aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/Documentation
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2010-12-02 11:20:11 +0100
committerIngo Molnar <mingo@elte.hu>2010-12-02 11:20:11 +0100
commite4b546a3643fbfc510d5ef7db538e4d3ab00effb (patch)
tree315d13bdb2dfb1149e44c85043c9d02dc7db219d /tools/perf/Documentation
parentb3d006c0e745bfd2dab4984ffe3279d5cf4e926a (diff)
parentd7470b6afca85ed4388fff57fc9d89f5a3be02ff (diff)
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-annotate.txt37
-rw-r--r--tools/perf/Documentation/perf-buildid-list.txt3
-rw-r--r--tools/perf/Documentation/perf-diff.txt19
-rw-r--r--tools/perf/Documentation/perf-kvm.txt8
-rw-r--r--tools/perf/Documentation/perf-lock.txt15
-rw-r--r--tools/perf/Documentation/perf-probe.txt2
-rw-r--r--tools/perf/Documentation/perf-record.txt17
-rw-r--r--tools/perf/Documentation/perf-report.txt49
-rw-r--r--tools/perf/Documentation/perf-sched.txt18
-rw-r--r--tools/perf/Documentation/perf-script.txt7
-rw-r--r--tools/perf/Documentation/perf-stat.txt39
-rw-r--r--tools/perf/Documentation/perf-test.txt2
-rw-r--r--tools/perf/Documentation/perf-top.txt28
13 files changed, 218 insertions, 26 deletions
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index b2c63309a65..6f5a498608b 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -24,12 +24,47 @@ OPTIONS
--input=::
Input file name. (default: perf.data)
+-d::
+--dsos=<dso[,dso...]>::
+ Only consider symbols in these dsos.
+-s::
+--symbol=<symbol>::
+ Symbol to annotate.
+
+-f::
+--force::
+ Don't complain, do it.
+
+-v::
+--verbose::
+ Be more verbose. (Show symbol address, etc)
+
+-D::
+--dump-raw-trace::
+ Dump raw trace in ASCII.
+
+-k::
+--vmlinux=<file>::
+ vmlinux pathname.
+
+-m::
+--modules::
+ Load module symbols. WARNING: use only with -k and LIVE kernel.
+
+-l::
+--print-line::
+ Print matching source lines (may be slow).
+
+-P::
+--full-paths::
+ Don't shorten the displayed pathnames.
+
--stdio:: Use the stdio interface.
--tui:: Use the TUI interface Use of --tui requires a tty, if one is not
present, as when piping to other commands, the stdio interface is
used. This interfaces starts by centering on the line with more
- samples, TAB/UNTAB cycles thru the lines with more samples.
+ samples, TAB/UNTAB cycles through the lines with more samples.
SEE ALSO
--------
diff --git a/tools/perf/Documentation/perf-buildid-list.txt b/tools/perf/Documentation/perf-buildid-list.txt
index 01b642c0bf8..5eaac6f26d5 100644
--- a/tools/perf/Documentation/perf-buildid-list.txt
+++ b/tools/perf/Documentation/perf-buildid-list.txt
@@ -18,6 +18,9 @@ perf report.
OPTIONS
-------
+-H::
+--with-hits::
+ Show only DSOs with hits.
-i::
--input=::
Input file name. (default: perf.data)
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index 20d97d84ea1..6a9ec2b3531 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -19,6 +19,18 @@ If no parameters are passed it will assume perf.data.old and perf.data.
OPTIONS
-------
+-M::
+--displacement::
+ Show position displacement relative to baseline.
+
+-D::
+--dump-raw-trace::
+ Dump raw trace in ASCII.
+
+-m::
+--modules::
+ Load module symbols. WARNING: use only with -k and LIVE kernel
+
-d::
--dsos=::
Only consider symbols in these dsos. CSV that understands
@@ -42,7 +54,7 @@ OPTIONS
--field-separator=::
Use a special separator character and don't pad with spaces, replacing
- all occurances of this separator in symbol names (and other output)
+ all occurrences of this separator in symbol names (and other output)
with a '.' character, that thus it's the only non valid separator.
-v::
@@ -50,6 +62,11 @@ OPTIONS
Be verbose, for instance, show the raw counts in addition to the
diff.
+-f::
+--force::
+ Don't complain, do it.
+
+
SEE ALSO
--------
linkperf:perf-record[1]
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt
index d004e19fe6d..dd84cb2f0a8 100644
--- a/tools/perf/Documentation/perf-kvm.txt
+++ b/tools/perf/Documentation/perf-kvm.txt
@@ -22,7 +22,7 @@ There are a couple of variants of perf kvm:
a performance counter profile of guest os in realtime
of an arbitrary workload.
- 'perf kvm record <command>' to record the performance couinter profile
+ 'perf kvm record <command>' to record the performance counter profile
of an arbitrary workload and save it into a perf data file. If both
--host and --guest are input, the perf data file name is perf.data.kvm.
If there is no --host but --guest, the file name is perf.data.guest.
@@ -40,6 +40,12 @@ There are a couple of variants of perf kvm:
OPTIONS
-------
+-i::
+--input=::
+ Input file name.
