diff options
| author | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-08-18 19:42:58 +0900 |
|---|---|---|
| committer | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-09-25 23:23:44 +0900 |
| commit | d5dbf8b48a4620db771f399ed7fce32d447f04a6 (patch) | |
| tree | d54b094ee6bdd200eb462c68c6bfaf961210af5a /kernel | |
| parent | ce4db753de21abfb7516ef64aff907813e8a8e3e (diff) | |
tracepoint: Support iterating over tracepoints on modules
Add for_each_module_tracepoint() for iterating over tracepoints
on modules. This is similar to the for_each_kernel_tracepoint()
but only for the tracepoints on modules (not including kernel
built-in tracepoints).
Link: https://lore.kernel.org/all/172397777800.286558.14554748203446214056.stgit@devnote2/
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/tracepoint.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 8d1507dd0724..bed4aad36d92 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -735,6 +735,27 @@ static __init int init_tracepoints(void) return ret; } __initcall(init_tracepoints); + +/** + * for_each_module_tracepoint - iteration on all tracepoints in all modules + * @fct: callback + * @priv: private data + */ +void for_each_module_tracepoint(void (*fct)(struct tracepoint *tp, void *priv), + void *priv) +{ + struct tp_module *tp_mod; + struct module *mod; + + mutex_lock(&tracepoint_module_list_mutex); + list_for_each_entry(tp_mod, &tracepoint_module_list, list) { + mod = tp_mod->mod; + for_each_tracepoint_range(mod->tracepoints_ptrs, + mod->tracepoints_ptrs + mod->num_tracepoints, + fct, priv); + } + mutex_unlock(&tracepoint_module_list_mutex); +} #endif /* CONFIG_MODULES */ /** |