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trace-events,pci: unify trace events format

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Unify format used by trace_pci_update_mappings_del(),
trace_pci_update_mappings_add(), trace_pci_cfg_write() and
trace_pci_cfg_read() to print the device name and bus number,
slot number and function number.

For instance:

  pci_cfg_read virtio-net-pci 00:0 @0x20 -> 0xffffc00c
  pci_cfg_write virtio-net-pci 00:0 @0x20 <- 0xfea0000c
  pci_update_mappings_del d=0x555810b92330 01:00.0 4,0xffffc000+0x4000
  pci_update_mappings_add d=0x555810b92330 01:00.0 4,0xfea00000+0x4000

becomes

  pci_cfg_read virtio-net-pci 01:00.0 @0x20 -> 0xffffc00c
  pci_cfg_write virtio-net-pci 01:00.0 @0x20 <- 0xfea0000c
  pci_update_mappings_del virtio-net-pci 01:00.0 4,0xffffc000+0x4000
  pci_update_mappings_add virtio-net-pci 01:00.0 4,0xfea00000+0x4000

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20211105192541.655831-1-lvivier@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Laurent Vivier 2021-11-05 20:25:41 +01:00 • committed by Michael S. Tsirkin
parent d5d24d859c
commit deeb956c40
3 changed files with 10 additions and 8 deletions
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6
hw/pci/pci_host.c
View file

@ -79,7 +79,8 @@ void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
return;
}
trace_pci_cfg_write(pci_dev->name, PCI_SLOT(pci_dev->devfn),
trace_pci_cfg_write(pci_dev->name, pci_dev_bus_num(pci_dev),
PCI_SLOT(pci_dev->devfn),
PCI_FUNC(pci_dev->devfn), addr, val);
pci_dev->config_write(pci_dev, addr, val, MIN(len, limit - addr));
}
@ -104,7 +105,8 @@ uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
}
ret = pci_dev->config_read(pci_dev, addr, MIN(len, limit - addr));
trace_pci_cfg_read(pci_dev->name, PCI_SLOT(pci_dev->devfn),
trace_pci_cfg_read(pci_dev->name, pci_dev_bus_num(pci_dev),
PCI_SLOT(pci_dev->devfn),
PCI_FUNC(pci_dev->devfn), addr, ret);
return ret;