tracing: cleanup and split segger/rtt configuration options

Move rtt configuration options to drivers/debug and split the
systemview configuration.

drivers/debug will service for this class of drivers that are enabled in
debug mode only and provide a hardware interface to the system.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

drivers/Kconfig

@@ -13,6 +13,8 @@ source "drivers/lora/Kconfig"
 
 source "drivers/console/Kconfig"
 
+source "drivers/debug/Kconfig"
+
 source "drivers/ethernet/Kconfig"
 
 source "drivers/net/Kconfig"

drivers/debug/Kconfig

@@ -0,0 +1,4 @@
+# Copyright (c) 2020 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+source "drivers/debug/Kconfig.rtt"

drivers/debug/Kconfig.rtt

@@ -16,23 +16,6 @@ config USE_SEGGER_RTT
 
 if USE_SEGGER_RTT
 
-config SEGGER_SYSTEMVIEW
-	bool "Segger SystemView support"
-	select CONSOLE
-	select RTT_CONSOLE
-	select THREAD_MONITOR
-	select THREAD_STACK_INFO
-	select TRACING
-
-config SEGGER_SYSTEMVIEW_BOOT_ENABLE
-	bool "Start logging SystemView events on system start"
-	depends on SEGGER_SYSTEMVIEW
-
-config SEGGER_SYSVIEW_RTT_BUFFER_SIZE
-	int "Buffer size for SystemView RTT"
-	depends on SEGGER_SYSTEMVIEW
-	default 4096
-
 config SEGGER_RTT_MAX_NUM_UP_BUFFERS
 	int "Maximum number of up-buffers"
 	default 3
@@ -69,7 +52,7 @@ config SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
 endchoice
 
 config SEGGER_RTT_MODE
-	int 
+	int
 	default 2 if SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
 	default 1 if SEGGER_RTT_MODE_NO_BLOCK_TRIM
 	default 0

subsys/debug/Kconfig

@@ -3,7 +3,6 @@
 # Copyright (c) 2015 Wind River Systems, Inc.
 # SPDX-License-Identifier: Apache-2.0
 
-DT_CHOSEN_Z_CONSOLE := zephyr,console
 
 menu "System Monitoring Options"
 
@@ -282,5 +281,4 @@ config OPENOCD_SUPPORT
 	  OpenOCD to determine the state of running threads.  (This option
 	  selects CONFIG_THREAD_MONITOR, so all of its caveats are implied.)
 
-
 endmenu

subsys/tracing/Kconfig

@@ -9,6 +9,7 @@ config TRACING
 	bool "Enabling Tracing"
 	imply THREAD_NAME
 	imply THREAD_STACK_INFO
+	imply THREAD_MONITOR
 	help
 	  Enable system tracing. This requires a backend such as SEGGER
 	  Systemview to be enabled as well.
@@ -20,9 +21,20 @@ choice
 	prompt "Tracing Format"
 	default TRACING_CTF
 
+config SEGGER_SYSTEMVIEW
+	bool "Segger SystemView support"
+	select CONSOLE
+	select RTT_CONSOLE
+	select USE_SEGGER_RTT
+
+config TRACING_SYSTEMVIEW
+	bool "Tracing via SEGGER Systemview support"
+	help
+	  Enable tracing using SEGGER Systemview.
+
 config TRACING_CTF
 	bool "Tracing via Common Trace Format support"
-	select THREAD_MONITOR
+
 	help
 	  Enable tracing to a Common Trace Format stream.
 
@@ -165,8 +177,6 @@ endif
 
 config TRACING_CPU_STATS
 	bool "Enable CPU usage tracing"
-	select THREAD_MONITOR
-	select THREAD_STACK_INFO
 	select TRACING
 	help
 	  Module provides information about percent of CPU usage based on
@@ -189,4 +199,4 @@ config TRACING_CPU_STATS_INTERVAL
 	  Time period of displaying information about CPU usage.
 
 
-source "subsys/tracing/Kconfig.segger"
+source "subsys/tracing/sysview/Kconfig"

subsys/tracing/sysview/Kconfig

@@ -0,0 +1,15 @@
+# Copyright (c) 2016 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+if SEGGER_SYSTEMVIEW
+
+config SEGGER_SYSTEMVIEW_BOOT_ENABLE
+	bool "Start logging SystemView events on system start"
+	depends on SEGGER_SYSTEMVIEW
+
+config SEGGER_SYSVIEW_RTT_BUFFER_SIZE
+	int "Buffer size for SystemView RTT"
+	depends on SEGGER_SYSTEMVIEW
+	default 4096
+
+endif