diff options
| author | Cody P Schafer <cody@linux.vnet.ibm.com> | 2015-01-07 17:13:53 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-01-21 13:24:33 -0300 |
| commit | f9ab9c196d015f3bd8f6bd1c30785c5a49542323 (patch) | |
| tree | 1ed52e10de1c9bc443e4fbe0c6775d725a999067 /tools/perf/Documentation/perf-record.txt | |
| parent | 98a43e0e9917059da32db89829b0eb95453a11ee (diff) | |
perf tools: Document parameterized and symbolic events
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Cody P Schafer <dev@codyps.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/1420679633-28856-5-git-send-email-sukadev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index af9a54ece024..7d8df2e5edd8 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -33,6 +33,18 @@ OPTIONS - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - a symbolically formed PMU event like 'pmu/param1=0x3,param2/' where + 'param1', 'param2', etc are defined as formats for the PMU in + /sys/bus/event_sources/devices/<pmu>/format/*. + + - a symbolically formed event like 'pmu/config=M,config1=N,config3=K/' + + where M, N, K are numbers (in decimal, hex, octal format). Acceptable + values for each of 'config', 'config1' and 'config2' are defined by + corresponding entries in /sys/bus/event_sources/devices/<pmu>/format/* + param1 and param2 are defined as formats for the PMU in: + /sys/bus/event_sources/devices/<pmu>/format/* + - a hardware breakpoint event in the form of '\mem:addr[:access]' where addr is the address in memory you want to break in. Access is the memory access type (read, write, execute) it can |