GoStatus dt=1 g=2 m=1 gstatus=2
ProcStatus dt=1 p=0 pstatus=4
ProcSteal dt=1 p=0 p_seq=1 m=0
EventBatch gen=1 m=18446744073709551615 time=0 size=5
Frequency freq=15625000
EventBatch gen=1 m=18446744073709551615 time=0 size=1
Stacks
EventBatch gen=1 m=18446744073709551615 time=0 size=1

	_F_SETFL = 0x4

	_O_WRONLY   = 0x1
	_O_NONBLOCK = 0x4
	_O_CREAT    = 0x200
	_O_TRUNC    = 0x400

	_VM_REGION_BASIC_INFO_COUNT_64 = 0x9
	_VM_REGION_BASIC_INFO_64       = 0x9
)

type stackt struct {
	ss_sp     *byte
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type sigactiont struct {
	__sigaction_u [8]byte
	sa_tramp      unsafe.Pointer
	sa_mask       uint32

}
.details td {
  text-align: right;
  border: 1px solid black;
}
.details td.id {
  text-align: left;
}
.stacked-bar-graph {
  width: 300px;
  height: 10px;
  color: #414042;
  white-space: nowrap;
  font-size: 5px;
}
.stacked-bar-graph span {
  display: inline-block;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  float: left;
  padding: 0;
}

		throw("pthread_attr_init")
	}
	// Allocate a new 2MB stack.
	if pthread_attr_setstack(&attr, 0, 0x200000) != 0 {
		throw("pthread_attr_setstack")
	}
	// Read back the allocated stack.
	if pthread_attr_getstack(&attr, unsafe.Pointer(&mp.g0.stack.hi), &size) != 0 {
		throw("pthread_attr_getstack")
	}
	mp.g0.stack.lo = mp.g0.stack.hi - uintptr(size)

}

// MatchStack assigns the current call stack a change ID.
// If the stack should be printed, MatchStack prints it.
// Then MatchStack reports whether a change at the current call stack should be enabled.
func (m *Matcher) Stack(w Writer) bool {
	if m == nil {
		return true
	}
	return m.stack(w)
}

// stack does the real work for Stack.
// This lets stack's body handle m == nil and potentially be inlined.

}
.details td {
  text-align: right;
  border: 1px solid #000;
}
.details td.id {
  text-align: left;
}
.stacked-bar-graph {
  width: 300px;
  height: 10px;
  color: #414042;
  white-space: nowrap;
  font-size: 5px;
}
.stacked-bar-graph span {
  display: inline-block;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  float: left;
  padding: 0;
}

				x := s.base() + i*s.elemsize
				trace.HeapObjectExists(x, s.typePointersOfUnchecked(x).typ)
			}
			abits.advance()
		}
	}

	// Write out all the goroutine stacks.
	forEachGRace(func(gp *g) {
		trace.GoroutineStackExists(gp.stack.lo, gp.stack.hi-gp.stack.lo)
	})
	traceRelease(trace)
}

func traceSpanTypeAndClass(s *mspan) traceArg {
	if s.state.get() == mSpanInUse {
		return traceArg(s.spanclass) << 1
	}

	KeepAlive(new)
	KeepAlive(old)
}
func sigprocmask_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func sigaltstack(new *stackt, old *stackt) {
	if new != nil && new.ss_flags&_SS_DISABLE != 0 && new.ss_size == 0 {
		// Despite the fact that Darwin's sigaltstack man page says it ignores the size
		// when SS_DISABLE is set, it doesn't. sigaltstack returns ENOMEM

	sc_fpscr  uint64
	sc_vscr   uint64
}

type siginfo struct {
	si_signo  int32
	si_code   int32
	si_errno  int32
	pad_cgo_0 [4]byte
	_data     [120]byte
}

type stackt struct {
	ss_sp     uintptr
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type timespec struct {
	tv_sec  int64
	tv_nsec int64
}

//go:nosplit

// alternate signal stack. If the alternate signal stack is not set
// for the thread (the normal case) then set the alternate signal
// stack to the gsignal stack. If the alternate signal stack is set
// for the thread (the case when a non-Go thread sets the alternate
// signal stack and then calls a Go function) then set the gsignal
// stack to the alternate signal stack. We also set the alternate