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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2020-09-10 14:39:07 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-09-22 03:06:04 +0200 |
| commit | 4114fbfd02f12d7a58cc4bd6fc36e0925266f9f7 (patch) | |
| tree | f06b5a81e01aacecff5b8bd171343fca59e34a80 /kernel/trace/trace.h | |
| parent | tracing: Enable adding dynamic events early stage (diff) | |
| download | linux-4114fbfd02f12d7a58cc4bd6fc36e0925266f9f7.tar.xz linux-4114fbfd02f12d7a58cc4bd6fc36e0925266f9f7.zip | |
tracing: Enable creating new instance early boot
Enable creating new trace_array instance in early boot stage.
If the instances directory is not created, postpone it until
the tracefs is initialized.
Link: https://lkml.kernel.org/r/159974154763.478751.6289753509587233103.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 0d3a405fe446..525434145eea 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1125,6 +1125,8 @@ extern int ftrace_is_dead(void); int ftrace_create_function_files(struct trace_array *tr, struct dentry *parent); void ftrace_destroy_function_files(struct trace_array *tr); +int ftrace_allocate_ftrace_ops(struct trace_array *tr); +void ftrace_free_ftrace_ops(struct trace_array *tr); void ftrace_init_global_array_ops(struct trace_array *tr); void ftrace_init_array_ops(struct trace_array *tr, ftrace_func_t func); void ftrace_reset_array_ops(struct trace_array *tr); @@ -1146,6 +1148,11 @@ ftrace_create_function_files(struct trace_array *tr, { return 0; } +static inline int ftrace_allocate_ftrace_ops(struct trace_array *tr) +{ + return 0; +} +static inline void ftrace_free_ftrace_ops(struct trace_array *tr) { } static inline void ftrace_destroy_function_files(struct trace_array *tr) { } static inline __init void ftrace_init_global_array_ops(struct trace_array *tr) { } |