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authorRoss Zwisler <zwisler@chromium.org>2023-01-25 22:32:51 +0100
committerJonathan Corbet <corbet@lwn.net>2023-01-31 22:02:30 +0100
commit2abfcd293b79baf62895894fa3ea2386ffbe6338 (patch)
treeb74867f24b7c6d6b6909856063d6c184a29195e0 /Documentation/hid
parentDoc/damon: fix the data path error (diff)
downloadlinux-2abfcd293b79baf62895894fa3ea2386ffbe6338.tar.xz
linux-2abfcd293b79baf62895894fa3ea2386ffbe6338.zip
docs: ftrace: always use canonical ftrace path
The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when mounting the debugfs file system, the tracefs file system will be automatically mounted at: /sys/kernel/debug/tracing Many parts of Documentation still reference this older debugfs path, so let's update them to avoid confusion. Signed-off-by: Ross Zwisler <zwisler@google.com> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> Link: https://lore.kernel.org/r/20230125213251.2013791-1-zwisler@google.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/hid')
-rw-r--r--Documentation/hid/intel-ish-hid.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/hid/intel-ish-hid.rst b/Documentation/hid/intel-ish-hid.rst
index 7a851252267a..53763a2e74ba 100644
--- a/Documentation/hid/intel-ish-hid.rst
+++ b/Documentation/hid/intel-ish-hid.rst
@@ -344,8 +344,8 @@ Documentation/ABI/testing/sysfs-bus-iio for IIO ABIs to user space.
To debug ISH, event tracing mechanism is used. To enable debug logs::
- echo 1 > /sys/kernel/debug/tracing/events/intel_ish/enable
- cat /sys/kernel/debug/tracing/trace
+ echo 1 > /sys/kernel/tracing/events/intel_ish/enable
+ cat /sys/kernel/tracing/trace
3.8 ISH IIO sysfs Example on Lenovo thinkpad Yoga 260
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