diff options
Diffstat (limited to 'tapset/LKET/scsi.stp')
| -rwxr-xr-x | tapset/LKET/scsi.stp | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/tapset/LKET/scsi.stp b/tapset/LKET/scsi.stp deleted file mode 100755 index a1b76102..00000000 --- a/tapset/LKET/scsi.stp +++ /dev/null @@ -1,139 +0,0 @@ -// Copyright (C) 2005, 2006 IBM Corp. -// -// This file is part of systemtap, and is free software. You can -// redistribute it and/or modify it under the terms of the GNU General -// Public License (GPL); either version 2, or (at your option) any -// later version - -/*********************************************************** -* Trace the following activities of scsi layer: * -* 1. I/O Entry * -* 2. Issuing I/O to LLD * -* 3. I/O done by LLD * -* 4. I/O Complete * -* * -***********************************************************/ - -%{ -#include <linux/types.h> -#include <scsi/scsi_cmnd.h> -#include <scsi/scsi_device.h> -#include <scsi/scsi_host.h> -#include <linux/timer.h> -#include <linux/blkdev.h> -%} - -probe addevent.scsi - = addevent.scsi.ioentry, - addevent.scsi.iodispatching, - addevent.scsi.iodone, - addevent.scsi.iocompleted -{} - -/* mid-layer prepare a IO request */ -probe addevent.scsi.ioentry - += _addevent.scsi.ioentry -{ - update_record() -} - -probe _addevent.scsi.ioentry - = scsi.ioentry -{ - log_scsi_ioentry(disk_major, disk_minor, device_state, req_addr) -} - -/* Dispatch a command to the low-level driver. */ -probe addevent.scsi.iodispatching - += _addevent.scsi.iodispatching -{ - update_record() -} - -probe _addevent.scsi.iodispatching - = scsi.iodispatching -{ - log_scsi_dispatch(host_no, channel, lun, dev_id, device_state, - data_direction, request_buffer, request_bufflen, req_addr) -} - -/* I/O is done by low-level driver*/ -probe addevent.scsi.iodone - += _addevent.scsi.iodone -{ - update_record() -} - -probe _addevent.scsi.iodone - = scsi.iodone -{ - /* scsi timer check. We should record the hook only - * when the timer is inactive. But there's a gap between - * the checking and the actual calling of scsi_delete_timer. - */ - if( scsi_timer_pending == 1) { - log_scsi_iodone_extra(host_no, channel, lun, - dev_id, device_state, data_direction, req_addr) - } -} - -/* mid-layer processes the completed IO */ -probe addevent.scsi.iocompleted - += _addevent.scsi.iocompleted -{ - update_record() -} - -probe _addevent.scsi.iocompleted - = scsi.iocompleted -{ - log_scsi_iocompleted(host_no, channel, lun, dev_id, device_state, - data_direction, req_addr, goodbytes) -} - -/* log the info about scsi io entry */ -function log_scsi_ioentry(major:long, minor:long, dev_state:long, req_addr:long) -%{ - /* - major|minor|scsi_device_state|request_addr - */ - _lket_trace(_GROUP_SCSI, _HOOKID_SCSI_IOENTRY, "%1b%1b%1b%8b", - THIS->major, THIS->minor, THIS->dev_state, THIS->req_addr); -%} - -/* log the info about scsi_dispatching_cmd */ - -function log_scsi_dispatch(host_no:long, channel:long, lun:long, dev_id:long, - device_state:long, data_direction:long, request_buffer:long, - request_bufflen:long, req_addr:long) -%{ - _lket_trace(_GROUP_SCSI, _HOOKID_SCSI_IO_TO_LLD, "%1b%1b%1b%1b%1b%1b%8b%4b%8b", - THIS->host_no, THIS->channel, THIS->lun, THIS->dev_id, - THIS->device_state, THIS->data_direction, THIS->request_buffer, - THIS->request_bufflen, THIS->req_addr); -%} - -/* log the info about scsi_done */ -function log_scsi_iodone_extra(host_no:long, channel:long, lun:long, - dev_id:long, device_state:long, data_direction:long, - req_addr:long) -%{ - _lket_trace(_GROUP_SCSI, _HOOKID_SCSI_IODONE_BY_LLD, "%1b%1b%1b%1b%1b%1b%8b", - THIS->host_no, THIS->channel, THIS->lun, THIS->dev_id, - THIS->device_state, THIS->data_direction, THIS->req_addr); -%} - -/* log the info about scsi_dispatching_cmd */ -function log_scsi_iocompleted(host_no:long, channel:long, lun:long, dev_id:long, - device_state:long, data_direction:long, req_addr:long, goodbytes:long) -%{ - _lket_trace(_GROUP_SCSI, _HOOKID_SCSI_IOCOMP_BY_MIDLEVEL, - "%1b%1b%1b%1b%1b%1b%8b%4b", THIS->host_no, THIS->channel, - THIS->lun, THIS->dev_id, THIS->device_state, THIS->data_direction, - THIS->req_addr, THIS->goodbytes); -%} - -probe never -{ - printf("%d\n", GROUP_SCSI) -} |