+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 <linux/sched.h>
+ * 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