summaryrefslogtreecommitdiff
path: root/tools/perf/builtin-trace.c
diff options
context:
space:
mode:
authorKan Liang <kan.liang@intel.com>2015-06-17 16:51:11 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-06-20 00:27:13 +0300
commit9d9cad763ca79dd3697e9f2d1df648e37496582b (patch)
treef59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/builtin-trace.c
parent930e6fcd2bcce9bcd9d4aa7e755678d33f3fe6f4 (diff)
downloadlinux-9d9cad763ca79dd3697e9f2d1df648e37496582b.tar.xz
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-trace.c')
-rw-r--r--tools/perf/builtin-trace.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 4bf805b2fbf6..de5d277d1ad7 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1518,7 +1518,8 @@ static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
return -ENOMEM;
err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
- evlist->threads, trace__tool_process, false);
+ evlist->threads, trace__tool_process, false,
+ trace->opts.proc_map_timeout);
if (err)
symbol__exit();
@@ -2747,6 +2748,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
.user_interval = ULLONG_MAX,
.no_buffering = true,
.mmap_pages = UINT_MAX,
+ .proc_map_timeout = 500,
},
.output = stdout,
.show_comm = true,
@@ -2796,6 +2798,8 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
"Trace pagefaults", parse_pagefaults, "maj"),
OPT_BOOLEAN(0, "syscalls", &trace.trace_syscalls, "Trace syscalls"),
OPT_BOOLEAN('f', "force", &trace.force, "don't complain, do it"),
+ OPT_UINTEGER(0, "proc-map-timeout", &trace.opts.proc_map_timeout,
+ "per thread proc mmap processing timeout in ms"),
OPT_END()
};
const char * const trace_subcommands[] = { "record", NULL };