Version 2.5.1
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12014-10-20 LTTng modules 2.5.1
2 * Print build warning when writeback probe is disabled
3 * Fix compilation on Ubuntu 14.10
4 * Fix: compile lttng_statedump_process_ns on Ubuntu
5 * Reverse version check logic in lttng_statedump_process_ns
6 * Update statedump to 3.17 nsproxy locking
7 * Fix block_rq_complete TP on Ubuntu kernel
8 * Introduce macros to check Ubuntu kernel version
9 * asoc.h: fix build with v3.17 kernel
10 * Add atomic.h wrapper for before/after atomic
11 * Update vmscan instrumentation to 3.16 kernel
12 * Update compaction instrumentation to 3.16 kernel
13 * Check for stale version.h files
14 * Fix: statedump: close_on_exec flag backward compat
15 * Fix: lttng-modules teardown NULL pointer OOPS
16 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
17 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
18
192014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
20 * (no change)
21
222014-06-27 LTTng modules 2.5.0-rc2
23 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
24 * Fix: statedump handle oom case, handle errors
25 * Fix: correct typo in kernel version number
26 * Fix: blktrace instrumentation for backported branches
27 * Fix: statedump block devices OOPS
28
292014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
30 * Add TID field to some block_* events
31 * Fix: refuse overwrite mode buffers with less than two subbuffers
32 * Fix: lttng modules system call generation script
33 * Dump FD flags and mode on state dump
34 * Fix: incorrect rwbs field type in block_bio_queue
35 * Fix: blktrace instrumentation for v3.2.58+ stable branch
36 * Fix: pass proper args when writing commit counter
37 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
38 * Fix: allow racy tracepoint string input from kernel and userspace
39 * Statedump event for block devices
40 * Fix: update v4l2 instrumentation to 3.15 kernel
41 * Fix: ext4 update instrumentation to 3.15 kernel
42 * Fix: update block instrumentation to 3.15 kernel
43 * Fix: module instrumentation: update to 3.15 kernel
44 * Adapt to 3.15 tracepoint API
45 * Kernel 3.15 don't define map unmap for pipe
46 * Fix: add missing module version in v4l2 probe
47 * Add V4L2 instrumentation
48 * Fix: rcu instrumentation: add const qualifier to char pointers
49 * Fix: add missing module version information
50 * Use kernel 3.13 syscall tables for MIPS32
51 * Add MIPS32 syscalls extracted from a 3.13 kernel
52 * Fix: block instrumentation: < 3.14 don't have bi_iter
53 * Fix: update btrfs instrumentation to kernel 3.14
54 * Fix: update block layer instrumentation to kernel 3.14
55 * Fix: remove __exit annotation
56 * Fix file permissions for lttng-statedump-impl.c
57 * LTTng logger ABI
58
592014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
60 * Fix: load state dump even if work-around lookup fails
61 * Cleanup: fix comment
62 * Fix: correctly version kvm events to build against v3.0 kernel
63 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
64
652014-02-14 LTTng modules 2.4.0-rc4
66 * Fix: use after free in ring buffer clients
67 * Fix: Add statedump exit so module is not permanent
68 * Cleanup: move callback init to static initialization
69 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
70
712014-01-29 LTTng modules 2.4.0-rc3
72 * Fix: tracepoint event name mapping at unregister
73 * Fix: tracepoint name remapping
74 * Fix: enable event error path memory corruption
75 * Update kvm instrumentation to Linux 3.13
76 * Update sched instrumentation to Linux 3.13
77 * Fix: provide more precise error report for enable event
78 * Fix: quote event name in metadata
79 * Add version info to lttng-tracer.ko modinfo
80
812013-12-10 LTTng modules 2.4.0-rc2
82 * Fix: client_packet_header() uses wrong packet
83 * Cleanup: fix typo in ring buffer backend comment
84 * Fix: handle unknown event type parameter
85 * Fix: eliminate timestamp overlap between packets
86 * gcc blacklist: only apply when building with gcc
87 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
88
892013-11-15 LTTng modules 2.4.0-rc1
90 * Update ext4 instrumentation to Linux 3.12
91 * Update RCU instrumentation to Linux 3.12
92 * Update btrfs instrumentation to 3.12 kernel
93 * Update vmscan instrumentation to Linux 3.12
94 * update: kmem instrumentation 3.12 kernel support
95 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
96 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
97 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
98 * Add new tracepoint in KVM
99 * Blacklist kernels 3.10.13 and 3.11.2
100 * LTTng trace-clock: shrink kernel blacklist
101 * Metadata flush writes data from the cache
102 * Per-stream ioctl to get the current timestamp
103 * LTTng ringbuffer ABI calls for index generation
104 * Prepare LTTng override of ring buffer fops
105 * Blacklist Linux kernels 3.10+
106
1072013-09-03 LTTng modules 2.3.0
108 * Fix: metadata stream should not reference session
109 * Fix: btrfs: support 3.11 Linux kernel
110 * statedump: remove KERN_DEBUG messages
111 * Fix: ext4: add missing tracepoints for 3.11 kernel
112 * Fix: ext4: Linux 3.11 support
113 * Fix: ext3: 3.11 Linux support
114 * Fix: statedump nsproxy 3.11 Linux support
115
1162013-08-30 LTTng modules 2.3.0-rc2
117 * Fix: metadata lttng channel refcount
118 * README: lttng-modules incompatible with lttng 0.x patchset
119
1202013-07-17 LTTng modules 2.3.0-rc1
121 * Fix: kvm x86 probes side-effect
122 * Fix: allow get/put subbuf in loop for metadata stream
123 * Add support for kvm x86 specific tracepoints
124 * Add mainline headers for kvm x86 tracepoints
125 * Remove old 3.0.4 x86-64 extracted syscall info
126 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
127 * Add syscalls extracted files from a 3.10-rc7 kernel
128 * Improve documentation of the syscall extractor script
129 * Fix: double length of __dynamic_len array
130 * Fix printk instrumentation
131 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
132 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
133 * Fix: SWITCH_FLUSH new sub-buffer checks
134 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
135 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
136 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
137 * Fix: handle writes of length 0
138 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
139 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
140 * print warning and return -EBUSY on double get_subbuf()
141 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
142 * Fix: don't do 0 byte event reservation
143 * Document that payload size need to be greater than 0
144 * Fix build and load against linux-2.6.33.x
145 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
146 * Metadata cache and multiple metadata channels
147 * fix block instrumentation probe signature mismatch for 3.9.x kernels
148 * fix: block instrumentation: NULL pointer dereference
149 * Update rcu instrumentation to 3.9.[0-4]
150 * Fix CPU hotplug section mismatches
151 * Add system calls definitions for powerpc-32
152 * Remove bashism in lttng-syscalls-generate-headers.sh
153 * Update ARM (32 bit) syscall tracepoints to 3.4
154
1552013-05-09 LTTng modules 2.2.0-rc2
156 * Remove useless lttng_metadata probe
157 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
158 * Fix: 3.9.0 block layer instrumentation build
159 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
160 * Stop build if CONFIG_TRACEPOINTS is not set
161 * Add comments to endifs.
162 * Fix: remove ARM set_tls system call override
163 * Cleanup: arm sys_mmap whitespace
164 * Clean up using global_dirty_limit wrapper for writeback probe
165
1662013-03-29 LTTng modules 2.2.0-rc1
167 * Update README
168 * Fix: vmscan instrumentation build
169 * writeback instrumentation: remove duplicated structures
170 * block: update instrumentation to 3.9 rc kernel
171 * rcu: update to 3.9 rc kernel instrumentation
172 * workqueue instrumentation: remove duplicated structures
173 * Rename odd event names
174 * Introduce API to remap event names exposed by LTTng
175 * lttng-module: sched.h: Fix compilation on 3.9 kernel
176 * Fix Linux 3.8 btrfs probe warning
177 * Fix Linux 3.8 ext4 probe support
178 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
179 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
180 * instrumentation sched: add missing fork pid info
181 * Fix check in lttng_strlen_user_inatomic
182 * instrumentation: sync with Linux commit a1ce392
183 * Fix: statedump: missing locking, use lttng_iterate_fd
184 * Implement lttng_iterate_fd wrapper
185 * Instrumentation cleanup: kmem events should print hex pointers
186 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
187 * Fix: statedump hang/too early completion due to logic error
188 * Fix: statedump hang due to incorrect wait/wakeup use
189 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
190 * wrapper/perf.h: Fix kernel version condition
191 * Add new kernel probes instrumentation
192 * Update kernel probes to more detailed match to kernel versions
193 * Fix possible kernel build errors with linux-patches
194 * Add missing MIT license text to 3 files under this license
195 * Update sites using kernel version checking macro to new range
196 * Make upper bound of kernel version checking macro exclusive
197 * sock instrumentation: fix fields to get referenced values
198 * ext3 instrumentation: fix of assignment code conversion
