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Re: [Qemu-devel] [PATCH] trace: Trace SCSI request lifecycle
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH] trace: Trace SCSI request lifecycle |
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Date: |
Mon, 8 Nov 2010 21:30:16 +0000 |
On Mon, Nov 8, 2010 at 7:18 PM, Blue Swirl <address@hidden> wrote:
> On Mon, Nov 8, 2010 at 9:44 AM, Stefan Hajnoczi
> <address@hidden> wrote:
>> This patch adds trace events for SCSI request allocation, freeing, CDB
>> parsing, read, and write. These trace events can be used to instrument
>> the SCSI request lifecycle.
>
> How about converting also the DPRINTFs in hw/scsi-disk.c to tracepoints?
Good idea. I don't understand the SCSI emulation well enough to trace
the rest, so I couldn't do much besides a mechanical conversion.
Stefan