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https://github.com/golang/go
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06cc1d0a36
Add additional benchmarks following the pattern of symbol benchmarks. One for initial workspace load, and another for completion. Change-Id: Iba826b188cb81dffabb1b08287dc7b76250dc54c Reviewed-on: https://go-review.googlesource.com/c/tools/+/250802 Run-TryBot: Robert Findley <rfindley@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package regtest
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import (
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"context"
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"flag"
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"fmt"
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"testing"
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"time"
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)
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// Pilosa is a repository that has historically caused significant memory
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// problems for Gopls. We use it for a simple stress test that types
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// arbitrarily in a file with lots of dependents.
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var pilosaPath = flag.String("pilosa_path", "", "Path to a directory containing "+
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"github.com/pilosa/pilosa, for stress testing. Do not set this unless you "+
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"know what you're doing!")
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func stressTestOptions(dir string) []RunOption {
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return []RunOption{
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// Run in an existing directory, since we're trying to simulate known cases
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// that cause gopls memory problems.
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InExistingDir(dir),
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// Enable live debugging.
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WithDebugAddress(":8087"),
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// Skip logs as they buffer up memory unnaturally.
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SkipLogs(),
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// Similarly to logs: disable hooks so that they don't affect performance.
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SkipHooks(true),
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// The Debug server only makes sense if running in singleton mode.
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WithModes(Singleton),
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// Set a generous timeout. Individual tests should control their own
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// graceful termination.
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WithTimeout(20 * time.Minute),
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// Use the actual proxy, since we want our builds to succeed.
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WithGOPROXY("https://proxy.golang.org"),
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}
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}
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func TestPilosaStress(t *testing.T) {
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if *pilosaPath == "" {
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t.Skip("-pilosa_path not configured")
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}
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opts := stressTestOptions(*pilosaPath)
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withOptions(opts...).run(t, "", func(t *testing.T, env *Env) {
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files := []string{
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"cmd.go",
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"internal/private.pb.go",
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"roaring/roaring.go",
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"roaring/roaring_internal_test.go",
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"server/handler_test.go",
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}
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for _, file := range files {
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env.OpenFile(file)
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}
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ctx, cancel := context.WithTimeout(env.Ctx, 10*time.Minute)
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defer cancel()
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i := 1
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// MagicNumber is an identifier that occurs in roaring.go. Just change it
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// arbitrarily.
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env.RegexpReplace("roaring/roaring.go", "MagicNumber", fmt.Sprintf("MagicNumber%d", 1))
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for {
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select {
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case <-ctx.Done():
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return
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default:
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}
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env.RegexpReplace("roaring/roaring.go", fmt.Sprintf("MagicNumber%d", i), fmt.Sprintf("MagicNumber%d", i+1))
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time.Sleep(20 * time.Millisecond)
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i++
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}
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})
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}
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