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Version 2.12.2
[lttng-modules.git] / ChangeLog
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68c6ec30
MD		 12020-08-04 (National Chocolate Chip Cookie Day) LTTng modules 2.12.2
2 * Fix: Lock metadata cache on session destroy
3 * Fix: metadata stream leak, missing list removal and locking
4 * Fix: coherent state not changed atomically with metadata written
5 * fix: include module.h for EXPORT_SYMBOL_GPL
6 * fix: __lttng_vmalloc_node_range const caller introduced in v3.6
7 * fix: version range for overflow_callback
8 * fix: global_dirty_limit was introduced in v3.1
9 * fix: wrapper_uprobe_unregister is a void function
10 * fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
11 * fix: vmalloc on v5.8 without KALLSYMS
12 * Detect missing symbols used with kallsyms_lookup at compile time
13 * Use exported symbol bdevname() instead of disk_name()
14 * Add git-review config
15 * fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
16 * fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
17 * fix: block: remove the error argument to the block_bio_complete (v5.8)
18 * fix: pipe_buf_operations rework (v5.8)
19
df4cb9b0
MD		 202020-06-02 (National Leave the Office Early Day (or Simply Stay Home ?) LTTng modules 2.12.1
21 * Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
22 * fix: vmalloc_sync_mappings was backported to v5.5.12
23 * Update: Additional kernel ranges for vmalloc_sync_mappings
24 * Update: Use vmalloc_sync_mappings for stable kernels
25 * Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
26 * fix: add missing guid_t type to wrapper
27 * Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
28 * Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
29 * Unbreak LTTng for kernel 5.7
30 * Move lttng wrappers into own module
31 * Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
32 * instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
33 * instrumentation: update mm_vmscan for kernel >= 5.7.0
34
b7f2fbac
MD		 352020-04-08 (The Day After National Beer Day) LTTng modules 2.12.0
36 * fix: uaccess wrapper for CentOS >= 4.18.0-147
37 * fix: ext4 instrumentation for CentOS >= 4.18.0-147
38 * fix: signal instrumentation for CentOS >= 4.18.0-147
39 * fix: kvm instrumentation for CentOS >= 4.18.0-147
40 * fix: rcu instrumentation for CentOS >= 4.18.0-80
41 * Fix: update kvm instrumentation for Ubuntu 5.3.0-45
42
9753ec23
MD		 432020-03-27 (International Stay At Home Month) LTTng modules 2.12.0-rc3
44 * Fix: update kvm instrumentation for Ubuntu 5.3.0-43
45 * Fix: update kvm instrumentation for Ubuntu 4.15.0-92
46 * statedump: introduce file_table_address
47 * Remove lttng-ftrace integration
48 * Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
49 * Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
50 * Remove work-around for signed tracepoint module tainting (kernel 3.15+)
51
0d5d7b33
MD		 522020-02-25 (National Chocolate Covered Nut Day) LTTng modules 2.12.0-rc2
53 * Fix: lttng-events.c: variable may be used uninitialized
54 * Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
55 * fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
56 * fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
57 * fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
58 * fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
59 * fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
60 * fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
61 * fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
62 * fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
63 * fix: use timespec64 on kernels that have it
64 * fix: move lttng_close_on_exec to proper wrapper
65 * fix: 'struct timex' removed upstream (v5.6)
66 * Fix: statedump: consistently check task_cred_xxx() return value for NULL
67 * Fix: statedump: check task_active_pid_ns return value for NULL
68 * sched: Make the sched_switch task state an enum
69 * block: Make the rwbs field as a bit field enum
70
ada81c8b
MD		 712020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
72 * Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
73 * Version 2.12.0-pre
74 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 5
75 * fix: use user ns wrapper code in new id trackers
76 * fix: function prototype in wrapper/mm.h
77 * ID tracker: implement vpid/uid/vuid/gid/vgid trackers
78 * lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
79 * lttng-clear: stop tracing required
80 * sunrpc: introduce lttng_get_clid helper
81 * Fix: sunrpc: use signed integer for client id
82 * Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
83 * Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
84 * fix: ext4: Reserve revoke credits for freed blocks (v5.5)
85 * fix: btrfs: tracepoints: constify all pointers (v5.5)
86 * fix: btrfs block group struct refactor (v5.5)
87 * fix: y2038: itimer: change implementation to timespec64 (v5.5)
88 * Update .gitignore from upstream
89 * Add missing include for kernels between 3.8 and 3.15
90 * Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
91 * net: Add entry/exit tracepoints for all receive paths
92 * statedump: Add thread ID (tid) to interrupt
93 * metadata: Add the product uuid to the 'env' section
94 * Cleanup: statedump process state event pid namespace fields
95 * Add namespaces statedump
96 * Add uid/gid contexts
97 * Add namespace contexts
98 * README.md: Document LTTNG_TRACEPOINT_EVENT
99 * README.md: cleanup formatting for bullet lists
100 * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
101 * Cleanup: Silence gcc fall-through warning
102 * Fix: update sched prev_state instrumentation for upstream kernel
103 * Fix: gcc-9.1 stack frame size warning
104 * Implement ring buffer clear
105 * Make bitfield.h C++-friendly
106 * Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
107 * Add metadata env fields
108 * Introduce LTTNG_KERNEL_SESSION_SET_NAME
109 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
110 * Fix: missing define when not building with gcc
111 * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
112 * Fix: Don't print ring-buffer's records count when it is not used
113 * Fix: do not set quiescent state on channel destroy
114 * Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
115 * Introduce callstack stackwalk implementation header
116 * Prepare callstack common code for stackwalk
117 * Introduce callstack legacy implementation header
118 * fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
119 * fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
120 * fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
121 * fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
122 * fix: timer/trace: Improve timer tracing (v5.2)
123 * Cleanup: bitfields: streamline use of underscores
124 * Silence compiler "always false comparison" warning
125 * Fix: bitfield: shift undefined/implementation defined behaviors
126 * Fix: timestamp_end field should include all events within sub-buffer
127 * Fix: Remove start and number from syscall_get_arguments() args (v5.1)
128 * lttng abi documentation: clarify getter usage requirements
129 * Fix: don't access packet header for stream_id and stream_instance_id getters
130 * Fix: atomic_long_add_unless() returns a boolean
131 * Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
132 * Fix: pipe: stop using ->can_merge (v5.1)
133 * Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
134 * Fix: mm: create the new vm_fault_t type (v5.1)
135 * Fix: extra-version-git.sh redirect stderr to /dev/null
136 * Move timekeeping blacklisting to a header file
137 * Blacklist: kprobe for arm
138 * Cleanup: tp mempool: Remove logically dead code
139 * Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
140 * Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
141 * Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
142 * Fix: Remove 'type' argument from access_ok() function (v5.0)
143 * Fix: timer instrumentation for RHEL 7.6
144 * Add missing SPDX license identifiers to uprobes
145 * Drop support for kernels < 3.0 from Makefiles
146 * Drop support for kernels < 3.0 from writeback instrumentation
147 * Drop support for kernels < 3.0 from workqueue instrumentation
148 * Drop support for kernels < 3.0 from skb instrumentation
149 * Drop support for kernels < 3.0 from scsi instrumentation
150 * Drop support for kernels < 3.0 from sched instrumentation
151 * Drop support for kernels < 3.0 from power instrumentation
152 * Drop support for kernels < 3.0 from net instrumentation
153 * Drop support for kernels < 3.0 from module instrumentation
154 * Drop support for kernels < 3.0 from mm_vmscan instrumentation
155 * Drop support for kernels < 3.0 from lock instrumentation
156 * Drop support for kernels < 3.0 from kvm instrumentation
157 * Drop support for kernels < 3.0 from kmem instrumentation
158 * Drop support for kernels < 3.0 from jbd2 instrumentation
159 * Drop support for kernels < 3.0 from irq instrumentation
160 * Drop support for kernels < 3.0 from ext4 instrumentation
161 * Drop support for kernels < 3.0 from block instrumentation
162 * Drop support for kernels < 3.0 from lttng-statedump-impl.c
163 * Drop support for kernels < 3.0 from lttng-kernel-version.h
164 * Drop support for kernels < 3.0 from lttng-events.h
165 * Drop support for kernels < 3.0 from lib
166 * Drop spinlock.h wrapper
167 * Drop kstrtox.h wrapper
168 * Drop uuid.h wrapper
169 * Drop vzalloc.h wrapper
170 * Drop support for kernels < 3.0 from tracepoint.h wrapper
171 * Drop support for kernels < 3.0 from perf.h wrapper
172 * Drop support for kernels < 3.0 from atomic.h wrapper
173 * Drop compat patches for kernels < 2.6.36
174 * Bump minimum kernel version to 3.0
175 * Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
176 * Fix: signal: Remove SEND_SIG_FORCED (v4.20)
177 * Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
178 * statedump cpu topology: introduce LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
179 * CPU topology statedump on x86
180 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
181 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
182 * Fix: adapt to kernel relative references
183 * Fix: sync event enablers before choosing header type
184 * Fix: implicit declarations caused by buffer size checks.
