At present there are Kconfig options for tracing, but sandbox uses plain #defines to set them. Correct this and make the tracing command default to enabled so that this is not needed.
Signed-off-by: Simon Glass sjg@chromium.org ---
cmd/Kconfig | 2 ++ doc/develop/trace.rst | 14 +++++++------- 2 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/cmd/Kconfig b/cmd/Kconfig index 5b30b13e438..fd8f0227c89 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -2350,6 +2350,8 @@ config CMD_LOG
config CMD_TRACE bool "trace - Support tracing of function calls and timing" + depends on TRACE + default y help Enables a command to control using of function tracing within U-Boot. This allows recording of call traces including timing diff --git a/doc/develop/trace.rst b/doc/develop/trace.rst index 7776c484286..34bce5d4677 100644 --- a/doc/develop/trace.rst +++ b/doc/develop/trace.rst @@ -30,16 +30,16 @@ Sandbox is a build of U-Boot that can run under Linux so it is a convenient way of trying out tracing before you use it on your actual board. To do this, follow these steps:
-Add the following to include/configs/sandbox.h (if not already there) +Add the following to config/sandbox_defconfig (if not already there)
.. code-block:: c
- #define CONFIG_TRACE - #define CONFIG_CMD_TRACE - #define CONFIG_TRACE_BUFFER_SIZE (16 << 20) - #define CONFIG_TRACE_EARLY_SIZE (8 << 20) - #define CONFIG_TRACE_EARLY - #define CONFIG_TRACE_EARLY_ADDR 0x00100000 + CONFIG_TRACE=y + CONFIG_TRACE_BUFFER_SIZE=0x01000000 + CONFIG_TRACE_BUFFER_SIZE=0x01000000 + CONFIG_TRACE_EARLY_SIZE=0x800000 + CONFIG_TRACE_EARLY=y + CONFIG_TRACE_EARLY_ADDR=0x00100000
Build sandbox U-Boot with tracing enabled: