函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_hwlat.c Create Date:2022-07-27 13:17:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：hwlat_tracer_start

函数原型：static void hwlat_tracer_start(struct trace_array *tr)

返回类型：void

参数：

类型参数名称
struct trace_array *tr
567  err等于start_kthread - Kick off the hardware latency sampling/detector kthread* This starts the kernel thread that will sit and sample the CPU timestamp* counter (TSC or similar) and look for potential hardware latencies.
568  如果err则打印错误信息(BANNER"Cannot start hwlat kthread\n")
调用者
名称描述
hwlat_tracer_init