// If we're executing, start the slice from here.
		gs.activeRanges[name] = activeRange{ts, stack}
	} else {
		// If the goroutine isn't executing, there's no place for
		// us to create a slice from. Wait until it starts executing.
		gs.activeRanges[name] = activeRange{0, stack}
	}
}

// rangeActive indicates that a special range of time has been in progress.
func (gs *gState[R]) rangeActive(name string) {

type computePprofFunc func(gToIntervals map[trace.GoID][]interval, events []trace.Event) ([]traceviewer.ProfileRecord, error)

// computePprofIO returns a computePprofFunc that generates IO pprof-like profile (time spent in
// IO wait, currently only network blocking event).
func computePprofIO() computePprofFunc {
	return makeComputePprofFunc(trace.GoWaiting, func(reason string) bool {
		return reason == "network"
	})
}

			gracePeriod = gp
		}

		// When we run commands that execute subprocesses, we want to reserve two
		// grace periods to clean up. We will send the first termination signal when
		// the context expires, then wait one grace period for the process to
		// produce whatever useful output it can (such as a stack trace). After the
		// first grace period expires, we'll escalate to os.Kill, leaving the second

		psrc, msrc, savesrc, countsrc, errsrc = chunkedGrab(sources, fetch, obj, ui, tr)
	}()
	go func() {
		defer wg.Done()
		pbase, mbase, savebase, countbase, errbase = chunkedGrab(bases, fetch, obj, ui, tr)
	}()
	wg.Wait()
	save := savesrc || savebase

	if errsrc != nil {
		return nil, nil, nil, nil, false, fmt.Errorf("problem fetching source profiles: %v", errsrc)
	}
	if errbase != nil {

	<li><a href="#ranges">Special ranges</a></li>
</ul>

<h3 id="summary">Summary</h3>

{{ with $p := filterParams .Filter}}
<table class="summary">
	<tr>
		<td>Network wait profile:</td>
		<td> <a href="/regionio?{{$p}}">graph</a> <a href="/regionio?{{$p}}&raw=1" download="io.profile">(download)</a></td>
	</tr>
	<tr>
		<td>Sync block profile:</td>

// surrounding function has not yet been extended to accept a Context
// parameter).
func TODO() Context {
	return todoCtx{}
}

// A CancelFunc tells an operation to abandon its work.
// A CancelFunc does not wait for the work to stop.
// A CancelFunc may be called by multiple goroutines simultaneously.
// After the first call, subsequent calls to a CancelFunc do nothing.
type CancelFunc func()

	defer timer.Stop()

	// Wait on all the contexts in a random order.
	for ctx := range m {
		select {
		case <-ctx.Done():
		case <-stuck:
			buf := make([]byte, 10<<10)
			n := runtime.Stack(buf, true)
			t.Fatalf("timed out after %v waiting for <-ctx.Done(); stacks:\n%s", d, buf[:n])
		}
	}
	// Wait for all the cancel functions to return.
	done := make(chan struct{})

		si := dwarfp[i]
		if si.secSym() != loader.Sym(sect.Sym) ||
			ctxt.loader.SymSect(si.secSym()) != sect {
			panic("inconsistency between dwarfp and Segdwarf")
		}
		relocSect(ctxt, sect, si.syms)
	}
	wg.Wait()
}

// hostobjMachoPlatform returns the first platform load command found
// in the host object, if any.
func hostobjMachoPlatform(h *Hostobj) (*MachoPlatformLoad, error) {
	f, err := os.Open(h.file)

	ACSRRSI
	ACSRRCI

	// 3.2.1: Environment Call and Breakpoint
	AECALL
	ASCALL
	AEBREAK
	ASBREAK

	// 3.2.2: Trap-Return Instructions
	AMRET
	ASRET
	ADRET

	// 3.2.3: Wait for Interrupt
	AWFI

	// 4.2.1: Supervisor Memory-Management Fence Instruction
	ASFENCEVMA

	//
	// RISC-V Bit-Manipulation ISA-extensions (1.0)
	//

	// 1.1: Address Generation Instructions (Zba)

	}

	n.SetTypecheck(2)
	n = typecheck1(n, top)
	n.SetTypecheck(1)

	t := n.Type()
	if t != nil && !t.IsFuncArgStruct() && n.Op() != ir.OTYPE {
		switch t.Kind() {
		case types.TFUNC, // might have TANY; wait until it's called
			types.TANY, types.TFORW, types.TIDEAL, types.TNIL, types.TBLANK:
			break

		default:
			types.CheckSize(t)
		}
	}

	return n
}