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| author | Namhyung Kim <namhyung@kernel.org> | 2013-10-30 17:05:55 +0900 |
|---|---|---|
| committer | Jiri Olsa <jolsa@kernel.org> | 2014-06-01 14:35:04 +0200 |
| commit | 793aaaabb79803a0154fc6a98c472a29bb6d5cc9 (patch) | |
| tree | 7e0f3b9584830fb4fabb43dabde567af71dbd6d8 /tools/perf/builtin-report.c | |
| parent | 77284de326e6d8c3b8e866cda5b415c86b522e61 (diff) | |
| download | lwn-793aaaabb79803a0154fc6a98c472a29bb6d5cc9.tar.gz lwn-793aaaabb79803a0154fc6a98c472a29bb6d5cc9.zip | |
perf report: Add --children option
The --children option is for showing accumulated overhead (period)
value as well as self overhead.
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/1401335910-16832-16-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index e8fa9fea341f..f27a8aad6a3f 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -185,6 +185,14 @@ static int report__setup_sample_type(struct report *rep) } } + if (symbol_conf.cumulate_callchain) { + /* Silently ignore if callchain is missing */ + if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { + symbol_conf.cumulate_callchain = false; + perf_hpp__cancel_cumulate(); + } + } + if (sort__mode == SORT_MODE__BRANCH) { if (!is_pipe && !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { @@ -568,6 +576,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). " "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt), + OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, + "Accumulate callchains of children and show total overhead as well"), OPT_INTEGER(0, "max-stack", &report.max_stack, "Set the maximum stack depth when parsing the callchain, " "anything beyond the specified depth will be ignored. " @@ -660,8 +670,10 @@ repeat: has_br_stack = perf_header__has_feat(&session->header, HEADER_BRANCH_STACK); - if (branch_mode == -1 && has_br_stack) + if (branch_mode == -1 && has_br_stack) { sort__mode = SORT_MODE__BRANCH; + symbol_conf.cumulate_callchain = false; + } if (report.mem_mode) { if (sort__mode == SORT_MODE__BRANCH) { @@ -669,6 +681,7 @@ repeat: goto error; } sort__mode = SORT_MODE__MEMORY; + symbol_conf.cumulate_callchain = false; } if (setup_sorting() < 0) { |