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perf tools: Reference count map_groups objects

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We will share it among threads in the same process.
Adding map_groups__get/map_groups__put interface for that.

Signed-off-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1397490723-1992-4-git-send-email-jolsa@redhat.com
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Arnaldo Carvalho de Melo
2014-03-25 15:26:44 -03:00
committed by Jiri Olsa
parent 93d5731dcb
commit a26ca6716a
3 changed files with 17 additions and 1 deletions
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2
tools/perf/util/thread.c
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@@ -50,7 +50,7 @@ void thread__delete(struct thread *thread)
{
struct comm *comm, *tmp;
map_groups__delete(thread->mg);
map_groups__put(thread->mg);
thread->mg = NULL;
list_for_each_entry_safe(comm, tmp, &thread->comm_list, list) {
list_del(&comm->list);