diff options
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/Makefile | 79 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-buildid-cache.txt | 13 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-kvm.txt | 4 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-lock.txt | 2 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 17 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 16 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 5 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-timechart.txt | 15 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 15 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 37 |
10 files changed, 53 insertions, 150 deletions
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile index 3ba1c0b..5a37a7c 100644 --- a/tools/perf/Documentation/Makefile +++ b/tools/perf/Documentation/Makefile @@ -145,17 +145,16 @@ endif ifneq ($(findstring $(MAKEFLAGS),s),s) ifneq ($(V),1) - QUIET_ASCIIDOC = @echo ' ASCIIDOC '$@; - QUIET_XMLTO = @echo ' XMLTO '$@; - QUIET_DB2TEXI = @echo ' DB2TEXI '$@; - QUIET_MAKEINFO = @echo ' MAKEINFO '$@; - QUIET_DBLATEX = @echo ' DBLATEX '$@; - QUIET_XSLTPROC = @echo ' XSLTPROC '$@; - QUIET_GEN = @echo ' GEN '$@; + QUIET_ASCIIDOC = @echo ' ' ASCIIDOC $@; + QUIET_XMLTO = @echo ' ' XMLTO $@; + QUIET_DB2TEXI = @echo ' ' DB2TEXI $@; + QUIET_MAKEINFO = @echo ' ' MAKEINFO $@; + QUIET_DBLATEX = @echo ' ' DBLATEX $@; + QUIET_XSLTPROC = @echo ' ' XSLTPROC $@; + QUIET_GEN = @echo ' ' GEN $@; QUIET_STDERR = 2> /dev/null QUIET_SUBDIR0 = +@subdir= - QUIET_SUBDIR1 = ;$(NO_SUBDIR) \ - echo ' SUBDIR ' $$subdir; \ + QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \ $(MAKE) $(PRINT_DIR) -C $$subdir export V endif @@ -184,43 +183,47 @@ ifdef missing_tools endif do-install-man: man - $(call QUIET_INSTALL, Documentation-man) \ - $(INSTALL) -d -m 755 $(DESTDIR)$(man1dir); \ -# $(INSTALL) -d -m 755 $(DESTDIR)$(man5dir); \ -# $(INSTALL) -d -m 755 $(DESTDIR)$(man7dir); \ - $(INSTALL) -m 644 $(DOC_MAN1) $(DESTDIR)$(man1dir); \ -# $(INSTALL) -m 644 $(DOC_MAN5) $(DESTDIR)$(man5dir); \ -# $(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir) + $(INSTALL) -d -m 755 $(DESTDIR)$(man1dir) +# $(INSTALL) -d -m 755 $(DESTDIR)$(man5dir) +# $(INSTALL) -d -m 755 $(DESTDIR)$(man7dir) + $(INSTALL) -m 644 $(DOC_MAN1) $(DESTDIR)$(man1dir) +# $(INSTALL) -m 644 $(DOC_MAN5) $(DESTDIR)$(man5dir) +# $(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir) install-man: check-man-tools man +try-install-man: ifdef missing_tools - DO_INSTALL_MAN = $(warning Please install $(missing_tools) to have the man pages installed) + $(warning Please install $(missing_tools) to have the man pages installed) else - DO_INSTALL_MAN = do-install-man + $(MAKE) do-install-man endif -try-install-man: $(DO_INSTALL_MAN) - install-info: info - $(call QUIET_INSTALL, Documentation-info) \ - $(INSTALL) -d -m 755 $(DESTDIR)$(infodir); \ - $(INSTALL) -m 644 $(OUTPUT)perf.info $(OUTPUT)perfman.info $(DESTDIR)$(infodir); \ + $(INSTALL) -d -m 755 $(DESTDIR)$(infodir) + $(INSTALL) -m 644 $(OUTPUT)perf.info $(OUTPUT)perfman.info $(DESTDIR)$(infodir) if test -r $(DESTDIR)$(infodir)/dir; then \ - $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) perf.info ;\ - $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) perfman.info ;\ + $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) perf.info ;\ + $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) perfman.info ;\ else \ echo "No directory found in $(DESTDIR)$(infodir)" >&2 ; \ fi install-pdf: pdf - $(call QUIET_INSTALL, Documentation-pdf) \ - $(INSTALL) -d -m 755 $(DESTDIR)$(pdfdir); \ - $(INSTALL) -m 644 $(OUTPUT)user-manual.pdf $(DESTDIR)$(pdfdir) + $(INSTALL) -d -m 755 $(DESTDIR)$(pdfdir) + $(INSTALL) -m 644 $(OUTPUT)user-manual.pdf $(DESTDIR)$(pdfdir) #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. @@ -250,17 +253,15 @@ $(OUTPUT)cmd-list.made: cmd-list.perl ../command-list.txt $(MAN1_TXT) $(PERL_PATH) ./cmd-list.perl ../command-list.txt $(QUIET_STDERR) && \ date >$@ -CLEAN_FILES = \ - $(MAN_XML) $(addsuffix +,$(MAN_XML)) \ - $(MAN_HTML) $(addsuffix +,$(MAN_HTML)) \ - $(DOC_HTML) $(DOC_MAN1) $(DOC_MAN5) $(DOC_MAN7) \ - $(OUTPUT)*.texi $(OUTPUT)*.texi+ $(OUTPUT)*.texi++ \ - $(OUTPUT)perf.info $(OUTPUT)perfman.info \ - $(OUTPUT)howto-index.txt $(OUTPUT)howto/*.html $(OUTPUT)doc.dep \ - $(OUTPUT)technical/api-*.html $(OUTPUT)technical/api-index.txt \ - $(cmds_txt) $(OUTPUT)*.made clean: - $(call QUIET_CLEAN, Documentation) $(RM) $(CLEAN_FILES) + $(RM) $(MAN_XML) $(addsuffix +,$(MAN_XML)) + $(RM) $(MAN_HTML) $(addsuffix +,$(MAN_HTML)) + $(RM) $(DOC_HTML) $(DOC_MAN1) $(DOC_MAN5) $(DOC_MAN7) + $(RM) $(OUTPUT)*.texi $(OUTPUT)*.texi+ $(OUTPUT)*.texi++ + $(RM) $(OUTPUT)perf.info $(OUTPUT)perfman.info + $(RM) $(OUTPUT)howto-index.txt $(OUTPUT)howto/*.html $(OUTPUT)doc.dep + $(RM) $(OUTPUT)technical/api-*.html $(OUTPUT)technical/api-index.txt + $(RM) $(cmds_txt) $(OUTPUT)*.made $(MAN_HTML): $(OUTPUT)%.html : %.txt $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \ @@ -341,3 +342,5 @@ $(patsubst %.txt,%.html,$(wildcard howto/*.txt)): %.html : %.txt #quick-install-html: # '$(SHELL_PATH_SQ)' ./install-doc-quick.sh $(HTML_REF) $(DESTDIR)$(htmldir) + +.PHONY: .FORCE-PERF-VERSION-FILE diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt index fd77d81..e9a8349 100644 --- a/tools/perf/Documentation/perf-buildid-cache.txt +++ b/tools/perf/Documentation/perf-buildid-cache.txt @@ -21,19 +21,6 @@ OPTIONS -a:: --add=:: Add specified file to the cache. --k:: ---kcore:: - Add specified kcore file to the cache. For the current host that is - /proc/kcore which requires root permissions to read. Be aware that - running 'perf buildid-cache' as root may update root's build-id cache - not the user's. Use the -v option to see where the file is created. - Note that the copied file contains only code sections not the whole core - image. Note also that files "kallsyms" and "modules" must also be in the - same directory and are also copied. All 3 files are created with read - permissions for root only. kcore will not be added if there is already a - kcore in the cache (with the same build-id) that has the same modules at - the same addresses. Use the -v option to see if a copy of kcore is - actually made. -r:: --remove=:: Remove specified file from the cache. diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt index 6a06cef..ac84db2 100644 --- a/tools/perf/Documentation/perf-kvm.txt +++ b/tools/perf/Documentation/perf-kvm.txt @@ -109,9 +109,7 @@ STAT LIVE OPTIONS -m:: --mmap-pages=:: - Number of mmap data pages (must be a power of two) or size - specification with appended unit character - B/K/M/G. The - size is rounded up to have nearest pages power of two value. + Number of mmap data pages. Must be a power of two. -a:: --all-cpus:: diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt index ab25be2..c7f5f55 100644 --- a/tools/perf/Documentation/perf-lock.txt +++ b/tools/perf/Documentation/perf-lock.txt @@ -48,7 +48,7 @@ REPORT OPTIONS -k:: --key=<value>:: Sorting key. Possible values: acquired (default), contended, - avg_wait, wait_total, wait_max, wait_min. + wait_total, wait_max, wait_min. INFO OPTIONS ------------ diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 43b42c4..ca0d3d9 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -87,9 +87,7 @@ OPTIONS -m:: --mmap-pages=:: - Number of mmap data pages (must be a power of two) or size - specification with appended unit character - B/K/M/G. The - size is rounded up to have nearest pages power of two value. + Number of mmap data pages. Must be a power of two. -g:: Enables call-graph (stack chain/backtrace) recording. @@ -180,9 +178,6 @@ following filters are defined: - u: only when the branch target is at the user level - k: only when the branch target is in the kernel - hv: only when the target is at the hypervisor level - - in_tx: only when the target is in a hardware transaction - - no_tx: only when the target is not in a hardware transaction - - abort_tx: only when the target is a hardware transaction abort + The option requires at least one branch type among any, any_call, any_ret, ind_call. @@ -193,20 +188,12 @@ is enabled for all the sampling events. The sampled branch type is the same for The various filters must be specified as a comma separated list: --branch-filter any_ret,u,k Note that this feature may not be available on all processors. +-W:: --weight:: Enable weightened sampling. An additional weight is recorded per sample and can be displayed with the weight and local_weight sort keys. This currently works for TSX abort events and some memory events in precise mode on modern Intel CPUs. ---transaction:: -Record transaction flags for transaction related events. - ---force-per-cpu:: -Force the use of per-cpu mmaps. By default, when tasks are specified (i.e. -p, --t or -u options) per-thread mmaps are created. This option overrides that and -forces per-cpu mmaps. A side-effect of that is that inheritance is -automatically enabled. Add the -i option also to disable inheritance. - SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 10a2798..2b8097e 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -71,11 +71,7 @@ OPTIONS 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 debugging info must be provided. - - weight: Event specific weight, e.g. memory latency or transaction - abort cost. This is the global weight. - - local_weight: Local weight version of the weight above. - - transaction: Transaction abort flags. + DWARF debuggin info must be provided. By default, comm, dso and symbol keys are used. (i.e. --sort comm,dso,symbol) @@ -89,8 +85,6 @@ OPTIONS - symbol_from: name of function branched from - symbol_to: name of function branched to - mispredict: "N" for predicted branch, "Y" for mispredicted branch - - in_tx: branch in TSX transaction - - abort: TSX transaction abort. And default sort keys are changed to comm, dso_from, symbol_from, dso_to and symbol_to, see '--branch-stack'. @@ -141,14 +135,6 @@ OPTIONS Default: fractal,0.5,callee,function. ---max-stack:: - Set the stack depth limit when parsing the callchain, anything - beyond the specified depth will be ignored. This is a trade-off - between information loss and faster processing especially for - workloads that can have a very long callchain stack. - - Default: 127 - -G:: --inverted:: alias for inverted caller based call graph. diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 80c7da6..73c9759 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -137,11 +137,6 @@ core number and the number of online logical processors on that physical process After starting the program, wait msecs before measuring. This is useful to filter out the startup phase of the program, which is often very different. --T:: ---transaction:: - -Print statistics of transactional execution if supported. - EXAMPLES -------- diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 3ff8bd4..1632b0e 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -8,8 +8,7 @@ perf-timechart - Tool to visualize total system behavior during a workload SYNOPSIS -------- [verse] -'perf timechart' record <command> -'perf timechart' [<options>] +'perf timechart' {record} DESCRIPTION ----------- @@ -42,18 +41,6 @@ OPTIONS --symfs=<directory>:: Look for files with symbols relative to this