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ChangeLog
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2022-09-30 (National Day for Truth and Reconciliation) LTTng modules 2.13.7
* Fix: handle integer capture page faults as skip field
2022-09-30 (National Day for Truth and Reconciliation) LTTng modules 2.13.6
* Fix: bytecode validator: reject specialized load field/context ref instructions
* Fix: bytecode validator: reject specialized load instructions
* Fix: honor "user" attribute for array/sequence of user integers
* wrapper: powerpc64: fix kernel crash caused by do_get_kallsyms
* Fix: event notification: Remove duplicate event enabled check
* Fix: event notification capture: validate buffer length
* Fix: handle capture page faults as skip field
* Fix: event notification capture error handling
* Fix: capture_sequence_element_{un,}signed: handle user-space input
* Fix: notification capture: handle userspace strings
* Implement lttng_msgpack_write_user_str
* Fix: bytecode interpreter: LOAD_FIELD: handle user fields
* Fix: move "user" attribute from field to type
* Introduce lttng_copy_from_user_check_nofault
* fix: adjust range v5.10.137 in block probe
2022-08-19 (National Potato Day) LTTng modules 2.13.5
* Fix: incorrect stub prototypes when CONFIG_HAVE_SYSCALL_TRACEPOINTS=n
* fix: mm/tracing: add 'accounted' entry into output of allocation tracepoints (v6.0)
* fix: block: remove bdevname (v6.0)
* fix: fs/jbd2: Fix the documentation of the jbd2_write_superblock() callers (v6.0)
* fix: tie compaction probe build to CONFIG_COMPACTION
* fix: net: skb: introduce kfree_skb_reason() (v5.15.58..v5.16)
* fix: workqueue: Fix type of cpu in trace event (v5.19)
* fix: fs: Remove flags parameter from aops->write_begin (v5.19)
* fix: mm/page_alloc: fix tracepoint mm_page_alloc_zone_locked() (v5.19)
2022-06-03 (National Repeat Day) (National Repeat Day) LTTng modules 2.13.4
* Fix: event notifier: racy use of last subbuffer record
* Fix: bytecode interpreter context_get_index() leaves byte order uninitialized
* fix: 'random' tracepoints removed in stable kernels
* fix: random: remove unused tracepoints (v5.10, v5.15)
* fix: sched/tracing: Append prev_state to tp args instead (v5.18)
* fix: mm: compaction: cleanup the compaction trace events (v5.18)
* fix: scsi: core: Remove <scsi/scsi_request.h> (v5.18)
* fix: kprobes: Use rethook for kretprobe if possible (v5.18)
* fix: random: remove unused tracepoints (v5.18)
* fix: scsi: block: Remove REQ_OP_WRITE_SAME support (v5.18)
* fix: block: remove genhd.h (v5.18)
* fix: sched/tracing: Don't re-read p->state when emitting sched_switch event (v5.18)
* fix: KVM: x86: Unexport kvm_x86_ops (v5.18)
* Fix: do not warn on unknown counter ioctl
* Fix: tracepoint event: allow same provider and event name
* Fix: compaction migratepages event name
2022-03-25 (National Waffle Day) LTTng modules 2.13.3
* Document expected ISO8601 time formats in ABI header
* Fix: lttng ABI: lttng_counter_ioctl() tainted scalar
* Fix: sample discarded events count before reserve
* Cleanup: comment alignment in ring buffer config.h
2022-03-07 (National Cereal Day) LTTng modules 2.13.2
* Fix: incorrect in/out direction for syscall exit
* fix: net: socket: rename SKB_DROP_REASON_SOCKET_FILTER (v5.17)
* fix: net: skb: introduce kfree_skb_reason() (v5.17)
* fix: random: rather than entropy_store abstraction, use global (v5.17)
* fix: btrfs: pass fs_info to trace_btrfs_transaction_commit (v5.17)
* fix: mm: compaction: fix the migration stats in trace_mm_compaction_migratepages() (v5.17)
* fix: block: remove the ->rq_disk field in struct request (v5.17)
* fix: block: remove GENHD_FL_SUPPRESS_PARTITION_INFO (v5.17)
* Copyright ownership transfer
2022-01-05 (National Bird Day) LTTng modules 2.13.1
* fix: mm: move kvmalloc-related functions to slab.h (v5.16)
* fix: block: don't call blk_status_to_errno in blk_update_request (v5.16)
* fix: KVM: MMU: change tracepoints arguments to kvm_page_fault (v5.16)
* fix: KVM: x86: Get exit_reason as part of kvm_x86_ops.get_exit_info (v5.16)
* fix: isystem: delete global -isystem compile option (v5.16)
* fix: block: move block-related definitions out of fs.h (v5.16)
* Fix: syscall tracing: missing trigger actions
* Warn on event registration/unregistration failure
* fix: implicit-int error in EXPORT_SYMBOL_GPL
* fix: Revert "Makefile: Enable -Wimplicit-fallthrough for Clang" (v5.15)
* fix: cpu/hotplug: Remove deprecated CPU-hotplug functions. (v5.15)
2021-08-02 (Ice Cream Sandwich Day) LTTng modules 2.13.0
* No change
2021-07-16 (World Snake Day) LTTng modules 2.13.0-rc3
* fix: sched: Change task_struct::state (v5.14)
* fix: btrfs: pass btrfs_inode to btrfs_writepage_endio_finish_ordered() (v5.14)
* fix: adjust ranges for RHEL 8.4
2021-05-14 (National Dance Like a Chicken Day) LTTng modules 2.13.0-rc2
* fix: adjust ranges for RHEL 8.2 and 8.3
* Disable x86 error code bitwise enum in default build
