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trace: sandbox: Use only the Kconfig options

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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>
This commit is contained in:
Simon Glass 2021-11-24 09:26:39 -07:00
parent 5bf8121646
commit 89050244c4
2 changed files with 4 additions and 7 deletions
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2
cmd/Kconfig
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@ -2350,6 +2350,8 @@ config CMD_LOG
config CMD_TRACE config CMD_TRACE
bool "trace - Support tracing of function calls and timing" bool "trace - Support tracing of function calls and timing"
depends on TRACE
default y
help help
Enables a command to control using of function tracing within Enables a command to control using of function tracing within
U-Boot. This allows recording of call traces including timing U-Boot. This allows recording of call traces including timing

9
doc/develop/trace.rst
View File

@ -30,16 +30,11 @@ 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 way of trying out tracing before you use it on your actual board. To do
this, follow these steps: this, follow these steps:
Add the following to include/configs/sandbox.h (if not already there) Add the following to config/sandbox_defconfig
.. code-block:: c .. code-block:: c
#define CONFIG_TRACE CONFIG_TRACE=y
#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
Build sandbox U-Boot with tracing enabled: Build sandbox U-Boot with tracing enabled: