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Support PCI IDs
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This will help in identifying devices even better.
Example: NVMe local devices vs remote storage devices when disc controller type == NVMe.
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@SRIKKANTH
SRIKKANTH committed Sep 24, 2024
1 parent a51e6dc commit 0e7e664
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Showing 2 changed files with 124 additions and 53 deletions.
176 changes: 123 additions & 53 deletions lisa/tools/lspci.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,6 @@
from lisa.util import (
LisaException,
constants,
find_group_in_lines,
find_groups_in_lines,
find_patterns_in_lines,
get_matched_str,
)
Expand Down Expand Up @@ -43,12 +41,16 @@
re.MULTILINE,
)

# With -mnn option, result would be with vendor/device id
# d8:00.0 "Ethernet controller [0200]" "Mellanox Technologies [15b3]"
# "MT27520 Family [ConnectX-3 Pro] [1007]" "Mellanox Technologies [15b3]"
# "Mellanox Technologies ConnectX-3 Pro Stand-up dual-port 40GbE MCX314A-BCCT [0006]"
PATTERN_DEVICE_ID = re.compile(r"\[(?P<id>[^\]]{4})\]")

# lspci -n
# 19e3:00:00.0 0108: 1414:b111 (rev 01)
# 2b5c:00:00.0 0108: 1414:b111 (rev 01)
# d2e9:00:00.0 0108: 1414:00a9
# d3f4:00:02.0 0200: 15b3:101a (rev 80)
PATTERN_PCI_DEVICE_ID = re.compile(
r"^(?P<slot>[^\s]+)\s+(?P<controller_id>[0-9a-fA-F]{4}):\s+"
r"(?P<vendor_id>[0-9a-fA-F]{4}):(?P<device_id>[0-9a-fA-F]{4})",
re.MULTILINE,
)

DEVICE_TYPE_DICT: Dict[str, List[str]] = {
constants.DEVICE_TYPE_SRIOV: ["Ethernet controller"],
Expand All @@ -60,6 +62,47 @@
constants.DEVICE_TYPE_GPU: ["NVIDIA Corporation"],
}

DEVICE_ID_DICT: Dict[str, List[str]] = {
constants.DEVICE_TYPE_SRIOV: [
"1004", # Mellanox Technologies MT27500/MT27520 Family [ConnectX-3/ConnectX-3 Pro Virtual Function] # noqa: E501
"1016", # Mellanox Technologies MT27710 Family [ConnectX-4 Lx Virtual Function]
"101a", # Mellanox Technologies MT28800 Family [ConnectX-5 Ex Virtual Function]
],
constants.DEVICE_TYPE_NVME: [
"b111" # Microsoft Corporation Device, Local NVMe discs
],
constants.DEVICE_TYPE_ASAP: [
"00a9" # Remote discs connected using NVMe disc controller
],
constants.DEVICE_TYPE_GPU: [
"1db4", # NVIDIA Corporation GV100GL [Tesla V100 PCIe 16GB]
"1eb8", # NVIDIA Corporation TU104GL [Tesla T4]
"13f2", # NVIDIA Corporation GM204GL [Tesla M60]
"74b5", # Advanced Micro Devices, Inc. [AMD/ATI]
],
}

VENDOR_ID_DICT: Dict[str, List[str]] = {
constants.DEVICE_TYPE_SRIOV: [
"1414", # Microsoft Corporation
"15b3", # Mellanox Technologies
],
constants.DEVICE_TYPE_NVME: ["1414"], # Microsoft Corporation
constants.DEVICE_TYPE_GPU: ["10de"], # NVIDIA Corporation
}

CONTROLLER_ID_DICT: Dict[str, List[str]] = {
constants.DEVICE_TYPE_SRIOV: [
"0200", # Ethernet controller
],
constants.DEVICE_TYPE_NVME: [
"0108", # Non-Volatile memory controller
],
constants.DEVICE_TYPE_GPU: [
"0302", # VGA compatible controller"
],
}

