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-rw-r--r--kernel/trace/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 254328dec67..81a17ef6b94 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -116,6 +116,18 @@ config CONTEXT_SWITCH_TRACER
This tracer gets called from the context switch and records
all switching of tasks.
+config BOOT_TRACER
+ bool "Trace boot initcalls"
+ depends on HAVE_FTRACE
+ depends on DEBUG_KERNEL
+ select TRACING
+ help
+ This tracer helps developers to optimize boot times: it records
+ the timings of the initcalls. Its aim is to be parsed by the
+ /scripts/bootgraph.pl tool to produce pretty graphics about
+ boot inefficiencies, giving a visual representation of the
+ delays during initcalls.
+
config STACK_TRACER
bool "Trace max stack"
depends on HAVE_FTRACE