185 * Prevent allocation of buffers if exceeding available memory
186 * Fix: btrfs instrumentation namespacing
187 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
188 * Fix: tracing: Centralize preemptirq tracepoints (4.19)
189 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
190 * Fix: access migrate_disable field directly
191 * Fix: out of memory error handling
192 * Fix: uprobes: missing break in lttng_event_ioctl()
193 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
194 * Fix: instruction pointer has different names across arch
195 * Fix: build failures when CONFIG_UPROBES is absent
196 * uprobe: Support multiple call sites for the same uprobe event
197 * uprobe: Receive file descriptor from session instead of path to file
198 * uprobe: Mark uprobe event as registered
199 * Add uprobes support
200 * Fix: adjust SLE version ranges to build with SP2 and SP3
201 * Fix: Allow alphanumeric characters in SLE version
202 * Fix: Adjust range for SuSE 4.4.103-92 kernels
203 * Cleanup: move to kernel style SPDX license identifiers
204 * Cleanup: move scripts to subdirectory
205 * Cleanup: modinfo keys
206 * Add extra version information framework
207 * Revert "Add btrfs file item tracepoints"
208 * Fix: btrfs: Remove unnecessary fs_info parameter
209 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
210 * Fix: asoc: Remove snd_soc_cache_sync() implementation
211 * Fix: asoc: fix printing jack name
212 * Fix: asoc: Consolidate path trace events
213 * Fix: ASoC level IO tracing removed upstream
214 * Enable userspace callstack contexts only on x86
215 * Prevent re-entrancy in callstack-user context
216 * Callstack context: bump number of entries to 128
217 * Fix: callstack context alignment calculation
218 * Cleanup callstack context
219 * Fix callstack context: write empty sequence if no stack trace
220 * Fix: callstack context: false-sharing, bad memory size allocation
221 * callstack context: use delimiter when stack is incomplete
222 * Cleanup callstack context
223 * Add kernel and user callstack contexts
224 * Assign CPU id before saving the context size
225 * Define max nesting count constant
226 * Compute variable sized context length
227 * Pass arguments for context size computation
228 * Add 9p probe
229 * Update delayed ref tracepoints for v3.12
230 * Add btrfs file item tracepoints
231 * Add btrfs tracepoint for em's EEXIST case
232 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
233 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
234 * Fix: lttng filter validator ERANGE error handling
235 * Fix: filter interpreter: use LTTNG_SIZE_MAX
236 * Filter: add FILTER_OP_RETURN_S64 instruction
237 * Perform bitwise ops on unsigned types
238 * Filter: catch shift undefined behavior
239 * Filter: add lshift, rshift, bit not ops
240 * Filter: index array, sequences, implement bitwise binary operators
241 * Fix: pid tracker should track "pgid" for noargs probes
242 * lttng-tp-mempool: perform node-local allocation
243 * Fix: update RCU instrumentation for 4.17
244 * Fix: sunrpc instrumentation for 4.17
245 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
246 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
247 * Update: kvm instrumentation for ubuntu 4.13.0-38
248 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
249 * Fix: btrfs instrumentation namespacing
250 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
251 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
252 * Fix: update kvm instrumentation for 4.1.50+
253 * Use the memory pool instead of kmalloc
254 * Create a memory pool for temporary tracepoint probes storage
255 * Fix: use proper pid_ns in the process statedump
256 * Fix: add variable quoting to shell scripts
257 * Update: kvm instrumentation for fedora 4.14.13-300
258 * Fix: Add Fedora version macros
259 * Add preemptirq instrumentation
260 * Clean-up: fix stale #endif comments
261 * Command to dump the metadata cache again
262 * Add a new /dev/lttng-logger interface
263 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
264 * Fix: update block instrumentation for SuSE 4.4.114-92
265 * Fix: update rcu instrumentation for v4.16
266 * Fix: update vmscan instrumentation for v4.16
267 * Fix: update timer instrumentation on 4.16 and 4.14-rt
268 * Update kvm instrumentation for debian kernel 4.14.0-3
269 * Fix: network instrumentation protocol enum
270 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
271 * Fix: update block instrumentation for SuSE 4.4.73-5
272 * Fix: global_dirty_limit for kernel v4.2 and up
273 * Fix: network instrumentation handling of corrupted TCP headers
274 * Fix: add missing uaccess.h include from kstrtox.h wrapper
275 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
276 * Fix: btrfs_delayed_ref_head was unwired since v3.12
277 * Update kvm instrumentation for debian kernel 4.9.65-3
278 * Fix: debian kernel version parsing
279 * Fix: block instrumentation 4.14+ NULL pointer dereference
280 * Update: kvm instrumentation for 3.16.52 and 3.2.97
281 * Fix: kvm instrumentation for 4.15
282 * Update sock instrumentation for 4.15
283 * Update kvm instrumentation for 4.15
284 * Fix: ACCESS_ONCE() removed in kernel 4.15
285 * Fix: sched instrumentation on stable RT kernels
286 * timer API transition for kernel 4.15
287 * Fix: Don't nest get online cpus
288 * Fix: lttng_channel_syscall_mask() bool use in bitfield
289 * Fix: update kmem instrumentation for kernel 4.15
290 * Fix: lttng_kvmalloc helper NULL pointer OOPS
291
aca13e38
MD		 2922018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
293 * Fix: uprobes: missing break in lttng_event_ioctl()
294 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
295 * Fix: instruction pointer has different names across arch
296 * Fix: build failures when CONFIG_UPROBES is absent
297 * uprobe: Support multiple call sites for the same uprobe event
298 * uprobe: Receive file descriptor from session instead of path to file
299 * uprobe: Mark uprobe event as registered
300 * Add uprobes support
301 * Fix: adjust SLE version ranges to build with SP2 and SP3
302 * Fix: Allow alphanumeric characters in SLE version
303 * Fix: Adjust range for SuSE 4.4.103-92 kernels
304 * Cleanup: move to kernel style SPDX license identifiers
305 * Cleanup: move scripts to subdirectory
306 * Cleanup: modinfo keys
307 * Add extra version information framework
308 * Revert "Add btrfs file item tracepoints"
309 * Fix: btrfs: Remove unnecessary fs_info parameter
310 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
311 * Fix: asoc: Remove snd_soc_cache_sync() implementation
312 * Fix: asoc: fix printing jack name
313 * Fix: asoc: Consolidate path trace events
314 * Fix: ASoC level IO tracing removed upstream
315 * Enable userspace callstack contexts only on x86
316 * Prevent re-entrancy in callstack-user context
317 * Callstack context: bump number of entries to 128
318 * Fix: callstack context alignment calculation
319 * Cleanup callstack context
320 * Fix callstack context: write empty sequence if no stack trace
321 * Fix: callstack context: false-sharing, bad memory size allocation
322 * callstack context: use delimiter when stack is incomplete
323 * Cleanup callstack context
324 * Add kernel and user callstack contexts
325 * Assign CPU id before saving the context size
