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allow ENOTSUP for PSI cgroup files

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If kernel is configured with CONFIG_PSI_DEFAULT_DISABLED then PSI
files exist but are unreadable.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2023-07-06 22:49:39 -07:00
parent c6a1835928
commit fca346fff8
1 changed files with 2 additions and 1 deletions
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3
executor/resources/cpu.go
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@@ -6,6 +6,7 @@ import (
"path/filepath"
"strconv"
"strings"
"syscall"
"github.com/moby/buildkit/executor/resources/types"
"github.com/pkg/errors"
@@ -81,7 +82,7 @@ func getCgroupCPUStat(cgroupPath string) (*types.CPUStat, error) {
func parsePressureFile(filename string) (*types.Pressure, error) {
content, err := os.ReadFile(filename)
if err != nil {
if errors.Is(err, os.ErrNotExist) { // pressure file requires CONFIG_PSI
if errors.Is(err, os.ErrNotExist) || errors.Is(err, syscall.ENOTSUP) { // pressure file requires CONFIG_PSI
return nil, nil
}
return nil, err