33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From d40a2e46403547fc8d12ee1dacc6484eca1fbbeb Mon Sep 17 00:00:00 2001
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From: jiangheng <jiangheng14@huawei.com>
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Date: Fri, 5 Jan 2024 10:15:22 +0800
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Subject: [PATCH] fix dpdk_alloc_pktmbuf time-consuming
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---
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src/lstack/core/lstack_dpdk.c | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/src/lstack/core/lstack_dpdk.c b/src/lstack/core/lstack_dpdk.c
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index 729a84c..3182bb5 100644
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--- a/src/lstack/core/lstack_dpdk.c
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+++ b/src/lstack/core/lstack_dpdk.c
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@@ -271,9 +271,14 @@ int32_t create_shared_ring(struct protocol_stack *stack)
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int32_t dpdk_alloc_pktmbuf(struct rte_mempool *pool, struct rte_mbuf **mbufs, uint32_t num)
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{
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- if (rte_mempool_avail_count(pool) < MBUFPOOL_RESERVE_NUM + num) {
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+ /*
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+ * don't use rte_mempool_avail_count, it traverse cpu local cache,
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+ * when RTE_MAX_LCORE is too large, it's time-consuming
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+ */
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+ if (rte_ring_count(pool->pool_data) < MBUFPOOL_RESERVE_NUM + num) {
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return -ENOMEM;
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}
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+
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int32_t ret = rte_pktmbuf_alloc_bulk(pool, mbufs, num);
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if (ret != 0) {
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LSTACK_LOG(ERR, LSTACK, "rte_pktmbuf_alloc_bulk fail allocNum=%d, ret=%d, info:%s \n",
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--
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2.33.0
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