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perf script: Add a setting for maximum stack depth

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Add a setting for maximum stack depth in preparation for allowing for
synthesized callchains.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1443186956-18718-19-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 16:15:49 +03:00 • committed by Arnaldo Carvalho de Melo
parent 96b40f3c05
commit 03cd1fed2b
2 changed files with 5 additions and 3 deletions
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2
tools/perf/util/session.c
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@ -1800,7 +1800,7 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
if (thread__resolve_callchain(al->thread, evsel,
sample, NULL, NULL,
PERF_MAX_STACK_DEPTH) != 0) {
stack_depth) != 0) {
if (verbose)
error("Failed to resolve callchain. Skipping\n");
return;