Messages in this thread | | | Subject | Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-R1 | From | Thomas Charbonnel <> | Date | Fri, 03 Sep 2004 13:33:38 +0200 |
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Ingo Molnar wrote : > Florian Schmidt reported a minor bug that prevents a successful build if > !CONFIG_LATENCY_TRACE - i've uploaded -R1 that fixes this: > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc1-bk4-R1 >
I still get > 170 us latency from rtl8139 : http://www.undata.org/~thomas/R1_rtl8139.trace
And again this one : preemption latency trace v1.0.5 on 2.6.9-rc1-VP-R1 -------------------------------------------------- latency: 597 us, entries: 12 (12) ----------------- | task: swapper/0, uid:0 nice:0 policy:0 rt_prio:0 ----------------- => started at: smp_apic_timer_interrupt+0x32/0xd0 => ended at: smp_apic_timer_interrupt+0x86/0xd0 =======> 00010000 0.000ms (+0.000ms): smp_apic_timer_interrupt (apic_timer_interrupt) 00010000 0.000ms (+0.000ms): profile_tick (smp_apic_timer_interrupt) 00010000 0.000ms (+0.000ms): profile_hook (profile_tick) 00010001 0.000ms (+0.595ms): notifier_call_chain (profile_hook) 00010000 0.595ms (+0.000ms): do_nmi (mcount) 00020000 0.596ms (+0.000ms): profile_tick (nmi_watchdog_tick) 00020000 0.596ms (+0.000ms): profile_hook (profile_tick) 00020001 0.597ms (+0.000ms): notifier_call_chain (profile_hook) 00020000 0.597ms (+689953.444ms): profile_hit (nmi_watchdog_tick) 00010001 689954.042ms (+1.141ms): update_process_times (do_timer) 00000001 0.597ms (+0.000ms): sub_preempt_count (smp_apic_timer_interrupt) 00000001 0.598ms (+0.000ms): update_max_trace (check_preempt_timing)
Thomas
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