199 * sched instrumentation: rename "pid" fields in sched_process_exec
200 * Remove remaining semicolons in TP_fast_assign blocks
201 * Fix compilation for 3.0 kernels that are named 2.6.40
202 * Fix compilation for 3.0 branch (>= 3.0.39)
203 * Add kernel version checking macro
204 * Remove semicolons in TP_fast_assign blocks
205 * Add ifdefs to net probe to support Linux 2.6.39
206 * Add kernel probes for supplementary subsystems
207 * Check if interrupt action name is not null in statedump
208 * Fix exec instrumentation: only for kernels 3.4.0 and higher
209 * Add TRACE_EVENT(sched_process_exec) to sched.h
210 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
211 * Fix warning with 3.6.0 kernel
212 * ABI with support for compat 32/64 bits
213 * Perform calculation on bit size in 64-bit
214 * Use uint64_t for packet header content size and packet size
215 * Fix: compat layer only on supported architectures
216 * Fix ring buffer 32/64 bits compat
217 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
218 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
219 * Fix: statedump missing check for NULL namespace
220
2212012-09-10 LTTng modules 2.1.0-rc1
222 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
223 * Support for linux kernels 2.6.32 through 2.6.37
224 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
225 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
226 * Add env hostname information
227 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
228 * lttng_statedump_process_state for each PID NS
229 * Support the hostname context
230 * Fix: statedump namespaced pid, tid and ppid
231 * Fix: statedump: disable vm maps enumeration
232 * Fix: ensure userspace accesses are done with _inatomic
233 * Fix: vppid context should test for current nsproxy
234 * Add MIPS system call support
235 * Change mode of lttng-syscalls-generate-headers.sh to 755
236 * cleanup: fix typo in syscall instrumentation header
237 * Cleanup: remove trailing whitespace in README
238 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
239 * LTTng: probe-statedump: add #include <linux/sched.h>
240 * fix: signal_generate event should print utf8 for comm field
241 * Makes write operation a parameter for tp_memcpy macro
242 * Add coding style document
243 * Update instrumentation/events README file
244 * Add makefile target for preprocessor
245 * Fix: free_event_id check should compare unsigned int with -1U
246 * Use unsigned long type for events discarded counter
247 * Fix: update signal instrumentation for 3.4 kernel
248 * LTTng Modules ARM syscall instrumentation
249 * Fix: generate header missing echo -e for escape chars
250 * Fix: add missing uaccess.h include (for ARM)
251 * README: Document that CONFIG_MODULES is required
252 * Fix: README typo
253 * Fix: document required and optional kernel config options in README
254
2552012-03-29 LTTng modules 2.0.1
256 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
257
2582012-03-20 LTTng modules 2.0.0
259 * First STABLE version
260 * Add version name
261
2622012-03-20 LTTng modules 2.0.0-rc4
263 * Update README and add version name place-holder
264
2652012-03-16 LTTng modules 2.0.0-rc3
266 * Fix clock offset 32-bit multiplication overflow
267 * Fix : wrong assign of fd in state dump
268 * License cleanup, ifdef namespace cleanup
269 * Fix: ensure power of 2 check handles 64-bit size_t entirely
270
2712012-03-02 LTTng modules 2.0.0-rc2
272 * Fix: dmesg printout should not print metadata warnings
273 * Fix: use transport name as channel name
274 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
275
2762012-02-20 LTTng modules 2.0.0-rc1
277 * Standardize version across toolchain
278 * statedump: Use old macro name for kernel 2.6.38
279
2802012-02-16 LTTng modules 2.0-pre15
281 * Add timer instrumentation
282 * fix: need to undef mainline define
283 * fix: Include signal.h instead of irq.h for prototype match check
284 * Add signal instrumentation
285
2862012-02-16 LTTng modules 2.0-pre14
287 * syscall tracing: sys_getcpu
288 * Add sys_clone x86 instrumentation
289 * statedump: fix include circular dep
290 * Implement state dump
291
2922012-02-09 LTTng modules 2.0-pre13
293 * Update README
294 * environment: write sysname, release, version, domain to metadata
295 * Allow open /proc/lttng for read & write
296
2972012-02-02 LTTng modules 2.0-pre12
298 * Add x86 32/64 execve syscall instrumentation override
299 * Remove unused defines
300 * Add padding to ABI
301 * Use LTTNG_KERNEL_SYM_NAME_LEN
302 * Update version to 1.9.9
303 * Add missing double-quotes to clock uuid
304 * clock: read bootid as clock monotonic ID
305 * Fix comment
306 * Cleanup comment
307 * clock: output clock description in metadata
