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Version 2.12.3
[lttng-modules.git] / ChangeLog
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96aaa47d
MD		 12020-10-02 (World Smile Day) LTTng modules 2.12.3
2 * fix: Use 'kernel_read' to read from procfs
3 * fix: don't allow userspace copy to read kernel memory
4 * fix: Add a 1MB limit to lttng_strlen_user_inatomic
5 * fix: Adjust ranges for Ubuntu 4.15.0-119 kernel
6 * fix: Adjust ranges for Ubuntu HWE 5.0 kernels
7 * Fix: system call filter table
8 * fix: version ranges for ext4_discard_preallocations and writeback_queue_io
9 * fix: writeback: Fix sync livelock due to b_dirty_time processing (v5.9)
10 * fix: writeback: Drop I_DIRTY_TIME_EXPIRE (v5.9)
11 * fix: removal of [smp_]read_barrier_depends (v5.9)
12 * fix: ext4: indicate via a block bitmap read is prefetched… (v5.9)
13 * fix: ext4: limit the length of per-inode prealloc list (v5.9)
14 * fix: KVM: x86/mmu: Make kvm_mmu_page definition and accessor internal-only (v5.9)
15 * fix: Move mmutrace.h into the mmu/ sub-directory (v5.9)
16 * Kconfig: fix dependency issue when building in-tree without CONFIG_FTRACE
17
68c6ec30
MD		 182020-08-04 (National Chocolate Chip Cookie Day) LTTng modules 2.12.2
19 * Fix: Lock metadata cache on session destroy
20 * Fix: metadata stream leak, missing list removal and locking
21 * Fix: coherent state not changed atomically with metadata written
22 * fix: include module.h for EXPORT_SYMBOL_GPL
23 * fix: __lttng_vmalloc_node_range const caller introduced in v3.6
24 * fix: version range for overflow_callback
25 * fix: global_dirty_limit was introduced in v3.1
26 * fix: wrapper_uprobe_unregister is a void function
27 * fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
28 * fix: vmalloc on v5.8 without KALLSYMS
29 * Detect missing symbols used with kallsyms_lookup at compile time
30 * Use exported symbol bdevname() instead of disk_name()
31 * Add git-review config
32 * fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
33 * fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
34 * fix: block: remove the error argument to the block_bio_complete (v5.8)
35 * fix: pipe_buf_operations rework (v5.8)
36
df4cb9b0
MD		 372020-06-02 (National Leave the Office Early Day (or Simply Stay Home ?) LTTng modules 2.12.1
38 * Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
39 * fix: vmalloc_sync_mappings was backported to v5.5.12
40 * Update: Additional kernel ranges for vmalloc_sync_mappings
41 * Update: Use vmalloc_sync_mappings for stable kernels
42 * Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
43 * fix: add missing guid_t type to wrapper
44 * Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
45 * Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
46 * Unbreak LTTng for kernel 5.7
47 * Move lttng wrappers into own module
48 * Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
49 * instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
50 * instrumentation: update mm_vmscan for kernel >= 5.7.0
51
b7f2fbac
MD		 522020-04-08 (The Day After National Beer Day) LTTng modules 2.12.0
53 * fix: uaccess wrapper for CentOS >= 4.18.0-147
54 * fix: ext4 instrumentation for CentOS >= 4.18.0-147
55 * fix: signal instrumentation for CentOS >= 4.18.0-147
56 * fix: kvm instrumentation for CentOS >= 4.18.0-147
57 * fix: rcu instrumentation for CentOS >= 4.18.0-80
58 * Fix: update kvm instrumentation for Ubuntu 5.3.0-45
59
9753ec23
MD		 602020-03-27 (International Stay At Home Month) LTTng modules 2.12.0-rc3
61 * Fix: update kvm instrumentation for Ubuntu 5.3.0-43
62 * Fix: update kvm instrumentation for Ubuntu 4.15.0-92
63 * statedump: introduce file_table_address
64 * Remove lttng-ftrace integration
65 * Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
66 * Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
67 * Remove work-around for signed tracepoint module tainting (kernel 3.15+)
68
0d5d7b33
MD		 692020-02-25 (National Chocolate Covered Nut Day) LTTng modules 2.12.0-rc2
70 * Fix: lttng-events.c: variable may be used uninitialized
71 * Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
72 * fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
73 * fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
74 * fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
75 * fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
76 * fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
77 * fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
78 * fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
79 * fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
80 * fix: use timespec64 on kernels that have it
81 * fix: move lttng_close_on_exec to proper wrapper
82 * fix: 'struct timex' removed upstream (v5.6)
83 * Fix: statedump: consistently check task_cred_xxx() return value for NULL
84 * Fix: statedump: check task_active_pid_ns return value for NULL
85 * sched: Make the sched_switch task state an enum
86 * block: Make the rwbs field as a bit field enum
87
ada81c8b
MD		 882020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
89 * Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
90 * Version 2.12.0-pre
91 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 5
92 * fix: use user ns wrapper code in new id trackers
93 * fix: function prototype in wrapper/mm.h
94 * ID tracker: implement vpid/uid/vuid/gid/vgid trackers
95 * lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
96 * lttng-clear: stop tracing required
97 * sunrpc: introduce lttng_get_clid helper
98 * Fix: sunrpc: use signed integer for client id
99 * Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
100 * Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
101 * fix: ext4: Reserve revoke credits for freed blocks (v5.5)
102 * fix: btrfs: tracepoints: constify all pointers (v5.5)
103 * fix: btrfs block group struct refactor (v5.5)
104 * fix: y2038: itimer: change implementation to timespec64 (v5.5)
105 * Update .gitignore from upstream
106 * Add missing include for kernels between 3.8 and 3.15
107 * Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
108 * net: Add entry/exit tracepoints for all receive paths
109 * statedump: Add thread ID (tid) to interrupt
110 * metadata: Add the product uuid to the 'env' section
111 * Cleanup: statedump process state event pid namespace fields
112 * Add namespaces statedump
113 * Add uid/gid contexts
114 * Add namespace contexts
115 * README.md: Document LTTNG_TRACEPOINT_EVENT
116 * README.md: cleanup formatting for bullet lists
117 * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
118 * Cleanup: Silence gcc fall-through warning
119 * Fix: update sched prev_state instrumentation for upstream kernel
120 * Fix: gcc-9.1 stack frame size warning
121 * Implement ring buffer clear
122 * Make bitfield.h C++-friendly
123 * Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
124 * Add metadata env fields
125 * Introduce LTTNG_KERNEL_SESSION_SET_NAME
126 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
127 * Fix: missing define when not building with gcc
128 * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
129 * Fix: Don't print ring-buffer's records count when it is not used
130 * Fix: do not set quiescent state on channel destroy
131 * Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
132 * Introduce callstack stackwalk implementation header
133 * Prepare callstack common code for stackwalk
134 * Introduce callstack legacy implementation header
135 * fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
136 * fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
137 * fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
138 * fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
139 * fix: timer/trace: Improve timer tracing (v5.2)
140 * Cleanup: bitfields: streamline use of underscores
141 * Silence compiler "always false comparison" warning
142 * Fix: bitfield: shift undefined/implementation defined behaviors
143 * Fix: timestamp_end field should include all events within sub-buffer
144 * Fix: Remove start and number from syscall_get_arguments() args (v5.1)
145 * lttng abi documentation: clarify getter usage requirements
146 * Fix: don't access packet header for stream_id and stream_instance_id getters
147 * Fix: atomic_long_add_unless() returns a boolean
