if gcphase == _GCmark || gcphase == _GCmarktermination {
		tl.GCActive()
	}

	// Dump a snapshot of memory, if enabled.
	if trace.enabledWithAllocFree {
		traceSnapshotMemory(firstGen)
	}

	// Record the heap goal so we have it at the very beginning of the trace.
	tl.HeapGoal()

	// Make sure a ProcStatus is emitted for every P, while we're here.
	for _, pp := range allp {