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authorJiri Olsa <jolsa@redhat.com>2012-10-05 18:44:47 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-10-05 21:15:19 +0400
commit6e92349d5a814a3f633a43d9d6bd3b199ef3ad72 (patch)
tree382e1d5484253229c13e4b5dae44fc50888ff07f
parentd88c48f9b5bfcbd2e296b2d240e8cb0aec99f042 (diff)
downloadlinux-6e92349d5a814a3f633a43d9d6bd3b199ef3ad72.tar.xz
perf diff: Display empty space for non paired samples
Currently in 'Baseline' and 'Period Base' columns zero values are displayed in case no pair is found for the sample. This might be confusing, using empty space instead. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1349448287-18919-9-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/ui/hist.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 305eb79f4af4..4f5f4756faac 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -179,7 +179,10 @@ static int hpp__color_baseline(struct perf_hpp *hpp, struct hist_entry *he)
{
double percent = baseline_percent(he);
- return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
+ if (he->pair)
+ return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
+ else
+ return scnprintf(hpp->buf, hpp->size, " ");
}
static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he)
@@ -187,7 +190,10 @@ static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he)
double percent = baseline_percent(he);
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";
- return scnprintf(hpp->buf, hpp->size, fmt, percent);
+ if (he->pair || symbol_conf.field_sep)
+ return scnprintf(hpp->buf, hpp->size, fmt, percent);
+ else
+ return scnprintf(hpp->buf, hpp->size, " ");
}
static int hpp__header_samples(struct perf_hpp *hpp)