perf tools: Use atomic_t to implement thread__{get,put} refcnt
authorArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 7 Apr 2015 14:59:50 +0000 (11:59 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 8 May 2015 19:16:23 +0000 (16:16 -0300)
commite1ed3a5b87ed6759e16ec93f16aae83d2cc77ca2
tree5eb80c8b87ad735bca3f9ce50751da06f8b63f1e
parentda6d8567512df11e0473b710c07de87efde5709c
perf tools: Use atomic_t to implement thread__{get,put} refcnt

Fixing bugs in 'perf top' where the used thread unsafe 'struct thread'
refcount implementation was falling apart because we really use two
threads.

Acked-by: David Ahern <dsahern@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-hil2hol294u5ntcuof4jhmn6@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/thread.c
tools/perf/util/thread.h