函数逻辑报告 |
Source Code:kernel\events\hw_breakpoint.c |
Create Date:2022-07-27 15:04:58 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| 注解内核,赢得工具 | 下载SCCT | English |
函数名称： a set of per_cpu pointers to perf events
函数原型：struct perf_event *__percpu *register_wide_hw_breakpoint(struct perf_event_attr *attr, perf_overflow_handler_t triggered, void *context)
返回类型：struct perf_event
参数：
| 类型 | 参数 | 名称 |
|---|---|---|
| struct perf_event_attr * | attr | |
| perf_overflow_handler_t | triggered | |
| void * | context |
| 545 | __percpu乘cpu_events |
| 546 | err等于0 |
| 549 | cpu_events等于alloc_percpu(typeof( * cpu_events)) |
| 550 | 如果非cpu_events则返回:错误号 |
| 553 | get_online_cpus() |
| 555 | bp等于perf_event_create_kernel_counter*@attr: attributes of the counter to create*@cpu: cpu in which the counter is bound*@task: task to profile (NULL for percpu) |
| 557 | 如果是错误则 |
| 562 | per_cpu( * cpu_events, cpu)等于bp |
| 564 | put_online_cpus() |
| 566 | 如果此条件成立可能性大(为编译器优化)(!err)则返回:cpu_events |
| 570 | 返回:错误号 |
| 源代码转换工具 开放的插件接口 | X |
|---|---|
| 支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告 代码生成和批量转换代码 |
摘要：gister_wide_hw_breakpoint - register a wide breakpoint in the kernel*@attr: breakpoint attributes*@triggered: callback to trigger when we hit the breakpoint