linux-kernel - [PATCH 12/15] perf report: Create a symbol_conf flag for showing branch flag counting

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Date:   Mon, 14 Nov 2016 22:38:44 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Jin Yao <yao.jin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>, Kan Liang <kan.liang@...el.com>,
        Linux-kernel@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 12/15] perf report: Create a symbol_conf flag for showing branch flag counting

From: Jin Yao <yao.jin@...ux.intel.com>

Create a new flag show_branchflag_count in symbol_conf. The flag is used
to control if showing the branch flag counting information. The flag
depends on if the perf.data has branch data and if user chooses the
"branch-history" option in perf report command line.

Signed-off-by: Yao Jin <yao.jin@...ux.intel.com>
Acked-by: Andi Kleen <ak@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Kan Liang <kan.liang@...el.com>
Cc: Linux-kernel@...r.kernel.org
Cc: Yao Jin <yao.jin@...ux.intel.com>
Link: http://lkml.kernel.org/r/1477876794-30749-3-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-report.c | 3 +++
 tools/perf/util/symbol.h    | 1 +
 2 files changed, 4 insertions(+)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 8064de8ceedc..3dfbfffe2ecd 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -911,6 +911,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 	if (itrace_synth_opts.last_branch)
 		has_br_stack = true;
 
+	if (has_br_stack && branch_call_mode)
+		symbol_conf.show_branchflag_count = true;
+
 	/*
 	 * Branch mode is a tristate:
 	 * -1 means default, so decide based on the file having branch data.
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index d964844eb314..2d0a905c879a 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -100,6 +100,7 @@ struct symbol_conf {
 			show_total_period,
 			use_callchain,
 			cumulate_callchain,
+			show_branchflag_count,
 			exclude_other,
 			show_cpu_utilization,
 			initialized,
-- 
2.7.4