diff options
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/Makefile | 4 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-annotate.txt | 7 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-buildid-cache.txt | 7 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-diff.txt | 4 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-evlist.txt | 4 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 41 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-script-python.txt | 2 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 11 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-test.txt | 4 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 2 |
10 files changed, 75 insertions, 11 deletions
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile index ef6d22e..eb30044 100644 --- a/tools/perf/Documentation/Makefile +++ b/tools/perf/Documentation/Makefile @@ -222,10 +222,14 @@ install-pdf: pdf #install-html: html # '$(SHELL_PATH_SQ)' ./install-webdoc.sh $(DESTDIR)$(htmldir) +ifneq ($(MAKECMDGOALS),clean) +ifneq ($(MAKECMDGOALS),tags) $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE $(QUIET_SUBDIR0)../ $(QUIET_SUBDIR1) $(OUTPUT)PERF-VERSION-FILE -include $(OUTPUT)PERF-VERSION-FILE +endif +endif # # Determine "include::" file references in asciidoc files. diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt index c8ffd9f..5ad07ef 100644 --- a/tools/perf/Documentation/perf-annotate.txt +++ b/tools/perf/Documentation/perf-annotate.txt @@ -61,11 +61,13 @@ OPTIONS --stdio:: Use the stdio interface. ---tui:: Use the TUI interface Use of --tui requires a tty, if one is not +--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 through the lines with more samples. +--gtk:: Use the GTK interface. + -C:: --cpu:: Only report samples for the list of CPUs provided. Multiple CPUs can be provided as a comma-separated list with no space: 0,1. Ranges of @@ -88,6 +90,9 @@ OPTIONS --objdump=<path>:: Path to objdump binary. +--skip-missing:: + Skip symbols that cannot be annotated. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt index c105770..e9a8349 100644 --- a/tools/perf/Documentation/perf-buildid-cache.txt +++ b/tools/perf/Documentation/perf-buildid-cache.txt @@ -24,6 +24,13 @@ OPTIONS -r:: --remove=:: Remove specified file from the cache. +-M:: +--missing=:: + List missing build ids in the cache for the specified file. +-u:: +--update:: + Update specified file of the cache. It can be used to update kallsyms + kernel dso to vmlinux in order to support annotation. -v:: --verbose:: Be more verbose. diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt index 194f37d..5b3123d 100644 --- a/tools/perf/Documentation/perf-diff.txt +++ b/tools/perf/Documentation/perf-diff.txt @@ -22,10 +22,6 @@ specified perf.data files. OPTIONS ------- --M:: ---displacement:: - Show position displacement relative to baseline. - -D:: --dump-raw-trace:: Dump raw trace in ASCII. diff --git a/tools/perf/Documentation/perf-evlist.txt b/tools/perf/Documentation/perf-evlist.txt index 1521734..1ceb370 100644 --- a/tools/perf/Documentation/perf-evlist.txt +++ b/tools/perf/Documentation/perf-evlist.txt @@ -28,6 +28,10 @@ OPTIONS --verbose=:: Show all fields. +-g:: +--group:: + Show event group information. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-list[1], diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index f4d91be..02284a0 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -57,11 +57,44 @@ OPTIONS -s:: --sort=:: - Sort by key(s): pid, comm, dso, symbol, parent, srcline. + Sort histogram entries by given key(s) - multiple keys can be specified + in CSV format. Following sort keys are available: + pid, comm, dso, symbol, parent, cpu, srcline. + + Each key has following meaning: + + - comm: command (name) of the task which can be read via /proc/<pid>/comm + - pid: command and tid of the task + - dso: name of library or module executed at the time of sample + - symbol: name of function executed at the time of sample + - parent: name of function matched to the parent regex filter. Unmatched + entries are displayed as "[other]". + - cpu: cpu number the task ran at the time of sample + - srcline: filename and line number executed at the time of sample. The + DWARF debuggin info must be provided. + + By default, comm, dso and symbol keys are used. + (i.e. --sort comm,dso,symbol) + + If --branch-stack option is used, following sort keys are also + available: + dso_from, dso_to, symbol_from, symbol_to, mispredict. + + - dso_from: name of library or module branched from + - dso_to: name of library or module branched to + - symbol_from: name of function branched from + - symbol_to: name of function branched to + - mispredict: "N" for predicted branch, "Y" for mispredicted branch + + And default sort keys are changed to comm, dso_from, symbol_from, dso_to + and symbol_to, see '--branch-stack'. -p:: --parent=<regex>:: - regex filter to identify parent, see: '--sort parent' + A regex filter to identify parent. The parent is a caller of this + function and searched through the callchain, thus it requires callchain + information recorded. The pattern is in the exteneded regex format and + defaults to "\^sys_|^do_page_fault", see '--sort parent'. -x:: --exclude-other:: @@ -74,7 +107,6 @@ OPTIONS -t:: --field-separator=:: - Use a special separator character and don't pad with spaces, replacing all occurrences of this separator in symbol names (and other output) with a '.' character, that thus it's the only non valid separator. @@ -171,6 +203,9 @@ OPTIONS --objdump=<path>:: Path to objdump binary. +--group:: + Show event group information together. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-annotate[1] diff --git a/tools/perf/Documentation/perf-script-python.txt b/tools/perf/Documentation/perf-script-python.txt index a4027f2..9f1f054 100644 --- a/tools/perf/Documentation/perf-script-python.txt +++ b/tools/perf/Documentation/perf-script-python.txt @@ -336,7 +336,6 @@ scripts listed by the 'perf script -l' command e.g.: ---- root@tropicana:~# perf script -l List of available trace scripts: - workqueue-stats workqueue stats (ins/exe/create/destroy) wakeup-latency system-wide min/max/avg wakeup latency rw-by-file <comm> r/w activity for a program, by file rw-by-pid system-wide r/w activity @@ -402,7 +401,6 @@ should show a new entry for your script: ---- root@tropicana:~# perf script -l List of available trace scripts: - workqueue-stats workqueue stats (ins/exe/create/destroy) wakeup-latency system-wide min/max/avg wakeup latency rw-by-file <comm> r/w activity for a program, by file rw-by-pid system-wide r/w activity diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index cf0c310..faf4f4f 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -114,6 +114,17 @@ with it. --append may be used here. Examples: perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/clean' -- make -s -j64 O=defconfig-build/ bzImage +-I msecs:: +--interval-print msecs:: + Print count deltas every N milliseconds (minimum: 100ms) + example: perf stat -I 1000 -e cycles -a sleep 5 + +--aggr-socket:: +Aggregate counts per processor socket for system-wide mode measurements. This +is a useful mode to detect imbalance between sockets. To enable this mode, +use --aggr-socket in addition to -a. (system-wide). The output includes the +socket number and the number of online processors on that socket. This is +useful to gauge the amount of aggregation. EXAMPLES -------- diff --git a/tools/perf/Documentation/perf-test.txt b/tools/perf/Documentation/perf-test.txt index b24ac40..d1d3e5121 100644 --- a/tools/perf/Documentation/perf-test.txt +++ b/tools/perf/Documentation/perf-test.txt @@ -23,6 +23,10 @@ from 'perf test list'. OPTIONS ------- +-s:: +--skip:: + Tests to skip (comma separater numeric list). + -v:: --verbose:: Be more verbose. diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 5b80d84..a414bc9 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -60,7 +60,7 @@ Default is to monitor all CPUS. -i:: --inherit:: - Child tasks inherit counters, only makes sens with -p option. + Child tasks do not inherit counters. -k <path>:: --vmlinux=<path>:: |