函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_functions_graph.c Create Date:2022-07-27 13:19:34
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__trace_graph_function

函数原型：static void __trace_graph_function(struct trace_array *tr, unsigned long ip, unsigned long flags, int pc)

返回类型：void

参数：

类型参数名称
struct trace_array *tr
unsigned longip
unsigned longflags
intpc
193  time等于race_clock_local(): the simplest and least coherent tracing clock.* Useful for tracing that does not cross to other CPUs nor* does it go through idle events.
194  struct ftrace_graph_ent ent = {Current function = ip, depth = 0, }
198  struct ftrace_graph_ret ret = {Current function = ip, depth = 0, calltime = time, rettime = time, }
205  __trace_graph_entry(tr, & ent, flags, pc)
206  __trace_graph_return(tr, & ret, flags, pc)
调用者
名称描述
trace_graph_function