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fix: statedump: undefined symbols caused by incorrect patch backport
[lttng-modules.git] / ChangeLog
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a508ac4f
MD		 12020-10-05 (National Get Funky Day) LTTng modules 2.12.3
2 * Cleanup: lttng-syscalls: silence warning about uninitialized bitmap variable
3 * fix: backport 'Add 'kernel_read' wrapper for kernels < v4.14'
4 * Add 'kernel_read' wrapper for kernels < v4.14
96aaa47d
MD		 5 * fix: Use 'kernel_read' to read from procfs
6 * fix: don't allow userspace copy to read kernel memory
7 * fix: Add a 1MB limit to lttng_strlen_user_inatomic
8 * fix: Adjust ranges for Ubuntu 4.15.0-119 kernel
9 * fix: Adjust ranges for Ubuntu HWE 5.0 kernels
10 * Fix: system call filter table
11 * fix: version ranges for ext4_discard_preallocations and writeback_queue_io
12 * fix: writeback: Fix sync livelock due to b_dirty_time processing (v5.9)
13 * fix: writeback: Drop I_DIRTY_TIME_EXPIRE (v5.9)
14 * fix: removal of [smp_]read_barrier_depends (v5.9)
15 * fix: ext4: indicate via a block bitmap read is prefetched… (v5.9)
16 * fix: ext4: limit the length of per-inode prealloc list (v5.9)
17 * fix: KVM: x86/mmu: Make kvm_mmu_page definition and accessor internal-only (v5.9)
18 * fix: Move mmutrace.h into the mmu/ sub-directory (v5.9)
19 * Kconfig: fix dependency issue when building in-tree without CONFIG_FTRACE
20
68c6ec30
MD		 212020-08-04 (National Chocolate Chip Cookie Day) LTTng modules 2.12.2
22 * Fix: Lock metadata cache on session destroy
23 * Fix: metadata stream leak, missing list removal and locking
24 * Fix: coherent state not changed atomically with metadata written
25 * fix: include module.h for EXPORT_SYMBOL_GPL
26 * fix: __lttng_vmalloc_node_range const caller introduced in v3.6
27 * fix: version range for overflow_callback
28 * fix: global_dirty_limit was introduced in v3.1
29 * fix: wrapper_uprobe_unregister is a void function
30 * fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
31 * fix: vmalloc on v5.8 without KALLSYMS
32 * Detect missing symbols used with kallsyms_lookup at compile time
33 * Use exported symbol bdevname() instead of disk_name()
34 * Add git-review config
35 * fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
36 * fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
37 * fix: block: remove the error argument to the block_bio_complete (v5.8)
38 * fix: pipe_buf_operations rework (v5.8)
39
df4cb9b0
MD		 402020-06-02 (National Leave the Office Early Day (or Simply Stay Home ?) LTTng modules 2.12.1
41 * Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
42 * fix: vmalloc_sync_mappings was backported to v5.5.12
43 * Update: Additional kernel ranges for vmalloc_sync_mappings
44 * Update: Use vmalloc_sync_mappings for stable kernels
45 * Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
46 * fix: add missing guid_t type to wrapper
47 * Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
48 * Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
49 * Unbreak LTTng for kernel 5.7
50 * Move lttng wrappers into own module
51 * Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
52 * instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
53 * instrumentation: update mm_vmscan for kernel >= 5.7.0
54
b7f2fbac
MD		 552020-04-08 (The Day After National Beer Day) LTTng modules 2.12.0
56 * fix: uaccess wrapper for CentOS >= 4.18.0-147
57 * fix: ext4 instrumentation for CentOS >= 4.18.0-147
58 * fix: signal instrumentation for CentOS >= 4.18.0-147
59 * fix: kvm instrumentation for CentOS >= 4.18.0-147
60 * fix: rcu instrumentation for CentOS >= 4.18.0-80
61 * Fix: update kvm instrumentation for Ubuntu 5.3.0-45
62
9753ec23
MD		 632020-03-27 (International Stay At Home Month) LTTng modules 2.12.0-rc3
64 * Fix: update kvm instrumentation for Ubuntu 5.3.0-43
65 * Fix: update kvm instrumentation for Ubuntu 4.15.0-92
66 * statedump: introduce file_table_address
67 * Remove lttng-ftrace integration
68 * Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
69 * Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
70 * Remove work-around for signed tracepoint module tainting (kernel 3.15+)
71
0d5d7b33
MD		 722020-02-25 (National Chocolate Covered Nut Day) LTTng modules 2.12.0-rc2
73 * Fix: lttng-events.c: variable may be used uninitialized
74 * Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
75 * fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
76 * fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
77 * fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
78 * fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
79 * fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
80 * fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
81 * fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
82 * fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
83 * fix: use timespec64 on kernels that have it
84 * fix: move lttng_close_on_exec to proper wrapper
85 * fix: 'struct timex' removed upstream (v5.6)
86 * Fix: statedump: consistently check task_cred_xxx() return value for NULL
87 * Fix: statedump: check task_active_pid_ns return value for NULL
88 * sched: Make the sched_switch task state an enum
89 * block: Make the rwbs field as a bit field enum
90
ada81c8b
MD		 912020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
92 * Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
93 * Version 2.12.0-pre
94 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 5
95 * fix: use user ns wrapper code in new id trackers
96 * fix: function prototype in wrapper/mm.h
97 * ID tracker: implement vpid/uid/vuid/gid/vgid trackers
98 * lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
99 * lttng-clear: stop tracing required
100 * sunrpc: introduce lttng_get_clid helper
101 * Fix: sunrpc: use signed integer for client id
102 * Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
103 * Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
104 * fix: ext4: Reserve revoke credits for freed blocks (v5.5)
105 * fix: btrfs: tracepoints: constify all pointers (v5.5)
106 * fix: btrfs block group struct refactor (v5.5)
107 * fix: y2038: itimer: change implementation to timespec64 (v5.5)
108 * Update .gitignore from upstream
109 * Add missing include for kernels between 3.8 and 3.15
110 * Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
111 * net: Add entry/exit tracepoints for all receive paths
112 * statedump: Add thread ID (tid) to interrupt
113 * metadata: Add the product uuid to the 'env' section
114 * Cleanup: statedump process state event pid namespace fields
115 * Add namespaces statedump
116 * Add uid/gid contexts
117 * Add namespace contexts
118 * README.md: Document LTTNG_TRACEPOINT_EVENT
119 * README.md: cleanup formatting for bullet lists
120 * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
121 * Cleanup: Silence gcc fall-through warning
122 * Fix: update sched prev_state instrumentation for upstream kernel
123 * Fix: gcc-9.1 stack frame size warning
124 * Implement ring buffer clear
125 * Make bitfield.h C++-friendly
126 * Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
127 * Add metadata env fields
128 * Introduce LTTNG_KERNEL_SESSION_SET_NAME
129 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
130 * Fix: missing define when not building with gcc
131 * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
132 * Fix: Don't print ring-buffer's records count when it is not used
133 * Fix: do not set quiescent state on channel destroy
134 * Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
135 * Introduce callstack stackwalk implementation header
136 * Prepare callstack common code for stackwalk
137 * Introduce callstack legacy implementation header
138 * fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
139 * fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
140 * fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
141 * fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
142 * fix: timer/trace: Improve timer tracing (v5.2)
143 * Cleanup: bitfields: streamline use of underscores
144 * Silence compiler "always false comparison" warning
145 * Fix: bitfield: shift undefined/implementation defined behaviors
146 * Fix: timestamp_end field should include all events within sub-buffer
147 * Fix: Remove start and number from syscall_get_arguments() args (v5.1)
