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perf top: Add --hierarchy option 

Support hierarchy output for perf-top using --hierarchy option.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1456326830-30456-19-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Namhyung Kim 2016-02-25 00:13:50 +09:00 committed by Arnaldo Carvalho de Melo
parent 5d8200ae67
commit c92fcfde34
2 changed files with 18 additions and 0 deletions
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3
tools/perf/Documentation/perf-top.txt
View File

@ -233,6 +233,9 @@ Default is to monitor all CPUS.
--raw-trace::
When displaying traceevent output, do not use print fmt or plugins.
--hierarchy::
Enable hierarchy output.
INTERACTIVE PROMPTING KEYS
--------------------------

15
tools/perf/builtin-top.c
View File

@ -1214,6 +1214,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
parse_branch_stack),
OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
"Show raw trace event output (do not use print fmt or plugins)"),
OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
"Show entries in a hierarchy"),
OPT_END()
};
const char * const top_usage[] = {
@ -1241,6 +1243,19 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
goto out_delete_evlist;
}
if (symbol_conf.report_hierarchy) {
/* disable incompatible options */
symbol_conf.event_group = false;
symbol_conf.cumulate_callchain = false;
if (field_order) {
pr_err("Error: --hierarchy and --fields options cannot be used together\n");
parse_options_usage(top_usage, options, "fields", 0);
parse_options_usage(NULL, options, "hierarchy", 0);
goto out_delete_evlist;
}
}
sort__mode = SORT_MODE__TOP;
/* display thread wants entries to be collapsed in a different tree */
sort__need_collapse = 1;