instrumentation: x86 kvm mmutrace: remove compatibility code
[lttng-modules.git] / ChangeLog
CommitLineData
ada81c8b
MD
12020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
2 * Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
3 * Version 2.12.0-pre
4 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 5
5 * fix: use user ns wrapper code in new id trackers
6 * fix: function prototype in wrapper/mm.h
7 * ID tracker: implement vpid/uid/vuid/gid/vgid trackers
8 * lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
9 * lttng-clear: stop tracing required
10 * sunrpc: introduce lttng_get_clid helper
11 * Fix: sunrpc: use signed integer for client id
12 * Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
13 * Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
14 * fix: ext4: Reserve revoke credits for freed blocks (v5.5)
15 * fix: btrfs: tracepoints: constify all pointers (v5.5)
16 * fix: btrfs block group struct refactor (v5.5)
17 * fix: y2038: itimer: change implementation to timespec64 (v5.5)
18 * Update .gitignore from upstream
19 * Add missing include for kernels between 3.8 and 3.15
20 * Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
21 * net: Add entry/exit tracepoints for all receive paths
22 * statedump: Add thread ID (tid) to interrupt
23 * metadata: Add the product uuid to the 'env' section
24 * Cleanup: statedump process state event pid namespace fields
25 * Add namespaces statedump
26 * Add uid/gid contexts
27 * Add namespace contexts
28 * README.md: Document LTTNG_TRACEPOINT_EVENT
29 * README.md: cleanup formatting for bullet lists
30 * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
31 * Cleanup: Silence gcc fall-through warning
32 * Fix: update sched prev_state instrumentation for upstream kernel
33 * Fix: gcc-9.1 stack frame size warning
34 * Implement ring buffer clear
35 * Make bitfield.h C++-friendly
36 * Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
37 * Add metadata env fields
38 * Introduce LTTNG_KERNEL_SESSION_SET_NAME
39 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
40 * Fix: missing define when not building with gcc
41 * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
42 * Fix: Don't print ring-buffer's records count when it is not used
43 * Fix: do not set quiescent state on channel destroy
44 * Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
45 * Introduce callstack stackwalk implementation header
46 * Prepare callstack common code for stackwalk
47 * Introduce callstack legacy implementation header
48 * fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
49 * fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
50 * fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
51 * fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
52 * fix: timer/trace: Improve timer tracing (v5.2)
53 * Cleanup: bitfields: streamline use of underscores
54 * Silence compiler "always false comparison" warning
55 * Fix: bitfield: shift undefined/implementation defined behaviors
56 * Fix: timestamp_end field should include all events within sub-buffer
57 * Fix: Remove start and number from syscall_get_arguments() args (v5.1)
58 * lttng abi documentation: clarify getter usage requirements
59 * Fix: don't access packet header for stream_id and stream_instance_id getters
60 * Fix: atomic_long_add_unless() returns a boolean
61 * Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
62 * Fix: pipe: stop using ->can_merge (v5.1)
63 * Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
64 * Fix: mm: create the new vm_fault_t type (v5.1)
65 * Fix: extra-version-git.sh redirect stderr to /dev/null
66 * Move timekeeping blacklisting to a header file
67 * Blacklist: kprobe for arm
68 * Cleanup: tp mempool: Remove logically dead code
69 * Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
70 * Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
71 * Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
72 * Fix: Remove 'type' argument from access_ok() function (v5.0)
73 * Fix: timer instrumentation for RHEL 7.6
74 * Add missing SPDX license identifiers to uprobes
75 * Drop support for kernels < 3.0 from Makefiles
76 * Drop support for kernels < 3.0 from writeback instrumentation
77 * Drop support for kernels < 3.0 from workqueue instrumentation
78 * Drop support for kernels < 3.0 from skb instrumentation
79 * Drop support for kernels < 3.0 from scsi instrumentation
80 * Drop support for kernels < 3.0 from sched instrumentation
81 * Drop support for kernels < 3.0 from power instrumentation
82 * Drop support for kernels < 3.0 from net instrumentation
83 * Drop support for kernels < 3.0 from module instrumentation
84 * Drop support for kernels < 3.0 from mm_vmscan instrumentation
85 * Drop support for kernels < 3.0 from lock instrumentation
86 * Drop support for kernels < 3.0 from kvm instrumentation
87 * Drop support for kernels < 3.0 from kmem instrumentation
88 * Drop support for kernels < 3.0 from jbd2 instrumentation
89 * Drop support for kernels < 3.0 from irq instrumentation
90 * Drop support for kernels < 3.0 from ext4 instrumentation
91 * Drop support for kernels < 3.0 from block instrumentation
92 * Drop support for kernels < 3.0 from lttng-statedump-impl.c
93 * Drop support for kernels < 3.0 from lttng-kernel-version.h
94 * Drop support for kernels < 3.0 from lttng-events.h
95 * Drop support for kernels < 3.0 from lib
96 * Drop spinlock.h wrapper
97 * Drop kstrtox.h wrapper
98 * Drop uuid.h wrapper
99 * Drop vzalloc.h wrapper
100 * Drop support for kernels < 3.0 from tracepoint.h wrapper
101 * Drop support for kernels < 3.0 from perf.h wrapper
102 * Drop support for kernels < 3.0 from atomic.h wrapper
103 * Drop compat patches for kernels < 2.6.36
104 * Bump minimum kernel version to 3.0
105 * Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
106 * Fix: signal: Remove SEND_SIG_FORCED (v4.20)
107 * Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
108 * statedump cpu topology: introduce LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
109 * CPU topology statedump on x86
110 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
111 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
112 * Fix: adapt to kernel relative references
113 * Fix: sync event enablers before choosing header type
114 * Fix: implicit declarations caused by buffer size checks.
