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pci: add pci test device

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This device is used for kvm unit tests,
currently it supports testing performance of ioeventfd.
Using updated kvm unittest, here's an example output:
        mmio-no-eventfd:pci-mem 8796
        mmio-wildcard-eventfd:pci-mem 3609
        mmio-datamatch-eventfd:pci-mem 3685
        portio-no-eventfd:pci-io 5287
        portio-wildcard-eventfd:pci-io 1762
        portio-datamatch-eventfd:pci-io 1777

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-03-31 15:31:14 +03:00
parent 41cb62c2d9
commit 22773d6066
5 changed files with 354 additions and 0 deletions
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1
default-configs/pci.mak
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@ -24,3 +24,4 @@ CONFIG_SERIAL=y
CONFIG_SERIAL_PCI=y
CONFIG_IPACK=y
CONFIG_WDT_IB6300ESB=y
CONFIG_PCI_TESTDEV=y