函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\itmt.c Create Date:2022-07-27 09:49:36
Last Modify:2020-03-16 21:30:12 Copyright©Brick
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函数名称：sched_set_itmt_support() - Indicate platform supports ITMT* This function is used by the OS to indicate to scheduler that the platform* is capable of supporting the ITMT feature.* The current scheme has the pstate driver detects if the system

函数原型：int sched_set_itmt_support(void)

返回类型：int

参数：无

111  mutex_lock( & itmt_update_mutex)
113  如果Boolean to track if system has ITMT capabilities 则
114  mutex_unlock( & itmt_update_mutex)
115  返回:0
118  itmt_sysctl_header等于注册sysctl
119  如果非itmt_sysctl_header则
120  mutex_unlock( & itmt_update_mutex)
121  返回:负ENOMEM
124  Boolean to track if system has ITMT capabilities = true
126  Boolean to control whether we want to move processes to cpu capable* of higher turbo frequency for cpus supporting Intel Turbo Boost Max* Technology 3.0.* It can be set via /proc/sys/kernel/sched_itmt_enabled等于1
128  Flag to indicate if a complete sched domain rebuild is required = true
129  rebuild_sched_domains()
131  mutex_unlock( & itmt_update_mutex)
133  返回:0