diff options
| author | Huichao Cai <[email protected]> | 2024-11-15 09:55:58 +0800 |
|---|---|---|
| committer | Thomas Monjalon <[email protected]> | 2024-11-19 11:29:43 +0100 |
| commit | ba0a0e44f361cbc4667088a0c0e2d0b63f8dee20 (patch) | |
| tree | db11a37d4ed80becb3ca490cda87037ea958fc79 /lib/graph | |
| parent | 2cd0c96f5b73e81317e97ac719862c9e9149e4ed (diff) | |
graph: improve node layout
The members "dispatch" and "xstat_off" of the structure "rte_node"
can be min cache aligned to make room for future expansion and to
make sure have better performance. Add corresponding comments.
Signed-off-by: Huichao Cai <[email protected]>
Acked-by: Jerin Jacob <[email protected]>
Diffstat (limited to 'lib/graph')
| -rw-r--r-- | lib/graph/rte_graph_worker_common.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/graph/rte_graph_worker_common.h b/lib/graph/rte_graph_worker_common.h index a518af2b2a..d3ec88519d 100644 --- a/lib/graph/rte_graph_worker_common.h +++ b/lib/graph/rte_graph_worker_common.h @@ -104,16 +104,20 @@ struct __rte_cache_aligned rte_node { /** Original process function when pcap is enabled. */ rte_node_process_t original_process; + /** Fast schedule area for mcore dispatch model. */ union { - /* Fast schedule area for mcore dispatch model */ - struct { + alignas(RTE_CACHE_LINE_MIN_SIZE) struct { unsigned int lcore_id; /**< Node running lcore. */ uint64_t total_sched_objs; /**< Number of objects scheduled. */ uint64_t total_sched_fail; /**< Number of scheduled failure. */ } dispatch; }; + + /** Fast path area cache line 1. */ + alignas(RTE_CACHE_LINE_MIN_SIZE) rte_graph_off_t xstat_off; /**< Offset to xstat counters. */ - /* Fast path area */ + + /** Fast path area cache line 2. */ __extension__ struct __rte_cache_aligned { #define RTE_NODE_CTX_SZ 16 union { |