linux-kernel - [tip:perf/core] perf report: Get rid of hist_entry__callchain

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Message-ID: <tip-7e597d327eca3d92a759542ff707cba61af3a718@git.kernel.org>
Date:	Wed, 3 Feb 2016 02:22:21 -0800
From:	tip-bot for Namhyung Kim <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	fweisbec@...il.com, dsahern@...il.com, andi@...stfloor.org,
	namhyung@...nel.org, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, hpa@...or.com, acme@...hat.com,
	jolsa@...nel.org, peterz@...radead.org, wangnan0@...wei.com,
	mingo@...nel.org
Subject: [tip:perf/core] perf report:
  Get rid of hist_entry__callchain_fprintf()

Commit-ID:  7e597d327eca3d92a759542ff707cba61af3a718
Gitweb:     http://git.kernel.org/tip/7e597d327eca3d92a759542ff707cba61af3a718
Author:     Namhyung Kim <namhyung@...nel.org>
AuthorDate: Thu, 28 Jan 2016 00:40:51 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 1 Feb 2016 17:20:31 -0300

perf report: Get rid of hist_entry__callchain_fprintf()

It's just a wrapper function to align the start position ofcallchains to
'comm' of each thread if it's a first sort key.  But it doesn't not work
with tracepoint events and also with upcoming hierarchy view.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/1453909257-26015-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/stdio/hist.c | 27 ++-------------------------
 1 file changed, 2 insertions(+), 25 deletions(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 387110d..8e25f7d 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -349,30 +349,6 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
 	return 0;
 }
 
-static size_t hist_entry__callchain_fprintf(struct hist_entry *he,
-					    struct hists *hists,
-					    FILE *fp)
-{
-	int left_margin = 0;
-	u64 total_period = hists->stats.total_period;
-
-	if (field_order == NULL && (sort_order == NULL ||
-				    !prefixcmp(sort_order, "comm"))) {
-		struct perf_hpp_fmt *fmt;
-
-		perf_hpp__for_each_format(fmt) {
-			if (!perf_hpp__is_sort_entry(fmt))
-				continue;
-
-			/* must be 'comm' sort entry */
-			left_margin = fmt->width(fmt, NULL, hists_to_evsel(hists));
-			left_margin -= thread__comm_len(he->thread);
-			break;
-		}
-	}
-	return hist_entry_callchain__fprintf(he, total_period, left_margin, fp);
-}
-
 static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
 {
 	const char *sep = symbol_conf.field_sep;
@@ -418,6 +394,7 @@ static int hist_entry__fprintf(struct hist_entry *he, size_t size,
 		.buf		= bf,
 		.size		= size,
 	};
+	u64 total_period = hists->stats.total_period;
 
 	if (size == 0 || size > bfsz)
 		size = hpp.size = bfsz;
@@ -427,7 +404,7 @@ static int hist_entry__fprintf(struct hist_entry *he, size_t size,
 	ret = fprintf(fp, "%s\n", bf);
 
 	if (symbol_conf.use_callchain)
-		ret += hist_entry__callchain_fprintf(he, hists, fp);
+		ret += hist_entry_callchain__fprintf(he, total_period, 0, fp);
 
 	return ret;
 }