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authorpmikus <peter.mikus@protonmail.ch>2023-10-05 12:27:08 +0000
committerPeter Mikus <peter.mikus@protonmail.ch>2023-10-09 12:09:10 +0000
commitc3ce59c652caaee06b3090f387f8826c15102703 (patch)
tree8665d3acd3c5c69baa0b329ff65217fb569b5e91 /resources/libraries
parent68f39d30d623b95dfe13a20d73313b7c173eec2a (diff)
feat(trex): Multilink
Signed-off-by: Peter Mikus <peter.mikus@protonmail.ch> Change-Id: I36c5d175a34555ad9ce88d69a824f366b54dbc81
Diffstat (limited to 'resources/libraries')
-rw-r--r--resources/libraries/python/Constants.py39
-rw-r--r--resources/libraries/python/CpuUtils.py11
-rw-r--r--resources/libraries/python/TRexConfigGenerator.py30
-rw-r--r--resources/libraries/python/TrafficGenerator.py4
4 files changed, 54 insertions, 30 deletions
diff --git a/resources/libraries/python/Constants.py b/resources/libraries/python/Constants.py
index 93f0b22ac8..a25cd6a30e 100644
--- a/resources/libraries/python/Constants.py
+++ b/resources/libraries/python/Constants.py
@@ -188,37 +188,46 @@ class Constants:
# Docker container arm SUT image
DOCKER_SUT_IMAGE_UBUNTU_ARM = u"csit_sut-ubuntu2204:local"
- # TRex install directory
+ # TRex install directory.
TREX_INSTALL_DIR = u"/opt/trex-core-3.03"
- # TRex pcap files directory
+ # TRex pcap files directory.
TREX_PCAP_DIR = f"{TREX_INSTALL_DIR}/scripts/avl"
# TRex limit memory.
- TREX_LIMIT_MEMORY = get_int_from_env(u"TREX_LIMIT_MEMORY", 8192)
+ TREX_LIMIT_MEMORY = get_int_from_env("TREX_LIMIT_MEMORY", 8192)
- # TRex number of cores
- TREX_CORE_COUNT = get_int_from_env(u"TREX_CORE_COUNT", 16)
+ # TRex limit memory in case multiple dual interfaces configurations.
+ TREX_LIMIT_MEMORY_MULTI = get_int_from_env("TREX_LIMIT_MEMORY_MULTI", 16384)
- # TRex set number of RX/TX descriptors
- # Set to 0 to use default values
+ # TRex number of cores.
+ TREX_CORE_COUNT = get_int_from_env("TREX_CORE_COUNT", 16)
+
+ # TRex number of cores in case multiple dual interface configurations.
+ TREX_CORE_COUNT_MULTI = get_int_from_env("TREX_CORE_COUNT_MULTI", 8)
+
+ # TRex set number of RX/TX descriptors.
+ # Set to 0 to use default values.
TREX_TX_DESCRIPTORS_COUNT = get_int_from_env(
- u"TREX_TX_DESCRIPTORS_COUNT", 0
+ "TREX_TX_DESCRIPTORS_COUNT", 0
)
+
TREX_RX_DESCRIPTORS_COUNT = get_int_from_env(
- u"TREX_RX_DESCRIPTORS_COUNT", 0
+ "TREX_RX_DESCRIPTORS_COUNT", 0
)
- # Trex force start regardless ports state
- TREX_SEND_FORCE = get_pessimistic_bool_from_env(u"TREX_SEND_FORCE")
+ # Trex force start regardless ports state.
+ TREX_SEND_FORCE = get_pessimistic_bool_from_env("TREX_SEND_FORCE")
- # TRex extra commandline arguments
+ # TRex extra commandline arguments.
TREX_EXTRA_CMDLINE = get_str_from_env(
- u"TREX_EXTRA_CMDLINE", u"--mbuf-factor 32")
+ "TREX_EXTRA_CMDLINE", "--mbuf-factor 32"
+ )
- # TRex port driver default vfio-pci or set to igb_uio
+ # TRex port driver default vfio-pci or set to igb_uio.
TREX_PORT_DRIVER = get_str_from_env(
- u"TREX_PORT_DRIVER", u"vfio-pci")
+ "TREX_PORT_DRIVER", "vfio-pci"
+ )
# Graph node variant value
GRAPH_NODE_VARIANT = get_str_from_env(u"GRAPH_NODE_VARIANT", u"")
diff --git a/resources/libraries/python/CpuUtils.py b/resources/libraries/python/CpuUtils.py
index 5f43e211a2..8871a5b651 100644
--- a/resources/libraries/python/CpuUtils.py
+++ b/resources/libraries/python/CpuUtils.py
@@ -388,7 +388,7 @@ class CpuUtils:
@staticmethod
def get_affinity_trex(
- node, if_key, tg_mtc=1, tg_dtc=1, tg_ltc=1):
+ node, if_key, tg_mtc=1, tg_dtc=1, tg_ltc=1, tg_dtc_offset=0):
"""Get affinity for T-Rex. Result will be used to pin T-Rex threads.
