From: William C. <wc...@re...> - 2015-11-24 16:20:20
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On 11/24/2015 11:16 AM, Arnaldo Carvalho de Melo wrote: > Em Tue, Nov 24, 2015 at 11:06:00AM -0500, William Cohen escreveu: >> On 11/23/2015 08:27 AM, 李菊兵 wrote: >>> Hi, >>> I'm using oprofile to do some performance measurement and it definitely is a great tool! >>> But during using, I have one suggestion. >>> We could know how many relative cpu percentage the program used. But we can't get the absolute cpu usage of the program. Without the absolute cpu usage, I can't compare the whole system improvement between two different deliveries. >>> >>> Could you add this one in new release or kindly tell me which file I could modify by myself? Thank you! >>> >>> BR//Jubing LI >> >> Hi, >> >> Could you describe in a bit more detail the use case you are trying to use oprofile for? >> >> Are you looking for comparison between two sets of oprofile data like: >> >> http://oprofile.sourceforge.net/doc/opreport.html#opreport-diff > > I guess he is asking for a 'perf stat' like tool, which I think there is > one in oprofile these days, no? > > - Arnaldo > Ah, good point, Arnaldo. There is also the ocount to total the number of events: http://oprofile.sourceforge.net/doc/getting-started-with-ocount.html -Will |