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36 Commits

Author SHA1 Message Date
anjiahao
bdcb1f6a25 fix:mmsize_t need support 64bit 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-01-16 20:32:17 +08:00
dongjiuzhu1
c82f44c4f3 mm/mm_heap: add mempool to optimize small block performance 
There are many small memory block in NuttX system, eg: struct tcb_s,
struct inode, etc, and several disadvantages about them:
1.Their frequent allocate and free cause the system memory fragmentation.
2.Since each memory block has an overhead, the utilization of small memory
blocks is relatively low, which will cause memory waste.

So we can use mempool to alloc smallo block, to improve alloc speed
and utilization, to reduce fragmentation.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
 2023-01-16 20:32:17 +08:00
dongjiuzhu1
7cd325f3be mm/mm_heap: remove kasan in MM_ADD_BACKTRACE 
do simple copy to instead of memset and memcpy operation because
they have been instrumented, if you access the posion area,
the system will crash.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
 2023-01-16 20:32:17 +08:00
Xiang Xiao
54de894e52 mm/heap: Skip memset backtrace buffer 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-01-08 01:25:18 +02:00
Xiang Xiao
70ecb4ef26 mm/heap: Changee mmchunk_handler_t to mm_node_handler_t 
to unify the term usage(chunk v.s. node and mm v.s. mm_)

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-01-08 01:25:18 +02:00
anjiahao
f403118647 mm:fix typos 
./mm_heap/mm.h:86:27: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token
   86 |          FAR strcut tcb_s *tcb; \
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2022-12-22 20:19:05 +08:00
anjiahao
70791af8e2 procmeminfo:support memdump can show specific task 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2022-12-19 20:43:33 +08:00
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