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authorThomas Gleixner <tglx@linutronix.de>2015-04-14 21:08:34 +0000
committerThomas Gleixner <tglx@linutronix.de>2015-04-22 17:06:49 +0200
commita6ffebce7f89f6f97cc22838a5d4383b15d6774f (patch)
treef739fa1d1501f25b883c21042ebe73aeba80a628 /kernel/time
parent056a3cacbc46e5aca27b350ce4ecb3b33ebb0700 (diff)
hrtimer: Make the statistics fields smaller
No point in having usigned long for /proc/timer_list statistics. Make them unsigned int. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203500.959773467@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/hrtimer.c4
-rw-r--r--kernel/time/timer_list.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 73131dab787e..874e0914eb3c 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1327,8 +1327,8 @@ retry:
cpu_base->hang_detected = 1;
raw_spin_unlock(&cpu_base->lock);
delta = ktime_sub(now, entry_time);
- if (delta.tv64 > cpu_base->max_hang_time.tv64)
- cpu_base->max_hang_time = delta;
+ if ((unsigned int)delta.tv64 > cpu_base->max_hang_time)
+ cpu_base->max_hang_time = (unsigned int) delta.tv64;
/*
* Limit it to a sensible value as we enforce a longer
* delay. Give the CPU at least 100ms to catch up.
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index bdd5e987f115..6232fc536185 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -165,7 +165,7 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now)
P(nr_events);
P(nr_retries);
P(nr_hangs);
- P_ns(max_hang_time);
+ P(max_hang_time);
#endif
#undef P
#undef P_ns