perf/core improvements and fixes:
New features:
- Handle inline functions in callchains (Jin Yao)
- Enable sorting by srcline as key (Milian Wolff)
Fixes:
- Fix no_size logic in addr_filter__resolve_kernel_syms() in the
auxtrace code (Adrian Hunter)
- Fix some thread refcount leaks in 'perf trace' (Arnaldo Carvalho de Melo)
- Fix divide by zero when calculating percent for an event in a group in
the annotate by source line code (Taeung Song)
- build-id files now aren't anymore symlinks, their parent directories
are, so readlink the later (Taeung Song)
- Assorted fixes for null termination problems, mostly related to
readlink, detected by valgrind (Tommi Rantala)
Infrastructure:
- Make vfs_getname probe point logic in 'perf trace' more robust
wrt length of pathname (Arnaldo Carvalho de Melo)
- Remove unused 'prefix' parameter from builtins main functions (Arnaldo Carvalho de Melo)
- Show 'perf list sdt' option in man page (Ravi Bangoria)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf utils: Readlink /proc/self/exe to find the perf binary
Simplification: it is easier to open /proc/self/exe than /proc/$pid/exe.
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170322130624.21881-7-tommi.t.rantala@nokia.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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