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ChangeLog
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2017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
* Fix: remove CONFIG_KALLSYMS_ALL warning on clean
* Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
* Fix: Always build vmscan probe
* Cleanup: formatting in strutils_star_glob_match explanation
* Fix: introduce LTTNG_SIZE_MAX for older kernels
* Use SIZE_MAX instead of -1ULL for size_t parameter
* filter: use SIZE_MAX for size_t
* Fix: out of bound array access in filter code
* Add support for star globbing patterns in event names
* Filtering: add support for star-only globbing patterns
* Add string utilities
* lttng-abi.c: cleanup whitespaces
* Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
* Fix: kref changes for kernel 4.11
* Fix: atomic_add_unless() returns true/false rather than prior value
* Fix: timers cputime_t arguments replaced by ull in kernel 4.11
* Fix: update scsi instrumentation for kernel 4.11
* Fix: changes to the vm_op fault cb prototype in libringbuffer
* Fix: update btrfs instrumentation for kernel 4.11
* Fix: update mm_vmscan instrumentation for kernel 4.11
* Fix: section mismatch warning caused by __exit annotation
* socketpair: extend syscall socketpair tracing information
* Remove events/mainline unused headers
* update event README
* Fix: nmi-safe clock on 32-bit systems
* Fix: only include linux/cpuhotplug.h for kernels >= 4.10
* Fix: 4.10 hotplug adaptation backward compat
* Fix: 4.10 btrfs instrumentation update backward compat
* Update btrfs instrumentation for 4.10 kernel
* Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
* btrfs instrumentation: update to 4.10 kernel
* timer instrumentation: adapt to ktime_t without union
* Add load/unload messages to kernel log
* Update version to 2.10.0-pre
* Fix: asoc instrumentation for RHEL 7.3
* Fix: SCSI instrumentation for SLES12 SP2
* Add SUSE Linux Enterprise kernel version tests
* Filter code relicensing to MIT license
* Add task cpu in process statedump
* Performance: add missing unlikely in reserve
* Fix: preemptible and migratable context error handling
* Fix: bump stable kernel version ranges for clock work-around
2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
* Fix: i2c: support kernels < 3.15
* Fix: show warning for broken clock work-around
* Bump minor ABI version
* Fix: work-around upstream Linux timekeeping bug
* Add support for i2c tracepoints
* Cleanup: makefile version checks with single "ge"
* Performance: special-case NULL in lttng_strlen_user_inatomic
* Fix: lttng_inline_memcpy does not take a __user argument
* Performance: implement lttng_inline_memcpy
* Performance: cache the backend pages pointer in context
* Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
* Performance: Only dereference commit index once
* Performance: Mark channel and buffer event disabled check unlikely
* Performance: Relax atomicity constraints for crash handling
* Performance: mark ring buffer do_copy callers always inline
* Performance: mark lib_ring_buffer_write always inline
* Kconfig: select TRACEPOINTS when built-in
* Performance: disable event counting by default
* Fix: handle large number of pages or subbuffers per buffer
* Fix: unregister cpu hotplug notifier on buffer alloc error
* Fix: sa_family is of type unsigned short
* Fix: check for sizeof sa_family to save sa_family in accept and connect
* Fix: use printk_once() for wrapper warning messages
* Fix: btrfs instrumentation for 4.8 kernel
* Fix: update mm_vmscan instrumentation for kernel 4.8
* Fix: napi instrumentation for 4.8 kernels
* Fix: update block instrumentation to compile on 4.8 kernels
* Cleanup: reuse code in accept() and accept4() instrumentation
* Add x86-64 override for accept4 syscall
* Fix: timer wrapper: support kernels >= 4.8
* Performance: split check deliver fast/slow paths
* Fix: x86-64 accept instrumentation
* Fix: Add support for 4.6.4-rt8 kernel
* Fix: update scsi instrumentation for 4.7+ kernels
* Fix: Use fs_initcall instead of rootfs_initcall
* Fix: Add kernel configuration for lttng clock plugin
* Fix: the clock plugin must be initiated before first use of the clock
* Fix: tests/Kbuild for older kernels
* Cleanup: __dynamic_len_idx set but not used warning
* Cleanup: coding style and comments of net.h
* net: Add TCP header data to net_* tracepoints
* net: Add IPv4/IPv6 header data to net_* tracepoints
