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| author | Kan Liang <kan.liang@intel.com> | 2015-06-17 09:51:11 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-19 18:27:13 -0300 |
| commit | 9d9cad763ca79dd3697e9f2d1df648e37496582b (patch) | |
| tree | f59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/builtin-top.c | |
| parent | 930e6fcd2bcce9bcd9d4aa7e755678d33f3fe6f4 (diff) | |
| download | op-kernel-dev-9d9cad763ca79dd3697e9f2d1df648e37496582b.zip op-kernel-dev-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-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 70a9505..619a869 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -977,7 +977,7 @@ static int __cmd_top(struct perf_top *top) goto out_delete; machine__synthesize_threads(&top->session->machines.host, &opts->target, - top->evlist->threads, false); + top->evlist->threads, false, opts->proc_map_timeout); ret = perf_top__start_counters(top); if (ret) goto out_delete; @@ -1087,6 +1087,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) .target = { .uses_mmap = true, }, + .proc_map_timeout = 500, }, .max_stack = PERF_MAX_STACK_DEPTH, .sym_pcnt_filter = 5, @@ -1186,6 +1187,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, "width[,width...]", "don't try to adjust column width, use these fixed values"), + OPT_UINTEGER(0, "proc-map-timeout", &opts->proc_map_timeout, + "per thread proc mmap processing timeout in ms"), OPT_END() }; const char * const top_usage[] = { |