:param node: TG node.
@@ -396,11 +396,13 @@ class CpuUtils:
:param tg_mtc: TG main thread count.
:param tg_dtc: TG dataplane thread count.
:param tg_ltc: TG latency thread count.
+ :param tg_dtc_offset: TG dataplane thread offset.
:type node: dict
:type if_key: str
:type tg_mtc: int
:type tg_dtc: int
:type tg_ltc: int
+ :type tg_dtc_offset: int
:returns: List of CPUs allocated to T-Rex including numa node.
:rtype: int, int, int, list
"""
@@ -412,12 +414,11 @@ class CpuUtils:
smt_used=False)
threads = CpuUtils.cpu_slice_of_list_per_node(
- node, cpu_node, skip_cnt=tg_mtc, cpu_cnt=tg_dtc,
- smt_used=False)
+ node, cpu_node, skip_cnt=tg_mtc + tg_ltc + tg_dtc_offset,
+ cpu_cnt=tg_dtc, smt_used=False)
latency_thread_id = CpuUtils.cpu_slice_of_list_per_node(
- node, cpu_node, skip_cnt=tg_mtc + tg_dtc, cpu_cnt=tg_ltc,
- smt_used=False)
+ node, cpu_node, skip_cnt=tg_mtc, cpu_cnt=tg_ltc, smt_used=False)
return master_thread_id[0], latency_thread_id[0], cpu_node, threads
diff --git a/resources/libraries/python/TRexConfigGenerator.py b/resources/libraries/python/TRexConfigGenerator.py
index e5ac19647f..c73e24960a 100644
--- a/resources/libraries/python/TRexConfigGenerator.py
+++ b/resources/libraries/python/TRexConfigGenerator.py
@@ -225,12 +225,12 @@ class TrexConfigGenerator:
exec_cmd_no_error(self._node, command, message=message)
-class TrexInitConfig:
- """TRex Initial Configuration.
+class TrexConfig:
+ """TRex Configuration Class.
"""
@staticmethod
- def init_trex_startup_configuration(node, tg_topology):
- """Apply initial TRex startup configuration.
+ def add_startup_configuration(node, tg_topology):
+ """Apply TRex startup configuration.
:param node: TRex node in the topology.
:param tg_topology: Ordered TRex links.
@@ -243,16 +243,24 @@ class TrexInitConfig:
master_thread_id = None
latency_thread_id = None
cores = None
- limit_memory = f"{Constants.TREX_LIMIT_MEMORY}"
sockets = list()
- for link in tg_topology:
+ for idx, link in enumerate(tg_topology):
pci_addresses.append(
Topology().get_interface_pci_addr(node, link["interface"])
)
+ if len(tg_topology) > 2:
+ # Multiple dual_ifs must not share the cores.
+ tg_dtc = Constants.TREX_CORE_COUNT_MULTI
+ tg_dtc_offset = Constants.TREX_CORE_COUNT_MULTI * (idx // 2)
+ else:
+ # Single dual_if can share cores.
+ tg_dtc = Constants.TREX_CORE_COUNT
+ tg_dtc_offset = 0
master_thread_id, latency_thread_id, socket, threads = \
CpuUtils.get_affinity_trex(
- node, link["interface"], tg_dtc=Constants.TREX_CORE_COUNT
+ node, link["interface"], tg_dtc=tg_dtc,
+ tg_dtc_offset=tg_dtc_offset
)
dual_if.append(dict(socket=socket, threads=threads))
cores = len(threads)
@@ -265,10 +273,16 @@ class TrexInitConfig:
)
)
sockets.append(socket)
- if 0 in sockets and 1 in sockets:
+
+ limit_memory = f"{Constants.TREX_LIMIT_MEMORY}"
+ if len(tg_topology) <= 2 and 0 in sockets and 1 in sockets:
limit_memory = (
f"{Constants.TREX_LIMIT_MEMORY},{Constants.TREX_LIMIT_MEMORY}"
)
+ if len(tg_topology) > 2:
+ limit_memory = (
+ f"{Constants.TREX_LIMIT_MEMORY_MULTI}"
+ )
trex_config = TrexConfigGenerator()
trex_config.set_node(node)
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index f759f52d3a..6f4483b970 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -30,7 +30,7 @@ from .ssh import exec_cmd_no_error, exec_cmd
from .topology import NodeType
from .topology import NodeSubTypeTG
from .topology import Topology
-from .TRexConfigGenerator import TrexInitConfig
+from .TRexConfigGenerator import TrexConfig
from .DUTSetup import DUTSetup as DS
__all__ = [u"TGDropRateSearchImpl", u"TrafficGenerator", u"OptimizedSearch"]
@@ -335,7 +335,7 @@ class TrafficGenerator(AbstractMeasurer):
self._ifaces_reordered = True
trex_topology.reverse()
- TrexInitConfig.init_trex_startup_configuration(
+ TrexConfig.add_startup_configuration(
self._node, trex_topology
)
TrafficGenerator.startup_trex(