Messages in this thread | | | Date | Thu, 22 Oct 2015 15:37:57 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 2/2] perf tools: Improve call graph documents and help messages |
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Em Thu, Oct 22, 2015 at 11:28:32PM +0900, Namhyung Kim escreveu: > The --call-graph option is complex so we should provide better guide for > users. Also change help message to be consistent with config option > names. Now perf top will show help like below: > > $ perf top --call-graph > Error: option `call-graph' requires a value > > Usage: perf top [<options>] > > --call-graph <record_mode[,record_size],print_type,threshold[,print_limit],order,sort_key[,branch]> > setup and enables call-graph (stack chain/backtrace): > > record_mode: call graph recording mode (fp|dwarf|lbr) > record_size: if record_mode is 'dwarf', max size of stack recording (<bytes>) > default: 8192 (bytes) > print_type: call graph printing style (graph|flat|fractal|none) > threshold: minimum call graph inclusion threshold (<percent>) > print_limit: maximum number of call graph entry (<number>) > order: call graph order (caller|callee) > sort_key: call graph sort key (function|address) > branch: include last branch info to call graph (branch) > > Default: fp,graph,0.5,caller,function
Applied.
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