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SubjectRe: [PATCH RESEND v3 5/6] AHCI: Optimize single IRQ interrupt processing
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
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
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
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