326 * Define max nesting count constant
327 * Compute variable sized context length
328 * Pass arguments for context size computation
329 * Add 9p probe
330 * Update delayed ref tracepoints for v3.12
331 * Add btrfs file item tracepoints
332 * Add btrfs tracepoint for em's EEXIST case
333 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
334 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
335 * Fix: lttng filter validator ERANGE error handling
336 * Fix: filter interpreter: use LTTNG_SIZE_MAX
337 * Filter: add FILTER_OP_RETURN_S64 instruction
338 * Perform bitwise ops on unsigned types
339 * Filter: catch shift undefined behavior
340 * Filter: add lshift, rshift, bit not ops
341 * Filter: index array, sequences, implement bitwise binary operators
342 * Fix: pid tracker should track "pgid" for noargs probes
343 * lttng-tp-mempool: perform node-local allocation
344 * Fix: update RCU instrumentation for 4.17
345 * Fix: sunrpc instrumentation for 4.17
346 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
347 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
348 * Update: kvm instrumentation for ubuntu 4.13.0-38
349 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
350 * Fix: btrfs instrumentation namespacing
351 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
352 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
353 * Fix: update kvm instrumentation for 4.1.50+
354 * Use the memory pool instead of kmalloc
355 * Create a memory pool for temporary tracepoint probes storage
356 * Fix: use proper pid_ns in the process statedump
357 * Fix: add variable quoting to shell scripts
358 * Update: kvm instrumentation for fedora 4.14.13-300
359 * Fix: Add Fedora version macros
360 * Add preemptirq instrumentation
361 * Clean-up: fix stale #endif comments
362 * Command to dump the metadata cache again
363 * Add a new /dev/lttng-logger interface
364 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
365 * Fix: update block instrumentation for SuSE 4.4.114-92
366 * Fix: update rcu instrumentation for v4.16
367 * Fix: update vmscan instrumentation for v4.16
368 * Fix: update timer instrumentation on 4.16 and 4.14-rt
369 * Update kvm instrumentation for debian kernel 4.14.0-3
370 * Fix: network instrumentation protocol enum
371 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
372 * Fix: update block instrumentation for SuSE 4.4.73-5
373 * Fix: global_dirty_limit for kernel v4.2 and up
374 * Fix: network instrumentation handling of corrupted TCP headers
375 * Fix: add missing uaccess.h include from kstrtox.h wrapper
376 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
377 * Fix: btrfs_delayed_ref_head was unwired since v3.12
378 * Update kvm instrumentation for debian kernel 4.9.65-3
379 * Fix: debian kernel version parsing
380 * Fix: block instrumentation 4.14+ NULL pointer dereference
381 * Update: kvm instrumentation for 3.16.52 and 3.2.97
382 * Fix: kvm instrumentation for 4.15
383 * Update sock instrumentation for 4.15
384 * Update kvm instrumentation for 4.15
385 * Fix: ACCESS_ONCE() removed in kernel 4.15
386 * Fix: sched instrumentation on stable RT kernels
387 * timer API transition for kernel 4.15
388 * Fix: Don't nest get online cpus
389 * Fix: lttng_channel_syscall_mask() bool use in bitfield
390 * Fix: update kmem instrumentation for kernel 4.15
391 * Fix: lttng_kvmalloc helper NULL pointer OOPS
392 * Update version to 2.11.0-pre
393 * Fix: lttng-logger get_user_pages_fast error handling
394 * Fix: update block instrumentation for 4.14 kernel
395 * Revert "Fix: update block instrumentation for kernel 4.14"
396 * Fix: version check error in btrfs instrumentation
397 * Fix: update btrfs instrumentation for kernel 4.14
398 * Fix: update writeback instrumentation for kernel 4.14
399 * Fix: update block instrumentation for kernel 4.14
400 * Fix: vmalloc wrapper on kernel < 2.6.38
401 * Fix: vmalloc wrapper on kernel >= 4.12
402 * Add kmalloc failover to vmalloc
403 * Fix: mmap: caches aliased on virtual addresses
404 * Fix: update ext4 instrumentation for kernel 4.13
405 * Fix: Sleeping function called from invalid context
406 * Fix: sched for v4.11.5-rt1
407 * Make vim users life easier
408 * Rename Makefile.ABI.workarounds to Kbuild.common
409 * Fix: handle missing ftrace header on v4.12
410 * Fix: pid tracker should track "pgid"
411 * Cleanup: typo in lttng pid tracker
412 * Fix: Build ftrace probe on kernels prior to 4.12
413 * Fix: update ftrace probe for kernel 4.12
414 * Fix: update block instrumentation for kernel 4.12
415 * Calculate context length outside of retry loop
416 * Fix: Add support for 4.9.27-rt18 kernel
417 * Fix: update btrfs instrumentation for kernel 4.12
418 * Fix: update ringbuffer for kernel 4.12
419 * Fix: update sched instrumentation for kernel 4.12
420 * Fix: ext3 was completely removed from the kernel in v4.3
421 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
422 * Fix: add "flush empty" ioctl for stream intersection
423 * Revert "Fix: flush empty packets on snapshot channel"
424 * Revert "Fix: don't perform extra flush on metadata channel"
425
a7528254
MD		 4262017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
427 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
428 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
429 * Fix: Always build vmscan probe
430 * Cleanup: formatting in strutils_star_glob_match explanation
431 * Fix: introduce LTTNG_SIZE_MAX for older kernels
432 * Use SIZE_MAX instead of -1ULL for size_t parameter
433 * filter: use SIZE_MAX for size_t
434 * Fix: out of bound array access in filter code
435 * Add support for star globbing patterns in event names
436 * Filtering: add support for star-only globbing patterns
437 * Add string utilities
438 * lttng-abi.c: cleanup whitespaces
439 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
440 * Fix: kref changes for kernel 4.11
441 * Fix: atomic_add_unless() returns true/false rather than prior value
442 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
443 * Fix: update scsi instrumentation for kernel 4.11
444 * Fix: changes to the vm_op fault cb prototype in libringbuffer
445 * Fix: update btrfs instrumentation for kernel 4.11
446 * Fix: update mm_vmscan instrumentation for kernel 4.11
447 * Fix: section mismatch warning caused by __exit annotation
448 * socketpair: extend syscall socketpair tracing information
449 * Remove events/mainline unused headers
450 * update event README
451 * Fix: nmi-safe clock on 32-bit systems
452 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
453 * Fix: 4.10 hotplug adaptation backward compat
454 * Fix: 4.10 btrfs instrumentation update backward compat
455 * Update btrfs instrumentation for 4.10 kernel
456 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
457 * btrfs instrumentation: update to 4.10 kernel
458 * timer instrumentation: adapt to ktime_t without union
459 * Add load/unload messages to kernel log
460 * Update version to 2.10.0-pre
461 * Fix: asoc instrumentation for RHEL 7.3
462 * Fix: SCSI instrumentation for SLES12 SP2
463 * Add SUSE Linux Enterprise kernel version tests
464 * Filter code relicensing to MIT license
465 * Add task cpu in process statedump
466 * Performance: add missing unlikely in reserve
