}

	if debug.gccheckmark > 0 {
		// This is expensive when there's a large number of
		// Gs, so only do it if checkmark is also enabled.
		gcMarkRootCheck()
	}

	// Drop allg snapshot. allgs may have grown, in which case
	// this is the only reference to the old backing store and
	// there's no need to keep it around.
	work.stackRoots = nil

	}
	ourg.goroutineProfiled.Store(goroutineProfileSatisfied)
	goroutineProfile.offset.Store(1)

	// Prepare for all other goroutines to enter the profile. Aside from ourg,
	// every goroutine struct in the allgs list has its goroutineProfiled field
	// cleared. Any goroutine created from this point on (while
	// goroutineProfile.active is set) will start with its goroutineProfiled
	// field set to goroutineProfileSatisfied.

					// the work involved in collecting a goroutine profile,
					// which is O(N) with the high-water mark of the number of
					// goroutines in this process (in the allgs slice).
					runtime.Gosched()
				}
				if i == 0 {
					ready.Done()
				}
			}
		}()

		// Short-lived goroutines exercise different code paths (goroutines with