diff options
Diffstat (limited to 'kernel/trace/Kconfig')
| -rw-r--r-- | kernel/trace/Kconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index c1a62ae7e812..799dbcfe65ad 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -545,7 +545,7 @@ config KPROBE_EVENTS_ON_NOTRACE using kprobe events. If kprobes can use ftrace instead of breakpoint, ftrace related - functions are protected from kprobe-events to prevent an infinit + functions are protected from kprobe-events to prevent an infinite recursion or any unexpected execution path which leads to a kernel crash. @@ -886,6 +886,10 @@ config PREEMPTIRQ_DELAY_TEST irq-disabled critical sections for 500us: modprobe preemptirq_delay_test test_mode=irq delay=500 burst_size=3 + What's more, if you want to attach the test on the cpu which the latency + tracer is running on, specify cpu_affinity=cpu_num at the end of the + command. + If unsure, say N config SYNTH_EVENT_GEN_TEST |