diff options
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 4f424364d1c6..826267f5b650 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -87,6 +87,7 @@ void __init disable_tracing_selftest(const char *reason) static struct trace_iterator *tracepoint_print_iter; int tracepoint_printk; static bool tracepoint_printk_stop_on_boot __initdata; +static bool traceoff_after_boot __initdata; static DEFINE_STATIC_KEY_FALSE(tracepoint_printk_key); /* For tracers that don't implement custom flags */ @@ -330,6 +331,13 @@ static int __init set_tracepoint_printk_stop(char *str) } __setup("tp_printk_stop_on_boot", set_tracepoint_printk_stop); +static int __init set_traceoff_after_boot(char *str) +{ + traceoff_after_boot = true; + return 1; +} +__setup("traceoff_after_boot", set_traceoff_after_boot); + unsigned long long ns2usecs(u64 nsec) { nsec += 500; @@ -10709,6 +10717,9 @@ __init static int late_trace_init(void) tracepoint_printk = 0; } + if (traceoff_after_boot) + tracing_off(); + tracing_set_default_clock(); clear_boot_tracer(); return 0; |