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authorSimon Glass <sjg@chromium.org>2021-11-24 09:26:39 -0700
committerSimon Glass <sjg@chromium.org>2021-12-05 09:23:15 -0700
commit89050244c40e79fc24b24ee84e4e668a6dfc336d (patch)
tree5e8d2b8951168676c3f8c27bf36f47b9dbbc399e
parent5bf81216463dbeb5b5dcdbc22e2f5c8589c333fb (diff)
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trace: sandbox: Use only the Kconfig options
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>
-rw-r--r--cmd/Kconfig2
-rw-r--r--doc/develop/trace.rst9
2 files changed, 4 insertions, 7 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 5b30b13..fd8f022 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 09f5745..b22e068 100644
--- a/doc/develop/trace.rst
+++ b/doc/develop/trace.rst
@@ -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
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
- #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
Build sandbox U-Boot with tracing enabled: