From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
by inbox.dpdk.org (Postfix) with ESMTP id 714F0A0546;
Fri, 19 Feb 2021 15:26:24 +0100 (CET)
Received: from [217.70.189.124] (localhost [127.0.0.1])
by mails.dpdk.org (Postfix) with ESMTP id 0E91D16092F;
Fri, 19 Feb 2021 15:26:24 +0100 (CET)
Received: from mga14.intel.com (mga14.intel.com [192.55.52.115])
by mails.dpdk.org (Postfix) with ESMTP id CF05316092E
for <dev@dpdk.org>; Fri, 19 Feb 2021 15:26:21 +0100 (CET)
IronPort-SDR: 7tFDnFQ/ZLmqnLWoZRv0SD3ugmo55ona3BVk++HL1Vx/myzKZehipT8AGyskByZSTgMRc87sID
CKX/x3eJHy0A==
X-IronPort-AV: E=McAfee;i="6000,8403,9899"; a="183064275"
X-IronPort-AV: E=Sophos;i="5.81,189,1610438400"; d="scan'208";a="183064275"
Received: from fmsmga004.fm.intel.com ([10.253.24.48])
by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;
19 Feb 2021 06:26:20 -0800
IronPort-SDR: J+laOWpcstfaWLTt+VKSHUd0XVZm7cGcPuU8YWa19wkXQk11QPaG25w/RAN6qF9sqRn25We26G
L7evIoVMXU5w==
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.81,189,1610438400"; d="scan'208";a="419990634"
Received: from silpixa00400573.ir.intel.com (HELO
silpixa00400573.ger.corp.intel.com) ([10.237.223.107])
by fmsmga004.fm.intel.com with ESMTP; 19 Feb 2021 06:26:19 -0800
From: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
To: dev@dpdk.org
Date: Fri, 19 Feb 2021 14:26:19 +0000
Message-Id: <20210219142619.43960-1-cristian.dumitrescu@intel.com>
X-Mailer: git-send-email 2.17.1
Subject: [dpdk-dev] [PATCH] examples/pipeline: make pipeline quanta
configurable
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
<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>,
<mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>
Make the pipeline instruction quanta configurable at build time.
Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
examples/pipeline/thread.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/examples/pipeline/thread.c b/examples/pipeline/thread.c
index 6ac27e4eb..bf11e6144 100644
--- a/examples/pipeline/thread.c
+++ b/examples/pipeline/thread.c
@@ -30,6 +30,15 @@
#define THREAD_TIMER_PERIOD_MS 100
#endif
+/* Pipeline instruction quanta: Needs to be big enough to do some meaningful
+ * work, but not too big to avoid starving any other pipelines mapped to the
+ * same thread. For a pipeline that executes 10 instructions per packet, a
+ * quanta of 1000 instructions equates to processing 100 packets.
+ */
+#ifndef PIPELINE_INSTR_QUANTA
+#define PIPELINE_INSTR_QUANTA 1000
+#endif
+
/**
* Control thread: data plane thread context
*/
@@ -517,7 +526,7 @@ thread_main(void *arg __rte_unused)
/* Data Plane */
for (j = 0; j < t->n_pipelines; j++)
- rte_swx_pipeline_run(t->p[j], 1000000);
+ rte_swx_pipeline_run(t->p[j], PIPELINE_INSTR_QUANTA);
/* Control Plane */
if ((i & 0xF) == 0) {
--
2.17.1