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-rw-r--r--test/benchmarks/fs/BUILD1
-rw-r--r--test/benchmarks/fs/bazel_test.go61
-rw-r--r--test/benchmarks/fs/fio_test.go59
-rw-r--r--test/benchmarks/harness/BUILD1
-rw-r--r--test/benchmarks/harness/util.go52
5 files changed, 99 insertions, 75 deletions
diff --git a/test/benchmarks/fs/BUILD b/test/benchmarks/fs/BUILD
index b4f967441..c94caab60 100644
--- a/test/benchmarks/fs/BUILD
+++ b/test/benchmarks/fs/BUILD
@@ -11,6 +11,7 @@ benchmark_test(
"//pkg/test/dockerutil",
"//test/benchmarks/harness",
"//test/benchmarks/tools",
+ "@com_github_docker_docker//api/types/mount:go_default_library",
],
)
diff --git a/test/benchmarks/fs/bazel_test.go b/test/benchmarks/fs/bazel_test.go
index 8baeff0db..7ced963f6 100644
--- a/test/benchmarks/fs/bazel_test.go
+++ b/test/benchmarks/fs/bazel_test.go
@@ -25,6 +25,13 @@ import (
"gvisor.dev/gvisor/test/benchmarks/tools"
)
+// Dimensions here are clean/dirty cache (do or don't drop caches)
+// and if the mount on which we are compiling is a tmpfs/bind mount.
+type benchmark struct {
+ clearCache bool // clearCache drops caches before running.
+ fstype string // type of filesystem to use.
+}
+
// Note: CleanCache versions of this test require running with root permissions.
func BenchmarkBuildABSL(b *testing.B) {
runBuildBenchmark(b, "benchmarks/absl", "/abseil-cpp", "absl/base/...")
@@ -45,17 +52,18 @@ func runBuildBenchmark(b *testing.B, image, workdir, target string) {
}
defer machine.CleanUp()
- // Dimensions here are clean/dirty cache (do or don't drop caches)
- // and if the mount on which we are compiling is a tmpfs/bind mount.
- benchmarks := []struct {
- clearCache bool // clearCache drops caches before running.
- tmpfs bool // tmpfs will run compilation on a tmpfs.
- }{
- {clearCache: true, tmpfs: false},
- {clearCache: false, tmpfs: false},
- {clearCache: true, tmpfs: true},
- {clearCache: false, tmpfs: true},
+ benchmarks := make([]benchmark, 0, 6)
+ for _, filesys := range []string{harness.BindFS, harness.TmpFS, harness.RootFS} {
+ benchmarks = append(benchmarks, benchmark{
+ clearCache: true,
+ fstype: filesys,
+ })
+ benchmarks = append(benchmarks, benchmark{
+ clearCache: false,
+ fstype: filesys,
+ })
}
+
for _, bm := range benchmarks {
pageCache := tools.Parameter{
Name: "page_cache",
@@ -67,10 +75,7 @@ func runBuildBenchmark(b *testing.B, image, workdir, target string) {
filesystem := tools.Parameter{
Name: "filesystem",
- Value: "bind",
- }
- if bm.tmpfs {
- filesystem.Value = "tmpfs"
+ Value: bm.fstype,
}
name, err := tools.ParametersToName(pageCache, filesystem)
if err != nil {
@@ -83,21 +88,25 @@ func runBuildBenchmark(b *testing.B, image, workdir, target string) {
container := machine.GetContainer(ctx, b)
defer container.CleanUp(ctx)
+ mts, prefix, cleanup, err := harness.MakeMount(machine, bm.fstype)
+ if err != nil {
+ b.Fatalf("Failed to make mount: %v", err)
+ }
+ defer cleanup()
+
+ runOpts := dockerutil.RunOpts{
+ Image: image,
+ Mounts: mts,
+ }
+
// Start a container and sleep.
- if err := container.Spawn(ctx, dockerutil.RunOpts{
- Image: image,
- }, "sleep", fmt.Sprintf("%d", 1000000)); err != nil {
+ if err := container.Spawn(ctx, runOpts, "sleep", fmt.Sprintf("%d", 1000000)); err != nil {
b.Fatalf("run failed with: %v", err)
}
- // If we are running on a tmpfs, copy to /tmp which is a tmpfs.