* Disable mmap bitwise enum in default build
* Disable block rwbs bitwise enum in default build
* Disable sched_switch bitwise enum in default build
* Disable open[at] bitwise enum in default build
* Disable fcntl bitwise enum in default build
* Disable clone bitwise enum in default build
* Add experimental bitwise enum config option
* Add defaults to Kconfig options
* Cleanup: remove unused EXTCFLAGS from Makefile
* Sync `show_inode_state()` macro with upstream stable kernels
* Update .gitreview for stable-2.13
* Sync `show_inode_state()` macro with Ubuntu 4.15 kernel
* fix: block: remove disk_part_iter (v5.12)
* Cleanup: lib ring buffer: rename pagecpy local variable
* Cleanup: clarify strcpy/strcpy_from_user local variables
* Implement ring buffer Pascal string copy
* Move alignment into event write callback
* Cleanup: disable page fault after access_ok
* Fix: increment buffer offset when failing to copy from user-space
* Fix: add missing #include for 3.8 kernel
* Fix: builtin script referring to old directories
* events.h API const-ness
* Rename struct lib_ring_buffer* to struct lttng_kernel_ring_buffer*
* Rename struct channel to struct lttng_kernel_ring_buffer_channel
* Refactoring: struct lttng_channel
* Fix: missing #include for 3.8 kernel
* Introduce struct lttng_kernel_tracepoint_class, enum probe_desc field
* Set probe descriptor field in event descriptor
* Split syscall tracepoint generation in their own files
* Include `linux/in{,6}.h` closer to where it's used
* Group all syscall enums in one compile unit
* Include `linux/mman.h` for mmap flag enum
* Add `struct trace_syscall_table`
* Define `static_assert()` when not defined by kernel
* Move event hash tables to private header
* Move forward declarations to private header
* Move lttng_syscall_filter forward declaration to private header
* Split ID tracker into public/private structures
* Move id tracker hash node to private header
* Split struct lttng_session into public/private structures
* Move struct lttng_metadata_stream to private header
* Move event notifier and counter structures to private header
* Rename struct lib_ring_buffer_ctx to struct lttng_kernel_ring_buffer_ctx
* Refactoring: struct lttng_kernel_channel_buffer_ops
* Rename lttng_probe_{,un}register to lttng_kernel_probe_{,un}register
* Move metadata cache structure to internal header
* Move internal APIs to internal header
* Move kprobes, uprobes, kretprobes, syscall structures to internal header
* Move kprobe, kretprobe, uprobe APIs to internal header
* Remove unused TRACEPOINT_HAS_DATA_ARG
* Move enabler APIs to internal header
* Move bytecode structures to internal header
* Remove include of internal header from tracepoint-event-impl.h
* Rename struct lttng_probe_ctx to struct lttng_kernel_probe_ctx
* Rename struct lttng_bytecode_runtime to struct lttng_kernel_bytecode_runtime
* Rename struct lttng_bytecode_node to struct lttng_kernel_bytecode_node
* Move context structures and API to internal header
* Move enabler structures to internal header
* Makefile: add .o wildcard target
* Fix: Makefile: generation of specific .i file not working
* Fix: refactor preemptible context
* Refactoring: context callbacks
* Remove event id parameter from event_reserve callback
* Refactoring: ring buffer context
* sequence and variant types: use previous field for length/tag if NULL
2021-04-23 (National Take a Chance (on me ?) Day) LTTng modules 2.13.0-rc1
* Set the 2.13 release codename and description
* Fix: LTTng-modules ABI ioctl wrong direction
* Refactoring: bytecode interpreter
* Move probe_ctx argument to align with lttng-ust
* Combine event notifier and recorder enable/disable functions
* Refactoring: combine probe callbacks
* Combine event recorder and notifier destroy
* Refactoring: event structures
* lttng-probes: Warn of event's and provider's name for mismatch
* fix: mm, tracing: kfree event name mismatching with provider kmem (v5.12)
* fix: refactor contexts for type description structures
* fix: remove 'src/' from modules install path
* fix: Adjust ranges for Ubuntu 5.4.0-67 kernel
* fix: block: add a disk_uevent helper (v5.12)
* Fix: perf counters: uninitialized field
* Cleanup: implement dedicated file operations for events and enablers
* Namespace LTTng modules ABI with lttng_kernel_abi_ prefix
* Refactoring: type description structures
* Prefix lttng_enum_desc with lttng_kernel_
* Prefix lttng_enum_value and lttng_enum_entry with lttng_kernel_
* Introduce internal event header
* Cleanup: namespace string encoding
* Cleanup: Rename abstract types to lttng_kernel_type
* Cleanup: event_notifier -> notify in comments
* Fix: event notifier: add missing parameters validation
* msgpack: use KERNEL namespace for header protection
* Cleanup: lttng_abi_create_event{,_notifier}: use switch/case rather than if
* Add entryexit field to kretprobes ABI
* Add missing fallthrough comments
* No-op instrumentation is unsupported, cleanup fallthrough comments