148 * Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
149 * Fix: pipe: stop using ->can_merge (v5.1)
150 * Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
151 * Fix: mm: create the new vm_fault_t type (v5.1)
152 * Fix: extra-version-git.sh redirect stderr to /dev/null
153 * Move timekeeping blacklisting to a header file
154 * Blacklist: kprobe for arm
155 * Cleanup: tp mempool: Remove logically dead code
156 * Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
157 * Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
158 * Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
159 * Fix: Remove 'type' argument from access_ok() function (v5.0)
160 * Fix: timer instrumentation for RHEL 7.6
161 * Add missing SPDX license identifiers to uprobes
162 * Drop support for kernels < 3.0 from Makefiles
163 * Drop support for kernels < 3.0 from writeback instrumentation
164 * Drop support for kernels < 3.0 from workqueue instrumentation
165 * Drop support for kernels < 3.0 from skb instrumentation
166 * Drop support for kernels < 3.0 from scsi instrumentation
167 * Drop support for kernels < 3.0 from sched instrumentation
168 * Drop support for kernels < 3.0 from power instrumentation
169 * Drop support for kernels < 3.0 from net instrumentation
170 * Drop support for kernels < 3.0 from module instrumentation
171 * Drop support for kernels < 3.0 from mm_vmscan instrumentation
172 * Drop support for kernels < 3.0 from lock instrumentation
173 * Drop support for kernels < 3.0 from kvm instrumentation
174 * Drop support for kernels < 3.0 from kmem instrumentation
175 * Drop support for kernels < 3.0 from jbd2 instrumentation
176 * Drop support for kernels < 3.0 from irq instrumentation
177 * Drop support for kernels < 3.0 from ext4 instrumentation
178 * Drop support for kernels < 3.0 from block instrumentation
179 * Drop support for kernels < 3.0 from lttng-statedump-impl.c
180 * Drop support for kernels < 3.0 from lttng-kernel-version.h
181 * Drop support for kernels < 3.0 from lttng-events.h
182 * Drop support for kernels < 3.0 from lib
183 * Drop spinlock.h wrapper
184 * Drop kstrtox.h wrapper
185 * Drop uuid.h wrapper
186 * Drop vzalloc.h wrapper
187 * Drop support for kernels < 3.0 from tracepoint.h wrapper
188 * Drop support for kernels < 3.0 from perf.h wrapper
189 * Drop support for kernels < 3.0 from atomic.h wrapper
190 * Drop compat patches for kernels < 2.6.36
191 * Bump minimum kernel version to 3.0
192 * Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
193 * Fix: signal: Remove SEND_SIG_FORCED (v4.20)
194 * Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
195 * statedump cpu topology: introduce LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
196 * CPU topology statedump on x86
197 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
198 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
199 * Fix: adapt to kernel relative references
200 * Fix: sync event enablers before choosing header type
201 * Fix: implicit declarations caused by buffer size checks.
202 * Prevent allocation of buffers if exceeding available memory
203 * Fix: btrfs instrumentation namespacing
204 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
205 * Fix: tracing: Centralize preemptirq tracepoints (4.19)
206 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
207 * Fix: access migrate_disable field directly
208 * Fix: out of memory error handling
209 * Fix: uprobes: missing break in lttng_event_ioctl()
210 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
211 * Fix: instruction pointer has different names across arch
212 * Fix: build failures when CONFIG_UPROBES is absent
213 * uprobe: Support multiple call sites for the same uprobe event
214 * uprobe: Receive file descriptor from session instead of path to file
215 * uprobe: Mark uprobe event as registered
216 * Add uprobes support
217 * Fix: adjust SLE version ranges to build with SP2 and SP3
218 * Fix: Allow alphanumeric characters in SLE version
219 * Fix: Adjust range for SuSE 4.4.103-92 kernels
220 * Cleanup: move to kernel style SPDX license identifiers
221 * Cleanup: move scripts to subdirectory
222 * Cleanup: modinfo keys
223 * Add extra version information framework
224 * Revert "Add btrfs file item tracepoints"
225 * Fix: btrfs: Remove unnecessary fs_info parameter
226 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
227 * Fix: asoc: Remove snd_soc_cache_sync() implementation
228 * Fix: asoc: fix printing jack name
229 * Fix: asoc: Consolidate path trace events
230 * Fix: ASoC level IO tracing removed upstream
231 * Enable userspace callstack contexts only on x86
232 * Prevent re-entrancy in callstack-user context
233 * Callstack context: bump number of entries to 128
234 * Fix: callstack context alignment calculation
235 * Cleanup callstack context
236 * Fix callstack context: write empty sequence if no stack trace
237 * Fix: callstack context: false-sharing, bad memory size allocation
238 * callstack context: use delimiter when stack is incomplete
239 * Cleanup callstack context
240 * Add kernel and user callstack contexts
241 * Assign CPU id before saving the context size
242 * Define max nesting count constant
243 * Compute variable sized context length
244 * Pass arguments for context size computation
245 * Add 9p probe
246 * Update delayed ref tracepoints for v3.12
247 * Add btrfs file item tracepoints
248 * Add btrfs tracepoint for em's EEXIST case
249 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
250 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
251 * Fix: lttng filter validator ERANGE error handling
252 * Fix: filter interpreter: use LTTNG_SIZE_MAX
253 * Filter: add FILTER_OP_RETURN_S64 instruction
254 * Perform bitwise ops on unsigned types
255 * Filter: catch shift undefined behavior
256 * Filter: add lshift, rshift, bit not ops
257 * Filter: index array, sequences, implement bitwise binary operators
258 * Fix: pid tracker should track "pgid" for noargs probes
259 * lttng-tp-mempool: perform node-local allocation
260 * Fix: update RCU instrumentation for 4.17
261 * Fix: sunrpc instrumentation for 4.17
262 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
263 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
264 * Update: kvm instrumentation for ubuntu 4.13.0-38
265 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
266 * Fix: btrfs instrumentation namespacing
267 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
268 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
269 * Fix: update kvm instrumentation for 4.1.50+
270 * Use the memory pool instead of kmalloc
271 * Create a memory pool for temporary tracepoint probes storage
272 * Fix: use proper pid_ns in the process statedump
273 * Fix: add variable quoting to shell scripts
274 * Update: kvm instrumentation for fedora 4.14.13-300
275 * Fix: Add Fedora version macros
276 * Add preemptirq instrumentation
277 * Clean-up: fix stale #endif comments
278 * Command to dump the metadata cache again
279 * Add a new /dev/lttng-logger interface
280 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
281 * Fix: update block instrumentation for SuSE 4.4.114-92
282 * Fix: update rcu instrumentation for v4.16
283 * Fix: update vmscan instrumentation for v4.16
284 * Fix: update timer instrumentation on 4.16 and 4.14-rt
285 * Update kvm instrumentation for debian kernel 4.14.0-3
286 * Fix: network instrumentation protocol enum
287 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
288 * Fix: update block instrumentation for SuSE 4.4.73-5
289 * Fix: global_dirty_limit for kernel v4.2 and up
290 * Fix: network instrumentation handling of corrupted TCP headers
291 * Fix: add missing uaccess.h include from kstrtox.h wrapper
292 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
293 * Fix: btrfs_delayed_ref_head was unwired since v3.12
294 * Update kvm instrumentation for debian kernel 4.9.65-3
295 * Fix: debian kernel version parsing
296 * Fix: block instrumentation 4.14+ NULL pointer dereference
297 * Update: kvm instrumentation for 3.16.52 and 3.2.97
298 * Fix: kvm instrumentation for 4.15
299 * Update sock instrumentation for 4.15
300 * Update kvm instrumentation for 4.15
301 * Fix: ACCESS_ONCE() removed in kernel 4.15
302 * Fix: sched instrumentation on stable RT kernels
303 * timer API transition for kernel 4.15
