get_syscall_nr return value
708 * Fix: statedump: close_on_exec flag backward compat
709 * Fix instrumentation of vmscan for older kernels
710 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
711 * Fix: syscall listing: handle "enable all syscall"
712 * Fix: don't allow disabling syscalls when none are enabled
713 * Fix: syscall: fail disable all if all already disabled
714 * Fix: syscall filtering: NULL pointer deref
715 * Cleanup: list syscall without syscall_entry prefix
716 * Fix: syscall_list_show NULL pointer deref
717 * implement syscall mask getter
718 * Cleanup: lttng-abi.h coding style
719 * syscall listing: show syscall ID
720 * Allow events with same name to be enabled for each channel
721 * ABI: use enable a syscall ABI field name
722 * Implement syscall listing
723 * Fix: tracepoint list anonymous file name
724 * Fix: syscall filtering: disable all syscalls
725 * syscall tracing: input/output parameter handling for all arch
726 * lttng-get-syscall-inout.sh depends on bash
727 * Fix generate syscall header script: add missing escape char
728 * syscall instrumentation: handle copy_from_user return value
729 * Rename LTTng syscall instrumentation macros
730 * Rename LTTng instrumentation macros
731 * Extract input/output arguments from accept and connect syscalls
732 * syscall: extract pipe and pipe2 output args
733 * Remove sys_ prefix from syscall names
734 * System call inout/output arg processing
735 * Update syscall inout table
736 * Add syscall inout table
737 * Extract syscall exit ret value on x86 32/64
738 * Extract system call exit return value
739 * Syscall filtering: apply to syscall exit
740 * System call filtering
741 * asoc.h: fix build with v3.17 kernel
742 * Fix: lttng-modules teardown NULL pointer OOPS
743 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
744 * Modernize README using Markdown
745 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
746 * Add cscope to gitignore
747 * Update kvm instrumentation: compile on 3.17-rc1
748 * Update statedump to 3.17 nsproxy locking
749 * Fix: noargs probes should calculate alignment and event length
750 * Update compaction instrumentation to 3.16 kernel
751 * Update vmscan instrumentation to 3.16 kernel
752
789fd1d0
MD
7532014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
754 * (no change)
755
37cbcd7c
MD
7562014-06-27 LTTng modules 2.5.0-rc2
757 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
758 * Fix: statedump handle oom case, handle errors
759 * Fix: correct typo in kernel version number
760 * Fix: blktrace instrumentation for backported branches
761 * Fix: statedump block devices OOPS
762
0d979364
MD
7632014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
764 * Add TID field to some block_* events
765 * Fix: refuse overwrite mode buffers with less than two subbuffers
766 * Fix: lttng modules system call generation script
767 * Dump FD flags and mode on state dump
768 * Fix: incorrect rwbs field type in block_bio_queue
769 * Fix: blktrace instrumentation for v3.2.58+ stable branch
770 * Fix: pass proper args when writing commit counter
771 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
772 * Fix: allow racy tracepoint string input from kernel and userspace
773 * Statedump event for block devices
774 * Fix: update v4l2 instrumentation to 3.15 kernel
775 * Fix: ext4 update instrumentation to 3.15 kernel
776 * Fix: update block instrumentation to 3.15 kernel
777 * Fix: module instrumentation: update to 3.15 kernel
778 * Adapt to 3.15 tracepoint API
779 * Kernel 3.15 don't define map unmap for pipe
780 * Fix: add missing module version in v4l2 probe
781 * Add V4L2 instrumentation
782 * Fix: rcu instrumentation: add const qualifier to char pointers
783 * Fix: add missing module version information
784 * Use kernel 3.13 syscall tables for MIPS32
785 * Add MIPS32 syscalls extracted from a 3.13 kernel
786 * Fix: block instrumentation: < 3.14 don't have bi_iter
787 * Fix: update btrfs instrumentation to kernel 3.14
788 * Fix: update block layer instrumentation to kernel 3.14
789 * Fix: remove __exit annotation
790 * Fix file permissions for lttng-statedump-impl.c
791 * LTTng logger ABI
792
fb2c3779
MD
7932014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
794 * Fix: load state dump even if work-around lookup fails
795 * Cleanup: fix comment
796 * Fix: correctly version kvm events to build against v3.0 kernel
797 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
798
4be86211
MD
7992014-02-14 LTTng modules 2.4.0-rc4
800 * Fix: use after free in ring buffer clients
801 * Fix: Add statedump exit so module is not permanent
802 * Cleanup: move callback init to static initialization
803 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
804
00808267
MD
8052014-01-29 LTTng modules 2.4.0-rc3
806 * Fix: tracepoint event name mapping at unregister
807 * Fix: tracepoint name remapping
808 * Fix: enable event error path memory corruption
809 * Update kvm instrumentation to Linux 3.13
810 * Update sched instrumentation to Linux 3.13
811 * Fix: provide more precise error report for enable event
812 * Fix: quote event name in metadata
813 * Add version info to lttng-tracer.ko modinfo
814
0aa12233
MD
8152013-12-10 LTTng modules 2.4.0-rc2
816 * Fix: client_packet_header() uses wrong packet
817 * Cleanup: fix typo in ring buffer backend comment
818 * Fix: handle unknown event type parameter
819 * Fix: eliminate timestamp overlap between packets
820 * gcc blacklist: only apply when building with gcc
821 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
822
223ca7c5
MD
8232013-11-15 LTTng modules 2.4.0-rc1
824 * Update ext4 instrumentation to Linux 3.12
825 * Update RCU instrumentation to Linux 3.12
826 * Update btrfs instrumentation to 3.12 kernel
827 * Update vmscan instrumentation to Linux 3.12
828 * update: kmem instrumentation 3.12 kernel support
829 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
830 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
831 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
832 * Add new tracepoint in KVM
833 * Blacklist kernels 3.10.13 and 3.11.2
834 * LTTng trace-clock: shrink kernel blacklist
835 * Metadata flush writes data from the cache
836 * Per-stream ioctl to get the current timestamp
837 * LTTng ringbuffer ABI calls for index generation
838 * Prepare LTTng override of ring buffer fops
839 * Blacklist Linux kernels 3.10+
840
78c8710b
MD
8412013-09-03 LTTng modules 2.3.0
842 * Fix: metadata stream should not reference session
843 * Fix: btrfs: support 3.11 Linux kernel
844 * statedump: remove KERN_DEBUG messages
845 * Fix: ext4: add missing tracepoints for 3.11 kernel
846 * Fix: ext4: Linux 3.11 support
847 * Fix: ext3: 3.11 Linux support
848 * Fix: statedump nsproxy 3.11 Linux support
849
cf7ae3e6
MD
8502013-08-30 LTTng modules 2.3.0-rc2
851 * Fix: metadata lttng channel refcount
852 * README: lttng-modules incompatible with lttng 0.x patchset
853
54207845
MD
8542013-07-17 LTTng modules 2.3.0-rc1
855 * Fix: kvm x86 probes side-effect
856 * Fix: allow get/put subbuf in loop for metadata stream
857 * Add support for kvm x86 specific tracepoints
858 * Add mainline headers for kvm x86 tracepoints
859 * Remove old 3.0.4 x86-64 extracted syscall info
860 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
861 * Add syscalls extracted files from a 3.10-rc7 kernel
862 * Improve documentation of the syscall extractor script
863 * Fix: double length of __dynamic_len array
864 * Fix printk instrumentation
865 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
866 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
867 * Fix: SWITCH_FLUSH new sub-buffer checks
868 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
869 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
870 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
871 * Fix: handle writes of length 0
872 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
873 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
874 * print warning and return -EBUSY on double get_subbuf()
875 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
876 * Fix: don't do 0 byte event reservation
877 * Document that payload size need to be greater than 0
878 * Fix build and load against linux-2.6.33.x
879 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
880 * Metadata cache and multiple metadata channels
881 * fix block instrumentation probe signature mismatch for 3.9.x kernels
882 * fix: block instrumentation: NULL pointer dereference
883 * Update rcu instrumentation to 3.9.[0-4]
884 * Fix CPU hotplug section mismatches
885 * Add system calls definitions for powerpc-32
886 * Remove bashism in lttng-syscalls-generate-headers.sh
887 * Update ARM (32 bit) syscall tracepoints to 3.4
888
88c5f61b
MD
8892013-05-09 LTTng modules 2.2.0-rc2
890 * Remove useless lttng_metadata probe
891 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
892 * Fix: 3.9.0 block layer instrumentation build
893 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
894 * Stop build if CONFIG_TRACEPOINTS is not set
895 * Add comments to endifs.