115 * Prevent allocation of buffers if exceeding available memory
116 * Fix: btrfs instrumentation namespacing
117 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
118 * Fix: tracing: Centralize preemptirq tracepoints (4.19)
119 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
120 * Fix: access migrate_disable field directly
121 * Fix: out of memory error handling
122 * Fix: uprobes: missing break in lttng_event_ioctl()
123 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
124 * Fix: instruction pointer has different names across arch
125 * Fix: build failures when CONFIG_UPROBES is absent
126 * uprobe: Support multiple call sites for the same uprobe event
127 * uprobe: Receive file descriptor from session instead of path to file
128 * uprobe: Mark uprobe event as registered
129 * Add uprobes support
130 * Fix: adjust SLE version ranges to build with SP2 and SP3
131 * Fix: Allow alphanumeric characters in SLE version
132 * Fix: Adjust range for SuSE 4.4.103-92 kernels
133 * Cleanup: move to kernel style SPDX license identifiers
134 * Cleanup: move scripts to subdirectory
135 * Cleanup: modinfo keys
136 * Add extra version information framework
137 * Revert "Add btrfs file item tracepoints"
138 * Fix: btrfs: Remove unnecessary fs_info parameter
139 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
140 * Fix: asoc: Remove snd_soc_cache_sync() implementation
141 * Fix: asoc: fix printing jack name
142 * Fix: asoc: Consolidate path trace events
143 * Fix: ASoC level IO tracing removed upstream
144 * Enable userspace callstack contexts only on x86
145 * Prevent re-entrancy in callstack-user context
146 * Callstack context: bump number of entries to 128
147 * Fix: callstack context alignment calculation
148 * Cleanup callstack context
149 * Fix callstack context: write empty sequence if no stack trace
150 * Fix: callstack context: false-sharing, bad memory size allocation
151 * callstack context: use delimiter when stack is incomplete
152 * Cleanup callstack context
153 * Add kernel and user callstack contexts
154 * Assign CPU id before saving the context size
155 * Define max nesting count constant
156 * Compute variable sized context length
157 * Pass arguments for context size computation
158 * Add 9p probe
159 * Update delayed ref tracepoints for v3.12
160 * Add btrfs file item tracepoints
161 * Add btrfs tracepoint for em's EEXIST case
162 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
163 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
164 * Fix: lttng filter validator ERANGE error handling
165 * Fix: filter interpreter: use LTTNG_SIZE_MAX
166 * Filter: add FILTER_OP_RETURN_S64 instruction
167 * Perform bitwise ops on unsigned types
168 * Filter: catch shift undefined behavior
169 * Filter: add lshift, rshift, bit not ops
170 * Filter: index array, sequences, implement bitwise binary operators
171 * Fix: pid tracker should track "pgid" for noargs probes
172 * lttng-tp-mempool: perform node-local allocation
173 * Fix: update RCU instrumentation for 4.17
174 * Fix: sunrpc instrumentation for 4.17
175 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
176 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
177 * Update: kvm instrumentation for ubuntu 4.13.0-38
178 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
179 * Fix: btrfs instrumentation namespacing
180 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
181 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
182 * Fix: update kvm instrumentation for 4.1.50+
183 * Use the memory pool instead of kmalloc
184 * Create a memory pool for temporary tracepoint probes storage
185 * Fix: use proper pid_ns in the process statedump
186 * Fix: add variable quoting to shell scripts
187 * Update: kvm instrumentation for fedora 4.14.13-300
188 * Fix: Add Fedora version macros
189 * Add preemptirq instrumentation
190 * Clean-up: fix stale #endif comments
191 * Command to dump the metadata cache again
192 * Add a new /dev/lttng-logger interface
193 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
194 * Fix: update block instrumentation for SuSE 4.4.114-92
195 * Fix: update rcu instrumentation for v4.16
196 * Fix: update vmscan instrumentation for v4.16
197 * Fix: update timer instrumentation on 4.16 and 4.14-rt
198 * Update kvm instrumentation for debian kernel 4.14.0-3
199 * Fix: network instrumentation protocol enum
200 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
201 * Fix: update block instrumentation for SuSE 4.4.73-5
202 * Fix: global_dirty_limit for kernel v4.2 and up
203 * Fix: network instrumentation handling of corrupted TCP headers
204 * Fix: add missing uaccess.h include from kstrtox.h wrapper
205 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
206 * Fix: btrfs_delayed_ref_head was unwired since v3.12
207 * Update kvm instrumentation for debian kernel 4.9.65-3
208 * Fix: debian kernel version parsing
209 * Fix: block instrumentation 4.14+ NULL pointer dereference
210 * Update: kvm instrumentation for 3.16.52 and 3.2.97
211 * Fix: kvm instrumentation for 4.15
212 * Update sock instrumentation for 4.15
213 * Update kvm instrumentation for 4.15
214 * Fix: ACCESS_ONCE() removed in kernel 4.15
215 * Fix: sched instrumentation on stable RT kernels
216 * timer API transition for kernel 4.15
217 * Fix: Don't nest get online cpus
218 * Fix: lttng_channel_syscall_mask() bool use in bitfield
219 * Fix: update kmem instrumentation for kernel 4.15
220 * Fix: lttng_kvmalloc helper NULL pointer OOPS
221
aca13e38
MD
2222018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
223 * Fix: uprobes: missing break in lttng_event_ioctl()
224 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
225 * Fix: instruction pointer has different names across arch
226 * Fix: build failures when CONFIG_UPROBES is absent
227 * uprobe: Support multiple call sites for the same uprobe event
228 * uprobe: Receive file descriptor from session instead of path to file
229 * uprobe: Mark uprobe event as registered
230 * Add uprobes support
231 * Fix: adjust SLE version ranges to build with SP2 and SP3
232 * Fix: Allow alphanumeric characters in SLE version
233 * Fix: Adjust range for SuSE 4.4.103-92 kernels
234 * Cleanup: move to kernel style SPDX license identifiers
235 * Cleanup: move scripts to subdirectory
236 * Cleanup: modinfo keys
237 * Add extra version information framework
238 * Revert "Add btrfs file item tracepoints"
239 * Fix: btrfs: Remove unnecessary fs_info parameter
240 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
241 * Fix: asoc: Remove snd_soc_cache_sync() implementation
242 * Fix: asoc: fix printing jack name
243 * Fix: asoc: Consolidate path trace events
244 * Fix: ASoC level IO tracing removed upstream
245 * Enable userspace callstack contexts only on x86
246 * Prevent re-entrancy in callstack-user context
247 * Callstack context: bump number of entries to 128
248 * Fix: callstack context alignment calculation
249 * Cleanup callstack context
250 * Fix callstack context: write empty sequence if no stack trace
251 * Fix: callstack context: false-sharing, bad memory size allocation
252 * callstack context: use delimiter when stack is incomplete
253 * Cleanup callstack context
254 * Add kernel and user callstack contexts
255 * Assign CPU id before saving the context size
