Commit a6ffebce authored by Thomas Gleixner's avatar Thomas Gleixner

hrtimer: Make the statistics fields smaller

No point in having usigned long for /proc/timer_list statistics. Make
them unsigned int.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter 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.deSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 056a3cac
...@@ -187,10 +187,10 @@ struct hrtimer_cpu_base { ...@@ -187,10 +187,10 @@ struct hrtimer_cpu_base {
int in_hrtirq; int in_hrtirq;
int hres_active; int hres_active;
int hang_detected; int hang_detected;
unsigned long nr_events; unsigned int nr_events;
unsigned long nr_retries; unsigned int nr_retries;
unsigned long nr_hangs; unsigned int nr_hangs;
ktime_t max_hang_time; unsigned int max_hang_time;
#endif #endif
struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES];
}; };
......
...@@ -1327,8 +1327,8 @@ void hrtimer_interrupt(struct clock_event_device *dev) ...@@ -1327,8 +1327,8 @@ void hrtimer_interrupt(struct clock_event_device *dev)
cpu_base->hang_detected = 1; cpu_base->hang_detected = 1;
raw_spin_unlock(&cpu_base->lock); raw_spin_unlock(&cpu_base->lock);
delta = ktime_sub(now, entry_time); delta = ktime_sub(now, entry_time);
if (delta.tv64 > cpu_base->max_hang_time.tv64) if ((unsigned int)delta.tv64 > cpu_base->max_hang_time)
cpu_base->max_hang_time = delta; cpu_base->max_hang_time = (unsigned int) delta.tv64;
/* /*
* Limit it to a sensible value as we enforce a longer * Limit it to a sensible value as we enforce a longer
* delay. Give the CPU at least 100ms to catch up. * delay. Give the CPU at least 100ms to catch up.
......
...@@ -165,7 +165,7 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now) ...@@ -165,7 +165,7 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now)
P(nr_events); P(nr_events);
P(nr_retries); P(nr_retries);
P(nr_hangs); P(nr_hangs);
P_ns(max_hang_time); P(max_hang_time);
#endif #endif
#undef P #undef P
#undef P_ns #undef P_ns
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment