linux-kernel - [PATCH 5.16 0910/1039] Documentation: coresight: Fix documentation issue

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Message-Id: <20220124184155.889896289@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:44:59 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, German Gomex <german.gomez@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
Subject: [PATCH 5.16 0910/1039] Documentation: coresight: Fix documentation issue

From: Mike Leach <mike.leach@...aro.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@....com>
Signed-off-by: Mike Leach <mike.leach@...aro.org>
Link: https://lore.kernel.org/r/20211117164220.14883-1-mike.leach@linaro.org
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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::