256 * Define max nesting count constant
257 * Compute variable sized context length
258 * Pass arguments for context size computation
259 * Add 9p probe
260 * Update delayed ref tracepoints for v3.12
261 * Add btrfs file item tracepoints
262 * Add btrfs tracepoint for em's EEXIST case
263 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
264 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
265 * Fix: lttng filter validator ERANGE error handling
266 * Fix: filter interpreter: use LTTNG_SIZE_MAX
267 * Filter: add FILTER_OP_RETURN_S64 instruction
268 * Perform bitwise ops on unsigned types
269 * Filter: catch shift undefined behavior
270 * Filter: add lshift, rshift, bit not ops
271 * Filter: index array, sequences, implement bitwise binary operators
272 * Fix: pid tracker should track "pgid" for noargs probes
273 * lttng-tp-mempool: perform node-local allocation
274 * Fix: update RCU instrumentation for 4.17
275 * Fix: sunrpc instrumentation for 4.17
276 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
277 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
278 * Update: kvm instrumentation for ubuntu 4.13.0-38
279 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
280 * Fix: btrfs instrumentation namespacing
281 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
282 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
283 * Fix: update kvm instrumentation for 4.1.50+
284 * Use the memory pool instead of kmalloc
285 * Create a memory pool for temporary tracepoint probes storage
286 * Fix: use proper pid_ns in the process statedump
287 * Fix: add variable quoting to shell scripts
288 * Update: kvm instrumentation for fedora 4.14.13-300
289 * Fix: Add Fedora version macros
290 * Add preemptirq instrumentation
291 * Clean-up: fix stale #endif comments
292 * Command to dump the metadata cache again
293 * Add a new /dev/lttng-logger interface
294 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
295 * Fix: update block instrumentation for SuSE 4.4.114-92
296 * Fix: update rcu instrumentation for v4.16
297 * Fix: update vmscan instrumentation for v4.16
298 * Fix: update timer instrumentation on 4.16 and 4.14-rt
299 * Update kvm instrumentation for debian kernel 4.14.0-3
300 * Fix: network instrumentation protocol enum
301 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
302 * Fix: update block instrumentation for SuSE 4.4.73-5
303 * Fix: global_dirty_limit for kernel v4.2 and up
304 * Fix: network instrumentation handling of corrupted TCP headers
305 * Fix: add missing uaccess.h include from kstrtox.h wrapper
306 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
307 * Fix: btrfs_delayed_ref_head was unwired since v3.12
308 * Update kvm instrumentation for debian kernel 4.9.65-3
309 * Fix: debian kernel version parsing
310 * Fix: block instrumentation 4.14+ NULL pointer dereference
311 * Update: kvm instrumentation for 3.16.52 and 3.2.97
312 * Fix: kvm instrumentation for 4.15
313 * Update sock instrumentation for 4.15
314 * Update kvm instrumentation for 4.15
315 * Fix: ACCESS_ONCE() removed in kernel 4.15
316 * Fix: sched instrumentation on stable RT kernels
317 * timer API transition for kernel 4.15
318 * Fix: Don't nest get online cpus
319 * Fix: lttng_channel_syscall_mask() bool use in bitfield
320 * Fix: update kmem instrumentation for kernel 4.15
321 * Fix: lttng_kvmalloc helper NULL pointer OOPS
322 * Update version to 2.11.0-pre
323 * Fix: lttng-logger get_user_pages_fast error handling
324 * Fix: update block instrumentation for 4.14 kernel
325 * Revert "Fix: update block instrumentation for kernel 4.14"
326 * Fix: version check error in btrfs instrumentation
327 * Fix: update btrfs instrumentation for kernel 4.14
328 * Fix: update writeback instrumentation for kernel 4.14
329 * Fix: update block instrumentation for kernel 4.14
330 * Fix: vmalloc wrapper on kernel < 2.6.38
331 * Fix: vmalloc wrapper on kernel >= 4.12
332 * Add kmalloc failover to vmalloc
333 * Fix: mmap: caches aliased on virtual addresses
334 * Fix: update ext4 instrumentation for kernel 4.13
335 * Fix: Sleeping function called from invalid context
336 * Fix: sched for v4.11.5-rt1
337 * Make vim users life easier
338 * Rename Makefile.ABI.workarounds to Kbuild.common
339 * Fix: handle missing ftrace header on v4.12
340 * Fix: pid tracker should track "pgid"
341 * Cleanup: typo in lttng pid tracker
342 * Fix: Build ftrace probe on kernels prior to 4.12
343 * Fix: update ftrace probe for kernel 4.12
344 * Fix: update block instrumentation for kernel 4.12
345 * Calculate context length outside of retry loop
346 * Fix: Add support for 4.9.27-rt18 kernel
347 * Fix: update btrfs instrumentation for kernel 4.12
348 * Fix: update ringbuffer for kernel 4.12
349 * Fix: update sched instrumentation for kernel 4.12
350 * Fix: ext3 was completely removed from the kernel in v4.3
351 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
352 * Fix: add "flush empty" ioctl for stream intersection
353 * Revert "Fix: flush empty packets on snapshot channel"
354 * Revert "Fix: don't perform extra flush on metadata channel"
355
a7528254
MD
3562017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
357 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
358 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
359 * Fix: Always build vmscan probe
360 * Cleanup: formatting in strutils_star_glob_match explanation
361 * Fix: introduce LTTNG_SIZE_MAX for older kernels
362 * Use SIZE_MAX instead of -1ULL for size_t parameter
363 * filter: use SIZE_MAX for size_t
364 * Fix: out of bound array access in filter code
365 * Add support for star globbing patterns in event names
366 * Filtering: add support for star-only globbing patterns
367 * Add string utilities
368 * lttng-abi.c: cleanup whitespaces
369 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
370 * Fix: kref changes for kernel 4.11
371 * Fix: atomic_add_unless() returns true/false rather than prior value
372 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
373 * Fix: update scsi instrumentation for kernel 4.11
374 * Fix: changes to the vm_op fault cb prototype in libringbuffer
375 * Fix: update btrfs instrumentation for kernel 4.11
376 * Fix: update mm_vmscan instrumentation for kernel 4.11
377 * Fix: section mismatch warning caused by __exit annotation
378 * socketpair: extend syscall socketpair tracing information
379 * Remove events/mainline unused headers
380 * update event README
381 * Fix: nmi-safe clock on 32-bit systems
382 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
383 * Fix: 4.10 hotplug adaptation backward compat
384 * Fix: 4.10 btrfs instrumentation update backward compat
385 * Update btrfs instrumentation for 4.10 kernel
386 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
387 * btrfs instrumentation: update to 4.10 kernel
388 * timer instrumentation: adapt to ktime_t without union
389 * Add load/unload messages to kernel log
390 * Update version to 2.10.0-pre
391 * Fix: asoc instrumentation for RHEL 7.3
392 * Fix: SCSI instrumentation for SLES12 SP2
393 * Add SUSE Linux Enterprise kernel version tests
394 * Filter code relicensing to MIT license
395 * Add task cpu in process statedump
396 * Performance: add missing unlikely in reserve
