Commit Graph

2 Commits

Author SHA1 Message Date
Brad Fitzpatrick
1a45274d4c
version/distro: detect Ubuntu separately from Debian
(for an upcoming change where I wanted to easily distinguish these
two)

Change-Id: Icb6a0144275cc9bf8978a7cb96b601d516d8da46
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-09-18 10:28:00 -07:00
Brad Fitzpatrick
58a6c9b2b8 version, hostinfo: recognize gokrazy as a distro
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>
2022-03-01 19:37:20 -08:00