- prefix := ""
- if bm.tmpfs {
- if out, err := container.Exec(ctx, dockerutil.ExecOpts{},
- "cp", "-r", workdir, "/tmp/."); err != nil {
- b.Fatalf("failed to copy directory: %v (%s)", err, out)
- }
- prefix = "/tmp"
+ if out, err := container.Exec(ctx, dockerutil.ExecOpts{},
+ "cp", "-rf", workdir, prefix+"/."); err != nil {
+ b.Fatalf("failed to copy directory: %v (%s)", err, out)
}
b.ResetTimer()
@@ -118,7 +127,7 @@ func runBuildBenchmark(b *testing.B, image, workdir, target string) {
WorkDir: prefix + workdir,
}, "bazel", "build", "-c", "opt", target)
if err != nil {
- b.Fatalf("build failed with: %v", err)
+ b.Fatalf("build failed with: %v logs: %s", err, got)
}
b.StopTimer()
diff --git a/test/benchmarks/fs/fio_test.go b/test/benchmarks/fs/fio_test.go
index cc2d1cbbc..f783a2b33 100644
--- a/test/benchmarks/fs/fio_test.go
+++ b/test/benchmarks/fs/fio_test.go
@@ -21,7 +21,6 @@ import (
"strings"
"testing"
- "github.com/docker/docker/api/types/mount"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/test/benchmarks/harness"
"gvisor.dev/gvisor/test/benchmarks/tools"
@@ -70,7 +69,7 @@ func BenchmarkFio(b *testing.B) {
}
defer machine.CleanUp()
- for _, fsType := range []mount.Type{mount.TypeBind, mount.TypeTmpfs} {
+ for _, fsType := range []string{harness.BindFS, harness.TmpFS, harness.RootFS} {
for _, tc := range testCases {
operation := tools.Parameter{
Name: "operation",
@@ -82,7 +81,7 @@ func BenchmarkFio(b *testing.B) {
}
filesystem := tools.Parameter{
Name: "filesystem",
- Value: string(fsType),
+ Value: fsType,
}
name, err := tools.ParametersToName(operation, blockSize, filesystem)
if err != nil {
@@ -95,13 +94,7 @@ func BenchmarkFio(b *testing.B) {
container := machine.GetContainer(ctx, b)
defer container.CleanUp(ctx)
- // Directory and filename inside container where fio will read/write.
- outdir := "/data"
- outfile := filepath.Join(outdir, "test.txt")
-
- // Make the required mount and grab a cleanup for bind mounts
- // as they are backed by a temp directory (mktemp).
- mnt, mountCleanup, err := makeMount(machine, fsType, outdir)
+ mnts, outdir, mountCleanup, err := harness.MakeMount(machine, fsType)
if err != nil {
b.Fatalf("failed to make mount: %v", err)
}
@@ -109,12 +102,9 @@ func BenchmarkFio(b *testing.B) {
// Start the container with the mount.
if err := container.Spawn(
- ctx,
- dockerutil.RunOpts{
- Image: "benchmarks/fio",
- Mounts: []mount.Mount{
- mnt,
- },
+ ctx, dockerutil.RunOpts{
+ Image: "benchmarks/fio",
+ Mounts: mnts,
},
// Sleep on the order of b.N.
"sleep", fmt.Sprintf("%d", 1000*b.N),
@@ -122,6 +112,9 @@ func BenchmarkFio(b *testing.B) {
b.Fatalf("failed to start fio container with: %v", err)
}
+ // Directory and filename inside container where fio will read/write.
+ outfile := filepath.Join(outdir, "test.txt")
+
// For reads, we need a file to read so make one inside the container.
if strings.Contains(tc.Test, "read") {
fallocateCmd := fmt.Sprintf("fallocate -l %dK %s", tc.Size, outfile)
@@ -135,6 +128,7 @@ func BenchmarkFio(b *testing.B) {
if err := harness.DropCaches(machine); err != nil {
b.Skipf("failed to drop caches with %v. You probably need root.", err)
}
+
cmd := tc.MakeCmd(outfile)
if err := harness.DropCaches(machine); err != nil {
@@ -154,39 +148,6 @@ func BenchmarkFio(b *testing.B) {
}
}
-// makeMount makes a mount and cleanup based on the requested type. Bind
-// and volume mounts are backed by a temp directory made with mktemp.
-// tmpfs mounts require no such backing and are just made.
