Commit-ID: 03cd1fed2b8730271d3a8dbabd87989abddc33c4 Gitweb: http://git.kernel.org/tip/03cd1fed2b8730271d3a8dbabd87989abddc33c4 Author: Adrian Hunter <adrian.hun...@intel.com> AuthorDate: Fri, 25 Sep 2015 16:15:49 +0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Mon, 28 Sep 2015 17:08:48 -0300
perf script: Add a setting for maximum stack depth Add a setting for maximum stack depth in preparation for allowing for synthesized callchains. Signed-off-by: Adrian Hunter <adrian.hun...@intel.com> Cc: Jiri Olsa <jo...@redhat.com> Link: http://lkml.kernel.org/r/1443186956-18718-19-git-send-email-adrian.hun...@intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-script.c | 6 ++++-- tools/perf/util/session.c | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 0928439..a65b498 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -33,6 +33,8 @@ static bool nanosecs; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); +static unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; + enum perf_output_field { PERF_OUTPUT_COMM = 1U << 0, PERF_OUTPUT_TID = 1U << 1, @@ -475,7 +477,7 @@ static void print_sample_bts(union perf_event *event, } } perf_evsel__print_ip(evsel, sample, al, print_opts, - PERF_MAX_STACK_DEPTH); + scripting_max_stack); } /* print branch_to information */ @@ -552,7 +554,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample, perf_evsel__print_ip(evsel, sample, al, output[attr->type].print_ip_opts, - PERF_MAX_STACK_DEPTH); + scripting_max_stack); } if (PRINT_FIELD(IREGS)) diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 15c84ca..84a02eae 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
