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