+-o::
+--output::
+ Output file name.
--host=::
Collect host side performance profile.
--guest=::
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index b317102138c..921de259ea1 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -24,6 +24,21 @@ and statistics with this 'perf lock' command.
'perf lock report' reports statistical data.
+OPTIONS
+-------
+
+-i::
+--input=<file>::
+ Input file name.
+
+-v::
+--verbose::
+ Be more verbose (show symbol address, etc).
+
+-D::
+--dump-raw-trace::
+ Dump raw trace in ASCII.
+
SEE ALSO
--------
linkperf:perf[1]
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 62de1b7f4e7..4e232327698 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -115,7 +115,7 @@ Each probe argument follows below syntax.
LINE SYNTAX
-----------
-Line range is descripted by following syntax.
+Line range is described by following syntax.
"FUNC[:RLN[+NUM|-RLN2]]|SRC:ALN[+NUM|-ALN2]"
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index a91f9f9e6e5..0ad1bc75ab4 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -39,15 +39,24 @@ OPTIONS
be passed as follows: '\mem:addr[:[r][w][x]]'.
If you want to profile read-write accesses in 0x1000, just set
'mem:0x1000:rw'.
+
+--filter=<filter>::
+ Event filter.
+
-a::
- System-wide collection.
+--all-cpus::
+ System-wide collection from all CPUs.
-l::
Scale counter values.
-p::
--pid=::
- Record events on existing pid.
+ Record events on existing process ID.
+
+-t::
+--tid=::
+ Record events on existing thread ID.
-r::
--realtime=::
@@ -109,8 +118,8 @@ Collect raw sample records from all opened counters (default for tracepoint coun
-C::
--cpu::
-Collect samples only on the list of cpus provided. Multiple CPUs can be provided as a
-comma-sperated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
+Collect samples only on the list of CPUs provided. Multiple CPUs can be provided as a
+comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
In per-thread mode with inheritance mode on (default), samples are captured only when
the thread executes on the designated CPUs. Default is to monitor all CPUs.
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 12052c9ed0b..59a1f57f2bb 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -20,6 +20,11 @@ OPTIONS
-i::
--input=::
Input file name. (default: perf.data)
+
+-v::
+--verbose::
+ Be more verbose. (show symbol address, etc)
+
-d::
--dsos=::
Only consider symbols in these dsos. CSV that understands
@@ -27,6 +32,10 @@ OPTIONS
-n::
--show-nr-samples::
Show the number of samples for each symbol
+
+--showcpuutilization::
+ Show sample percentage for different cpu modes.
+
-T::
--threads::
Show per-thread event counters
@@ -39,12 +48,24 @@ OPTIONS
Only consider these symbols. CSV that understands
file://filename entries.
+-U::
+--hide-unresolved::
+ Only display entries resolved to a symbol.
+
-s::
--sort=::
Sort by key(s): pid, comm, dso, symbol, parent.
+-p::
+--parent=<regex>::
+ regex filter to identify parent, see: '--sort parent'
+
+-x::
+--exclude-other::
+ Only display entries with parent-match.
+
-w::
---field-width=::
+--column-widths=<width[,width...]>::
Force each column width to the provided list, for large terminal
readability.
@@ -52,19 +73,26 @@ OPTIONS
--field-separator=::
Use a special separator character and don't pad with spaces, replacing
- all occurances of this separator in symbol names (and other output)
+ all occurrences of this separator in symbol names (and other output)
with a '.' character, that thus it's the only non valid separator.
+-D::
+--dump-raw-trace::
+ Dump raw trace in ASCII.
+
-g [type,min]::
--call-graph::
- Display callchains using type and min percent threshold.
+ Display call chains using type and min percent threshold.
type can be either:
- - flat: single column, linear exposure of callchains.
+ - flat: single column, linear exposure of call chains.
- graph: use a graph tree, displaying absolute overhead rates.
- fractal: like graph, but displays relative rates. Each branch of
the tree is considered as a new profiled object. +
Default: fractal,0.5.
+--pretty=<key>::
+ Pretty printing style. key: normal, raw
+
--stdio:: Use the stdio interface.
--tui:: Use the TUI interface, that is integrated with annotate and allows
@@ -72,6 +100,19 @@ OPTIONS
requires a tty, if one is not present, as when piping to other
commands, the stdio interface is used.
+-k::
+--vmlinux=<file>::
+ vmlinux pathname
+
+-m::
+--modules::
+ Load module symbols. WARNING: This should only be used with -k and
+ a LIVE kernel.
+
+-f::
+--force::
+ Don't complain, do it.
+
SEE ALSO
--------
linkperf:perf-stat[1]
diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt
index 8417644a616..46822d5fde1 100644
--- a/tools/perf/Documentation/perf-sched.txt
+++ b/tools/perf/Documentation/perf-sched.txt
@@ -8,11 +8,11 @@ perf-sched - Tool to trace/measure scheduler properties (latencies)
SYNOPSIS
--------
[verse]
-'perf sched' {record|latency|replay|trace}
+'perf sched' {record|latency|map|replay|trace}
DESCRIPTION
-----------
-There are four variants of perf sched:
+There are five variants of perf sched:
'perf sched record <command>' to record the scheduling events
of an arbitrary workload.
