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authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2025-02-03 10:12:35 +0000
committerLibravatar GitHub <noreply@github.com>2025-02-03 10:12:35 +0000
commitc086d4048c2a26a0bf70c1ced24c78680a786710 (patch)
treecf7606e8452e9047d7f0e0d9b6de10edf7ebdc89 /vendor/github.com/cilium/ebpf/internal/cpu.go
parent[chore]: Bump golang.org/x/oauth2 from 0.24.0 to 0.25.0 (#3725) (diff)
downloadgotosocial-c086d4048c2a26a0bf70c1ced24c78680a786710.tar.xz
[chore]: Bump github.com/KimMachineGun/automemlimit from 0.6.1 to 0.7.0 (#3726)
Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.6.1 to 0.7.0. - [Release notes](https://github.com/KimMachineGun/automemlimit/releases) - [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.6.1...v0.7.0) --- updated-dependencies: - dependency-name: github.com/KimMachineGun/automemlimit dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/cilium/ebpf/internal/cpu.go')
-rw-r--r--vendor/github.com/cilium/ebpf/internal/cpu.go62
1 files changed, 0 insertions, 62 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/cpu.go b/vendor/github.com/cilium/ebpf/internal/cpu.go
deleted file mode 100644
index 3affa1efb..000000000
--- a/vendor/github.com/cilium/ebpf/internal/cpu.go
+++ /dev/null
@@ -1,62 +0,0 @@
-package internal
-
-import (
- "fmt"
- "os"
- "strings"
- "sync"
-)
-
-var sysCPU struct {
- once sync.Once
- err error
- num int
-}
-
-// PossibleCPUs returns the max number of CPUs a system may possibly have
-// Logical CPU numbers must be of the form 0-n
-func PossibleCPUs() (int, error) {
- sysCPU.once.Do(func() {
- sysCPU.num, sysCPU.err = parseCPUsFromFile("/sys/devices/system/cpu/possible")
- })
-
- return sysCPU.num, sysCPU.err
-}
-
-func parseCPUsFromFile(path string) (int, error) {
- spec, err := os.ReadFile(path)
- if err != nil {
- return 0, err
- }
-
- n, err := parseCPUs(string(spec))
- if err != nil {
- return 0, fmt.Errorf("can't parse %s: %v", path, err)
- }
-
- return n, nil
-}
-
-// parseCPUs parses the number of cpus from a string produced
-// by bitmap_list_string() in the Linux kernel.
-// Multiple ranges are rejected, since they can't be unified
-// into a single number.
-// This is the format of /sys/devices/system/cpu/possible, it
-// is not suitable for /sys/devices/system/cpu/online, etc.
-func parseCPUs(spec string) (int, error) {
- if strings.Trim(spec, "\n") == "0" {
- return 1, nil
- }
-
- var low, high int
- n, err := fmt.Sscanf(spec, "%d-%d\n", &low, &high)
- if n != 2 || err != nil {
- return 0, fmt.Errorf("invalid format: %s", spec)
- }
- if low != 0 {
- return 0, fmt.Errorf("CPU spec doesn't start at zero: %s", spec)
- }
-
- // cpus is 0 indexed
- return high + 1, nil
-}