* kretprobes: rename "return" to "exit"
* compiler warning cleanup: is_signed_type: compare -1 to 1
* Fix: bytecode linker: validate event and field array/sequence encoding
* Fix: racy notifier captures update vs traversal
* Fix: kretprobe: null ptr deref on session destroy
* Fix: bytecode linker: iteration on wrong list head
* counters: add coalesce_hits to ABI
* fix: mm, tracing: record slab name for kmem_cache_free() (v5.12)
* Fix: filter interpreter early-exits on uninitialized value
* Fix: memory leaks on event notifier destroy
* Fix: memory leaks on event destroy
* fix: Adjust ranges for Ubuntu 5.8.0-44 kernel
* Fix: do not use bdi_unknown_name symbol
* fix: memcg: fix a crash in wb_workfn when a device disappears (5.6)
* Fix: writeback: out-of-bound reads
* fix: Add one digit to RHEL major release version
* fix: Add one digit to SLES minor release version
* fix: RT_PATCH_VERSION is close to overflow
* fix: cast LTTNG_KERNEL_VERSION/LTTNG_LINUX_VERSION_CODE to uint64_t
* fix: double defined LTTNG_KERNEL_VERSION
* fix: UTS_UBUNTU_RELEASE_ABI is close to overflow
* fix: sublevel version overflow in LINUX_VERSION_CODE
* Namespace kernel version macros
* aarch64: blacklist gcc prior to 5.1
* fix: missing include for 'task_struct' in fdtable.h
* Fix: counter-api: always inline counter add function
* fix: genirq: Restrict export of irq_to_desc() (v5.11)
* fix: block: merge struct block_device and struct hd_struct (v5.11)
* fix: kprobes: Remove kretprobe hash (v5.11)
* fix: file: Rename fcheck lookup_fd_rcu (v5.11)
* fix: block: remove the request_queue argument to the block_bio_remap tracepoint (v5.11)
* fix: block: remove the request_queue argument to the block_split tracepoint (v5.11)
* fix: block: simplify and extend the block_bio_merge tracepoint class (v5.11)
* fix: block: remove the request_queue to argument request based tracepoints (v5.11)
* fix: remove floating-point arguments in msgpack
* abi: use 0, 1 for counter enumerations
* Cleanup: use tabs in abi.h
* Bump LTTNG_MODULES_ABI_MINOR_VERSION to 6
* Fix: handle default switch case with -EINVAL in lttng-syscalls
* fix: use wrapper for hlist_for_each_entry_rcu
* fix: asm/barrier.h was introduced in v3.4
* Fix: handle default switch case with -EINVAL in __lttng_counter_add
* Introduce lttng smp_store_release smp_load_acquire wrappers
* fix: include byteorder.h for 'cpu_to_*'
* Fix: notifier: use store-release/load-acquire for error counter
* Fix: event-notifier: Groups may not have an error counter
* Bump LTTNG_KERNEL_EVENT_NOTIFIER_PADDING to 32 bytes
* Fix: remove dead code in msgpack.c
* Fix: counter: cast UINT*_MAX to 64-bit signed type before negative
* Fix: include limits.h wrapper from libcounter
* Fix: include kernel.h in wrapper/limits.h
* Introduce limits wrapper
* Introduce lazy system call event creation
* Implement event notifier error counter
* Implement lib counter
* capture: Replace FIXME by explanation of the limit
* Implement capturing payload on event notifier
* Fix: comment related to filter bytecode list
* Fix: use vmalloc for filter bytecode allocation
* Implement enum and sequence capture serialization functions
* bytecode: Add `OBJECT_TYPE_{UN,}SIGNED_ENUM` type
* Generalize `lttng_enabler_link_bytecode()` bytecode list
* Cleanup: rename `_lttng_filter_link_bytecode()` -> `link_bytecode()`
* Add `interpreter_funcs` to `lttng_bytecode_runtime`
* bytecode: rename `lttng_filter_sync_state()` -> `lttng_bytecode_filter_sync_state()`
* Rename filter bytecode types and files
* bytecode: generalize `struct lttng_filter_bytecode_node`
* Add msgpack implementation for serializing captures
* bytecode: allow interpreter to return any type
* bytecode: propagate `rev_bo` of element
* bytecode: set register type to `REG_PTR` even if not used
* Add `lttng_bytecode_interpret_format_output()` for top of stack extraction
* bytecode: add `REG_U64` interpreter register type
* Fix: filter validator: refuse string and star glob input to bitwise operation
* Fix: bytecode: Validate register type for instructions expecting unknown type
* Cleanup: Rename filter functions/fields to mention "filter"
* Implement event notifiers for syscalls
* Fix: syscalls: address of statically allocated element never null
* Rename LTTNG_SYSCALL_MATCH_ -> LTTNG_KERNEL_SYSCALL_MATCH_
* Allow LTTNG_KERNEL_SYSCALL_{ENTRY, EXIT}
* syscalls: extract `lttng_syscall_filter_enable()` for reuse
* Cleanup: syscall: remove unused `syscall_name` field
* fix: adjust version range for trace_find_free_extent()
* Improve the release script
* Add release maintainer script
* fix: include order for older kernels
* fix: tracepoint: Optimize using static_call() (v5.10)
* fix: KVM: x86/mmu: Return unique RET_PF_* values if the fault was fixed (v5.10)
* fix: kvm: x86/mmu: Add TDP MMU PF handler (v5.10)
* fix: KVM: x86: Add intr/vectoring info and error code to kvm_exit tracepoint (v5.10)
* fix: ext4: fast commit recovery path (v5.10)
* fix: btrfs: make ordered extent tracepoint take btrfs_inode (v5.10)
* fix: btrfs: tracepoints: output proper root owner for trace_find_free_extent() (v5.10)
* fix: objtool: Rename frame.h -> objtool.h (v5.10)
* Revert "Implement event notifiers for syscalls"
* Fix: ressource leak in id tracker
* Implement event notifiers for syscalls
* lttng-syscalls.c: extract function calling actual probe
* Namespace syscall code relating to events
* Implement event notifiers for uprobes
* Namespace uprobe functions relating to events
* doc: event notifier on kretprobe is not supported
* Implement event notifiers for kprobes
* Namespace kprobe functions relating to events
* Implement event notifiers for tracepoints
* Implement event notifier probes
* Fix: event notifier: adapt read iterator state to poll expectations
* Fix: event-notifier: do not flush packet if it only contains subbuf header
* Implement lttng_event_notifier_group_notif_fops read, poll, open, release ABI
* Implement event notifier send notification
* Add event notifier and event notifier enabler
* Implement event notifier group create
* Add token to `struct lttng_kernel_event`
* lttng-events: move lttng_transport_find earlier in source file
* lib ring buffer: move subbuffer_consume_record into LTTNG_RING_BUFFER_COUNT_EVENTS ifdef
* lib ring buffer iterator: introduce lib_ring_buffer_put_current_record
* Introduce event notifier lib ring buffer client
* lttng_abi_create_stream_fd: expect fd name as parameter
* LTTng ring buffer clients: expect void pointer as private data to create channel
* lib ring buffer: use irq_work for wakeup by writer
* Rename `lttng_event_{get,put}()` to `lttng_event_desc_{get,put}()`
* Cleanup: extract function to borrow hashlist bucket
* Decouple `struct lttng_event` from filter code
* Rename `lttng_create_*_if_missing()` in anticipation of event notifiers
* Extract event enabler fields to specialized struct
* Docs: explain why unused `lttng_enabler::ctx` is kept around
* Rename `enum lttng_enabler_type` to `_format_type`
* Test: add signed value and enum for testings of event notifier capture
* Cleanup: remove usage of enum in ABI structures
* Fix: type mismatch in clone instrumentation
* syscalls: Make clone()'s `flags` field a 2 enum struct.
* fix: strncpy equals destination size warning
* Set version to 2.13-pre
* Cleanup: lttng-syscalls: silence warning about uninitialized bitmap variable
* Add 'kernel_read' wrapper for kernels < v4.14
* fix: Use 'kernel_read' to read from procfs
* fix: don't allow userspace copy to read kernel memory
* fix: Add a 1MB limit to lttng_strlen_user_inatomic
* fix: Adjust ranges for Ubuntu 4.15.0-119 kernel
* fix: Adjust ranges for Ubuntu HWE 5.0 kernels
* Fix: system call filter table
* fix: version ranges for ext4_discard_preallocations and writeback_queue_io
* fix: writeback: Fix sync livelock due to b_dirty_time processing (v5.9)
* fix: writeback: Drop I_DIRTY_TIME_EXPIRE (v5.9)
* fix: removal of [smp_]read_barrier_depends (v5.9)
* fix: ext4: indicate via a block bitmap read is prefetched… (v5.9)
* fix: ext4: limit the length of per-inode prealloc list (v5.9)
* fix: KVM: x86/mmu: Make kvm_mmu_page definition and accessor internal-only (v5.9)
* fix: Move mmutrace.h into the mmu/ sub-directory (v5.9)
* Namespace all logging statements
* Kconfig: fix dependency issue when building in-tree without CONFIG_FTRACE
* Fix: mmap enum flags build failures
* syscalls: Make mmap()'s fields `prot` and `flags` enums
* x86: add error code enum to pagefault tracepoints
* Fix: TAINT_UNSAFE_SMP renamed to TAINT_CPU_OUT_OF_SPEC in v3.15
* module_load: change `taints` field to `ctf_enum`
* Fix: Lock metadata cache on session destroy
* Fix: metadata stream leak, missing list removal and locking
* Fix: coherent state not changed atomically with metadata written
* fix: include module.h for EXPORT_SYMBOL_GPL
* fix: __lttng_vmalloc_node_range const caller introduced in v3.6
* fix: version range for overflow_callback
* fix: global_dirty_limit was introduced in v3.1
* fix: wrapper_uprobe_unregister is a void function
* fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
* fix: vmalloc on v5.8 without KALLSYMS
* Detect missing symbols used with kallsyms_lookup at compile time
* Add time namespace context
* Use exported symbol bdevname() instead of disk_name()
* Add git-review config
* fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
* Update design document
* Add lttng-modules design document
* Fix: callstack: initialize nested sequence length field name
* Fix: callstack: NULL pointer dereference: length field also need fdata
* Fix: callstack context memory corruption
* fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
* fix: block: remove the error argument to the block_bio_complete (v5.8)
* fix: pipe_buf_operations rework (v5.8)
* Fix: syscalls: Ignore fcntl cmd specific to 32-bit in 64-bit only config
* Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
