diff options
Diffstat (limited to 'tools/perf/Documentation/perf-script.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index dc3ec783b7bd..382ddfb45d1d 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -112,11 +112,11 @@ OPTIONS --debug-mode:: Do various checks like samples ordering and lost events. --f:: +-F:: --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, flags. + srcline, period, iregs, brstack, brstacksym, flags. 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 @@ -175,6 +175,16 @@ OPTIONS Finally, a user may not set fields to none for all event types. i.e., -f "" is not allowed. + The brstack output includes branch related information with raw addresses using the + /v/v/v/v/ syntax in the following order: + FROM: branch source instruction + TO : branch target instruction + M/P/-: M=branch target mispredicted or branch direction was mispredicted, P=target predicted or direction predicted, -=not supported + X/- : X=branch inside a transactional region, -=not in transaction region or not supported + A/- : A=TSX abort entry, -=not aborted region or not supported + + The brstacksym is identical to brstack, except that the FROM and TO addresses are printed in a symbolic form if possible. + -k:: --vmlinux=<file>:: vmlinux pathname @@ -249,6 +259,9 @@ include::itrace.txt[] --full-source-path:: Show the full path for source files for srcline output. +--ns:: + Use 9 decimal places when displaying time (i.e. show the nanoseconds) + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], |