397 * Fix: preemptible and migratable context error handling
398 * Fix: bump stable kernel version ranges for clock work-around
399
f8af63a2
MD
4002016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
401 * Fix: i2c: support kernels < 3.15
402 * Fix: show warning for broken clock work-around
403 * Bump minor ABI version
404 * Fix: work-around upstream Linux timekeeping bug
405 * Add support for i2c tracepoints
406 * Cleanup: makefile version checks with single "ge"
407 * Performance: special-case NULL in lttng_strlen_user_inatomic
408 * Fix: lttng_inline_memcpy does not take a __user argument
409 * Performance: implement lttng_inline_memcpy
410 * Performance: cache the backend pages pointer in context
411 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
412 * Performance: Only dereference commit index once
413 * Performance: Mark channel and buffer event disabled check unlikely
414 * Performance: Relax atomicity constraints for crash handling
415 * Performance: mark ring buffer do_copy callers always inline
416 * Performance: mark lib_ring_buffer_write always inline
417 * Kconfig: select TRACEPOINTS when built-in
418 * Performance: disable event counting by default
419 * Fix: handle large number of pages or subbuffers per buffer
420 * Fix: unregister cpu hotplug notifier on buffer alloc error
421 * Fix: sa_family is of type unsigned short
422 * Fix: check for sizeof sa_family to save sa_family in accept and connect
423 * Fix: use printk_once() for wrapper warning messages
424 * Fix: btrfs instrumentation for 4.8 kernel
425 * Fix: update mm_vmscan instrumentation for kernel 4.8
426 * Fix: napi instrumentation for 4.8 kernels
427 * Fix: update block instrumentation to compile on 4.8 kernels
428 * Cleanup: reuse code in accept() and accept4() instrumentation
429 * Add x86-64 override for accept4 syscall
430 * Fix: timer wrapper: support kernels >= 4.8
431 * Performance: split check deliver fast/slow paths
432 * Fix: x86-64 accept instrumentation
433 * Fix: Add support for 4.6.4-rt8 kernel
434 * Fix: update scsi instrumentation for 4.7+ kernels
435 * Fix: Use fs_initcall instead of rootfs_initcall
436 * Fix: Add kernel configuration for lttng clock plugin
437 * Fix: the clock plugin must be initiated before first use of the clock
438 * Fix: tests/Kbuild for older kernels
439 * Cleanup: __dynamic_len_idx set but not used warning
440 * Cleanup: coding style and comments of net.h
441 * net: Add TCP header data to net_* tracepoints
442 * net: Add IPv4/IPv6 header data to net_* tracepoints
443 * Fix: endianness for the container type of enum
444 * enumeration autoincrement: use if/else logic
445 * Cleanup trailing whitespaces
446 * lttng-test probe: test ctf_enum_auto()
447 * Add ctf_enum_auto() for autoincrementing enumeration values
448 * Implement session statedump command
449 * Fix: annotate bytecode interpreter for kernel stack validator
450 * Update version to 2.9.0-pre
451 * Fix: ring buffer: honor switch parameter type in remote switch
452 * Fix: only flush non-metadata channels
453 * Fix: don't perform extra flush on metadata channel
454 * select, poll and epoll_wait overrides on ARM 32-bit
455 * Fix: flush empty packets on snapshot channel
456 * Fix: do not generate packet at destroy after stop
457 * Fix: compat ioctl for flush/get metadata version
458 * Fix: ctf_string() should handle NULL pointers
459 * Fix: portability: no arith on void pointer
460 * Fix: add missing tests/Kbuild
461 * Test clock override plugin
462 * Fix: add modules target to base Makefile
463 * Fix: make clean does not include dot-config
464 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
465 * Documentation: document that CONFIG_MODULES not required when builtin
466 * Fix: add missing errno include in random wrapper
467 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
468 * Fix: copy_from_user size when limited allocation
469 * Extract the payload of epoll_wait/epoll_pwait
470 * Extract the payload for epoll_ctl
471 * Extract the FDs and flags from poll and ppoll
472 * Extract the FD sets in select and pselect6
473 * Add ctf_integer_bitfield_type
474 * Implement enumeration type
475 * Implement custom field support
476 * Implement variant type
477 * Implement shadow stack for dynamic len
478 * libringbuffer: implement event too big API
479 * Implement structure, compound array/sequence types
480 * Fix: integer endianness metadata generation
481 * Fix: endianness of integers received by filter
482 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
483 * Fix: RHEL kernel 3.10.0-327.13.1 compat
484 * Fix: ctf_user_integer should not trigger page fault
485 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
486 * Add comment describing ioctl number duplication
487 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
488 * Fix: Remove dead code from filter interpreter
489 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
490 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
491 * Fix: use of uninitialized ret value in lttng_abi_create_event
492 * Fix: kmem instrumentation: remove unused gfpflags.h include
493 * Fix: 4.6 kernel: use in_compat_syscall
494 * Fix: use BUG_ON instead of accessing array subscript above array bounds
495 * Fix: Add granularity to RHEL kernel version checks
496
0dca9206
MD
4972016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
498 * Bump minor tracer ABI version
499 * Fix: build against out-of-tree kernel build
500 * probes/Kbuild: remove upper level header path
501 * Move leftover relative include paths to system paths
502 * syscall instrumentation: use system headers
503 * tracepoint event instrumentation: use system headers
504 * Use system include path in wrappers
505 * libs: use system include paths
506 * Use system header paths in core implementation files
507 * Use system include paths in root directory headers
508 * Use system include paths in probes
509 * Update gitignore
510 * Use system include paths in lttng-types.h
511 * Use system include paths in lttng-tracepoint-event-impl.h
512 * Use system include path in probes/define_trace.h
513 * Use system include paths in probes/lttng-tracepoint-event-impl.h
514 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
515 * Add makefile directory to include path
516 * Fix: event ctx get size should be after chan ctx
517 * Fix: filter interpreter with userspace strings
518 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
519 * Fix: format address fields as hexadecimal
520 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
521 * Fix: system call instrumentation overrides
522 * Fix: page_alloc wrapper incorrect parenthesis
523 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
524 * Fix: add struct user_msghdr forward declaration for older kernels
525 * Cleanup: Remove unused lttng-types module
526 * Fix: add missing versions and init call for page_alloc wrapper
527 * Fix: Define lttng-tracer metadata only once
528 * Fix: Add CONFIG_LTTNG to modules_install target
529 * Fix: Use kbuild env instead of a custom var KERNELDIR
530 * Update clock offset comment
531 * clock offset: print negative value in metadata
532 * Fix: handle negative clock offset
533 * Fix: sched instrumentation for 4.1-rt11
534 * Add RT patch version macros
535 * Expect filter context identifiers starting with $ctx.
