X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.c;h=fffa64c87dd79cdec16e53380b5ba0003b257d44;hp=839a8600e2a3a94ca3eab38b03863138225758fa;hb=b007ec59a0b4fef96860cc92325795890191af11;hpb=b0880ae543e5a637f05aeda604e958efb523a224

diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c
index 839a8600e..fffa64c87 100644
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -470,6 +470,16 @@ int kernctl_snapshot(int fd)
 	return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_SNAPSHOT);
 }
 
+/*
+ * Get a snapshot of the current ring buffer producer and consumer positions,
+ * regardless of whether or not the two positions are contained within the
+ * same sub-buffer.
+ */
+int kernctl_snapshot_sample_positions(int fd)
+{
+	return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS);
+}
+
 /* Get the consumer position (iteration start) */
 int kernctl_snapshot_get_consumed(int fd, unsigned long *pos)
 {