linux-kernel - [tip:perf/core] perf hists: Use struct perf_hpp_fmt:: idx in perf_hpp__reset

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Message-ID: <tip-2e8b79e706f504801fbce19fa9f16f3c858a105e@git.kernel.org>
Date:	Thu, 4 Feb 2016 04:34:34 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	a.p.zijlstra@...llo.nl, linux-kernel@...r.kernel.org,
	acme@...hat.com, hpa@...or.com, namhyung@...nel.org,
	dsahern@...il.com, mingo@...nel.org, tglx@...utronix.de,
	jolsa@...nel.org
Subject: [tip:perf/core] perf hists: Use struct perf_hpp_fmt::
 idx in perf_hpp__reset_width

Commit-ID:  2e8b79e706f504801fbce19fa9f16f3c858a105e
Gitweb:     http://git.kernel.org/tip/2e8b79e706f504801fbce19fa9f16f3c858a105e
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Mon, 18 Jan 2016 10:24:02 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 3 Feb 2016 11:13:12 -0300

perf hists: Use struct perf_hpp_fmt::idx in perf_hpp__reset_width

We are going to add dynamic hpp format fields, so we need to make the
'len' change for the format itself, not in the perf_hpp__format
template.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1453109064-1026-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/hist.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index d392801..5a11bf0 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -629,20 +629,12 @@ unsigned int hists__sort_list_width(struct hists *hists)
 
 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 {
-	int idx;
-
 	if (perf_hpp__is_sort_entry(fmt))
 		return perf_hpp__reset_sort_width(fmt, hists);
 
-	for (idx = 0; idx < PERF_HPP__MAX_INDEX; idx++) {
-		if (fmt == &perf_hpp__format[idx])
-			break;
-	}
-
-	if (idx == PERF_HPP__MAX_INDEX)
-		return;
+	BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
 
-	switch (idx) {
+	switch (fmt->idx) {
 	case PERF_HPP__OVERHEAD:
 	case PERF_HPP__OVERHEAD_SYS:
 	case PERF_HPP__OVERHEAD_US: