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authorKan Liang <kan.liang@intel.com>2015-06-17 09:51:11 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-06-19 18:27:13 -0300
commit9d9cad763ca79dd3697e9f2d1df648e37496582b (patch)
treef59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/builtin-record.c
parent930e6fcd2bcce9bcd9d4aa7e755678d33f3fe6f4 (diff)
downloadlinux-9d9cad763ca79dd3697e9f2d1df648e37496582b.tar.gz
perf tools: Configurable per thread proc map processing time out
The time out to limit the individual proc map processing was hard code to 500ms. This patch introduce a new option --proc-map-timeout to make the time limit configurable. Signed-off-by: Kan Liang <kan.liang@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ying Huang <ying.huang@intel.com> Link: http://lkml.kernel.org/r/1434549071-25611-2-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 4d6cdeb94fe1..de165a1b9240 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -598,7 +598,8 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
}
err = __machine__synthesize_threads(machine, tool, &opts->target, rec->evlist->threads,
- process_synthesized_event, opts->sample_address);
+ process_synthesized_event, opts->sample_address,
+ opts->proc_map_timeout);
if (err != 0)
goto out_child;
@@ -959,6 +960,7 @@ static struct record record = {
.uses_mmap = true,
.default_per_cpu = true,
},
+ .proc_map_timeout = 500,
},
.tool = {
.sample = process_sample_event,
@@ -1066,6 +1068,8 @@ struct option __record_options[] = {
parse_clockid),
OPT_STRING_OPTARG('S', "snapshot", &record.opts.auxtrace_snapshot_opts,
"opts", "AUX area tracing Snapshot Mode", ""),
+ OPT_UINTEGER(0, "proc-map-timeout", &record.opts.proc_map_timeout,
+ "per thread proc mmap processing timeout in ms"),
OPT_END()
};