Em Tue, Jun 05, 2018 at 02:13:13PM +0200, Jiri Olsa escreveu:
> Adding the support to read rusage data once the
> workload is finished and display the system/user
> time values:
<SNIP>
> Those times are the very same displayed by 'time' tool.
> They are returned by wait4 call via the getrusage struct
> interface.
Thanks, tested it with:
# perf stat --null time perf bench sched pipe
# Running 'sched/pipe' benchmark:
# Executed 1000000 pipe operations between two processes
Total time: 5.526 [sec]
5.526534 usecs/op
180945 ops/sec
1.00user 6.25system 0:05.52elapsed 131%CPU (0avgtext+0avgdata
8056maxresident)k
0inputs+0outputs (0major+606minor)pagefaults 0swaps
Performance counter stats for 'time perf bench sched pipe':
5.530978744 seconds time elapsed
1.004037000 seconds user
6.259937000 seconds sys
#
:-)
- Arnaldo
