Function report |
Source Code:kernel\bpf\arraymap.c |
Create Date:2022-07-28 13:11:58 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:perf_event_fd_array_get_ptr
Proto:static void *perf_event_fd_array_get_ptr(struct bpf_map *map, struct file *map_file, int fd)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct bpf_map * | map | |
struct file * | map_file | |
int | fd |
918 | perf_file = perf_event_get(fd) |
922 | ee = ERR_PTR( - EOPNOTSUPP) |
924 | If perf_event_read_local(event, & value, NULL, NULL) == -EOPNOTSUPP Then Go to err_out |
927 | ee = bpf_event_entry_gen(perf_file, map_file) |
931 | err_out : |
933 | Return ee |
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