Function report |
Source Code:kernel\events\core.c |
Create Date:2022-07-28 13:35:17 |
Last Modify:2022-05-20 07:50:19 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:_perf_event_period
Proto:static int _perf_event_period(struct perf_event *event, u64 value)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct perf_event * | event | |
u64 | value |
5182 | If Not is_sampling_event(event) Then Return -EINVAL |
5188 | If freq && value > sysctl_perf_event_sample_rate Then Return -EINVAL |
5191 | If perf_event_check_period(event, value) Then Return -EINVAL |
5197 | event_function_call(event, __perf_event_period, & value) |
5199 | Return 0 |
Name | Describe |
---|---|
perf_event_period | |
_perf_ioctl |
Source code conversion tool public plug-in interface | X |
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