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GET /api/patches/45091/?format=api
{ "id": 45091, "url": "http://patches.dpdk.org/api/patches/45091/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1537527962-25757-12-git-send-email-hemant.agrawal@nxp.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1537527962-25757-12-git-send-email-hemant.agrawal@nxp.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1537527962-25757-12-git-send-email-hemant.agrawal@nxp.com", "date": "2018-09-21T11:06:00", "name": "[v3,11/13] net/dpaa: tune prefetch in Rx path", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "594f6db56cff31e74fcc7500557b823f6b0da94f", "submitter": { "id": 477, "url": "http://patches.dpdk.org/api/people/477/?format=api", "name": "Hemant Agrawal", "email": "hemant.agrawal@nxp.com" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1537527962-25757-12-git-send-email-hemant.agrawal@nxp.com/mbox/", "series": [ { "id": 1437, "url": "http://patches.dpdk.org/api/series/1437/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1437", "date": "2018-09-21T11:05:49", "name": "NXP DPAA driver enhancements", "version": 3, "mbox": "http://patches.dpdk.org/series/1437/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/45091/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/45091/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 9352B5F1D;\n\tFri, 21 Sep 2018 13:08:35 +0200 (CEST)", "from inva020.nxp.com (inva020.nxp.com [92.121.34.13])\n\tby dpdk.org (Postfix) with ESMTP id 0EEE95592\n\tfor <dev@dpdk.org>; Fri, 21 Sep 2018 13:08:14 +0200 (CEST)", "from inva020.nxp.com (localhost [127.0.0.1])\n\tby inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id E94E21A02BE;\n\tFri, 21 Sep 2018 13:08:13 +0200 (CEST)", "from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com\n\t[165.114.16.14])\n\tby inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 15B611A02C2;\n\tFri, 21 Sep 2018 13:08:12 +0200 (CEST)", "from bf-netperf1.ap.freescale.net (bf-netperf1.ap.freescale.net\n\t[10.232.134.28])\n\tby invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id C1B9A402E6;\n\tFri, 21 Sep 2018 19:08:08 +0800 (SGT)" ], "From": "Hemant Agrawal <hemant.agrawal@nxp.com>", "To": "dev@dpdk.org,\n\tthomas@monjalon.net,\n\tferruh.yigit@intel.com", "Date": "Fri, 21 Sep 2018 16:36:00 +0530", "Message-Id": "<1537527962-25757-12-git-send-email-hemant.agrawal@nxp.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1537527962-25757-1-git-send-email-hemant.agrawal@nxp.com>", "References": "<1537277516-8876-2-git-send-email-hemant.agrawal@nxp.com>\n\t<1537527962-25757-1-git-send-email-hemant.agrawal@nxp.com>", "X-Virus-Scanned": "ClamAV using ClamSMTP", "Subject": "[dpdk-dev] [PATCH v3 11/13] net/dpaa: tune prefetch in Rx path", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "As part of performance optimization excercise, tuning\nthe prefetch placement.\n\nSigned-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>\n---\n drivers/net/dpaa/dpaa_rxtx.c | 7 +++----\n 1 file changed, 3 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c\nindex 2c57741..c4471c2 100644\n--- a/drivers/net/dpaa/dpaa_rxtx.c\n+++ b/drivers/net/dpaa/dpaa_rxtx.c\n@@ -370,10 +370,6 @@ dpaa_eth_fd_to_mbuf(const struct qm_fd *fd, uint32_t ifid)\n \tif (unlikely(format == qm_fd_sg))\n \t\treturn dpaa_eth_sg_to_mbuf(fd, ifid);\n \n-\tptr = DPAA_MEMPOOL_PTOV(bp_info, qm_fd_addr(fd));\n-\n-\trte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));\n-\n \toffset = (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT;\n \tlength = fd->opaque & DPAA_FD_LENGTH_MASK;\n \n@@ -381,8 +377,11 @@ dpaa_eth_fd_to_mbuf(const struct qm_fd *fd, uint32_t ifid)\n \n \t/* Ignoring case when format != qm_fd_contig */\n \tdpaa_display_frame(fd);\n+\tptr = DPAA_MEMPOOL_PTOV(bp_info, qm_fd_addr(fd));\n \n \tmbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);\n+\t/* Prefetch the Parse results and packet data to L1 */\n+\trte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));\n \n \tmbuf->data_off = offset;\n \tmbuf->data_len = length;\n", "prefixes": [ "v3", "11/13" ] }