148 * lttng abi documentation: clarify getter usage requirements
149 * Fix: don't access packet header for stream_id and stream_instance_id getters
150 * Fix: atomic_long_add_unless() returns a boolean
151 * Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
152 * Fix: pipe: stop using ->can_merge (v5.1)
153 * Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
154 * Fix: mm: create the new vm_fault_t type (v5.1)
155 * Fix: extra-version-git.sh redirect stderr to /dev/null
156 * Move timekeeping blacklisting to a header file
157 * Blacklist: kprobe for arm
158 * Cleanup: tp mempool: Remove logically dead code
159 * Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
160 * Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
161 * Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
162 * Fix: Remove 'type' argument from access_ok() function (v5.0)
163 * Fix: timer instrumentation for RHEL 7.6
164 * Add missing SPDX license identifiers to uprobes
165 * Drop support for kernels < 3.0 from Makefiles
166 * Drop support for kernels < 3.0 from writeback instrumentation
167 * Drop support for kernels < 3.0 from workqueue instrumentation
168 * Drop support for kernels < 3.0 from skb instrumentation
169 * Drop support for kernels < 3.0 from scsi instrumentation
170 * Drop support for kernels < 3.0 from sched instrumentation
171 * Drop support for kernels < 3.0 from power instrumentation
172 * Drop support for kernels < 3.0 from net instrumentation
173 * Drop support for kernels < 3.0 from module instrumentation
174 * Drop support for kernels < 3.0 from mm_vmscan instrumentation
175 * Drop support for kernels < 3.0 from lock instrumentation
176 * Drop support for kernels < 3.0 from kvm instrumentation
177 * Drop support for kernels < 3.0 from kmem instrumentation
178 * Drop support for kernels < 3.0 from jbd2 instrumentation
179 * Drop support for kernels < 3.0 from irq instrumentation
180 * Drop support for kernels < 3.0 from ext4 instrumentation
181 * Drop support for kernels < 3.0 from block instrumentation
182 * Drop support for kernels < 3.0 from lttng-statedump-impl.c
183 * Drop support for kernels < 3.0 from lttng-kernel-version.h
184 * Drop support for kernels < 3.0 from lttng-events.h
185 * Drop support for kernels < 3.0 from lib
186 * Drop spinlock.h wrapper
187 * Drop kstrtox.h wrapper
188 * Drop uuid.h wrapper
189 * Drop vzalloc.h wrapper
190 * Drop support for kernels < 3.0 from tracepoint.h wrapper
191 * Drop support for kernels < 3.0 from perf.h wrapper
192 * Drop support for kernels < 3.0 from atomic.h wrapper
193 * Drop compat patches for kernels < 2.6.36
194 * Bump minimum kernel version to 3.0
195 * Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
196 * Fix: signal: Remove SEND_SIG_FORCED (v4.20)
197 * Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
198 * statedump cpu topology: introduce LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
199 * CPU topology statedump on x86
200 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
201 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
202 * Fix: adapt to kernel relative references
203 * Fix: sync event enablers before choosing header type
204 * Fix: implicit declarations caused by buffer size checks.
205 * Prevent allocation of buffers if exceeding available memory
206 * Fix: btrfs instrumentation namespacing
207 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
208 * Fix: tracing: Centralize preemptirq tracepoints (4.19)
209 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
210 * Fix: access migrate_disable field directly
211 * Fix: out of memory error handling
212 * Fix: uprobes: missing break in lttng_event_ioctl()
213 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
214 * Fix: instruction pointer has different names across arch
215 * Fix: build failures when CONFIG_UPROBES is absent
216 * uprobe: Support multiple call sites for the same uprobe event
217 * uprobe: Receive file descriptor from session instead of path to file
218 * uprobe: Mark uprobe event as registered
219 * Add uprobes support
220 * Fix: adjust SLE version ranges to build with SP2 and SP3
221 * Fix: Allow alphanumeric characters in SLE version
222 * Fix: Adjust range for SuSE 4.4.103-92 kernels
223 * Cleanup: move to kernel style SPDX license identifiers
224 * Cleanup: move scripts to subdirectory
225 * Cleanup: modinfo keys
226 * Add extra version information framework
227 * Revert "Add btrfs file item tracepoints"
228 * Fix: btrfs: Remove unnecessary fs_info parameter
229 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
230 * Fix: asoc: Remove snd_soc_cache_sync() implementation
231 * Fix: asoc: fix printing jack name
232 * Fix: asoc: Consolidate path trace events
233 * Fix: ASoC level IO tracing removed upstream
234 * Enable userspace callstack contexts only on x86
235 * Prevent re-entrancy in callstack-user context
236 * Callstack context: bump number of entries to 128
237 * Fix: callstack context alignment calculation
238 * Cleanup callstack context
239 * Fix callstack context: write empty sequence if no stack trace
240 * Fix: callstack context: false-sharing, bad memory size allocation
241 * callstack context: use delimiter when stack is incomplete
242 * Cleanup callstack context
243 * Add kernel and user callstack contexts
244 * Assign CPU id before saving the context size
245 * Define max nesting count constant
246 * Compute variable sized context length
247 * Pass arguments for context size computation
248 * Add 9p probe
249 * Update delayed ref tracepoints for v3.12
250 * Add btrfs file item tracepoints
251 * Add btrfs tracepoint for em's EEXIST case
252 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
253 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
254 * Fix: lttng filter validator ERANGE error handling
255 * Fix: filter interpreter: use LTTNG_SIZE_MAX
256 * Filter: add FILTER_OP_RETURN_S64 instruction
257 * Perform bitwise ops on unsigned types
258 * Filter: catch shift undefined behavior
259 * Filter: add lshift, rshift, bit not ops
260 * Filter: index array, sequences, implement bitwise binary operators
261 * Fix: pid tracker should track "pgid" for noargs probes
262 * lttng-tp-mempool: perform node-local allocation
263 * Fix: update RCU instrumentation for 4.17
264 * Fix: sunrpc instrumentation for 4.17
265 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
266 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
267 * Update: kvm instrumentation for ubuntu 4.13.0-38
268 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
269 * Fix: btrfs instrumentation namespacing
270 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
271 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
272 * Fix: update kvm instrumentation for 4.1.50+
273 * Use the memory pool instead of kmalloc
274 * Create a memory pool for temporary tracepoint probes storage
275 * Fix: use proper pid_ns in the process statedump
276 * Fix: add variable quoting to shell scripts
277 * Update: kvm instrumentation for fedora 4.14.13-300
278 * Fix: Add Fedora version macros
279 * Add preemptirq instrumentation
280 * Clean-up: fix stale #endif comments
281 * Command to dump the metadata cache again
282 * Add a new /dev/lttng-logger interface
283 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
284 * Fix: update block instrumentation for SuSE 4.4.114-92
285 * Fix: update rcu instrumentation for v4.16
286 * Fix: update vmscan instrumentation for v4.16
287 * Fix: update timer instrumentation on 4.16 and 4.14-rt
288 * Update kvm instrumentation for debian kernel 4.14.0-3
289 * Fix: network instrumentation protocol enum
290 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
291 * Fix: update block instrumentation for SuSE 4.4.73-5
292 * Fix: global_dirty_limit for kernel v4.2 and up
293 * Fix: network instrumentation handling of corrupted TCP headers
294 * Fix: add missing uaccess.h include from kstrtox.h wrapper
295 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
296 * Fix: btrfs_delayed_ref_head was unwired since v3.12
297 * Update kvm instrumentation for debian kernel 4.9.65-3
298 * Fix: debian kernel version parsing
299 * Fix: block instrumentation 4.14+ NULL pointer dereference
300 * Update: kvm instrumentation for 3.16.52 and 3.2.97
301 * Fix: kvm instrumentation for 4.15
302 * Update sock instrumentation for 4.15
303 * Update kvm instrumentation for 4.15
