[dpdk-dev] [PATCH v6 02/23] event/dlb: add dynamic logging

[Timothy McDaniel <timothy.mcdaniel@intel.com>]

This commit adds base support for dynamic logging.
The default log level is NOTICE. Dynamic logging
is used exclusively throughout this patchset.

Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>
Reviewed-by: Gage Eads <gage.eads@intel.com>
---
 drivers/event/dlb/dlb.c       |  7 +++++++
 drivers/event/dlb/dlb_log.h   | 25 +++++++++++++++++++++++++
 drivers/event/dlb/meson.build |  3 +--
 3 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100644 drivers/event/dlb/dlb.c
 create mode 100644 drivers/event/dlb/dlb_log.h

diff --git a/drivers/event/dlb/dlb.c b/drivers/event/dlb/dlb.c
new file mode 100644
index 0000000..e03aa21
--- /dev/null
+++ b/drivers/event/dlb/dlb.c
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#include <rte_log.h>
+
+RTE_LOG_REGISTER(eventdev_dlb_log_level, pmd.event.dlb, NOTICE);
diff --git a/drivers/event/dlb/dlb_log.h b/drivers/event/dlb/dlb_log.h
new file mode 100644
index 0000000..c69c9e5
--- /dev/null
+++ b/drivers/event/dlb/dlb_log.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef _DLB_EVDEV_LOG_H_
+#define _DLB_EVDEV_LOG_H_
+
+extern int eventdev_dlb_log_level;
+
+/* Dynamic logging */
+#define DLB_LOG_IMPL(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, eventdev_dlb_log_level, "%s" fmt "\n", \
+		__func__, ##args)
+
+#define DLB_LOG_INFO(fmt, args...) \
+	DLB_LOG_IMPL(INFO, fmt, ## args)
+
+#define DLB_LOG_ERR(fmt, args...) \
+	DLB_LOG_IMPL(ERR, fmt, ## args)
+
+/* remove debug logs at compile time unless actually debugging */
+#define DLB_LOG_DBG(fmt, args...) \
+	RTE_LOG_DP(DEBUG, PMD, fmt, ## args)
+
+#endif /* _DLB_EVDEV_LOG_H_ */
diff --git a/drivers/event/dlb/meson.build b/drivers/event/dlb/meson.build
index 5324043..1e7d5ad 100644
--- a/drivers/event/dlb/meson.build
+++ b/drivers/event/dlb/meson.build
@@ -7,7 +7,6 @@ if not is_linux or not dpdk_conf.has('RTE_ARCH_X86_64')
         subdir_done()
 endif
 
-sources = files(
-)
+sources = files('dlb.c')
 
 deps += ['mbuf', 'mempool', 'ring', 'pci', 'bus_pci']
-- 
2.6.4