[tip:perf/core] perf report/tui: Fix a bug when --fields/ sort is given

From: tip-bot for Namhyung Kim
Date: Thu May 22 2014 - 08:23:08 EST


Commit-ID: c0f1527b7e004f9a91e488f05c251213d16ad7ac
Gitweb: http://git.kernel.org/tip/c0f1527b7e004f9a91e488f05c251213d16ad7ac
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Wed, 16 Apr 2014 11:16:33 +0900
Committer: Jiri Olsa <jolsa@xxxxxxxxxx>
CommitDate: Wed, 21 May 2014 11:45:36 +0200

perf report/tui: Fix a bug when --fields/sort is given

The hists__filter_entries() function is called when down arrow key is
pressed for navigating through the entries in TUI. It has a check for
filtering out entries that have very small overhead (under min_pcnt).

However it just assumed the entries are sorted by the overhead so when
it saw such a small overheaded entry, it just stopped navigating as an
optimization. But it's not true anymore due to new --fields and
--sort optoin behavior and this case users cannot go down to a next
entry if ther's an entry with small overhead in-between.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1400480762-22852-14-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/ui/browsers/hists.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 92d128f..169224c 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -812,10 +812,7 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd,
if (total)
percent = h->stat.period * 100.0 / total;

- if (percent < min_pcnt)
- return NULL;
-
- if (!h->filtered)
+ if (!h->filtered && percent >= min_pcnt)
return nd;

nd = rb_next(nd);
--
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