On Thu, Jan 28, 2016 at 12:40:47AM +0900, Namhyung Kim wrote: > Hello, > > This patchset tries to implement percent limit to callchains which was > requested by Andi Kleen. For some reason, limiting callchains by > (overhead) percentage didn't work well. This patch fixes it and make > --percent-limit also works for callchains as well as hist entries. > > * Changes from v1) > - fix insertion path instead of changing all UI code > - show percent value even on single path (if needed) > - change default callchain percent limit > > This is available on 'perf/callchain-limit-v2' branch in my tree: > > git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git > > Any comments are welcome, > > Thanks, > Namhyung > *** BLURB HERE *** > > Namhyung Kim (10): > perf hists: Fix min callchain hits calculation > perf hists: Update hists' total period when adding entries > perf report: Apply --percent-limit to callchains also > perf report: Get rid of hist_entry__callchain_fprintf() > perf tools: Pass parent_samples to __callchain__fprintf_graph() > perf report: Fix percent display in callchains on --stdio > perf hists browser: Fix dump to show correct callchain style > perf hists browser: Pass parent_total to callchain print functions > perf hists browser: Fix percent display in callchains > perf tools: Change default calchain percent limit to 0.005%
heya, do I get it right that: 'perf report' display all entries, but only callchains above default limit 'perf report --percent-limit X' display only entries above limit X plus only callchains above limit X thanks, jirka
