diff options
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) |