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forgejo/modules/log/groutinelabel_test.go
zeripath 70628bd870
Add auto logging of goroutine pid label (#19212)
* Add auto logging of goroutine pid label

This PR uses unsafe to export the hidden runtime_getProfLabel function from the
runtime package and then casts the result to a map[string]string.

We can then interrogate this map to get the pid label from the goroutine allowing
us to log it with any logging request.

Reference #19202

Signed-off-by: Andrew Thornton <art27@cantab.net>
2022-03-26 20:04:36 +00:00

34 lines
1,002 B
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package log
import (
"context"
"runtime/pprof"
"testing"
"github.com/stretchr/testify/assert"
)
func Test_getGoroutineLabels(t *testing.T) {
pprof.Do(context.Background(), pprof.Labels(), func(ctx context.Context) {
currentLabels := getGoroutineLabels()
pprof.ForLabels(ctx, func(key, value string) bool {
assert.EqualValues(t, value, currentLabels[key])
return true
})
pprof.Do(ctx, pprof.Labels("Test_getGoroutineLabels", "Test_getGoroutineLabels_child1"), func(ctx context.Context) {
currentLabels := getGoroutineLabels()
pprof.ForLabels(ctx, func(key, value string) bool {
assert.EqualValues(t, value, currentLabels[key])
return true
})
if assert.NotNil(t, currentLabels) {
assert.EqualValues(t, "Test_getGoroutineLabels_child1", currentLabels["Test_getGoroutineLabels"])
}
})
})
}