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| author | wenji <wenji> | 2007-09-16 02:12:14 +0000 |
|---|---|---|
| committer | wenji <wenji> | 2007-09-16 02:12:14 +0000 |
| commit | ca55dccb1472fec954347b0a00aa9f741d3f063a (patch) | |
| tree | 82156d22d59bc1ece39641a91eaa5b97fff9b9d2 /examples/iostat-scsi.stp | |
| parent | 5010cebe245517a87bc81086c67203af98a523d7 (diff) | |
| download | systemtap-steved-ca55dccb1472fec954347b0a00aa9f741d3f063a.tar.gz systemtap-steved-ca55dccb1472fec954347b0a00aa9f741d3f063a.tar.xz systemtap-steved-ca55dccb1472fec954347b0a00aa9f741d3f063a.zip | |
2007-09-15 Wenji Huang <wenji.huang@oracle.com>
* iostat-scsi.stp: Make module probe optional,clarify reference to flags.
* small_demos/sched_snoop.stp(scheduler.migrage,scheduler.balance): Make optional.
Diffstat (limited to 'examples/iostat-scsi.stp')
| -rw-r--r-- | examples/iostat-scsi.stp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/examples/iostat-scsi.stp b/examples/iostat-scsi.stp index f02f4275..63b0496c 100644 --- a/examples/iostat-scsi.stp +++ b/examples/iostat-scsi.stp @@ -1,20 +1,24 @@ -#! /usr/bin/stap +#!/bin/env stap global devices, reads, writes /* data collection: SCSI disk */ -probe module("sd_mod").function("sd_init_command") { +probe module("sd_mod").function("sd_init_command") ?, kernel.function("sd_init_command") ? { device=kernel_string($SCpnt->request->rq_disk->disk_name) sector_size=$SCpnt->device->sector_size nr_sectors=$SCpnt->request->nr_sectors devices[device] = 1 - if ($SCpnt->request->flags /* cmd_flags on some kernels */ & 1) +%(kernel_v>="2.6.19" %? + if ($SCpnt->request->cmd_flags & 1) +%: + if ($SCpnt->request->flags & 1) +%) writes[device] <<< nr_sectors * sector_size else reads[device] <<< nr_sectors * sector_size } /* data collection: SCSI tape */ -probe module("st").function("st_do_scsi") { +probe module("st").function("st_do_scsi") ?, kernel.function("st_do_scsi") ? { device=kernel_string($STp->disk->disk_name) devices[device] = 1 if ($direction) |