Function report |
Source Code:kernel\trace\trace_irqsoff.c |
Create Date:2022-07-28 12:09:37 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:tracer_preempt_off
Proto:void tracer_preempt_off(unsigned long a0, unsigned long a1)
Type:void
Parameter:
Type | Parameter | Name |
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unsigned long | a0 | |
unsigned long | a1 |
672 | 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. |
674 | If preempt_trace(pc) && Not irq_trace() Then start_critical_timing(a0, a1, pc) |
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