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authorJiri Olsa <jolsa@redhat.com>2012-10-04 21:49:36 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-10-04 13:27:56 -0300
commitdd464345f330c1103f93daad309e8b44845e96cf (patch)
treed5db0a50563ccc8553d5c0a0be107b32a041cf9f /tools/perf/ui/hist.c
parentae359f193a80e19166efaed7d400d1476057b865 (diff)
downloadlinux-dd464345f330c1103f93daad309e8b44845e96cf.tar.gz
perf diff: Refactor diff displacement possition info
Moving the position calculation into the diff command, so the position as prepared inside struct hist_entry data and there's no need to compute in the output display path. Removing 'displacement' from struct perf_hpp as it is no longer needed. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1349354994-17853-3-git-send-email-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/ui/hist.c')
-rw-r--r--tools/perf/ui/hist.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index e3f8cd46e7d7..55b9ca8f084c 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -244,13 +244,15 @@ static int hpp__width_displ(struct perf_hpp *hpp __maybe_unused)
}
static int hpp__entry_displ(struct perf_hpp *hpp,
- struct hist_entry *he __maybe_unused)
+ struct hist_entry *he)
{
+ struct hist_entry *pair = he->pair;
+ long displacement = pair ? pair->position - he->position : 0;
const char *fmt = symbol_conf.field_sep ? "%s" : "%6.6s";
char buf[32] = " ";
- if (hpp->displacement)
- scnprintf(buf, sizeof(buf), "%+4ld", hpp->displacement);
+ if (displacement)
+ scnprintf(buf, sizeof(buf), "%+4ld", displacement);
return scnprintf(hpp->buf, hpp->size, fmt, buf);
}