openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

perf config: Document missing config options 

While documenting annotate.show_nr_samples config option, I found many
other config options missing in perf-config documentation. Add them.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Link: http://lore.kernel.org/lkml/20200213064306.160480-9-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ravi Bangoria 2020-02-13 12:13:06 +05:30 committed by Arnaldo Carvalho de Melo
parent cd0a9c518d
commit b0aaf4c8f3
1 changed files with 44 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
tools/perf/Documentation/perf-config.txt
View File

@ -518,6 +518,12 @@ top.*::
column by default.
The default is 'true'.
top.call-graph::
This is identical to 'call-graph.record-mode', except it is
applicable only for 'top' subcommand. This option ONLY setup
the unwind method. To enable 'perf top' to actually use it,
the command line option -g must be specified.
man.*::
man.viewer::
This option can assign a tool to view manual pages when 'help'
@ -545,6 +551,16 @@ record.*::
But if this option is 'no-cache', it will not update the build-id cache.
'skip' skips post-processing and does not update the cache.
record.call-graph::
This is identical to 'call-graph.record-mode', except it is
applicable only for 'record' subcommand. This option ONLY setup
the unwind method. To enable 'perf record' to actually use it,
the command line option -g must be specified.
record.aio::
Use 'n' control blocks in asynchronous (Posix AIO) trace writing
mode ('n' default: 1, max: 4).
diff.*::
diff.order::
This option sets the number of columns to sort the result.
@ -594,6 +610,11 @@ trace.*::
"libbeauty", the default, to use the same argument beautifiers used in the
strace-like sys_enter+sys_exit lines.
ftrace.*::
ftrace.tracer::
Can be used to select the default tracer. Possible values are
'function' and 'function_graph'.
llvm.*::
llvm.clang-path::
Path to clang. If omit, search it from $PATH.
@ -638,6 +659,29 @@ scripts.*::
The script gets the same options passed as a full perf script,
in particular -i perfdata file, --cpu, --tid
convert.*::
convert.queue-size::
Limit the size of ordered_events queue, so we could control
allocation size of perf data files without proper finished
round events.
intel-pt.*::
intel-pt.cache-divisor::
intel-pt.mispred-all::
If set, Intel PT decoder will set the mispred flag on all
branches.
auxtrace.*::
auxtrace.dumpdir::
s390 only. The directory to save the auxiliary trace buffer
can be changed using this option. Ex, auxtrace.dumpdir=/tmp.
If the directory does not exist or has the wrong file type,
the current directory is used.
SEE ALSO
--------
linkperf:perf[1]