manager: print keep alive to stdout

Print a message with total number of programs executed every 10 seconds.
Helps to understand if this thing is working or not.

2 files changed, 21 insertions, 4 deletions

diff --git a/syz-manager/html.go b/syz-manager/html.go
index 5b74911f1..f53791f2b 100644
--- a/syz-manager/html.go
+++ b/syz-manager/html.go
@@ -59,14 +59,14 @@ func (mgr *Manager) httpInfo(w http.ResponseWriter, r *http.Request) {
 
 	secs := uint64(uptime) / 1e9
 	for k, v := range mgr.stats {
-		val := ""
+		val := fmt.Sprintf("%v", v)
 		if x := v / secs; x >= 10 {
-			val = fmt.Sprintf("%v/sec", x)
+			val += fmt.Sprintf(" (%v/sec)", x)
 		} else if x := v * 60 / secs; x >= 10 {
-			val = fmt.Sprintf("%v/min", x)
+			val += fmt.Sprintf(" (%v/min)", x)
 		} else {
 			x := v * 60 * 60 / secs
-			val = fmt.Sprintf("%v/hour", x)
+			val += fmt.Sprintf(" (%v/hour)", x)
 		}
 		data.Stats = append(data.Stats, UIStat{Name: k, Value: val})
 	}
diff --git a/syz-manager/manager.go b/syz-manager/manager.go
index 25fa5f73e..2005ed7b7 100644
--- a/syz-manager/manager.go
+++ b/syz-manager/manager.go
@@ -187,6 +187,17 @@ func RunManager(cfg *config.Config, syscalls map[int]bool, suppressions []*regex
 	}
 
 	go func() {
+		for {
+			time.Sleep(10 * time.Second)
+			mgr.mu.Lock()
+			executed := mgr.stats["exec total"]
+			crashes := mgr.stats["crashes"]
+			mgr.mu.Unlock()
+			logf(0, "executed programs: %v, crashes: %v", executed, crashes)
+		}
+	}()
+
+	go func() {
 		c := make(chan os.Signal, 2)
 		signal.Notify(c, syscall.SIGINT)
 		<-c
@@ -256,6 +267,9 @@ func (mgr *Manager) runInstance(vmCfg *vm.Config, first bool) bool {
 		for _, re := range mgr.suppressions {
 			if re.Match(output) {
 				logf(1, "%v: suppressing '%v' with '%v'", vmCfg.Name, what, re.String())
+				mgr.mu.Lock()
+				mgr.stats["suppressed"]++
+				mgr.mu.Unlock()
 				return
 			}
 		}
@@ -275,6 +289,9 @@ func (mgr *Manager) runInstance(vmCfg *vm.Config, first bool) bool {
 		filename := fmt.Sprintf("crash-%v-%v", vmCfg.Name, time.Now().UnixNano())
 		logf(0, "%v: saving crash '%v' to %v", vmCfg.Name, what, filename)
 		ioutil.WriteFile(filepath.Join(mgr.crashdir, filename), output, 0660)
+		mgr.mu.Lock()
+		mgr.stats["crashes"]++
+		mgr.mu.Unlock()
 	}
 
 	var output []byte