Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_functions_graph.c Create Date:2022-07-28 12:12:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__trace_graph_function

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

Type:void

Parameter:

TypeParameterName
struct trace_array *tr
unsigned longip
unsigned longflags
intpc
193  time = 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)
Caller
NameDescribe
trace_graph_function