* fix: vmalloc_sync_mappings was backported to v5.5.12
* Update: Additional kernel ranges for vmalloc_sync_mappings
* Update: Use vmalloc_sync_mappings for stable kernels
* Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
* Cleanup: remove unsupported `ctf_float()` macros
* Cleanup: have interpreter functions return _DISCARD instead of 0
* Cleanup: bytecode: typo: "s16" -> "u16"
* Cleanup: Rename patches.i to patches.h
* Cleanup: Move all source files to src/
* Cleanup: Move patches.i to include/generated/
* Cleanup: Move lttng-modules instrumentation headers
* Cleanup: Remove toplevel directory from include search path
* Cleanup: Move blacklist/ headers to include/blacklist/
* Cleanup: Move wrapper/ headers to include/wrapper/
* Cleanup: Move instrumentation/ headers to include/instrumentation/
* Cleanup: Remove deprecated TODO file
* fix: add missing guid_t type to wrapper
* Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
* Cleanup: Move headers from toplevel to include/lttng/
* Cleanup: Move headers from probes/ to include/lttng/
* Cleanup: Move headers from lib/ to include/lttng/
* Cleanup: Move lib/ringbuffer/ headers to include/ringbuffer/
* Fix: wrapper random documentation
* Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
* Unbreak LTTng for kernel 5.7
* Move lttng wrappers into own module
* Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
* instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
* instrumentation: update mm_vmscan for kernel >= 5.7.0
* filter: bytecode already in the list should go before
* tracepoint: Refactor representation of nested types
* wrapper/compiler.h: Implement __LTTNG_COMPOUND_LITERAL
* Update to SPDX v3.0 identifiers
* fix: uaccess wrapper for CentOS >= 4.18.0-147
* fix: ext4 instrumentation for CentOS >= 4.18.0-147
* fix: signal instrumentation for CentOS >= 4.18.0-147
* fix: kvm instrumentation for CentOS >= 4.18.0-147
* fix: rcu instrumentation for CentOS >= 4.18.0-80
* Fix: update kvm instrumentation for Ubuntu 5.3.0-45
* Fix: update kvm instrumentation for Ubuntu 5.3.0-43
* Fix: fcntl enum: only emit F_GETOWNER_UIDS for kernels >= 3.6
* syscalls: Make the cmd field of fcntl an enum
* syscalls: Make the flags and mode fields of open[at] enumerations
* Fix: update kvm instrumentation for Ubuntu 4.15.0-92
* Record event as soon as one filter evaluates to TRUE
* Add UDP and ICMP packet header information to the tracepoint
* statedump: introduce file_table_address
* Remove kernel version from syscall headers name
* Add script to automate the syscall extraction process
* Update lttng-syscalls-extractor for v5.6.0
* Add a Makefile for the lttng-syscalls-extractor module
* Cleanup: Syscall headers scripts shellcheck warnings
* Remove lttng-ftrace integration
* Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
* Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
* Remove work-around for signed tracepoint module tainting (kernel 3.15+)
* Change integer base to hex for fields representing addresses
* Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
* fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
* fix: use timespec64 on kernels that have it
* fix: move lttng_close_on_exec to proper wrapper
* fix: 'struct timex' removed upstream (v5.6)
* Fix: statedump: consistently check task_cred_xxx() return value for NULL
* Fix: statedump: check task_active_pid_ns return value for NULL
* Fix: lttng-events.c: variable may be used uninitialized
* Cleanup: remove trailing white spaces across project
* sched: Make the sched_switch task state an enum
* block: Make the rwbs field as a bit field enum
* fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
* fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
* fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
* fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
* fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
* fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
* fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
2020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
* Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
* Version 2.12.0-pre
* Bump LTTNG_MODULES_ABI_MINOR_VERSION to 5
* fix: use user ns wrapper code in new id trackers
* fix: function prototype in wrapper/mm.h
* ID tracker: implement vpid/uid/vuid/gid/vgid trackers
* lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
* lttng-clear: stop tracing required
* sunrpc: introduce lttng_get_clid helper
* Fix: sunrpc: use signed integer for client id
* Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
* Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
* fix: ext4: Reserve revoke credits for freed blocks (v5.5)
* fix: btrfs: tracepoints: constify all pointers (v5.5)
* fix: btrfs block group struct refactor (v5.5)
* fix: y2038: itimer: change implementation to timespec64 (v5.5)
* Update .gitignore from upstream
* Add missing include for kernels between 3.8 and 3.15
* Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
* net: Add entry/exit tracepoints for all receive paths
* statedump: Add thread ID (tid) to interrupt
* metadata: Add the product uuid to the 'env' section
* Cleanup: statedump process state event pid namespace fields
* Add namespaces statedump
* Add uid/gid contexts
* Add namespace contexts
* README.md: Document LTTNG_TRACEPOINT_EVENT
* README.md: cleanup formatting for bullet lists
* Fix: btrfs: move basic block_group definitions to their own header (v5.4)
* Cleanup: Silence gcc fall-through warning
* Fix: update sched prev_state instrumentation for upstream kernel
* Fix: gcc-9.1 stack frame size warning
* Implement ring buffer clear
* Make bitfield.h C++-friendly
* Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
* Add metadata env fields
* Introduce LTTNG_KERNEL_SESSION_SET_NAME
* Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
* Fix: missing define when not building with gcc
* Fix: lttng-tracepoint module notifier should return NOTIFY_OK
* Fix: Don't print ring-buffer's records count when it is not used
* Fix: do not set quiescent state on channel destroy
* Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
* Introduce callstack stackwalk implementation header
* Prepare callstack common code for stackwalk
* Introduce callstack legacy implementation header
* fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
* fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
* fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
* fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
* fix: timer/trace: Improve timer tracing (v5.2)
* Cleanup: bitfields: streamline use of underscores
* Silence compiler "always false comparison" warning
* Fix: bitfield: shift undefined/implementation defined behaviors
* Fix: timestamp_end field should include all events within sub-buffer
* Fix: Remove start and number from syscall_get_arguments() args (v5.1)
* lttng abi documentation: clarify getter usage requirements
* Fix: don't access packet header for stream_id and stream_instance_id getters
* Fix: atomic_long_add_unless() returns a boolean
* Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
* Fix: pipe: stop using ->can_merge (v5.1)
* Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
* Fix: mm: create the new vm_fault_t type (v5.1)
* Fix: extra-version-git.sh redirect stderr to /dev/null
* Move timekeeping blacklisting to a header file
* Blacklist: kprobe for arm
* Cleanup: tp mempool: Remove logically dead code
* Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
* Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
* Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
* Fix: Remove 'type' argument from access_ok() function (v5.0)
* Fix: timer instrumentation for RHEL 7.6
* Add missing SPDX license identifiers to uprobes
* Drop support for kernels < 3.0 from Makefiles
* Drop support for kernels < 3.0 from writeback instrumentation
* Drop support for kernels < 3.0 from workqueue instrumentation
* Drop support for kernels < 3.0 from skb instrumentation
* Drop support for kernels < 3.0 from scsi instrumentation
* Drop support for kernels < 3.0 from sched instrumentation
* Drop support for kernels < 3.0 from power instrumentation
* Drop support for kernels < 3.0 from net instrumentation
* Drop support for kernels < 3.0 from module instrumentation
* Drop support for kernels < 3.0 from mm_vmscan instrumentation
* Drop support for kernels < 3.0 from lock instrumentation
* Drop support for kernels < 3.0 from kvm instrumentation
* Drop support for kernels < 3.0 from kmem instrumentation
* Drop support for kernels < 3.0 from jbd2 instrumentation
* Drop support for kernels < 3.0 from irq instrumentation
* Drop support for kernels < 3.0 from ext4 instrumentation
* Drop support for kernels < 3.0 from block instrumentation
* Drop support for kernels < 3.0 from lttng-statedump-impl.c
* Drop support for kernels < 3.0 from lttng-kernel-version.h
* Drop support for kernels < 3.0 from lttng-events.h
* Drop support for kernels < 3.0 from lib
* Drop spinlock.h wrapper
* Drop kstrtox.h wrapper
* Drop uuid.h wrapper
* Drop vzalloc.h wrapper
* Drop support for kernels < 3.0 from tracepoint.h wrapper
* Drop support for kernels < 3.0 from perf.h wrapper
* Drop support for kernels < 3.0 from atomic.h wrapper
* Drop compat patches for kernels < 2.6.36
* Bump minimum kernel version to 3.0
* Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
* Fix: signal: Remove SEND_SIG_FORCED (v4.20)
* Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
* statedump cpu topology: introduce LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
* CPU topology statedump on x86
* Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
* Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
* Fix: adapt to kernel relative references
* Fix: sync event enablers before choosing header type
* Fix: implicit declarations caused by buffer size checks.
* Prevent allocation of buffers if exceeding available memory
* Fix: btrfs instrumentation namespacing
* Fix: Convert rcu tracepointis to gp_seq (v4.19)
* Fix: tracing: Centralize preemptirq tracepoints (4.19)
* Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
* Fix: access migrate_disable field directly
* Fix: out of memory error handling
* Fix: uprobes: missing break in lttng_event_ioctl()
* Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
* Fix: instruction pointer has different names across arch
* Fix: build failures when CONFIG_UPROBES is absent
* uprobe: Support multiple call sites for the same uprobe event
* uprobe: Receive file descriptor from session instead of path to file
* uprobe: Mark uprobe event as registered
* Add uprobes support
* Fix: adjust SLE version ranges to build with SP2 and SP3
* Fix: Allow alphanumeric characters in SLE version
* Fix: Adjust range for SuSE 4.4.103-92 kernels
* Cleanup: move to kernel style SPDX license identifiers
* Cleanup: move scripts to subdirectory
* Cleanup: modinfo keys
* Add extra version information framework
* Revert "Add btrfs file item tracepoints"
* Fix: btrfs: Remove unnecessary fs_info parameter
* Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
* Fix: asoc: Remove snd_soc_cache_sync() implementation
* Fix: asoc: fix printing jack name
* Fix: asoc: Consolidate path trace events
* Fix: ASoC level IO tracing removed upstream
* Enable userspace callstack contexts only on x86
* Prevent re-entrancy in callstack-user context
* Callstack context: bump number of entries to 128
* Fix: callstack context alignment calculation
* Cleanup callstack context
* Fix callstack context: write empty sequence if no stack trace
* Fix: callstack context: false-sharing, bad memory size allocation
* callstack context: use delimiter when stack is incomplete
* Cleanup callstack context
* Add kernel and user callstack contexts
* Assign CPU id before saving the context size
* Define max nesting count constant
* Compute variable sized context length
* Pass arguments for context size computation
* Add 9p probe
* Update delayed ref tracepoints for v3.12
* Add btrfs file item tracepoints
* Add btrfs tracepoint for em's EEXIST case
* Fix: dyntick field added to trace_rcu_dyntick in v4.16
* Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
* Fix: lttng filter validator ERANGE error handling
* Fix: filter interpreter: use LTTNG_SIZE_MAX
* Filter: add FILTER_OP_RETURN_S64 instruction
* Perform bitwise ops on unsigned types
* Filter: catch shift undefined behavior
* Filter: add lshift, rshift, bit not ops
* Filter: index array, sequences, implement bitwise binary operators
* Fix: pid tracker should track "pgid" for noargs probes
* lttng-tp-mempool: perform node-local allocation
* Fix: update RCU instrumentation for 4.17
* Fix: sunrpc instrumentation for 4.17
* Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
* Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
* Update: kvm instrumentation for ubuntu 4.13.0-38
* Fix: update kvm instrumentation for Ubuntu 3.13.0-144
* Fix: btrfs instrumentation namespacing
* Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
* Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
* Fix: update kvm instrumentation for 4.1.50+
* Use the memory pool instead of kmalloc
* Create a memory pool for temporary tracepoint probes storage
* Fix: use proper pid_ns in the process statedump
* Fix: add variable quoting to shell scripts
* Update: kvm instrumentation for fedora 4.14.13-300
* Fix: Add Fedora version macros
* Add preemptirq instrumentation
* Clean-up: fix stale #endif comments
* Command to dump the metadata cache again
* Add a new /dev/lttng-logger interface
* Fix: update btrfs instrumentation for SuSE 4.4.114-92
* Fix: update block instrumentation for SuSE 4.4.114-92
* Fix: update rcu instrumentation for v4.16
* Fix: update vmscan instrumentation for v4.16
* Fix: update timer instrumentation on 4.16 and 4.14-rt
* Update kvm instrumentation for debian kernel 4.14.0-3
* Fix: network instrumentation protocol enum
* Fix: update btrfs instrumentation for SuSE 4.4.103-6
* Fix: update block instrumentation for SuSE 4.4.73-5
* Fix: global_dirty_limit for kernel v4.2 and up
* Fix: network instrumentation handling of corrupted TCP headers
* Fix: add missing uaccess.h include from kstrtox.h wrapper
* Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
* Fix: btrfs_delayed_ref_head was unwired since v3.12
* Update kvm instrumentation for debian kernel 4.9.65-3
* Fix: debian kernel version parsing
* Fix: block instrumentation 4.14+ NULL pointer dereference
* Update: kvm instrumentation for 3.16.52 and 3.2.97
* Fix: kvm instrumentation for 4.15
* Update sock instrumentation for 4.15
* Update kvm instrumentation for 4.15
* Fix: ACCESS_ONCE() removed in kernel 4.15
* Fix: sched instrumentation on stable RT kernels
* timer API transition for kernel 4.15
* Fix: Don't nest get online cpus
* Fix: lttng_channel_syscall_mask() bool use in bitfield
* Fix: update kmem instrumentation for kernel 4.15
* Fix: lttng_kvmalloc helper NULL pointer OOPS
2018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
* Fix: uprobes: missing break in lttng_event_ioctl()
* Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
* Fix: instruction pointer has different names across arch
* Fix: build failures when CONFIG_UPROBES is absent
* uprobe: Support multiple call sites for the same uprobe event
* uprobe: Receive file descriptor from session instead of path to file
* uprobe: Mark uprobe event as registered
* Add uprobes support
* Fix: adjust SLE version ranges to build with SP2 and SP3
* Fix: Allow alphanumeric characters in SLE version
* Fix: Adjust range for SuSE 4.4.103-92 kernels
* Cleanup: move to kernel style SPDX license identifiers
