Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\umwait.c Create Date:2022-07-28 07:56:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:max_time_show

Proto:static ssize_t max_time_show(struct device *kobj, struct device_attribute *attr, char *buf)

Type:ssize_t

Parameter:

TypeParameterName
struct device *kobj
struct device_attribute *attr
char *buf
166  ctrl = READ_ONCE(Cache IA32_UMWAIT_CONTROL MSR. This is a systemwide control. By default,* umwait max time is 100000 in TSC-quanta and C0.2 is enabled)
168  Return sprintf(buf, "%u\n", umwait_ctrl_max_time(ctrl))