467 * Fix: preemptible and migratable context error handling
468 * Fix: bump stable kernel version ranges for clock work-around
469
f8af63a2
MD		 4702016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
471 * Fix: i2c: support kernels < 3.15
472 * Fix: show warning for broken clock work-around
473 * Bump minor ABI version
474 * Fix: work-around upstream Linux timekeeping bug
475 * Add support for i2c tracepoints
476 * Cleanup: makefile version checks with single "ge"
477 * Performance: special-case NULL in lttng_strlen_user_inatomic
478 * Fix: lttng_inline_memcpy does not take a __user argument
479 * Performance: implement lttng_inline_memcpy
480 * Performance: cache the backend pages pointer in context
481 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
482 * Performance: Only dereference commit index once
483 * Performance: Mark channel and buffer event disabled check unlikely
484 * Performance: Relax atomicity constraints for crash handling
485 * Performance: mark ring buffer do_copy callers always inline
486 * Performance: mark lib_ring_buffer_write always inline
487 * Kconfig: select TRACEPOINTS when built-in
488 * Performance: disable event counting by default
489 * Fix: handle large number of pages or subbuffers per buffer
490 * Fix: unregister cpu hotplug notifier on buffer alloc error
491 * Fix: sa_family is of type unsigned short
492 * Fix: check for sizeof sa_family to save sa_family in accept and connect
493 * Fix: use printk_once() for wrapper warning messages
494 * Fix: btrfs instrumentation for 4.8 kernel
495 * Fix: update mm_vmscan instrumentation for kernel 4.8
496 * Fix: napi instrumentation for 4.8 kernels
497 * Fix: update block instrumentation to compile on 4.8 kernels
498 * Cleanup: reuse code in accept() and accept4() instrumentation
499 * Add x86-64 override for accept4 syscall
500 * Fix: timer wrapper: support kernels >= 4.8
501 * Performance: split check deliver fast/slow paths
502 * Fix: x86-64 accept instrumentation
503 * Fix: Add support for 4.6.4-rt8 kernel
504 * Fix: update scsi instrumentation for 4.7+ kernels
505 * Fix: Use fs_initcall instead of rootfs_initcall
506 * Fix: Add kernel configuration for lttng clock plugin
507 * Fix: the clock plugin must be initiated before first use of the clock
508 * Fix: tests/Kbuild for older kernels
509 * Cleanup: __dynamic_len_idx set but not used warning
510 * Cleanup: coding style and comments of net.h
511 * net: Add TCP header data to net_* tracepoints
512 * net: Add IPv4/IPv6 header data to net_* tracepoints
513 * Fix: endianness for the container type of enum
514 * enumeration autoincrement: use if/else logic
515 * Cleanup trailing whitespaces
516 * lttng-test probe: test ctf_enum_auto()
517 * Add ctf_enum_auto() for autoincrementing enumeration values
518 * Implement session statedump command
519 * Fix: annotate bytecode interpreter for kernel stack validator
520 * Update version to 2.9.0-pre
521 * Fix: ring buffer: honor switch parameter type in remote switch
522 * Fix: only flush non-metadata channels
523 * Fix: don't perform extra flush on metadata channel
524 * select, poll and epoll_wait overrides on ARM 32-bit
525 * Fix: flush empty packets on snapshot channel
526 * Fix: do not generate packet at destroy after stop
527 * Fix: compat ioctl for flush/get metadata version
528 * Fix: ctf_string() should handle NULL pointers
529 * Fix: portability: no arith on void pointer
530 * Fix: add missing tests/Kbuild
531 * Test clock override plugin
532 * Fix: add modules target to base Makefile
533 * Fix: make clean does not include dot-config
534 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
535 * Documentation: document that CONFIG_MODULES not required when builtin
536 * Fix: add missing errno include in random wrapper
537 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
538 * Fix: copy_from_user size when limited allocation
539 * Extract the payload of epoll_wait/epoll_pwait
540 * Extract the payload for epoll_ctl
541 * Extract the FDs and flags from poll and ppoll
542 * Extract the FD sets in select and pselect6
543 * Add ctf_integer_bitfield_type
544 * Implement enumeration type
545 * Implement custom field support
546 * Implement variant type
547 * Implement shadow stack for dynamic len
548 * libringbuffer: implement event too big API
549 * Implement structure, compound array/sequence types
550 * Fix: integer endianness metadata generation
551 * Fix: endianness of integers received by filter
552 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
553 * Fix: RHEL kernel 3.10.0-327.13.1 compat
554 * Fix: ctf_user_integer should not trigger page fault
555 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
556 * Add comment describing ioctl number duplication
557 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
558 * Fix: Remove dead code from filter interpreter
559 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
560 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
561 * Fix: use of uninitialized ret value in lttng_abi_create_event
562 * Fix: kmem instrumentation: remove unused gfpflags.h include
563 * Fix: 4.6 kernel: use in_compat_syscall
564 * Fix: use BUG_ON instead of accessing array subscript above array bounds
565 * Fix: Add granularity to RHEL kernel version checks
566
0dca9206
MD		 5672016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
568 * Bump minor tracer ABI version
569 * Fix: build against out-of-tree kernel build
570 * probes/Kbuild: remove upper level header path
571 * Move leftover relative include paths to system paths
572 * syscall instrumentation: use system headers
573 * tracepoint event instrumentation: use system headers
574 * Use system include path in wrappers
575 * libs: use system include paths
576 * Use system header paths in core implementation files
577 * Use system include paths in root directory headers
578 * Use system include paths in probes
579 * Update gitignore
580 * Use system include paths in lttng-types.h
581 * Use system include paths in lttng-tracepoint-event-impl.h
582 * Use system include path in probes/define_trace.h
583 * Use system include paths in probes/lttng-tracepoint-event-impl.h
584 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
585 * Add makefile directory to include path
586 * Fix: event ctx get size should be after chan ctx
587 * Fix: filter interpreter with userspace strings
588 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
589 * Fix: format address fields as hexadecimal
590 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
591 * Fix: system call instrumentation overrides
592 * Fix: page_alloc wrapper incorrect parenthesis
593 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
594 * Fix: add struct user_msghdr forward declaration for older kernels
595 * Cleanup: Remove unused lttng-types module
596 * Fix: add missing versions and init call for page_alloc wrapper
597 * Fix: Define lttng-tracer metadata only once
598 * Fix: Add CONFIG_LTTNG to modules_install target
599 * Fix: Use kbuild env instead of a custom var KERNELDIR
600 * Update clock offset comment
601 * clock offset: print negative value in metadata
602 * Fix: handle negative clock offset
603 * Fix: sched instrumentation for 4.1-rt11
604 * Add RT patch version macros
605 * Expect filter context identifiers starting with $ctx.
