selftests: use canonical ftrace path
authorRoss Zwisler <zwisler@google.com>
Mon, 13 Mar 2023 21:17:43 +0000 (15:17 -0600)
committerSteven Rostedt (Google) <rostedt@goodmis.org>
Wed, 29 Mar 2023 10:52:07 +0000 (06:52 -0400)
commit4336cc15b9f7b34bc0ddc85c76f71be6a0355028
tree3aa96099be95925a80d6f2f20aba25b4c055e197
parent8be098a9eb2710bc5381ba1ebaac660f8d9b6963
selftests: 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

A few spots in tools/testing/selftests still refer to this older debugfs
path, so let's update them to avoid confusion.

Link: https://lkml.kernel.org/r/20230313211746.1541525-1-zwisler@kernel.org
Cc: "Tobin C. Harding" <me@tobin.cc>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tycho Andersen <tycho@tycho.pizza>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Ross Zwisler <zwisler@google.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
tools/testing/selftests/mm/protection_keys.c
tools/testing/selftests/user_events/dyn_test.c
tools/testing/selftests/user_events/ftrace_test.c
tools/testing/selftests/user_events/perf_test.c