Function report |
Source Code:kernel\trace\trace_functions_graph.c |
Create Date:2022-07-28 12:12:44 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:trace_graph_return
Proto:void trace_graph_return(struct ftrace_graph_ret *trace)
Type:void
Parameter:
Type | Parameter | Name |
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struct ftrace_graph_ret * | trace |
239 | tr = graph_array |
248 | If trace_recursion_test(TRACE_GRAPH_NOTRACE_BIT) Then |
250 | Return |
253 | local_irq_save(flags) |
255 | data = per_cpu_ptr(data, cpu) |
256 | disabled = atomic_inc_return( & disabled) |
257 | If Value is more likely to compile time(disabled == 1) Then |
258 | pc = We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users* that think a non-zero value indicates we cannot preempt. |
259 | __trace_graph_return(tr, trace, flags, pc) |
261 | atomic_dec( & disabled) |
262 | local_irq_restore(flags) |
Name | Describe |
---|---|
trace_graph_thresh_return |
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