diff --git a/share/man/man9/EVENTHANDLER.9 b/share/man/man9/EVENTHANDLER.9
index c38bb3d6c93a..b369e2f03258 100644
--- a/share/man/man9/EVENTHANDLER.9
+++ b/share/man/man9/EVENTHANDLER.9
@@ -318,8 +318,14 @@ Callbacks invoked after a linker file has been successfully unloaded.
 Callbacks invoked before a linker file is about to be unloaded.
 These callbacks may be used to return an error and prevent the unload from
 proceeding.
+.It Vt livedumper_start
+Callback invoked before beginning a kernel dump of the live system.
+.It Vt livedumper_dump
+Callback invoked for each dumped block of data during a live kernel dump.
+.It Vt livedumper_finish
+Callback invoked once a live kernel dump has completed.
 .It Vt lle_event
-Callback invoked when an link layer event has happened.
+Callback invoked when a link layer event has happened.
 .It Vt nmbclusters_change
 Callback invoked when the number of mbuf clusters has changed.
 .It Vt nmbufs_change
diff --git a/sys/kern/kern_vnodedumper.c b/sys/kern/kern_vnodedumper.c
index c8fdce5e550a..cd20f4f2fab4 100644
--- a/sys/kern/kern_vnodedumper.c
+++ b/sys/kern/kern_vnodedumper.c
@@ -31,6 +31,7 @@
 #include <sys/conf.h>
 #include <sys/caprights.h>
 #include <sys/disk.h>
+#include <sys/eventhandler.h>
 #include <sys/fcntl.h>
 #include <sys/file.h>
 #include <sys/kerneldump.h>
@@ -111,9 +112,15 @@ livedump_start(int fd, int flags, uint8_t compression)
 	rl_cookie = vn_rangelock_wlock(vp, 0, OFF_MAX);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 
+	EVENTHANDLER_INVOKE(livedumper_start, &error);
+	if (error != 0)
+		goto out;
+
 	dump_savectx();
 	error = minidumpsys(livedi, true);
 
+	EVENTHANDLER_INVOKE(livedumper_finish);
+out:
 	VOP_UNLOCK(vp);
 	vn_rangelock_unlock(vp, rl_cookie);
 	sx_xunlock(&livedump_sx);
@@ -162,6 +169,10 @@ vnode_dump(void *arg, void *virtual, vm_offset_t physical __unused,
 	MPASS(vp != NULL);
 	ASSERT_VOP_LOCKED(vp, __func__);
 
+	EVENTHANDLER_INVOKE(livedumper_dump, virtual, offset, length, &error);
+	if (error != 0)
+		return (error);
+
 	/* Done? */
 	if (virtual == NULL)
 		return (0);
diff --git a/sys/sys/kerneldump.h b/sys/sys/kerneldump.h
index 2c73790bc81d..637eab5c39e5 100644
--- a/sys/sys/kerneldump.h
+++ b/sys/sys/kerneldump.h
@@ -164,6 +164,15 @@ extern int do_minidump;
 
 int livedump_start(int, int, uint8_t);
 
+/* Live minidump events */
+typedef void (*livedump_start_fn)(void *arg, int *errorp);
+typedef void (*livedump_dump_fn)(void *arg, void *virtual, off_t offset,
+    size_t len, int *errorp);
+typedef void (*livedump_finish_fn)(void *arg);
+EVENTHANDLER_DECLARE(livedumper_start, livedump_start_fn);
+EVENTHANDLER_DECLARE(livedumper_dump, livedump_dump_fn);
+EVENTHANDLER_DECLARE(livedumper_finish, livedump_finish_fn);
+
 #endif
 
 #endif /* _SYS_KERNELDUMP_H */