536 * ARM64: wire up compat system calls
537 * Add support for arm64 syscalls
538 * Fix: Ubuntu kernel range for block_rq_complete
539 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
540 * Fix: update vmscan instrumentation for kernel 4.5
541 * Fix: check reference counts for overflow
542 * Fix: RHEL 7.2 scsi instrumentation
543 * Fix: RHEL 7.2 kvm instrumentation
544 * Kconfig: describe both module and in-kernel compilation options
545 * Add comments and indentation to Makefile
546 * Add support for built-in kernel build
547 * Rename sub makefiles to Kbuild
548 * Cleanup sub makefiles
549 * Make goals configurable with CONFIG_LTTNG
550 * Fix: Use generic raw_irqs_disabled_flags
551 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
552 * Fix: update sched instrumentation for kernel 4.4.0
553 * Bump version number for development branch
554 * Fix: interruptible context: reversed logic
555 * Contexts for RT debugging
556 * Fix: instrumentation: v4lv2 missing include
557 * Fix: header size larger than 256 bytes
558 * Instrument x86 page faults
559 * Fix: irq_vectors TRACE_SYSTEM name
560 * Instrument x86_irq_vectors
561 * Fix: tracepoint listing misses last loaded probe
562 * Fix: lttng trace-clock needs to disable preemption
563 * Tracepoint event: add "TP_code_post()"
564 * Implement array and sequence bitfields
565 * Fix: kmem: add mm.h include
566 * Add page frame number (pfn) to kmem page events
567 * Use pfn rather than struct page in ring buffer array
568 * Implement clock plugin support
569 * Command to regenerate the metadata of a session
570 * Fix: writeback instrumentation update for 4.3 Linux kernel
571 * Fix: update sched wakeup instrumentation for 4.3 kernel
572 * Fix: lttng-test build failure for kernels < 3.0
573 * Use 3.18 syscall instrumentation for MIPS32
574 * Update the MIPS32 syscall instrumentation to 3.18
575 * Fix: Move pipe override to the arch specific pointers_override.h
576 * Implement lttng test module
577 * Cleanup: remove logically dead code
578 * Fix: filter validator use after free
579 * Fix: use after free in channel release
580 * Fix: non-enabler events should be disabled by default
581 * Fix: build failure on 2.6.36
582 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
583 * Fix: writeback instrumentation for 4.2 kernels
584 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
585 * Add stream instance id to the packet header
586 * Add a packet sequence number
587 * Fix: kmem probe with Ubuntu 3.13 kernels
588 * Fix: disable kvm probe if lapic.h isn't found
589 * Fix: timer instrumentation for 4.2 kernels
590 * Fix: ext4 instrumentation for 4.2 kernels
591 * Fix: kvm instrumentation for 4.2 kernels
592 * Fix: allow LTTng to be built within kernel tree
593
5942015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
595 * Fix: Building the event list fails on fragmented memory
596 * Fix: use after free on metadata cache reallocation
597 * Fix: version checks for kernel 4.0
598 * Fix: Incorrect Ubuntu kernel patchlevel
599 * Fix: cpu-id context should use int type
600 * Implement cpu-id context
601 * Implement cpu_id context for filtering
602 * Fix: context printk mismatch on error
603 * Cleanup: misleading comment about deferrable timer
604 * Fix: arm-32 build
605 * Fix: Update kmem event for Ubuntu's 3.16 kernel
606 * Fix: RHEL 7.1 block instrumentation
607 * Fix: add RHEL version macros
608 * Fix: add missing parenthesis in ubuntu version check
609 * Fix: remove regmap instrumentation for kernels < 4.1
610 * Fix: Update kmem event for recent Ubuntu kernel
611 * Fix: missing statedump end event when block device listing available
612 * Fix: don't generate incorrect macros for debian/ubuntu version check
613 * Revert "Fix: build against Ubuntu kernels"
614 * Fix: build against Ubuntu kernels
615 * Add namespace info in sched_fork and statedump
616 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
617 * Fix: printk instrumentation: remove "condition" tracepoints
618 * Fix: regmap build against kernel 4.0 kernel headers
619 * Add mmu_valid_gen field to mmutrace events
620 * Fix: add missing x86 mmutrace kernel header include
621 * Fix: x86 mmutrace event extra field for kernels >= 3.11
622 * Fix: remove execute flag from kvm.h file
623 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
624 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
625 * Fix: 4.1-rc1 Linux build and regmap instrumentation
626 * Fix: don't clash with older Debian kernel versions
627 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
628 * Fix: discover Debian API
629 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
630 * Fix: atomic.h wrapper for kernels < 2.6.37
631 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
632 * Fix: add missing types.h include for older kernels
633 * Fix: add hlist lttng wrappers
634 * Fix: add struct file_handle forward declaration
635 * Fix: string length calculation reversed user vs kernel args
636 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
637 * Fix: add lttng rcu wrapper to allow tracing RCU
638 * Fix: double-unlock of session mutex
639 * Fix: check that class and instance prototype match
640 * Fix: lttng-events.h check function takes void
641 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
642 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
643 * Fix: Include utsrelease.h in lttng-kernel-version.h
644 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
645 * Fix: old kernels need module.h included before vermagic.h
646 * Fix: net instrumentation for kernels 2.6.39 and below
647 * Fix: version condition in makefile
648 * Implement wrapper around get_pfnblock_flags_mask
649 * Be more restrictive in provider name check
650 * Fix: net instrumentation namespacing
651 * Fix: compaction instrumentation namespacing
652 * Fix: Support 4.x kernel versions in Makefile
653 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
654 * Fix: add missing module.h include to lttng-probe-user.c
655 * Fix: use lttng hlist wrapper in wildcard and filter
656 * Fix: namespace asoc and kmem instrumentation
657 * Fix: update instrumentation after wildcard rebase
658 * Fix: lttng_abi_syscall_list does not need to be exported
659 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
660 * Remove now unused syscalls.h from lttng-modules
661 * Filter: start with enabler "disabled"
662 * Fix coverity warning about sizeof(void **) != sizeof(void *)
663 * Fix length type and text sequence base
664 * Fix: TP_FIELDS: add missing headers
665 * Migrate syscall instrumentation to TP_FIELDS
666 * Migrate tracepoint instrumentation to TP_FIELDS
667 * Implement filtering infrastructure
668 * syscall wildcards: apply syscall filtering
669 * Implement syscall wildcard support
670 * Implement tracepoint wildcard support
671 * Namespace all tracepoints
672 * Implement list.h wrapper for hlist in older kernels
673 * Implement listing of pid tracker content
674 * Implement PID tracking
675 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
676 * Fix: update writeback instrumentation for kernel 4.0+
677 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
678 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
679 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
680 * Fix: missing parenthesis in offset_align_floor
681 * Fix: implement time.h wrapper for FD_ISSET
682 * Fix: update sched instrumentation for 3.19+ kernels
683 * Fix: update rcu instrumentation for 3.19+ kernels
