On Mon, Feb 29, 2016 at 02:36:21PM -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. > > This allows to easily plot metrics from CSV files. > > 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 > .502457,,task-clock,502457,100.00,0.485,CPUs utilized > 0,,context-switches,502457,100.00,0.000,K/sec > 0,,cpu-migrations,502457,100.00,0.000,K/sec > 45,,page-faults,502457,100.00,0.090,M/sec > 644692,,cycles,509102,100.00,1.283,GHz > 423470,,stalled-cycles-frontend,509102,100.00,65.69,frontend cycles idle > <not supported>,,stalled-cycles-backend,0,100.00,,,, > 492701,,instructions,509102,100.00,0.76,insn per cycle > ,,,,,0.86,stalled cycles per insn > 97767,,branches,509102,100.00,194.578,M/sec > 4788,,branch-misses,509102,100.00,4.90,of all branches > > or easier readable > > perf stat -x, -o x.csv true > [ak@tassilo hle]$ column -s, -t x.csv > 0.490635 task-clock 490635 > 100.00 0.489 CPUs utilized > 0 context-switches 490635 > 100.00 0.000 K/sec > 0 cpu-migrations 490635 > 100.00 0.000 K/sec > 45 page-faults 490635 > 100.00 0.092 M/sec > 629080 cycles 497698 > 100.00 1.282 GHz > 409498 stalled-cycles-frontend 497698 > 100.00 65.09 frontend cycles idle > <not supported> stalled-cycles-backend 0 > 100.00 > 491424 instructions 497698 > 100.00 0.78 insn per cycle > > 0.83 stalled cycles per insn > 97278 branches 497698 > 100.00 198.270 M/sec > 4569 branch-misses 497698 > 100.00 4.70 of all branches > > Two new fields are added: metric value and metric name.
Acked-by: Jiri Olsa <jo...@kernel.org> thanks, jirka
