GoToSocial/internal/log/caller_test.go

55 lines
1.1 KiB
Go

package log_test
import (
"runtime"
"strings"
"testing"
"codeberg.org/gruf/go-atomics"
"github.com/superseriousbusiness/gotosocial/internal/log"
)
// noopt exists to prevent certain optimisations during benching.
var noopt = atomics.NewString()
func BenchmarkCaller(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
name := log.Caller(2)
noopt.Store(name)
}
})
}
func BenchmarkCallerNoCache(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
var rpc [1]uintptr
// Fetch pcs of callers
n := runtime.Callers(2, rpc[:])
if n > 0 {
// Fetch frame info for caller pc
frame, _ := runtime.CallersFrames(rpc[:]).Next()
if frame.PC != 0 {
name := frame.Function
// Drop all but the package name and function name, no mod path
if idx := strings.LastIndex(name, "/"); idx >= 0 {
name = name[idx+1:]
}
// Drop any generic type parameter markers
if idx := strings.Index(name, "[...]"); idx >= 0 {
name = name[:idx] + name[idx+5:]
}
noopt.Store(name)
}
}
}
})
}