Re: [PATCH V3] tracing/timerlat: Hotplug support for the user-space interface

[Steven Rostedt <rostedt@goodmis.org>]

On Wed, 4 Oct 2023 08:17:31 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> #!/bin/bash
> 
> find_debugfs() {
>     debugfs=`cat /proc/mounts | while read mount dir type opts a b; do
> 	if [ $mount == "debugfs" ]; then

I guess I should update this to look for tracefs. This script is actually
older than tracefs.

-- Steve


> 	    echo $dir;
> 	    break
> 	fi
>     done`
>     if [ -z "$debugfs" ]; then
> 	if ! mount -t debugfs nodev /sys/kernel/debug; then
> 	    echo "FAILED to mount debugfs"
> 	    exit -1
> 	fi
> 	echo "/sys/kernel/debug"
>     else
> 	echo $debugfs
>     fi
> }
> 
> debugfs=`find_debugfs`
> tracedir="$debugfs/tracing"