Commit Graph

3 Commits

Author SHA1 Message Date
Brad Fitzpatrick
d1cb7a2639 metrics: use SYS_OPENAT
New systems like arm64 don't even have SYS_OPEN.
2021-09-02 15:28:19 -07:00
Brad Fitzpatrick
99a1c74a6a metrics: optimize CurrentFDs to not allocate on Linux
It was 50% of our allocs on one of our servers. (!!)

Updates #2784

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-09-02 13:28:39 -07:00
Brad Fitzpatrick
fc160f80ee metrics: move currentFDs code to the metrics package
Updates #2784

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-09-02 11:14:14 -07:00