linux-kernel - [tip:perf/core] perf hists: Use bigger buffer for stdio headers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 22 Sep 2016 22:25:28 -0700
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     dzickus@...hat.com, tglx@...utronix.de, mingo@...nel.org,
        dsahern@...il.com, a.p.zijlstra@...llo.nl, namhyung@...nel.org,
        jolsa@...nel.org, jmario@...hat.com, andi@...stfloor.org,
        acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com
Subject: [tip:perf/core] perf hists: Use bigger buffer for stdio headers

Commit-ID:  d5278220be663753a011910c194d50758cd8dc98
Gitweb:     http://git.kernel.org/tip/d5278220be663753a011910c194d50758cd8dc98
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Mon, 19 Sep 2016 15:09:13 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 21 Sep 2016 12:14:59 -0300

perf hists: 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.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Joe Mario <jmario@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1474290610-23241-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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 8e1840b..c8dca34 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -698,7 +698,7 @@ 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),