896 * Fix: remove ARM set_tls system call override
897 * Cleanup: arm sys_mmap whitespace
898 * Clean up using global_dirty_limit wrapper for writeback probe
899
78062c79
MD
9002013-03-29 LTTng modules 2.2.0-rc1
901 * Update README
902 * Fix: vmscan instrumentation build
903 * writeback instrumentation: remove duplicated structures
904 * block: update instrumentation to 3.9 rc kernel
905 * rcu: update to 3.9 rc kernel instrumentation
906 * workqueue instrumentation: remove duplicated structures
907 * Rename odd event names
908 * Introduce API to remap event names exposed by LTTng
909 * lttng-module: sched.h: Fix compilation on 3.9 kernel
910 * Fix Linux 3.8 btrfs probe warning
911 * Fix Linux 3.8 ext4 probe support
912 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
913 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
914 * instrumentation sched: add missing fork pid info
915 * Fix check in lttng_strlen_user_inatomic
916 * instrumentation: sync with Linux commit a1ce392
917 * Fix: statedump: missing locking, use lttng_iterate_fd
918 * Implement lttng_iterate_fd wrapper
919 * Instrumentation cleanup: kmem events should print hex pointers
920 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
921 * Fix: statedump hang/too early completion due to logic error
922 * Fix: statedump hang due to incorrect wait/wakeup use
923 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
924 * wrapper/perf.h: Fix kernel version condition
925 * Add new kernel probes instrumentation
926 * Update kernel probes to more detailed match to kernel versions
927 * Fix possible kernel build errors with linux-patches
928 * Add missing MIT license text to 3 files under this license
929 * Update sites using kernel version checking macro to new range
930 * Make upper bound of kernel version checking macro exclusive
931 * sock instrumentation: fix fields to get referenced values
932 * ext3 instrumentation: fix of assignment code conversion
933 * sched instrumentation: rename "pid" fields in sched_process_exec
934 * Remove remaining semicolons in TP_fast_assign blocks
935 * Fix compilation for 3.0 kernels that are named 2.6.40
936 * Fix compilation for 3.0 branch (>= 3.0.39)
937 * Add kernel version checking macro
938 * Remove semicolons in TP_fast_assign blocks
939 * Add ifdefs to net probe to support Linux 2.6.39
940 * Add kernel probes for supplementary subsystems
941 * Check if interrupt action name is not null in statedump
942 * Fix exec instrumentation: only for kernels 3.4.0 and higher
943 * Add TRACE_EVENT(sched_process_exec) to sched.h
944 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
945 * Fix warning with 3.6.0 kernel
946 * ABI with support for compat 32/64 bits
947 * Perform calculation on bit size in 64-bit
948 * Use uint64_t for packet header content size and packet size
949 * Fix: compat layer only on supported architectures
950 * Fix ring buffer 32/64 bits compat
951 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
952 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
953 * Fix: statedump missing check for NULL namespace
954
7cb1d0ee
MD
9552012-09-10 LTTng modules 2.1.0-rc1
956 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
957 * Support for linux kernels 2.6.32 through 2.6.37
958 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
959 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
960 * Add env hostname information
961 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
962 * lttng_statedump_process_state for each PID NS
963 * Support the hostname context
964 * Fix: statedump namespaced pid, tid and ppid
965 * Fix: statedump: disable vm maps enumeration
966 * Fix: ensure userspace accesses are done with _inatomic
967 * Fix: vppid context should test for current nsproxy
968 * Add MIPS system call support
969 * Change mode of lttng-syscalls-generate-headers.sh to 755
970 * cleanup: fix typo in syscall instrumentation header
971 * Cleanup: remove trailing whitespace in README
972 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
973 * LTTng: probe-statedump: add #include <linux/sched.h>
974 * fix: signal_generate event should print utf8 for comm field
