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

From: tip-bot for Jiri Olsa
Date: Thu Jan 03 2019 - 08:19:39 EST

Commit-ID: c4a75bb9488a9f7b3c7e79017609529d1aa5deab
Gitweb: https://git.kernel.org/tip/c4a75bb9488a9f7b3c7e79017609529d1aa5deab
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Fri, 28 Dec 2018 11:18:20 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20181228101820.28010-2-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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)