* Fix: endianness for the container type of enum
* enumeration autoincrement: use if/else logic
* Cleanup trailing whitespaces
* lttng-test probe: test ctf_enum_auto()
* Add ctf_enum_auto() for autoincrementing enumeration values
* Implement session statedump command
* Fix: annotate bytecode interpreter for kernel stack validator
* Update version to 2.9.0-pre
* Fix: ring buffer: honor switch parameter type in remote switch
* Fix: only flush non-metadata channels
* Fix: don't perform extra flush on metadata channel
* select, poll and epoll_wait overrides on ARM 32-bit
* Fix: flush empty packets on snapshot channel
* Fix: do not generate packet at destroy after stop
* Fix: compat ioctl for flush/get metadata version
* Fix: ctf_string() should handle NULL pointers
* Fix: portability: no arith on void pointer
* Fix: add missing tests/Kbuild
* Test clock override plugin
* Fix: add modules target to base Makefile
* Fix: make clean does not include dot-config
* Fix: trigger build error if CONFIG_TRACEPOINTS is not set
* Documentation: document that CONFIG_MODULES not required when builtin
* Fix: add missing errno include in random wrapper
* Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
* Fix: copy_from_user size when limited allocation
* Extract the payload of epoll_wait/epoll_pwait
* Extract the payload for epoll_ctl
* Extract the FDs and flags from poll and ppoll
* Extract the FD sets in select and pselect6
* Add ctf_integer_bitfield_type
* Implement enumeration type
* Implement custom field support
* Implement variant type
* Implement shadow stack for dynamic len
* libringbuffer: implement event too big API
* Implement structure, compound array/sequence types
* Fix: integer endianness metadata generation
* Fix: endianness of integers received by filter
* Fix: writeback probe on RHEL >= 3.10.0-327.10.1
* Fix: RHEL kernel 3.10.0-327.13.1 compat
* Fix: ctf_user_integer should not trigger page fault
* Fix: lib_ring_buffer_copy_from_user_inatomic error handling
* Add comment describing ioctl number duplication
* Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
* Fix: Remove dead code from filter interpreter
* Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
* Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
* Fix: use of uninitialized ret value in lttng_abi_create_event
* Fix: kmem instrumentation: remove unused gfpflags.h include
* Fix: 4.6 kernel: use in_compat_syscall
* Fix: use BUG_ON instead of accessing array subscript above array bounds
* Fix: Add granularity to RHEL kernel version checks
2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
* Bump minor tracer ABI version
* Fix: build against out-of-tree kernel build
* probes/Kbuild: remove upper level header path
* Move leftover relative include paths to system paths
* syscall instrumentation: use system headers
* tracepoint event instrumentation: use system headers
* Use system include path in wrappers
* libs: use system include paths
* Use system header paths in core implementation files
* Use system include paths in root directory headers
* Use system include paths in probes
* Update gitignore
* Use system include paths in lttng-types.h
* Use system include paths in lttng-tracepoint-event-impl.h
* Use system include path in probes/define_trace.h
* Use system include paths in probes/lttng-tracepoint-event-impl.h
* Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
* Add makefile directory to include path
* Fix: event ctx get size should be after chan ctx
* Fix: filter interpreter with userspace strings
* Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
* Fix: format address fields as hexadecimal
* PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
* Fix: system call instrumentation overrides
* Fix: page_alloc wrapper incorrect parenthesis
* Fix: system call tracing for arm-64 compat !CONFIG_UID16
* Fix: add struct user_msghdr forward declaration for older kernels
* Cleanup: Remove unused lttng-types module
* Fix: add missing versions and init call for page_alloc wrapper
* Fix: Define lttng-tracer metadata only once
* Fix: Add CONFIG_LTTNG to modules_install target
* Fix: Use kbuild env instead of a custom var KERNELDIR
* Update clock offset comment
* clock offset: print negative value in metadata
* Fix: handle negative clock offset
* Fix: sched instrumentation for 4.1-rt11
* Add RT patch version macros
* Expect filter context identifiers starting with $ctx.