975 * Makes write operation a parameter for tp_memcpy macro
976 * Add coding style document
977 * Update instrumentation/events README file
978 * Add makefile target for preprocessor
979 * Fix: free_event_id check should compare unsigned int with -1U
980 * Use unsigned long type for events discarded counter
981 * Fix: update signal instrumentation for 3.4 kernel
982 * LTTng Modules ARM syscall instrumentation
983 * Fix: generate header missing echo -e for escape chars
984 * Fix: add missing uaccess.h include (for ARM)
985 * README: Document that CONFIG_MODULES is required
986 * Fix: README typo
987 * Fix: document required and optional kernel config options in README
988
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9892012-03-29 LTTng modules 2.0.1
990 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
991
9922012-03-20 LTTng modules 2.0.0
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993 * First STABLE version
994 * Add version name
995
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9962012-03-20 LTTng modules 2.0.0-rc4
997 * Update README and add version name place-holder
998
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9992012-03-16 LTTng modules 2.0.0-rc3
1000 * Fix clock offset 32-bit multiplication overflow
1001 * Fix : wrong assign of fd in state dump
1002 * License cleanup, ifdef namespace cleanup
1003 * Fix: ensure power of 2 check handles 64-bit size_t entirely
1004
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10052012-03-02 LTTng modules 2.0.0-rc2
1006 * Fix: dmesg printout should not print metadata warnings
1007 * Fix: use transport name as channel name
1008 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
1009
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10102012-02-20 LTTng modules 2.0.0-rc1
1011 * Standardize version across toolchain
1012 * statedump: Use old macro name for kernel 2.6.38
1013
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10142012-02-16 LTTng modules 2.0-pre15
1015 * Add timer instrumentation
1016 * fix: need to undef mainline define
1017 * fix: Include signal.h instead of irq.h for prototype match check
1018 * Add signal instrumentation
1019
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10202012-02-16 LTTng modules 2.0-pre14
1021 * syscall tracing: sys_getcpu
1022 * Add sys_clone x86 instrumentation
1023 * statedump: fix include circular dep
1024 * Implement state dump
1025
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10262012-02-09 LTTng modules 2.0-pre13
1027 * Update README
1028 * environment: write sysname, release, version, domain to metadata
1029 * Allow open /proc/lttng for read & write
1030
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10312012-02-02 LTTng modules 2.0-pre12
1032 * Add x86 32/64 execve syscall instrumentation override
1033 * Remove unused defines
1034 * Add padding to ABI
1035 * Use LTTNG_KERNEL_SYM_NAME_LEN
1036 * Update version to 1.9.9
1037 * Add missing double-quotes to clock uuid
1038 * clock: read bootid as clock monotonic ID
1039 * Fix comment
1040 * Cleanup comment
1041 * clock: output clock description in metadata
1042 * Properly fix the timekeeping overflow detection
1043 * Fix init bug
1044 * rename lib-ring-buffer to lttng-lib-ring-buffer
1045 * Remove #warning
1046 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
1047 * Update TODO
1048 * Update TODO
1049 * Remove debugfs file (keep only proc file)
1050 * Rename lttng-debugfs-abi files to lttng-abi
1051
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10522011-12-13 LTTng modules 2.0-pre11
1053 * Fix OOPS caused by reference of config pointer
1054 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
1055 * lttng lib: ring buffer move null pointer check to open
1056 * lttng lib: ring buffer remove duplicate null pointer
1057 * lttng lib: ring buffer: remove stale null-pointer
1058 * lttng wrapper: add missing include to kallsyms wrapper
1059 * lttng: cleanup one-bit signed bitfields
1060 * Add TODO file
1061 * Update symbol name length max size to 256
1062 * Fix last modifications to string_from_user operations
