ChangeLog

   1 2013-07-11 LTTng modules 2.0.8
   2         * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
   3         * Fix: SWITCH_FLUSH new sub-buffer checks
   4         * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
   5         * Fix: handle writes of length 0
   6         * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
   7
   8 2013-06-18 LTTng modules 2.0.7
   9         * Fix build and load against linux-2.6.33.x
  10         * Fix check in lttng_strlen_user_inatomic
  11         * Fix: statedump hang/too early completion due to logic error
  12         * Fix: statedump hang due to incorrect wait/wakeup use
  13
  14 2012-12-07 LTTng modules 2.0.6
  15         * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
  16         * Fix warning with 3.6.0 kernel
  17         * Fix: compat layer only on supported architectures
  18         * Fix ring buffer 32/64 bits compat
  19         * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
  20         * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
  21         * fix timestamps on architectures without CONFIG_KTIME_SCALAR
  22
  23 2012-08-27 LTTng modules 2.0.5
  24         * Fix: statedump: disable vm maps enumeration
  25         * Fix: ensure userspace accesses are done with _inatomic
  26         * Fix: vppid context should test for current nsproxy
  27
  28 2012-06-27 LTTng modules 2.0.4
  29         * LTTng: probe-statedump: add #include <linux/sched.h>
  30         * fix: signal_generate event should print utf8 for comm field
  31
  32 2012-06-01 LTTng modules 2.0.3
  33         * Fix: free_event_id check should compare unsigned int with -1U
  34         * Fix: update signal instrumentation for 3.4 kernel
  35
  36 2012-04-18 LTTng modules 2.0.2
  37         * Fix: generate header missing echo -e for escape chars
  38         * Fix: add missing uaccess.h include (for ARM)
  39         * README: Document that CONFIG_MODULES is required
  40         * Fix: README typo
  41         * Fix: document required and optional kernel config options in README
  42
  43 2012-03-29 LTTng modules 2.0.1
  44         * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
  45
  46 2012-03-20 LTTng modules 2.0.0
  47         * First STABLE version
  48         * Add version name
  49
  50 2012-03-20 LTTng modules 2.0.0-rc4
  51         * Update README and add version name place-holder
  52
  53 2012-03-16 LTTng modules 2.0.0-rc3
  54         * Fix clock offset 32-bit multiplication overflow
  55         * Fix : wrong assign of fd in state dump
  56         * License cleanup, ifdef namespace cleanup
  57         * Fix: ensure power of 2 check handles 64-bit size_t entirely
  58
  59 2012-03-02 LTTng modules 2.0.0-rc2
  60         * Fix: dmesg printout should not print metadata warnings
  61         * Fix: use transport name as channel name
  62         * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
  63
  64 2012-02-20 LTTng modules 2.0.0-rc1
  65         * Standardize version across toolchain
  66         * statedump: Use old macro name for kernel 2.6.38
  67
  68 2012-02-16 LTTng modules 2.0-pre15
  69         * Add timer instrumentation
  70         * fix: need to undef mainline define
  71         * fix: Include signal.h instead of irq.h for prototype match check
  72         * Add signal instrumentation
  73
  74 2012-02-16 LTTng modules 2.0-pre14
  75         * syscall tracing: sys_getcpu
  76         * Add sys_clone x86 instrumentation
  77         * statedump: fix include circular dep
  78         * Implement state dump
  79
  80 2012-02-09 LTTng modules 2.0-pre13
  81         * Update README
  82         * environment: write sysname, release, version, domain to metadata
  83         * Allow open /proc/lttng for read & write
  84
  85 2012-02-02 LTTng modules 2.0-pre12
  86         * Add x86 32/64 execve syscall instrumentation override
  87         * Remove unused defines
  88         * Add padding to ABI
  89         * Use LTTNG_KERNEL_SYM_NAME_LEN
  90         * Update version to 1.9.9
  91         * Add missing double-quotes to clock uuid
  92         * clock: read bootid as clock monotonic ID
  93         * Fix comment
  94         * Cleanup comment
  95         * clock: output clock description in metadata
  96         * Properly fix the timekeeping overflow detection
  97         * Fix init bug
  98         * rename lib-ring-buffer to lttng-lib-ring-buffer
  99         * Remove #warning
 100         * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
 101         * Update TODO
 102         * Update TODO
 103         * Remove debugfs file (keep only proc file)
 104         * Rename lttng-debugfs-abi files to lttng-abi
 105
 106 2011-12-13 LTTng modules 2.0-pre11
 107         * Fix OOPS caused by reference of config pointer
 108         * Gather detailed info from x86 64 32-bit compat syscall instrumentation
 109         * lttng lib: ring buffer move null pointer check to open
 110         * lttng lib: ring buffer remove duplicate null pointer
 111         * lttng lib: ring buffer: remove stale null-pointer
 112         * lttng wrapper: add missing include to kallsyms wrapper
 113         * lttng: cleanup one-bit signed bitfields
 114         * Add TODO file
 115         * Update symbol name length max size to 256
 116         * Fix last modifications to string_from_user operations
 117         * Document that depmod needs to be executed by hand
 118         * Fix strlen_user fault space reservation
 119         * Fix tp_copy_string_from_user handling of faults
 120         * Disable block layer tracing support for kernels < 2.6.38
 121         * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
 122         * Update trace clock warning to match the current development plan
 123         * ringbuffer: make ring buffer printk less verbose
 124         * Makefile: do not run depmod manually
 125
 126 2011-09-30 LTTng modules 2.0-pre10
 127         * x86-32: override sys_mmap syscall instrumentation
 128         * Fix cast warning
 129
 130 2011-09-29 LTTng modules 2.0-pre9
 131         * x86 32 syscalls: fix !CONFIG_UID16
 132         * Use __string_from_user
 133         * Add __string_from_user
 134         * Rename "comm" context to "procname"
 135         * Fetch "type" name field for mount syscall
 136         * Create common override file for all architectures
 137         * Shrink stack size usage
 138         * Cleanup: remove unused lttng-compat-syscalls.c file
 139         * Support detailed compat syscalls on x86_64
 140         * Fix syscall table
 141         * Add disabled compat syscalls detail (work in progress)
 142         * Add config compat support for detailed x86_32 syscalls
 143         * Handle newer 3.1+ perf API
 144         * Add dummy x86-32 override headers
 145         * Bind x86-32 syscall headers
 146         * Add x86-32 syscall headers
 147         * Add check for KALLSYMS_ALL in syscall extraction script
 148         * Automate string extraction for syscalls
 149         * Automate syscall filename/pathname extraction
 150         * Add exit to ring_buffer_frontend so module is unloadable
 151         * Add sys_open filename (x86_64)
 152         * Add missing memcpy callback
 153         * copy_from_user and memset
 154         * Add missing alignment after header write
 155         * lib ring buffer: add frontend init as module_init
 156         * lib ring buffer frontend: add missing lock initialization
 157         * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
 158         * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
 159         * Create override for sys_mmap
 160         * Rename syscalls -> syscall in LTTng ABI
 161         * Use different event name for compat syscalls
 162         * Allow trace syscall table override
 163         * Add dummy override files
 164         * syscall detail: add override capability
 165         * Add pointer pretty-print heuristics
 166         * Add __field_hex
 167         * Rename sys exit errno into ret
 168         * Enable detailed syscalls only for native x86_64
 169         * Use "unknown" for compat syscalls
 170         * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
 171         * Fix syscall exit
 172         * Fix sys exit
 173         * Only enable detailed syscalls for x86_64 for now
 174         * Merge unknown syscall method with extended detail method
 175         * Add underscore prefix before event names
 176         * Add syscalls pointers detailed syscall tracing
 177         * Use perl for regexp
 178         * Support generation of syscall probes for those with pointers
 179         * Support detailed syscalls with 0 arguments
 180         * detailed syscall tracing (work in progress)
 181         * Expose /proc/lttng file
 182         * Implement detailed syscall event probe
 183         * Disable perf build for < 2.6.33 kernels
 184         * Syscall detail mode: generate syscall table
 185         * block instrumentation: write cmd as hex sequence
 186         * lttng-events TRACE_EVENT generator cleanup
 187         * block layer instrumentation: fix cmd field
 188         * Remove 0 args syscalls for now from type-aware syscall cb generator
 189         * Generate trace syscall table macros
 190         * Put syscall tracing without arg types back in place
 191         * Detailed system call tracing (TRACE_EVENT() generation for integer support)
 192         * lttng events probes: don't clash with "ctx" variable name
 193         * lib ring buffer must take private pointer copy before decrementing refcount
 194
 195 2011-08-16 LTTng modules 2.0-pre8
 196         * Fix metadata buffer wait/wakeup
 197
 198 2011-08-12 LTTng modules 2.0-pre7
 199         * Add missing module refcount to lttng_tracepoint_list_fops
 200         * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2