304 * Fix: Don't nest get online cpus
305 * Fix: lttng_channel_syscall_mask() bool use in bitfield
306 * Fix: update kmem instrumentation for kernel 4.15
307 * Fix: lttng_kvmalloc helper NULL pointer OOPS
308
aca13e38
MD		 3092018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
310 * Fix: uprobes: missing break in lttng_event_ioctl()
311 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
312 * Fix: instruction pointer has different names across arch
313 * Fix: build failures when CONFIG_UPROBES is absent
314 * uprobe: Support multiple call sites for the same uprobe event
315 * uprobe: Receive file descriptor from session instead of path to file
316 * uprobe: Mark uprobe event as registered
317 * Add uprobes support
318 * Fix: adjust SLE version ranges to build with SP2 and SP3
319 * Fix: Allow alphanumeric characters in SLE version
320 * Fix: Adjust range for SuSE 4.4.103-92 kernels
321 * Cleanup: move to kernel style SPDX license identifiers
322 * Cleanup: move scripts to subdirectory
323 * Cleanup: modinfo keys
324 * Add extra version information framework
325 * Revert "Add btrfs file item tracepoints"
326 * Fix: btrfs: Remove unnecessary fs_info parameter
327 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
328 * Fix: asoc: Remove snd_soc_cache_sync() implementation
329 * Fix: asoc: fix printing jack name
330 * Fix: asoc: Consolidate path trace events
331 * Fix: ASoC level IO tracing removed upstream
332 * Enable userspace callstack contexts only on x86
333 * Prevent re-entrancy in callstack-user context
334 * Callstack context: bump number of entries to 128
335 * Fix: callstack context alignment calculation
336 * Cleanup callstack context
337 * Fix callstack context: write empty sequence if no stack trace
338 * Fix: callstack context: false-sharing, bad memory size allocation
339 * callstack context: use delimiter when stack is incomplete
340 * Cleanup callstack context
341 * Add kernel and user callstack contexts
342 * Assign CPU id before saving the context size
343 * Define max nesting count constant
344 * Compute variable sized context length
345 * Pass arguments for context size computation
346 * Add 9p probe
347 * Update delayed ref tracepoints for v3.12
348 * Add btrfs file item tracepoints
349 * Add btrfs tracepoint for em's EEXIST case
350 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
351 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
352 * Fix: lttng filter validator ERANGE error handling
353 * Fix: filter interpreter: use LTTNG_SIZE_MAX
354 * Filter: add FILTER_OP_RETURN_S64 instruction
355 * Perform bitwise ops on unsigned types
356 * Filter: catch shift undefined behavior
357 * Filter: add lshift, rshift, bit not ops
358 * Filter: index array, sequences, implement bitwise binary operators
359 * Fix: pid tracker should track "pgid" for noargs probes
360 * lttng-tp-mempool: perform node-local allocation
361 * Fix: update RCU instrumentation for 4.17
362 * Fix: sunrpc instrumentation for 4.17
363 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
364 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
365 * Update: kvm instrumentation for ubuntu 4.13.0-38
366 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
367 * Fix: btrfs instrumentation namespacing
368 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
369 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
370 * Fix: update kvm instrumentation for 4.1.50+
371 * Use the memory pool instead of kmalloc
372 * Create a memory pool for temporary tracepoint probes storage
373 * Fix: use proper pid_ns in the process statedump
374 * Fix: add variable quoting to shell scripts
375 * Update: kvm instrumentation for fedora 4.14.13-300
376 * Fix: Add Fedora version macros
377 * Add preemptirq instrumentation
378 * Clean-up: fix stale #endif comments
379 * Command to dump the metadata cache again
380 * Add a new /dev/lttng-logger interface
381 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
382 * Fix: update block instrumentation for SuSE 4.4.114-92
383 * Fix: update rcu instrumentation for v4.16
384 * Fix: update vmscan instrumentation for v4.16
385 * Fix: update timer instrumentation on 4.16 and 4.14-rt
386 * Update kvm instrumentation for debian kernel 4.14.0-3
387 * Fix: network instrumentation protocol enum
388 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
389 * Fix: update block instrumentation for SuSE 4.4.73-5
390 * Fix: global_dirty_limit for kernel v4.2 and up
391 * Fix: network instrumentation handling of corrupted TCP headers
392 * Fix: add missing uaccess.h include from kstrtox.h wrapper
393 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
394 * Fix: btrfs_delayed_ref_head was unwired since v3.12
395 * Update kvm instrumentation for debian kernel 4.9.65-3
396 * Fix: debian kernel version parsing
397 * Fix: block instrumentation 4.14+ NULL pointer dereference
398 * Update: kvm instrumentation for 3.16.52 and 3.2.97
399 * Fix: kvm instrumentation for 4.15
400 * Update sock instrumentation for 4.15
401 * Update kvm instrumentation for 4.15
402 * Fix: ACCESS_ONCE() removed in kernel 4.15
403 * Fix: sched instrumentation on stable RT kernels
404 * timer API transition for kernel 4.15
405 * Fix: Don't nest get online cpus
406 * Fix: lttng_channel_syscall_mask() bool use in bitfield
407 * Fix: update kmem instrumentation for kernel 4.15
408 * Fix: lttng_kvmalloc helper NULL pointer OOPS
409 * Update version to 2.11.0-pre
410 * Fix: lttng-logger get_user_pages_fast error handling
411 * Fix: update block instrumentation for 4.14 kernel
412 * Revert "Fix: update block instrumentation for kernel 4.14"
413 * Fix: version check error in btrfs instrumentation
414 * Fix: update btrfs instrumentation for kernel 4.14
415 * Fix: update writeback instrumentation for kernel 4.14
416 * Fix: update block instrumentation for kernel 4.14
417 * Fix: vmalloc wrapper on kernel < 2.6.38
418 * Fix: vmalloc wrapper on kernel >= 4.12
419 * Add kmalloc failover to vmalloc
420 * Fix: mmap: caches aliased on virtual addresses
421 * Fix: update ext4 instrumentation for kernel 4.13
422 * Fix: Sleeping function called from invalid context
423 * Fix: sched for v4.11.5-rt1
424 * Make vim users life easier
425 * Rename Makefile.ABI.workarounds to Kbuild.common
426 * Fix: handle missing ftrace header on v4.12
427 * Fix: pid tracker should track "pgid"
428 * Cleanup: typo in lttng pid tracker
429 * Fix: Build ftrace probe on kernels prior to 4.12
430 * Fix: update ftrace probe for kernel 4.12
431 * Fix: update block instrumentation for kernel 4.12
432 * Calculate context length outside of retry loop
433 * Fix: Add support for 4.9.27-rt18 kernel
434 * Fix: update btrfs instrumentation for kernel 4.12
435 * Fix: update ringbuffer for kernel 4.12
436 * Fix: update sched instrumentation for kernel 4.12
437 * Fix: ext3 was completely removed from the kernel in v4.3
438 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
439 * Fix: add "flush empty" ioctl for stream intersection
440 * Revert "Fix: flush empty packets on snapshot channel"
441 * Revert "Fix: don't perform extra flush on metadata channel"
442
a7528254
MD		 4432017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
444 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
445 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
446 * Fix: Always build vmscan probe
447 * Cleanup: formatting in strutils_star_glob_match explanation
448 * Fix: introduce LTTNG_SIZE_MAX for older kernels
449 * Use SIZE_MAX instead of -1ULL for size_t parameter
450 * filter: use SIZE_MAX for size_t
451 * Fix: out of bound array access in filter code
452 * Add support for star globbing patterns in event names
453 * Filtering: add support for star-only globbing patterns
454 * Add string utilities
455 * lttng-abi.c: cleanup whitespaces
456 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
457 * Fix: kref changes for kernel 4.11
458 * Fix: atomic_add_unless() returns true/false rather than prior value
459 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
460 * Fix: update scsi instrumentation for kernel 4.11
461 * Fix: changes to the vm_op fault cb prototype in libringbuffer
462 * Fix: update btrfs instrumentation for kernel 4.11
463 * Fix: update mm_vmscan instrumentation for kernel 4.11
