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Subject[PATCH 5.15 736/846] Documentation: coresight: Fix documentation issue
Date
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::


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