mirror of
https://github.com/moby/buildkit.git
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df0d9d791d
Previous version runs out of memory on go1.23 Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
package resources
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import (
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"os"
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"path/filepath"
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"testing"
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resourcestypes "github.com/moby/buildkit/executor/resources/types"
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"github.com/stretchr/testify/require"
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)
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func createDummyCgroupFS(t *testing.T, cpuStatContents string) (string, error) {
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tmpDir := t.TempDir()
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err := os.WriteFile(filepath.Join(tmpDir, "cpu.stat"), []byte(cpuStatContents), 0644)
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if err != nil {
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return "", err
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}
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return tmpDir, nil
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}
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func TestGetCgroupCPUStat(t *testing.T) {
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cpuStatContents := `usage_usec 1234567
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user_usec 123456
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system_usec 123456
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nr_periods 123
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nr_throttled 12
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throttled_usec 123456`
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tmpDir, err := createDummyCgroupFS(t, cpuStatContents)
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require.NoError(t, err)
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cpuStat, err := getCgroupCPUStat(tmpDir)
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require.NoError(t, err)
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require.NotNil(t, cpuStat.UsageNanos)
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require.Equal(t, uint64(1234567000), *cpuStat.UsageNanos)
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require.NotNil(t, cpuStat.UserNanos)
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require.Equal(t, uint64(123456000), *cpuStat.UserNanos)
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require.NotNil(t, cpuStat.SystemNanos)
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require.Equal(t, uint64(123456000), *cpuStat.SystemNanos)
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require.NotNil(t, cpuStat.NrPeriods)
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require.Equal(t, uint32(123), *cpuStat.NrPeriods)
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require.NotNil(t, cpuStat.NrThrottled)
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require.Equal(t, uint32(12), *cpuStat.NrThrottled)
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require.NotNil(t, cpuStat.ThrottledNanos)
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require.Equal(t, uint64(123456000), *cpuStat.ThrottledNanos)
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}
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func TestReadPressureFile(t *testing.T) {
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pressureContents := `some avg10=1.23 avg60=4.56 avg300=7.89 total=3031
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full avg10=0.12 avg60=0.34 avg300=0.56 total=9876`
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tmpFile := filepath.Join(t.TempDir(), "pressure_test")
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err := os.WriteFile(tmpFile, []byte(pressureContents), os.ModePerm) //nolint:gosec
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require.NoError(t, err)
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pressure, err := parsePressureFile(tmpFile)
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require.NoError(t, err)
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some123 := 1.23
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some456 := 4.56
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some789 := 7.89
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some3031 := uint64(3031)
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full12 := 0.12
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full34 := 0.34
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full56 := 0.56
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full9876 := uint64(9876)
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expected := &resourcestypes.Pressure{
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Some: &resourcestypes.PressureValues{
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Avg10: &some123,
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Avg60: &some456,
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Avg300: &some789,
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Total: &some3031,
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},
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Full: &resourcestypes.PressureValues{
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Avg10: &full12,
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Avg60: &full34,
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Avg300: &full56,
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Total: &full9876,
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},
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}
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require.Equal(t, expected, pressure)
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}
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