https://bugs.dpdk.org/show_bug.cgi?id=1270 Bug ID: 1270 Summary: drivers/dma/skeleton/ is not setting pthread affinity based on the lcore shared as arguments Product: DPDK Version: 23.07 Hardware: All OS: Linux Status: UNCONFIRMED Severity: critical Priority: Normal Component: other Assignee: dev@dpdk.org Reporter: vipin.varghese@amd.com Target Milestone: --- Issue: when using dpdk skeleton DMA with lcore arguments, we expect the Software DMA to be affinitized to the selected lcore. Currently this is not working. Example: `./buildgcc/app/dpdk-test-dma-perf --config app/test-dma-perf/my.ini --log-level=pmd.dma,8` Logs: ``` config file parsing... config file parsing complete. Running cases... Running case 1 EAL: Detected CPU lcores: 32 EAL: Detected NUMA nodes: 4 EAL: Detected static linkage of DPDK EAL: Selected IOVA mode 'VA' EAL: No free 2048 kB hugepages reported on node 0 EAL: No free 2048 kB hugepages reported on node 1 EAL: No free 2048 kB hugepages reported on node 2 EAL: No free 2048 kB hugepages reported on node 3 skeldma_parse_vdev_args(): Parse lcore_id = 20 skeldma_probe(): Create dma_skeleton dmadev with lcore-id 20 TELEMETRY: No legacy callbacks, legacy socket not created Number of used lcores: 31. Running scenario 1 Number of used dmadevs: 1. Start testing.... lcore 3, DMA dma_skeleton, DMA Ring Size: 1024, Kick Batch Size: 32. Average Cycles/op: 526, Buffer Size: 64 B, Buffer Number: 81920, Memory: 10.00 MB, Frequency: 3.840 Ghz. ``` Current Behavior: currently dma core is running on free available core. Configuration: ``` [case1] │································································· type=DMA_MEM_COPY │································································· mem_size=10 │································································· buf_size=64,8192,2,MUL │································································· dma_ring_size=1024 │································································· kick_batch=32 │································································· src_numa_node=0 │································································· dst_numa_node=0 │································································· cache_flush=0 │································································· test_seconds=2 │································································· lcore_dma=lcore3@dma_skeleton │································································· eal_args=--in-memory --vdev=dma_skeleton,lcore=20 --no-pci -l1-31 ``` -- You are receiving this mail because: You are the assignee for the bug.