Function report |
Source Code:kernel\bpf\stackmap.c |
Create Date:2022-07-28 13:26:25 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:stack_map_get_build_id_offset
Proto:static void stack_map_get_build_id_offset(struct bpf_stack_build_id *id_offs, u64 *ips, u32 trace_nr, bool user)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct bpf_stack_build_id * | id_offs | |
u64 * | ips | |
u32 | trace_nr | |
bool | user |
287 | bool irq_work_busy = false |
288 | struct stack_map_irq_work * work = NULL |
291 | work = this_cpu_ptr( & up_read_work) |
292 | If atomic_read( & flags) & IRQ_WORK_BUSY Then irq_work_busy = true |
307 | If Not user || Not current process || Not mm || irq_work_busy || rylock for reading -- returns 1 if successful, 0 if contention == 0 Then |
315 | Return |
320 | If Not vma || Parse build ID of ELF file mapped to vma Then |
332 | If Not work Then |
334 | Else |
342 | rwsem_release( & dep_map, _RET_IP_) |
Name | Describe |
---|---|
____bpf_get_stackid | |
____bpf_get_stack |
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 |