Import/Export final touches

internal/cmd/profiles.go

@@ -0,0 +1,54 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"runtime/pprof"
+)
+
+// StartCPUProfile starts CPU pprof.
+func StartCPUProfile() {
+	f, err := os.Create("./cpu.pprof")
+	if err != nil {
+		log.Fatal("Could not create CPU profile: ", err)
+	}
+	if err := pprof.StartCPUProfile(f); err != nil {
+		log.Fatal("Could not start CPU profile: ", err)
+	}
+}
+
+// MakeMemoryProfile generates memory pprof.
+func MakeMemoryProfile() {
+	name := "./mem.pprof"
+	f, err := os.Create(name)
+	if err != nil {
+		log.Fatal("Could not create memory profile: ", err)
+	}
+	if abs, err := filepath.Abs(name); err == nil {
+		name = abs
+	}
+	log.Info("Writing memory profile to ", name)
+	runtime.GC() // get up-to-date statistics
+	if err := pprof.WriteHeapProfile(f); err != nil {
+		log.Fatal("Could not write memory profile: ", err)
+	}
+	_ = f.Close()
+}