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-rw-r--r--kernel/trace/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 420ff4bc67fd..a2e963985a29 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -121,6 +121,13 @@ config TRACING
select EVENT_TRACING
select TRACE_CLOCK
+config GLOBAL_TRACE_BUF_SIZE
+ int
+ prompt "Global ftrace buffer size (for trace_printk)" if EXPERT
+ range 0 4194034
+ default 1441792 # 16384 * 88 (sizeof(struct print_entry))
+ depends on TRACING
+
config GENERIC_TRACER
bool
select TRACING