diff options
| author | Kan Liang | 2015-06-17 15:51:11 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2015-06-19 23:27:13 +0200 |
| commit | 9d9cad763ca79dd3697e9f2d1df648e37496582b (patch) | |
| tree | f59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/builtin-trace.c | |
| parent | perf tools: Add time out to force stop proc map processing (diff) | |
| download | kernel-qcow2-linux-9d9cad763ca79dd3697e9f2d1df648e37496582b.tar.gz kernel-qcow2-linux-9d9cad763ca79dd3697e9f2d1df648e37496582b.tar.xz kernel-qcow2-linux-9d9cad763ca79dd3697e9f2d1df648e37496582b.zip | |
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.c | 6 |
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 }; |