Re: [PATCH v4 1/6] perf header: Record first sample time and last sample time in perf file header

2017-10-19 Thread Arnaldo Carvalho de Melo
Em Tue, Oct 03, 2017 at 10:22:33PM +0800, Jin Yao escreveu: > perf report/script/... have a --time option to limit the time range > of output. That's very useful to slice large traces, e.g. when processing > the output of perf script for some analysis. > > But right now --time only supports absolu

[PATCH v4 1/6] perf header: Record first sample time and last sample time in perf file header

2017-10-02 Thread Jin Yao
perf report/script/... have a --time option to limit the time range of output. That's very useful to slice large traces, e.g. when processing the output of perf script for some analysis. But right now --time only supports absolute time. Also there is no fast way to get the start/end times of a giv