1*c29d5175SchristosThe following is a demonstration of the hotspot.d script. 2*c29d5175Schristos 3*c29d5175SchristosHere the script is run while a large file is copied from one filesystem 4*c29d5175Schristos(cmdk0 102,0) to another (cmdk0 102,3). We can see the file mostly resided 5*c29d5175Schristosaround the 9000 to 10999 Mb range on the source disk (102,0), and was 6*c29d5175Schristoscopied to the 0 to 999 Mb range on the target disk (102,3). 7*c29d5175Schristos 8*c29d5175Schristos # ./hotspot.d 9*c29d5175Schristos Tracing... Hit Ctrl-C to end. 10*c29d5175Schristos ^C 11*c29d5175Schristos Disk: cmdk0 Major,Minor: 102,3 12*c29d5175Schristos 13*c29d5175Schristos value ------------- Distribution ------------- count 14*c29d5175Schristos < 0 | 0 15*c29d5175Schristos 0 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 418 16*c29d5175Schristos 1000 | 0 17*c29d5175Schristos 18*c29d5175Schristos Disk: cmdk0 Major,Minor: 102,0 19*c29d5175Schristos 20*c29d5175Schristos value ------------- Distribution ------------- count 21*c29d5175Schristos < 0 | 0 22*c29d5175Schristos 0 | 1 23*c29d5175Schristos 1000 | 5 24*c29d5175Schristos 2000 | 0 25*c29d5175Schristos 3000 | 0 26*c29d5175Schristos 4000 | 0 27*c29d5175Schristos 5000 | 0 28*c29d5175Schristos 6000 | 0 29*c29d5175Schristos 7000 | 0 30*c29d5175Schristos 8000 | 0 31*c29d5175Schristos 9000 |@@@@@ 171 32*c29d5175Schristos 10000 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1157 33*c29d5175Schristos 11000 | 0 34*c29d5175Schristos 35