 +    probe http__read__body__done(ngx_http_request_t *r);
 +    probe http__read__req__line__done(ngx_http_request_t *r);
 +    probe http__read__req__header__done(ngx_http_request_t *r, ngx_table_elt_t *h);
++    probe timer__add(ngx_event_t *ev, ngx_msec_t timer);
++    probe timer__del(ngx_event_t *ev);
++    probe timer__expire(ngx_event_t *ev);
 +};
 +
 +

+
diff --git a/src/dtrace/stap-nginx b/src/dtrace/stap-nginx
new file mode 100755
index 0000000..5127fbe
--- /dev/null
+++ b/src/dtrace/stap-nginx
@@ -0,0 +1,6 @@

+
+DTRACE_FROM_SYSTEMTAP=YES
diff --git a/auto/sources b/auto/sources
index 374ad66..b9e71ff 100644
--- a/auto/sources
+++ b/auto/sources
@@ -39,6 +39,11 @@ CORE_DEPS="src/core/nginx.h \
