linux-kernel - [PATCH 2/2] perf c2c: Increase the HITM ratio limit for displayed cachelines

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Message-Id: <20181228101820.28010-2-jolsa@kernel.org>
Date:   Fri, 28 Dec 2018 11:18:20 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Joe Mario <jmario@...hat.com>
Subject: [PATCH 2/2] perf c2c: Increase the HITM ratio limit for displayed cachelines

The cachelines being reported go down to 0.05%.  hat makes for very
long output files. Raising that to 0.1%.  The user can always specify
--show-all if they want all the cachelines.

Suggested-by: Joe Mario <jmario@...hat.com>
Link: http://lkml.kernel.org/n/tip-uwxpd36jutygit56mycanwma@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/builtin-c2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 321687f8f373..30584cb44fb7 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1878,7 +1878,7 @@ static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
 	return hpp_list__parse(&c2c_hists->list, output, sort);
 }
 
-#define DISPLAY_LINE_LIMIT  0.0005
+#define DISPLAY_LINE_LIMIT  0.001
 
 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
 {
-- 
2.17.2