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authorNamhyung Kim <namhyung@kernel.org>2013-10-30 09:05:55 +0100
committerJiri Olsa <jolsa@kernel.org>2014-06-01 14:35:07 +0200
commit1432ec342ece6a7ef78825ae3a9ba1c91686f71d (patch)
tree41a82bdc9e732dc6a5e6072cb8e6417dfba467b8 /tools/perf/builtin-top.c
parentperf top: Convert to hist_entry_iter (diff)
downloadlinux-1432ec342ece6a7ef78825ae3a9ba1c91686f71d.tar.xz
linux-1432ec342ece6a7ef78825ae3a9ba1c91686f71d.zip
perf top: Add --children option
The --children option is for showing accumulated overhead (period) value as well as self overhead. It should be used with one of -g or --call-graph option. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Arun Sharma <asharma@fb.com> Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/1401335910-16832-21-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r--tools/perf/builtin-top.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index b1cb5f589ade..fea55e3fc931 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1098,6 +1098,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
OPT_CALLBACK(0, "call-graph", &top.record_opts,
"mode[,dump_size]", record_callchain_help,
&parse_callchain_opt),
+ OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
+ "Accumulate callchains of children and show total overhead as well"),
OPT_INTEGER(0, "max-stack", &top.max_stack,
"Set the maximum stack depth when parsing the callchain. "
"Default: " __stringify(PERF_MAX_STACK_DEPTH)),
@@ -1203,6 +1205,11 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
top.sym_evsel = perf_evlist__first(top.evlist);
+ if (!symbol_conf.use_callchain) {
+ symbol_conf.cumulate_callchain = false;
+ perf_hpp__cancel_cumulate();
+ }
+
symbol_conf.priv_size = sizeof(struct annotation);
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);