Edit File: iotop.stp
#!/usr/bin/stap global reads, writes, total_io probe vfs.read.return { reads[execname()] += bytes_read } probe vfs.write.return { writes[execname()] += bytes_written } # print top 10 IO processes every 5 seconds probe timer.s(5) { foreach (name in writes) total_io[name] += writes[name] foreach (name in reads) total_io[name] += reads[name] printf ("%16s\t%10s\t%10s\n", "Process", "KB Read", "KB Written") foreach (name in total_io- limit 10) printf("%16s\t%10d\t%10d\n", name, reads[name]/1024, writes[name]/1024) delete reads delete writes delete total_io print("\n") }