diff options
Diffstat (limited to 'libgo/go/runtime/debug.go')
| -rw-r--r-- | libgo/go/runtime/debug.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libgo/go/runtime/debug.go b/libgo/go/runtime/debug.go index 4f09146fac1..bd6dcc971a1 100644 --- a/libgo/go/runtime/debug.go +++ b/libgo/go/runtime/debug.go @@ -95,11 +95,37 @@ func (r *MemProfileRecord) Stack() []uintptr { // where r.AllocBytes > 0 but r.AllocBytes == r.FreeBytes. // These are sites where memory was allocated, but it has all // been released back to the runtime. +// // Most clients should use the runtime/pprof package or // the testing package's -test.memprofile flag instead // of calling MemProfile directly. func MemProfile(p []MemProfileRecord, inuseZero bool) (n int, ok bool) +// A ThreadProfileRecord describes the execution stack that +// caused a new thread to be created. +type ThreadProfileRecord struct { + Stack0 [32]uintptr // stack trace for this record; ends at first 0 entry +} + +// Stack returns the stack trace associated with the record, +// a prefix of r.Stack0. +func (r *ThreadProfileRecord) Stack() []uintptr { + for i, v := range r.Stack0 { + if v == 0 { + return r.Stack0[0:i] + } + } + return r.Stack0[0:] +} + +// ThreadProfile returns n, the number of records in the current thread profile. +// If len(p) >= n, ThreadProfile copies the profile into p and returns n, true. +// If len(p) < n, ThreadProfile does not change p and returns n, false. +// +// Most clients should use the runtime/pprof package instead +// of calling ThreadProfile directly. +func ThreadProfile(p []ThreadProfileRecord) (n int, ok bool) + // CPUProfile returns the next chunk of binary CPU profiling stack trace data, // blocking until data is available. If profiling is turned off and all the profile // data accumulated while it was on has been returned, CPUProfile returns nil. |