# Kernel driver in use: mlx4_core
# Kernel driver in use: mlx5_core
# Kernel driver in use: mlx4_core\r
Expand All @@ -68,8 +111,8 @@


class PciDevice:
def __init__(self, pci_device_raw: str) -> None:
self.parse(pci_device_raw)
def __init__(self, pci_device_raw: str, pci_ids: Dict[str, Any]) -> None:
self.parse(pci_device_raw, pci_ids)

def __str__(self) -> str:
return (
Expand All @@ -78,43 +121,21 @@ def __str__(self) -> str:
f"vendor: {self.vendor}, "
f"info: {self.device_info}, "
f"vendor_id: {self.vendor_id}, "
f"device_id: {self.device_id}"
f"device_id: {self.device_id}, "
f"controller_id: {self.controller_id} "
)

def parse(self, raw_str: str) -> None:
matched_pci_device_info_list = find_groups_in_lines(
lines=raw_str,
pattern=PATTERN_PCI_DEVICE,
)
if matched_pci_device_info_list:
matched_pci_device_info = matched_pci_device_info_list[0]
self.slot = matched_pci_device_info.get("slot", "").strip()
assert self.slot, f"Can not find slot info for: {raw_str}"

device_class = matched_pci_device_info.get("device_class", "")
assert device_class, f"Can not find device class for: {raw_str}"
self.device_class = PATTERN_DEVICE_ID.sub("", device_class).strip()

vendor = matched_pci_device_info.get("vendor", "")
assert vendor, f"Can not find vendor info for: {raw_str}"
vendor_id_raw = find_group_in_lines(
lines=vendor,
pattern=PATTERN_DEVICE_ID,
single_line=False,
)
self.vendor_id = vendor_id_raw.get("id", "")
assert self.vendor_id, f"cannot find vendor id from {raw_str}"
self.vendor = PATTERN_DEVICE_ID.sub("", vendor).strip()

self.device_info = matched_pci_device_info.get("device", "")
assert self.device_info, f"Can not find device info for: {raw_str}"
device_id_raw = find_group_in_lines(
lines=self.device_info,
pattern=PATTERN_DEVICE_ID,
single_line=False,
)
self.device_id = device_id_raw.get("id", "")
assert self.device_id, f"cannot find device id from {raw_str}"
def parse(self, raw_str: str, pci_ids: Dict[str, Any]) -> None:
matched_pci_device_info = PATTERN_PCI_DEVICE.match(raw_str)
if matched_pci_device_info:
self.slot = matched_pci_device_info.group("slot")
self.device_class = matched_pci_device_info.group("device_class")
self.vendor = matched_pci_device_info.group("vendor")
self.device_info = matched_pci_device_info.group("device")
if pci_ids:
self.device_id = pci_ids[self.slot]["device_id"]
self.vendor_id = pci_ids[self.slot]["vendor_id"]
self.controller_id = pci_ids[self.slot]["controller_id"]
else:
raise LisaException("cannot find any matched pci devices")

Expand Down Expand Up @@ -152,37 +173,84 @@ def get_device_names_by_type(
return devices_slots

def get_devices_by_type(
self, device_type: str, force_run: bool = False
self, device_type: str, force_run: bool = False, use_pci_ids: bool = False
) -> List[PciDevice]:
if device_type.upper() not in DEVICE_TYPE_DICT.keys():
raise LisaException(
f"pci_type '{device_type}' is not supported to be searched."
)
class_names = DEVICE_TYPE_DICT[device_type.upper()]
devices_list = self.get_devices(force_run)
device_type_list = [x for x in devices_list if x.device_class in class_names]
device_type_list = []
if use_pci_ids:
for device in devices_list:
if (
device.controller_id in CONTROLLER_ID_DICT[device_type.upper()]
and device.vendor_id in VENDOR_ID_DICT[device_type.upper()]
and device.device_id in DEVICE_ID_DICT[device_type.upper()]
):
device_type_list.append(device)
else:
class_names = DEVICE_TYPE_DICT[device_type.upper()]
device_type_list = [
x for x in devices_list if x.device_class in class_names
]
return device_type_list

def get_devices(self, force_run: bool = False) -> List[PciDevice]:
if (not self._pci_devices) or force_run:
self._pci_devices = []
self._pci_ids = {}
# Ensure pci device ids and name mappings are updated.
self.node.execute("update-pciids", sudo=True, shell=True)

