ChangeLog

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