1 The following is a demonstration of the hotspot.d script. 2 3 Here the script is run while a large file is copied from one filesystem 4 (cmdk0 102,0) to another (cmdk0 102,3). We can see the file mostly resided 5 around the 9000 to 10999 Mb range on the source disk (102,0), and was 6 copied to the 0 to 999 Mb range on the target disk (102,3). 7 8 # ./hotspot.d 9 Tracing... Hit Ctrl-C to end. 10 ^C 11 Disk: cmdk0 Major,Minor: 102,3 12 13 value ------------- Distribution ------------- count 14 < 0 | 0 15 0 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 418 16 1000 | 0 17 18 Disk: cmdk0 Major,Minor: 102,0 19 20 value ------------- Distribution ------------- count 21 < 0 | 0 22 0 | 1 23 1000 | 5 24 2000 | 0 25 3000 | 0 26 4000 | 0 27 5000 | 0 28 6000 | 0 29 7000 | 0 30 8000 | 0 31 9000 |@@@@@ 171 32 10000 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1157 33 11000 | 0 34 35
Indexes created Wed Apr 22 00:22:44 UTC 2026