diff options
Diffstat (limited to 'tools/perf/Documentation/perf-annotate.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-annotate.txt | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt index 1b5042f134a8..b95524bea021 100644 --- a/tools/perf/Documentation/perf-annotate.txt +++ b/tools/perf/Documentation/perf-annotate.txt @@ -41,7 +41,7 @@ OPTIONS -q:: --quiet:: - Do not show any message. (Suppress -v) + Do not show any warnings or messages. (Suppress -v) -n:: --show-nr-samples:: @@ -58,6 +58,13 @@ OPTIONS --ignore-vmlinux:: Ignore vmlinux files. +--itrace:: + Options for decoding instruction tracing data. The options are: + +include::itrace.txt[] + + To disable decoding entirely, use --no-itrace. + -m:: --modules:: Load module symbols. WARNING: use only with -k and LIVE kernel. @@ -109,6 +116,9 @@ OPTIONS -M:: --disassembler-style=:: Set disassembler style for objdump. +--addr2line=<path>:: + Path to addr2line binary. + --objdump=<path>:: Path to objdump binary. @@ -124,6 +134,13 @@ OPTIONS --group:: Show event group information together +--demangle:: + Demangle symbol names to human readable form. It's enabled by default, + disable with --no-demangle. + +--demangle-kernel:: + Demangle kernel symbol names to human readable form (for C++ kernels). + --percent-type:: Set annotation percent type from following choices: global-period, local-period, global-hits, local-hits @@ -133,6 +150,22 @@ OPTIONS The period/hits keywords set the base the percentage is computed on - the samples period or the number of samples (hits). +--percent-limit:: + Do not show functions which have an overhead under that percent on + stdio or stdio2 (Default: 0). Note that this is about selection of + functions to display, not about lines within the function. + +--data-type[=TYPE_NAME]:: + Display data type annotation instead of code. It infers data type of + samples (if they are memory accessing instructions) using DWARF debug + information. It can take an optional argument of data type name. In + that case it'd show annotation for the type only, otherwise it'd show + all data types it finds. + +--type-stat:: + Show stats for the data type annotation. + + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] |