1 files changed, 52 insertions, 0 deletions
diff --git a/platform/linux-generic/include/odp_schedule_scalable_config.h b/platform/linux-generic/include/odp_schedule_scalable_config.h
new file mode 100644
index 000000000..1133d49aa
--- /dev/null
+++ b/platform/linux-generic/include/odp_schedule_scalable_config.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2017 ARM Limited
+ * Copyright (c) 2017-2018 Linaro Limited
+ */
+
+#ifndef ODP_SCHEDULE_SCALABLE_CONFIG_H_
+#define ODP_SCHEDULE_SCALABLE_CONFIG_H_
+
+/* Maximum number of events that can be stored in a queue */
+#define CONFIG_SCAL_QUEUE_SIZE 4096
+
+/*
+ * Default scaling factor for the scheduler group
+ *
+ * This scaling factor is used when the application creates a scheduler
+ * group with no worker threads.
+ */
+#define CONFIG_DEFAULT_XFACTOR 4
+
+/*
+ * Default weight (in events) for WRR in scalable scheduler
+ *
+ * This controls the per-queue weight for WRR between queues of the same
+ * priority in the scalable scheduler
+ * A higher value improves throughput while a lower value increases fairness
+ * and thus likely decreases latency
+ *
+ * If WRR is undesired, set the value to ~0 which will use the largest possible
+ * weight
+ *
+ * Note: an API for specifying this on a per-queue basis would be useful but is
+ * not yet available
+ */
+#define CONFIG_WRR_WEIGHT 64
+
+/*
+ * Split queue producer/consumer metadata into separate cache lines.
+ * This is beneficial on e.g. Cortex-A57 but not so much on A53.
+ */
+#define CONFIG_SPLIT_PRODCONS
+
+/*
+ * Use locks to protect queue (ring buffer) and scheduler state updates
+ * On x86, this decreases overhead noticeably.
+ */
+#if !defined(__arm__) && !defined(__aarch64__)
+#define CONFIG_QSCHST_LOCK
+/* Keep all ring buffer/qschst data together when using locks */
+#undef CONFIG_SPLIT_PRODCONS
+#endif
+
+#endif  /* ODP_SCHEDULE_SCALABLE_CONFIG_H_ */