diff options
Diffstat (limited to 'tools/perf/Documentation/perf-script.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 9b0d04dd2a61..d4e2e18a5881 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -117,7 +117,7 @@ OPTIONS 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. + brstackoff, callindent, insn, insnlen, synth, phys_addr, metric, misc, srccode, ipc. 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 @@ -203,6 +203,9 @@ OPTIONS The synth field is used by synthesized events which may be created when Instruction Trace decoding. + The ipc (instructions per cycle) field is synthesized and may have a value when + Instruction Trace decoding. + Finally, a user may not set fields to none for all event types. i.e., -F "" is not allowed. @@ -313,6 +316,9 @@ OPTIONS --show-round-events Display finished round events i.e. events of type PERF_RECORD_FINISHED_ROUND. +--show-bpf-events + Display bpf events i.e. events of type PERF_RECORD_KSYMBOL and PERF_RECORD_BPF_EVENT. + --demangle:: Demangle symbol names to human readable form. It's enabled by default, disable with --no-demangle. @@ -355,12 +361,13 @@ include::itrace.txt[] --time:: Only analyze samples within given time window: <start>,<stop>. Times - have the format seconds.microseconds. If start is not given (i.e., time + have the format seconds.nanoseconds. If start is not given (i.e. time string is ',x.y') then analysis starts at the beginning of the file. If - stop time is not given (i.e, time string is 'x.y,') then analysis goes - to end of file. + stop time is not given (i.e. time string is 'x.y,') then analysis goes + to end of file. Multiple ranges can be separated by spaces, which + requires the argument to be quoted e.g. --time "1234.567,1234.789 1235," - Also support time percent with multipe time range. Time string is + Also support time percent with multiple time ranges. Time string is 'a%/n,b%/m,...' or 'a%-b%,c%-%d,...'. For example: |