606 * ARM64: wire up compat system calls
607 * Add support for arm64 syscalls
608 * Fix: Ubuntu kernel range for block_rq_complete
609 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
610 * Fix: update vmscan instrumentation for kernel 4.5
611 * Fix: check reference counts for overflow
612 * Fix: RHEL 7.2 scsi instrumentation
613 * Fix: RHEL 7.2 kvm instrumentation
614 * Kconfig: describe both module and in-kernel compilation options
615 * Add comments and indentation to Makefile
616 * Add support for built-in kernel build
617 * Rename sub makefiles to Kbuild
618 * Cleanup sub makefiles
619 * Make goals configurable with CONFIG_LTTNG
620 * Fix: Use generic raw_irqs_disabled_flags
621 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
622 * Fix: update sched instrumentation for kernel 4.4.0
623 * Bump version number for development branch
624 * Fix: interruptible context: reversed logic
625 * Contexts for RT debugging
626 * Fix: instrumentation: v4lv2 missing include
627 * Fix: header size larger than 256 bytes
628 * Instrument x86 page faults
629 * Fix: irq_vectors TRACE_SYSTEM name
630 * Instrument x86_irq_vectors
631 * Fix: tracepoint listing misses last loaded probe
632 * Fix: lttng trace-clock needs to disable preemption
633 * Tracepoint event: add "TP_code_post()"
634 * Implement array and sequence bitfields
635 * Fix: kmem: add mm.h include
636 * Add page frame number (pfn) to kmem page events
637 * Use pfn rather than struct page in ring buffer array
638 * Implement clock plugin support
639 * Command to regenerate the metadata of a session
640 * Fix: writeback instrumentation update for 4.3 Linux kernel
641 * Fix: update sched wakeup instrumentation for 4.3 kernel
642 * Fix: lttng-test build failure for kernels < 3.0
643 * Use 3.18 syscall instrumentation for MIPS32
644 * Update the MIPS32 syscall instrumentation to 3.18
645 * Fix: Move pipe override to the arch specific pointers_override.h
646 * Implement lttng test module
647 * Cleanup: remove logically dead code
648 * Fix: filter validator use after free
649 * Fix: use after free in channel release
650 * Fix: non-enabler events should be disabled by default
651 * Fix: build failure on 2.6.36
652 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
653 * Fix: writeback instrumentation for 4.2 kernels
654 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
655 * Add stream instance id to the packet header
656 * Add a packet sequence number
657 * Fix: kmem probe with Ubuntu 3.13 kernels
658 * Fix: disable kvm probe if lapic.h isn't found
659 * Fix: timer instrumentation for 4.2 kernels
660 * Fix: ext4 instrumentation for 4.2 kernels
661 * Fix: kvm instrumentation for 4.2 kernels
662 * Fix: allow LTTng to be built within kernel tree
663
6642015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD		 665 * Fix: Building the event list fails on fragmented memory
666 * Fix: use after free on metadata cache reallocation
667 * Fix: version checks for kernel 4.0
668 * Fix: Incorrect Ubuntu kernel patchlevel
669 * Fix: cpu-id context should use int type
670 * Implement cpu-id context
671 * Implement cpu_id context for filtering
672 * Fix: context printk mismatch on error
673 * Cleanup: misleading comment about deferrable timer
674 * Fix: arm-32 build
675 * Fix: Update kmem event for Ubuntu's 3.16 kernel
676 * Fix: RHEL 7.1 block instrumentation
677 * Fix: add RHEL version macros
678 * Fix: add missing parenthesis in ubuntu version check
679 * Fix: remove regmap instrumentation for kernels < 4.1
680 * Fix: Update kmem event for recent Ubuntu kernel
681 * Fix: missing statedump end event when block device listing available
682 * Fix: don't generate incorrect macros for debian/ubuntu version check
683 * Revert "Fix: build against Ubuntu kernels"
684 * Fix: build against Ubuntu kernels
685 * Add namespace info in sched_fork and statedump
686 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
687 * Fix: printk instrumentation: remove "condition" tracepoints
688 * Fix: regmap build against kernel 4.0 kernel headers
689 * Add mmu_valid_gen field to mmutrace events
690 * Fix: add missing x86 mmutrace kernel header include
691 * Fix: x86 mmutrace event extra field for kernels >= 3.11
692 * Fix: remove execute flag from kvm.h file
693 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
694 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
695 * Fix: 4.1-rc1 Linux build and regmap instrumentation
696 * Fix: don't clash with older Debian kernel versions
697 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
698 * Fix: discover Debian API
699 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
700 * Fix: atomic.h wrapper for kernels < 2.6.37
701 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
702 * Fix: add missing types.h include for older kernels
703 * Fix: add hlist lttng wrappers
704 * Fix: add struct file_handle forward declaration
705 * Fix: string length calculation reversed user vs kernel args
706 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
707 * Fix: add lttng rcu wrapper to allow tracing RCU
708 * Fix: double-unlock of session mutex
709 * Fix: check that class and instance prototype match
710 * Fix: lttng-events.h check function takes void
711 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
712 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
713 * Fix: Include utsrelease.h in lttng-kernel-version.h
714 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
715 * Fix: old kernels need module.h included before vermagic.h
716 * Fix: net instrumentation for kernels 2.6.39 and below
717 * Fix: version condition in makefile
718 * Implement wrapper around get_pfnblock_flags_mask
719 * Be more restrictive in provider name check
720 * Fix: net instrumentation namespacing
721 * Fix: compaction instrumentation namespacing
722 * Fix: Support 4.x kernel versions in Makefile
723 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
724 * Fix: add missing module.h include to lttng-probe-user.c
725 * Fix: use lttng hlist wrapper in wildcard and filter
726 * Fix: namespace asoc and kmem instrumentation
727 * Fix: update instrumentation after wildcard rebase
728 * Fix: lttng_abi_syscall_list does not need to be exported
729 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
730 * Remove now unused syscalls.h from lttng-modules
731 * Filter: start with enabler "disabled"
732 * Fix coverity warning about sizeof(void **) != sizeof(void *)
733 * Fix length type and text sequence base
734 * Fix: TP_FIELDS: add missing headers
735 * Migrate syscall instrumentation to TP_FIELDS
736 * Migrate tracepoint instrumentation to TP_FIELDS
737 * Implement filtering infrastructure
738 * syscall wildcards: apply syscall filtering
739 * Implement syscall wildcard support
740 * Implement tracepoint wildcard support
741 * Namespace all tracepoints
742 * Implement list.h wrapper for hlist in older kernels
743 * Implement listing of pid tracker content
744 * Implement PID tracking
745 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
746 * Fix: update writeback instrumentation for kernel 4.0+
747 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
748 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
749 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
750 * Fix: missing parenthesis in offset_align_floor
751 * Fix: implement time.h wrapper for FD_ISSET
752 * Fix: update sched instrumentation for 3.19+ kernels
753 * Fix: update rcu instrumentation for 3.19+ kernels
754 * Fix: update scsi instrumentation for 3.19+ kernels
