From: Namhyung Kim <namhyung....@lge.com>
When --cumulate option is given, it will print accumulated hist stat
information. It requires callchain information.
Cc: Arun Sharma <asha...@fb.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/builtin-report.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 97b2e6300f4c..92da05c2151f 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -282,6 +282,12 @@ static int perf_report__setup_sample_type(struct
perf_report *rep)
}
}
+ if (!symbol_conf.use_callchain && symbol_conf.cumulate_callchain) {
+ ui__error("Selected --cumulate but no callchain data. "
+ "Did you call 'perf record' without -g?\n");
+ return -1;
+ }
+
return 0;
}
@@ -641,6 +647,8 @@ int cmd_report(int argc, const char **argv, const char
*prefix __maybe_unused)
"use branch records for histogram filling",
parse_branch_mode),
OPT_STRING(0, "objdump", &objdump_path, "path",
"objdump binary to use for disassembly and annotations"),
+ OPT_BOOLEAN(0, "cumulate", &symbol_conf.cumulate_callchain,
+ "Accumulate period along the callchain"),
OPT_END()
};
--
1.7.11.4
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