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From: vanshika.shukla@nxp.com
To: dev@dpdk.org, Hemant Agrawal <hemant.agrawal@nxp.com>,
Sachin Saxena <sachin.saxena@nxp.com>
Cc: Vanshika Shukla <vanshika.shukla@nxp.com>
Subject: [PATCH v3 8/8] mempool/dpaax: cache free optimization
Date: Mon, 8 Jul 2024 12:59:45 +0530
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From: Sachin Saxena <sachin.saxena@nxp.com>
- Updates the cache threshold value as per
the platform specific optimal value.
Signed-off-by: Sachin Saxena <sachin.saxena@nxp.com>
Signed-off-by: Vanshika Shukla <vanshika.shukla@nxp.com>
---
drivers/mempool/dpaa/dpaa_mempool.c | 16 +++++++++++++++-
drivers/mempool/dpaa2/dpaa2_hw_mempool.c | 15 +++++++++++++++
2 files changed, 30 insertions(+), 1 deletion(-)
diff --git a/drivers/mempool/dpaa/dpaa_mempool.c b/drivers/mempool/dpaa/dpaa_mempool.c
index 21e8938cc6..9e3a743575 100644
--- a/drivers/mempool/dpaa/dpaa_mempool.c
+++ b/drivers/mempool/dpaa/dpaa_mempool.c
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright 2017,2019 NXP
+ * Copyright 2017,2019,2023 NXP
*
*/
@@ -51,6 +51,8 @@ dpaa_mbuf_create_pool(struct rte_mempool *mp)
struct bman_pool_params params = {
.flags = BMAN_POOL_FLAG_DYNAMIC_BPID
};
+ unsigned int lcore_id;
+ struct rte_mempool_cache *cache;
MEMPOOL_INIT_FUNC_TRACE();
@@ -118,6 +120,18 @@ dpaa_mbuf_create_pool(struct rte_mempool *mp)
rte_memcpy(bp_info, (void *)&rte_dpaa_bpid_info[bpid],
sizeof(struct dpaa_bp_info));
mp->pool_data = (void *)bp_info;
+ /* Update per core mempool cache threshold to optimal value which is
+ * number of buffers that can be released to HW buffer pool in
+ * a single API call.
+ */
+ for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+ cache = &mp->local_cache[lcore_id];
+ DPAA_MEMPOOL_DEBUG("lCore %d: cache->flushthresh %d -> %d\n",
+ lcore_id, cache->flushthresh,
+ (uint32_t)(cache->size + DPAA_MBUF_MAX_ACQ_REL));
+ if (cache->flushthresh)
+ cache->flushthresh = cache->size + DPAA_MBUF_MAX_ACQ_REL;
+ }
DPAA_MEMPOOL_INFO("BMAN pool created for bpid =%d", bpid);
return 0;
diff --git a/drivers/mempool/dpaa2/dpaa2_hw_mempool.c b/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
index 4c9245cb81..fe82475b10 100644
--- a/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
+++ b/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
@@ -44,6 +44,8 @@ rte_hw_mbuf_create_pool(struct rte_mempool *mp)
struct dpaa2_bp_info *bp_info;
struct dpbp_attr dpbp_attr;
uint32_t bpid;
+ unsigned int lcore_id;
+ struct rte_mempool_cache *cache;
int ret;
avail_dpbp = dpaa2_alloc_dpbp_dev();
@@ -132,6 +134,19 @@ rte_hw_mbuf_create_pool(struct rte_mempool *mp)
DPAA2_MEMPOOL_DEBUG("BP List created for bpid =%d", dpbp_attr.bpid);
h_bp_list = bp_list;
+ /* Update per core mempool cache threshold to optimal value which is
+ * number of buffers that can be released to HW buffer pool in
+ * a single API call.
+ */
+ for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+ cache = &mp->local_cache[lcore_id];
+ DPAA2_MEMPOOL_DEBUG("lCore %d: cache->flushthresh %d -> %d\n",
+ lcore_id, cache->flushthresh,
+ (uint32_t)(cache->size + DPAA2_MBUF_MAX_ACQ_REL));
+ if (cache->flushthresh)
+ cache->flushthresh = cache->size + DPAA2_MBUF_MAX_ACQ_REL;
+ }
+
return 0;
err3:
rte_free(bp_info);
--
2.25.1