X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=b2745086f3860fab9062d5b24ed995d4cfab9325;hp=e282a9c7699845ae4a15e4a9216fa81f812f9020;hb=6e21424e11f47edb885c7f92ae1cae69eee0ed8e;hpb=753873bfbbfd0d7adb26c96223999a901ae46fd5

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index e282a9c76..b2745086f 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -2797,6 +2797,18 @@ static int init_kernel_tracer(void)
 		goto error_modules;
 	}
 
+	ret = kernel_supports_ring_buffer_snapshot_sample_positions(
+			kernel_tracer_fd);
+	if (ret < 0) {
+		goto error_modules;
+	}
+
+	if (ret < 1) {
+		WARN("Kernel tracer does not support buffer monitoring. "
+			"The monitoring timer of channels in the kernel domain "
+			"will be set to 0 (disabled).");
+	}
+
 	DBG("Kernel tracer fd %d", kernel_tracer_fd);
 	return 0;