ChangeLog

   1 2011-05-19 ust 0.13
   2         * API CHANGE!!! trace_mark has been deprecated, new ust_maker, without
   3         channel name. ex. ust_marker(name, <format>, args...)
   4         * Instrumentation API CHANGE!!! change from trace_<name>(args...) to
   5         tracepoint(name, args...), register_trace_<name>(...) to
   6         register_tracepoint(name, ...) and unregister_trace_<name>(...) to
   7         unregister_tracepoint(name, ...)
   8         * Instrumentation API CHANGE!!! TRACE_EVENT -> TRACEPOINT_EVENT etc
   9         * Mutliple ust-consumerd fixes
  10         * Fix a bug in the tracepoint ptrs section
  11         * Clarify licenses
  12         * Busybox support in most scripts added
  13         * Remove some dead code
  14         * List only online pids and pids that can be accessed by current users
  15         using libustctl
  16
  17 2011-03-14 ust 0.12
  18         * ARM support
  19         * Fix lots of low-level bugs, mostly courtesy of Mathieu and Yannick
  20         * Introduce new ustctl cli
  21         * API CHANGE!!! libustcmd renamed to libustctl
  22         * API CHANGE!!! libustctl now uses sockets instead of pids
  23         * Short signal names in scripts for busybox compatibility
  24
  25 2011-01-14 ust 0.11
  26         * Fix a serious bug in the newly introduced synchronized timer
  27         implementation.
  28         * Increase compatibility of an autoconf test
  29
  30 2011-01-14 ust 0.10
  31         * Run time check for lttng clock source providing synchronized
  32         timestamps
  33         * Rename of ustd and libustd to ust-consumerd and libustconsumer,
  34         remember to run ldconfig
  35
  36 2010-12-03 ust 0.9
  37         * Cleaned up namespace
  38         * Compatible with userspace-rcu version 0.5.2
  39         * Fixed a minor bug in a test
  40
  41 2010-10-26 ust 0.8
  42         * API CHANGE!!! Add data pointer to tracepoint probe
  43         void *data is always the first argument to a tracepoint probe
  44         * License LGPGv2.1 text and information added
  45         * Update COPYING file
  46         * Add TRACE_EVENT api proposal, not finalised
  47         NOT usable at this point. Only bound to a printf.
  48         ustctl command for listing trace event
  49         * Multiple fixes
  50         Compilation warnings
  51         Value and error handling
  52         Fix bugs introduce by prior commits
  53         Security fix (CVE-2010-3386)
  54         Add exit status for ustctl
  55         Change malloc to zmalloc for most of UST
  56         Remove unused code, syntax cleanup and consistency for markers
  57         * New UST internal communication protocol
  58         Add message headers
  59         Usage of epoll
  60         * New testcases
  61         * Try to decrease namespace pollution
  62         * Fix valgrind for sendmsg bug
  63         * tracectl destructor aware of fork
  64
  65 2010-08-16  ust 0.6
  66         * add ust strncpy interface for input robustness
  67         * multiple memory barrier fix
  68         * add libustd: contains the core functionality of ustd
  69         * add get/set commands for daemon socket path
  70         * fix cacheline aligned to use liburcu value
  71         * fix usage of custom probes: use trace_mark_tp
  72         * remove ltt_relay_buffer_flush function
  73         * add ustctl manpage: force-switch and get/set-sock-path
  74         * fix invalid array size and directory creation mode for ustd
  75
  76 2010-06-30  ust 0.5
  77         * add support for PowerPC 32 architecture
  78         * use clock_gettime(CLOCK_MONOTINIC) instead of gettimeofday()
  79         * add several tests
  80         * output test suite results in TAP format
  81         * add support for traced library unregistration (useful with dlclose())
  82         * add manpages
  83         * compile with -fno-strict-antialiasing
  84         * add support for channel overwrite and non-collection
  85         * update tracepoint api from kernel
  86         * fix various bugs and do various cleanups
  87         * improve documentation
  88
  89 2010-03-17  ust 0.4
  90         * remove dependency on libkcompat
  91         * use atomic ops from liburcu
  92         * libmallocwrap: rename to libustinstr-malloc
  93         * libinterfork: rename to libustfork
  94         * add a testsuite
  95         * add ustctl --get-subbuf-size and --get-subbuf-num
  96         * updates for compilation with gcc-4.4
  97         * remove periodical wakeup in listener thread
  98         * change benign warnings to debug messages, not to confuse users
  99         * ustd: fix destruction to free all file descriptors and memory
 100         * libust: close all file descriptors on close
 101         * remove periodical wakeup in daemon
 102         * code cleanups
 103
 104 ust 0.3
 105         * fix several issues, stabilizing tracing of large applications
 106         * add --set-subbuf-size / --set-subbuf-num options to ustctl
 107         * add a signal safe implementation of snprintf
 108
 109 ust 0.2
 110         * conversion of the buffering system to per-cpu
 111         * update to the liburcu 0.4 API
 112         * upgrade to trace format 2.6; the latest lttv may now be used
 113         * add support for clone() interception in libinterfork
 114         * port refactorings from the kernel tracer up to 0.173
 115         * enhancements/refactor of libustcomm
 116         * add sections in the manual about trace viewing and about tracing apps not linked to libust
 117         * debugging output is now enabled by adding -DUST_DEBUG to the CFLAGS
 118         * usttrace: change ustd socket name to ustd-sock-PID
 119         * change app socket directory name for something more descriptive (/tmp/ust-app-socks)
 120         * code cleanups
 121         * various bug fixes