diff --git a/app/nginx-1.11.10/src/event/modules/ngx_ff_host_event_module.c b/app/nginx-1.11.10/src/event/modules/ngx_ff_host_event_module.c
index 311cffb7..ac5e3f83 100644
--- a/app/nginx-1.11.10/src/event/modules/ngx_ff_host_event_module.c
+++ b/app/nginx-1.11.10/src/event/modules/ngx_ff_host_event_module.c
@@ -332,10 +332,10 @@ ngx_ff_epoll_process_events(ngx_cycle_t *cycle,
     ngx_connection_t  *c;
 
     /* NGX_TIMER_INFINITE == INFTIM */
-
+/*
     ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
                    "epoll timer: %M", timer);
-
+*/
     events = epoll_wait(ep, event_list, (int) nevents, timer);
 
     err = (events == -1) ? ngx_errno : 0;
diff --git a/app/nginx-1.11.10/src/event/modules/ngx_kqueue_module.c b/app/nginx-1.11.10/src/event/modules/ngx_kqueue_module.c
index fc84e191..12a7dc71 100644
--- a/app/nginx-1.11.10/src/event/modules/ngx_kqueue_module.c
+++ b/app/nginx-1.11.10/src/event/modules/ngx_kqueue_module.c
@@ -534,8 +534,15 @@ ngx_kqueue_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
         tp = &ts;
     }
 
+#if (NGX_HAVE_FSTACK)
+    if (n > 0) {
+        ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
+                   "kevent timer: %M, changes: %d", timer, n);
+    }
+#else
     ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
                    "kevent timer: %M, changes: %d", timer, n);
+#endif
 
     events = kevent(ngx_kqueue, change_list, n, event_list, (int) nevents, tp);
 
@@ -545,8 +552,10 @@ ngx_kqueue_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
         ngx_time_update();
     }
 
+#if !(NGX_HAVE_FSTACK)
     ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
                    "kevent events: %d", events);
+#endif
 
     if (err) {
         if (err == NGX_EINTR) {
diff --git a/app/nginx-1.11.10/src/event/ngx_event.c b/app/nginx-1.11.10/src/event/ngx_event.c
index 79f74162..01a2fe99 100644
--- a/app/nginx-1.11.10/src/event/ngx_event.c
+++ b/app/nginx-1.11.10/src/event/ngx_event.c
@@ -252,6 +252,8 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
 
     (void) ngx_process_events(cycle, timer, flags);
 
+    delta = ngx_current_msec - delta;
+
 #if (NGX_HAVE_FSTACK)
     /* handle message from kernel (PS: signals from master) in case of network inactivity */
     if (ngx_current_msec - initial >= ngx_schedule_timeout) {
@@ -260,13 +262,10 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
         /* Update timer*/
         initial = ngx_current_msec;
     }
-#endif
-
-    delta = ngx_current_msec - delta;
-
+#else
     ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
                    "timer delta: %M", delta);
-
+#endif
     ngx_event_process_posted(cycle, &ngx_posted_accept_events);
 
     if (ngx_accept_mutex_held) {
diff --git a/app/nginx-1.11.10/src/os/unix/ngx_process_cycle.c b/app/nginx-1.11.10/src/os/unix/ngx_process_cycle.c
index 34c90291..aea167ac 100644
--- a/app/nginx-1.11.10/src/os/unix/ngx_process_cycle.c
+++ b/app/nginx-1.11.10/src/os/unix/ngx_process_cycle.c
@@ -829,7 +829,7 @@ ngx_worker_process_cycle_loop(void *arg)
         }
     }
 
-    ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
+    //ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
 
     ngx_process_events_and_timers(cycle);