|
@@ -29,13 +29,67 @@ OPTIONS
|
|
|
Select the PMU event. Selection can be a symbolic event name
|
|
|
(use 'perf list' to list all events) or a raw PMU
|
|
|
event (eventsel+umask) in the form of rNNN where NNN is a
|
|
|
- hexadecimal event descriptor.
|
|
|
+ hexadecimal event descriptor.
|
|
|
|
|
|
-a::
|
|
|
- system-wide collection
|
|
|
+ System-wide collection.
|
|
|
|
|
|
-l::
|
|
|
- scale counter values
|
|
|
+ Scale counter values.
|
|
|
+
|
|
|
+-p::
|
|
|
+--pid=::
|
|
|
+ Record events on existing pid.
|
|
|
+
|
|
|
+-r::
|
|
|
+--realtime=::
|
|
|
+ Collect data with this RT SCHED_FIFO priority.
|
|
|
+-A::
|
|
|
+--append::
|
|
|
+ Append to the output file to do incremental profiling.
|
|
|
+
|
|
|
+-f::
|
|
|
+--force::
|
|
|
+ Overwrite existing data file.
|
|
|
+
|
|
|
+-c::
|
|
|
+--count=::
|
|
|
+ Event period to sample.
|
|
|
+
|
|
|
+-o::
|
|
|
+--output=::
|
|
|
+ Output file name.
|
|
|
+
|
|
|
+-i::
|
|
|
+--inherit::
|
|
|
+ Child tasks inherit counters.
|
|
|
+-F::
|
|
|
+--freq=::
|
|
|
+ Profile at this frequency.
|
|
|
+
|
|
|
+-m::
|
|
|
+--mmap-pages=::
|
|
|
+ Number of mmap data pages.
|
|
|
+
|
|
|
+-g::
|
|
|
+--call-graph::
|
|
|
+ Do call-graph (stack chain/backtrace) recording.
|
|
|
+
|
|
|
+-v::
|
|
|
+--verbose::
|
|
|
+ Be more verbose (show counter open errors, etc).
|
|
|
+
|
|
|
+-s::
|
|
|
+--stat::
|
|
|
+ Per thread counts.
|
|
|
+
|
|
|
+-d::
|
|
|
+--data::
|
|
|
+ Sample addresses.
|
|
|
+
|
|
|
+-n::
|
|
|
+--no-samples::
|
|
|
+ Don't sample.
|
|
|
|
|
|
SEE ALSO
|
|
|
--------
|