@@ -30,8 +30,22 @@ There are four variants of perf sched:
of the workload as it occurred when it was recorded - and can repeat
it a number of times, measuring its performance.)
+ 'perf sched map' to print a textual context-switching outline of
+ workload captured via perf sched record. Columns stand for
+ individual CPUs, and the two-letter shortcuts stand for tasks that
+ are running on a CPU. A '*' denotes the CPU that had the event, and
+ a dot signals an idle CPU.
+
OPTIONS
-------
+-i::
+--input=<file>::
+ Input file name. (default: perf.data)
+
+-v::
+--verbose::
+ Be more verbose. (show symbol address, etc)
+
-D::
--dump-raw-trace=::
Display verbose dump of the sched data.
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index f442acc105b..29ad94293cd 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -104,6 +104,13 @@ OPTIONS
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
--------
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index c405bcad6ac..b6da7affbbe 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -8,8 +8,8 @@ perf-stat - Run a command and gather performance counter statistics
SYNOPSIS
--------
[verse]
-'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] <command>
-'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] -- <command> [<options>]
+'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command>
+'perf stat' [-e <EVENT> | --event=EVENT] [-a] -- <command> [<options>]
DESCRIPTION
-----------
@@ -35,21 +35,33 @@ OPTIONS
child tasks do not inherit counters
-p::
--pid=<pid>::
- stat events on existing pid
+ stat events on existing process id
+
+-t::
+--tid=<tid>::
+ stat events on existing thread id
+
-a::
- system-wide collection
+--all-cpus::
+ system-wide collection from all CPUs
-c::
- scale counter values
+--scale::
+ scale/normalize counter values
+
+-r::
+--repeat=<n>::
+ repeat command and print average + stddev (max: 100)
-B::
+--big-num::
print large numbers with thousands' separators according to locale
-C::
--cpu=::
-Count only on the list of cpus provided. Multiple CPUs can be provided as a
-comma-sperated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
+Count only on the list of CPUs provided. Multiple CPUs can be provided as a
+comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
In per-thread mode, this option is ignored. The -a option is still necessary
to activate system-wide monitoring. Default is to count on all CPUs.
@@ -58,6 +70,19 @@ to activate system-wide monitoring. Default is to count on all CPUs.
Do not aggregate counts across all monitored CPUs in system-wide mode (-a).
This option is only valid in system-wide mode.
+-n::
+--null::
+ null run - don't start any counters
+
+-v::
+--verbose::
+ be more verbose (show counter open errors, etc)
+
+-x SEP::
+--field-separator SEP::
+print counts using a CSV-style output to make it easy to import directly into
+spreadsheets. Columns are separated by the string specified in SEP.
+
EXAMPLES
--------
diff --git a/tools/perf/Documentation/perf-test.txt b/tools/perf/Documentation/perf-test.txt
index 1c4b5f5b7f7..2c3b462f64b 100644
--- a/tools/perf/Documentation/perf-test.txt
+++ b/tools/perf/Documentation/perf-test.txt
@@ -12,7 +12,7 @@ SYNOPSIS
DESCRIPTION
-----------
-This command does assorted sanity tests, initially thru linked routines but
+This command does assorted sanity tests, initially through linked routines but
also will look for a directory with more tests in the form of scripts.
OPTIONS
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 1f9687663f2..f6eb1cdafb7 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -12,7 +12,7 @@ SYNOPSIS
DESCRIPTION
-----------
-This command generates and displays a performance counter profile in realtime.
+This command generates and displays a performance counter profile in real time.
OPTIONS
@@ -27,8 +27,8 @@ OPTIONS
-C <cpu-list>::
--cpu=<cpu>::
-Monitor only on the list of cpus provided. Multiple CPUs can be provided as a
-comma-sperated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
+Monitor only on the list of CPUs provided. Multiple CPUs can be provided as a
+comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
Default is to monitor all CPUS.
-d <seconds>::
@@ -50,6 +50,10 @@ Default is to monitor all CPUS.
--count-filter=<count>::
Only display functions with more events than this.
+-g::
+--group::
+ Put the counters into a counter group.
+
-F <freq>::
--freq=<freq>::
Profile at this frequency.
@@ -68,7 +72,11 @@ Default is to monitor all CPUS.
-p <pid>::
--pid=<pid>::
- Profile events on existing pid.
+ Profile events on existing Process ID.
+
+-t <tid>::
+--tid=<tid>::
+ Profile events on existing thread ID.
-r <priority>::
--realtime=<priority>::
@@ -78,6 +86,18 @@ Default is to monitor all CPUS.
--sym-annotate=<symbol>::
Annotate this symbol.
+-K::
+--hide_kernel_symbols::
+ Hide kernel symbols.
+
+-U::
+--hide_user_symbols::
+ Hide user symbols.
+
+-D::
+--dump-symtab::
+ Dump the symbol table used for profiling.
+
-v::
--verbose::
Be more verbose (show counter open errors, etc).