464 * Fix: section mismatch warning caused by __exit annotation
465 * socketpair: extend syscall socketpair tracing information
466 * Remove events/mainline unused headers
467 * update event README
468 * Fix: nmi-safe clock on 32-bit systems
469 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
470 * Fix: 4.10 hotplug adaptation backward compat
471 * Fix: 4.10 btrfs instrumentation update backward compat
472 * Update btrfs instrumentation for 4.10 kernel
473 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
474 * btrfs instrumentation: update to 4.10 kernel
475 * timer instrumentation: adapt to ktime_t without union
476 * Add load/unload messages to kernel log
477 * Update version to 2.10.0-pre
478 * Fix: asoc instrumentation for RHEL 7.3
479 * Fix: SCSI instrumentation for SLES12 SP2
480 * Add SUSE Linux Enterprise kernel version tests
481 * Filter code relicensing to MIT license
482 * Add task cpu in process statedump
483 * Performance: add missing unlikely in reserve
484 * Fix: preemptible and migratable context error handling
485 * Fix: bump stable kernel version ranges for clock work-around
486
f8af63a2
MD		 4872016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
488 * Fix: i2c: support kernels < 3.15
489 * Fix: show warning for broken clock work-around
490 * Bump minor ABI version
491 * Fix: work-around upstream Linux timekeeping bug
492 * Add support for i2c tracepoints
493 * Cleanup: makefile version checks with single "ge"
494 * Performance: special-case NULL in lttng_strlen_user_inatomic
495 * Fix: lttng_inline_memcpy does not take a __user argument
496 * Performance: implement lttng_inline_memcpy
497 * Performance: cache the backend pages pointer in context
498 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
499 * Performance: Only dereference commit index once
500 * Performance: Mark channel and buffer event disabled check unlikely
501 * Performance: Relax atomicity constraints for crash handling
502 * Performance: mark ring buffer do_copy callers always inline
503 * Performance: mark lib_ring_buffer_write always inline
504 * Kconfig: select TRACEPOINTS when built-in
505 * Performance: disable event counting by default
506 * Fix: handle large number of pages or subbuffers per buffer
507 * Fix: unregister cpu hotplug notifier on buffer alloc error
508 * Fix: sa_family is of type unsigned short
509 * Fix: check for sizeof sa_family to save sa_family in accept and connect
510 * Fix: use printk_once() for wrapper warning messages
511 * Fix: btrfs instrumentation for 4.8 kernel
512 * Fix: update mm_vmscan instrumentation for kernel 4.8
513 * Fix: napi instrumentation for 4.8 kernels
514 * Fix: update block instrumentation to compile on 4.8 kernels
515 * Cleanup: reuse code in accept() and accept4() instrumentation
516 * Add x86-64 override for accept4 syscall
517 * Fix: timer wrapper: support kernels >= 4.8
518 * Performance: split check deliver fast/slow paths
519 * Fix: x86-64 accept instrumentation
520 * Fix: Add support for 4.6.4-rt8 kernel
521 * Fix: update scsi instrumentation for 4.7+ kernels
522 * Fix: Use fs_initcall instead of rootfs_initcall
523 * Fix: Add kernel configuration for lttng clock plugin
524 * Fix: the clock plugin must be initiated before first use of the clock
525 * Fix: tests/Kbuild for older kernels
526 * Cleanup: __dynamic_len_idx set but not used warning
527 * Cleanup: coding style and comments of net.h
528 * net: Add TCP header data to net_* tracepoints
529 * net: Add IPv4/IPv6 header data to net_* tracepoints
530 * Fix: endianness for the container type of enum
531 * enumeration autoincrement: use if/else logic
532 * Cleanup trailing whitespaces
533 * lttng-test probe: test ctf_enum_auto()
534 * Add ctf_enum_auto() for autoincrementing enumeration values
535 * Implement session statedump command
536 * Fix: annotate bytecode interpreter for kernel stack validator
537 * Update version to 2.9.0-pre
538 * Fix: ring buffer: honor switch parameter type in remote switch
539 * Fix: only flush non-metadata channels
540 * Fix: don't perform extra flush on metadata channel
541 * select, poll and epoll_wait overrides on ARM 32-bit
542 * Fix: flush empty packets on snapshot channel
543 * Fix: do not generate packet at destroy after stop
544 * Fix: compat ioctl for flush/get metadata version
545 * Fix: ctf_string() should handle NULL pointers
546 * Fix: portability: no arith on void pointer
547 * Fix: add missing tests/Kbuild
548 * Test clock override plugin
549 * Fix: add modules target to base Makefile
550 * Fix: make clean does not include dot-config
551 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
552 * Documentation: document that CONFIG_MODULES not required when builtin
553 * Fix: add missing errno include in random wrapper
554 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
555 * Fix: copy_from_user size when limited allocation
556 * Extract the payload of epoll_wait/epoll_pwait
557 * Extract the payload for epoll_ctl
558 * Extract the FDs and flags from poll and ppoll
559 * Extract the FD sets in select and pselect6
560 * Add ctf_integer_bitfield_type
561 * Implement enumeration type
562 * Implement custom field support
563 * Implement variant type
564 * Implement shadow stack for dynamic len
565 * libringbuffer: implement event too big API
566 * Implement structure, compound array/sequence types
567 * Fix: integer endianness metadata generation
568 * Fix: endianness of integers received by filter
569 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
570 * Fix: RHEL kernel 3.10.0-327.13.1 compat
571 * Fix: ctf_user_integer should not trigger page fault
572 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
573 * Add comment describing ioctl number duplication
574 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
575 * Fix: Remove dead code from filter interpreter
576 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
577 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
578 * Fix: use of uninitialized ret value in lttng_abi_create_event
579 * Fix: kmem instrumentation: remove unused gfpflags.h include
580 * Fix: 4.6 kernel: use in_compat_syscall
581 * Fix: use BUG_ON instead of accessing array subscript above array bounds
582 * Fix: Add granularity to RHEL kernel version checks
583
0dca9206
MD		 5842016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
585 * Bump minor tracer ABI version
586 * Fix: build against out-of-tree kernel build
587 * probes/Kbuild: remove upper level header path
588 * Move leftover relative include paths to system paths
589 * syscall instrumentation: use system headers
590 * tracepoint event instrumentation: use system headers
591 * Use system include path in wrappers
592 * libs: use system include paths
593 * Use system header paths in core implementation files
594 * Use system include paths in root directory headers
595 * Use system include paths in probes
596 * Update gitignore
597 * Use system include paths in lttng-types.h
598 * Use system include paths in lttng-tracepoint-event-impl.h
599 * Use system include path in probes/define_trace.h
600 * Use system include paths in probes/lttng-tracepoint-event-impl.h
601 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
602 * Add makefile directory to include path
603 * Fix: event ctx get size should be after chan ctx
604 * Fix: filter interpreter with userspace strings
605 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
606 * Fix: format address fields as hexadecimal
607 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
608 * Fix: system call instrumentation overrides
609 * Fix: page_alloc wrapper incorrect parenthesis
610 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
611 * Fix: add struct user_msghdr forward declaration for older kernels
612 * Cleanup: Remove unused lttng-types module
613 * Fix: add missing versions and init call for page_alloc wrapper
614 * Fix: Define lttng-tracer metadata only once
615 * Fix: Add CONFIG_LTTNG to modules_install target
616 * Fix: Use kbuild env instead of a custom var KERNELDIR
617 * Update clock offset comment
618 * clock offset: print negative value in metadata
619 * Fix: handle negative clock offset
620 * Fix: sched instrumentation for 4.1-rt11
621 * Add RT patch version macros
622 * Expect filter context identifiers starting with $ctx.
623 * ARM64: wire up compat system calls
624 * Add support for arm64 syscalls
625 * Fix: Ubuntu kernel range for block_rq_complete
626 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
627 * Fix: update vmscan instrumentation for kernel 4.5
628 * Fix: check reference counts for overflow
629 * Fix: RHEL 7.2 scsi instrumentation
630 * Fix: RHEL 7.2 kvm instrumentation
631 * Kconfig: describe both module and in-kernel compilation options
632 * Add comments and indentation to Makefile
633 * Add support for built-in kernel build
634 * Rename sub makefiles to Kbuild
635 * Cleanup sub makefiles
636 * Make goals configurable with CONFIG_LTTNG
637 * Fix: Use generic raw_irqs_disabled_flags
638 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
639 * Fix: update sched instrumentation for kernel 4.4.0
640 * Bump version number for development branch
641 * Fix: interruptible context: reversed logic
642 * Contexts for RT debugging
643 * Fix: instrumentation: v4lv2 missing include
644 * Fix: header size larger than 256 bytes
645 * Instrument x86 page faults
646 * Fix: irq_vectors TRACE_SYSTEM name
647 * Instrument x86_irq_vectors
648 * Fix: tracepoint listing misses last loaded probe
649 * Fix: lttng trace-clock needs to disable preemption
650 * Tracepoint event: add "TP_code_post()"
651 * Implement array and sequence bitfields
652 * Fix: kmem: add mm.h include
653 * Add page frame number (pfn) to kmem page events
654 * Use pfn rather than struct page in ring buffer array
655 * Implement clock plugin support
656 * Command to regenerate the metadata of a session
657 * Fix: writeback instrumentation update for 4.3 Linux kernel
658 * Fix: update sched wakeup instrumentation for 4.3 kernel
659 * Fix: lttng-test build failure for kernels < 3.0
660 * Use 3.18 syscall instrumentation for MIPS32
661 * Update the MIPS32 syscall instrumentation to 3.18
662 * Fix: Move pipe override to the arch specific pointers_override.h
663 * Implement lttng test module
664 * Cleanup: remove logically dead code
665 * Fix: filter validator use after free
666 * Fix: use after free in channel release
667 * Fix: non-enabler events should be disabled by default
668 * Fix: build failure on 2.6.36
669 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
670 * Fix: writeback instrumentation for 4.2 kernels
671 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
672 * Add stream instance id to the packet header
673 * Add a packet sequence number
674 * Fix: kmem probe with Ubuntu 3.13 kernels
675 * Fix: disable kvm probe if lapic.h isn't found
676 * Fix: timer instrumentation for 4.2 kernels
677 * Fix: ext4 instrumentation for 4.2 kernels
678 * Fix: kvm instrumentation for 4.2 kernels
679 * Fix: allow LTTng to be built within kernel tree
680
6812015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD		 682 * Fix: Building the event list fails on fragmented memory
683 * Fix: use after free on metadata cache reallocation
684 * Fix: version checks for kernel 4.0
685 * Fix: Incorrect Ubuntu kernel patchlevel
686 * Fix: cpu-id context should use int type
687 * Implement cpu-id context
688 * Implement cpu_id context for filtering
689 * Fix: context printk mismatch on error
690 * Cleanup: misleading comment about deferrable timer
691 * Fix: arm-32 build
692 * Fix: Update kmem event for Ubuntu's 3.16 kernel
693 * Fix: RHEL 7.1 block instrumentation
694 * Fix: add RHEL version macros
695 * Fix: add missing parenthesis in ubuntu version check
696 * Fix: remove regmap instrumentation for kernels < 4.1
697 * Fix: Update kmem event for recent Ubuntu kernel
698 * Fix: missing statedump end event when block device listing available
699 * Fix: don't generate incorrect macros for debian/ubuntu version check
700 * Revert "Fix: build against Ubuntu kernels"
701 * Fix: build against Ubuntu kernels
702 * Add namespace info in sched_fork and statedump
703 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
704 * Fix: printk instrumentation: remove "condition" tracepoints
705 * Fix: regmap build against kernel 4.0 kernel headers
706 * Add mmu_valid_gen field to mmutrace events
707 * Fix: add missing x86 mmutrace kernel header include
708 * Fix: x86 mmutrace event extra field for kernels >= 3.11
709 * Fix: remove execute flag from kvm.h file
710 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
711 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
712 * Fix: 4.1-rc1 Linux build and regmap instrumentation
713 * Fix: don't clash with older Debian kernel versions
714 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
715 * Fix: discover Debian API
716 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
717 * Fix: atomic.h wrapper for kernels < 2.6.37
718 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
719 * Fix: add missing types.h include for older kernels
720 * Fix: add hlist lttng wrappers
721 * Fix: add struct file_handle forward declaration
722 * Fix: string length calculation reversed user vs kernel args
723 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
724 * Fix: add lttng rcu wrapper to allow tracing RCU
725 * Fix: double-unlock of session mutex
726 * Fix: check that class and instance prototype match
727 * Fix: lttng-events.h check function takes void
728 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
729 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
730 * Fix: Include utsrelease.h in lttng-kernel-version.h
731 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
732 * Fix: old kernels need module.h included before vermagic.h
733 * Fix: net instrumentation for kernels 2.6.39 and below
734 * Fix: version condition in makefile
735 * Implement wrapper around get_pfnblock_flags_mask
736 * Be more restrictive in provider name check
737 * Fix: net instrumentation namespacing
738 * Fix: compaction instrumentation namespacing
739 * Fix: Support 4.x kernel versions in Makefile
740 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
741 * Fix: add missing module.h include to lttng-probe-user.c
742 * Fix: use lttng hlist wrapper in wildcard and filter
743 * Fix: namespace asoc and kmem instrumentation
744 * Fix: update instrumentation after wildcard rebase
745 * Fix: lttng_abi_syscall_list does not need to be exported
746 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
747 * Remove now unused syscalls.h from lttng-modules
748 * Filter: start with enabler "disabled"
749 * Fix coverity warning about sizeof(void **) != sizeof(void *)
750 * Fix length type and text sequence base
751 * Fix: TP_FIELDS: add missing headers
752 * Migrate syscall instrumentation to TP_FIELDS
753 * Migrate tracepoint instrumentation to TP_FIELDS
754 * Implement filtering infrastructure
755 * syscall wildcards: apply syscall filtering
756 * Implement syscall wildcard support
757 * Implement tracepoint wildcard support
758 * Namespace all tracepoints
759 * Implement list.h wrapper for hlist in older kernels
760 * Implement listing of pid tracker content
761 * Implement PID tracking
762 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
763 * Fix: update writeback instrumentation for kernel 4.0+
764 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
765 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
766 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
767 * Fix: missing parenthesis in offset_align_floor
768 * Fix: implement time.h wrapper for FD_ISSET
769 * Fix: update sched instrumentation for 3.19+ kernels
770 * Fix: update rcu instrumentation for 3.19+ kernels
771 * Fix: update scsi instrumentation for 3.19+ kernels
