Messages in this thread | | | Date | Tue, 19 Sep 2006 11:41:59 -0500 | From | Dimitri Sivanich <> | Subject | Re: [PATCH] Migration of Standard Timers |
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On Tue, Sep 19, 2006 at 12:33:37PM -0400, Lee Revell wrote: > Which driver or subsystem is doing 100s of usecs of work in a timer?
The longest one I've captured so far results from:
rsp rip Function (args) ======================= <nmi> 0xffff810257822fd8 0xffffffff803a0e94 rt_check_expire+0x8c ======================= <interrupt> 0xffff81025781fee8 0xffffffff803a0e08 rt_check_expire 0xffff81025781ff08 0xffffffff802386b3 run_timer_softirq+0x133 0xffff81025781ff38 0xffffffff80235262 __do_softirq+0x5e 0xffff81025781ff68 0xffffffff8020a958 call_softirq+0x1c 0xffff81025781ff80 0xffffffff8020bea7 do_softirq+0x2c 0xffff81025781ff90 0xffffffff80235142 irq_exit+0x48
> Shouldn't another mechanism like a workqueue be used instead?
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