Home
last modified time | relevance | path

Searched refs:slab (Results 1 – 25 of 46) sorted by relevance

12

/Zephyr-latest/kernel/
Dmem_slab.c30 struct k_mem_slab *slab; in k_mem_slab_stats_raw() local
33 slab = CONTAINER_OF(obj_core, struct k_mem_slab, obj_core); in k_mem_slab_stats_raw()
34 key = k_spin_lock(&slab->lock); in k_mem_slab_stats_raw()
35 memcpy(stats, &slab->info, sizeof(slab->info)); in k_mem_slab_stats_raw()
36 k_spin_unlock(&slab->lock, key); in k_mem_slab_stats_raw()
45 struct k_mem_slab *slab; in k_mem_slab_stats_query() local
49 slab = CONTAINER_OF(obj_core, struct k_mem_slab, obj_core); in k_mem_slab_stats_query()
50 key = k_spin_lock(&slab->lock); in k_mem_slab_stats_query()
51 ptr->free_bytes = (slab->info.num_blocks - slab->info.num_used) * in k_mem_slab_stats_query()
52 slab->info.block_size; in k_mem_slab_stats_query()
[all …]
/Zephyr-latest/tests/bluetooth/audio/mocks/src/
Dmem_slab.c13 int k_mem_slab_alloc(struct k_mem_slab *slab, void **mem, k_timeout_t timeout) in k_mem_slab_alloc() argument
15 if (slab->info.num_used >= slab->info.num_blocks) { in k_mem_slab_alloc()
20 *mem = malloc(slab->info.block_size); in k_mem_slab_alloc()
23 slab->info.num_used++; in k_mem_slab_alloc()
27 void k_mem_slab_free(struct k_mem_slab *slab, void *mem) in k_mem_slab_free() argument
30 slab->info.num_used--; in k_mem_slab_free()
/Zephyr-latest/subsys/demand_paging/backing_store/
Dram.c70 static uintptr_t slab_to_location(void *slab) in slab_to_location() argument
72 char *pos = slab; in slab_to_location()
77 "bad slab pointer %p", slab); in slab_to_location()
80 "unaligned slab pointer %p", slab); in slab_to_location()
90 void *slab; in k_mem_paging_backing_store_location_get() local
96 ret = k_mem_slab_alloc(&backing_slabs, &slab, K_NO_WAIT); in k_mem_paging_backing_store_location_get()
101 *location = slab_to_location(slab); in k_mem_paging_backing_store_location_get()
109 void *slab = location_to_slab(location); in k_mem_paging_backing_store_location_free() local
111 k_mem_slab_free(&backing_slabs, slab); in k_mem_paging_backing_store_location_free()
/Zephyr-latest/subsys/net/lib/shell/
Dmem.c23 struct k_mem_slab *slab, in slab_pool_found_already() argument
29 if (slab) { in slab_pool_found_already()
30 if (info->tx_slabs[i] == slab) { in slab_pool_found_already()
50 struct k_mem_slab *slab; in context_info() local
58 slab = context->tx_slab(); in context_info()
60 if (slab_pool_found_already(info, slab, NULL)) { in context_info()
66 slab, slab->info.num_blocks, k_mem_slab_num_free_get(slab)); in context_info()
68 PR("%p\t%d\tETX\n", slab, slab->info.num_blocks); in context_info()
71 info->tx_slabs[info->pos] = slab; in context_info()
169 PR("%p\tOK \t%u\t%llu\t\t%llu\n", stats->slab, stats->ok.count, in cmd_net_mem()
[all …]
Dpkt.c13 static bool is_pkt_part_of_slab(const struct k_mem_slab *slab, const char *ptr) in is_pkt_part_of_slab() argument
15 size_t last_offset = (slab->info.num_blocks - 1) * slab->info.block_size; in is_pkt_part_of_slab()
19 if ((ptr < slab->buffer) || (ptr > slab->buffer + last_offset)) { in is_pkt_part_of_slab()
24 ptr_offset = ptr - slab->buffer; in is_pkt_part_of_slab()
25 if (ptr_offset % slab->info.block_size != 0) { in is_pkt_part_of_slab()
46 struct k_mem_slab *slab = context->tx_slab(); in check_context_pool() local
48 if (is_pkt_part_of_slab(slab, info->ptr)) { in check_context_pool()
Dallocs.c45 net_pkt_slab2str(pkt->slab), in allocs_cb()
49 pkt, str, net_pkt_slab2str(pkt->slab), in allocs_cb()
/Zephyr-latest/doc/kernel/memory_management/
Dslabs.rst6 A :dfn:`memory slab` is a kernel object that allows memory blocks
8 All memory blocks in a memory slab have a single fixed size,
20 memory slab is referenced by its memory address.
22 A memory slab has the following key properties:
30 * A **buffer** that provides the memory for the memory slab's blocks.
33 The memory slab's buffer must be aligned to an N-byte boundary, where
38 A memory slab must be initialized before it can be used. This marks all of
42 slab. When the thread finishes with a memory block,
43 it must release the block back to the memory slab so the block can be reused.
47 Any number of threads may wait on an empty memory slab simultaneously;
[all …]
/Zephyr-latest/drivers/usb/udc/
DKconfig.kinetis13 int "Number or blocks in event slab"
18 Number of blocks in slab for internal endpoint events.
DKconfig.mcux25 int "Number or blocks in event slab"
30 Number of blocks in slab for internal controller events.
/Zephyr-latest/tests/kernel/mem_slab/mslab_threadsafe/src/
Dtest_mslab_threadsafe.c44 struct k_mem_slab *slab = slabs[id % SLAB_NUM]; in tmslab_api() local
51 ret = k_mem_slab_alloc(slab, &block[i], TIMEOUT); in tmslab_api()
56 k_mem_slab_free(slab, block[i]); in tmslab_api()
/Zephyr-latest/subsys/net/ip/
Dnet_pkt.c279 const char *net_pkt_slab2str(struct k_mem_slab *slab) in net_pkt_slab2str() argument
281 if (slab == &rx_pkts) { in net_pkt_slab2str()
283 } else if (slab == &tx_pkts) { in net_pkt_slab2str()
365 static inline const char *slab2str(struct k_mem_slab *slab) in slab2str() argument
367 return net_pkt_slab2str(slab); in slab2str()
451 if (pkt->slab == &rx_pkts) { in net_pkt_get_frag_debug()
560 slab2str(pkt->slab), k_mem_slab_num_free_get(pkt->slab),
616 k_mem_slab_free(pkt->slab, (void *)pkt);
641 slab2str(pkt->slab), k_mem_slab_num_free_get(pkt->slab),
870 static struct net_pkt_alloc_stats_slab *find_alloc_stats(struct k_mem_slab *slab) argument
[all …]
/Zephyr-latest/subsys/tracing/test/
Dtracing_string_format_test.c487 void sys_trace_k_mem_slab_alloc_enter(struct k_mem_slab *slab, void **mem, k_timeout_t timeout) in sys_trace_k_mem_slab_alloc_enter() argument
489 TRACING_STRING("%s: %p\n", __func__, slab); in sys_trace_k_mem_slab_alloc_enter()
492 void sys_trace_k_mem_slab_alloc_blocking(struct k_mem_slab *slab, void **mem, k_timeout_t timeout) in sys_trace_k_mem_slab_alloc_blocking() argument
494 TRACING_STRING("%s: %p\n", __func__, slab); in sys_trace_k_mem_slab_alloc_blocking()
497 void sys_trace_k_mem_slab_alloc_exit(struct k_mem_slab *slab, void **mem, k_timeout_t timeout, in sys_trace_k_mem_slab_alloc_exit() argument
500 TRACING_STRING("%s: %p\n", __func__, slab); in sys_trace_k_mem_slab_alloc_exit()
503 void sys_trace_k_mem_slab_free_enter(struct k_mem_slab *slab, void *mem) in sys_trace_k_mem_slab_free_enter() argument
505 TRACING_STRING("%s: %p\n", __func__, slab); in sys_trace_k_mem_slab_free_enter()
508 void sys_trace_k_mem_slab_free_exit(struct k_mem_slab *slab, void *mem) in sys_trace_k_mem_slab_free_exit() argument
510 TRACING_STRING("%s: %p\n", __func__, slab); in sys_trace_k_mem_slab_free_exit()
Dtracing_test.h429 #define sys_port_trace_k_mem_slab_init(slab, rc) \ argument
430 sys_trace_k_mem_slab_init(slab, buffer, block_size, num_blocks, rc)
431 #define sys_port_trace_k_mem_slab_alloc_enter(slab, timeout) \ argument
432 sys_trace_k_mem_slab_alloc_enter(slab, mem, timeout)
433 #define sys_port_trace_k_mem_slab_alloc_blocking(slab, timeout) \ argument
434 sys_trace_k_mem_slab_alloc_blocking(slab, mem, timeout)
435 #define sys_port_trace_k_mem_slab_alloc_exit(slab, timeout, ret) \ argument
436 sys_trace_k_mem_slab_alloc_exit(slab, mem, timeout, ret)
437 #define sys_port_trace_k_mem_slab_free_enter(slab) argument
438 #define sys_port_trace_k_mem_slab_free_exit(slab) sys_trace_k_mem_slab_free_exit(slab, mem) argument
[all …]
/Zephyr-latest/include/zephyr/tracing/
Dtracking.h91 #define sys_port_track_k_mem_slab_init(slab, rc) \ argument
92 sys_track_k_mem_slab_init(slab)
102 void sys_track_k_mem_slab_init(struct k_mem_slab *slab);
145 #define sys_port_track_k_mem_slab_init(slab, rc) argument
Dtracing.h1902 #define sys_port_trace_k_mem_slab_init(slab, rc) argument
1909 #define sys_port_trace_k_mem_slab_alloc_enter(slab, timeout) argument
