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Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
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test:mimxrt1010_evk: tests/kernel/sched/schedule_api - kernel_threads_sched_userspace cases meet out our space #33726

Closed hakehuang closed 3 years ago

hakehuang commented 3 years ago

Describe the bug kernel_threads_sched_userspace cases meet out our space

To Reproduce Steps to reproduce the behavior: tests/kernel/sched/schedule_api

  1. mkdir build; cd build
  2. cmake -DBOARD=mimxrt1010_evk ..
  3. make
  4. See error

Expected behavior in former build this cases are PASS,but now the code size is too large

Impact unknown

Logs and console output

+ docker exec confident_sinoussi build_zephyr_elf.sh mimxrt1010_evk_kernel3_master tests/kernel/sched/schedule_api mimxrt1010_evk build_900f0a3 -DCONF_FILE=prj_dumb.conf -DCONFIG_TIMESLICING=n kernel.scheduler.dumb_no_timeslicing tests/kernel/sched/schedule_api -DCONF_FILE=prj_dumb.conf -DCONFIG_TIMESLICING=n

/build/src/workspace/mimxrt1010_evk_kernel3_master

Including boilerplate (Zephyr base): /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/cmake/app/boilerplate.cmake

-- Application: /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api

-- Zephyr version: 2.5.99 (/build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr)

-- Found Python3: /usr/bin/python3.8 (found suitable exact version "3.8.5") found components: Interpreter 

-- Found west (found suitable version "0.9.0", minimum required is "0.7.1")

-- Board: mimxrt1010_evk

-- Cache files will be written to: /root/.cache/zephyr

-- Using toolchain: zephyr 0.12.2 (/opt/zephyr-sdk)

-- Found dtc: /opt/zephyr-sdk/sysroots/x86_64-pokysdk-linux/usr/bin/dtc (found suitable version "1.5.0", minimum required is "1.4.6")

-- Found BOARD.dts: /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/boards/arm/mimxrt1010_evk/mimxrt1010_evk.dts

-- Generated zephyr.dts: /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api/build_900f0a3/zephyr/zephyr.dts

-- Generated devicetree_unfixed.h: /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api/build_900f0a3/zephyr/include/generated/devicetree_unfixed.h

-- Generated device_extern.h: /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api/build_900f0a3/zephyr/include/generated/device_extern.h

Parsing /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/Kconfig

Loaded configuration '/build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/boards/arm/mimxrt1010_evk/mimxrt1010_evk_defconfig'

Merged configuration 'prj_dumb.conf'

Merged configuration '/build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api/build_900f0a3/zephyr/misc/generated/extra_kconfig_options.conf'

Configuration saved to '/build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api/build_900f0a3/zephyr/.config'

Kconfig header saved to '/build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api/build_900f0a3/zephyr/include/generated/autoconf.h'

-- The C compiler identification is GNU 10.2.0

-- The CXX compiler identification is GNU 10.2.0

-- The ASM compiler identification is GNU

-- Found assembler: /opt/zephyr-sdk/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc

-- Configuring done

-- Generating done

-- Build files have been written to: /build/src/workspace/mimxrt1010_evk_kernel3_master/zephyr/tests/kernel/sched/schedule_api/build_900f0a3

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/opt/zephyr-sdk/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.2.0/../../../../arm-zephyr-eabi/bin/ld: zephyr.elf section `priv_stacks_noinit' will not fit in region `SRAM'

/opt/zephyr-sdk/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.2.0/../../../../arm-zephyr-eabi/bin/ld: region `SRAM' overflowed by 6880 bytes

Memory region         Used Size  Region Size  %age Used

           OCRAM:          0 GB        64 KB      0.00%

           FLASH:       94812 B        16 MB      0.57%

            ITCM:          0 GB        32 KB      0.00%

            SRAM:       39648 B        32 KB    121.00%

        IDT_LIST:          0 GB         2 KB      0.00%

collect2: error: ld returned 1 exit status

make[2]: *** [zephyr/CMakeFiles/zephyr_final.dir/build.make:146: zephyr/zephyr.elf] Error 1

make[1]: *** [CMakeFiles/Makefile2:2562: zephyr/CMakeFiles/zephyr_final.dir/all] Error 2

make: *** [Makefile:84: all] Error 2

script returned exit code 2

Environment (please complete the following information):

hakehuang commented 3 years ago

@MaureenHelm looks like the kernel case in userspace is too large, not sure whether I need filter out those cases from rt1010?

MaureenHelm commented 3 years ago

looks like the kernel case in userspace is too large, not sure whether I need filter out those cases from rt1010?

I'd like to understand what caused the SRAM to grow from <32KB to 39KB before we consider that.

dleach02 commented 3 years ago

I walked this back to 2.3 and it still wouldn't fit. I think the simple fix I'll submit is to switch this platform over to using OCRAM instead of DTCM as that will give us plenty of RAM. Ultimately, it would be nice to get Zephyr to support multiple RAM blocks.

Also note that the test application has some large RAM usage because it creates 10 threads with each having their own stack defined. There are also a couple of other large chunks of RAM used.