772 * Fix: update module instrumentation for 3.19+ kernels
773 * Fix: Add f_dentry wrapper for 3.19+ kernels
774 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
775 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
776 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
777 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
778 * Conditional compilation introduced by lttng-modules commit
779 * Fix: compaction instrumentation update for 3.14.x stable kernels
780 * Fix: context alignment not properly handled
781 * Fix compilation on Linux kernel >= 3.18.0
782 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
783
af991434
MD		 7842014-10-20 LTTng modules 2.6.0-rc1
785 * Expose lttng-modules ABI version ioctl
786 * Fix: syscall list ioctl number conflict
787 * lttng-modules: fix build for non-x86
788 * Fix: syscall listing of session
789 * Print build warning when writeback probe is disabled
790 * Add atomic.h wrapper for before/after atomic
791 * Fix compilation on Ubuntu 14.10
792 * Fix: export name as text array in writeback
793 * Cleanup: remove unused trace_clock_read32()
794 * Use 3.17 ktime_get_mono_fast_ns() new API
795 * Check for stale version.h files
796 * Fix: compile lttng_statedump_process_ns on Ubuntu
797 * Reverse version check logic in lttng_statedump_process_ns
798 * Fix block_rq_complete TP on Ubuntu kernel
799 * Introduce macros to check Ubuntu kernel version
800 * Sync writeback tracepoints from mainline
801 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
802 * Fix: hander negative get_syscall_nr return value
803 * Fix: statedump: close_on_exec flag backward compat
804 * Fix instrumentation of vmscan for older kernels
805 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
806 * Fix: syscall listing: handle "enable all syscall"
807 * Fix: don't allow disabling syscalls when none are enabled
808 * Fix: syscall: fail disable all if all already disabled
809 * Fix: syscall filtering: NULL pointer deref
810 * Cleanup: list syscall without syscall_entry prefix
811 * Fix: syscall_list_show NULL pointer deref
812 * implement syscall mask getter
813 * Cleanup: lttng-abi.h coding style
814 * syscall listing: show syscall ID
815 * Allow events with same name to be enabled for each channel
816 * ABI: use enable a syscall ABI field name
817 * Implement syscall listing
818 * Fix: tracepoint list anonymous file name
819 * Fix: syscall filtering: disable all syscalls
820 * syscall tracing: input/output parameter handling for all arch
821 * lttng-get-syscall-inout.sh depends on bash
822 * Fix generate syscall header script: add missing escape char
823 * syscall instrumentation: handle copy_from_user return value
824 * Rename LTTng syscall instrumentation macros
825 * Rename LTTng instrumentation macros
826 * Extract input/output arguments from accept and connect syscalls
827 * syscall: extract pipe and pipe2 output args
828 * Remove sys_ prefix from syscall names
829 * System call inout/output arg processing
830 * Update syscall inout table
831 * Add syscall inout table
832 * Extract syscall exit ret value on x86 32/64
833 * Extract system call exit return value
834 * Syscall filtering: apply to syscall exit
835 * System call filtering
836 * asoc.h: fix build with v3.17 kernel
837 * Fix: lttng-modules teardown NULL pointer OOPS
838 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
839 * Modernize README using Markdown
840 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
841 * Add cscope to gitignore
842 * Update kvm instrumentation: compile on 3.17-rc1
843 * Update statedump to 3.17 nsproxy locking
844 * Fix: noargs probes should calculate alignment and event length
845 * Update compaction instrumentation to 3.16 kernel
846 * Update vmscan instrumentation to 3.16 kernel
847
789fd1d0
MD		 8482014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
849 * (no change)
850
37cbcd7c
MD		 8512014-06-27 LTTng modules 2.5.0-rc2
852 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
853 * Fix: statedump handle oom case, handle errors
854 * Fix: correct typo in kernel version number
855 * Fix: blktrace instrumentation for backported branches
856 * Fix: statedump block devices OOPS
857
0d979364
MD		 8582014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
859 * Add TID field to some block_* events
860 * Fix: refuse overwrite mode buffers with less than two subbuffers
861 * Fix: lttng modules system call generation script
862 * Dump FD flags and mode on state dump
863 * Fix: incorrect rwbs field type in block_bio_queue
864 * Fix: blktrace instrumentation for v3.2.58+ stable branch
865 * Fix: pass proper args when writing commit counter
866 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
867 * Fix: allow racy tracepoint string input from kernel and userspace
868 * Statedump event for block devices
869 * Fix: update v4l2 instrumentation to 3.15 kernel
870 * Fix: ext4 update instrumentation to 3.15 kernel
871 * Fix: update block instrumentation to 3.15 kernel
872 * Fix: module instrumentation: update to 3.15 kernel
873 * Adapt to 3.15 tracepoint API
874 * Kernel 3.15 don't define map unmap for pipe
875 * Fix: add missing module version in v4l2 probe
876 * Add V4L2 instrumentation
877 * Fix: rcu instrumentation: add const qualifier to char pointers
878 * Fix: add missing module version information
879 * Use kernel 3.13 syscall tables for MIPS32
880 * Add MIPS32 syscalls extracted from a 3.13 kernel
881 * Fix: block instrumentation: < 3.14 don't have bi_iter
882 * Fix: update btrfs instrumentation to kernel 3.14
883 * Fix: update block layer instrumentation to kernel 3.14
884 * Fix: remove __exit annotation
885 * Fix file permissions for lttng-statedump-impl.c
886 * LTTng logger ABI
887
fb2c3779
MD		 8882014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
889 * Fix: load state dump even if work-around lookup fails
890 * Cleanup: fix comment
891 * Fix: correctly version kvm events to build against v3.0 kernel
892 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
893
4be86211
MD		 8942014-02-14 LTTng modules 2.4.0-rc4
895 * Fix: use after free in ring buffer clients
896 * Fix: Add statedump exit so module is not permanent
897 * Cleanup: move callback init to static initialization
898 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
899
00808267
MD		 9002014-01-29 LTTng modules 2.4.0-rc3
901 * Fix: tracepoint event name mapping at unregister
902 * Fix: tracepoint name remapping
903 * Fix: enable event error path memory corruption
904 * Update kvm instrumentation to Linux 3.13
905 * Update sched instrumentation to Linux 3.13
906 * Fix: provide more precise error report for enable event
907 * Fix: quote event name in metadata
908 * Add version info to lttng-tracer.ko modinfo
909
0aa12233
MD		 9102013-12-10 LTTng modules 2.4.0-rc2
911 * Fix: client_packet_header() uses wrong packet
912 * Cleanup: fix typo in ring buffer backend comment
913 * Fix: handle unknown event type parameter
914 * Fix: eliminate timestamp overlap between packets
915 * gcc blacklist: only apply when building with gcc
916 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
917
223ca7c5
MD		 9182013-11-15 LTTng modules 2.4.0-rc1
919 * Update ext4 instrumentation to Linux 3.12
920 * Update RCU instrumentation to Linux 3.12
921 * Update btrfs instrumentation to 3.12 kernel
922 * Update vmscan instrumentation to Linux 3.12
923 * update: kmem instrumentation 3.12 kernel support
924 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
925 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
