diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/rcrowley/go-metrics/runtime_test.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/rcrowley/go-metrics/runtime_test.go | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/Godeps/_workspace/src/github.com/rcrowley/go-metrics/runtime_test.go b/Godeps/_workspace/src/github.com/rcrowley/go-metrics/runtime_test.go deleted file mode 100644 index a0ca89479..000000000 --- a/Godeps/_workspace/src/github.com/rcrowley/go-metrics/runtime_test.go +++ /dev/null @@ -1,78 +0,0 @@ -package metrics - -import ( - "runtime" - "testing" - "time" -) - -func BenchmarkRuntimeMemStats(b *testing.B) { - r := NewRegistry() - RegisterRuntimeMemStats(r) - b.ResetTimer() - for i := 0; i < b.N; i++ { - CaptureRuntimeMemStatsOnce(r) - } -} - -func TestRuntimeMemStats(t *testing.T) { - r := NewRegistry() - RegisterRuntimeMemStats(r) - CaptureRuntimeMemStatsOnce(r) - zero := runtimeMetrics.MemStats.PauseNs.Count() // Get a "zero" since GC may have run before these tests. - runtime.GC() - CaptureRuntimeMemStatsOnce(r) - if count := runtimeMetrics.MemStats.PauseNs.Count(); 1 != count-zero { - t.Fatal(count - zero) - } - runtime.GC() - runtime.GC() - CaptureRuntimeMemStatsOnce(r) - if count := runtimeMetrics.MemStats.PauseNs.Count(); 3 != count-zero { - t.Fatal(count - zero) - } - for i := 0; i < 256; i++ { - runtime.GC() - } - CaptureRuntimeMemStatsOnce(r) - if count := runtimeMetrics.MemStats.PauseNs.Count(); 259 != count-zero { - t.Fatal(count - zero) - } - for i := 0; i < 257; i++ { - runtime.GC() - } - CaptureRuntimeMemStatsOnce(r) - if count := runtimeMetrics.MemStats.PauseNs.Count(); 515 != count-zero { // We lost one because there were too many GCs between captures. - t.Fatal(count - zero) - } -} - -func TestRuntimeMemStatsBlocking(t *testing.T) { - if g := runtime.GOMAXPROCS(0); g < 2 { - t.Skipf("skipping TestRuntimeMemStatsBlocking with GOMAXPROCS=%d\n", g) - } - ch := make(chan int) - go testRuntimeMemStatsBlocking(ch) - var memStats runtime.MemStats - t0 := time.Now() - runtime.ReadMemStats(&memStats) - t1 := time.Now() - t.Log("i++ during runtime.ReadMemStats:", <-ch) - go testRuntimeMemStatsBlocking(ch) - d := t1.Sub(t0) - t.Log(d) - time.Sleep(d) - t.Log("i++ during time.Sleep:", <-ch) -} - -func testRuntimeMemStatsBlocking(ch chan int) { - i := 0 - for { - select { - case ch <- i: - return - default: - i++ - } - } -} |