304 * Fix: ACCESS_ONCE() removed in kernel 4.15
305 * Fix: sched instrumentation on stable RT kernels
306 * timer API transition for kernel 4.15
307 * Fix: Don't nest get online cpus
308 * Fix: lttng_channel_syscall_mask() bool use in bitfield
309 * Fix: update kmem instrumentation for kernel 4.15
310 * Fix: lttng_kvmalloc helper NULL pointer OOPS
311
aca13e38
MD		 3122018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
313 * Fix: uprobes: missing break in lttng_event_ioctl()
314 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
315 * Fix: instruction pointer has different names across arch
316 * Fix: build failures when CONFIG_UPROBES is absent
317 * uprobe: Support multiple call sites for the same uprobe event
318 * uprobe: Receive file descriptor from session instead of path to file
319 * uprobe: Mark uprobe event as registered
320 * Add uprobes support
321 * Fix: adjust SLE version ranges to build with SP2 and SP3
322 * Fix: Allow alphanumeric characters in SLE version
323 * Fix: Adjust range for SuSE 4.4.103-92 kernels
324 * Cleanup: move to kernel style SPDX license identifiers
325 * Cleanup: move scripts to subdirectory
326 * Cleanup: modinfo keys
327 * Add extra version information framework
328 * Revert "Add btrfs file item tracepoints"
329 * Fix: btrfs: Remove unnecessary fs_info parameter
330 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
331 * Fix: asoc: Remove snd_soc_cache_sync() implementation
332 * Fix: asoc: fix printing jack name
333 * Fix: asoc: Consolidate path trace events
334 * Fix: ASoC level IO tracing removed upstream
335 * Enable userspace callstack contexts only on x86
336 * Prevent re-entrancy in callstack-user context
337 * Callstack context: bump number of entries to 128
338 * Fix: callstack context alignment calculation
339 * Cleanup callstack context
340 * Fix callstack context: write empty sequence if no stack trace
341 * Fix: callstack context: false-sharing, bad memory size allocation
342 * callstack context: use delimiter when stack is incomplete
343 * Cleanup callstack context
344 * Add kernel and user callstack contexts
345 * Assign CPU id before saving the context size
346 * Define max nesting count constant
347 * Compute variable sized context length
348 * Pass arguments for context size computation
349 * Add 9p probe
350 * Update delayed ref tracepoints for v3.12
351 * Add btrfs file item tracepoints
352 * Add btrfs tracepoint for em's EEXIST case
353 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
354 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
355 * Fix: lttng filter validator ERANGE error handling
356 * Fix: filter interpreter: use LTTNG_SIZE_MAX
357 * Filter: add FILTER_OP_RETURN_S64 instruction
358 * Perform bitwise ops on unsigned types
359 * Filter: catch shift undefined behavior
360 * Filter: add lshift, rshift, bit not ops
361 * Filter: index array, sequences, implement bitwise binary operators
362 * Fix: pid tracker should track "pgid" for noargs probes
363 * lttng-tp-mempool: perform node-local allocation
364 * Fix: update RCU instrumentation for 4.17
365 * Fix: sunrpc instrumentation for 4.17
366 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
367 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
368 * Update: kvm instrumentation for ubuntu 4.13.0-38
369 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
370 * Fix: btrfs instrumentation namespacing
371 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
372 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
373 * Fix: update kvm instrumentation for 4.1.50+
374 * Use the memory pool instead of kmalloc
375 * Create a memory pool for temporary tracepoint probes storage
376 * Fix: use proper pid_ns in the process statedump
377 * Fix: add variable quoting to shell scripts
378 * Update: kvm instrumentation for fedora 4.14.13-300
379 * Fix: Add Fedora version macros
380 * Add preemptirq instrumentation
381 * Clean-up: fix stale #endif comments
382 * Command to dump the metadata cache again
383 * Add a new /dev/lttng-logger interface
384 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
385 * Fix: update block instrumentation for SuSE 4.4.114-92
386 * Fix: update rcu instrumentation for v4.16
387 * Fix: update vmscan instrumentation for v4.16
388 * Fix: update timer instrumentation on 4.16 and 4.14-rt
389 * Update kvm instrumentation for debian kernel 4.14.0-3
390 * Fix: network instrumentation protocol enum
391 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
392 * Fix: update block instrumentation for SuSE 4.4.73-5
393 * Fix: global_dirty_limit for kernel v4.2 and up
394 * Fix: network instrumentation handling of corrupted TCP headers
395 * Fix: add missing uaccess.h include from kstrtox.h wrapper
396 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
397 * Fix: btrfs_delayed_ref_head was unwired since v3.12
398 * Update kvm instrumentation for debian kernel 4.9.65-3
399 * Fix: debian kernel version parsing
400 * Fix: block instrumentation 4.14+ NULL pointer dereference
401 * Update: kvm instrumentation for 3.16.52 and 3.2.97
402 * Fix: kvm instrumentation for 4.15
403 * Update sock instrumentation for 4.15
404 * Update kvm instrumentation for 4.15
405 * Fix: ACCESS_ONCE() removed in kernel 4.15
406 * Fix: sched instrumentation on stable RT kernels
407 * timer API transition for kernel 4.15
408 * Fix: Don't nest get online cpus
409 * Fix: lttng_channel_syscall_mask() bool use in bitfield
410 * Fix: update kmem instrumentation for kernel 4.15
411 * Fix: lttng_kvmalloc helper NULL pointer OOPS
412 * Update version to 2.11.0-pre
413 * Fix: lttng-logger get_user_pages_fast error handling
414 * Fix: update block instrumentation for 4.14 kernel
415 * Revert "Fix: update block instrumentation for kernel 4.14"
416 * Fix: version check error in btrfs instrumentation
417 * Fix: update btrfs instrumentation for kernel 4.14
418 * Fix: update writeback instrumentation for kernel 4.14
419 * Fix: update block instrumentation for kernel 4.14
420 * Fix: vmalloc wrapper on kernel < 2.6.38
421 * Fix: vmalloc wrapper on kernel >= 4.12
422 * Add kmalloc failover to vmalloc
423 * Fix: mmap: caches aliased on virtual addresses
424 * Fix: update ext4 instrumentation for kernel 4.13
425 * Fix: Sleeping function called from invalid context
426 * Fix: sched for v4.11.5-rt1
427 * Make vim users life easier
428 * Rename Makefile.ABI.workarounds to Kbuild.common
429 * Fix: handle missing ftrace header on v4.12
430 * Fix: pid tracker should track "pgid"
431 * Cleanup: typo in lttng pid tracker
432 * Fix: Build ftrace probe on kernels prior to 4.12
433 * Fix: update ftrace probe for kernel 4.12
434 * Fix: update block instrumentation for kernel 4.12
435 * Calculate context length outside of retry loop
436 * Fix: Add support for 4.9.27-rt18 kernel
437 * Fix: update btrfs instrumentation for kernel 4.12
438 * Fix: update ringbuffer for kernel 4.12
439 * Fix: update sched instrumentation for kernel 4.12
440 * Fix: ext3 was completely removed from the kernel in v4.3
441 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
442 * Fix: add "flush empty" ioctl for stream intersection
443 * Revert "Fix: flush empty packets on snapshot channel"
444 * Revert "Fix: don't perform extra flush on metadata channel"
445
a7528254
MD		 4462017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
447 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
448 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
449 * Fix: Always build vmscan probe
450 * Cleanup: formatting in strutils_star_glob_match explanation
451 * Fix: introduce LTTNG_SIZE_MAX for older kernels
452 * Use SIZE_MAX instead of -1ULL for size_t parameter
453 * filter: use SIZE_MAX for size_t
454 * Fix: out of bound array access in filter code
455 * Add support for star globbing patterns in event names
456 * Filtering: add support for star-only globbing patterns
457 * Add string utilities
458 * lttng-abi.c: cleanup whitespaces
459 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
460 * Fix: kref changes for kernel 4.11
461 * Fix: atomic_add_unless() returns true/false rather than prior value
462 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
463 * Fix: update scsi instrumentation for kernel 4.11
464 * Fix: changes to the vm_op fault cb prototype in libringbuffer
465 * Fix: update btrfs instrumentation for kernel 4.11
