diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/callchain.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index aaf467c9ef2b..fce8161e54db 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -7,17 +7,29 @@ #include "event.h" #include "symbol.h" -#define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace) recording: " +#define HELP_PAD "\t\t\t\t" + +#define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace):\n\n" #ifdef HAVE_DWARF_UNWIND_SUPPORT -#define CALLCHAIN_RECORD_HELP CALLCHAIN_HELP "fp dwarf lbr" +# define RECORD_MODE_HELP HELP_PAD "record_mode:\tcall graph recording mode (fp|dwarf|lbr)\n" #else -#define CALLCHAIN_RECORD_HELP CALLCHAIN_HELP "fp lbr" +# define RECORD_MODE_HELP HELP_PAD "record_mode:\tcall graph recording mode (fp|lbr)\n" #endif -#define CALLCHAIN_REPORT_HELP "output_type (graph, flat, fractal, or none), " \ - "min percent threshold, optional print limit, callchain order, " \ - "key (function or address), add branches" +#define RECORD_SIZE_HELP \ + HELP_PAD "record_size:\tif record_mode is 'dwarf', max size of stack recording (<bytes>)\n" \ + HELP_PAD "\t\tdefault: 8192 (bytes)\n" + +#define CALLCHAIN_RECORD_HELP CALLCHAIN_HELP RECORD_MODE_HELP RECORD_SIZE_HELP + +#define CALLCHAIN_REPORT_HELP \ + HELP_PAD "print_type:\tcall graph printing style (graph|flat|fractal|none)\n" \ + HELP_PAD "threshold:\tminimum call graph inclusion threshold (<percent>)\n" \ + HELP_PAD "print_limit:\tmaximum number of call graph entry (<number>)\n" \ + HELP_PAD "order:\t\tcall graph order (caller|callee)\n" \ + HELP_PAD "sort_key:\tcall graph sort key (function|address)\n" \ + HELP_PAD "branch:\t\tinclude last branch info to call graph (branch)\n" enum perf_call_graph_mode { CALLCHAIN_NONE, |