On Tue, Jan 26, 2016 at 04:42:53PM -0800, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > Now support CSV output for metrics. With the new output callbacks > this is relatively straight forward by creating new callbacks. > > The new line callback needs to know the number of fields to skip them > correctly > > Example output before: > > % perf stat -x, true > 0.200687,,task-clock,200687,100.00 > 0,,context-switches,200687,100.00 > 0,,cpu-migrations,200687,100.00 > 40,,page-faults,200687,100.00 > 730871,,cycles,203601,100.00 > 551056,,stalled-cycles-frontend,203601,100.00 > <not supported>,,stalled-cycles-backend,0,100.00 > 385523,,instructions,203601,100.00 > 78028,,branches,203601,100.00 > 3946,,branch-misses,203601,100.00 > > After: > > % perf stat -x, true > 0.341119,,task-clock,0.461,CPUs utilized,0.00%,324342,100.00 > 0,,context-switches,0.000,K/sec,0.00%,324342,100.00 > 0,,cpu-migrations,0.000,K/sec,0.00%,324342,100.00 > 41,,page-faults,0.126,M/sec,0.00%,324342,100.00 > 674068,,cycles,2.078,GHz,0.00%,330887,100.00 > 508189,,stalled-cycles-frontend,82.31,frontend cycles idle,0.00%,330887,100.00 > <not supported>,,stalled-cycles-backend,,,0.00%,0,100.00 > 374932,,instructions,0.61,insn per cycle > ,,,1.20,stalled cycles per insn,0.00%,330887,100.00 > 76540,,branches,235.985,M/sec,0.00%,330887,100.00 > 3091,,branch-misses,4.09,of all branches,0.00%,330887,100.00
I'm getting stalled metrics even if I don't meassure stalled counters: [jolsa@krava perf]$ sudo ./perf stat -e cycles,instructions -x, true 657676,,cycles,,Ghz,216170,100.00 424595,,instructions,0.65,insn per cycle ,,,,stalled cycles per insn,216170,100.00 jirka
