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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-06-02 14:13:15 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-02 16:16:25 +0200
commit709e50cf870e61745b39552044aa6c7c38e4f9e0 (patch)
treeb02ec75a1d67a904effedd39208ecbbcf46b9345 /include/linux/perf_counter.h
parentbf4e0ed3d027ce581be18496036862131b5f32aa (diff)
downloadop-kernel-dev-709e50cf870e61745b39552044aa6c7c38e4f9e0.zip
op-kernel-dev-709e50cf870e61745b39552044aa6c7c38e4f9e0.tar.gz
perf_counter: Use PID namespaces properly
Stop using task_struct::pid and start using PID namespaces. PIDs will be reported in the PID namespace of the monitoring task at the moment of counter creation. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Kacur <jkacur@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_counter.h')
-rw-r--r--include/linux/perf_counter.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index d970fbc..9ec20fc6 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -317,6 +317,7 @@ enum perf_event_type {
#include <linux/spinlock.h>
#include <linux/hrtimer.h>
#include <linux/fs.h>
+#include <linux/pid_namespace.h>
#include <asm/atomic.h>
struct task_struct;
@@ -500,6 +501,8 @@ struct perf_counter {
void (*destroy)(struct perf_counter *);
struct rcu_head rcu_head;
+
+ struct pid_namespace *ns;
#endif
};
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