2015-06-18 LTTng modules 2.5.5 * Fix: Incorrect Ubuntu kernel patchlevel * Fix: RHEL 7.1 block instrumentation * Fix: add RHEL version macros * Fix: add missing parenthesis in ubuntu version check * Fix: missing statedump end event when block device listing available 2015-04-29 LTTng modules 2.5.4 * Fix: mmutrace warnings about redefined macros * Fix: x86 mmutrace event extra field for kernels >= 3.11 * Fix: add missing x86 mmutrace kernel header include * Fix: update README file to match reality: kernels >= 2.6.36 are supported * Fix: add struct file_handle forward declaration * Fix: atomic.h wrapper for kernels < 2.6.37 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36 * Fix: update backported kmem patches to lttng-modules 2.5 API * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+ * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field 2015-01-26 LTTng modules 2.5.3 * Fix: missing parenthesis in offset_align_floor * Fix: implement time.h wrapper for FD_ISSET * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS * Conditional compilation introduced by lttng-modules commit 2014-12-12 LTTng modules 2.5.2 * Fix: compaction instrumentation update for 3.14.x stable kernels * Fix: context alignment not properly handled 2014-10-20 LTTng modules 2.5.1 * Print build warning when writeback probe is disabled * Fix compilation on Ubuntu 14.10 * Fix: compile lttng_statedump_process_ns on Ubuntu * Reverse version check logic in lttng_statedump_process_ns * Update statedump to 3.17 nsproxy locking * Fix block_rq_complete TP on Ubuntu kernel * Introduce macros to check Ubuntu kernel version * asoc.h: fix build with v3.17 kernel * Add atomic.h wrapper for before/after atomic * Update vmscan instrumentation to 3.16 kernel * Update compaction instrumentation to 3.16 kernel * Check for stale version.h files * Fix: statedump: close_on_exec flag backward compat * Fix: lttng-modules teardown NULL pointer OOPS * Fix: handle concurrent flush vs get_next_subbuf on metadata cache * Fix: OOT lttng_logger tracepoint not visible with signed kernels 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0 * (no change) 2014-06-27 LTTng modules 2.5.0-rc2 * Fix: statedump: check whether "files" is NULL, RCU semantic fix * Fix: statedump handle oom case, handle errors * Fix: correct typo in kernel version number * Fix: blktrace instrumentation for backported branches * Fix: statedump block devices OOPS 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1 * Add TID field to some block_* events * Fix: refuse overwrite mode buffers with less than two subbuffers * Fix: lttng modules system call generation script * Dump FD flags and mode on state dump * Fix: incorrect rwbs field type in block_bio_queue * Fix: blktrace instrumentation for v3.2.58+ stable branch * Fix: pass proper args when writing commit counter * Cleanup: lib ringbuffer: pagecpy has unsigned semantic * Fix: allow racy tracepoint string input from kernel and userspace * Statedump event for block devices * Fix: update v4l2 instrumentation to 3.15 kernel * Fix: ext4 update instrumentation to 3.15 kernel * Fix: update block instrumentation to 3.15 kernel * Fix: module instrumentation: update to 3.15 kernel * Adapt to 3.15 tracepoint API * Kernel 3.15 don't define map unmap for pipe * Fix: add missing module version in v4l2 probe * Add V4L2 instrumentation * Fix: rcu instrumentation: add const qualifier to char pointers * Fix: add missing module version information * Use kernel 3.13 syscall tables for MIPS32 * Add MIPS32 syscalls extracted from a 3.13 kernel * Fix: block instrumentation: < 3.14 don't have bi_iter * Fix: update btrfs instrumentation to kernel 3.14 * Fix: update block layer instrumentation to kernel 3.14 * Fix: remove __exit annotation * Fix file permissions for lttng-statedump-impl.c * LTTng logger ABI 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0 * Fix: load state dump even if work-around lookup fails * Cleanup: fix comment * Fix: correctly version kvm events to build against v3.0 kernel * Add extraversion (e.g. -rc4) to lttng-tracer modinfo 2014-02-14 LTTng modules 2.4.0-rc4 * Fix: use after free in ring buffer clients * Fix: Add statedump exit so module is not permanent * Cleanup: move callback init to static initialization * Fix: OOT lttng-statedump tracepoints not visible with signed kernels 2014-01-29 LTTng modules 2.4.0-rc3 * Fix: tracepoint event name mapping at unregister * Fix: tracepoint name remapping * Fix: enable event error path memory corruption * Update kvm instrumentation to Linux 3.13 * Update sched instrumentation to Linux 3.13 * Fix: provide more precise error report for enable event * Fix: quote event name in metadata * Add version info to lttng-tracer.ko modinfo 2013-12-10 LTTng modules 2.4.0-rc2 * Fix: client_packet_header() uses wrong packet * Cleanup: fix typo in ring buffer backend comment * Fix: handle unknown event type parameter * Fix: eliminate timestamp overlap between packets * gcc blacklist: only apply when building with gcc * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2 2013-11-15 LTTng modules 2.4.0-rc1 * Update ext4 instrumentation to Linux 3.12 * Update RCU instrumentation to Linux 3.12 * Update btrfs instrumentation to 3.12 kernel * Update vmscan instrumentation to Linux 3.12 * update: kmem instrumentation 3.12 kernel support * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL * Add new tracepoint in KVM * Blacklist kernels 3.10.13 and 3.11.2 * LTTng trace-clock: shrink kernel blacklist * Metadata flush writes data from the cache * Per-stream ioctl to get the current timestamp * LTTng ringbuffer ABI calls for index generation * Prepare LTTng override of ring buffer fops * Blacklist Linux kernels 3.10+ 2013-09-03 LTTng modules 2.3.0 * Fix: metadata stream should not reference session * Fix: btrfs: support 3.11 Linux kernel * statedump: remove KERN_DEBUG messages * Fix: ext4: add missing tracepoints for 3.11 kernel * Fix: ext4: Linux 3.11 support * Fix: ext3: 3.11 Linux support * Fix: statedump nsproxy 3.11 Linux support 2013-08-30 LTTng modules 2.3.0-rc2 * Fix: metadata lttng channel refcount * README: lttng-modules incompatible with lttng 0.x patchset 2013-07-17 LTTng modules 2.3.0-rc1 * Fix: kvm x86 probes side-effect * Fix: allow get/put subbuf in loop for metadata stream * Add support for kvm x86 specific tracepoints * Add mainline headers for kvm x86 tracepoints * Remove old 3.0.4 x86-64 extracted syscall info * Point the x86-64 overrides to newly extracted 3.10-rc7 files * Add syscalls extracted files from a 3.10-rc7 kernel * Improve documentation of the syscall extractor script * Fix: double length of __dynamic_len array * Fix printk instrumentation * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2() * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter * Fix: SWITCH_FLUSH new sub-buffer checks * Fix: ring buffer: handle concurrent update in nested buffer wrap around check * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size() * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()" * Fix: handle writes of length 0 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end() * print warning and return -EBUSY on double get_subbuf() * Add header to fix compilation of syscalls-extractor on 3.9 kernel * Fix: don't do 0 byte event reservation * Document that payload size need to be greater than 0 * Fix build and load against linux-2.6.33.x * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl * Metadata cache and multiple metadata channels * fix block instrumentation probe signature mismatch for 3.9.x kernels * fix: block instrumentation: NULL pointer dereference * Update rcu instrumentation to 3.9.[0-4] * Fix CPU hotplug section mismatches * Add system calls definitions for powerpc-32 * Remove bashism in lttng-syscalls-generate-headers.sh * Update ARM (32 bit) syscall tracepoints to 3.4 2013-05-09 LTTng modules 2.2.0-rc2 * Remove useless lttng_metadata probe * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel * Fix: 3.9.0 block layer instrumentation build * Revert "Stop build if CONFIG_TRACEPOINTS is not set" * Stop build if CONFIG_TRACEPOINTS is not set * Add comments to endifs. * Fix: remove ARM set_tls system call override * Cleanup: arm sys_mmap whitespace * Clean up using global_dirty_limit wrapper for writeback probe 2013-03-29 LTTng modules 2.2.0-rc1 * Update README * Fix: vmscan instrumentation build * writeback instrumentation: remove duplicated structures * block: update instrumentation to 3.9 rc kernel * rcu: update to 3.9 rc kernel instrumentation * workqueue instrumentation: remove duplicated structures * Rename odd event names * Introduce API to remap event names exposed by LTTng * lttng-module: sched.h: Fix compilation on 3.9 kernel * Fix Linux 3.8 btrfs probe warning * Fix Linux 3.8 ext4 probe support * Fix 3.8 kernel support: namespace lttng_is_signed_type() * Fix: don't flush-final for offset 0 if reader is on sub-buffer * instrumentation sched: add missing fork pid info * Fix check in lttng_strlen_user_inatomic * instrumentation: sync with Linux commit a1ce392 * Fix: statedump: missing locking, use lttng_iterate_fd * Implement lttng_iterate_fd wrapper * Instrumentation cleanup: kmem events should print hex pointers * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels * Fix: statedump hang/too early completion due to logic error * Fix: statedump hang due to incorrect wait/wakeup use * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat * wrapper/perf.h: Fix kernel version condition * Add new kernel probes instrumentation * Update kernel probes to more detailed match to kernel versions * Fix possible kernel build errors with linux-patches * Add missing MIT license text to 3 files under this license * Update sites using kernel version checking macro to new range * Make upper bound of kernel version checking macro exclusive * sock instrumentation: fix fields to get referenced values * ext3 instrumentation: fix of assignment code conversion * sched instrumentation: rename "pid" fields in sched_process_exec * Remove remaining semicolons in TP_fast_assign blocks * Fix compilation for 3.0 kernels that are named 2.6.40 * Fix compilation for 3.0 branch (>= 3.0.39) * Add kernel version checking macro * Remove semicolons in TP_fast_assign blocks * Add ifdefs to net probe to support Linux 2.6.39 * Add kernel probes for supplementary subsystems * Check if interrupt action name is not null in statedump * Fix exec instrumentation: only for kernels 3.4.0 and higher * Add TRACE_EVENT(sched_process_exec) to sched.h * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h. * Fix warning with 3.6.0 kernel * ABI with support for compat 32/64 bits * Perform calculation on bit size in 64-bit * Use uint64_t for packet header content size and packet size * Fix: compat layer only on supported architectures * Fix ring buffer 32/64 bits compat * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h * Fix: statedump missing check for NULL namespace 2012-09-10 LTTng modules 2.1.0-rc1 * fix timestamps on architectures without CONFIG_KTIME_SCALAR * Support for linux kernels 2.6.32 through 2.6.37 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation * Cleanup: no need to hold RCU read-side lock when reading current nsproxy * Add env hostname information * Fix: lttng_statedump_process_state for each PID NS has infinite loop * lttng_statedump_process_state for each PID NS * Support the hostname context * Fix: statedump namespaced pid, tid and ppid * Fix: statedump: disable vm maps enumeration * Fix: ensure userspace accesses are done with _inatomic * Fix: vppid context should test for current nsproxy * Add MIPS system call support * Change mode of lttng-syscalls-generate-headers.sh to 755 * cleanup: fix typo in syscall instrumentation header * Cleanup: remove trailing whitespace in README * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT * LTTng: probe-statedump: add #include * fix: signal_generate event should print utf8 for comm field * Makes write operation a parameter for tp_memcpy macro * Add coding style document * Update instrumentation/events README file * Add makefile target for preprocessor * Fix: free_event_id check should compare unsigned int with -1U * Use unsigned long type for events discarded counter * Fix: update signal instrumentation for 3.4 kernel * LTTng Modules ARM syscall instrumentation * Fix: generate header missing echo -e for escape chars * Fix: add missing uaccess.h include (for ARM) * README: Document that CONFIG_MODULES is required * Fix: README typo * Fix: document required and optional kernel config options in README 2012-03-29 LTTng modules 2.0.1 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3 2012-03-20 LTTng modules 2.0.0 * First STABLE version * Add version name 2012-03-20 LTTng modules 2.0.0-rc4 * Update README and add version name place-holder 2012-03-16 LTTng modules 2.0.0-rc3 * Fix clock offset 32-bit multiplication overflow * Fix : wrong assign of fd in state dump * License cleanup, ifdef namespace cleanup * Fix: ensure power of 2 check handles 64-bit size_t entirely 2012-03-02 LTTng modules 2.0.0-rc2 * Fix: dmesg printout should not print metadata warnings * Fix: use transport name as channel name * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf 2012-02-20 LTTng modules 2.0.0-rc1 * Standardize version across toolchain * statedump: Use old macro name for kernel 2.6.38 2012-02-16 LTTng modules 2.0-pre15 * Add timer instrumentation * fix: need to undef mainline define * fix: Include signal.h instead of irq.h for prototype match check * Add signal instrumentation 2012-02-16 LTTng modules 2.0-pre14 * syscall tracing: sys_getcpu * Add sys_clone x86 instrumentation * statedump: fix include circular dep * Implement state dump 2012-02-09 LTTng modules 2.0-pre13 * Update README * environment: write sysname, release, version, domain to metadata * Allow open /proc/lttng for read & write 2012-02-02 LTTng modules 2.0-pre12 * Add x86 32/64 execve syscall instrumentation override * Remove unused defines * Add padding to ABI * Use LTTNG_KERNEL_SYM_NAME_LEN * Update version to 1.9.9 * Add missing double-quotes to clock uuid * clock: read bootid as clock monotonic ID * Fix comment * Cleanup comment * clock: output clock description in metadata * Properly fix the timekeeping overflow detection * Fix init bug * rename lib-ring-buffer to lttng-lib-ring-buffer * Remove #warning * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-* * Update TODO * Update TODO * Remove debugfs file (keep only proc file) * Rename lttng-debugfs-abi files to lttng-abi 2011-12-13 LTTng modules 2.0-pre11 * Fix OOPS caused by reference of config pointer * Gather detailed info from x86 64 32-bit compat syscall instrumentation * lttng lib: ring buffer move null pointer check to open * lttng lib: ring buffer remove duplicate null pointer * lttng lib: ring buffer: remove stale null-pointer * lttng wrapper: add missing include to kallsyms wrapper * lttng: cleanup one-bit signed bitfields * Add TODO file * Update symbol name length max size to 256 * Fix last modifications to string_from_user operations * Document that depmod needs to be executed by hand * Fix strlen_user fault space reservation * Fix tp_copy_string_from_user handling of faults * Disable block layer tracing support for kernels < 2.6.38 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug * Update trace clock warning to match the current development plan * ringbuffer: make ring buffer printk less verbose * Makefile: do not run depmod manually 2011-09-30 LTTng modules 2.0-pre10 * x86-32: override sys_mmap syscall instrumentation * Fix cast warning 2011-09-29 LTTng modules 2.0-pre9 * x86 32 syscalls: fix !CONFIG_UID16 * Use __string_from_user * Add __string_from_user * Rename "comm" context to "procname" * Fetch "type" name field for mount syscall * Create common override file for all architectures * Shrink stack size usage * Cleanup: remove unused lttng-compat-syscalls.c file * Support detailed compat syscalls on x86_64 * Fix syscall table * Add disabled compat syscalls detail (work in progress) * Add config compat support for detailed x86_32 syscalls * Handle newer 3.1+ perf API * Add dummy x86-32 override headers * Bind x86-32 syscall headers * Add x86-32 syscall headers * Add check for KALLSYMS_ALL in syscall extraction script * Automate string extraction for syscalls * Automate syscall filename/pathname extraction * Add exit to ring_buffer_frontend so module is unloadable * Add sys_open filename (x86_64) * Add missing memcpy callback * copy_from_user and memset * Add missing alignment after header write * lib ring buffer: add frontend init as module_init * lib ring buffer frontend: add missing lock initialization * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file) * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address * Create override for sys_mmap * Rename syscalls -> syscall in LTTng ABI * Use different event name for compat syscalls * Allow trace syscall table override * Add dummy override files * syscall detail: add override capability * Add pointer pretty-print heuristics * Add __field_hex * Rename sys exit errno into ret * Enable detailed syscalls only for native x86_64 * Use "unknown" for compat syscalls * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat * Fix syscall exit * Fix sys exit * Only enable detailed syscalls for x86_64 for now * Merge unknown syscall method with extended detail method * Add underscore prefix before event names * Add syscalls pointers detailed syscall tracing * Use perl for regexp * Support generation of syscall probes for those with pointers * Support detailed syscalls with 0 arguments * detailed syscall tracing (work in progress) * Expose /proc/lttng file * Implement detailed syscall event probe * Disable perf build for < 2.6.33 kernels * Syscall detail mode: generate syscall table * block instrumentation: write cmd as hex sequence * lttng-events TRACE_EVENT generator cleanup * block layer instrumentation: fix cmd field * Remove 0 args syscalls for now from type-aware syscall cb generator * Generate trace syscall table macros * Put syscall tracing without arg types back in place * Detailed system call tracing (TRACE_EVENT() generation for integer support) * lttng events probes: don't clash with "ctx" variable name * lib ring buffer must take private pointer copy before decrementing refcount 2011-08-16 LTTng modules 2.0-pre8 * Fix metadata buffer wait/wakeup 2011-08-12 LTTng modules 2.0-pre7 * Add missing module refcount to lttng_tracepoint_list_fops * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2