$ go run examples/runtime-stack/main.go
sleeping for 1m10s before showing stack traces
1m10s has passed, dumping all stacksgoroutine 1 [running]:
main.main()
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:26 +0x228

goroutine 18 [sleep, 1 minutes]:
time.Sleep(0x104c533c00)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/time.go:188 +0xbf
main.sleepLoop(0x104c533c00)
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:37 +0x2b
created by main.main
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:12 +0x56

goroutine 19 [sleep, 1 minutes]:
time.Sleep(0x3b9aca00)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/time.go:188 +0xbf
main.sleepLoop(0x3b9aca00)
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:37 +0x2b
created by main.main
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:13 +0x77

goroutine 20 [chan receive, 1 minutes]:
main.chanReceiveForever()
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:43 +0x4d
created by main.main
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:14 +0x8f

goroutine 22 [sleep, 1 minutes]:
time.Sleep(0x3b9aca00)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/time.go:188 +0xbf
main.sleepLoop(0x3b9aca00)
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:37 +0x2b
created by main.indirectSleepLoop2
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:51 +0x3f

waiting indefinitely so you can press ctrl+\ to compare the output
^\SIGQUIT: quit
PC=0x7fff739f9882 m=0 sigcode=0

goroutine 0 [idle]:
runtime.pthread_cond_wait(0x1172620, 0x11725e0, 0x7ffe00000000)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/sys_darwin.go:414 +0x39
runtime.semasleep(0xffffffffffffffff, 0x103af45)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/os_darwin.go:63 +0x8d
runtime.notesleep(0x11723e8)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/lock_sema.go:181 +0xe7
runtime.stopm()
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/proc.go:1924 +0xc5
runtime.findrunnable(0xc000029800, 0x0)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/proc.go:2485 +0xa7f
runtime.schedule()
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/proc.go:2683 +0x2d7
runtime.park_m(0xc000082600)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/proc.go:2851 +0x9d
runtime.mcall(0x10613d6)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/asm_amd64.s:318 +0x5b

goroutine 1 [chan receive, 3 minutes]:
main.chanReceiveForever(...)
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:43
main.main()
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:32 +0x33d

goroutine 18 [sleep]:
time.Sleep(0x104c533c00)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/time.go:188 +0xbf
main.sleepLoop(0x104c533c00)
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:37 +0x2b
created by main.main
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:12 +0x56

goroutine 19 [sleep]:
time.Sleep(0x3b9aca00)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/time.go:188 +0xbf
main.sleepLoop(0x3b9aca00)
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:37 +0x2b
created by main.main
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:13 +0x77

goroutine 20 [chan receive, 4 minutes]:
main.chanReceiveForever()
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:43 +0x4d
created by main.main
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:14 +0x8f

goroutine 22 [sleep]:
time.Sleep(0x3b9aca00)
	/usr/local/Cellar/go/1.15.6/libexec/src/runtime/time.go:188 +0xbf
main.sleepLoop(0x3b9aca00)
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:37 +0x2b
created by main.indirectSleepLoop2
	/Users/felix.geisendoerfer/go/src/github.com/felixge/go-profiler-notes/examples/runtime-stack/main.go:51 +0x3f

rax    0x104
rbx    0x2
rcx    0x7ffeefbff248
rdx    0xec00
rdi    0x1172620
rsi    0xec010000ed00
rbp    0x7ffeefbff2e0
rsp    0x7ffeefbff248
r8     0x0
r9     0xa0
r10    0x0
r11    0x202
r12    0x1172620
r13    0x16
r14    0xec010000ed00
r15    0x167fdc0
rip    0x7fff739f9882
rflags 0x203
cs     0x7
fs     0x0
gs     0x0
exit status 2