* ARM64: wire up compat system calls
* Add support for arm64 syscalls
* Fix: Ubuntu kernel range for block_rq_complete
* Fix: Ubuntu kernel range for mm_page_alloc_extfrag
* Fix: update vmscan instrumentation for kernel 4.5
* Fix: check reference counts for overflow
* Fix: RHEL 7.2 scsi instrumentation
* Fix: RHEL 7.2 kvm instrumentation
* Kconfig: describe both module and in-kernel compilation options
* Add comments and indentation to Makefile
* Add support for built-in kernel build
* Rename sub makefiles to Kbuild
* Cleanup sub makefiles
* Make goals configurable with CONFIG_LTTNG
* Fix: Use generic raw_irqs_disabled_flags
* Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
* Fix: update sched instrumentation for kernel 4.4.0
* Bump version number for development branch
* Fix: interruptible context: reversed logic
* Contexts for RT debugging
* Fix: instrumentation: v4lv2 missing include
* Fix: header size larger than 256 bytes
* Instrument x86 page faults
* Fix: irq_vectors TRACE_SYSTEM name
* Instrument x86_irq_vectors
* Fix: tracepoint listing misses last loaded probe
* Fix: lttng trace-clock needs to disable preemption
* Tracepoint event: add "TP_code_post()"
* Implement array and sequence bitfields
* Fix: kmem: add mm.h include
* Add page frame number (pfn) to kmem page events
* Use pfn rather than struct page in ring buffer array
* Implement clock plugin support
* Command to regenerate the metadata of a session
* Fix: writeback instrumentation update for 4.3 Linux kernel
* Fix: update sched wakeup instrumentation for 4.3 kernel
* Fix: lttng-test build failure for kernels < 3.0
* Use 3.18 syscall instrumentation for MIPS32
* Update the MIPS32 syscall instrumentation to 3.18
* Fix: Move pipe override to the arch specific pointers_override.h
* Implement lttng test module
* Cleanup: remove logically dead code
* Fix: filter validator use after free
* Fix: use after free in channel release
* Fix: non-enabler events should be disabled by default
* Fix: build failure on 2.6.36
* Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
* Fix: writeback instrumentation for 4.2 kernels
* Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
* Add stream instance id to the packet header
* Add a packet sequence number
* Fix: kmem probe with Ubuntu 3.13 kernels
* Fix: disable kvm probe if lapic.h isn't found
* Fix: timer instrumentation for 4.2 kernels
* Fix: ext4 instrumentation for 4.2 kernels
* Fix: kvm instrumentation for 4.2 kernels
* Fix: allow LTTng to be built within kernel tree
2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
* Fix: Building the event list fails on fragmented memory
* Fix: use after free on metadata cache reallocation
* Fix: version checks for kernel 4.0
* Fix: Incorrect Ubuntu kernel patchlevel
* Fix: cpu-id context should use int type
* Implement cpu-id context
* Implement cpu_id context for filtering
* Fix: context printk mismatch on error
* Cleanup: misleading comment about deferrable timer
* Fix: arm-32 build
* Fix: Update kmem event for Ubuntu's 3.16 kernel
* Fix: RHEL 7.1 block instrumentation
* Fix: add RHEL version macros
* Fix: add missing parenthesis in ubuntu version check
* Fix: remove regmap instrumentation for kernels < 4.1
* Fix: Update kmem event for recent Ubuntu kernel
* Fix: missing statedump end event when block device listing available
* Fix: don't generate incorrect macros for debian/ubuntu version check
* Revert "Fix: build against Ubuntu kernels"
* Fix: build against Ubuntu kernels
* Add namespace info in sched_fork and statedump
* Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
* Fix: printk instrumentation: remove "condition" tracepoints
* Fix: regmap build against kernel 4.0 kernel headers
* Add mmu_valid_gen field to mmutrace events
* Fix: add missing x86 mmutrace kernel header include
* Fix: x86 mmutrace event extra field for kernels >= 3.11
* Fix: remove execute flag from kvm.h file
* Fix: build x86 kvm probes on kernels >= 4.1-rc1
* Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
* Fix: 4.1-rc1 Linux build and regmap instrumentation
* Fix: don't clash with older Debian kernel versions
* Fix: update get_pfnblock_flags_mask wrapper for debian kernels
* Fix: discover Debian API
* Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
* Fix: atomic.h wrapper for kernels < 2.6.37
* Fix: disable x86 kvm instrumentation for kernels < 2.6.38
* Fix: add missing types.h include for older kernels
* Fix: add hlist lttng wrappers
* Fix: add struct file_handle forward declaration
* Fix: string length calculation reversed user vs kernel args
* Fix: use lttng_rcu_dereference within lttng-syscalls.c
* Fix: add lttng rcu wrapper to allow tracing RCU
* Fix: double-unlock of session mutex
* Fix: check that class and instance prototype match
* Fix: lttng-events.h check function takes void
* Fix: regmap instrumentation for Linux 3.19.4 and 4.0
* Fix: kernels >= 2.6.33 put utsrelease.h in generated/
* Fix: Include utsrelease.h in lttng-kernel-version.h
* Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
* Fix: old kernels need module.h included before vermagic.h
* Fix: net instrumentation for kernels 2.6.39 and below
* Fix: version condition in makefile
* Implement wrapper around get_pfnblock_flags_mask
* Be more restrictive in provider name check
