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58a6c9b2b8
Now:
/tmp/breakglass3929186798 # /user/tailscale debug hostinfo
{
"IPNVersion": "1.23.0-date.20220107",
"OS": "linux",
"OSVersion": "Gokrazy; kernel=5.16.11",
"DeviceModel": "Raspberry Pi 4 Model B Rev 1.2",
"Hostname": "gokrazy",
"GoArch": "arm64"
}
Also, cache the distro lookup. It doesn't change while the program is
running:
name old time/op new time/op delta
Get-6 5.21µs ± 5% 0.00µs ± 3% -99.91% (p=0.008 n=5+5)
name old alloc/op new alloc/op delta
Get-6 792B ± 0% 0B -100.00% (p=0.008 n=5+5)
name old allocs/op new allocs/op delta
Get-6 8.00 ± 0% 0.00 -100.00% (p=0.008 n=5+5)
Updates #1866
Change-Id: Ifb9a63b94287010d3f4c8bfeb6b78119e8a9b203
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
17 lines
324 B
Go
17 lines
324 B
Go
// Copyright (c) 2022 Tailscale Inc & 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 distro
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import "testing"
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func BenchmarkGet(b *testing.B) {
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b.ReportAllocs()
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var d Distro
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for i := 0; i < b.N; i++ {
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d = Get()
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}
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_ = d
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}
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