[tip:perf/urgent] perf tools: Fix getrusage() related build failure on glibc trunk

[tip-bot for Markus Trippelsdorf]

Commit-ID:  7b78f13603c6fcb64e020a0bbe31a651ea2b657b
Gitweb:     http://git.kernel.org/tip/7b78f13603c6fcb64e020a0bbe31a651ea2b657b
Author:     Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>
AuthorDate: Wed, 4 Apr 2012 10:45:27 +0200
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 4 Apr 2012 11:59:00 +0200

perf tools: Fix getrusage() related build failure on glibc trunk

On a system running glibc trunk perf doesn't build:

    CC builtin-sched.o
builtin-sched.c: In function âget_cpu_usage_nsec_parentâ: builtin-sched.c:399:16: error: storage size of âruâ isnât known builtin-sched.c:403:2: error: implicit declaration of function âgetrusageâ [-Werror=implicit-function-declaration]
    [...]

Fix it by including sys/resource.h.

Signed-off-by: Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: 20120404084527.GA294@x4">http://lkml.kernel.org/r/20120404084527.GA294@x4
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 tools/perf/builtin-sched.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index fb8b5f8..1cad3af 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -17,6 +17,7 @@
 #include "util/debug.h"
 
 #include <sys/prctl.h>
+#include <sys/resource.h>
 
 #include <semaphore.h>
 #include <pthread.h>
--
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