diff options
Diffstat (limited to 'src/pkg/runtime/debug.go')
| -rw-r--r-- | src/pkg/runtime/debug.go | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/src/pkg/runtime/debug.go b/src/pkg/runtime/debug.go index 181fac4615..9ccbaedc84 100644 --- a/src/pkg/runtime/debug.go +++ b/src/pkg/runtime/debug.go @@ -50,73 +50,6 @@ func NumGoroutine() int { func gcount() int32 -// MemProfileRate controls the fraction of memory allocations -// that are recorded and reported in the memory profile. -// The profiler aims to sample an average of -// one allocation per MemProfileRate bytes allocated. -// -// To include every allocated block in the profile, set MemProfileRate to 1. -// To turn off profiling entirely, set MemProfileRate to 0. -// -// The tools that process the memory profiles assume that the -// profile rate is constant across the lifetime of the program -// and equal to the current value. Programs that change the -// memory profiling rate should do so just once, as early as -// possible in the execution of the program (for example, -// at the beginning of main). -var MemProfileRate int = 512 * 1024 - -// A MemProfileRecord describes the live objects allocated -// by a particular call sequence (stack trace). -type MemProfileRecord struct { - AllocBytes, FreeBytes int64 // number of bytes allocated, freed - AllocObjects, FreeObjects int64 // number of objects allocated, freed - Stack0 [32]uintptr // stack trace for this record; ends at first 0 entry -} - -// InUseBytes returns the number of bytes in use (AllocBytes - FreeBytes). -func (r *MemProfileRecord) InUseBytes() int64 { return r.AllocBytes - r.FreeBytes } - -// InUseObjects returns the number of objects in use (AllocObjects - FreeObjects). -func (r *MemProfileRecord) InUseObjects() int64 { - return r.AllocObjects - r.FreeObjects -} - -// Stack returns the stack trace associated with the record, -// a prefix of r.Stack0. -func (r *MemProfileRecord) Stack() []uintptr { - for i, v := range r.Stack0 { - if v == 0 { - return r.Stack0[0:i] - } - } - return r.Stack0[0:] -} - -// A StackRecord describes a single execution stack. -type StackRecord 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 *StackRecord) Stack() []uintptr { - for i, v := range r.Stack0 { - if v == 0 { - return r.Stack0[0:i] - } - } - return r.Stack0[0:] -} - -// GoroutineProfile returns n, the number of records in the active goroutine stack profile. -// If len(p) >= n, GoroutineProfile copies the profile into p and returns n, true. -// If len(p) < n, GoroutineProfile does not change p and returns n, false. -// -// Most clients should use the runtime/pprof package instead -// of calling GoroutineProfile directly. -func GoroutineProfile(p []StackRecord) (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. @@ -135,19 +68,3 @@ func CPUProfile() []byte // the testing package's -test.cpuprofile flag instead of calling // SetCPUProfileRate directly. func SetCPUProfileRate(hz int) - -// SetBlockProfileRate controls the fraction of goroutine blocking events -// that are reported in the blocking profile. The profiler aims to sample -// an average of one blocking event per rate nanoseconds spent blocked. -// -// To include every blocking event in the profile, pass rate = 1. -// To turn off profiling entirely, pass rate <= 0. -func SetBlockProfileRate(rate int) - -// BlockProfileRecord describes blocking events originated -// at a particular call sequence (stack trace). -type BlockProfileRecord struct { - Count int64 - Cycles int64 - StackRecord -} |