diff options
| author | Florent Revest <revest@chromium.org> | 2023-03-21 15:04:19 +0100 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-03-21 13:42:12 -0400 |
| commit | 23edf48309b14a201481b75fba049802eaf0baa6 (patch) | |
| tree | e57ddfac1d8f16bfbaa9d846aa52ced3259166e7 /kernel/trace/trace_selftest.c | |
| parent | 59495740f79524bebe4ecb8097cf206f86587b25 (diff) | |
ftrace: Replace uses of _ftrace_direct APIs with _ftrace_direct_multi
The _multi API requires that users keep their own ops but can enforce
that an op is only associated to one direct call.
Link: https://lkml.kernel.org/r/20230321140424.345218-3-revest@chromium.org
Signed-off-by: Florent Revest <revest@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_selftest.c')
| -rw-r--r-- | kernel/trace/trace_selftest.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index ff0536cea968..9ce80b3ad06d 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -785,6 +785,7 @@ static struct fgraph_ops fgraph_ops __initdata = { }; #ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS +static struct ftrace_ops direct; #ifndef CALL_DEPTH_ACCOUNT #define CALL_DEPTH_ACCOUNT "" #endif @@ -870,8 +871,8 @@ trace_selftest_startup_function_graph(struct tracer *trace, * Register direct function together with graph tracer * and make sure we get graph trace. */ - ret = register_ftrace_direct((unsigned long) DYN_FTRACE_TEST_NAME, - (unsigned long) trace_direct_tramp); + ftrace_set_filter_ip(&direct, (unsigned long)DYN_FTRACE_TEST_NAME, 0, 0); + ret = register_ftrace_direct_multi(&direct, (unsigned long)trace_direct_tramp); if (ret) goto out; @@ -891,8 +892,9 @@ trace_selftest_startup_function_graph(struct tracer *trace, unregister_ftrace_graph(&fgraph_ops); - ret = unregister_ftrace_direct((unsigned long) DYN_FTRACE_TEST_NAME, - (unsigned long) trace_direct_tramp); + ret = unregister_ftrace_direct_multi(&direct, + (unsigned long) trace_direct_tramp, + true); if (ret) goto out; |