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Commit a6ffebce authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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.de


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 056a3cac
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+4 −4
Original line number Diff line number Diff line
@@ -187,10 +187,10 @@ struct hrtimer_cpu_base {
	int				in_hrtirq;
	int				hres_active;
	int				hang_detected;
	unsigned long			nr_events;
	unsigned long			nr_retries;
	unsigned long			nr_hangs;
	ktime_t				max_hang_time;
	unsigned int			nr_events;
	unsigned int			nr_retries;
	unsigned int			nr_hangs;
	unsigned int			max_hang_time;
#endif
	struct hrtimer_clock_base	clock_base[HRTIMER_MAX_CLOCK_BASES];
};
+2 −2
Original line number Diff line number Diff line
@@ -1327,8 +1327,8 @@ void hrtimer_interrupt(struct clock_event_device *dev)
	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.
+1 −1
Original line number Diff line number Diff line
@@ -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