755 * Fix: update module instrumentation for 3.19+ kernels
756 * Fix: Add f_dentry wrapper for 3.19+ kernels
757 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
758 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
759 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
760 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
761 * Conditional compilation introduced by lttng-modules commit
762 * Fix: compaction instrumentation update for 3.14.x stable kernels
763 * Fix: context alignment not properly handled
764 * Fix compilation on Linux kernel >= 3.18.0
765 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
766
af991434
MD		 7672014-10-20 LTTng modules 2.6.0-rc1
768 * Expose lttng-modules ABI version ioctl
769 * Fix: syscall list ioctl number conflict
770 * lttng-modules: fix build for non-x86
771 * Fix: syscall listing of session
772 * Print build warning when writeback probe is disabled
773 * Add atomic.h wrapper for before/after atomic
774 * Fix compilation on Ubuntu 14.10
775 * Fix: export name as text array in writeback
776 * Cleanup: remove unused trace_clock_read32()
777 * Use 3.17 ktime_get_mono_fast_ns() new API
778 * Check for stale version.h files
779 * Fix: compile lttng_statedump_process_ns on Ubuntu
780 * Reverse version check logic in lttng_statedump_process_ns
781 * Fix block_rq_complete TP on Ubuntu kernel
782 * Introduce macros to check Ubuntu kernel version
783 * Sync writeback tracepoints from mainline
784 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
785 * Fix: hander negative get_syscall_nr return value
786 * Fix: statedump: close_on_exec flag backward compat
787 * Fix instrumentation of vmscan for older kernels
788 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
789 * Fix: syscall listing: handle "enable all syscall"
790 * Fix: don't allow disabling syscalls when none are enabled
791 * Fix: syscall: fail disable all if all already disabled
792 * Fix: syscall filtering: NULL pointer deref
793 * Cleanup: list syscall without syscall_entry prefix
794 * Fix: syscall_list_show NULL pointer deref
795 * implement syscall mask getter
796 * Cleanup: lttng-abi.h coding style
797 * syscall listing: show syscall ID
798 * Allow events with same name to be enabled for each channel
799 * ABI: use enable a syscall ABI field name
800 * Implement syscall listing
801 * Fix: tracepoint list anonymous file name
802 * Fix: syscall filtering: disable all syscalls
803 * syscall tracing: input/output parameter handling for all arch
804 * lttng-get-syscall-inout.sh depends on bash
805 * Fix generate syscall header script: add missing escape char
806 * syscall instrumentation: handle copy_from_user return value
807 * Rename LTTng syscall instrumentation macros
808 * Rename LTTng instrumentation macros
809 * Extract input/output arguments from accept and connect syscalls
810 * syscall: extract pipe and pipe2 output args
811 * Remove sys_ prefix from syscall names
812 * System call inout/output arg processing
813 * Update syscall inout table
814 * Add syscall inout table
815 * Extract syscall exit ret value on x86 32/64
816 * Extract system call exit return value
817 * Syscall filtering: apply to syscall exit
818 * System call filtering
819 * asoc.h: fix build with v3.17 kernel
820 * Fix: lttng-modules teardown NULL pointer OOPS
821 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
822 * Modernize README using Markdown
823 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
824 * Add cscope to gitignore
825 * Update kvm instrumentation: compile on 3.17-rc1
826 * Update statedump to 3.17 nsproxy locking
827 * Fix: noargs probes should calculate alignment and event length
828 * Update compaction instrumentation to 3.16 kernel
829 * Update vmscan instrumentation to 3.16 kernel
830
789fd1d0
MD		 8312014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
832 * (no change)
833
37cbcd7c
MD		 8342014-06-27 LTTng modules 2.5.0-rc2
835 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
836 * Fix: statedump handle oom case, handle errors
837 * Fix: correct typo in kernel version number
838 * Fix: blktrace instrumentation for backported branches
839 * Fix: statedump block devices OOPS
840
0d979364
MD		 8412014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
842 * Add TID field to some block_* events
843 * Fix: refuse overwrite mode buffers with less than two subbuffers
844 * Fix: lttng modules system call generation script
845 * Dump FD flags and mode on state dump
846 * Fix: incorrect rwbs field type in block_bio_queue
847 * Fix: blktrace instrumentation for v3.2.58+ stable branch
848 * Fix: pass proper args when writing commit counter
849 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
850 * Fix: allow racy tracepoint string input from kernel and userspace
851 * Statedump event for block devices
852 * Fix: update v4l2 instrumentation to 3.15 kernel
853 * Fix: ext4 update instrumentation to 3.15 kernel
854 * Fix: update block instrumentation to 3.15 kernel
855 * Fix: module instrumentation: update to 3.15 kernel
856 * Adapt to 3.15 tracepoint API
857 * Kernel 3.15 don't define map unmap for pipe
858 * Fix: add missing module version in v4l2 probe
859 * Add V4L2 instrumentation
860 * Fix: rcu instrumentation: add const qualifier to char pointers
861 * Fix: add missing module version information
862 * Use kernel 3.13 syscall tables for MIPS32
863 * Add MIPS32 syscalls extracted from a 3.13 kernel
864 * Fix: block instrumentation: < 3.14 don't have bi_iter
865 * Fix: update btrfs instrumentation to kernel 3.14
866 * Fix: update block layer instrumentation to kernel 3.14
867 * Fix: remove __exit annotation
868 * Fix file permissions for lttng-statedump-impl.c
869 * LTTng logger ABI
870
fb2c3779
MD		 8712014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
872 * Fix: load state dump even if work-around lookup fails
873 * Cleanup: fix comment
874 * Fix: correctly version kvm events to build against v3.0 kernel
875 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
876
4be86211
MD		 8772014-02-14 LTTng modules 2.4.0-rc4
878 * Fix: use after free in ring buffer clients
879 * Fix: Add statedump exit so module is not permanent
880 * Cleanup: move callback init to static initialization
881 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
882
00808267
MD		 8832014-01-29 LTTng modules 2.4.0-rc3
884 * Fix: tracepoint event name mapping at unregister
885 * Fix: tracepoint name remapping
886 * Fix: enable event error path memory corruption
887 * Update kvm instrumentation to Linux 3.13
888 * Update sched instrumentation to Linux 3.13
889 * Fix: provide more precise error report for enable event
890 * Fix: quote event name in metadata
891 * Add version info to lttng-tracer.ko modinfo
892
0aa12233
MD		 8932013-12-10 LTTng modules 2.4.0-rc2
894 * Fix: client_packet_header() uses wrong packet
895 * Cleanup: fix typo in ring buffer backend comment
896 * Fix: handle unknown event type parameter
897 * Fix: eliminate timestamp overlap between packets
898 * gcc blacklist: only apply when building with gcc
899 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
900
223ca7c5
MD		 9012013-11-15 LTTng modules 2.4.0-rc1
902 * Update ext4 instrumentation to Linux 3.12
903 * Update RCU instrumentation to Linux 3.12
904 * Update btrfs instrumentation to 3.12 kernel
905 * Update vmscan instrumentation to Linux 3.12
906 * update: kmem instrumentation 3.12 kernel support
907 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
908 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
909 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
910 * Add new tracepoint in KVM
911 * Blacklist kernels 3.10.13 and 3.11.2
912 * LTTng trace-clock: shrink kernel blacklist
913 * Metadata flush writes data from the cache
914 * Per-stream ioctl to get the current timestamp
915 * LTTng ringbuffer ABI calls for index generation
916 * Prepare LTTng override of ring buffer fops
917 * Blacklist Linux kernels 3.10+
918
78c8710b
MD		 9192013-09-03 LTTng modules 2.3.0
920 * Fix: metadata stream should not reference session
921 * Fix: btrfs: support 3.11 Linux kernel
922 * statedump: remove KERN_DEBUG messages
923 * Fix: ext4: add missing tracepoints for 3.11 kernel
924 * Fix: ext4: Linux 3.11 support
925 * Fix: ext3: 3.11 Linux support
926 * Fix: statedump nsproxy 3.11 Linux support
927
cf7ae3e6
MD		 9282013-08-30 LTTng modules 2.3.0-rc2
929 * Fix: metadata lttng channel refcount
930 * README: lttng-modules incompatible with lttng 0.x patchset
931
54207845
MD		 9322013-07-17 LTTng modules 2.3.0-rc1
933 * Fix: kvm x86 probes side-effect
934 * Fix: allow get/put subbuf in loop for metadata stream
935 * Add support for kvm x86 specific tracepoints
936 * Add mainline headers for kvm x86 tracepoints
937 * Remove old 3.0.4 x86-64 extracted syscall info
938 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
939 * Add syscalls extracted files from a 3.10-rc7 kernel
940 * Improve documentation of the syscall extractor script
941 * Fix: double length of __dynamic_len array
942 * Fix printk instrumentation
943 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
944 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
945 * Fix: SWITCH_FLUSH new sub-buffer checks
946 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
947 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
948 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
949 * Fix: handle writes of length 0
950 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
951 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
952 * print warning and return -EBUSY on double get_subbuf()
953 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
954 * Fix: don't do 0 byte event reservation
955 * Document that payload size need to be greater than 0
956 * Fix build and load against linux-2.6.33.x
957 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
958 * Metadata cache and multiple metadata channels
959 * fix block instrumentation probe signature mismatch for 3.9.x kernels
960 * fix: block instrumentation: NULL pointer dereference
961 * Update rcu instrumentation to 3.9.[0-4]
962 * Fix CPU hotplug section mismatches
963 * Add system calls definitions for powerpc-32
964 * Remove bashism in lttng-syscalls-generate-headers.sh
965 * Update ARM (32 bit) syscall tracepoints to 3.4
966
88c5f61b
MD		 9672013-05-09 LTTng modules 2.2.0-rc2
968 * Remove useless lttng_metadata probe
969 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
970 * Fix: 3.9.0 block layer instrumentation build
971 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
972 * Stop build if CONFIG_TRACEPOINTS is not set
973 * Add comments to endifs.
974 * Fix: remove ARM set_tls system call override
975 * Cleanup: arm sys_mmap whitespace
976 * Clean up using global_dirty_limit wrapper for writeback probe
977
78062c79
MD		 9782013-03-29 LTTng modules 2.2.0-rc1
979 * Update README
980 * Fix: vmscan instrumentation build
981 * writeback instrumentation: remove duplicated structures
982 * block: update instrumentation to 3.9 rc kernel
983 * rcu: update to 3.9 rc kernel instrumentation
984 * workqueue instrumentation: remove duplicated structures
985 * Rename odd event names
986 * Introduce API to remap event names exposed by LTTng
987 * lttng-module: sched.h: Fix compilation on 3.9 kernel
988 * Fix Linux 3.8 btrfs probe warning
989 * Fix Linux 3.8 ext4 probe support
990 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
991 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
992 * instrumentation sched: add missing fork pid info
993 * Fix check in lttng_strlen_user_inatomic
994 * instrumentation: sync with Linux commit a1ce392
995 * Fix: statedump: missing locking, use lttng_iterate_fd
996 * Implement lttng_iterate_fd wrapper
997 * Instrumentation cleanup: kmem events should print hex pointers
998 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
999 * Fix: statedump hang/too early completion due to logic error
1000 * Fix: statedump hang due to incorrect wait/wakeup use
1001 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
1002 * wrapper/perf.h: Fix kernel version condition
1003 * Add new kernel probes instrumentation
1004 * Update kernel probes to more detailed match to kernel versions
1005 * Fix possible kernel build errors with linux-patches
1006 * Add missing MIT license text to 3 files under this license
1007 * Update sites using kernel version checking macro to new range
1008 * Make upper bound of kernel version checking macro exclusive
1009 * sock instrumentation: fix fields to get referenced values
1010 * ext3 instrumentation: fix of assignment code conversion
1011 * sched instrumentation: rename "pid" fields in sched_process_exec
1012 * Remove remaining semicolons in TP_fast_assign blocks
1013 * Fix compilation for 3.0 kernels that are named 2.6.40
1014 * Fix compilation for 3.0 branch (>= 3.0.39)
1015 * Add kernel version checking macro
1016 * Remove semicolons in TP_fast_assign blocks
1017 * Add ifdefs to net probe to support Linux 2.6.39
1018 * Add kernel probes for supplementary subsystems
1019 * Check if interrupt action name is not null in statedump
1020 * Fix exec instrumentation: only for kernels 3.4.0 and higher
1021 * Add TRACE_EVENT(sched_process_exec) to sched.h
1022 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
1023 * Fix warning with 3.6.0 kernel
1024 * ABI with support for compat 32/64 bits
1025 * Perform calculation on bit size in 64-bit
1026 * Use uint64_t for packet header content size and packet size
1027 * Fix: compat layer only on supported architectures
1028 * Fix ring buffer 32/64 bits compat
1029 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
1030 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
1031 * Fix: statedump missing check for NULL namespace
1032
7cb1d0ee
MD		 10332012-09-10 LTTng modules 2.1.0-rc1
1034 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
1035 * Support for linux kernels 2.6.32 through 2.6.37
1036 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
1037 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
1038 * Add env hostname information
1039 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
1040 * lttng_statedump_process_state for each PID NS
1041 * Support the hostname context
1042 * Fix: statedump namespaced pid, tid and ppid
1043 * Fix: statedump: disable vm maps enumeration
1044 * Fix: ensure userspace accesses are done with _inatomic
1045 * Fix: vppid context should test for current nsproxy
1046 * Add MIPS system call support
1047 * Change mode of lttng-syscalls-generate-headers.sh to 755
1048 * cleanup: fix typo in syscall instrumentation header
1049 * Cleanup: remove trailing whitespace in README
1050 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
1051 * LTTng: probe-statedump: add #include <linux/sched.h>
1052 * fix: signal_generate event should print utf8 for comm field
1053 * Makes write operation a parameter for tp_memcpy macro
1054 * Add coding style document
1055 * Update instrumentation/events README file
