Commit Graph

29 Commits

Author SHA1 Message Date
qinwei1 8021dfece6 sched/task/task_getpid: getpid should return process id not thread id
Summary:
   implement the right semantics:
1. getpid should return the main thread id
2. gettid should return the current thread id

Refer to:
 https://github.com/apache/incubator-nuttx/issues/2499
 https://github.com/apache/incubator-nuttx/pull/2518

Signed-off-by: qinwei1 <qinwei1@xiaomi.com>
2022-11-17 17:58:08 +08:00
Xiang Xiao 7dcf35cf64 mm: Remove the unused macro MM_IS_ALLOCATED
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-11-08 14:57:48 +09:00
Xiang Xiao b567e09c3c mm: Restore the return type of mm_lock from bool to int
Fix the issue reported here better:
https://github.com/apache/incubator-nuttx/pull/6995

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-11-07 10:01:52 +01:00
Xiang Xiao e08c296a8e Change the type of tg_joinlock, mm_lock and md_lock from sem_t to mutex_t
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-31 10:35:53 +01:00
dongjiuzhu1 579e47347e mm/mm_heap: define MM_MASK_BIT as significant bits mask
using MM_MASK_BIT to expand different bits of preceding field to store the
block status.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2022-10-29 00:12:02 +08:00
dongjiuzhu1 5982cafbe0 mm/mm_heap: using LOG2_CEIL to generate MM_MIN_SHIFT at compile time
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2022-10-29 00:12:02 +08:00
anjiahao d1d46335df Replace nxsem API when used as a lock with nxmutex API
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-17 15:59:46 +09:00
chao.an 87cb224b1c mm/kasan: node header should updated from unpoisoning memory
| (gdb) bt
| #0  up_assert (filename=0x7fffffffdc6c "\001", lineno=0) at sim/up_assert.c:75
| #1  0x00005555555e636b in _assert (filename=0x555555627225 "kasan/kasan.c", linenum=104) at assert/lib_assert.c:36
| #2  0x00005555555a388e in kasan_report (addr=140737284458088, size=1, is_write=true) at kasan/kasan.c:104
| #3  0x00005555555a40a1 in __asan_storeN_noabort (addr=140737284458088, size=1) at kasan/kasan.c:297
| #4  0x00005555555a4519 in __asan_store1_noabort (addr=140737284458088) at kasan/kasan.c:348
| #5  0x00005555555a26d7 in memset (s=0x7ffff3d8c668, c=0, n=63) at string/lib_memset.c:169
| #6  0x00005555555a46a4 in mm_addregion (heap=0x7ffff3d8c000, heapstart=0x7ffff3d8c648, heapsize=66058656) at mm_heap/mm_initialize.c:131
| #7  0x00005555555a4a00 in mm_initialize (name=0x555555627068 "Umem", heapstart=0x7ffff3d8c648, heapsize=67107256) at mm_heap/mm_initialize.c:231
| #8  0x00005555555a33b1 in umm_initialize (heap_start=0x7ffff3d8c000, heap_size=67108864) at umm_heap/umm_initialize.c:84
| #9  0x000055555558f17c in nx_start () at init/nx_start.c:469
| #10 0x0000555555589559 in main (argc=1, argv=0x7fffffffdf58, envp=0x7fffffffdf68) at sim/up_head.c:131
| (gdb)

Signed-off-by: chao.an <anchao@xiaomi.com>
2022-08-02 01:44:48 +08:00
Jiuzhu Dong 9899dd0ec0 mm/mm_heap: change CONFIG_MM_BACKTRACE to int type
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-07-26 23:45:31 +08:00
Xiang Xiao 53c6789bef mm: Add mm_uninitialize to release the resource
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-06-12 19:41:14 +09:00
YAMAMOTO Takashi b05320cac2 mm: Move backtrace stuff into a separate option
The functionality has too much overhead for CONFIG_DEBUG_MM.
2022-05-21 14:28:41 +08:00
wangbowen6 1a4ccd2d70 Revert "mm_heap: heapsize align with MM_MIN_CHUNK."
This reverts commit 69e69740b5.
2022-04-11 12:46:17 +08:00
wangbowen6 69e69740b5 mm_heap: heapsize align with MM_MIN_CHUNK.
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-03-31 19:50:25 +08:00
wangbowen6 a0bde21f0f mm/mm_heap: place alloc-bit at the LSB of node->preceeding.
Heap always allocate the memory at least 2bytes alignment.

Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-03-31 14:43:56 +03:00
Jiuzhu Dong 709207b8d3 mm/memdump: dynamic turn on backtrace in heap when enable DEBUG_MM
default turn off.
turn on: echo on > /proc/memdump
turn off: echo off > proc/memdump

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-03-27 13:21:48 +08:00
Petro Karashchenko 68902d8732 pid_t: unify usage of special task IDs
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
2022-03-22 21:22:32 +08:00
Jiuzhu Dong 2dcc4a359d mm/dump: add pid and backtrace for every memory node
usage:
echo <pid/used/free> trace > /proc/memdump
echo used > /proc/memdump //output all used memory info with backtrace
echo free > /proc/memdump //output all free memory info
echo 22 > /proc/memdump //output used memory info for task pid is 22 with backtrace

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-02-26 14:32:42 +08:00
Jiuzhu Dong 39eaeefb78 mm/mm_heap: remove the unnecessary check for memory node size
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-02-26 14:32:42 +08:00
Jiuzhu Dong eba0323eae mm/mm_heap: add mm_foreach to run handler for every memory node
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-02-13 03:20:31 +08:00
Xiang Xiao 77792a1598 sched: Define CONFIG_SMP_NCPUS to 1 in no SMP case
to simplify the SMP related code logic

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-01-20 23:21:21 +08:00
ligd 5b369c5cec libs/lbc: remove CHAR_BIT = 16 support
For CEVA platform CHAR_BIT is 16, and will do lots of extra work
when use IPC.
We will not support this platform anymore, so remove all the b2c operations.

Signed-off-by: ligd <liguiding1@xiaomi.com>
2021-12-13 11:08:28 -06:00
Abdelatif Guettouche f86ceea099 mm/mm_heap/mm.h: Fix some typos.
Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
2021-08-03 10:11:26 -07:00
Xiang Xiao 5fe51b923a mm: Simplify the semaphore handling
1.Move all special process to mm_takesemaphore
2.Remove the support of recurive lock
3.Remove mm_trysemaphore function

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ie216a6294ab67c5d427f31b089beb15c532f08fe
2021-07-10 16:10:32 -03:00
Xiang Xiao 76cdd5c329 mm: Remove mm_heap_impl_s struct
it's more simple to make mm_heap_s opaque outside of mm

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I5c8e435f6baba6d22b10c5f7e8d9191104fb5af2
2021-07-07 04:25:15 -07:00
Xiang Xiao b1f711f790 mm: Move procfs_register_meminfo into common place
to avoid the code duplication and ensure the consistent behaviour

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-07-03 09:39:32 -07:00
ligd aa43a0215d mm: fix memory corruption when loop create/exit thread in SMP mode
Root casue:
when do thread exit, need add free stack operation to mm_delaylist,
but in SMP mode, CPU0 thread1 exit, at this time, CPU1 call malloc
and free mm_delaylist.

Fix:
Divide mm_delaylist for per CPU in SMP mode.

Change-Id: Ibf7d04614ea2f99fb5b506356b7346a0d94f0590
Signed-off-by: ligd <liguiding1@xiaomi.com>
2021-07-02 04:55:46 -05:00
Xiang Xiao e14c458747 mm/heap: Move semaphore related declaration to private header
since other subsystem doesn't need call these function anymore

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Idfb217c412db62d9f17f427310b75bb78785dc50
2021-03-22 15:35:32 +01:00
Xiang Xiao 473bacd7a2 mm/heap: Add FAR to the pointer type
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-03-21 10:11:43 +01:00
mage1 635cfadc25 mm: Move mm_heap_s related stuff to private header file
since it will improve the modularity and reduce the inforamtion explosion

Change-Id: I085b36adb38993a979625a1f4c252d364a15afa1
2021-03-19 09:56:39 -07:00