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package stack_test
import (
"fmt"
"runtime"
"sync"
"testing"
"github.com/facebookgo/stack"
)
func BenchmarkCallersMulti(b *testing.B) {
for i := 0; i < b.N; i++ {
stack.CallersMulti(0)
}
}
func BenchmarkCallers(b *testing.B) {
for i := 0; i < b.N; i++ {
stack.Callers(0)
}
}
func BenchmarkCaller(b *testing.B) {
for i := 0; i < b.N; i++ {
stack.Caller(0)
}
}
func BenchmarkRuntimeCallersReusePCS(b *testing.B) {
pcs := make([]uintptr, 32)
for i := 0; i < b.N; i++ {
runtime.Callers(0, pcs)
}
}
func BenchmarkRuntimeCallersMakePCS(b *testing.B) {
for i := 0; i < b.N; i++ {
pcs := make([]uintptr, 32)
runtime.Callers(0, pcs)
}
}
func BenchmarkRuntimeCallersFixedPCS(b *testing.B) {
for i := 0; i < b.N; i++ {
var pcs [32]uintptr
runtime.Callers(0, pcs[:])
}
}
func BenchmarkRuntimeCallersSyncPool(b *testing.B) {
pool := sync.Pool{New: func() interface{} { return make([]uintptr, 32) }}
for i := 0; i < b.N; i++ {
pcs := pool.Get().([]uintptr)
runtime.Callers(0, pcs[:])
pcs = pcs[0:]
pool.Put(pcs)
}
}
func BenchmarkSprintf(b *testing.B) {
for i := 0; i < b.N; i++ {
fmt.Sprintf("hello")
}
}
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