From ebd2b70019dba2cef4ae416364f35b336e3df91e Mon Sep 17 00:00:00 2001 From: Giuseppe Scrivano Date: Tue, 13 Aug 2019 12:43:00 +0200 Subject: tests: enable cpu tests for cgroups v2 Signed-off-by: Giuseppe Scrivano --- test/e2e/run_cpu_test.go | 110 +++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 92 insertions(+), 18 deletions(-) (limited to 'test') diff --git a/test/e2e/run_cpu_test.go b/test/e2e/run_cpu_test.go index 87f89b1dd..4be9da3d2 100644 --- a/test/e2e/run_cpu_test.go +++ b/test/e2e/run_cpu_test.go @@ -3,8 +3,10 @@ package integration import ( + "io/ioutil" "os" + "github.com/containers/libpod/pkg/cgroups" . "github.com/containers/libpod/test/utils" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" @@ -22,6 +24,16 @@ var _ = Describe("Podman run cpu", func() { if err != nil { os.Exit(1) } + + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + Expect(err).To(BeNil()) + + if cgroupsv2 { + if err := ioutil.WriteFile("/sys/fs/cgroup/cgroup.subtree_control", []byte("+cpuset"), 0644); err != nil { + Skip("cpuset controller not available on the current kernel") + } + } + podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() podmanTest.SeedImages() @@ -36,44 +48,96 @@ var _ = Describe("Podman run cpu", func() { It("podman run cpu-period", func() { SkipIfRootless() - result := podmanTest.Podman([]string{"run", "--rm", "--cpu-period=5000", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_period_us"}) + + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + Expect(err).To(BeNil()) + + var result *PodmanSessionIntegration + if cgroupsv2 { + result = podmanTest.Podman([]string{"run", "--rm", "--cpu-period=5000", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.max"}) + } else { + result = podmanTest.Podman([]string{"run", "--rm", "--cpu-period=5000", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_period_us"}) + } result.WaitWithDefaultTimeout() Expect(result.ExitCode()).To(Equal(0)) - Expect(result.OutputToString()).To(Equal("5000")) + Expect(result.LineInOutputContains("5000")) }) It("podman run cpu-quota", func() { SkipIfRootless() - result := podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"}) + + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + Expect(err).To(BeNil()) + + var result *PodmanSessionIntegration + + if cgroupsv2 { + result = podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.max"}) + } else { + result = podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"}) + } result.WaitWithDefaultTimeout() Expect(result.ExitCode()).To(Equal(0)) - Expect(result.OutputToString()).To(Equal("5000")) + Expect(result.LineInOutputContains("5000")) }) It("podman run cpus", func() { SkipIfRootless() - result := podmanTest.Podman([]string{"run", "--rm", "--cpus=0.5", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_period_us"}) - result.WaitWithDefaultTimeout() - Expect(result.ExitCode()).To(Equal(0)) - Expect(result.OutputToString()).To(Equal("100000")) - result = podmanTest.Podman([]string{"run", "--rm", "--cpus=0.5", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"}) - result.WaitWithDefaultTimeout() - Expect(result.ExitCode()).To(Equal(0)) - Expect(result.OutputToString()).To(Equal("50000")) + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + Expect(err).To(BeNil()) + + if cgroupsv2 { + result := podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.max"}) + result.WaitWithDefaultTimeout() + Expect(result.ExitCode()).To(Equal(0)) + Expect(result.OutputToString()).To(Equal("5000 100000")) + } else { + result := podmanTest.Podman([]string{"run", "--rm", "--cpus=0.5", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_period_us"}) + result.WaitWithDefaultTimeout() + Expect(result.ExitCode()).To(Equal(0)) + Expect(result.OutputToString()).To(Equal("100000")) + + result = podmanTest.Podman([]string{"run", "--rm", "--cpus=0.5", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"}) + result.WaitWithDefaultTimeout() + Expect(result.ExitCode()).To(Equal(0)) + Expect(result.OutputToString()).To(Equal("50000")) + } }) It("podman run cpu-shares", func() { SkipIfRootless() - result := podmanTest.Podman([]string{"run", "--rm", "--cpu-shares=2", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.shares"}) - result.WaitWithDefaultTimeout() - Expect(result.ExitCode()).To(Equal(0)) - Expect(result.OutputToString()).To(Equal("2")) + + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + Expect(err).To(BeNil()) + + if cgroupsv2 { + // [2-262144] is mapped to [1-10000] + result := podmanTest.Podman([]string{"run", "--rm", "--cpu-shares=262144", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.weight"}) + result.WaitWithDefaultTimeout() + Expect(result.ExitCode()).To(Equal(0)) + Expect(result.OutputToString()).To(Equal("10000")) + } else { + result := podmanTest.Podman([]string{"run", "--rm", "--cpu-shares=2", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.shares"}) + result.WaitWithDefaultTimeout() + Expect(result.ExitCode()).To(Equal(0)) + Expect(result.OutputToString()).To(Equal("2")) + } }) It("podman run cpuset-cpus", func() { SkipIfRootless() - result := podmanTest.Podman([]string{"run", "--rm", "--cpuset-cpus=0", ALPINE, "cat", "/sys/fs/cgroup/cpuset/cpuset.cpus"}) + + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + Expect(err).To(BeNil()) + + var result *PodmanSessionIntegration + + if cgroupsv2 { + result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-cpus=0", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpuset.cpus.effective"}) + } else { + result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-cpus=0", ALPINE, "cat", "/sys/fs/cgroup/cpuset/cpuset.cpus"}) + } result.WaitWithDefaultTimeout() Expect(result.ExitCode()).To(Equal(0)) Expect(result.OutputToString()).To(Equal("0")) @@ -81,7 +145,17 @@ var _ = Describe("Podman run cpu", func() { It("podman run cpuset-mems", func() { SkipIfRootless() - result := podmanTest.Podman([]string{"run", "--rm", "--cpuset-mems=0", ALPINE, "cat", "/sys/fs/cgroup/cpuset/cpuset.mems"}) + + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + Expect(err).To(BeNil()) + + var result *PodmanSessionIntegration + + if cgroupsv2 { + result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-mems=0", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpuset.mems.effective"}) + } else { + result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-mems=0", ALPINE, "cat", "/sys/fs/cgroup/cpuset/cpuset.mems"}) + } result.WaitWithDefaultTimeout() Expect(result.ExitCode()).To(Equal(0)) Expect(result.OutputToString()).To(Equal("0")) -- cgit v1.2.3-54-g00ecf