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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@kernel.org>
AuthorDate: Mon, 19 Sep 2016 15:09:13 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.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@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474290610-23241-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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),
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