diff options
Diffstat (limited to 'src/runtime/runtime2.go')
| -rw-r--r-- | src/runtime/runtime2.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go index 516d3473ce..0d253233d2 100644 --- a/src/runtime/runtime2.go +++ b/src/runtime/runtime2.go @@ -378,8 +378,9 @@ type g struct { sigcode0 uintptr sigcode1 uintptr sigpc uintptr - gopc uintptr // pc of go statement that created this goroutine - startpc uintptr // pc of goroutine function + gopc uintptr // pc of go statement that created this goroutine + ancestors *[]ancestorInfo // ancestor information goroutine(s) that created this goroutine (only used if debug.tracebackancestors) + startpc uintptr // pc of goroutine function racectx uintptr waiting *sudog // sudog structures this g is waiting on (that have a valid elem ptr); in lock order cgoCtxt []uintptr // cgo traceback context @@ -743,6 +744,13 @@ type stkframe struct { argmap *bitvector // force use of this argmap } +// ancestorInfo records details of where a goroutine was started. +type ancestorInfo struct { + pcs []uintptr // pcs from the stack of this goroutine + goid int64 // goroutine id of this goroutine; original goroutine possibly dead + gopc uintptr // pc of go statement that created this goroutine +} + const ( _TraceRuntimeFrames = 1 << iota // include frames for internal runtime functions. _TraceTrap // the initial PC, SP are from a trap, not a return PC from a call |