Merge tag 'trace-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[sfrench/cifs-2.6.git] / kernel / trace / Kconfig

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index f54b7b6b4a4bcbe50b207a2a40d8d64bf5acd12c..af7dad126c13cecbe73f5d797778f005b5838377 100644 (file)
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -160,6 +160,17 @@ config FUNCTION_GRAPH_TRACER
          address on the current task structure into a stack of calls.
 
 
+config PREEMPTIRQ_EVENTS
+       bool "Enable trace events for preempt and irq disable/enable"
+       select TRACE_IRQFLAGS
+       depends on DEBUG_PREEMPT || !PROVE_LOCKING
+       default n
+       help
+         Enable tracing of disable and enable events for preemption and irqs.
+         For tracing preempt disable/enable events, DEBUG_PREEMPT must be
+         enabled. For tracing irq disable/enable events, PROVE_LOCKING must
+         be disabled.
+
 config IRQSOFF_TRACER
        bool "Interrupts-off Latency Tracer"
        default n