Commit-ID: a6ffebce7f89f6f97cc22838a5d4383b15d6774f Gitweb: http://git.kernel.org/tip/a6ffebce7f89f6f97cc22838a5d4383b15d6774f Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Tue, 14 Apr 2015 21:08:34 +0000 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 22 Apr 2015 17:06:49 +0200
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 <t...@linutronix.de> Acked-by: Peter Zijlstra <pet...@infradead.org> Cc: Preeti U Murthy <pre...@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.ku...@linaro.org> Cc: Marcelo Tosatti <mtosa...@redhat.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Link: http://lkml.kernel.org/r/20150414203500.959773...@linutronix.de Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- include/linux/hrtimer.h | 8 ++++---- kernel/time/hrtimer.c | 4 ++-- kernel/time/timer_list.c | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 8025156..d39f284 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -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]; }; diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 73131da..874e091 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 bdd5e98..6232fc5 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