926 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
927 * Add new tracepoint in KVM
928 * Blacklist kernels 3.10.13 and 3.11.2
929 * LTTng trace-clock: shrink kernel blacklist
930 * Metadata flush writes data from the cache
931 * Per-stream ioctl to get the current timestamp
932 * LTTng ringbuffer ABI calls for index generation
933 * Prepare LTTng override of ring buffer fops
934 * Blacklist Linux kernels 3.10+
935
78c8710b
MD		 9362013-09-03 LTTng modules 2.3.0
937 * Fix: metadata stream should not reference session
938 * Fix: btrfs: support 3.11 Linux kernel
939 * statedump: remove KERN_DEBUG messages
940 * Fix: ext4: add missing tracepoints for 3.11 kernel
941 * Fix: ext4: Linux 3.11 support
942 * Fix: ext3: 3.11 Linux support
943 * Fix: statedump nsproxy 3.11 Linux support
944
cf7ae3e6
MD		 9452013-08-30 LTTng modules 2.3.0-rc2
946 * Fix: metadata lttng channel refcount
947 * README: lttng-modules incompatible with lttng 0.x patchset
948
54207845
MD		 9492013-07-17 LTTng modules 2.3.0-rc1
950 * Fix: kvm x86 probes side-effect
951 * Fix: allow get/put subbuf in loop for metadata stream
952 * Add support for kvm x86 specific tracepoints
953 * Add mainline headers for kvm x86 tracepoints
954 * Remove old 3.0.4 x86-64 extracted syscall info
955 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
956 * Add syscalls extracted files from a 3.10-rc7 kernel
957 * Improve documentation of the syscall extractor script
958 * Fix: double length of __dynamic_len array
959 * Fix printk instrumentation
960 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
961 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
962 * Fix: SWITCH_FLUSH new sub-buffer checks
963 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
964 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
965 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
966 * Fix: handle writes of length 0
967 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
968 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
969 * print warning and return -EBUSY on double get_subbuf()
970 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
971 * Fix: don't do 0 byte event reservation
972 * Document that payload size need to be greater than 0
973 * Fix build and load against linux-2.6.33.x
974 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
975 * Metadata cache and multiple metadata channels
976 * fix block instrumentation probe signature mismatch for 3.9.x kernels
977 * fix: block instrumentation: NULL pointer dereference
978 * Update rcu instrumentation to 3.9.[0-4]
979 * Fix CPU hotplug section mismatches
980 * Add system calls definitions for powerpc-32
981 * Remove bashism in lttng-syscalls-generate-headers.sh
982 * Update ARM (32 bit) syscall tracepoints to 3.4
983
88c5f61b
MD		 9842013-05-09 LTTng modules 2.2.0-rc2
985 * Remove useless lttng_metadata probe
986 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
987 * Fix: 3.9.0 block layer instrumentation build
988 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
989 * Stop build if CONFIG_TRACEPOINTS is not set
990 * Add comments to endifs.
991 * Fix: remove ARM set_tls system call override
992 * Cleanup: arm sys_mmap whitespace
993 * Clean up using global_dirty_limit wrapper for writeback probe
994
78062c79
MD		 9952013-03-29 LTTng modules 2.2.0-rc1
996 * Update README
997 * Fix: vmscan instrumentation build
998 * writeback instrumentation: remove duplicated structures
999 * block: update instrumentation to 3.9 rc kernel
1000 * rcu: update to 3.9 rc kernel instrumentation
1001 * workqueue instrumentation: remove duplicated structures
1002 * Rename odd event names
1003 * Introduce API to remap event names exposed by LTTng
1004 * lttng-module: sched.h: Fix compilation on 3.9 kernel
1005 * Fix Linux 3.8 btrfs probe warning
1006 * Fix Linux 3.8 ext4 probe support
1007 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
1008 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
1009 * instrumentation sched: add missing fork pid info
1010 * Fix check in lttng_strlen_user_inatomic
1011 * instrumentation: sync with Linux commit a1ce392
1012 * Fix: statedump: missing locking, use lttng_iterate_fd
1013 * Implement lttng_iterate_fd wrapper
1014 * Instrumentation cleanup: kmem events should print hex pointers
1015 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
1016 * Fix: statedump hang/too early completion due to logic error
1017 * Fix: statedump hang due to incorrect wait/wakeup use
1018 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
1019 * wrapper/perf.h: Fix kernel version condition
1020 * Add new kernel probes instrumentation
1021 * Update kernel probes to more detailed match to kernel versions
1022 * Fix possible kernel build errors with linux-patches
1023 * Add missing MIT license text to 3 files under this license
1024 * Update sites using kernel version checking macro to new range
1025 * Make upper bound of kernel version checking macro exclusive
1026 * sock instrumentation: fix fields to get referenced values
1027 * ext3 instrumentation: fix of assignment code conversion
1028 * sched instrumentation: rename "pid" fields in sched_process_exec
1029 * Remove remaining semicolons in TP_fast_assign blocks
1030 * Fix compilation for 3.0 kernels that are named 2.6.40
1031 * Fix compilation for 3.0 branch (>= 3.0.39)
1032 * Add kernel version checking macro
1033 * Remove semicolons in TP_fast_assign blocks
1034 * Add ifdefs to net probe to support Linux 2.6.39
1035 * Add kernel probes for supplementary subsystems
1036 * Check if interrupt action name is not null in statedump
1037 * Fix exec instrumentation: only for kernels 3.4.0 and higher
1038 * Add TRACE_EVENT(sched_process_exec) to sched.h
1039 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
1040 * Fix warning with 3.6.0 kernel
1041 * ABI with support for compat 32/64 bits
1042 * Perform calculation on bit size in 64-bit
1043 * Use uint64_t for packet header content size and packet size
1044 * Fix: compat layer only on supported architectures
1045 * Fix ring buffer 32/64 bits compat
1046 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
1047 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
1048 * Fix: statedump missing check for NULL namespace
1049
7cb1d0ee
MD		 10502012-09-10 LTTng modules 2.1.0-rc1
1051 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
1052 * Support for linux kernels 2.6.32 through 2.6.37
1053 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
1054 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
1055 * Add env hostname information
1056 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
1057 * lttng_statedump_process_state for each PID NS
1058 * Support the hostname context
1059 * Fix: statedump namespaced pid, tid and ppid
1060 * Fix: statedump: disable vm maps enumeration
1061 * Fix: ensure userspace accesses are done with _inatomic
1062 * Fix: vppid context should test for current nsproxy
1063 * Add MIPS system call support
1064 * Change mode of lttng-syscalls-generate-headers.sh to 755
1065 * cleanup: fix typo in syscall instrumentation header
1066 * Cleanup: remove trailing whitespace in README
1067 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
1068 * LTTng: probe-statedump: add #include <linux/sched.h>
1069 * fix: signal_generate event should print utf8 for comm field
1070 * Makes write operation a parameter for tp_memcpy macro
1071 * Add coding style document
1072 * Update instrumentation/events README file
