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-# Benchmark tools
-
-This package and subpackages are for running macro benchmarks on `runsc`. They
-are meant to replace the previous //benchmarks benchmark-tools written in
-python.
-
-Benchmarks are meant to look like regular golang benchmarks using the testing.B
-library.
-
-## Setup
-
-To run benchmarks you will need:
-
-*   Docker installed (17.09.0 or greater).
-
-The easiest way to setup runsc for running benchmarks is to use the make file.
-From the root directory:
-
-*   Download images: `make load-all-images`
-*   Install runsc suitable for benchmarking, which should probably not have
-    strace or debug logs enabled. For example:`make configure RUNTIME=myrunsc
-    ARGS=--platform=kvm`.
-*   Restart docker: `sudo service docker restart`
-
-You should now have a runtime with the following options configured in
-`/etc/docker/daemon.json`
-
-```
-"myrunsc": {
-            "path": "/tmp/myrunsc/runsc",
-            "runtimeArgs": [
-                "--debug-log",
-                "/tmp/bench/logs/runsc.log.%TEST%.%TIMESTAMP%.%COMMAND%",
-                "--platform=kvm"
-            ]
-        },
-
-```
-
-This runtime has been configured with a debugging off and strace logs off and is
-using kvm for demonstration.
-
-## Running benchmarks
-
-Given the runtime above runtime `myrunsc`, run benchmarks with the following:
-
-```
-make sudo TARGETS=//path/to:target ARGS="--runtime=myrunsc -test.v \
-  -test.bench=." OPTIONS="-c opt
-```
-
-For example, to run only the Iperf tests:
-
-```
-make sudo TARGETS=//test/benchmarks/network:network_test \
-  ARGS="--runtime=myrunsc -test.v -test.bench=Iperf" OPTIONS="-c opt"
-```
-
-Benchmarks are run with root as some benchmarks require root privileges to do
-things like drop caches.
-
-## Writing benchmarks
-
-Benchmarks consist of docker images as Dockerfiles and golang testing.B
-benchmarks.
-
-### Dockerfiles:
-
-*   Are stored at //images.
-*   New Dockerfiles go in an appropriately named directory at
-    `//images/benchmarks/my-cool-dockerfile`.
-*   Dockerfiles for benchmarks should:
-    *   Use explicitly versioned packages.
-    *   Not use ENV and CMD statements...it is easy to add these in the API.
-*   Note: A common pattern for getting access to a tmpfs mount is to copy files
-    there after container start. See: //test/benchmarks/build/bazel_test.go. You
-    can also make your own with `RunOpts.Mounts`.
-
-### testing.B packages
-
-In general, benchmarks should look like this:
-
-```golang
-
-var h harness.Harness
-
-func BenchmarkMyCoolOne(b *testing.B) {
-  machine, err := h.GetMachine()
-  // check err
-  defer machine.CleanUp()
-
-  ctx := context.Background()
-  container := machine.GetContainer(ctx, b)
-  defer container.CleanUp(ctx)
-
-  b.ResetTimer()
-
-  //Respect b.N.
-  for i := 0; i < b.N; i++ {
-    out, err := container.Run(ctx, dockerutil.RunOpts{
-      Image: "benchmarks/my-cool-image",
-      Env: []string{"MY_VAR=awesome"},
-      other options...see dockerutil
-    }, "sh", "-c", "echo MY_VAR")
-    //check err
-    b.StopTimer()
-
-    // Do parsing and reporting outside of the timer.
-    number := parseMyMetric(out)
-    b.ReportMetric(number, "my-cool-custom-metric")
-
-    b.StartTimer()
-  }
-}
-
-func TestMain(m *testing.M) {
-    h.Init()
-    os.Exit(m.Run())
-}
-```
-
-Some notes on the above:
-
-*   The harness is initiated in the TestMain method and made global to test
-    module. The harness will handle any presetup that needs to happen with
-    flags, remote virtual machines (eventually), and other services.
-*   Respect `b.N` in that users of the benchmark may want to "run for an hour"
-    or something of the sort.
-*   Use the `b.ReportMetric()` method to report custom metrics.
-*   Set the timer if time is useful for reporting. There isn't a way to turn off
-    default metrics in testing.B (B/op, allocs/op, ns/op).
-*   Take a look at dockerutil at //pkg/test/dockerutil to see all methods
-    available from containers. The API is based on the "official"
-    [docker API for golang](https://pkg.go.dev/mod/github.com/docker/docker).
-*   `harness.GetMachine()` marks how many machines this tests needs. If you have
-    a client and server and to mark them as multiple machines, call
-    `harness.GetMachine()` twice.
-
-## Profiling
-
-For profiling, the runtime is required to have the `--profile` flag enabled.
-This flag loosens seccomp filters so that the runtime can write profile data to
-disk. This configuration is not recommended for production.
-
-*   Install runsc with the `--profile` flag: `make configure RUNTIME=myrunsc
-    ARGS="--profile --platform=kvm --vfs2"`. The kvm and vfs2 flags are not
-    required, but are included for demonstration.
-*   Restart docker: `sudo service docker restart`
-
-To run and generate CPU profiles fs_test test run:
-
-```
-make sudo TARGETS=//test/benchmarks/fs:fs_test \
-  ARGS="--runtime=myrunsc -test.v -test.bench=. --pprof-cpu" OPTIONS="-c opt"
-```
-
-Profiles would be at: `/tmp/profile/myrunsc/CONTAINERNAME/cpu.pprof`