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

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Message-ID: <tip-c4a75bb9488a9f7b3c7e79017609529d1aa5deab@git.kernel.org>
Date:   Thu, 3 Jan 2019 05:19:28 -0800
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     peterz@...radead.org, jolsa@...nel.org, tglx@...utronix.de,
        acme@...hat.com, alexander.shishkin@...ux.intel.com,
        mingo@...nel.org, jmario@...hat.com, hpa@...or.com,
        namhyung@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip:perf/urgent] perf c2c: Increase the HITM ratio limit for
 displayed cachelines

Commit-ID:  c4a75bb9488a9f7b3c7e79017609529d1aa5deab
Gitweb:     https://git.kernel.org/tip/c4a75bb9488a9f7b3c7e79017609529d1aa5deab
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Fri, 28 Dec 2018 11:18:20 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 28 Dec 2018 16:33:07 -0300

perf c2c: Increase the HITM ratio limit for displayed cachelines

The cachelines being reported are the ones with percentages all the way
down to 0.05%.  That makes for very long output files. Raising that to
0.1%.  The user can always specify --show-all if they want all the
cachelines with hits.

Suggested-by: Joe Mario <jmario@...hat.com>
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20181228101820.28010-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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 964f3f5ef420..d340d2e42776 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)
 {