Function report |
Source Code:kernel\events\ring_buffer.c |
Create Date:2022-07-28 13:42:02 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:perf_output_wakeup
Proto:static void perf_output_wakeup(struct perf_output_handle *handle)
Type:void
Parameter:
Type | Parameter | Name |
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struct perf_output_handle * | handle |
22 | atomic_set( & poll, Epoll event masks ) |
24 | pending_wakeup = 1 |
Name | Describe |
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perf_output_put_handle | |
perf_aux_output_begin | This is called before hardware starts writing to the AUX area to* obtain an output handle and make sure there's room in the buffer |
perf_aux_output_end | Commit the data written by hardware into the ring buffer by adjusting* aux_head and posting a PERF_RECORD_AUX into the perf buffer. It is the* pmu driver's responsibility to observe ordering rules of the hardware, |
perf_aux_output_skip | Skip over a given number of bytes in the AUX buffer, due to, for example,* hardware's alignment constraints. |
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