1The following is a demonstration of the sysbypid.d command, 2 3 # sysbypid.d 4 Tracing... Hit Ctrl-C to end. 5 ^C 6 EXEC PID SYS VALUE 7 xterm 24030 rawch 1 8 sched 0 rcvint 1 9 fsflush 3 pswitch 1 10 dtrace 19235 inv_swtch 1 11 xterm 24030 syswrite 2 12 Xorg 3597 syswrite 2 13 xterm 24030 inv_swtch 2 14 dtrace 19235 pswitch 2 15 dtrace 19235 syswrite 2 16 soffice.bin 4019 pswitch 3 17 xterm 24030 pswitch 3 18 mozilla-bin 3730 inv_swtch 4 19 xterm 24030 sysread 4 20 mozilla-bin 3730 readch 9 21 mozilla-bin 3730 sysread 9 22 Xorg 3597 pswitch 10 23 Xorg 3597 sysread 11 24 mozilla-bin 3730 syswrite 13 25 java_vm 28209 pswitch 13 26 sched 0 pswitch 15 27 mozilla-bin 3730 pswitch 25 28 setiathome 3929 trap 26 29 setiathome 3929 pswitch 26 30 setiathome 3929 inv_swtch 26 31 dtrace 19235 writech 32 32 dtrace 19235 outch 34 33 dtrace 19235 trap 53 34 Xorg 3597 writech 64 35 xterm 24030 readch 96 36 xterm 24030 writech 133 37 mozilla-bin 3730 writech 905 38 Xorg 3597 readch 1044 39 40In the above output, the Xorg command with PID 3597 read 1044 bytes, as 41indicated by readch. 42 43mozilla-bin with PID 3730 wrote 905 bytes, as indicated by the writech. 44 45 46