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package performance_test
import (
"fmt"
"os"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gexec"
"github.com/onsi/gomega/gmeasure"
)
func LoadOrCreate(cache gmeasure.ExperimentCache, name string, version int) (*gmeasure.Experiment, bool) {
experiment := cache.Load(name, version)
if experiment != nil {
return experiment, true
}
return gmeasure.NewExperiment(name), false
}
var _ = Describe("Running a large test suite", Ordered, Serial, func() {
var cache gmeasure.ExperimentCache
var REGENERATE_BENCHMARK = os.Getenv("BENCH") != ""
const BENCHMARK_VERSION = 2
const N = 10
var runtimes = []gmeasure.Stats{}
BeforeAll(func() {
if os.Getenv("PERF") == "" {
Skip("PERF environment not set, skipping")
}
var err error
cache, err = gmeasure.NewExperimentCache("./large-suite-cache")
Ω(err).ShouldNot(HaveOccurred())
pfm = NewPerformanceFixtureManager(fmt.Sprintf("./ginkgo_perf_tmp_%d", GinkgoParallelProcess()))
if !DEBUG {
DeferCleanup(pfm.Cleanup)
}
pfm.MountFixture("large_suite")
session := startGinkgo(pfm.PathTo("large_suite"), "build")
Eventually(session).Should(gexec.Exit(0))
Expect(pfm.PathTo("large_suite", "large_suite.test")).To(BeAnExistingFile())
})
var nameFor = func(nodes int, protocol string, interceptor string) string {
if nodes == 1 {
return "serial"
}
return "parallel" + "-" + protocol + "-" + interceptor
}
DescribeTable("scenarios",
func(nodes int, protocol string, interceptor string) {
var experiment *gmeasure.Experiment
name := nameFor(nodes, protocol, interceptor)
if REGENERATE_BENCHMARK {
experiment = gmeasure.NewExperiment(name + "-benchmark")
} else {
benchmark := cache.Load(name+"-benchmark", BENCHMARK_VERSION)
Ω(benchmark).ShouldNot(BeNil())
runtimes = append(runtimes, benchmark.GetStats("runtime"))
experiment = gmeasure.NewExperiment(name)
}
AddReportEntry(experiment.Name, experiment)
env := []string{}
if nodes > 1 {
env = append(env, "GINKGO_PARALLEL_PROTOCOL="+protocol)
}
experiment.SampleDuration("runtime", func(idx int) {
fmt.Printf("Running %s %d/%d\n", name, idx+1, N)
session := startGinkgoWithEnv(
pfm.PathTo("large_suite"),
env,
fmt.Sprintf("--procs=%d", nodes),
fmt.Sprintf("--output-interceptor-mode=%s", interceptor),
"large_suite.test",
)
Eventually(session).Should(gexec.Exit(0))
}, gmeasure.SamplingConfig{N: N})
runtimes = append(runtimes, experiment.GetStats("runtime"))
fmt.Printf("Profiling %s\n", name)
session := startGinkgoWithEnv(
pfm.PathTo("large_suite"),
env,
fmt.Sprintf("--procs=%d", nodes),
fmt.Sprintf("--output-interceptor-mode=%s", interceptor),
"--cpuprofile=CPU.profile",
"--blockprofile=BLOCK.profile",
"large_suite.test",
)
Eventually(session).Should(gexec.Exit(0))
if REGENERATE_BENCHMARK {
cache.Save(experiment.Name, BENCHMARK_VERSION, experiment)
}
},
nameFor,
Entry(nil, 1, "", ""),
Entry(nil, 2, "RPC", "DUP"),
Entry(nil, 2, "RPC", "SWAP"),
Entry(nil, 2, "RPC", "NONE"),
Entry(nil, 2, "HTTP", "DUP"),
Entry(nil, 2, "HTTP", "SWAP"),
Entry(nil, 2, "HTTP", "NONE"),
)
It("analyzes the experiments", func() {
if REGENERATE_BENCHMARK {
Skip("no analysis when generating benchmark")
}
AddReportEntry("Ranking", gmeasure.RankStats(gmeasure.LowerMedianIsBetter, runtimes...))
})
})
|
