From: Alexander Gordeev <agordeev@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH RESEND v3 5/6] AHCI: Optimize single IRQ interrupt processing
Date: Wed, 1 Oct 2014 16:39:58 +0100 [thread overview]
Message-ID: <20141001153958.GF8971@agordeev.usersys.redhat.com> (raw)
In-Reply-To: <20141001153114.GE8971@agordeev.usersys.redhat.com>
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On Wed, Oct 01, 2014 at 04:31:14PM +0100, Alexander Gordeev wrote:
> I am attaching excerpts from some new perf tests I have done (this
Attaching :)
--
Regards,
Alexander Gordeev
agordeev@redhat.com
[-- Attachment #2: perf.hist.0-3.16.0.txt --]
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0.04% dd [kernel.kallsyms] [k] ata_std_qc_defer
0.04% dd [kernel.kallsyms] [k] ata_scsi_rw_xlat
0.03% dd [kernel.kallsyms] [k] ata_scsi_queuecmd
0.03% dd [kernel.kallsyms] [k] __ata_scsi_find_dev
0.02% dd [kernel.kallsyms] [k] ata_scsi_translate
0.02% dd [kernel.kallsyms] [k] ata_qc_new_init
0.02% dd [kernel.kallsyms] [k] ata_scsi_qc_complete
0.02% dd [kernel.kallsyms] [k] ata_build_rw_tf
0.01% dd [kernel.kallsyms] [k] ata_qc_issue
0.01% dd [kernel.kallsyms] [k] ata_sg_init
0.00% dd [kernel.kallsyms] [k] ata_tf_to_fis
0.00% dd [kernel.kallsyms] [k] ata_qc_complete_multiple
0.00% dd [kernel.kallsyms] [k] __ata_qc_complete
0.00% dd [kernel.kallsyms] [k] ata_qc_complete
0.00% dd [kernel.kallsyms] [k] ata_scsi_find_dev
0.00% dd [kernel.kallsyms] [k] ata_qc_free
0.04% dd [kernel.kallsyms] [k] ahci_interrupt
0.02% dd [kernel.kallsyms] [k] ahci_qc_issue
0.02% dd [kernel.kallsyms] [k] ahci_qc_prep
0.02% dd [kernel.kallsyms] [k] ahci_scr_read
0.01% dd [kernel.kallsyms] [k] ahci_handle_port_interrupt
0.01% dd [kernel.kallsyms] [k] ahci_pmp_qc_defer
0.00% dd [kernel.kallsyms] [k] ahci_scr_write
[-- Attachment #3: perf.hist.0-3.16.0.opt-intr.txt --]
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0.04% dd [kernel.kallsyms] [k] ata_scsi_queuecmd
0.03% dd [kernel.kallsyms] [k] ata_scsi_rw_xlat
0.03% dd [kernel.kallsyms] [k] ata_scsi_translate
0.03% dd [kernel.kallsyms] [k] ata_qc_new_init
0.02% dd [kernel.kallsyms] [k] ata_build_rw_tf
0.02% dd [kernel.kallsyms] [k] ata_qc_issue
0.01% dd [kernel.kallsyms] [k] ata_sg_init
0.01% dd [kernel.kallsyms] [k] ata_std_qc_defer
0.01% dd [kernel.kallsyms] [k] ata_tf_to_fis
0.00% dd [kernel.kallsyms] [k] ata_scsi_find_dev
0.00% dd [kernel.kallsyms] [k] __ata_scsi_find_dev
0.02% dd [kernel.kallsyms] [k] ahci_qc_prep
0.02% dd [kernel.kallsyms] [k] ahci_qc_issue
0.01% dd [kernel.kallsyms] [k] ahci_pmp_qc_defer
next prev parent reply other threads:[~2014-10-01 15:31 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-21 13:19 [PATCH RESEND v3 0/6] AHCI: Optimize interrupt processing Alexander Gordeev
2014-09-21 13:19 ` [PATCH RESEND v3 1/6] AHCI: Cleanup checking of multiple MSIs/SLM modes Alexander Gordeev
2014-09-23 20:18 ` Tejun Heo
2014-09-21 13:19 ` [PATCH RESEND v3 2/6] AHCI: Move host activation code into ahci_host_activate() Alexander Gordeev
2014-09-23 20:22 ` Tejun Heo
2014-09-23 20:55 ` Tejun Heo
2014-09-21 13:19 ` [PATCH RESEND v3 3/6] AHCI: Make few function names more descriptive Alexander Gordeev
2014-09-23 20:22 ` Tejun Heo
2014-09-21 13:19 ` [PATCH RESEND v3 4/6] AHCI: Get rid of redundant arg to ahci_handle_port_interrupt() Alexander Gordeev
2014-09-21 13:19 ` [PATCH RESEND v3 5/6] AHCI: Optimize single IRQ interrupt processing Alexander Gordeev
2014-09-23 20:57 ` Tejun Heo
2014-09-24 10:42 ` Alexander Gordeev
2014-09-24 13:04 ` Tejun Heo
2014-09-24 13:27 ` Chuck Ebbert
2014-09-24 13:36 ` Tejun Heo
2014-09-24 14:08 ` Alexander Gordeev
2014-09-24 14:39 ` Tejun Heo
2014-09-24 14:59 ` Alexander Gordeev
2014-09-25 3:27 ` Tejun Heo
2014-10-01 15:31 ` Alexander Gordeev
2014-10-01 15:39 ` Alexander Gordeev [this message]
2014-10-05 2:23 ` Tejun Heo
2014-10-05 16:16 ` Tejun Heo
2014-10-06 7:27 ` Alexander Gordeev
2014-10-06 12:58 ` Tejun Heo
2014-10-06 13:24 ` Alexander Gordeev
2014-10-06 14:54 ` Tejun Heo
2014-09-25 3:00 ` Elliott, Robert (Server Storage)
2014-09-21 13:19 ` [PATCH RESEND v3 6/6] AHCI: Do not read HOST_IRQ_STAT reg in multi-MSI mode Alexander Gordeev
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