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Red Hat Bugzilla – Attachment 313278 Details for
Bug 438205
high cputime values for softirq-timer
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patch to move calc_load and update_wall_time out of softirq-timer context
johntest (text/plain), 847 bytes, created by
IBM Bug Proxy
on 2008-08-03 04:35:02 UTC
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Description:
patch to move calc_load and update_wall_time out of softirq-timer context
Filename:
MIME Type:
Creator:
IBM Bug Proxy
Created:
2008-08-03 04:35:02 UTC
Size:
847 bytes
patch
obsolete
>Index: linux-2.6.24.1-ibmrt2.0-view/kernel/timer.c >=================================================================== >--- linux-2.6.24.1-ibmrt2.0-view.orig/kernel/timer.c >+++ linux-2.6.24.1-ibmrt2.0-view/kernel/timer.c >@@ -1080,10 +1080,8 @@ static inline void update_times(void) > static void run_timer_softirq(struct softirq_action *h) > { > tvec_base_t *base = per_cpu(tvec_bases, raw_smp_processor_id()); >- >- update_times(); >+// update_times(); > hrtimer_run_queues(); >- > if (time_after_eq(jiffies, base->timer_jiffies)) > __run_timers(base); > } >@@ -1097,7 +1095,11 @@ static void run_timer_softirq(struct sof > void do_timer(unsigned long ticks) > { > jiffies_64 += ticks; >- timekeeping_accumulate(); >+// timekeeping_accumulate(); >+ update_wall_time(); >+#ifndef CONFIG_PREEMPT_RT >+ calc_load(ticks); >+#endif > } > > #ifdef __ARCH_WANT_SYS_ALARM
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