466 * Fix: update mm_vmscan instrumentation for kernel 4.11
467 * Fix: section mismatch warning caused by __exit annotation
468 * socketpair: extend syscall socketpair tracing information
469 * Remove events/mainline unused headers
470 * update event README
471 * Fix: nmi-safe clock on 32-bit systems
472 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
473 * Fix: 4.10 hotplug adaptation backward compat
474 * Fix: 4.10 btrfs instrumentation update backward compat
475 * Update btrfs instrumentation for 4.10 kernel
476 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
477 * btrfs instrumentation: update to 4.10 kernel
478 * timer instrumentation: adapt to ktime_t without union
479 * Add load/unload messages to kernel log
480 * Update version to 2.10.0-pre
481 * Fix: asoc instrumentation for RHEL 7.3
482 * Fix: SCSI instrumentation for SLES12 SP2
483 * Add SUSE Linux Enterprise kernel version tests
484 * Filter code relicensing to MIT license
485 * Add task cpu in process statedump
486 * Performance: add missing unlikely in reserve
487 * Fix: preemptible and migratable context error handling
488 * Fix: bump stable kernel version ranges for clock work-around
489
f8af63a2
MD		 4902016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
491 * Fix: i2c: support kernels < 3.15
492 * Fix: show warning for broken clock work-around
493 * Bump minor ABI version
494 * Fix: work-around upstream Linux timekeeping bug
495 * Add support for i2c tracepoints
496 * Cleanup: makefile version checks with single "ge"
497 * Performance: special-case NULL in lttng_strlen_user_inatomic
498 * Fix: lttng_inline_memcpy does not take a __user argument
499 * Performance: implement lttng_inline_memcpy
500 * Performance: cache the backend pages pointer in context
501 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
502 * Performance: Only dereference commit index once
503 * Performance: Mark channel and buffer event disabled check unlikely
504 * Performance: Relax atomicity constraints for crash handling
505 * Performance: mark ring buffer do_copy callers always inline
506 * Performance: mark lib_ring_buffer_write always inline
507 * Kconfig: select TRACEPOINTS when built-in
508 * Performance: disable event counting by default
509 * Fix: handle large number of pages or subbuffers per buffer
510 * Fix: unregister cpu hotplug notifier on buffer alloc error
511 * Fix: sa_family is of type unsigned short
512 * Fix: check for sizeof sa_family to save sa_family in accept and connect
513 * Fix: use printk_once() for wrapper warning messages
514 * Fix: btrfs instrumentation for 4.8 kernel
515 * Fix: update mm_vmscan instrumentation for kernel 4.8
516 * Fix: napi instrumentation for 4.8 kernels
517 * Fix: update block instrumentation to compile on 4.8 kernels
518 * Cleanup: reuse code in accept() and accept4() instrumentation
519 * Add x86-64 override for accept4 syscall
520 * Fix: timer wrapper: support kernels >= 4.8
521 * Performance: split check deliver fast/slow paths
522 * Fix: x86-64 accept instrumentation
523 * Fix: Add support for 4.6.4-rt8 kernel
524 * Fix: update scsi instrumentation for 4.7+ kernels
525 * Fix: Use fs_initcall instead of rootfs_initcall
526 * Fix: Add kernel configuration for lttng clock plugin
527 * Fix: the clock plugin must be initiated before first use of the clock
528 * Fix: tests/Kbuild for older kernels
529 * Cleanup: __dynamic_len_idx set but not used warning
530 * Cleanup: coding style and comments of net.h
531 * net: Add TCP header data to net_* tracepoints
532 * net: Add IPv4/IPv6 header data to net_* tracepoints
533 * Fix: endianness for the container type of enum
534 * enumeration autoincrement: use if/else logic
535 * Cleanup trailing whitespaces
536 * lttng-test probe: test ctf_enum_auto()
537 * Add ctf_enum_auto() for autoincrementing enumeration values
538 * Implement session statedump command
539 * Fix: annotate bytecode interpreter for kernel stack validator
540 * Update version to 2.9.0-pre
541 * Fix: ring buffer: honor switch parameter type in remote switch
542 * Fix: only flush non-metadata channels
543 * Fix: don't perform extra flush on metadata channel
544 * select, poll and epoll_wait overrides on ARM 32-bit
545 * Fix: flush empty packets on snapshot channel
546 * Fix: do not generate packet at destroy after stop
547 * Fix: compat ioctl for flush/get metadata version
548 * Fix: ctf_string() should handle NULL pointers
549 * Fix: portability: no arith on void pointer
550 * Fix: add missing tests/Kbuild
551 * Test clock override plugin
552 * Fix: add modules target to base Makefile
553 * Fix: make clean does not include dot-config
554 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
555 * Documentation: document that CONFIG_MODULES not required when builtin
556 * Fix: add missing errno include in random wrapper
557 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
558 * Fix: copy_from_user size when limited allocation
559 * Extract the payload of epoll_wait/epoll_pwait
560 * Extract the payload for epoll_ctl
561 * Extract the FDs and flags from poll and ppoll
562 * Extract the FD sets in select and pselect6
563 * Add ctf_integer_bitfield_type
564 * Implement enumeration type
565 * Implement custom field support
566 * Implement variant type
567 * Implement shadow stack for dynamic len
568 * libringbuffer: implement event too big API
569 * Implement structure, compound array/sequence types
570 * Fix: integer endianness metadata generation
571 * Fix: endianness of integers received by filter
572 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
573 * Fix: RHEL kernel 3.10.0-327.13.1 compat
574 * Fix: ctf_user_integer should not trigger page fault
575 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
576 * Add comment describing ioctl number duplication
577 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
578 * Fix: Remove dead code from filter interpreter
579 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
580 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
581 * Fix: use of uninitialized ret value in lttng_abi_create_event
582 * Fix: kmem instrumentation: remove unused gfpflags.h include
583 * Fix: 4.6 kernel: use in_compat_syscall
584 * Fix: use BUG_ON instead of accessing array subscript above array bounds
585 * Fix: Add granularity to RHEL kernel version checks
586
0dca9206
MD		 5872016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
588 * Bump minor tracer ABI version
589 * Fix: build against out-of-tree kernel build
590 * probes/Kbuild: remove upper level header path
591 * Move leftover relative include paths to system paths
592 * syscall instrumentation: use system headers
593 * tracepoint event instrumentation: use system headers
594 * Use system include path in wrappers
595 * libs: use system include paths
596 * Use system header paths in core implementation files
597 * Use system include paths in root directory headers
598 * Use system include paths in probes
599 * Update gitignore
600 * Use system include paths in lttng-types.h
601 * Use system include paths in lttng-tracepoint-event-impl.h
602 * Use system include path in probes/define_trace.h
603 * Use system include paths in probes/lttng-tracepoint-event-impl.h
604 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
605 * Add makefile directory to include path
606 * Fix: event ctx get size should be after chan ctx
607 * Fix: filter interpreter with userspace strings
608 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
609 * Fix: format address fields as hexadecimal
610 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
611 * Fix: system call instrumentation overrides
612 * Fix: page_alloc wrapper incorrect parenthesis
613 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
614 * Fix: add struct user_msghdr forward declaration for older kernels
615 * Cleanup: Remove unused lttng-types module
616 * Fix: add missing versions and init call for page_alloc wrapper
617 * Fix: Define lttng-tracer metadata only once
618 * Fix: Add CONFIG_LTTNG to modules_install target
619 * Fix: Use kbuild env instead of a custom var KERNELDIR
620 * Update clock offset comment
621 * clock offset: print negative value in metadata
622 * Fix: handle negative clock offset
623 * Fix: sched instrumentation for 4.1-rt11
624 * Add RT patch version macros
625 * Expect filter context identifiers starting with $ctx.