# Fetching the id information using 'lspci -nnm' is not reliable
# due to inconsistencies in device id patterns.
# Example output of 'lspci -nnm':
# d2e9:00:00.0 "Non-Volatile memory controller [0108]" "Microsoft Corporation [1414]" "Device [00a9]" -p02 "Microsoft Corporation [1414]" "Device [0000]" # noqa: E501
# d3f4:00:02.0 "Ethernet controller [0200]" "Mellanox Technologies [15b3]" "MT28800 Family [ConnectX-5 Ex Virtual Function] [101a]" -r80 "Mellanox Technologies [15b3]" "MT28800 Family [ConnectX-5 Ex Virtual Function] [0127]" # noqa: E501
# Sample 'lspci -n' output for above devices:
# d2e9:00:00.0 0108: 1414:00a9
# d3f4:00:02.0 0200: 15b3:101a (rev 80)
# Fetch pci ids using 'lspci -n':
result = self.run(
"-n",
force_run=force_run,
shell=True,
expected_exit_code=0,
sudo=True,
)
for pci_raw in result.stdout.splitlines():
pci_device_id_info = {}
matched_pci_device_info = PATTERN_PCI_DEVICE_ID.match(pci_raw)
if matched_pci_device_info:
pci_device_id_info[matched_pci_device_info.group("slot")] = {
"device_id": matched_pci_device_info.group("device_id"),
"vendor_id": matched_pci_device_info.group("vendor_id"),
"controller_id": matched_pci_device_info.group("controller_id"),
}
else:
raise LisaException("cannot find any matched pci ids")
self._pci_ids.update(pci_device_id_info)

result = self.run(
"-Dmnn",
"-m",
force_run=force_run,
shell=True,
expected_exit_code=0,
sudo=True,
)
for pci_raw in result.stdout.splitlines():
pci_device = PciDevice(pci_raw)
pci_device = PciDevice(pci_raw, self._pci_ids)
self._pci_devices.append(pci_device)

return self._pci_devices

def disable_devices_by_type(self, device_type: str) -> int:
devices = self.get_devices_by_type(device_type, force_run=True)
def disable_devices_by_type(
self, device_type: str, use_pci_ids: bool = False
) -> int:
devices = self.get_devices_by_type(
device_type, force_run=True, use_pci_ids=use_pci_ids
)
if 0 == len(devices):
raise LisaException(f"No matched device type {device_type} found.")
for device in devices:
Expand Down Expand Up @@ -290,7 +358,9 @@ def enable_devices(self) -> None:
self._enable_device(device)
self._disabled_devices.clear()

def disable_devices_by_type(self, device_type: str) -> int:
def disable_devices_by_type(
self, device_type: str, use_pci_ids: bool = False
) -> int:
devices = self.get_device_names_by_type(device_type, force_run=True)
for device in devices:
self._disable_device(device)
Expand Down
1 change: 1 addition & 0 deletions lisa/util/constants.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,7 @@
DEVICE_TYPE_SRIOV = "SRIOV"
DEVICE_TYPE_NVME = "NVME"
DEVICE_TYPE_GPU = "GPU"
DEVICE_TYPE_ASAP = "ASAP"

DISK_PERFORMANCE_TOOL_FIO = "fio"
NETWORK_PERFORMANCE_TOOL_NTTTCP = "ntttcp"
Expand Down

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