File size: 2,384 Bytes
f9f6cee | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | diff --git a/profiler/options_test.go b/profiler/options_test.go
index 0cc04d69e..053c13ca1 100644
--- a/profiler/options_test.go
+++ b/profiler/options_test.go
@@ -105,6 +105,18 @@ func TestOptions(t *testing.T) {
assert.Equal(t, 3*time.Second, cfg.cpuDuration)
})
+ t.Run("CPUProfileRate", func(t *testing.T) {
+ var cfg config
+ CPUProfileRate(123)(&cfg)
+ assert.Equal(t, 123, cfg.cpuProfileRate)
+ })
+
+ t.Run("CPUProfileRate/default", func(t *testing.T) {
+ cfg, err := defaultConfig()
+ require.NoError(t, err)
+ assert.Equal(t, 0, cfg.cpuProfileRate)
+ })
+
t.Run("MutexProfileFraction", func(t *testing.T) {
var cfg config
MutexProfileFraction(1)(&cfg)
diff --git a/profiler/profile_test.go b/profiler/profile_test.go
index 7c14422c9..ead96f9dc 100644
--- a/profiler/profile_test.go
+++ b/profiler/profile_test.go
@@ -11,6 +11,7 @@ import (
"io"
"io/ioutil"
"os"
+ "runtime"
"strconv"
"strings"
"testing"
@@ -192,6 +193,27 @@ main;bar 0 0 8 16
assert.Equal(t, []byte("my-cpu-profile"), profs[0].data)
})
+ t.Run("cpu-profile-rate", func(t *testing.T) {
+
+
+
+
+ defer runtime.SetCPUProfileRate(0)
+ rate := 500
+ p, err := unstartedProfiler(
+ CPUProfileRate(rate),
+ CPUDuration(20*time.Millisecond),
+ )
+ require.NoError(t, err)
+ profs, err := p.runProfile(CPUProfile)
+ require.NoError(t, err)
+ require.Equal(t, "cpu.pprof", profs[0].name)
+ prof, err := pprofile.ParseData(profs[0].data)
+ require.NoError(t, err)
+ assert.Equal(t, int64(1e9/rate), prof.Period,
+ "CPU profile period should reflect the configured CPUProfileRate")
+ })
+
t.Run("goroutine", func(t *testing.T) {
defer func(old func(_ string, _ io.Writer, _ int) error) { lookupProfile = old }(lookupProfile)
lookupProfile = func(name string, w io.Writer, _ int) error {
diff --git a/test_commands.json b/test_commands.json
new file mode 100644
index 000000000..ca7b84652
--- /dev/null
+++ b/test_commands.json
@@ -0,0 +1,3 @@
+{
+ "test_commands": ["go test ./profiler/ -run \"TestRunProfile/cpu|TestOptions/CPUProfileRate\" -v"]
+}
diff --git a/mimo_test_command.sh b/mimo_test_command.sh
new file mode 100755
--- /dev/null
+++ b/mimo_test_command.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+set -uo pipefail
+cd /testbed
+rc=0
+go test ./profiler/ -run "TestRunProfile/cpu|TestOptions/CPUProfileRate" -v
+rc=$(( rc | $? ))
+exit $rc
|