1916 #define sys_port_trace_k_mem_slab_alloc_blocking(slab, timeout) argument
1924 #define sys_port_trace_k_mem_slab_alloc_exit(slab, timeout, ret) argument
1930 #define sys_port_trace_k_mem_slab_free_enter(slab) argument
1936 #define sys_port_trace_k_mem_slab_free_exit(slab) argument
/Zephyr-latest/tests/kernel/obj_tracking/src/
Dmain.c33 struct k_mem_slab slab; in ZTEST() local
56 k_mem_slab_init(&slab, slab_buffer, 8, 4); in ZTEST()
60 if (list == &slab || list == &slab_s) { in ZTEST()
/Zephyr-latest/subsys/bluetooth/mesh/
Dadv.c138 struct k_mem_slab *slab = &local_adv_pool; in bt_mesh_adv_unref() local
142 slab = &relay_adv_pool; in bt_mesh_adv_unref()
148 slab = &friend_adv_pool; in bt_mesh_adv_unref()
152 k_mem_slab_free(slab, (void *)adv); in bt_mesh_adv_unref()
/Zephyr-latest/subsys/tracing/
Dtracing_tracking.c66 void sys_track_k_mem_slab_init(struct k_mem_slab *slab) in sys_track_k_mem_slab_init() argument
69 SYS_TRACK_LIST_PREPEND(_track_list_k_mem_slab, slab)); in sys_track_k_mem_slab_init()
/Zephyr-latest/tests/drivers/i2s/i2s_api/src/
Dcommon.c109 struct k_mem_slab *slab) in tx_block_write_slab() argument
131 struct k_mem_slab *slab) in rx_block_read_slab() argument
/Zephyr-latest/drivers/audio/
DKconfig.dmic_mcux21 reserve for the DMA engine. The memory slab used with the DMIC
/Zephyr-latest/include/zephyr/
Dkernel.h5444 int k_mem_slab_init(struct k_mem_slab *slab, void *buffer,
5469 int k_mem_slab_alloc(struct k_mem_slab *slab, void **mem,
5481 void k_mem_slab_free(struct k_mem_slab *slab, void *mem);
5493 static inline uint32_t k_mem_slab_num_used_get(struct k_mem_slab *slab) in k_mem_slab_num_used_get() argument
5495 return slab->info.num_used; in k_mem_slab_num_used_get()
5508 static inline uint32_t k_mem_slab_max_used_get(struct k_mem_slab *slab) in k_mem_slab_max_used_get() argument
5511 return slab->info.max_used; in k_mem_slab_max_used_get()
5513 ARG_UNUSED(slab); in k_mem_slab_max_used_get()
5528 static inline uint32_t k_mem_slab_num_free_get(struct k_mem_slab *slab) in k_mem_slab_num_free_get() argument
5530 return slab->info.num_blocks - slab->info.num_used; in k_mem_slab_num_free_get()
[all …]
/Zephyr-latest/subsys/tracing/sysview/
Dtracing_sysview.h617 #define sys_port_trace_k_mem_slab_init(slab, rc) \ argument
618 SEGGER_SYSVIEW_RecordU32(TID_MSLAB_INIT, (uint32_t)(uintptr_t)slab)
620 #define sys_port_trace_k_mem_slab_alloc_enter(slab, timeout) \ argument
621 SEGGER_SYSVIEW_RecordU32x2(TID_MSLAB_ALLOC, (uint32_t)(uintptr_t)slab, \
624 #define sys_port_trace_k_mem_slab_alloc_blocking(slab, timeout) argument
625 #define sys_port_trace_k_mem_slab_alloc_exit(slab, timeout, ret) \ argument
628 #define sys_port_trace_k_mem_slab_free_enter(slab) \ argument
629 SEGGER_SYSVIEW_RecordU32(TID_MSLAB_FREE, (uint32_t)(uintptr_t)slab)
631 #define sys_port_trace_k_mem_slab_free_exit(slab) SEGGER_SYSVIEW_RecordEndCall(TID_MSLAB_ALLOC) argument
DSYSVIEW_Zephyr.txt89 84 k_mem_slab_init slab=%I, buffer=%p, bock_size=%u, num_blocks=%u | Returns ErrCodePos…
90 85 k_mem_slab_alloc slab=%I, mem=%p, Timeout=%TimeOut | Returns %ErrCodePosix
91 86 k_mem_slab_free slab=%I, mem=%p
/Zephyr-latest/subsys/tracing/user/
Dtracing_user.h375 #define sys_port_trace_k_mem_slab_init(slab, rc) argument
376 #define sys_port_trace_k_mem_slab_alloc_enter(slab, timeout) argument
377 #define sys_port_trace_k_mem_slab_alloc_blocking(slab, timeout) argument
378 #define sys_port_trace_k_mem_slab_alloc_exit(slab, timeout, ret) argument
379 #define sys_port_trace_k_mem_slab_free_enter(slab) argument
380 #define sys_port_trace_k_mem_slab_free_exit(slab) argument
/Zephyr-latest/lib/mem_blocks/
DKconfig17 the associated buffer (unlike memory slab). This allows

12