go_profile.txt

Showing nodes accounting for 29.42s, 85.85% of 34.27s total
Dropped 389 nodes (cum <= 0.17s)
Showing top 10 nodes out of 125
      flat  flat%   sum%        cum   cum%
    22.63s 66.03% 66.03%     22.68s 66.18%  syscall.Syscall
     1.68s  4.90% 70.94%      1.68s  4.90%  runtime.mach_semaphore_signal
     1.12s  3.27% 74.20%      1.12s  3.27%  runtime.kevent
     1.08s  3.15% 77.36%      1.08s  3.15%  runtime.freedefer
     0.84s  2.45% 79.81%      0.84s  2.45%  runtime.usleep
     0.81s  2.36% 82.17%      0.81s  2.36%  runtime.mach_semaphore_wait
     0.69s  2.01% 84.18%      0.69s  2.01%  internal/poll.convertErr
     0.23s  0.67% 84.86%      0.39s  1.14%  runtime.scanobject
     0.20s  0.58% 85.44%      1.28s  3.74%  runtime.netpoll
     0.14s  0.41% 85.85%      1.31s  3.82%  runtime.mallocgc

---------------------------------------------------------------------------------------------

Showing nodes accounting for 10283.63kB, 100% of 10283.63kB total
Showing top 10 nodes out of 36
      flat  flat%   sum%        cum   cum%
 4111.02kB 39.98% 39.98%  4111.02kB 39.98%  bufio.NewWriterSize (inline)
 3084.01kB 29.99% 69.97%  3084.01kB 29.99%  bufio.NewReaderSize (inline)
 1024.38kB  9.96% 79.93%  1024.38kB  9.96%  runtime.malg
  528.17kB  5.14% 85.06%   528.17kB  5.14%  net/http.glob..func14
  512.05kB  4.98% 90.04%   512.05kB  4.98%  net/http.(*persistConn).writeLoop
  512.01kB  4.98% 95.02%   512.01kB  4.98%  net/textproto.(*Reader).ReadLine
     512kB  4.98%   100%      512kB  4.98%  net.newTCPConn
         0     0%   100%  3084.01kB 29.99%  bufio.NewReader
         0     0%   100%  1542.01kB 14.99%  bufio.NewWriter
         0     0%   100%   528.17kB  5.14%  io.Copy
         
 ---------------------------------------------------------------------------------------------

Showing nodes accounting for 24536290, 65.08% of 37701780 total
Dropped 71 nodes (cum <= 188508)
Showing top 10 nodes out of 53
      flat  flat%   sum%        cum   cum%
   8455996 22.43% 22.43%    9701214 25.73%  net/textproto.(*Reader).ReadMIMEHeader
   2779994  7.37% 29.80%    4599328 12.20%  net/http.(*persistConn).roundTrip
   2474035  6.56% 36.36%   10355733 27.47%  net/http.(*Client).Do
   2130814  5.65% 42.02%   11462043 30.40%  net/http.(*persistConn).readLoop
   2129951  5.65% 47.67%    3532519  9.37%  net/http.(*Request).write
   1622217  4.30% 51.97%    8735554 23.17%  net/http.(*conn).readRequest
   1310767  3.48% 55.45%    1314408  3.49%  context.WithCancel
   1251330  3.32% 58.76%    1251330  3.32%  net/textproto.MIMEHeader.Set
   1245202  3.30% 62.07%    1245202  3.30%  net/textproto.(*Reader).ReadLine
   1135984  3.01% 65.08%    1725835  4.58%  net/http.(*Client).makeHeadersCopier

----------------------------------------------------------------------------------------------

1.01s     29:	res, err := client.Get(uri)
         .          .     30:
         .          .     31:	if err != nil {
         .          .     32:		log.Println("|", res.Status, "|", uri, "|", err)
         .          .     33:	}
         .          .     34:
         .          .     35:	defer res.Body.Close()
         .          .     36:
      10ms      500ms     37:	io.Copy(w, res.Body)
         .       20ms     38:}

profile.svg