函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\hw_breakpoint.c Create Date:2022-07-27 15:04:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__modify_bp_slot

函数原型：static int __modify_bp_slot(struct perf_event *bp, u64 old_type, u64 new_type)

返回类型：int

参数：

类型参数名称
struct perf_event *bp
u64old_type
u64new_type
339  __release_bp_slot(bp, old_type)
341  err等于Constraints to check before allowing this new breakpoint counter:* == Non-pinned counter == (Considered as pinned for now)* - If attached to a single cpu, check:* (per_cpu(info->flexible, cpu) || (per_cpu(info->cpu_pinned, cpu)* +
342  如果err则
351  WARN_ON(Constraints to check before allowing this new breakpoint counter:* == Non-pinned counter == (Considered as pinned for now)* - If attached to a single cpu, check:* (per_cpu(info->flexible, cpu) || (per_cpu(info->cpu_pinned, cpu)* + )
354  返回:err
调用者
名称描述
modify_bp_slot