1056 * Add makefile target for preprocessor
1057 * Fix: free_event_id check should compare unsigned int with -1U
1058 * Use unsigned long type for events discarded counter
1059 * Fix: update signal instrumentation for 3.4 kernel
1060 * LTTng Modules ARM syscall instrumentation
1061 * Fix: generate header missing echo -e for escape chars
1062 * Fix: add missing uaccess.h include (for ARM)
1063 * README: Document that CONFIG_MODULES is required
1064 * Fix: README typo
1065 * Fix: document required and optional kernel config options in README
1066
d2a9270f
MD		 10672012-03-29 LTTng modules 2.0.1
1068 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
1069
10702012-03-20 LTTng modules 2.0.0
730e5783
MD		 1071 * First STABLE version
1072 * Add version name
1073
63be4822
MD		 10742012-03-20 LTTng modules 2.0.0-rc4
1075 * Update README and add version name place-holder
1076
1bca821c
MD		 10772012-03-16 LTTng modules 2.0.0-rc3
1078 * Fix clock offset 32-bit multiplication overflow
1079 * Fix : wrong assign of fd in state dump
1080 * License cleanup, ifdef namespace cleanup
1081 * Fix: ensure power of 2 check handles 64-bit size_t entirely
1082
4d1704b6
MD		 10832012-03-02 LTTng modules 2.0.0-rc2
1084 * Fix: dmesg printout should not print metadata warnings
1085 * Fix: use transport name as channel name
1086 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
1087
f66cbcc8
MD		 10882012-02-20 LTTng modules 2.0.0-rc1
1089 * Standardize version across toolchain
1090 * statedump: Use old macro name for kernel 2.6.38
1091
2646f1db
MD		 10922012-02-16 LTTng modules 2.0-pre15
1093 * Add timer instrumentation
1094 * fix: need to undef mainline define
1095 * fix: Include signal.h instead of irq.h for prototype match check
1096 * Add signal instrumentation
1097
3e8b3fb8
MD		 10982012-02-16 LTTng modules 2.0-pre14
1099 * syscall tracing: sys_getcpu
1100 * Add sys_clone x86 instrumentation
1101 * statedump: fix include circular dep
1102 * Implement state dump
1103
ed5a7a8f
MD		 11042012-02-09 LTTng modules 2.0-pre13
1105 * Update README
1106 * environment: write sysname, release, version, domain to metadata
1107 * Allow open /proc/lttng for read & write
1108
497051bd
MD		 11092012-02-02 LTTng modules 2.0-pre12
1110 * Add x86 32/64 execve syscall instrumentation override
1111 * Remove unused defines
1112 * Add padding to ABI
1113 * Use LTTNG_KERNEL_SYM_NAME_LEN
1114 * Update version to 1.9.9
1115 * Add missing double-quotes to clock uuid
1116 * clock: read bootid as clock monotonic ID
1117 * Fix comment
1118 * Cleanup comment
1119 * clock: output clock description in metadata
1120 * Properly fix the timekeeping overflow detection
1121 * Fix init bug
1122 * rename lib-ring-buffer to lttng-lib-ring-buffer
1123 * Remove #warning
1124 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
1125 * Update TODO
1126 * Update TODO
1127 * Remove debugfs file (keep only proc file)
1128 * Rename lttng-debugfs-abi files to lttng-abi
1129
4d3e89e3
MD		 11302011-12-13 LTTng modules 2.0-pre11
1131 * Fix OOPS caused by reference of config pointer
1132 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
1133 * lttng lib: ring buffer move null pointer check to open
1134 * lttng lib: ring buffer remove duplicate null pointer
1135 * lttng lib: ring buffer: remove stale null-pointer
1136 * lttng wrapper: add missing include to kallsyms wrapper
1137 * lttng: cleanup one-bit signed bitfields
1138 * Add TODO file
1139 * Update symbol name length max size to 256
1140 * Fix last modifications to string_from_user operations
1141 * Document that depmod needs to be executed by hand
1142 * Fix strlen_user fault space reservation
1143 * Fix tp_copy_string_from_user handling of faults
1144 * Disable block layer tracing support for kernels < 2.6.38
1145 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
1146 * Update trace clock warning to match the current development plan
1147 * ringbuffer: make ring buffer printk less verbose
1148 * Makefile: do not run depmod manually
1149
e2222c2e
MD		 11502011-09-30 LTTng modules 2.0-pre10
1151 * x86-32: override sys_mmap syscall instrumentation
1152 * Fix cast warning
1153
bfb508ed
MD		 11542011-09-29 LTTng modules 2.0-pre9
1155 * x86 32 syscalls: fix !CONFIG_UID16
1156 * Use __string_from_user
1157 * Add __string_from_user
1158 * Rename "comm" context to "procname"
1159 * Fetch "type" name field for mount syscall
1160 * Create common override file for all architectures
1161 * Shrink stack size usage
1162 * Cleanup: remove unused lttng-compat-syscalls.c file
1163 * Support detailed compat syscalls on x86_64
1164 * Fix syscall table
1165 * Add disabled compat syscalls detail (work in progress)
1166 * Add config compat support for detailed x86_32 syscalls
1167 * Handle newer 3.1+ perf API
1168 * Add dummy x86-32 override headers
1169 * Bind x86-32 syscall headers
1170 * Add x86-32 syscall headers
1171 * Add check for KALLSYMS_ALL in syscall extraction script
1172 * Automate string extraction for syscalls
1173 * Automate syscall filename/pathname extraction
1174 * Add exit to ring_buffer_frontend so module is unloadable
1175 * Add sys_open filename (x86_64)
1176 * Add missing memcpy callback
1177 * copy_from_user and memset
1178 * Add missing alignment after header write
1179 * lib ring buffer: add frontend init as module_init
1180 * lib ring buffer frontend: add missing lock initialization
1181 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
1182 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
1183 * Create override for sys_mmap
1184 * Rename syscalls -> syscall in LTTng ABI
1185 * Use different event name for compat syscalls
1186 * Allow trace syscall table override
1187 * Add dummy override files
1188 * syscall detail: add override capability
1189 * Add pointer pretty-print heuristics
1190 * Add __field_hex
1191 * Rename sys exit errno into ret
1192 * Enable detailed syscalls only for native x86_64
1193 * Use "unknown" for compat syscalls
1194 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
1195 * Fix syscall exit
1196 * Fix sys exit
1197 * Only enable detailed syscalls for x86_64 for now
1198 * Merge unknown syscall method with extended detail method
1199 * Add underscore prefix before event names
1200 * Add syscalls pointers detailed syscall tracing
1201 * Use perl for regexp
1202 * Support generation of syscall probes for those with pointers
1203 * Support detailed syscalls with 0 arguments
1204 * detailed syscall tracing (work in progress)
1205 * Expose /proc/lttng file
1206 * Implement detailed syscall event probe
1207 * Disable perf build for < 2.6.33 kernels
1208 * Syscall detail mode: generate syscall table
1209 * block instrumentation: write cmd as hex sequence
1210 * lttng-events TRACE_EVENT generator cleanup
1211 * block layer instrumentation: fix cmd field
1212 * Remove 0 args syscalls for now from type-aware syscall cb generator
1213 * Generate trace syscall table macros
1214 * Put syscall tracing without arg types back in place
1215 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
1216 * lttng events probes: don't clash with "ctx" variable name
1217 * lib ring buffer must take private pointer copy before decrementing refcount
1218
47655e60
MD		 12192011-08-16 LTTng modules 2.0-pre8
1220 * Fix metadata buffer wait/wakeup
1221
99a93317
MD		 12222011-08-12 LTTng modules 2.0-pre7
1223 * Add missing module refcount to lttng_tracepoint_list_fops
1224 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
LTTng 2.0/0.x modules
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