1073 * Add makefile target for preprocessor
1074 * Fix: free_event_id check should compare unsigned int with -1U
1075 * Use unsigned long type for events discarded counter
1076 * Fix: update signal instrumentation for 3.4 kernel
1077 * LTTng Modules ARM syscall instrumentation
1078 * Fix: generate header missing echo -e for escape chars
1079 * Fix: add missing uaccess.h include (for ARM)
1080 * README: Document that CONFIG_MODULES is required
1081 * Fix: README typo
1082 * Fix: document required and optional kernel config options in README
1083
d2a9270f
MD		 10842012-03-29 LTTng modules 2.0.1
1085 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
1086
10872012-03-20 LTTng modules 2.0.0
730e5783
MD		 1088 * First STABLE version
1089 * Add version name
1090
63be4822
MD		 10912012-03-20 LTTng modules 2.0.0-rc4
1092 * Update README and add version name place-holder
1093
1bca821c
MD		 10942012-03-16 LTTng modules 2.0.0-rc3
1095 * Fix clock offset 32-bit multiplication overflow
1096 * Fix : wrong assign of fd in state dump
1097 * License cleanup, ifdef namespace cleanup
1098 * Fix: ensure power of 2 check handles 64-bit size_t entirely
1099
4d1704b6
MD		 11002012-03-02 LTTng modules 2.0.0-rc2
1101 * Fix: dmesg printout should not print metadata warnings
1102 * Fix: use transport name as channel name
1103 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
1104
f66cbcc8
MD		 11052012-02-20 LTTng modules 2.0.0-rc1
1106 * Standardize version across toolchain
1107 * statedump: Use old macro name for kernel 2.6.38
1108
2646f1db
MD		 11092012-02-16 LTTng modules 2.0-pre15
1110 * Add timer instrumentation
1111 * fix: need to undef mainline define
1112 * fix: Include signal.h instead of irq.h for prototype match check
1113 * Add signal instrumentation
1114
3e8b3fb8
MD		 11152012-02-16 LTTng modules 2.0-pre14
1116 * syscall tracing: sys_getcpu
1117 * Add sys_clone x86 instrumentation
1118 * statedump: fix include circular dep
1119 * Implement state dump
1120
ed5a7a8f
MD		 11212012-02-09 LTTng modules 2.0-pre13
1122 * Update README
1123 * environment: write sysname, release, version, domain to metadata
1124 * Allow open /proc/lttng for read & write
1125
497051bd
MD		 11262012-02-02 LTTng modules 2.0-pre12
1127 * Add x86 32/64 execve syscall instrumentation override
1128 * Remove unused defines
1129 * Add padding to ABI
1130 * Use LTTNG_KERNEL_SYM_NAME_LEN
1131 * Update version to 1.9.9
1132 * Add missing double-quotes to clock uuid
1133 * clock: read bootid as clock monotonic ID
1134 * Fix comment
1135 * Cleanup comment
1136 * clock: output clock description in metadata
1137 * Properly fix the timekeeping overflow detection
1138 * Fix init bug
1139 * rename lib-ring-buffer to lttng-lib-ring-buffer
1140 * Remove #warning
1141 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
1142 * Update TODO
1143 * Update TODO
1144 * Remove debugfs file (keep only proc file)
1145 * Rename lttng-debugfs-abi files to lttng-abi
1146
4d3e89e3
MD		 11472011-12-13 LTTng modules 2.0-pre11
1148 * Fix OOPS caused by reference of config pointer
1149 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
1150 * lttng lib: ring buffer move null pointer check to open
1151 * lttng lib: ring buffer remove duplicate null pointer
1152 * lttng lib: ring buffer: remove stale null-pointer
1153 * lttng wrapper: add missing include to kallsyms wrapper
1154 * lttng: cleanup one-bit signed bitfields
1155 * Add TODO file
1156 * Update symbol name length max size to 256
1157 * Fix last modifications to string_from_user operations
1158 * Document that depmod needs to be executed by hand
1159 * Fix strlen_user fault space reservation
1160 * Fix tp_copy_string_from_user handling of faults
1161 * Disable block layer tracing support for kernels < 2.6.38
1162 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
1163 * Update trace clock warning to match the current development plan
1164 * ringbuffer: make ring buffer printk less verbose
1165 * Makefile: do not run depmod manually
1166
e2222c2e
MD		 11672011-09-30 LTTng modules 2.0-pre10
1168 * x86-32: override sys_mmap syscall instrumentation
1169 * Fix cast warning
1170
bfb508ed
MD		 11712011-09-29 LTTng modules 2.0-pre9
1172 * x86 32 syscalls: fix !CONFIG_UID16
1173 * Use __string_from_user
1174 * Add __string_from_user
1175 * Rename "comm" context to "procname"
1176 * Fetch "type" name field for mount syscall
1177 * Create common override file for all architectures
1178 * Shrink stack size usage
1179 * Cleanup: remove unused lttng-compat-syscalls.c file
1180 * Support detailed compat syscalls on x86_64
1181 * Fix syscall table
1182 * Add disabled compat syscalls detail (work in progress)
1183 * Add config compat support for detailed x86_32 syscalls
1184 * Handle newer 3.1+ perf API
1185 * Add dummy x86-32 override headers
1186 * Bind x86-32 syscall headers
1187 * Add x86-32 syscall headers
1188 * Add check for KALLSYMS_ALL in syscall extraction script
1189 * Automate string extraction for syscalls
1190 * Automate syscall filename/pathname extraction
1191 * Add exit to ring_buffer_frontend so module is unloadable
1192 * Add sys_open filename (x86_64)
1193 * Add missing memcpy callback
1194 * copy_from_user and memset
1195 * Add missing alignment after header write
1196 * lib ring buffer: add frontend init as module_init
1197 * lib ring buffer frontend: add missing lock initialization
1198 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
1199 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
1200 * Create override for sys_mmap
1201 * Rename syscalls -> syscall in LTTng ABI
1202 * Use different event name for compat syscalls
1203 * Allow trace syscall table override
1204 * Add dummy override files
1205 * syscall detail: add override capability
1206 * Add pointer pretty-print heuristics
1207 * Add __field_hex
1208 * Rename sys exit errno into ret
1209 * Enable detailed syscalls only for native x86_64
1210 * Use "unknown" for compat syscalls
1211 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
1212 * Fix syscall exit
1213 * Fix sys exit
1214 * Only enable detailed syscalls for x86_64 for now
1215 * Merge unknown syscall method with extended detail method
1216 * Add underscore prefix before event names
1217 * Add syscalls pointers detailed syscall tracing
1218 * Use perl for regexp
1219 * Support generation of syscall probes for those with pointers
1220 * Support detailed syscalls with 0 arguments
1221 * detailed syscall tracing (work in progress)
1222 * Expose /proc/lttng file
1223 * Implement detailed syscall event probe
1224 * Disable perf build for < 2.6.33 kernels
1225 * Syscall detail mode: generate syscall table
1226 * block instrumentation: write cmd as hex sequence
1227 * lttng-events TRACE_EVENT generator cleanup
1228 * block layer instrumentation: fix cmd field
1229 * Remove 0 args syscalls for now from type-aware syscall cb generator
1230 * Generate trace syscall table macros
1231 * Put syscall tracing without arg types back in place
1232 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
1233 * lttng events probes: don't clash with "ctx" variable name
1234 * lib ring buffer must take private pointer copy before decrementing refcount
1235
47655e60
MD		 12362011-08-16 LTTng modules 2.0-pre8
1237 * Fix metadata buffer wait/wakeup
1238
99a93317
MD		 12392011-08-12 LTTng modules 2.0-pre7
1240 * Add missing module refcount to lttng_tracepoint_list_fops
1241 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
LTTng 2.0/0.x modules
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