On Tue, Jun 03, 2014 at 07:36:25AM -0600, David Ahern wrote: > On 6/2/14, 3:18 PM, Jiri Olsa wrote: > >We keep dsos data file descriptors open until their count reaches > >the half of the current fd open limit (RLIMIT_NOFILE). In this case > >we close file descriptor of the first opened dso object. > > > >We've got overall speedup (24% for my workload) of report: > > 'perf report --stdio -i perf-test.data' (3 runs) > > (perf-test.data size was around 12GB) > > > > current code: > > 446,826,474,217 cycles ( +- 0.23% ) > > 669,435,100,846 instructions ( +- 0.03% ) > > > > 266.380674551 seconds time elapsed ( +- 0.37% ) > > > > change: > > 558,345,509,819 cycles ( +- 0.55% ) > > 817,283,647,637 instructions ( +- 0.03% ) > > > > 351.564209617 seconds time elapsed ( +- 0.89% ) > > message is confusing. Looks like time went up.
aaargh.. right ;-) it should bethe other way around thanks, jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
