commit 7b78f13603c6fcb64e020a0bbe31a651ea2b657b
Author: Markus Trippelsdorf <markus@trippelsdorf.de>
Date:   Wed Apr 4 10:45:27 2012 +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 ‘get_cpu_usage_nsec_parent’: builtin-sched.c:399:16: error: storage size of ‘ru’ isn’t known builtin-sched.c:403:2: error: implicit declaration of function ‘getrusage’ [-Werror=implicit-function-declaration]
        [...]
    
    Fix it by including sys/resource.h.
    
    Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Link: http://lkml.kernel.org/r/20120404084527.GA294@x4
    Signed-off-by: Ingo Molnar <mingo@kernel.org>

Upstream-Status: Backport [3.4]

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>