[VOL-4291] OfAgent changes for gRPC migration
Change-Id: I8da1db6df49d478ef24ec8f9bd719e9692f48a7f
diff --git a/vendor/go.uber.org/zap/stacktrace.go b/vendor/go.uber.org/zap/stacktrace.go
index 100fac2..0cf8c1d 100644
--- a/vendor/go.uber.org/zap/stacktrace.go
+++ b/vendor/go.uber.org/zap/stacktrace.go
@@ -22,28 +22,20 @@
import (
"runtime"
- "strings"
"sync"
"go.uber.org/zap/internal/bufferpool"
)
-const _zapPackage = "go.uber.org/zap"
-
var (
_stacktracePool = sync.Pool{
New: func() interface{} {
return newProgramCounters(64)
},
}
-
- // We add "." and "/" suffixes to the package name to ensure we only match
- // the exact package and not any package with the same prefix.
- _zapStacktracePrefixes = addPrefix(_zapPackage, ".", "/")
- _zapStacktraceVendorContains = addPrefix("/vendor/", _zapStacktracePrefixes...)
)
-func takeStacktrace() string {
+func takeStacktrace(skip int) string {
buffer := bufferpool.Get()
defer buffer.Free()
programCounters := _stacktracePool.Get().(*programCounters)
@@ -51,9 +43,9 @@
var numFrames int
for {
- // Skip the call to runtime.Counters and takeStacktrace so that the
+ // Skip the call to runtime.Callers and takeStacktrace so that the
// program counters start at the caller of takeStacktrace.
- numFrames = runtime.Callers(2, programCounters.pcs)
+ numFrames = runtime.Callers(skip+2, programCounters.pcs)
if numFrames < len(programCounters.pcs) {
break
}
@@ -63,19 +55,12 @@
}
i := 0
- skipZapFrames := true // skip all consecutive zap frames at the beginning.
frames := runtime.CallersFrames(programCounters.pcs[:numFrames])
// Note: On the last iteration, frames.Next() returns false, with a valid
// frame, but we ignore this frame. The last frame is a a runtime frame which
// adds noise, since it's only either runtime.main or runtime.goexit.
for frame, more := frames.Next(); more; frame, more = frames.Next() {
- if skipZapFrames && isZapFrame(frame.Function) {
- continue
- } else {
- skipZapFrames = false
- }
-
if i != 0 {
buffer.AppendByte('\n')
}
@@ -91,24 +76,6 @@
return buffer.String()
}
-func isZapFrame(function string) bool {
- for _, prefix := range _zapStacktracePrefixes {
- if strings.HasPrefix(function, prefix) {
- return true
- }
- }
-
- // We can't use a prefix match here since the location of the vendor
- // directory affects the prefix. Instead we do a contains match.
- for _, contains := range _zapStacktraceVendorContains {
- if strings.Contains(function, contains) {
- return true
- }
- }
-
- return false
-}
-
type programCounters struct {
pcs []uintptr
}
@@ -116,11 +83,3 @@
func newProgramCounters(size int) *programCounters {
return &programCounters{make([]uintptr, size)}
}
-
-func addPrefix(prefix string, ss ...string) []string {
- withPrefix := make([]string, len(ss))
- for i, s := range ss {
- withPrefix[i] = prefix + s
- }
- return withPrefix
-}