manager: measure execution speed starting from first VM connect

Currently execution speed is considerably skewed on start
because we take into account VM boot time.

2 files changed, 9 insertions, 1 deletions

diff --git a/syz-manager/html.go b/syz-manager/html.go
index f53791f2b..ae8a6e088 100644
--- a/syz-manager/html.go
+++ b/syz-manager/html.go
@@ -57,7 +57,10 @@ func (mgr *Manager) httpInfo(w http.ResponseWriter, r *http.Request) {
 		data.CallCoverMem += len(cov) * int(unsafe.Sizeof(cov[0]))
 	}
 
-	secs := uint64(uptime) / 1e9
+	secs := uint64(1)
+	if !mgr.firstConnect.IsZero() {
+		secs = uint64(time.Since(mgr.firstConnect))/1e9 + 1
+	}
 	for k, v := range mgr.stats {
 		val := fmt.Sprintf("%v", v)
 		if x := v / secs; x >= 10 {
diff --git a/syz-manager/manager.go b/syz-manager/manager.go
index 0c80de938..a5975379a 100644
--- a/syz-manager/manager.go
+++ b/syz-manager/manager.go
@@ -46,6 +46,7 @@ type Manager struct {
 	port             int
 	persistentCorpus *PersistentSet
 	startTime        time.Time
+	firstConnect     time.Time
 	stats            map[string]uint64
 	shutdown         uint32
 
@@ -439,6 +440,10 @@ func (mgr *Manager) Connect(a *ConnectArgs, r *ConnectRes) error {
 	mgr.mu.Lock()
 	defer mgr.mu.Unlock()
 
+	if mgr.firstConnect.IsZero() {
+		mgr.firstConnect = time.Now()
+	}
+
 	mgr.stats["vm restarts"]++
 	mgr.minimizeCorpus()
 	mgr.fuzzers[a.Name] = &Fuzzer{