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cmd/tailscaled: add a no-op test for profiling init-time memory allocs

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Turns out we're pretty good already at init-time work in tailscaled.
The regexp/syntax shows up but it's hard to get rid of that; zstd even
uses regexp. *shrug*

Change-Id: I856aca056dcb7489f5fc22ef07f55f34ddf19bd6
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-02-24 14:26:08 -08:00 committed by Brad Fitzpatrick
parent 4cbdc84d27
commit 4686224e5a
1 changed files with 13 additions and 0 deletions
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13
cmd/tailscaled/tailscaled_test.go Normal file
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// Copyright (c) 2022 Tailscale Inc & 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 main // import "tailscale.com/cmd/tailscaled"
import "testing"
func TestNothing(t *testing.T) {
// This test does nothing on purpose, so we can run
// GODEBUG=memprofilerate=1 go test -v -run=Nothing -memprofile=prof.mem
// without any errors about no matching tests.
}