1063 * Document that depmod needs to be executed by hand
1064 * Fix strlen_user fault space reservation
1065 * Fix tp_copy_string_from_user handling of faults
1066 * Disable block layer tracing support for kernels < 2.6.38
1067 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
1068 * Update trace clock warning to match the current development plan
1069 * ringbuffer: make ring buffer printk less verbose
1070 * Makefile: do not run depmod manually
1071
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10722011-09-30 LTTng modules 2.0-pre10
1073 * x86-32: override sys_mmap syscall instrumentation
1074 * Fix cast warning
1075
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10762011-09-29 LTTng modules 2.0-pre9
1077 * x86 32 syscalls: fix !CONFIG_UID16
1078 * Use __string_from_user
1079 * Add __string_from_user
1080 * Rename "comm" context to "procname"
1081 * Fetch "type" name field for mount syscall
1082 * Create common override file for all architectures
1083 * Shrink stack size usage
1084 * Cleanup: remove unused lttng-compat-syscalls.c file
1085 * Support detailed compat syscalls on x86_64
1086 * Fix syscall table
1087 * Add disabled compat syscalls detail (work in progress)
1088 * Add config compat support for detailed x86_32 syscalls
1089 * Handle newer 3.1+ perf API
1090 * Add dummy x86-32 override headers
1091 * Bind x86-32 syscall headers
1092 * Add x86-32 syscall headers
1093 * Add check for KALLSYMS_ALL in syscall extraction script
1094 * Automate string extraction for syscalls
1095 * Automate syscall filename/pathname extraction
1096 * Add exit to ring_buffer_frontend so module is unloadable
1097 * Add sys_open filename (x86_64)
1098 * Add missing memcpy callback
1099 * copy_from_user and memset
1100 * Add missing alignment after header write
1101 * lib ring buffer: add frontend init as module_init
1102 * lib ring buffer frontend: add missing lock initialization
1103 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
1104 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
1105 * Create override for sys_mmap
1106 * Rename syscalls -> syscall in LTTng ABI
1107 * Use different event name for compat syscalls
1108 * Allow trace syscall table override
1109 * Add dummy override files
1110 * syscall detail: add override capability
1111 * Add pointer pretty-print heuristics
1112 * Add __field_hex
1113 * Rename sys exit errno into ret
1114 * Enable detailed syscalls only for native x86_64
1115 * Use "unknown" for compat syscalls
1116 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
1117 * Fix syscall exit
1118 * Fix sys exit
1119 * Only enable detailed syscalls for x86_64 for now
1120 * Merge unknown syscall method with extended detail method
1121 * Add underscore prefix before event names
1122 * Add syscalls pointers detailed syscall tracing
1123 * Use perl for regexp
1124 * Support generation of syscall probes for those with pointers
1125 * Support detailed syscalls with 0 arguments
1126 * detailed syscall tracing (work in progress)
1127 * Expose /proc/lttng file
1128 * Implement detailed syscall event probe
1129 * Disable perf build for < 2.6.33 kernels
1130 * Syscall detail mode: generate syscall table
1131 * block instrumentation: write cmd as hex sequence
1132 * lttng-events TRACE_EVENT generator cleanup
1133 * block layer instrumentation: fix cmd field
1134 * Remove 0 args syscalls for now from type-aware syscall cb generator
1135 * Generate trace syscall table macros
1136 * Put syscall tracing without arg types back in place
1137 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
1138 * lttng events probes: don't clash with "ctx" variable name
1139 * lib ring buffer must take private pointer copy before decrementing refcount
1140
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11412011-08-16 LTTng modules 2.0-pre8
1142 * Fix metadata buffer wait/wakeup
1143
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11442011-08-12 LTTng modules 2.0-pre7
1145 * Add missing module refcount to lttng_tracepoint_list_fops
1146 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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