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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 A comment in kvm_stat still refers to this older debugfs path, so let's update it to avoid confusion. Link: https://lkml.kernel.org/r/[email protected] Cc: "Tobin C. Harding" <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Shuah Khan <[email protected]> Cc: Tycho Andersen <[email protected]> Acked-by: Paolo Bonzini <[email protected]> Reviewed-by: Steven Rostedt (Google) <[email protected]> Reviewed-by: Mukesh Ojha <[email protected]> Signed-off-by: Ross Zwisler <[email protected]> Signed-off-by: Steven Rostedt (Google) <[email protected]>