param1 and param2 are defined as formats for the PMU in:
/sys/bus/event_source/devices/<pmu>/format/*
- There are also some params which are not defined in .../<pmu>/format/*.
+ There are also some parameters which are not defined in .../<pmu>/format/*.
These params can be used to overload default config values per event.
- Here is a list of the params.
+ Here are some common parameters:
- 'period': Set event sampling period
- 'freq': Set event sampling frequency
- 'time': Disable/enable time stamping. Acceptable values are 1 for
FP mode, "dwarf" for DWARF mode, "lbr" for LBR mode and
"no" for disable callgraph.
- 'stack-size': user stack size for dwarf mode
+
+ See the linkperf:perf-list[1] man page for more parameters.
+
Note: If user explicitly sets options which conflict with the params,
- the value set by the params will be overridden.
+ the value set by the parameters will be overridden.
Also not defined in .../<pmu>/format/* are PMU driver specific
configuration parameters. Any configuration parameter preceded by