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From: Megha Ajmera <megha.ajmera@intel.com>
To: dev@dpdk.org, jasvinder.singh@intel.com, cristian.dumitrescu@intel.com,
thomas@monjalon.net, david.marchand@redhat.com, sham.singh.thakur@intel.com
Subject: [PATCH v3 2/4] sched: move grinder configuration flag
Date: Tue, 22 Feb 2022 12:57:43 +0000
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Grinder configuration is now moved to sched library.
Number of grinders can also modified by specifying
RTE_SCHED_PORT_N_GRINDERS=N in CFLAGS, where N is number of grinders.
Signed-off-by: Megha Ajmera <megha.ajmera@intel.com>
---
config/rte_config.h | 1 -
doc/guides/sample_app_ug/qos_scheduler.rst | 5 +++++
lib/sched/rte_sched.c | 4 ++++
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/config/rte_config.h b/config/rte_config.h
index 7a7da2f4e5..d449af4810 100644
--- a/config/rte_config.h
+++ b/config/rte_config.h
@@ -92,7 +92,6 @@
#undef RTE_SCHED_CMAN
#undef RTE_SCHED_COLLECT_STATS
#undef RTE_SCHED_SUBPORT_TC_OV
-#define RTE_SCHED_PORT_N_GRINDERS 8
/* rte_graph defines */
#define RTE_GRAPH_BURST_SIZE 256
diff --git a/doc/guides/sample_app_ug/qos_scheduler.rst b/doc/guides/sample_app_ug/qos_scheduler.rst
index 49c14a00da..0782e41ee7 100644
--- a/doc/guides/sample_app_ug/qos_scheduler.rst
+++ b/doc/guides/sample_app_ug/qos_scheduler.rst
@@ -45,6 +45,11 @@ The application is located in the ``qos_sched`` sub-directory.
DPDK must be compiled defining *RTE_SCHED_COLLECT_STATS*, which can be done by changing the relevant
entry in the ``config/rte_config.h`` file.
+.. note::
+
+ Number of grinders is currently set to 8. This can be modified by specifying RTE_SCHED_PORT_N_GRINDERS=N in
+ CFLAGS, where N is number of grinders.
+
Running the Application
-----------------------
diff --git a/lib/sched/rte_sched.c b/lib/sched/rte_sched.c
index 1d3051cc0f..9c85edb4cc 100644
--- a/lib/sched/rte_sched.c
+++ b/lib/sched/rte_sched.c
@@ -24,6 +24,10 @@
#pragma warning(disable:2259) /* conversion may lose significant bits */
#endif
+#ifndef RTE_SCHED_PORT_N_GRINDERS
+#define RTE_SCHED_PORT_N_GRINDERS 8
+#endif
+
#define RTE_SCHED_TB_RATE_CONFIG_ERR (1e-7)
#define RTE_SCHED_WRR_SHIFT 3
#define RTE_SCHED_MAX_QUEUES_PER_TC RTE_SCHED_BE_QUEUES_PER_PIPE
--
2.25.1