From: Mike Leach mike.leach@linaro.org
commit 66bd1333abd7fa191f13b929c9119d6cd3df27b0 upstream.
Fix the description of the directories and attributes used in cs_etm as used by perf.
Drop the references to the 'configurations' sub-directory which had been removed in an earlier version of the patchset.
Fixes: f71cd93d5ea4 ("Documentation: coresight: Add documentation for CoreSight config") Reported-by: German Gomex german.gomez@arm.com Signed-off-by: Mike Leach mike.leach@linaro.org Link: https://lore.kernel.org/r/20211117164220.14883-1-mike.leach@linaro.org Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- Documentation/trace/coresight/coresight-config.rst | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-)
--- a/Documentation/trace/coresight/coresight-config.rst +++ b/Documentation/trace/coresight/coresight-config.rst @@ -211,19 +211,13 @@ also declared in the perf 'cs_etm' event be selected when running trace under perf::
$ ls /sys/devices/cs_etm - configurations format perf_event_mux_interval_ms sinks type - events nr_addr_filters power + cpu0 cpu2 events nr_addr_filters power subsystem uevent + cpu1 cpu3 format perf_event_mux_interval_ms sinks type
-Key directories here are 'configurations' - which lists the loaded -configurations, and 'events' - a generic perf directory which allows -selection on the perf command line.:: +The key directory here is 'events' - a generic perf directory which allows +selection on the perf command line. As with the sinks entries, this provides +a hash of the configuration name.
- $ ls configurations/ - autofdo - $ cat configurations/autofdo - 0xa7c3dddd - -As with the sinks entries, this provides a hash of the configuration name. The entry in the 'events' directory uses perfs built in syntax generator to substitute the syntax for the name when evaluating the command::