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// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bench
import (
"testing"
"golang.org/x/tools/gopls/internal/lsp/command"
"golang.org/x/tools/gopls/internal/lsp/protocol"
. "golang.org/x/tools/gopls/internal/lsp/regtest"
)
// BenchmarkInitialWorkspaceLoad benchmarks the initial workspace load time for
// a new editing session.
func BenchmarkInitialWorkspaceLoad(b *testing.B) {
dir := benchmarkDir()
b.ResetTimer()
for i := 0; i < b.N; i++ {
env := newEnv(dir, b)
// TODO(rfindley): this depends on the repository being x/tools. Fix this.
env.OpenFile("internal/lsp/diagnostics.go")
env.Await(InitialWorkspaceLoad)
b.StopTimer()
params := &protocol.ExecuteCommandParams{
Command: command.MemStats.ID(),
}
var memstats command.MemStatsResult
env.ExecuteCommand(params, &memstats)
b.ReportMetric(float64(memstats.HeapAlloc), "alloc_bytes")
b.ReportMetric(float64(memstats.HeapInUse), "in_use_bytes")
env.Close()
b.StartTimer()
}
}
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