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perf callchain: Allow for max_stack greater than PERF_MAX_STACK_DEPTH

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Adjust the validation to allow for max_stack greater than
PERF_MAX_STACK_DEPTH.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1443186956-18718-18-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2015-09-25 16:15:48 +03:00 committed by Arnaldo Carvalho de Melo
parent 208e760745
commit 0edd453368
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/machine.c
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@ -1831,7 +1831,7 @@ static int thread__resolve_callchain_sample(struct thread *thread,
} }
check_calls: check_calls:
if (chain->nr > PERF_MAX_STACK_DEPTH) { if (chain->nr > PERF_MAX_STACK_DEPTH && (int)chain->nr > max_stack) {
pr_warning("corrupted callchain. skipping...\n"); pr_warning("corrupted callchain. skipping...\n");
return 0; return 0;
} }