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Date: Thu, 6 Aug 2015 00:00:41 -0700 From: tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: adrian.hunter@...el.com, eranian@...gle.com, tglx@...utronix.de, fweisbec@...il.com, dsahern@...il.com, acme@...hat.com, linux-kernel@...r.kernel.org, bp@...e.de, namhyung@...nel.org, jolsa@...nel.org, mingo@...nel.org, hpa@...or.com Subject: [tip:perf/core] perf script: No tracepoints? Don' t call libtraceevent. Commit-ID: 9ee67421fe3b67a0796d6ea620fd5fcb037d3f89 Gitweb: http://git.kernel.org/tip/9ee67421fe3b67a0796d6ea620fd5fcb037d3f89 Author: Arnaldo Carvalho de Melo <acme@...hat.com> AuthorDate: Mon, 3 Aug 2015 16:27:40 -0300 Committer: Arnaldo Carvalho de Melo <acme@...hat.com> CommitDate: Tue, 4 Aug 2015 12:28:10 -0300 perf script: No tracepoints? Don't call libtraceevent. The libtraceevent handler (session->tevent) is only initialized when there are tracepoints in a perf.data event list, so do not call pevent_set_function_resolve() in those cases, fixing a segfault. Reported-by: Jiri Olsa <jolsa@...nel.org> Tested-by: Jiri Olsa <jolsa@...nel.org> Cc: Adrian Hunter <adrian.hunter@...el.com> Cc: Borislav Petkov <bp@...e.de> Cc: David Ahern <dsahern@...il.com> Cc: Frederic Weisbecker <fweisbec@...il.com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Stephane Eranian <eranian@...gle.com> Link: http://lkml.kernel.org/n/tip-xyynkucl5p4bcs13zi4i4b1f@git.kernel.org Report-link: http://lkml.kernel.org/r/20150803174113.GA20282@krava.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- tools/perf/builtin-script.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index bd31380..7912feb 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1861,7 +1861,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) else symbol_conf.use_callchain = false; - if (pevent_set_function_resolver(session->tevent.pevent, + if (session->tevent.pevent && + pevent_set_function_resolver(session->tevent.pevent, machine__resolve_kernel_addr, &session->machines.host) < 0) { pr_err("%s: failed to set libtraceevent function resolver\n", __func__); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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