From: Simon Glass <simon.glass@canonical.com> This series adds malloc-debugging features including a traffic log and file output for dumps, along with video optimisations and test/py performance improvements. The overall goal is to speed up pytests and make it easier to debug memory leaks. Changes include: - Sandbox gprof profiling and mcheck runtime-disable support - Video truetype scratch buffer to reduce malloc pressure - Malloc traffic logging with 'malloc log' command - File output for malloc dump and log - test/py performance improvements reducing CPU usage by ~30% (no changes since v1) Simon Glass (29): u_boot_pylib: command: Convert output before raising exception u_boot_pylib: tout: Add newline parameter to output functions buildman: Fix IDE mode to show warnings video: Fix memory leak of vidconsole device name video: vidconsole: Free cursor save buffer on device removal video: truetype: Free allocated buffers on device removal test: nand: Free allocated buffers after test sandbox: Add gprof profiling support sandbox: Add -M option to disable mcheck at runtime Update Claude instructions for uman video: Update stb_truetype video: truetype: Add a scratch buffer to use malloc() less video: Optimise video_flush_copy() for full-line damage test: Rename dm_test_host() sandbox: Increase CONFIG_MCHECK_CALLER_LEN to 64 malloc: Fix malloc_usable_size() to handle mcheck headers test: malloc: Account for mcheck overhead in the large test malloc: Refactor malloc_dump() to use output callback malloc: Add a log for malloc() traffic malloc: Add function to dump the malloc()-traffic log cmd: malloc: Add a command to show the malloc log malloc: Add an option to disable mcheck-backtrace collection malloc: Add file output for heap dump and malloc log doc: malloc: Add a section on finding memory leaks test/py: Handle a failure during configuration test/py: Reduce CPU usage when waiting for console output test/py: Speed up VT100-filtering in expect() test/py: Add an add option to skip flat-tree tests test/py: Add an option to disable the console timeout CLAUDE.md | 12 +- Kconfig | 32 ++ arch/sandbox/config.mk | 4 + arch/sandbox/cpu/start.c | 13 + arch/sandbox/include/asm/state.h | 1 + cmd/Kconfig | 10 + cmd/malloc.c | 41 ++- common/dlmalloc.c | 485 +++++++++++++++++++++++++++--- config.mk | 4 + configs/sandbox_defconfig | 1 + doc/arch/sandbox/sandbox.rst | 7 + doc/develop/malloc.rst | 115 +++++++ doc/develop/trace.rst | 40 +++ doc/usage/cmd/font.rst | 9 + doc/usage/cmd/malloc.rst | 30 +- drivers/video/Kconfig | 23 ++ drivers/video/console_truetype.c | 73 ++++- drivers/video/stb_truetype.h | 72 ++++- drivers/video/vidconsole-uclass.c | 11 + drivers/video/video-uclass.c | 23 +- include/malloc.h | 102 +++++++ include/mcheck.h | 11 + test/cmd/malloc.c | 48 +++ test/common/malloc.c | 107 ++++++- test/dm/host.c | 4 +- test/dm/nand.c | 3 + test/py/conftest.py | 7 + test/py/console_base.py | 36 ++- test/py/console_sandbox.py | 4 + tools/buildman/builder.py | 14 +- tools/buildman/builderthread.py | 4 +- tools/u_boot_pylib/command.py | 3 +- tools/u_boot_pylib/tout.py | 70 +++-- 33 files changed, 1299 insertions(+), 120 deletions(-) -- 2.43.0 base-commit: 6cff0c8a556d74547b5a24ec9dad0614a8b9d387 branch: extm2