Function report |
Source Code:kernel\bpf\queue_stack_maps.c |
Create Date:2022-07-28 13:14:47 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:queue_stack_map_alloc
Proto:static struct bpf_map *queue_stack_map_alloc(union bpf_attr *attr)
Type:struct bpf_map
Parameter:
Type | Parameter | Name |
---|---|---|
union bpf_attr * | attr |
70 | struct bpf_map_memory mem = {0} |
74 | size = max number of entries in a map + 1 |
75 | cost = queue_size = size of qs + size * size of value in bytes |
77 | ret = bpf_map_charge_init( & mem, cost) |
81 | qs = bpf_map_area_alloc(queue_size, numa_node) |
82 | If Not qs Then |
83 | bpf_map_charge_finish( & mem) |
89 | bpf_map_init_from_attr( & map, attr) |
91 | bpf_map_charge_move( & memory, & mem) |
92 | max_entries + 1 = size |
94 | raw_spin_lock_init( & lock) |
96 | Return map |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |