Now that comm strings are allocated only once and refcounted to be shared among threads, these can now be safely compared by addresses. This should remove most hists collapses on post processing.
Signed-off-by: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: David Ahern <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Stephane Eranian <[email protected]> --- tools/perf/util/sort.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 26d8f11..3b307e7 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -79,7 +79,8 @@ struct sort_entry sort_thread = { static int64_t sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) { - return right->thread->tid - left->thread->tid; + /* Compare the addr that should be unique among comm */ + return thread__comm_curr(right->thread) - thread__comm_curr(left->thread); } static int64_t -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

