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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package prog
import (
"fmt"
"os"
"runtime"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
)
func setup(t *testing.T, testFileName string) {
trace.AdjustVerbosity(1)
mockBinParent = strings.TrimSuffix(testFileName, "/numactl_test.go")
tmpBin = t.TempDir() + "/mock.bin.numactl_test"
err := os.MkdirAll(tmpBin, 0755)
assert.Nil(t, err)
t.Setenv("PATH", fmt.Sprintf("%s:%s", tmpBin, os.Getenv("PATH")))
}
func TestNumaCtlDetection(t *testing.T) {
if runtime.GOOS == "windows" {
return
}
_, tfn, _, _ := runtime.Caller(0)
setup(t, tfn)
orig := []string{"/bin/myprog", "-c", "cfgid"}
spec := NewSpec(orig)
useMock("no-numactl", "numactl")
spec.ConfigureNumaCtl()
assert.Equal(t, false, spec.shouldUseNumaCtl)
useMock("bad-numactl", "numactl")
spec.ConfigureNumaCtl()
assert.Equal(t, false, spec.shouldUseNumaCtl)
t.Setenv("VESPA_AFFINITY_CPU_SOCKET", "")
useMock("good-numactl", "numactl")
spec.ConfigureNumaCtl()
assert.Equal(t, true, spec.shouldUseNumaCtl)
assert.Equal(t, -1, spec.numaSocket)
argv := spec.prependNumaCtl(orig)
trace.Trace("argv:", argv)
assert.Equal(t, 6, len(argv))
assert.Equal(t, "numactl", argv[0])
assert.Equal(t, "--interleave", argv[1])
assert.Equal(t, "all", argv[2])
assert.Equal(t, "/bin/myprog", argv[3])
assert.Equal(t, "-c", argv[4])
assert.Equal(t, "cfgid", argv[5])
t.Setenv("VESPA_AFFINITY_CPU_SOCKET", "0")
spec.ConfigureNumaCtl()
assert.Equal(t, true, spec.shouldUseNumaCtl)
assert.Equal(t, 0, spec.numaSocket)
argv = spec.prependNumaCtl(orig)
trace.Trace("argv:", argv)
assert.Equal(t, 6, len(argv))
assert.Equal(t, "numactl", argv[0])
assert.Equal(t, "--cpunodebind=0", argv[1])
assert.Equal(t, "--membind=0", argv[2])
assert.Equal(t, "/bin/myprog", argv[3])
assert.Equal(t, "-c", argv[4])
assert.Equal(t, "cfgid", argv[5])
t.Setenv("VESPA_AFFINITY_CPU_SOCKET", "1")
spec.ConfigureNumaCtl()
assert.Equal(t, true, spec.shouldUseNumaCtl)
assert.Equal(t, 1, spec.numaSocket)
argv = spec.prependNumaCtl(orig)
trace.Trace("argv:", argv)
assert.Equal(t, 6, len(argv))
assert.Equal(t, "numactl", argv[0])
assert.Equal(t, "--cpunodebind=1", argv[1])
assert.Equal(t, "--membind=1", argv[2])
assert.Equal(t, "/bin/myprog", argv[3])
assert.Equal(t, "-c", argv[4])
assert.Equal(t, "cfgid", argv[5])
t.Setenv("VESPA_AFFINITY_CPU_SOCKET", "2")
spec.ConfigureNumaCtl()
assert.Equal(t, true, spec.shouldUseNumaCtl)
assert.Equal(t, 0, spec.numaSocket)
}
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