684 * Fix: update scsi instrumentation for 3.19+ kernels
685 * Fix: update module instrumentation for 3.19+ kernels
686 * Fix: Add f_dentry wrapper for 3.19+ kernels
687 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
688 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
689 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
690 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
691 * Conditional compilation introduced by lttng-modules commit
692 * Fix: compaction instrumentation update for 3.14.x stable kernels
693 * Fix: context alignment not properly handled
694 * Fix compilation on Linux kernel >= 3.18.0
695 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
696
af991434
MD
6972014-10-20 LTTng modules 2.6.0-rc1
698 * Expose lttng-modules ABI version ioctl
699 * Fix: syscall list ioctl number conflict
700 * lttng-modules: fix build for non-x86
701 * Fix: syscall listing of session
702 * Print build warning when writeback probe is disabled
703 * Add atomic.h wrapper for before/after atomic
704 * Fix compilation on Ubuntu 14.10
705 * Fix: export name as text array in writeback
706 * Cleanup: remove unused trace_clock_read32()
707 * Use 3.17 ktime_get_mono_fast_ns() new API
708 * Check for stale version.h files
709 * Fix: compile lttng_statedump_process_ns on Ubuntu
710 * Reverse version check logic in lttng_statedump_process_ns
711 * Fix block_rq_complete TP on Ubuntu kernel
712 * Introduce macros to check Ubuntu kernel version
713 * Sync writeback tracepoints from mainline
714 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
715 * Fix: hander negative get_syscall_nr return value
716 * Fix: statedump: close_on_exec flag backward compat
717 * Fix instrumentation of vmscan for older kernels
718 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
719 * Fix: syscall listing: handle "enable all syscall"
720 * Fix: don't allow disabling syscalls when none are enabled
721 * Fix: syscall: fail disable all if all already disabled
722 * Fix: syscall filtering: NULL pointer deref
723 * Cleanup: list syscall without syscall_entry prefix
724 * Fix: syscall_list_show NULL pointer deref
725 * implement syscall mask getter
726 * Cleanup: lttng-abi.h coding style
727 * syscall listing: show syscall ID
728 * Allow events with same name to be enabled for each channel
729 * ABI: use enable a syscall ABI field name
730 * Implement syscall listing
731 * Fix: tracepoint list anonymous file name
732 * Fix: syscall filtering: disable all syscalls
733 * syscall tracing: input/output parameter handling for all arch
734 * lttng-get-syscall-inout.sh depends on bash
735 * Fix generate syscall header script: add missing escape char
736 * syscall instrumentation: handle copy_from_user return value
737 * Rename LTTng syscall instrumentation macros
738 * Rename LTTng instrumentation macros
739 * Extract input/output arguments from accept and connect syscalls
740 * syscall: extract pipe and pipe2 output args
741 * Remove sys_ prefix from syscall names
742 * System call inout/output arg processing
743 * Update syscall inout table
744 * Add syscall inout table
745 * Extract syscall exit ret value on x86 32/64
746 * Extract system call exit return value
747 * Syscall filtering: apply to syscall exit
748 * System call filtering
749 * asoc.h: fix build with v3.17 kernel
750 * Fix: lttng-modules teardown NULL pointer OOPS
751 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
752 * Modernize README using Markdown
753 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
754 * Add cscope to gitignore
755 * Update kvm instrumentation: compile on 3.17-rc1
756 * Update statedump to 3.17 nsproxy locking
757 * Fix: noargs probes should calculate alignment and event length
758 * Update compaction instrumentation to 3.16 kernel
759 * Update vmscan instrumentation to 3.16 kernel
760
789fd1d0
MD
7612014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
762 * (no change)
763
37cbcd7c
MD
7642014-06-27 LTTng modules 2.5.0-rc2
765 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
766 * Fix: statedump handle oom case, handle errors
767 * Fix: correct typo in kernel version number
768 * Fix: blktrace instrumentation for backported branches
769 * Fix: statedump block devices OOPS
770
0d979364
MD
7712014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
772 * Add TID field to some block_* events
773 * Fix: refuse overwrite mode buffers with less than two subbuffers
774 * Fix: lttng modules system call generation script
775 * Dump FD flags and mode on state dump
776 * Fix: incorrect rwbs field type in block_bio_queue
777 * Fix: blktrace instrumentation for v3.2.58+ stable branch
778 * Fix: pass proper args when writing commit counter
779 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
780 * Fix: allow racy tracepoint string input from kernel and userspace
781 * Statedump event for block devices
782 * Fix: update v4l2 instrumentation to 3.15 kernel
783 * Fix: ext4 update instrumentation to 3.15 kernel
784 * Fix: update block instrumentation to 3.15 kernel
785 * Fix: module instrumentation: update to 3.15 kernel
786 * Adapt to 3.15 tracepoint API
787 * Kernel 3.15 don't define map unmap for pipe
788 * Fix: add missing module version in v4l2 probe
789 * Add V4L2 instrumentation
790 * Fix: rcu instrumentation: add const qualifier to char pointers
791 * Fix: add missing module version information
792 * Use kernel 3.13 syscall tables for MIPS32
793 * Add MIPS32 syscalls extracted from a 3.13 kernel
794 * Fix: block instrumentation: < 3.14 don't have bi_iter
795 * Fix: update btrfs instrumentation to kernel 3.14
796 * Fix: update block layer instrumentation to kernel 3.14
797 * Fix: remove __exit annotation
798 * Fix file permissions for lttng-statedump-impl.c
799 * LTTng logger ABI
800
fb2c3779
MD
8012014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
802 * Fix: load state dump even if work-around lookup fails
803 * Cleanup: fix comment
804 * Fix: correctly version kvm events to build against v3.0 kernel
805 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
806
4be86211
MD
8072014-02-14 LTTng modules 2.4.0-rc4
808 * Fix: use after free in ring buffer clients
809 * Fix: Add statedump exit so module is not permanent
810 * Cleanup: move callback init to static initialization
811 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
812
00808267
MD
8132014-01-29 LTTng modules 2.4.0-rc3
814 * Fix: tracepoint event name mapping at unregister
815 * Fix: tracepoint name remapping
816 * Fix: enable event error path memory corruption
817 * Update kvm instrumentation to Linux 3.13
818 * Update sched instrumentation to Linux 3.13
819 * Fix: provide more precise error report for enable event
820 * Fix: quote event name in metadata
821 * Add version info to lttng-tracer.ko modinfo
822
0aa12233
MD
8232013-12-10 LTTng modules 2.4.0-rc2
824 * Fix: client_packet_header() uses wrong packet
825 * Cleanup: fix typo in ring buffer backend comment
826 * Fix: handle unknown event type parameter
827 * Fix: eliminate timestamp overlap between packets
828 * gcc blacklist: only apply when building with gcc
829 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
830
223ca7c5
MD
8312013-11-15 LTTng modules 2.4.0-rc1
832 * Update ext4 instrumentation to Linux 3.12
833 * Update RCU instrumentation to Linux 3.12
834 * Update btrfs instrumentation to 3.12 kernel
835 * Update vmscan instrumentation to Linux 3.12
836 * update: kmem instrumentation 3.12 kernel support
837 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
