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

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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@xxxxxxxxxx
  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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