Process 74 attached - interrupt to quit
     0.000000 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [12])
     5.142624 accept(12, {sa_family=AF_FILE, path="	"}, [2]) = 29
     0.006916 fcntl64(29, F_GETFL)      = 0x2 (flags O_RDWR)
     0.006149 fcntl64(29, F_SETFL, O_RDWR|O_NONBLOCK) = 0
     0.006441 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29], [], [], NULL) = 1 (in [29])
     0.007297 ioctl(29, FIONREAD, [20]) = 0
     0.006224 read(29, "\x02\x81\x0c\x00\x00\x00\x00\x00\x8f\x02\x00\x00\x00\x00"..., 20) = 20
 | 00000  02 81 0c 00 00 00 00 00  8f 02 00 00 00 00 15 41  ........ .......A |
 | 00010  00 00 00 00                                       ....              |
     0.007316 select(30, [], [29], [], {0, 0}) = 1 (out [29], left {0, 0})
     0.006725 write(29, "\x02\x81\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  02 81 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.007304 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29], [], [], NULL) = 1 (in [29])
     0.325576 ioctl(29, FIONREAD, [8])  = 0
     0.012634 read(29, "\x15\x87\x00\x00\x00\x00\x00\x00", 8) = 8
 | 00000  15 87 00 00 00 00 00 00                           ........          |
     0.006814 times({tms_utime=83, tms_stime=149, tms_cutime=12, tms_cstime=5}) = 583062
     0.006849 times({tms_utime=83, tms_stime=149, tms_cutime=12, tms_cstime=5}) = 583063
     0.006185 times({tms_utime=83, tms_stime=149, tms_cutime=12, tms_cstime=5}) = 583064
     0.006333 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29], [8], [], {14, 980000}) = 1 (out [8], left {14, 980000})
     0.006907 write(8, "AT+ENTTIME?\r", 12) = 12
 | 00000  41 54 2b 45 4e 54 54 49  4d 45 3f 0d              AT+ENTTI ME?.     |
     0.007075 times({tms_utime=83, tms_stime=149, tms_cutime=12, tms_cstime=5}) = 583070
     0.046049 times({tms_utime=83, tms_stime=149, tms_cutime=12, tms_cstime=5}) = 583070
     0.001029 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29], [], [], {14, 920000}) = 1 (in [8], left {14, 910000})
     0.005782 ioctl(8, FIONREAD, [21])  = 0
     0.001103 read(8, "\r\n+ENTTIME: 0\r\n\r\nOK\r\n", 21) = 21
 | 00000  0d 0a 2b 45 4e 54 54 49  4d 45 3a 20 30 0d 0a 0d  ..+ENTTI ME: 0... |
 | 00010  0a 4f 4b 0d 0a                                    .OK..             |
     0.002510 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29], [29], [], NULL) = 1 (out [29])
     0.001608 write(29, "\x15\x87\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 13) = 13
 | 00000  15 87 05 00 00 00 00 00  00 00 00 00 00           ........ .....    |
     0.002325 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29], [], [], NULL