* Fix: net instrumentation namespacing
* Fix: compaction instrumentation namespacing
* Fix: Support 4.x kernel versions in Makefile
* Fix: remove stale TP_STRUCT_entry from kvm instrumentation
* Fix: add missing module.h include to lttng-probe-user.c
* Fix: use lttng hlist wrapper in wildcard and filter
* Fix: namespace asoc and kmem instrumentation
* Fix: update instrumentation after wildcard rebase
* Fix: lttng_abi_syscall_list does not need to be exported
* Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
* Remove now unused syscalls.h from lttng-modules
* Filter: start with enabler "disabled"
* Fix coverity warning about sizeof(void **) != sizeof(void *)
* Fix length type and text sequence base
* Fix: TP_FIELDS: add missing headers
* Migrate syscall instrumentation to TP_FIELDS
* Migrate tracepoint instrumentation to TP_FIELDS
* Implement filtering infrastructure
* syscall wildcards: apply syscall filtering
* Implement syscall wildcard support
* Implement tracepoint wildcard support
* Namespace all tracepoints
* Implement list.h wrapper for hlist in older kernels
* Implement listing of pid tracker content
* Implement PID tracking
* Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
* Fix: update writeback instrumentation for kernel 4.0+
* Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
* Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
* Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
* Fix: missing parenthesis in offset_align_floor
* Fix: implement time.h wrapper for FD_ISSET
* Fix: update sched instrumentation for 3.19+ kernels
* Fix: update rcu instrumentation for 3.19+ kernels
* Fix: update scsi instrumentation for 3.19+ kernels
* Fix: update module instrumentation for 3.19+ kernels
* Fix: Add f_dentry wrapper for 3.19+ kernels
* Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
* Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
* Fix: Update btrfs instrumentation for 3.18 Linux kernel
* Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
* Conditional compilation introduced by lttng-modules commit
* Fix: compaction instrumentation update for 3.14.x stable kernels
* Fix: context alignment not properly handled
* Fix compilation on Linux kernel >= 3.18.0
* Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
2014-10-20 LTTng modules 2.6.0-rc1
* Expose lttng-modules ABI version ioctl
* Fix: syscall list ioctl number conflict
* lttng-modules: fix build for non-x86
* Fix: syscall listing of session
* Print build warning when writeback probe is disabled
* Add atomic.h wrapper for before/after atomic
* Fix compilation on Ubuntu 14.10
* Fix: export name as text array in writeback
* Cleanup: remove unused trace_clock_read32()
* Use 3.17 ktime_get_mono_fast_ns() new API
* Check for stale version.h files
* Fix: compile lttng_statedump_process_ns on Ubuntu
* Reverse version check logic in lttng_statedump_process_ns
* Fix block_rq_complete TP on Ubuntu kernel
* Introduce macros to check Ubuntu kernel version
* Sync writeback tracepoints from mainline
* Fix: redefinition of DEFINE_WRITEBACK_EVENT
* Fix: hander negative get_syscall_nr return value
* Fix: statedump: close_on_exec flag backward compat
* Fix instrumentation of vmscan for older kernels
* Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
* Fix: syscall listing: handle "enable all syscall"
* Fix: don't allow disabling syscalls when none are enabled
* Fix: syscall: fail disable all if all already disabled
* Fix: syscall filtering: NULL pointer deref
* Cleanup: list syscall without syscall_entry prefix
* Fix: syscall_list_show NULL pointer deref
* implement syscall mask getter
* Cleanup: lttng-abi.h coding style
* syscall listing: show syscall ID
* Allow events with same name to be enabled for each channel
* ABI: use enable a syscall ABI field name
* Implement syscall listing
* Fix: tracepoint list anonymous file name
* Fix: syscall filtering: disable all syscalls
* syscall tracing: input/output parameter handling for all arch
* lttng-get-syscall-inout.sh depends on bash
* Fix generate syscall header script: add missing escape char
* syscall instrumentation: handle copy_from_user return value
* Rename LTTng syscall instrumentation macros
* Rename LTTng instrumentation macros
* Extract input/output arguments from accept and connect syscalls
* syscall: extract pipe and pipe2 output args
* Remove sys_ prefix from syscall names
* System call inout/output arg processing
* Update syscall inout table
* Add syscall inout table
* Extract syscall exit ret value on x86 32/64
* Extract system call exit return value
* Syscall filtering: apply to syscall exit
* System call filtering
* asoc.h: fix build with v3.17 kernel
* Fix: lttng-modules teardown NULL pointer OOPS
* Fix: handle concurrent flush vs get_next_subbuf on metadata cache
* Modernize README using Markdown
* Fix: OOT lttng_logger tracepoint not visible with signed kernels
* Add cscope to gitignore
* Update kvm instrumentation: compile on 3.17-rc1
* Update statedump to 3.17 nsproxy locking
* Fix: noargs probes should calculate alignment and event length
* Update compaction instrumentation to 3.16 kernel
* Update vmscan instrumentation to 3.16 kernel
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
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