#! /bin/sh # This test should only be run when the scsi module is loaded (or scsi # functionality is built into the kernel). # We test for scsi functionality by grepping in /proc/kallsyms for # 'scsi_dispatch_cmd', which is what 'scsi.iodispatching' maps to. # If that mapping changes this grep command will also need changing. if ! grep scsi_dispatch_cmd /proc/kallsyms >/dev/null 2>&1 ; then echo "scsi funtionality not present - not running test"; exit 0; fi stap -p4 - << EOF probe scsi.ioentry { printf("%20s, disk_major=%d, disk_minor=%d, device_state=%s\n", probefunc(), disk_major, disk_minor, device_state_str) } probe scsi.iodispatching { printf("%20s, host_no=%d, channel=%d, lun=%d, dev_id=%d, device_state=%s, data_direction=%s, request_buffer=%p, request_bufflen=%d\n", probefunc(), host_no, channel, lun, dev_id, device_state_str, data_direction_str, request_buffer, request_bufflen) } probe scsi.iodone { printf("%20s, host_no=%d, channel=%d, lun=%d, dev_id=%d, device_state=%s, data_direction=%s, scsi_timer_pending=%d\n", probefunc(), host_no, channel, lun, dev_id, device_state_str, data_direction_str, scsi_timer_pending) } probe scsi.iocompleted { printf("%20s, host_no=%d, channel=%d, lun=%d, dev_id=%d, device_state=%s, data_direction=%s, goodbytes=%d\n\n", probefunc(), host_no, channel, lun, dev_id, device_state_str, data_direction_str, goodbytes) } probe scsi.set_state { printf("%20s, host_no=%d, channel=%d, lun=%d, dev_id=%d, old_state=%s, state=%s\n", probefunc(), host_no, channel, lun, dev_id, old_state_str, state_str) } probe scsi.ioexecute { printf("%20s, host_no=%d, channel=%d, lun=%d, dev_id=%d, device_state=%s, data_direction=%s, request_buffer=%p, request_bufflen=%d retries=%d, timeout=%d\n", probefunc(),host_no, channel, lun, dev_id, device_state_str, data_direction_str, request_buffer, request_bufflen, retries, timeout) } EOF