directory. -EXAMPLES --------- - -$ perf timechart record git pull - - [ perf record: Woken up 13 times to write data ] - [ perf record: Captured and wrote 4.253 MB perf.data (~185801 samples) ] - -$ perf timechart - - Written 10.2 seconds of trace to output.svg. - SEE ALSO -------- linkperf:perf-record[1] diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 7de01dd..6a118e7 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -68,9 +68,7 @@ Default is to monitor all CPUS. -m <pages>:: --mmap-pages=<pages>:: - Number of mmap data pages (must be a power of two) or size - specification with appended unit character - B/K/M/G. The - size is rounded up to have nearest pages power of two value. + Number of mmapped data pages. -p <pid>:: --pid=<pid>:: @@ -114,8 +112,7 @@ Default is to monitor all CPUS. -s:: --sort:: - Sort by key(s): pid, comm, dso, symbol, parent, srcline, weight, - local_weight, abort, in_tx, transaction + Sort by key(s): pid, comm, dso, symbol, parent, srcline, weight, local_weight. -n:: --show-nr-samples:: @@ -150,14 +147,6 @@ Default is to monitor all CPUS. Setup and enable call-graph (stack chain/backtrace) recording, implies -G. ---max-stack:: - Set the stack depth limit when parsing the callchain, anything - beyond the specified depth will be ignored. This is a trade-off - between information loss and faster processing especially for - workloads that can have a very long callchain stack. - - Default: 127 - --ignore-callees=<regex>:: Ignore callees of the function(s) matching the given regex. This has the effect of collecting the callers of each such diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index fae38d9..daccd2c 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -9,7 +9,6 @@ SYNOPSIS -------- [verse] 'perf trace' -'perf trace record' DESCRIPTION ----------- @@ -17,14 +16,9 @@ This command will show the events associated with the target, initially syscalls, but other system events like pagefaults, task lifetime events, scheduling events, etc. -This is a live mode tool in addition to working with perf.data files like -the other perf tools. Files can be generated using the 'perf record' command -but the session needs to include the raw_syscalls events (-e 'raw_syscalls:*'). -Alernatively, the 'perf trace record' can be used as a shortcut to -automatically include the raw_syscalls events when writing events to a file. - -The following options apply to perf trace; options to perf trace record are -found in the perf record man page. +Initially this is a live mode only tool, but eventually will work with +perf.data files like the other tools, allowing a detached 'record' from +analysis phases. OPTIONS ------- @@ -65,9 +59,7 @@ OPTIONS -m:: --mmap-pages=:: - Number of mmap data pages (must be a power of two) or size - specification with appended unit character - B/K/M/G. The - size is rounded up to have nearest pages power of two value. + Number of mmap data pages. Must be a power of two. -C:: --cpu:: @@ -86,27 +78,6 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs. --input Process events from a given perf data file. --T ---time - Print full timestamp rather time relative to first sample. - ---comm:: - Show process COMM right beside its ID, on by default, disable with --no-comm. - --s:: ---summary:: - Show only a summary of syscalls by thread with min, max, and average times - (in msec) and relative stddev. - --S:: ---with-summary:: - Show all syscalls followed by a summary by thread with min, max, and - average times (in msec) and relative stddev. - ---tool_stats:: - Show tool stats such as number of times fd->pathname was discovered thru - hooking the open syscall return + vfs_getname or via reading /proc/pid/fd, etc. - SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script[1] |