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| author | David S. Miller <davem@davemloft.net> | 2015-08-27 21:45:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-27 21:45:31 -0700 |
| commit | 0d36938bb82a7775c21ce0a7429f08ba13d025b6 (patch) | |
| tree | f502caf5555591ee237e14e5fa96b2c005a85036 /tools/perf/util/thread.c | |
| parent | 55f14da66954083b621debbdbf62c7fc429291e8 (diff) | |
| parent | 4941b8f0c2b9d88e8a6dacebf8b7faf603b98368 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'tools/perf/util/thread.c')
| -rw-r--r-- | tools/perf/util/thread.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 28c4b746baa1..0a9ae8014729 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -191,6 +191,12 @@ static int thread__clone_map_groups(struct thread *thread, if (thread->pid_ == parent->pid_) return 0; + if (thread->mg == parent->mg) { + pr_debug("broken map groups on thread %d/%d parent %d/%d\n", + thread->pid_, thread->tid, parent->pid_, parent->tid); + return 0; + } + /* But this one is new process, copy maps. */ for (i = 0; i < MAP__NR_TYPES; ++i) if (map_groups__clone(thread->mg, parent->mg, i) < 0) |