626 * ARM64: wire up compat system calls
627 * Add support for arm64 syscalls
628 * Fix: Ubuntu kernel range for block_rq_complete
629 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
630 * Fix: update vmscan instrumentation for kernel 4.5
631 * Fix: check reference counts for overflow
632 * Fix: RHEL 7.2 scsi instrumentation
633 * Fix: RHEL 7.2 kvm instrumentation
634 * Kconfig: describe both module and in-kernel compilation options
635 * Add comments and indentation to Makefile
636 * Add support for built-in kernel build
637 * Rename sub makefiles to Kbuild
638 * Cleanup sub makefiles
639 * Make goals configurable with CONFIG_LTTNG
640 * Fix: Use generic raw_irqs_disabled_flags
641 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
642 * Fix: update sched instrumentation for kernel 4.4.0
643 * Bump version number for development branch
644 * Fix: interruptible context: reversed logic
645 * Contexts for RT debugging
646 * Fix: instrumentation: v4lv2 missing include
647 * Fix: header size larger than 256 bytes
648 * Instrument x86 page faults
649 * Fix: irq_vectors TRACE_SYSTEM name
650 * Instrument x86_irq_vectors
651 * Fix: tracepoint listing misses last loaded probe
652 * Fix: lttng trace-clock needs to disable preemption
653 * Tracepoint event: add "TP_code_post()"
654 * Implement array and sequence bitfields
655 * Fix: kmem: add mm.h include
656 * Add page frame number (pfn) to kmem page events
657 * Use pfn rather than struct page in ring buffer array
658 * Implement clock plugin support
659 * Command to regenerate the metadata of a session
660 * Fix: writeback instrumentation update for 4.3 Linux kernel
661 * Fix: update sched wakeup instrumentation for 4.3 kernel
662 * Fix: lttng-test build failure for kernels < 3.0
663 * Use 3.18 syscall instrumentation for MIPS32
664 * Update the MIPS32 syscall instrumentation to 3.18
665 * Fix: Move pipe override to the arch specific pointers_override.h
666 * Implement lttng test module
667 * Cleanup: remove logically dead code
668 * Fix: filter validator use after free
669 * Fix: use after free in channel release
670 * Fix: non-enabler events should be disabled by default
671 * Fix: build failure on 2.6.36
672 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
673 * Fix: writeback instrumentation for 4.2 kernels
674 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
675 * Add stream instance id to the packet header
676 * Add a packet sequence number
677 * Fix: kmem probe with Ubuntu 3.13 kernels
678 * Fix: disable kvm probe if lapic.h isn't found
679 * Fix: timer instrumentation for 4.2 kernels
680 * Fix: ext4 instrumentation for 4.2 kernels
681 * Fix: kvm instrumentation for 4.2 kernels
682 * Fix: allow LTTng to be built within kernel tree
683
6842015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD		 685 * Fix: Building the event list fails on fragmented memory
686 * Fix: use after free on metadata cache reallocation
687 * Fix: version checks for kernel 4.0
688 * Fix: Incorrect Ubuntu kernel patchlevel
689 * Fix: cpu-id context should use int type
690 * Implement cpu-id context
691 * Implement cpu_id context for filtering
692 * Fix: context printk mismatch on error
693 * Cleanup: misleading comment about deferrable timer
694 * Fix: arm-32 build
695 * Fix: Update kmem event for Ubuntu's 3.16 kernel
696 * Fix: RHEL 7.1 block instrumentation
697 * Fix: add RHEL version macros
698 * Fix: add missing parenthesis in ubuntu version check
699 * Fix: remove regmap instrumentation for kernels < 4.1
700 * Fix: Update kmem event for recent Ubuntu kernel
701 * Fix: missing statedump end event when block device listing available
702 * Fix: don't generate incorrect macros for debian/ubuntu version check
703 * Revert "Fix: build against Ubuntu kernels"
704 * Fix: build against Ubuntu kernels
705 * Add namespace info in sched_fork and statedump
706 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
707 * Fix: printk instrumentation: remove "condition" tracepoints
708 * Fix: regmap build against kernel 4.0 kernel headers
709 * Add mmu_valid_gen field to mmutrace events
710 * Fix: add missing x86 mmutrace kernel header include
711 * Fix: x86 mmutrace event extra field for kernels >= 3.11
712 * Fix: remove execute flag from kvm.h file
713 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
714 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
715 * Fix: 4.1-rc1 Linux build and regmap instrumentation
716 * Fix: don't clash with older Debian kernel versions
717 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
718 * Fix: discover Debian API
719 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
720 * Fix: atomic.h wrapper for kernels < 2.6.37
721 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
722 * Fix: add missing types.h include for older kernels
723 * Fix: add hlist lttng wrappers
724 * Fix: add struct file_handle forward declaration
725 * Fix: string length calculation reversed user vs kernel args
726 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
727 * Fix: add lttng rcu wrapper to allow tracing RCU
728 * Fix: double-unlock of session mutex
729 * Fix: check that class and instance prototype match
730 * Fix: lttng-events.h check function takes void
731 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
732 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
733 * Fix: Include utsrelease.h in lttng-kernel-version.h
734 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
735 * Fix: old kernels need module.h included before vermagic.h
736 * Fix: net instrumentation for kernels 2.6.39 and below
737 * Fix: version condition in makefile
738 * Implement wrapper around get_pfnblock_flags_mask
739 * Be more restrictive in provider name check
740 * Fix: net instrumentation namespacing
741 * Fix: compaction instrumentation namespacing
742 * Fix: Support 4.x kernel versions in Makefile
743 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
744 * Fix: add missing module.h include to lttng-probe-user.c
745 * Fix: use lttng hlist wrapper in wildcard and filter
746 * Fix: namespace asoc and kmem instrumentation
747 * Fix: update instrumentation after wildcard rebase
748 * Fix: lttng_abi_syscall_list does not need to be exported
749 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
750 * Remove now unused syscalls.h from lttng-modules
751 * Filter: start with enabler "disabled"
752 * Fix coverity warning about sizeof(void **) != sizeof(void *)
753 * Fix length type and text sequence base
754 * Fix: TP_FIELDS: add missing headers
755 * Migrate syscall instrumentation to TP_FIELDS
756 * Migrate tracepoint instrumentation to TP_FIELDS
757 * Implement filtering infrastructure
758 * syscall wildcards: apply syscall filtering
759 * Implement syscall wildcard support
760 * Implement tracepoint wildcard support
761 * Namespace all tracepoints
762 * Implement list.h wrapper for hlist in older kernels
763 * Implement listing of pid tracker content
764 * Implement PID tracking
765 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
766 * Fix: update writeback instrumentation for kernel 4.0+
767 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
768 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
769 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
770 * Fix: missing parenthesis in offset_align_floor
771 * Fix: implement time.h wrapper for FD_ISSET
772 * Fix: update sched instrumentation for 3.19+ kernels
773 * Fix: update rcu instrumentation for 3.19+ kernels
774 * Fix: update scsi instrumentation for 3.19+ kernels
775 * Fix: update module instrumentation for 3.19+ kernels
776 * Fix: Add f_dentry wrapper for 3.19+ kernels
777 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
778 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
779 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
780 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
781 * Conditional compilation introduced by lttng-modules commit
782 * Fix: compaction instrumentation update for 3.14.x stable kernels
783 * Fix: context alignment not properly handled
784 * Fix compilation on Linux kernel >= 3.18.0
785 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
786
af991434
MD		 7872014-10-20 LTTng modules 2.6.0-rc1
788 * Expose lttng-modules ABI version ioctl
789 * Fix: syscall list ioctl number conflict
790 * lttng-modules: fix build for non-x86
791 * Fix: syscall listing of session
792 * Print build warning when writeback probe is disabled
793 * Add atomic.h wrapper for before/after atomic
794 * Fix compilation on Ubuntu 14.10
795 * Fix: export name as text array in writeback
796 * Cleanup: remove unused trace_clock_read32()
797 * Use 3.17 ktime_get_mono_fast_ns() new API
798 * Check for stale version.h files
799 * Fix: compile lttng_statedump_process_ns on Ubuntu
800 * Reverse version check logic in lttng_statedump_process_ns
801 * Fix block_rq_complete TP on Ubuntu kernel
802 * Introduce macros to check Ubuntu kernel version
803 * Sync writeback tracepoints from mainline
804 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
805 * Fix: hander negative get_syscall_nr return value
806 * Fix: statedump: close_on_exec flag backward compat
807 * Fix instrumentation of vmscan for older kernels
808 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
809 * Fix: syscall listing: handle "enable all syscall"
810 * Fix: don't allow disabling syscalls when none are enabled
811 * Fix: syscall: fail disable all if all already disabled
812 * Fix: syscall filtering: NULL pointer deref
813 * Cleanup: list syscall without syscall_entry prefix
814 * Fix: syscall_list_show NULL pointer deref
815 * implement syscall mask getter
816 * Cleanup: lttng-abi.h coding style
817 * syscall listing: show syscall ID
818 * Allow events with same name to be enabled for each channel
819 * ABI: use enable a syscall ABI field name
820 * Implement syscall listing
821 * Fix: tracepoint list anonymous file name
822 * Fix: syscall filtering: disable all syscalls
823 * syscall tracing: input/output parameter handling for all arch
824 * lttng-get-syscall-inout.sh depends on bash
825 * Fix generate syscall header script: add missing escape char
826 * syscall instrumentation: handle copy_from_user return value
827 * Rename LTTng syscall instrumentation macros
828 * Rename LTTng instrumentation macros
829 * Extract input/output arguments from accept and connect syscalls
830 * syscall: extract pipe and pipe2 output args
831 * Remove sys_ prefix from syscall names
832 * System call inout/output arg processing
833 * Update syscall inout table
834 * Add syscall inout table
835 * Extract syscall exit ret value on x86 32/64
836 * Extract system call exit return value
837 * Syscall filtering: apply to syscall exit
838 * System call filtering
839 * asoc.h: fix build with v3.17 kernel
840 * Fix: lttng-modules teardown NULL pointer OOPS
841 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
842 * Modernize README using Markdown
843 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
844 * Add cscope to gitignore
845 * Update kvm instrumentation: compile on 3.17-rc1
846 * Update statedump to 3.17 nsproxy locking
847 * Fix: noargs probes should calculate alignment and event length
848 * Update compaction instrumentation to 3.16 kernel
849 * Update vmscan instrumentation to 3.16 kernel
850
789fd1d0
MD		 8512014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
852 * (no change)
853
37cbcd7c
MD		 8542014-06-27 LTTng modules 2.5.0-rc2
855 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
856 * Fix: statedump handle oom case, handle errors
857 * Fix: correct typo in kernel version number
858 * Fix: blktrace instrumentation for backported branches
859 * Fix: statedump block devices OOPS
860
0d979364
MD		 8612014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
862 * Add TID field to some block_* events
863 * Fix: refuse overwrite mode buffers with less than two subbuffers
864 * Fix: lttng modules system call generation script
865 * Dump FD flags and mode on state dump
866 * Fix: incorrect rwbs field type in block_bio_queue
867 * Fix: blktrace instrumentation for v3.2.58+ stable branch
868 * Fix: pass proper args when writing commit counter
869 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
870 * Fix: allow racy tracepoint string input from kernel and userspace
871 * Statedump event for block devices
872 * Fix: update v4l2 instrumentation to 3.15 kernel
873 * Fix: ext4 update instrumentation to 3.15 kernel
874 * Fix: update block instrumentation to 3.15 kernel
875 * Fix: module instrumentation: update to 3.15 kernel
876 * Adapt to 3.15 tracepoint API
877 * Kernel 3.15 don't define map unmap for pipe
878 * Fix: add missing module version in v4l2 probe
879 * Add V4L2 instrumentation
880 * Fix: rcu instrumentation: add const qualifier to char pointers
881 * Fix: add missing module version information
882 * Use kernel 3.13 syscall tables for MIPS32
883 * Add MIPS32 syscalls extracted from a 3.13 kernel
884 * Fix: block instrumentation: < 3.14 don't have bi_iter
885 * Fix: update btrfs instrumentation to kernel 3.14
886 * Fix: update block layer instrumentation to kernel 3.14
887 * Fix: remove __exit annotation
888 * Fix file permissions for lttng-statedump-impl.c
889 * LTTng logger ABI
890
fb2c3779
MD		 8912014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
892 * Fix: load state dump even if work-around lookup fails
893 * Cleanup: fix comment
894 * Fix: correctly version kvm events to build against v3.0 kernel
895 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
896
4be86211
MD		 8972014-02-14 LTTng modules 2.4.0-rc4
898 * Fix: use after free in ring buffer clients
899 * Fix: Add statedump exit so module is not permanent
900 * Cleanup: move callback init to static initialization
901 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
902
00808267
MD		 9032014-01-29 LTTng modules 2.4.0-rc3
904 * Fix: tracepoint event name mapping at unregister
905 * Fix: tracepoint name remapping
906 * Fix: enable event error path memory corruption
907 * Update kvm instrumentation to Linux 3.13
908 * Update sched instrumentation to Linux 3.13
909 * Fix: provide more precise error report for enable event
910 * Fix: quote event name in metadata
911 * Add version info to lttng-tracer.ko modinfo
912
0aa12233
MD		 9132013-12-10 LTTng modules 2.4.0-rc2
914 * Fix: client_packet_header() uses wrong packet
915 * Cleanup: fix typo in ring buffer backend comment
916 * Fix: handle unknown event type parameter
917 * Fix: eliminate timestamp overlap between packets
918 * gcc blacklist: only apply when building with gcc
919 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
920
223ca7c5
MD		 9212013-11-15 LTTng modules 2.4.0-rc1
922 * Update ext4 instrumentation to Linux 3.12
923 * Update RCU instrumentation to Linux 3.12
924 * Update btrfs instrumentation to 3.12 kernel
925 * Update vmscan instrumentation to Linux 3.12
926 * update: kmem instrumentation 3.12 kernel support
927 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
928 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
