X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=wrapper%2Ftrace-clock.c;h=d9bc956acb44c70c140520abea0340f1fe13702b;hb=254adeb07f36a347cfe50e9eb9f8fb211e0dcaba;hp=23869ca831a79069d0f6336c5df1b2d834449919;hpb=35d30e5b4b5060c08302589d56a97cbbdd415993;p=lttng-modules.git

diff --git a/wrapper/trace-clock.c b/wrapper/trace-clock.c
index 23869ca8..d9bc956a 100644
--- a/wrapper/trace-clock.c
+++ b/wrapper/trace-clock.c
@@ -27,3 +27,7 @@
 DEFINE_PER_CPU(local_t, lttng_last_tsc);
 EXPORT_PER_CPU_SYMBOL(lttng_last_tsc);
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
+
+#ifdef LTTNG_CLOCK_NMI_SAFE_BROKEN
+#warning "Your kernel implements a bogus nmi-safe clock source. Falling back to the non-nmi-safe clock source, which discards events traced from NMI context. Upgrade your kernel to resolve this situation."
+#endif