838 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
839 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
840 * Add new tracepoint in KVM
841 * Blacklist kernels 3.10.13 and 3.11.2
842 * LTTng trace-clock: shrink kernel blacklist
843 * Metadata flush writes data from the cache
844 * Per-stream ioctl to get the current timestamp
845 * LTTng ringbuffer ABI calls for index generation
846 * Prepare LTTng override of ring buffer fops
847 * Blacklist Linux kernels 3.10+
848
78c8710b
MD
8492013-09-03 LTTng modules 2.3.0
850 * Fix: metadata stream should not reference session
851 * Fix: btrfs: support 3.11 Linux kernel
852 * statedump: remove KERN_DEBUG messages
853 * Fix: ext4: add missing tracepoints for 3.11 kernel
854 * Fix: ext4: Linux 3.11 support
855 * Fix: ext3: 3.11 Linux support
856 * Fix: statedump nsproxy 3.11 Linux support
857
cf7ae3e6
MD
8582013-08-30 LTTng modules 2.3.0-rc2
859 * Fix: metadata lttng channel refcount
860 * README: lttng-modules incompatible with lttng 0.x patchset
861
54207845
MD
8622013-07-17 LTTng modules 2.3.0-rc1
863 * Fix: kvm x86 probes side-effect
864 * Fix: allow get/put subbuf in loop for metadata stream
865 * Add support for kvm x86 specific tracepoints
866 * Add mainline headers for kvm x86 tracepoints
867 * Remove old 3.0.4 x86-64 extracted syscall info
868 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
869 * Add syscalls extracted files from a 3.10-rc7 kernel
870 * Improve documentation of the syscall extractor script
871 * Fix: double length of __dynamic_len array
872 * Fix printk instrumentation
873 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
874 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
875 * Fix: SWITCH_FLUSH new sub-buffer checks
876 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
877 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
878 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
879 * Fix: handle writes of length 0
880 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
881 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
882 * print warning and return -EBUSY on double get_subbuf()
883 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
884 * Fix: don't do 0 byte event reservation
885 * Document that payload size need to be greater than 0
886 * Fix build and load against linux-2.6.33.x
887 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
888 * Metadata cache and multiple metadata channels
889 * fix block instrumentation probe signature mismatch for 3.9.x kernels
890 * fix: block instrumentation: NULL pointer dereference
891 * Update rcu instrumentation to 3.9.[0-4]
892 * Fix CPU hotplug section mismatches
893 * Add system calls definitions for powerpc-32
894 * Remove bashism in lttng-syscalls-generate-headers.sh
895 * Update ARM (32 bit) syscall tracepoints to 3.4
896
88c5f61b
MD
8972013-05-09 LTTng modules 2.2.0-rc2
898 * Remove useless lttng_metadata probe
899 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
900 * Fix: 3.9.0 block layer instrumentation build
901 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
902 * Stop build if CONFIG_TRACEPOINTS is not set
903 * Add comments to endifs.
904 * Fix: remove ARM set_tls system call override
905 * Cleanup: arm sys_mmap whitespace
906 * Clean up using global_dirty_limit wrapper for writeback probe
907
78062c79
MD
9082013-03-29 LTTng modules 2.2.0-rc1
909 * Update README
910 * Fix: vmscan instrumentation build
911 * writeback instrumentation: remove duplicated structures
912 * block: update instrumentation to 3.9 rc kernel
913 * rcu: update to 3.9 rc kernel instrumentation
914 * workqueue instrumentation: remove duplicated structures
915 * Rename odd event names
916 * Introduce API to remap event names exposed by LTTng
917 * lttng-module: sched.h: Fix compilation on 3.9 kernel
918 * Fix Linux 3.8 btrfs probe warning
919 * Fix Linux 3.8 ext4 probe support
920 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
921 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
922 * instrumentation sched: add missing fork pid info
923 * Fix check in lttng_strlen_user_inatomic
924 * instrumentation: sync with Linux commit a1ce392
925 * Fix: statedump: missing locking, use lttng_iterate_fd
926 * Implement lttng_iterate_fd wrapper
927 * Instrumentation cleanup: kmem events should print hex pointers
928 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
929 * Fix: statedump hang/too early completion due to logic error
930 * Fix: statedump hang due to incorrect wait/wakeup use
931 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
932 * wrapper/perf.h: Fix kernel version condition
933 * Add new kernel probes instrumentation
934 * Update kernel probes to more detailed match to kernel versions
935 * Fix possible kernel build errors with linux-patches
936 * Add missing MIT license text to 3 files under this license
937 * Update sites using kernel version checking macro to new range
938 * Make upper bound of kernel version checking macro exclusive
939 * sock instrumentation: fix fields to get referenced values
940 * ext3 instrumentation: fix of assignment code conversion
941 * sched instrumentation: rename "pid" fields in sched_process_exec
942 * Remove remaining semicolons in TP_fast_assign blocks
943 * Fix compilation for 3.0 kernels that are named 2.6.40
944 * Fix compilation for 3.0 branch (>= 3.0.39)
945 * Add kernel version checking macro
946 * Remove semicolons in TP_fast_assign blocks
947 * Add ifdefs to net probe to support Linux 2.6.39
948 * Add kernel probes for supplementary subsystems
949 * Check if interrupt action name is not null in statedump
950 * Fix exec instrumentation: only for kernels 3.4.0 and higher
951 * Add TRACE_EVENT(sched_process_exec) to sched.h
952 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
953 * Fix warning with 3.6.0 kernel
954 * ABI with support for compat 32/64 bits
955 * Perform calculation on bit size in 64-bit
956 * Use uint64_t for packet header content size and packet size
957 * Fix: compat layer only on supported architectures
958 * Fix ring buffer 32/64 bits compat
959 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
960 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
961 * Fix: statedump missing check for NULL namespace
962
7cb1d0ee
MD
9632012-09-10 LTTng modules 2.1.0-rc1
964 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
965 * Support for linux kernels 2.6.32 through 2.6.37
966 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
967 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
968 * Add env hostname information
969 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
970 * lttng_statedump_process_state for each PID NS
971 * Support the hostname context
972 * Fix: statedump namespaced pid, tid and ppid
973 * Fix: statedump: disable vm maps enumeration
974 * Fix: ensure userspace accesses are done with _inatomic
975 * Fix: vppid context should test for current nsproxy
976 * Add MIPS system call support
977 * Change mode of lttng-syscalls-generate-headers.sh to 755
978 * cleanup: fix typo in syscall instrumentation header
979 * Cleanup: remove trailing whitespace in README
980 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
981 * LTTng: probe-statedump: add #include <linux/sched.h>
982 * fix: signal_generate event should print utf8 for comm field
983 * Makes write operation a parameter for tp_memcpy macro
984 * Add coding style document
985 * Update instrumentation/events README file