929 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
930 * Add new tracepoint in KVM
931 * Blacklist kernels 3.10.13 and 3.11.2
932 * LTTng trace-clock: shrink kernel blacklist
933 * Metadata flush writes data from the cache
934 * Per-stream ioctl to get the current timestamp
935 * LTTng ringbuffer ABI calls for index generation
936 * Prepare LTTng override of ring buffer fops
937 * Blacklist Linux kernels 3.10+
938
78c8710b
MD		 9392013-09-03 LTTng modules 2.3.0
940 * Fix: metadata stream should not reference session
941 * Fix: btrfs: support 3.11 Linux kernel
942 * statedump: remove KERN_DEBUG messages
943 * Fix: ext4: add missing tracepoints for 3.11 kernel
944 * Fix: ext4: Linux 3.11 support
945 * Fix: ext3: 3.11 Linux support
946 * Fix: statedump nsproxy 3.11 Linux support
947
cf7ae3e6
MD		 9482013-08-30 LTTng modules 2.3.0-rc2
949 * Fix: metadata lttng channel refcount
950 * README: lttng-modules incompatible with lttng 0.x patchset
951
54207845
MD		 9522013-07-17 LTTng modules 2.3.0-rc1
953 * Fix: kvm x86 probes side-effect
954 * Fix: allow get/put subbuf in loop for metadata stream
955 * Add support for kvm x86 specific tracepoints
956 * Add mainline headers for kvm x86 tracepoints
957 * Remove old 3.0.4 x86-64 extracted syscall info
958 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
959 * Add syscalls extracted files from a 3.10-rc7 kernel
960 * Improve documentation of the syscall extractor script
961 * Fix: double length of __dynamic_len array
962 * Fix printk instrumentation
963 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
964 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
965 * Fix: SWITCH_FLUSH new sub-buffer checks
966 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
967 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
968 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
969 * Fix: handle writes of length 0
970 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
971 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
972 * print warning and return -EBUSY on double get_subbuf()
973 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
974 * Fix: don't do 0 byte event reservation
975 * Document that payload size need to be greater than 0
976 * Fix build and load against linux-2.6.33.x
977 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
978 * Metadata cache and multiple metadata channels
979 * fix block instrumentation probe signature mismatch for 3.9.x kernels
980 * fix: block instrumentation: NULL pointer dereference
981 * Update rcu instrumentation to 3.9.[0-4]
982 * Fix CPU hotplug section mismatches
983 * Add system calls definitions for powerpc-32
984 * Remove bashism in lttng-syscalls-generate-headers.sh
985 * Update ARM (32 bit) syscall tracepoints to 3.4
986
88c5f61b
MD		 9872013-05-09 LTTng modules 2.2.0-rc2
988 * Remove useless lttng_metadata probe
989 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
990 * Fix: 3.9.0 block layer instrumentation build
991 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
992 * Stop build if CONFIG_TRACEPOINTS is not set
993 * Add comments to endifs.
994 * Fix: remove ARM set_tls system call override
995 * Cleanup: arm sys_mmap whitespace
996 * Clean up using global_dirty_limit wrapper for writeback probe
997
78062c79
MD		 9982013-03-29 LTTng modules 2.2.0-rc1
999 * Update README
1000 * Fix: vmscan instrumentation build
1001 * writeback instrumentation: remove duplicated structures
1002 * block: update instrumentation to 3.9 rc kernel
1003 * rcu: update to 3.9 rc kernel instrumentation
1004 * workqueue instrumentation: remove duplicated structures
1005 * Rename odd event names
1006 * Introduce API to remap event names exposed by LTTng
1007 * lttng-module: sched.h: Fix compilation on 3.9 kernel
1008 * Fix Linux 3.8 btrfs probe warning
1009 * Fix Linux 3.8 ext4 probe support
1010 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
1011 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
1012 * instrumentation sched: add missing fork pid info
1013 * Fix check in lttng_strlen_user_inatomic
1014 * instrumentation: sync with Linux commit a1ce392
1015 * Fix: statedump: missing locking, use lttng_iterate_fd
1016 * Implement lttng_iterate_fd wrapper
1017 * Instrumentation cleanup: kmem events should print hex pointers
1018 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
1019 * Fix: statedump hang/too early completion due to logic error
1020 * Fix: statedump hang due to incorrect wait/wakeup use
1021 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
1022 * wrapper/perf.h: Fix kernel version condition
1023 * Add new kernel probes instrumentation
1024 * Update kernel probes to more detailed match to kernel versions
1025 * Fix possible kernel build errors with linux-patches
1026 * Add missing MIT license text to 3 files under this license
1027 * Update sites using kernel version checking macro to new range
1028 * Make upper bound of kernel version checking macro exclusive
1029 * sock instrumentation: fix fields to get referenced values
1030 * ext3 instrumentation: fix of assignment code conversion
1031 * sched instrumentation: rename "pid" fields in sched_process_exec
1032 * Remove remaining semicolons in TP_fast_assign blocks
1033 * Fix compilation for 3.0 kernels that are named 2.6.40
1034 * Fix compilation for 3.0 branch (>= 3.0.39)
1035 * Add kernel version checking macro
1036 * Remove semicolons in TP_fast_assign blocks
1037 * Add ifdefs to net probe to support Linux 2.6.39
1038 * Add kernel probes for supplementary subsystems
1039 * Check if interrupt action name is not null in statedump
1040 * Fix exec instrumentation: only for kernels 3.4.0 and higher
1041 * Add TRACE_EVENT(sched_process_exec) to sched.h
1042 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
1043 * Fix warning with 3.6.0 kernel
1044 * ABI with support for compat 32/64 bits
1045 * Perform calculation on bit size in 64-bit
1046 * Use uint64_t for packet header content size and packet size
1047 * Fix: compat layer only on supported architectures
1048 * Fix ring buffer 32/64 bits compat
1049 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
1050 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
1051 * Fix: statedump missing check for NULL namespace
1052
7cb1d0ee
MD		 10532012-09-10 LTTng modules 2.1.0-rc1
1054 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
1055 * Support for linux kernels 2.6.32 through 2.6.37
1056 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
1057 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
1058 * Add env hostname information
1059 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
1060 * lttng_statedump_process_state for each PID NS
1061 * Support the hostname context
1062 * Fix: statedump namespaced pid, tid and ppid
1063 * Fix: statedump: disable vm maps enumeration
1064 * Fix: ensure userspace accesses are done with _inatomic
1065 * Fix: vppid context should test for current nsproxy
1066 * Add MIPS system call support
1067 * Change mode of lttng-syscalls-generate-headers.sh to 755
1068 * cleanup: fix typo in syscall instrumentation header
1069 * Cleanup: remove trailing whitespace in README
1070 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
1071 * LTTng: probe-statedump: add #include <linux/sched.h>
1072 * fix: signal_generate event should print utf8 for comm field
1073 * Makes write operation a parameter for tp_memcpy macro
1074 * Add coding style document
1075 * Update instrumentation/events README file
