Messages in this thread | | | Date | Thu, 24 Mar 2011 09:47:17 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] perf probe: Add fastpath to do lookup by function name |
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* Lin Ming <ming.m.lin@intel.com> wrote:
> ./perf stat -r 10 -- ./perf probe -k /home/mlin/vmlinux \ > -s /home/mlin/linux-2.6 \ > --line csum_partial_copy_to_user > tmp.log > > before patch applied > ===================== > 364.535892 task-clock-msecs # 0.997 CPUs > 865,862,109 cycles # 2375.245 M/sec > 1,255,259,630 instructions # 1.450 IPC
> after patch applied > ===================== > 89.896405 task-clock-msecs # 0.991 CPUs > 214,553,875 cycles # 2386.679 M/sec > 226,915,559 instructions # 1.058 IPC
That's a very nice speedup :-)
Thanks,
Ingo
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