cmd/web: Enable pprof profiling

First step toward diagnosing #1.
jcrd · Mar 16, 2021 · e3d0788 · e3d0788
1 parent 8a30dbd
commit e3d0788
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/cmd/web/main.go b/cmd/web/main.go
@@ -6,6 +6,8 @@ import (
     "flag"
     "log"
     "net/http"
+    _ "net/http/pprof"
+    "runtime"
     "text/template"
     "time"
 
@@ -18,6 +20,11 @@ type Index struct {
     Scale int
 }
 
+func init() {
+    runtime.SetBlockProfileRate(1)
+    runtime.SetMutexProfileFraction(1)
+}
+
 func main() {
     update := flag.Duration("update", time.Second, "Delta update frequency")
     addr := flag.String("addr", ":3000", "http service address")