* Cleanup: move scripts to subdirectory
* Cleanup: modinfo keys
* Add extra version information framework
* Revert "Add btrfs file item tracepoints"
* Fix: btrfs: Remove unnecessary fs_info parameter
* Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
* Fix: asoc: Remove snd_soc_cache_sync() implementation
* Fix: asoc: fix printing jack name
* Fix: asoc: Consolidate path trace events
* Fix: ASoC level IO tracing removed upstream
* Enable userspace callstack contexts only on x86
* Prevent re-entrancy in callstack-user context
* Callstack context: bump number of entries to 128
* Fix: callstack context alignment calculation
* Cleanup callstack context
* Fix callstack context: write empty sequence if no stack trace
* Fix: callstack context: false-sharing, bad memory size allocation
* callstack context: use delimiter when stack is incomplete
* Cleanup callstack context
* Add kernel and user callstack contexts
* Assign CPU id before saving the context size
* Define max nesting count constant
* Compute variable sized context length
* Pass arguments for context size computation
* Add 9p probe
* Update delayed ref tracepoints for v3.12
* Add btrfs file item tracepoints
* Add btrfs tracepoint for em's EEXIST case
* Fix: dyntick field added to trace_rcu_dyntick in v4.16
* Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
* Fix: lttng filter validator ERANGE error handling
* Fix: filter interpreter: use LTTNG_SIZE_MAX
* Filter: add FILTER_OP_RETURN_S64 instruction
* Perform bitwise ops on unsigned types
* Filter: catch shift undefined behavior
* Filter: add lshift, rshift, bit not ops
* Filter: index array, sequences, implement bitwise binary operators
* Fix: pid tracker should track "pgid" for noargs probes
* lttng-tp-mempool: perform node-local allocation
* Fix: update RCU instrumentation for 4.17
* Fix: sunrpc instrumentation for 4.17
* Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
* Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
* Update: kvm instrumentation for ubuntu 4.13.0-38
* Fix: update kvm instrumentation for Ubuntu 3.13.0-144
* Fix: btrfs instrumentation namespacing
* Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
* Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
* Fix: update kvm instrumentation for 4.1.50+
* Use the memory pool instead of kmalloc
* Create a memory pool for temporary tracepoint probes storage
* Fix: use proper pid_ns in the process statedump
* Fix: add variable quoting to shell scripts
* Update: kvm instrumentation for fedora 4.14.13-300
* Fix: Add Fedora version macros
* Add preemptirq instrumentation
* Clean-up: fix stale #endif comments
* Command to dump the metadata cache again
* Add a new /dev/lttng-logger interface
* Fix: update btrfs instrumentation for SuSE 4.4.114-92
* Fix: update block instrumentation for SuSE 4.4.114-92
* Fix: update rcu instrumentation for v4.16
* Fix: update vmscan instrumentation for v4.16
* Fix: update timer instrumentation on 4.16 and 4.14-rt
* Update kvm instrumentation for debian kernel 4.14.0-3
* Fix: network instrumentation protocol enum
* Fix: update btrfs instrumentation for SuSE 4.4.103-6
* Fix: update block instrumentation for SuSE 4.4.73-5
* Fix: global_dirty_limit for kernel v4.2 and up
* Fix: network instrumentation handling of corrupted TCP headers
* Fix: add missing uaccess.h include from kstrtox.h wrapper
* Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
* Fix: btrfs_delayed_ref_head was unwired since v3.12
* Update kvm instrumentation for debian kernel 4.9.65-3
* Fix: debian kernel version parsing
* Fix: block instrumentation 4.14+ NULL pointer dereference
* Update: kvm instrumentation for 3.16.52 and 3.2.97
* Fix: kvm instrumentation for 4.15
* Update sock instrumentation for 4.15
* Update kvm instrumentation for 4.15
* Fix: ACCESS_ONCE() removed in kernel 4.15
* Fix: sched instrumentation on stable RT kernels
* timer API transition for kernel 4.15
* Fix: Don't nest get online cpus
* Fix: lttng_channel_syscall_mask() bool use in bitfield
* Fix: update kmem instrumentation for kernel 4.15
* Fix: lttng_kvmalloc helper NULL pointer OOPS
* Update version to 2.11.0-pre
* Fix: lttng-logger get_user_pages_fast error handling
* Fix: update block instrumentation for 4.14 kernel
* Revert "Fix: update block instrumentation for kernel 4.14"
* Fix: version check error in btrfs instrumentation
* Fix: update btrfs instrumentation for kernel 4.14
* Fix: update writeback instrumentation for kernel 4.14
* Fix: update block instrumentation for kernel 4.14
* Fix: vmalloc wrapper on kernel < 2.6.38
* Fix: vmalloc wrapper on kernel >= 4.12
* Add kmalloc failover to vmalloc
* Fix: mmap: caches aliased on virtual addresses
* Fix: update ext4 instrumentation for kernel 4.13
* Fix: Sleeping function called from invalid context
* Fix: sched for v4.11.5-rt1
* Make vim users life easier
* Rename Makefile.ABI.workarounds to Kbuild.common
* Fix: handle missing ftrace header on v4.12
* Fix: pid tracker should track "pgid"
* Cleanup: typo in lttng pid tracker
* Fix: Build ftrace probe on kernels prior to 4.12
* Fix: update ftrace probe for kernel 4.12
* Fix: update block instrumentation for kernel 4.12
* Calculate context length outside of retry loop
* Fix: Add support for 4.9.27-rt18 kernel
* Fix: update btrfs instrumentation for kernel 4.12
* Fix: update ringbuffer for kernel 4.12
* Fix: update sched instrumentation for kernel 4.12
* Fix: ext3 was completely removed from the kernel in v4.3
* Fix: NULL pointer dereference of THIS_MODULE with built-in modules
* Fix: add "flush empty" ioctl for stream intersection
* Revert "Fix: flush empty packets on snapshot channel"
* Revert "Fix: don't perform extra flush on metadata channel"
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