308 * Properly fix the timekeeping overflow detection
309 * Fix init bug
310 * rename lib-ring-buffer to lttng-lib-ring-buffer
311 * Remove #warning
312 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
313 * Update TODO
314 * Update TODO
315 * Remove debugfs file (keep only proc file)
316 * Rename lttng-debugfs-abi files to lttng-abi
317
3182011-12-13 LTTng modules 2.0-pre11
319 * Fix OOPS caused by reference of config pointer
320 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
321 * lttng lib: ring buffer move null pointer check to open
322 * lttng lib: ring buffer remove duplicate null pointer
323 * lttng lib: ring buffer: remove stale null-pointer
324 * lttng wrapper: add missing include to kallsyms wrapper
325 * lttng: cleanup one-bit signed bitfields
326 * Add TODO file
327 * Update symbol name length max size to 256
328 * Fix last modifications to string_from_user operations
329 * Document that depmod needs to be executed by hand
330 * Fix strlen_user fault space reservation
331 * Fix tp_copy_string_from_user handling of faults
332 * Disable block layer tracing support for kernels < 2.6.38
333 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
334 * Update trace clock warning to match the current development plan
335 * ringbuffer: make ring buffer printk less verbose
336 * Makefile: do not run depmod manually
337
3382011-09-30 LTTng modules 2.0-pre10
339 * x86-32: override sys_mmap syscall instrumentation
340 * Fix cast warning
341
3422011-09-29 LTTng modules 2.0-pre9
343 * x86 32 syscalls: fix !CONFIG_UID16
344 * Use __string_from_user
345 * Add __string_from_user
346 * Rename "comm" context to "procname"
347 * Fetch "type" name field for mount syscall
348 * Create common override file for all architectures
349 * Shrink stack size usage
350 * Cleanup: remove unused lttng-compat-syscalls.c file
351 * Support detailed compat syscalls on x86_64
352 * Fix syscall table
353 * Add disabled compat syscalls detail (work in progress)
354 * Add config compat support for detailed x86_32 syscalls
355 * Handle newer 3.1+ perf API
356 * Add dummy x86-32 override headers
357 * Bind x86-32 syscall headers
358 * Add x86-32 syscall headers
359 * Add check for KALLSYMS_ALL in syscall extraction script
360 * Automate string extraction for syscalls
361 * Automate syscall filename/pathname extraction
362 * Add exit to ring_buffer_frontend so module is unloadable
363 * Add sys_open filename (x86_64)
364 * Add missing memcpy callback
365 * copy_from_user and memset
366 * Add missing alignment after header write
367 * lib ring buffer: add frontend init as module_init
368 * lib ring buffer frontend: add missing lock initialization
369 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
370 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
371 * Create override for sys_mmap
372 * Rename syscalls -> syscall in LTTng ABI
373 * Use different event name for compat syscalls
374 * Allow trace syscall table override
375 * Add dummy override files
376 * syscall detail: add override capability
377 * Add pointer pretty-print heuristics
378 * Add __field_hex
379 * Rename sys exit errno into ret
380 * Enable detailed syscalls only for native x86_64
381 * Use "unknown" for compat syscalls
382 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
383 * Fix syscall exit
384 * Fix sys exit
385 * Only enable detailed syscalls for x86_64 for now
386 * Merge unknown syscall method with extended detail method
387 * Add underscore prefix before event names
388 * Add syscalls pointers detailed syscall tracing
389 * Use perl for regexp
390 * Support generation of syscall probes for those with pointers
391 * Support detailed syscalls with 0 arguments
392 * detailed syscall tracing (work in progress)
393 * Expose /proc/lttng file
394 * Implement detailed syscall event probe
395 * Disable perf build for < 2.6.33 kernels
396 * Syscall detail mode: generate syscall table
397 * block instrumentation: write cmd as hex sequence
398 * lttng-events TRACE_EVENT generator cleanup
399 * block layer instrumentation: fix cmd field
400 * Remove 0 args syscalls for now from type-aware syscall cb generator
401 * Generate trace syscall table macros
402 * Put syscall tracing without arg types back in place
403 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
404 * lttng events probes: don't clash with "ctx" variable name
405 * lib ring buffer must take private pointer copy before decrementing refcount
406
4072011-08-16 LTTng modules 2.0-pre8
408 * Fix metadata buffer wait/wakeup
409
4102011-08-12 LTTng modules 2.0-pre7
411 * Add missing module refcount to lttng_tracepoint_list_fops
412 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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