986 * Add makefile target for preprocessor
987 * Fix: free_event_id check should compare unsigned int with -1U
988 * Use unsigned long type for events discarded counter
989 * Fix: update signal instrumentation for 3.4 kernel
990 * LTTng Modules ARM syscall instrumentation
991 * Fix: generate header missing echo -e for escape chars
992 * Fix: add missing uaccess.h include (for ARM)
993 * README: Document that CONFIG_MODULES is required
994 * Fix: README typo
995 * Fix: document required and optional kernel config options in README
996
d2a9270f
MD
9972012-03-29 LTTng modules 2.0.1
998 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
999
10002012-03-20 LTTng modules 2.0.0
730e5783
MD
1001 * First STABLE version
1002 * Add version name
1003
63be4822
MD
10042012-03-20 LTTng modules 2.0.0-rc4
1005 * Update README and add version name place-holder
1006
1bca821c
MD
10072012-03-16 LTTng modules 2.0.0-rc3
1008 * Fix clock offset 32-bit multiplication overflow
1009 * Fix : wrong assign of fd in state dump
1010 * License cleanup, ifdef namespace cleanup
1011 * Fix: ensure power of 2 check handles 64-bit size_t entirely
1012
4d1704b6
MD
10132012-03-02 LTTng modules 2.0.0-rc2
1014 * Fix: dmesg printout should not print metadata warnings
1015 * Fix: use transport name as channel name
1016 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
1017
f66cbcc8
MD
10182012-02-20 LTTng modules 2.0.0-rc1
1019 * Standardize version across toolchain
1020 * statedump: Use old macro name for kernel 2.6.38
1021
2646f1db
MD
10222012-02-16 LTTng modules 2.0-pre15
1023 * Add timer instrumentation
1024 * fix: need to undef mainline define
1025 * fix: Include signal.h instead of irq.h for prototype match check
1026 * Add signal instrumentation
1027
3e8b3fb8
MD
10282012-02-16 LTTng modules 2.0-pre14
1029 * syscall tracing: sys_getcpu
1030 * Add sys_clone x86 instrumentation
1031 * statedump: fix include circular dep
1032 * Implement state dump
1033
ed5a7a8f
MD
10342012-02-09 LTTng modules 2.0-pre13
1035 * Update README
1036 * environment: write sysname, release, version, domain to metadata
1037 * Allow open /proc/lttng for read & write
1038
497051bd
MD
10392012-02-02 LTTng modules 2.0-pre12
1040 * Add x86 32/64 execve syscall instrumentation override
1041 * Remove unused defines
1042 * Add padding to ABI
1043 * Use LTTNG_KERNEL_SYM_NAME_LEN
1044 * Update version to 1.9.9
1045 * Add missing double-quotes to clock uuid
1046 * clock: read bootid as clock monotonic ID
1047 * Fix comment
1048 * Cleanup comment
1049 * clock: output clock description in metadata
1050 * Properly fix the timekeeping overflow detection
1051 * Fix init bug
1052 * rename lib-ring-buffer to lttng-lib-ring-buffer
1053 * Remove #warning
1054 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
1055 * Update TODO
1056 * Update TODO
1057 * Remove debugfs file (keep only proc file)
1058 * Rename lttng-debugfs-abi files to lttng-abi
1059
4d3e89e3
MD
10602011-12-13 LTTng modules 2.0-pre11
1061 * Fix OOPS caused by reference of config pointer
1062 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
1063 * lttng lib: ring buffer move null pointer check to open
1064 * lttng lib: ring buffer remove duplicate null pointer
1065 * lttng lib: ring buffer: remove stale null-pointer
1066 * lttng wrapper: add missing include to kallsyms wrapper
1067 * lttng: cleanup one-bit signed bitfields
1068 * Add TODO file
1069 * Update symbol name length max size to 256
1070 * Fix last modifications to string_from_user operations
1071 * Document that depmod needs to be executed by hand
1072 * Fix strlen_user fault space reservation
1073 * Fix tp_copy_string_from_user handling of faults
1074 * Disable block layer tracing support for kernels < 2.6.38
1075 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
1076 * Update trace clock warning to match the current development plan
1077 * ringbuffer: make ring buffer printk less verbose
1078 * Makefile: do not run depmod manually
1079
e2222c2e
MD
10802011-09-30 LTTng modules 2.0-pre10
1081 * x86-32: override sys_mmap syscall instrumentation
1082 * Fix cast warning
1083
bfb508ed
MD
10842011-09-29 LTTng modules 2.0-pre9
1085 * x86 32 syscalls: fix !CONFIG_UID16
1086 * Use __string_from_user
1087 * Add __string_from_user
1088 * Rename "comm" context to "procname"
1089 * Fetch "type" name field for mount syscall
1090 * Create common override file for all architectures
1091 * Shrink stack size usage
1092 * Cleanup: remove unused lttng-compat-syscalls.c file
1093 * Support detailed compat syscalls on x86_64
1094 * Fix syscall table
1095 * Add disabled compat syscalls detail (work in progress)
1096 * Add config compat support for detailed x86_32 syscalls
1097 * Handle newer 3.1+ perf API
1098 * Add dummy x86-32 override headers
1099 * Bind x86-32 syscall headers
1100 * Add x86-32 syscall headers
1101 * Add check for KALLSYMS_ALL in syscall extraction script
1102 * Automate string extraction for syscalls
1103 * Automate syscall filename/pathname extraction
1104 * Add exit to ring_buffer_frontend so module is unloadable
1105 * Add sys_open filename (x86_64)
1106 * Add missing memcpy callback
1107 * copy_from_user and memset
1108 * Add missing alignment after header write
1109 * lib ring buffer: add frontend init as module_init
1110 * lib ring buffer frontend: add missing lock initialization
1111 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
1112 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
1113 * Create override for sys_mmap
1114 * Rename syscalls -> syscall in LTTng ABI
1115 * Use different event name for compat syscalls
1116 * Allow trace syscall table override
1117 * Add dummy override files
1118 * syscall detail: add override capability
1119 * Add pointer pretty-print heuristics
1120 * Add __field_hex
1121 * Rename sys exit errno into ret
1122 * Enable detailed syscalls only for native x86_64
1123 * Use "unknown" for compat syscalls
1124 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
1125 * Fix syscall exit
1126 * Fix sys exit
1127 * Only enable detailed syscalls for x86_64 for now
1128 * Merge unknown syscall method with extended detail method
1129 * Add underscore prefix before event names
1130 * Add syscalls pointers detailed syscall tracing
1131 * Use perl for regexp
1132 * Support generation of syscall probes for those with pointers
1133 * Support detailed syscalls with 0 arguments
1134 * detailed syscall tracing (work in progress)
1135 * Expose /proc/lttng file
1136 * Implement detailed syscall event probe
1137 * Disable perf build for < 2.6.33 kernels
1138 * Syscall detail mode: generate syscall table
1139 * block instrumentation: write cmd as hex sequence
1140 * lttng-events TRACE_EVENT generator cleanup
1141 * block layer instrumentation: fix cmd field
1142 * Remove 0 args syscalls for now from type-aware syscall cb generator
1143 * Generate trace syscall table macros
1144 * Put syscall tracing without arg types back in place
1145 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
1146 * lttng events probes: don't clash with "ctx" variable name
1147 * lib ring buffer must take private pointer copy before decrementing refcount
1148
47655e60
MD
11492011-08-16 LTTng modules 2.0-pre8
1150 * Fix metadata buffer wait/wakeup
1151
99a93317
MD
11522011-08-12 LTTng modules 2.0-pre7
1153 * Add missing module refcount to lttng_tracepoint_list_fops
1154 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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