1 files changed, 6 insertions, 0 deletions

diff --git a/sys/i386/i386/trap.c b/sys/i386/i386/trap.c
index de8f099461fbb..fd3c89c3e0bd6 100644
--- a/sys/i386/i386/trap.c
+++ b/sys/i386/i386/trap.c
@@ -983,6 +983,9 @@ syscall(frame)
 		ktrsyscall(code, narg, args);
 #endif
 
+	CTR4(KTR_SYSC, "syscall enter thread %p pid %d proc %s code %d", td,
+	    td->td_proc->p_pid, td->td_proc->p_comm, code);
+
 	/*
 	 * Try to run the syscall without Giant if the syscall
 	 * is MP safe.
@@ -1050,6 +1053,9 @@ syscall(frame)
 	 */
 	userret(td, &frame, sticks);
 
+	CTR4(KTR_SYSC, "syscall exit thread %p pid %d proc %s code %d", td,
+	    td->td_proc->p_pid, td->td_proc->p_comm, code);
+
 #ifdef KTRACE
 	if (KTRPOINT(td, KTR_SYSRET))
 		ktrsysret(code, error, td->td_retval[0]);