d := i * time.Microsecond
		t.Run(fmt.Sprint(d), func(t *testing.T) {
			testPreemptionAfterSyscall(t, d)
		})
	}
}

func TestGetgThreadSwitch(t *testing.T) {
	runtime.RunGetgThreadSwitchTest()
}

// TestNetpollBreak tests that netpollBreak can break a netpoll.
// This test is not particularly safe since the call to netpoll
// will pick up any stray files that are ready, but it should work

					panic("late non-emptyRest")
				}
				if k == n-1 && b.tophash[i] == emptyOne {
					panic("last non-emptyRest entry is emptyOne")
				}
				k++
			}
		}
	}
}

func RunGetgThreadSwitchTest() {
	// Test that getg works correctly with thread switch.
	// With gccgo, if we generate getg inlined, the backend
	// may cache the address of the TLS variable, which