-// It is up to the caller to call the returned cleanup.
-func makeMount(machine harness.Machine, mountType mount.Type, target string) (mount.Mount, func(), error) {
- switch mountType {
- case mount.TypeVolume, mount.TypeBind:
- dir, err := machine.RunCommand("mktemp", "-d")
- if err != nil {
- return mount.Mount{}, func() {}, fmt.Errorf("failed to create tempdir: %v", err)
- }
- dir = strings.TrimSuffix(dir, "\n")
-
- out, err := machine.RunCommand("chmod", "777", dir)
- if err != nil {
- machine.RunCommand("rm", "-rf", dir)
- return mount.Mount{}, func() {}, fmt.Errorf("failed modify directory: %v %s", err, out)
- }
- return mount.Mount{
- Target: target,
- Source: dir,
- Type: mount.TypeBind,
- }, func() { machine.RunCommand("rm", "-rf", dir) }, nil
- case mount.TypeTmpfs:
- return mount.Mount{
- Target: target,
- Type: mount.TypeTmpfs,
- }, func() {}, nil
- default:
- return mount.Mount{}, func() {}, fmt.Errorf("illegal mount time not supported: %v", mountType)
- }
-}
-
// TestMain is the main method for package fs.
func TestMain(m *testing.M) {
harness.Init()
diff --git a/test/benchmarks/harness/BUILD b/test/benchmarks/harness/BUILD
index c2e316709..116610938 100644
--- a/test/benchmarks/harness/BUILD
+++ b/test/benchmarks/harness/BUILD
@@ -14,5 +14,6 @@ go_library(
deps = [
"//pkg/test/dockerutil",
"//pkg/test/testutil",
+ "@com_github_docker_docker//api/types/mount:go_default_library",
],
)
diff --git a/test/benchmarks/harness/util.go b/test/benchmarks/harness/util.go
index aeac7ebff..36abe1069 100644
--- a/test/benchmarks/harness/util.go
+++ b/test/benchmarks/harness/util.go
@@ -18,8 +18,10 @@ import (
"context"
"fmt"
"net"
+ "strings"
"testing"
+ "github.com/docker/docker/api/types/mount"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/pkg/test/testutil"
)
@@ -55,3 +57,53 @@ func DebugLog(b *testing.B, msg string, args ...interface{}) {
b.Logf(msg, args...)
}
}
+
+const (
+ // BindFS indicates a bind mount should be created.
+ BindFS = "bindfs"
+ // TmpFS indicates a tmpfs mount should be created.
+ TmpFS = "tmpfs"
+ // RootFS indicates no mount should be created and the root mount should be used.
+ RootFS = "rootfs"
+)
+
+// MakeMount makes a mount and cleanup based on the requested type. Bind
+// and volume mounts are backed by a temp directory made with mktemp.
+// tmpfs mounts require no such backing and are just made.
+// rootfs mounts do not make a mount, but instead return a target direectory at root.
+// It is up to the caller to call the returned cleanup.
+func MakeMount(machine Machine, fsType string) ([]mount.Mount, string, func(), error) {
+ mounts := make([]mount.Mount, 0, 1)
+ switch fsType {
+ case BindFS:
+ dir, err := machine.RunCommand("mktemp", "-d")
+ if err != nil {
+ return mounts, "", func() {}, fmt.Errorf("failed to create tempdir: %v", err)
+ }
+ dir = strings.TrimSuffix(dir, "\n")
+
+ out, err := machine.RunCommand("chmod", "777", dir)
+ if err != nil {
+ machine.RunCommand("rm", "-rf", dir)
+ return mounts, "", func() {}, fmt.Errorf("failed modify directory: %v %s", err, out)
+ }
+ target := "/data"
+ mounts = append(mounts, mount.Mount{
+ Target: target,
+ Source: dir,
+ Type: mount.TypeBind,
+ })
+ return mounts, target, func() { machine.RunCommand("rm", "-rf", dir) }, nil
+ case RootFS:
+ return mounts, "/", func() {}, nil
+ case TmpFS:
+ target := "/data"
+ mounts = append(mounts, mount.Mount{
+ Target: target,
+ Type: mount.TypeTmpfs,
+ })
+ return mounts, target, func() {}, nil
+ default:
+ return mounts, "", func() {}, fmt.Errorf("illegal mount type not supported: %v", fsType)
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 21:05:41 +0000