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-rw-r--r--kernel/trace/Kconfig5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index d4a06e714645..7e06f04e98fe 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -134,7 +134,8 @@ config FUNCTION_TRACER
select KALLSYMS
select GENERIC_TRACER
select CONTEXT_SWITCH_TRACER
- select GLOB
+ select GLOB
+ select TASKS_RCU if PREEMPT
help
Enable the kernel to trace every kernel function. This is done
by using a compiler feature to insert a small, 5-byte No-Operation
@@ -455,7 +456,7 @@ config UPROBE_EVENTS
select UPROBES
select PROBE_EVENTS
select TRACING
- default n
+ default y
help
This allows the user to add tracing events on top of userspace
dynamic events (similar to tracepoints) on the fly via the trace