ChangeLog

   1 2013-03-29 LTTng modules 2.2.0-rc1
   2         * Update README
   3         * Fix: vmscan instrumentation build
   4         * writeback instrumentation: remove duplicated structures
   5         * block: update instrumentation to 3.9 rc kernel
   6         * rcu: update to 3.9 rc kernel instrumentation
   7         * workqueue instrumentation: remove duplicated structures
   8         * Rename odd event names
   9         * Introduce API to remap event names exposed by LTTng
  10         * lttng-module: sched.h: Fix compilation on 3.9 kernel
  11         * Fix Linux 3.8 btrfs probe warning
  12         * Fix Linux 3.8 ext4 probe support
  13         * Fix 3.8 kernel support: namespace lttng_is_signed_type()
  14         * Fix: don't flush-final for offset 0 if reader is on sub-buffer
  15         * instrumentation sched: add missing fork pid info
  16         * Fix check in lttng_strlen_user_inatomic
  17         * instrumentation: sync with Linux commit a1ce392
  18         * Fix: statedump: missing locking, use lttng_iterate_fd
  19         * Implement lttng_iterate_fd wrapper
  20         * Instrumentation cleanup: kmem events should print hex pointers
  21         * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
  22         * Fix: statedump hang/too early completion due to logic error
  23         * Fix: statedump hang due to incorrect wait/wakeup use
  24         * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
  25         * wrapper/perf.h: Fix kernel version condition
  26         * Add new kernel probes instrumentation
  27         * Update kernel probes to more detailed match to kernel versions
  28         * Fix possible kernel build errors with linux-patches
  29         * Add missing MIT license text to 3 files under this license
  30         * Update sites using kernel version checking macro to new range
  31         * Make upper bound of kernel version checking macro exclusive
  32         * sock instrumentation: fix fields to get referenced values
  33         * ext3 instrumentation: fix of assignment code conversion
  34         * sched instrumentation: rename "pid" fields in sched_process_exec
  35         * Remove remaining semicolons in TP_fast_assign blocks
  36         * Fix compilation for 3.0 kernels that are named 2.6.40
  37         * Fix compilation for 3.0 branch (>= 3.0.39)
  38         * Add kernel version checking macro
  39         * Remove semicolons in TP_fast_assign blocks
  40         * Add ifdefs to net probe to support Linux 2.6.39
  41         * Add kernel probes for supplementary subsystems
  42         * Check if interrupt action name is not null in statedump
  43         * Fix exec instrumentation: only for kernels 3.4.0 and higher
  44         * Add TRACE_EVENT(sched_process_exec) to sched.h
  45         * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
  46         * Fix warning with 3.6.0 kernel
  47         * ABI with support for compat 32/64 bits
  48         * Perform calculation on bit size in 64-bit
  49         * Use uint64_t for packet header content size and packet size
  50         * Fix: compat layer only on supported architectures
  51         * Fix ring buffer 32/64 bits compat
  52         * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
  53         * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
  54         * Fix: statedump missing check for NULL namespace
  55
  56 2012-09-10 LTTng modules 2.1.0-rc1
  57         * fix timestamps on architectures without CONFIG_KTIME_SCALAR
  58         * Support for linux kernels 2.6.32 through 2.6.37
  59         * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
  60         * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
  61         * Add env hostname information
  62         * Fix: lttng_statedump_process_state for each PID NS has infinite loop
  63         * lttng_statedump_process_state for each PID NS
  64         * Support the hostname context
  65         * Fix: statedump namespaced pid, tid and ppid
  66         * Fix: statedump: disable vm maps enumeration
  67         * Fix: ensure userspace accesses are done with _inatomic
  68         * Fix: vppid context should test for current nsproxy
  69         * Add MIPS system call support
  70         * Change mode of lttng-syscalls-generate-headers.sh to 755
  71         * cleanup: fix typo in syscall instrumentation header
  72         * Cleanup: remove trailing whitespace in README
  73         * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
  74         * LTTng: probe-statedump: add #include <linux/sched.h>
  75         * fix: signal_generate event should print utf8 for comm field
  76         * Makes write operation a parameter for tp_memcpy macro
  77         * Add coding style document
  78         * Update instrumentation/events README file
  79         * Add makefile target for preprocessor
  80         * Fix: free_event_id check should compare unsigned int with -1U
  81         * Use unsigned long type for events discarded counter
  82         * Fix: update signal instrumentation for 3.4 kernel
  83         * LTTng Modules ARM syscall instrumentation
  84         * Fix: generate header missing echo -e for escape chars
  85         * Fix: add missing uaccess.h include (for ARM)
  86         * README: Document that CONFIG_MODULES is required
  87         * Fix: README typo
  88         * Fix: document required and optional kernel config options in README
  89
  90 2012-03-29 LTTng modules 2.0.1
  91         * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
  92
  93 2012-03-20 LTTng modules 2.0.0
  94         * First STABLE version
  95         * Add version name
  96
  97 2012-03-20 LTTng modules 2.0.0-rc4
  98         * Update README and add version name place-holder
  99
 100 2012-03-16 LTTng modules 2.0.0-rc3
 101         * Fix clock offset 32-bit multiplication overflow
 102         * Fix : wrong assign of fd in state dump
 103         * License cleanup, ifdef namespace cleanup
 104         * Fix: ensure power of 2 check handles 64-bit size_t entirely
 105
 106 2012-03-02 LTTng modules 2.0.0-rc2
 107         * Fix: dmesg printout should not print metadata warnings
 108         * Fix: use transport name as channel name
 109         * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
 110
 111 2012-02-20 LTTng modules 2.0.0-rc1
 112         * Standardize version across toolchain
 113         * statedump: Use old macro name for kernel 2.6.38
 114
 115 2012-02-16 LTTng modules 2.0-pre15
 116         * Add timer instrumentation
 117         * fix: need to undef mainline define
 118         * fix: Include signal.h instead of irq.h for prototype match check
 119         * Add signal instrumentation
 120
 121 2012-02-16 LTTng modules 2.0-pre14
 122         * syscall tracing: sys_getcpu
 123         * Add sys_clone x86 instrumentation
 124         * statedump: fix include circular dep
 125         * Implement state dump
 126
 127 2012-02-09 LTTng modules 2.0-pre13
 128         * Update README
 129         * environment: write sysname, release, version, domain to metadata
 130         * Allow open /proc/lttng for read & write
 131
 132 2012-02-02 LTTng modules 2.0-pre12
 133         * Add x86 32/64 execve syscall instrumentation override
 134         * Remove unused defines
 135         * Add padding to ABI
 136         * Use LTTNG_KERNEL_SYM_NAME_LEN
 137         * Update version to 1.9.9
 138         * Add missing double-quotes to clock uuid
 139         * clock: read bootid as clock monotonic ID
 140         * Fix comment
 141         * Cleanup comment
 142         * clock: output clock description in metadata
 143         * Properly fix the timekeeping overflow detection
 144         * Fix init bug
 145         * rename lib-ring-buffer to lttng-lib-ring-buffer
 146         * Remove #warning
 147         * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
 148         * Update TODO
 149         * Update TODO
 150         * Remove debugfs file (keep only proc file)
 151         * Rename lttng-debugfs-abi files to lttng-abi
 152
 153 2011-12-13 LTTng modules 2.0-pre11
 154         * Fix OOPS caused by reference of config pointer
 155         * Gather detailed info from x86 64 32-bit compat syscall instrumentation
 156         * lttng lib: ring buffer move null pointer check to open
 157         * lttng lib: ring buffer remove duplicate null pointer
 158         * lttng lib: ring buffer: remove stale null-pointer
 159         * lttng wrapper: add missing include to kallsyms wrapper
 160         * lttng: cleanup one-bit signed bitfields
 161         * Add TODO file
 162         * Update symbol name length max size to 256
 163         * Fix last modifications to string_from_user operations
 164         * Document that depmod needs to be executed by hand
 165         * Fix strlen_user fault space reservation
 166         * Fix tp_copy_string_from_user handling of faults
 167         * Disable block layer tracing support for kernels < 2.6.38
 168         * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
 169         * Update trace clock warning to match the current development plan
 170         * ringbuffer: make ring buffer printk less verbose
 171         * Makefile: do not run depmod manually
 172
 173 2011-09-30 LTTng modules 2.0-pre10
 174         * x86-32: override sys_mmap syscall instrumentation
 175         * Fix cast warning
 176
 177 2011-09-29 LTTng modules 2.0-pre9
 178         * x86 32 syscalls: fix !CONFIG_UID16
 179         * Use __string_from_user
 180         * Add __string_from_user
 181         * Rename "comm" context to "procname"
 182         * Fetch "type" name field for mount syscall
 183         * Create common override file for all architectures
 184         * Shrink stack size usage
 185         * Cleanup: remove unused lttng-compat-syscalls.c file
 186         * Support detailed compat syscalls on x86_64
 187         * Fix syscall table
 188         * Add disabled compat syscalls detail (work in progress)
 189         * Add config compat support for detailed x86_32 syscalls
 190         * Handle newer 3.1+ perf API
 191         * Add dummy x86-32 override headers
 192         * Bind x86-32 syscall headers
 193         * Add x86-32 syscall headers
 194         * Add check for KALLSYMS_ALL in syscall extraction script
 195         * Automate string extraction for syscalls
 196         * Automate syscall filename/pathname extraction
 197         * Add exit to ring_buffer_frontend so module is unloadable
 198         * Add sys_open filename (x86_64)
 199         * Add missing memcpy callback
 200         * copy_from_user and memset
 201         * Add missing alignment after header write
 202         * lib ring buffer: add frontend init as module_init
 203         * lib ring buffer frontend: add missing lock initialization
 204         * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
 205         * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
 206         * Create override for sys_mmap
 207         * Rename syscalls -> syscall in LTTng ABI
 208         * Use different event name for compat syscalls
 209         * Allow trace syscall table override
 210         * Add dummy override files
 211         * syscall detail: add override capability
 212         * Add pointer pretty-print heuristics
 213         * Add __field_hex
 214         * Rename sys exit errno into ret
 215         * Enable detailed syscalls only for native x86_64
 216         * Use "unknown" for compat syscalls
 217         * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
 218         * Fix syscall exit
 219         * Fix sys exit
 220         * Only enable detailed syscalls for x86_64 for now
 221         * Merge unknown syscall method with extended detail method
 222         * Add underscore prefix before event names
 223         * Add syscalls pointers detailed syscall tracing
 224         * Use perl for regexp
 225         * Support generation of syscall probes for those with pointers
 226         * Support detailed syscalls with 0 arguments
 227         * detailed syscall tracing (work in progress)
 228         * Expose /proc/lttng file
 229         * Implement detailed syscall event probe
 230         * Disable perf build for < 2.6.33 kernels
 231         * Syscall detail mode: generate syscall table
 232         * block instrumentation: write cmd as hex sequence
 233         * lttng-events TRACE_EVENT generator cleanup
 234         * block layer instrumentation: fix cmd field
 235         * Remove 0 args syscalls for now from type-aware syscall cb generator
 236         * Generate trace syscall table macros
 237         * Put syscall tracing without arg types back in place
 238         * Detailed system call tracing (TRACE_EVENT() generation for integer support)
 239         * lttng events probes: don't clash with "ctx" variable name
 240         * lib ring buffer must take private pointer copy before decrementing refcount
 241
 242 2011-08-16 LTTng modules 2.0-pre8
 243         * Fix metadata buffer wait/wakeup
 244
 245 2011-08-12 LTTng modules 2.0-pre7
 246         * Add missing module refcount to lttng_tracepoint_list_fops
 247         * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2