-perf-trace(1)
+perf-script(1)
=============
NAME
----
-perf-trace - Read perf.data (created by perf record) and display trace output
+perf-script - Read perf.data (created by perf record) and display trace output
SYNOPSIS
--------
[verse]
-'perf trace' [<options>]
-'perf trace' [<options>] record <script> [<record-options>] <command>
-'perf trace' [<options>] report <script> [script-args]
-'perf trace' [<options>] <script> <required-script-args> [<record-options>] <command>
-'perf trace' [<options>] <top-script> [script-args]
+'perf script' [<options>]
+'perf script' [<options>] record <script> [<record-options>] <command>
+'perf script' [<options>] report <script> [script-args]
+'perf script' [<options>] <script> <required-script-args> [<record-options>] <command>
+'perf script' [<options>] <top-script> [script-args]
DESCRIPTION
-----------
This command reads the input file and displays the trace recorded.
-There are several variants of perf trace:
+There are several variants of perf script:
- 'perf trace' to see a detailed trace of the workload that was
+ 'perf script' to see a detailed trace of the workload that was
recorded.
You can also run a set of pre-canned scripts that aggregate and
summarize the raw trace data in various ways (the list of scripts is
- available via 'perf trace -l'). The following variants allow you to
+ available via 'perf script -l'). The following variants allow you to
record and run those scripts:
- 'perf trace record <script> <command>' to record the events required
- for 'perf trace report'. <script> is the name displayed in the
- output of 'perf trace --list' i.e. the actual script name minus any
+ 'perf script record <script> <command>' to record the events required
+ for 'perf script report'. <script> is the name displayed in the
+ output of 'perf script --list' i.e. the actual script name minus any
language extension. If <command> is not specified, the events are
recorded using the -a (system-wide) 'perf record' option.
- 'perf trace report <script> [args]' to run and display the results
+ 'perf script report <script> [args]' to run and display the results
of <script>. <script> is the name displayed in the output of 'perf
trace --list' i.e. the actual script name minus any language
- extension. The perf.data output from a previous run of 'perf trace
+ extension. The perf.data output from a previous run of 'perf script
record <script>' is used and should be present for this command to
succeed. [args] refers to the (mainly optional) args expected by
the script.
- 'perf trace <script> <required-script-args> <command>' to both
+ 'perf script <script> <required-script-args> <command>' to both
record the events required for <script> and to run the <script>
using 'live-mode' i.e. without writing anything to disk. <script>
- is the name displayed in the output of 'perf trace --list' i.e. the
+ is the name displayed in the output of 'perf script --list' i.e. the
actual script name minus any language extension. If <command> is
not specified, the events are recorded using the -a (system-wide)
'perf record' option. If <script> has any required args, they
should be specified before <command>. This mode doesn't allow for
optional script args to be specified; if optional script args are
- desired, they can be specified using separate 'perf trace record'
- and 'perf trace report' commands, with the stdout of the record step
+ desired, they can be specified using separate 'perf script record'
+ and 'perf script report' commands, with the stdout of the record step
piped to the stdin of the report script, using the '-o -' and '-i -'
options of the corresponding commands.
- 'perf trace <top-script>' to both record the events required for
+ 'perf script <top-script>' to both record the events required for
<top-script> and to run the <top-script> using 'live-mode'
i.e. without writing anything to disk. <top-script> is the name
- displayed in the output of 'perf trace --list' i.e. the actual
+ displayed in the output of 'perf script --list' i.e. the actual
script name minus any language extension; a <top-script> is defined
as any script name ending with the string 'top'.
- [<record-options>] can be passed to the record steps of 'perf trace
+ [<record-options>] can be passed to the record steps of 'perf script
record' and 'live-mode' variants; this isn't possible however for
- <top-script> 'live-mode' or 'perf trace report' variants.
+ <top-script> 'live-mode' or 'perf script report' variants.
See the 'SEE ALSO' section for links to language-specific
information on how to write and run your own trace scripts.
Any command you can specify in a shell.
-D::
---dump-raw-trace=::
+--dump-raw-script=::
Display verbose dump of the trace data.
-L::
-g::
--gen-script=::
- Generate perf-trace.[ext] starter script for given language,
+ Generate perf-script.[ext] starter script for given language,
using current perf.data.
-a::
normally don't - this option allows the latter to be run in
system-wide mode.
+-i::
+--input=::
+ Input file name.
+
+-d::
+--debug-mode::
+ Do various checks like samples ordering and lost events.
SEE ALSO
--------
-linkperf:perf-record[1], linkperf:perf-trace-perl[1],
-linkperf:perf-trace-python[1]
+linkperf:perf-record[1], linkperf:perf-script-perl[1],
+linkperf:perf-script-python[1]
projects / mv-sheeva.git / blobdiff