Add an option to tell SPL to show memory usage for driver model just
before it boots into the next phase.
Signed-off-by: Simon Glass <s...@chromium.org>
---
common/spl/spl.c | 9 +++++++++
drivers/core/Kconfig | 10 ++++++++++
2 files changed, 19 insertions(+)
diff --git a/common/spl/spl.c b/common/spl/spl.c
index c8c463f80bd..540e1925577 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -33,6 +33,7 @@
#include <malloc.h>
#include <mapmem.h>
#include <dm/root.h>
+#include <dm/util.h>
#include <linux/compiler.h>
#include <fdt_support.h>
#include <bootcount.h>
@@ -780,6 +781,14 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
bootcount_inc();
+ /* Dump driver model states to aid analysis */
+ if (CONFIG_IS_ENABLED(DM_STATS)) {
+ struct dm_stats mem;
+
+ dm_get_mem(&mem);
+ dm_dump_mem(&mem);
+ }
+
memset(&spl_image, '\0', sizeof(spl_image));
#ifdef CONFIG_SYS_SPL_ARGS_ADDR
spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index fa2811af83c..5c35914d30b 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -86,6 +86,16 @@ config DM_STATS
To display the memory stats, use the 'dm mem' command.
+config SPL_DM_STATS
+ bool "Collect and show driver model stats in SPL"
+ depends on DM_SPL
+ help
+ Enable this to collect and display memory statistics about driver
+ model. This can help to figure out where all the memory is going and
+ to find optimisations.
+
+ The stats are displayed just before SPL boots to the next phase.
+
config DM_DEVICE_REMOVE
bool "Support device removal"
depends on DM
--
2.36.0.512.ge40c2bad7a-goog
