diff options
| -rw-r--r-- | init/main.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/init/main.c b/init/main.c index 589d1226016e..6f6e6fc6f4b9 100644 --- a/init/main.c +++ b/init/main.c @@ -496,7 +496,14 @@ void __init __weak mem_encrypt_init(void) { } bool initcall_debug; core_param(initcall_debug, initcall_debug, bool, 0644); + +#ifdef TRACEPOINTS_ENABLED static void __init initcall_debug_enable(void); +#else +static inline void initcall_debug_enable(void) +{ +} +#endif /* * Set up kernel memory allocators @@ -832,6 +839,7 @@ trace_initcall_finish_cb(void *data, initcall_t fn, int ret) static ktime_t initcall_calltime; +#ifdef TRACEPOINTS_ENABLED static void __init initcall_debug_enable(void) { int ret; @@ -842,6 +850,22 @@ static void __init initcall_debug_enable(void) &initcall_calltime); WARN(ret, "Failed to register initcall tracepoints\n"); } +# define do_trace_initcall_start trace_initcall_start +# define do_trace_initcall_finish trace_initcall_finish +#else +static inline void do_trace_initcall_start(initcall_t fn) +{ + if (!initcall_debug) + return; + trace_initcall_start_cb(&initcall_calltime, fn); +} +static inline void do_trace_initcall_finish(initcall_t fn, int ret) +{ + if (!initcall_debug) + return; + trace_initcall_finish_cb(&initcall_calltime, fn, ret); +} +#endif /* !TRACEPOINTS_ENABLED */ int __init_or_module do_one_initcall(initcall_t fn) { @@ -852,9 +876,9 @@ int __init_or_module do_one_initcall(initcall_t fn) if (initcall_blacklisted(fn)) return -EPERM; - trace_initcall_start(fn); + do_trace_initcall_start(fn); ret = fn(); - trace_initcall_finish(fn, ret); + do_trace_initcall_finish(fn, ret); msgbuf[0] = 0; |