diff options
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-annotate.txt | 13 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-buildid-list.txt | 6 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 20 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-sched.txt | 6 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 7 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 16 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 48 | ||||
| -rw-r--r-- | tools/perf/Documentation/perfconfig.example | 20 |
8 files changed, 129 insertions, 7 deletions
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt index 85c5f026930..fe6762ed56b 100644 --- a/tools/perf/Documentation/perf-annotate.txt +++ b/tools/perf/Documentation/perf-annotate.txt @@ -72,6 +72,19 @@ OPTIONS CPUs are specified with -: 0-2. Default is to report samples on all CPUs. +--asm-raw:: + Show raw instruction encoding of assembly instructions. + +--source:: + Interleave source code with assembly code. Enabled by default, + disable with --no-source. + +--symfs=<directory>:: + Look for files with symbols relative to this directory. + +-M:: +--disassembler-style=:: Set disassembler style for objdump. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/Documentation/perf-buildid-list.txt b/tools/perf/Documentation/perf-buildid-list.txt index 5eaac6f26d5..cc22325ffd1 100644 --- a/tools/perf/Documentation/perf-buildid-list.txt +++ b/tools/perf/Documentation/perf-buildid-list.txt @@ -16,6 +16,9 @@ This command displays the buildids found in a perf.data file, so that other tools can be used to fetch packages with matching symbol tables for use by perf report. +It can also be used to show the build id of the running kernel or in an ELF +file using -i/--input. + OPTIONS ------- -H:: @@ -27,6 +30,9 @@ OPTIONS -f:: --force:: Don't do ownership validation. +-k:: +--kernel:: + Show running kernel build id. -v:: --verbose:: Be more verbose. diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 04253c07d19..212f24d672e 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -134,6 +134,24 @@ OPTIONS CPUs are specified with -: 0-2. Default is to report samples on all CPUs. +-M:: +--disassembler-style=:: Set disassembler style for objdump. + +--source:: + Interleave source code with assembly code. Enabled by default, + disable with --no-source. + +--asm-raw:: + Show raw instruction encoding of assembly instructions. + +--show-total-period:: Show a column with the sum of periods. + +-I:: +--show-info:: + Display extended information about the perf.data file. This adds + information which may be very large and thus may clutter the display. + It currently includes: cpu and numa topology of the host system. + SEE ALSO -------- -linkperf:perf-stat[1] +linkperf:perf-stat[1], linkperf:perf-annotate[1] diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt index 46822d5fde1..5b212b57f70 100644 --- a/tools/perf/Documentation/perf-sched.txt +++ b/tools/perf/Documentation/perf-sched.txt @@ -8,7 +8,7 @@ perf-sched - Tool to trace/measure scheduler properties (latencies) SYNOPSIS -------- [verse] -'perf sched' {record|latency|map|replay|trace} +'perf sched' {record|latency|map|replay|script} DESCRIPTION ----------- @@ -20,8 +20,8 @@ There are five variants of perf sched: 'perf sched latency' to report the per task scheduling latencies and other scheduling properties of the workload. - 'perf sched trace' to see a detailed trace of the workload that - was recorded. + 'perf sched script' to see a detailed trace of the workload that + was recorded (aliased to 'perf script' for now). 'perf sched replay' to simulate the workload that was recorded via perf sched record. (this is done by starting up mockup threads diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index db017867d9e..dec87ecb530 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -188,6 +188,13 @@ OPTIONS CPUs are specified with -: 0-2. Default is to report samples on all CPUs. +-I:: +--show-info:: + Display extended information about the perf.data file. This adds + information which may be very large and thus may clutter the display. + It currently includes: cpu and numa topology of the host system. + It can only be used with the perf script report mode. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 918cc38ee6d..8966b9ab201 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -94,6 +94,22 @@ an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must ha corresponding events, i.e., they always refer to events defined earlier on the command line. +-o file:: +--output file:: +Print the output into the designated file. + +--append:: +Append to the output file designated with the -o option. Ignored if -o is not specified. + +--log-fd:: + +Log output to fd, instead of stderr. Complementary to --output, and mutually exclusive +with it. --append may be used here. Examples: + 3>results perf stat --log-fd 3 -- $cmd + 3>>results perf stat --log-fd 3 --append -- $cmd + + + EXAMPLES -------- diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index f6eb1cdafb7..b1a5bbbfebe 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -106,6 +106,51 @@ Default is to monitor all CPUS. --zero:: Zero history across display updates. +-s:: +--sort:: + Sort by key(s): pid, comm, dso, symbol, parent + +-n:: +--show-nr-samples:: + Show a column with the number of samples. + +--show-total-period:: + Show a column with the sum of periods. + +--dsos:: + Only consider symbols in these dsos. + +--comms:: + Only consider symbols in these comms. + +--symbols:: + Only consider these symbols. + +-M:: +--disassembler-style=:: Set disassembler style for objdump. + +--source:: + Interleave source code with assembly code. Enabled by default, + disable with --no-source. + +--asm-raw:: + Show raw instruction encoding of assembly instructions. + +-G [type,min,order]:: +--call-graph:: + Display call chains using type, min percent threshold and order. + type can be either: + - 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. + + order can be either: + - callee: callee based call graph. + - caller: inverted caller based call graph. + + Default: fractal,0.5,callee. + INTERACTIVE PROMPTING KEYS -------------------------- @@ -130,9 +175,6 @@ INTERACTIVE PROMPTING KEYS [S]:: Stop annotation, return to full profile display. -[w]:: - Toggle between weighted sum and individual count[E]r profile. - [z]:: Toggle event count zeroing across display updates. diff --git a/tools/perf/Documentation/perfconfig.example b/tools/perf/Documentation/perfconfig.example new file mode 100644 index 00000000000..d1448668f4d --- /dev/null +++ b/tools/perf/Documentation/perfconfig.example @@ -0,0 +1,20 @@ +[colors] + + # These were the old defaults + top = red, lightgray + medium = green, lightgray + normal = black, lightgray + selected = lightgray, magenta + code = blue, lightgray + +[tui] + + # Defaults if linked with libslang + report = on + annotate = on + top = on + +[buildid] + + # Default, disable using /dev/null + dir = /root/.debug |