linux-kernel - [PATCH 04/61] perf tools: Use bigger buffer for stdio headers

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Message-Id: <1474290610-23241-5-git-send-email-jolsa@kernel.org>
Date:   Mon, 19 Sep 2016 15:09:13 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Don Zickus <dzickus@...hat.com>, Joe Mario <jmario@...hat.com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Andi Kleen <andi@...stfloor.org>
Subject: [PATCH 04/61] perf tools: Use bigger buffer for stdio headers

With node column on big CPUs servers we can run out
of stdio header space quite soon. Enlarging header
buffer.

Link: http://lkml.kernel.org/n/tip-p55193hynw8mmok6i2o1wx6c@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/ui/stdio/hist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index cb0371106c21..0a32b48eda80 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -699,7 +699,7 @@ hists__fprintf_standard_headers(struct hists *hists,
 
 static int hists__fprintf_headers(struct hists *hists, FILE *fp)
 {
-	char bf[96];
+	char bf[1024];
 	struct perf_hpp dummy_hpp = {
 		.buf	= bf,
 		.size	= sizeof(bf),
-- 
2.7.4