rt: add rt stats to /proc/stat

add RT stats to /proc/stat

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

 fs/proc/stat.c              |   23 +++++++++++++++++------
 include/linux/kernel_stat.h |    2 ++
 kernel/sched.c              |    6 +++++-
 3 files changed, 24 insertions(+), 7 deletions(-)

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 348fa8874b52..91958d33eb90 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -24,6 +24,8 @@ struct cpu_usage_stat {
         cputime64_t idle;
         cputime64_t iowait;
         cputime64_t steal;
+        cputime64_t user_rt;
+        cputime64_t system_rt;
         cputime64_t guest;
 };