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+--- Thread: memory usage (/showthread.php?tid=124)
memory usage - Alex - 07-06-2022
Hi,
Probably a very simple question...
Where can I see memory usage (Flash, Ram) after compiling ?
From previous IDE's I could see it in map file if I remember well.
Thank you !
RE: memory usage - Alex - 07-06-2022
P.S.: still running v1.1, as I prefer not to update while running project
RE: memory usage - embitz - 09-06-2022
You can find that in the "Build messages" log.
You can also click at the map file to open it (see highlighted part in picture)
RE: memory usage - Alex - 09-06-2022
Thank you for your prompt reply !
Sorry, I was some confused...
On my install, Build log is providing the information:
"
Used memory resources:
text data bss dec hex
64372 1088 2140 67600 10810
"
somewhere in the middle of the log file,
whereas "build message" only displays
||=== Build finished: 0 errors, 10 warnings (1 minutes, 44 seconds) ===|
RE: memory usage - PDonchev - 11-06-2022
Probably you are using a generic (external) GCC Compiler.
RE: memory usage - dalbert - 25-05-2023
(09-06-2022, 07:59 AM)embitz Wrote: You can find that in the "Build messages" log.
You can also click at the map file to open it (see highlighted part in picture)
I think what they are asking is if you could show RO memory usage (.text+.extab+.exidx+.data) separately in the same way you show RW memory (.data + .bss). I know it's not perfect, but it would give users a feel for how close they are to running out of flash/ram with each build.
RE: memory usage - embitz - 26-05-2023
Ah I see, but the problem is that those memory segments are linker script specific. Although is almost defacto standard they may have, and can have, other names etc.
RE: memory usage - Operton - 31-05-2023
I use this linker flag to print out the memory usage of my STM32H7 project:
-Wl,--print-memory-usage
The output looks like this (in the Build log window):
Code:
Memory region Used Size Region Size %age Used
ITCM_RAM: 0 GB 64 KB 0.00%
DTCM_RAM: 30136 B 128 KB 22.99%
SRAM_D1: 463256 B 512 KB 88.36%
SRAM1_D2: 98764 B 127 KB 75.94%
ETH_DESC: 480 B 1 KB 46.88%
SRAM2_D2: 0 GB 128 KB 0.00%
SRAM3_D2: 32735 B 32 KB 99.90%
SRAM4_D3: 0 GB 64 KB 0.00%
BOOT_RAM: 16 B 256 B 6.25%
BACKUP_RAM: 92 B 3840 B 2.40%
FLASH: 975388 B 2 MB 46.51%