Fix: use printk_once() for wrapper warning messages

[lttng-modules.git] / wrapper / trace-clock.h

diff --git a/wrapper/trace-clock.h b/wrapper/trace-clock.h
index 1d14cb9bd1b4457950f2aa74a933fdb6a50394ee..3e8780da167ffa4b3c832eea7e8756c647091c29 100644 (file)
--- a/wrapper/trace-clock.h
+++ b/wrapper/trace-clock.h
@@ -175,13 +175,13 @@ static inline const char *trace_clock_description_monotonic(void)
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0))
 static inline int get_trace_clock(void)
 {
-       printk(KERN_WARNING "LTTng: Using mainline kernel monotonic fast clock, which is NMI-safe.\n");
+       printk_once(KERN_WARNING "LTTng: Using mainline kernel monotonic fast clock, which is NMI-safe.\n");
        return 0;
 }
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)) */
 static inline int get_trace_clock(void)
 {
-       printk(KERN_WARNING "LTTng: Using mainline kernel monotonic clock. NMIs will not be traced.\n");
+       printk_once(KERN_WARNING "LTTng: Using mainline kernel monotonic clock. NMIs will not be traced.\n");
        return 0;
 }
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)) */