diff options
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/itrace.txt | 1 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-config.txt | 2 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 19 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 1 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 5 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 9 |
6 files changed, 27 insertions, 10 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index d3740c8f399b..079cdfabb352 100644 --- a/tools/perf/Documentation/itrace.txt +++ b/tools/perf/Documentation/itrace.txt @@ -11,6 +11,7 @@ d create a debug log f synthesize first level cache events m synthesize last level cache events + M synthesize memory events t synthesize TLB events a synthesize remote access events g synthesize a call chain (use with i or x) diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 31069d8a5304..5c379adf8304 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -138,7 +138,7 @@ If you want to add or modify several config items, you can do like To modify the sort order of report functionality in user config file(i.e. `~/.perfconfig`), do - % perf config --user report sort-order=srcline + % perf config --user report.sort-order=srcline To change colors of selected line to other foreground and background colors in system config file (i.e. `$(sysconf)/perfconfig`), do diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 768888b9326a..34cf651ee237 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -293,6 +293,9 @@ OPTIONS --phys-data:: Record the sample physical addresses. +--data-page-size:: + Record the sampled data address data page size. + -T:: --timestamp:: Record the sample timestamps. Use it with 'perf report -D' to see the @@ -634,11 +637,17 @@ endif::HAVE_LIBPFM[] --control=fifo:ctl-fifo[,ack-fifo]:: --control=fd:ctl-fd[,ack-fd]:: ctl-fifo / ack-fifo are opened and used as ctl-fd / ack-fd as follows. -Listen on ctl-fd descriptor for command to control measurement ('enable': enable events, -'disable': disable events, 'snapshot': AUX area tracing snapshot). Measurements can be -started with events disabled using --delay=-1 option. Optionally send control command -completion ('ack\n') to ack-fd descriptor to synchronize with the controlling process. -Example of bash shell script to enable and disable events during measurements: +Listen on ctl-fd descriptor for command to control measurement. + +Available commands: + 'enable' : enable events + 'disable' : disable events + 'snapshot': AUX area tracing snapshot). + +Measurements can be started with events disabled using --delay=-1 option. Optionally +send control command completion ('ack\n') to ack-fd descriptor to synchronize with the +controlling process. Example of bash shell script to enable and disable events during +measurements: #!/bin/bash diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index d068103690cc..8f7f4e9605d8 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -150,6 +150,7 @@ OPTIONS - snoop: type of snoop (if any) for the data at the time of the sample - dcacheline: the cacheline the data address is on at the time of the sample - phys_daddr: physical address of data being executed on at the time of sample + - data_page_size: the data page size of data being executed on at the time of sample And the default sort keys are changed to local_weight, mem, sym, dso, symbol_daddr, dso_daddr, snoop, tlb, locked, see '--mem-mode'. diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 4f712fb8f175..44d37210fc8f 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -116,8 +116,9 @@ OPTIONS --fields:: Comma separated list of fields to print. Options are: comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff, - srcline, period, iregs, uregs, brstack, brstacksym, flags, bpf-output, brstackinsn, - brstackoff, callindent, insn, insnlen, synth, phys_addr, metric, misc, srccode, ipc. + srcline, period, iregs, uregs, brstack, brstacksym, flags, bpf-output, + brstackinsn, brstackoff, callindent, insn, insnlen, synth, phys_addr, + metric, misc, srccode, ipc, data_page_size. Field list can be prepended with the type, trace, sw or hw, to indicate to which event type the field list applies. e.g., -F sw:comm,tid,time,ip,sym and -F trace:time,cpu,trace diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 9f9f29025e49..5d4a673d7621 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -168,8 +168,9 @@ command line can be used: 'perf stat -e cycles -G cgroup_name -a -e cycles'. --for-each-cgroup name:: Expand event list for each cgroup in "name" (allow multiple cgroups separated -by comma). This has same effect that repeating -e option and -G option for -each event x name. This option cannot be used with -G/--cgroup option. +by comma). It also support regex patterns to match multiple groups. This has same +effect that repeating -e option and -G option for each event x name. This option +cannot be used with -G/--cgroup option. -o file:: --output file:: @@ -316,6 +317,10 @@ small group that need not have multiplexing is lowered. This option forbids the event merging logic from sharing events between groups and may be used to increase accuracy in this case. +--quiet:: +Don't print output. This is useful with perf stat record below to only +write data to the perf.data file. + STAT RECORD ----------- Stores stat data into perf data file. |