1076 * Add makefile target for preprocessor
1077 * Fix: free_event_id check should compare unsigned int with -1U
1078 * Use unsigned long type for events discarded counter
1079 * Fix: update signal instrumentation for 3.4 kernel
1080 * LTTng Modules ARM syscall instrumentation
1081 * Fix: generate header missing echo -e for escape chars
1082 * Fix: add missing uaccess.h include (for ARM)
1083 * README: Document that CONFIG_MODULES is required
1084 * Fix: README typo
1085 * Fix: document required and optional kernel config options in README
1086
d2a9270f
MD		 10872012-03-29 LTTng modules 2.0.1
1088 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
1089
10902012-03-20 LTTng modules 2.0.0
730e5783
MD		 1091 * First STABLE version
1092 * Add version name
1093
63be4822
MD		 10942012-03-20 LTTng modules 2.0.0-rc4
1095 * Update README and add version name place-holder
1096
1bca821c
MD		 10972012-03-16 LTTng modules 2.0.0-rc3
1098 * Fix clock offset 32-bit multiplication overflow
1099 * Fix : wrong assign of fd in state dump
1100 * License cleanup, ifdef namespace cleanup
1101 * Fix: ensure power of 2 check handles 64-bit size_t entirely
1102
4d1704b6
MD		 11032012-03-02 LTTng modules 2.0.0-rc2
1104 * Fix: dmesg printout should not print metadata warnings
1105 * Fix: use transport name as channel name
1106 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
1107
f66cbcc8
MD		 11082012-02-20 LTTng modules 2.0.0-rc1
1109 * Standardize version across toolchain
1110 * statedump: Use old macro name for kernel 2.6.38
1111
2646f1db
MD		 11122012-02-16 LTTng modules 2.0-pre15
1113 * Add timer instrumentation
1114 * fix: need to undef mainline define
1115 * fix: Include signal.h instead of irq.h for prototype match check
1116 * Add signal instrumentation
1117
3e8b3fb8
MD		 11182012-02-16 LTTng modules 2.0-pre14
1119 * syscall tracing: sys_getcpu
1120 * Add sys_clone x86 instrumentation
1121 * statedump: fix include circular dep
1122 * Implement state dump
1123
ed5a7a8f
MD		 11242012-02-09 LTTng modules 2.0-pre13
1125 * Update README
1126 * environment: write sysname, release, version, domain to metadata
1127 * Allow open /proc/lttng for read & write
1128
497051bd
MD		 11292012-02-02 LTTng modules 2.0-pre12
1130 * Add x86 32/64 execve syscall instrumentation override
1131 * Remove unused defines
1132 * Add padding to ABI
1133 * Use LTTNG_KERNEL_SYM_NAME_LEN
1134 * Update version to 1.9.9
1135 * Add missing double-quotes to clock uuid
1136 * clock: read bootid as clock monotonic ID
1137 * Fix comment
1138 * Cleanup comment
1139 * clock: output clock description in metadata
1140 * Properly fix the timekeeping overflow detection
1141 * Fix init bug
1142 * rename lib-ring-buffer to lttng-lib-ring-buffer
1143 * Remove #warning
1144 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
1145 * Update TODO
1146 * Update TODO
1147 * Remove debugfs file (keep only proc file)
1148 * Rename lttng-debugfs-abi files to lttng-abi
1149
4d3e89e3
MD		 11502011-12-13 LTTng modules 2.0-pre11
1151 * Fix OOPS caused by reference of config pointer
1152 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
1153 * lttng lib: ring buffer move null pointer check to open
1154 * lttng lib: ring buffer remove duplicate null pointer
1155 * lttng lib: ring buffer: remove stale null-pointer
1156 * lttng wrapper: add missing include to kallsyms wrapper
1157 * lttng: cleanup one-bit signed bitfields
1158 * Add TODO file
1159 * Update symbol name length max size to 256
1160 * Fix last modifications to string_from_user operations
1161 * Document that depmod needs to be executed by hand
1162 * Fix strlen_user fault space reservation
1163 * Fix tp_copy_string_from_user handling of faults
1164 * Disable block layer tracing support for kernels < 2.6.38
1165 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
1166 * Update trace clock warning to match the current development plan
1167 * ringbuffer: make ring buffer printk less verbose
1168 * Makefile: do not run depmod manually
1169
e2222c2e
MD		 11702011-09-30 LTTng modules 2.0-pre10
1171 * x86-32: override sys_mmap syscall instrumentation
1172 * Fix cast warning
1173
bfb508ed
MD		 11742011-09-29 LTTng modules 2.0-pre9
1175 * x86 32 syscalls: fix !CONFIG_UID16
1176 * Use __string_from_user
1177 * Add __string_from_user
1178 * Rename "comm" context to "procname"
1179 * Fetch "type" name field for mount syscall
1180 * Create common override file for all architectures
1181 * Shrink stack size usage
1182 * Cleanup: remove unused lttng-compat-syscalls.c file
1183 * Support detailed compat syscalls on x86_64
1184 * Fix syscall table
1185 * Add disabled compat syscalls detail (work in progress)
1186 * Add config compat support for detailed x86_32 syscalls
1187 * Handle newer 3.1+ perf API
1188 * Add dummy x86-32 override headers
1189 * Bind x86-32 syscall headers
1190 * Add x86-32 syscall headers
1191 * Add check for KALLSYMS_ALL in syscall extraction script
1192 * Automate string extraction for syscalls
1193 * Automate syscall filename/pathname extraction
1194 * Add exit to ring_buffer_frontend so module is unloadable
1195 * Add sys_open filename (x86_64)
1196 * Add missing memcpy callback
1197 * copy_from_user and memset
1198 * Add missing alignment after header write
1199 * lib ring buffer: add frontend init as module_init
1200 * lib ring buffer frontend: add missing lock initialization
1201 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
1202 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
1203 * Create override for sys_mmap
1204 * Rename syscalls -> syscall in LTTng ABI
1205 * Use different event name for compat syscalls
1206 * Allow trace syscall table override
1207 * Add dummy override files
1208 * syscall detail: add override capability
1209 * Add pointer pretty-print heuristics
1210 * Add __field_hex
1211 * Rename sys exit errno into ret
1212 * Enable detailed syscalls only for native x86_64
1213 * Use "unknown" for compat syscalls
1214 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
1215 * Fix syscall exit
1216 * Fix sys exit
1217 * Only enable detailed syscalls for x86_64 for now
1218 * Merge unknown syscall method with extended detail method
1219 * Add underscore prefix before event names
1220 * Add syscalls pointers detailed syscall tracing
1221 * Use perl for regexp
1222 * Support generation of syscall probes for those with pointers
1223 * Support detailed syscalls with 0 arguments
1224 * detailed syscall tracing (work in progress)
1225 * Expose /proc/lttng file
1226 * Implement detailed syscall event probe
1227 * Disable perf build for < 2.6.33 kernels
1228 * Syscall detail mode: generate syscall table
1229 * block instrumentation: write cmd as hex sequence
1230 * lttng-events TRACE_EVENT generator cleanup
1231 * block layer instrumentation: fix cmd field
1232 * Remove 0 args syscalls for now from type-aware syscall cb generator
1233 * Generate trace syscall table macros
1234 * Put syscall tracing without arg types back in place
1235 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
1236 * lttng events probes: don't clash with "ctx" variable name
1237 * lib ring buffer must take private pointer copy before decrementing refcount
1238
47655e60
MD		 12392011-08-16 LTTng modules 2.0-pre8
1240 * Fix metadata buffer wait/wakeup
1241
99a93317
MD		 12422011-08-12 LTTng modules 2.0-pre7
1243 * Add missing module refcount to lttng_tracepoint_list_fops
1244 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
LTTng 2.0/0.x modules
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