函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\resctrl\rdtgroup.c Create Date:2022-07-27 09:10:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：cpus_mon_write

函数原型：static int cpus_mon_write(struct rdtgroup *rdtgrp, cpumask_var_t newmask, cpumask_var_t tmpmask)

返回类型：int

参数：

类型参数名称
struct rdtgroup *rdtgrp
cpumask_var_tnewmask
cpumask_var_ttmpmask
336  prgrp等于parent
340  pumask_andnot - *dstp = *src1p & ~*src2p*@dstp: the cpumask result*@src1p: the first input*@src2p: the second input* If *@dstp is empty, returns 0, else returns 1
341  如果pumask_weight - Count of bits in *srcp*@srcp: the cpumask to count bits (< nr_cpu_ids) in.则
342  rdt_last_cmd_puts("Can only add CPUs to mongroup that belong to parent\n")
343  返回:负EINVAL
347  pumask_andnot - *dstp = *src1p & ~*src2p*@dstp: the cpumask result*@src1p: the first input*@src2p: the second input* If *@dstp is empty, returns 0, else returns 1
348  如果pumask_weight - Count of bits in *srcp*@srcp: the cpumask to count bits (< nr_cpu_ids) in.则
350  pumask_or - *dstp = *src1p | *src2p*@dstp: the cpumask result*@src1p: the first input*@src2p: the second input
351  Update the PGR_ASSOC MSR on all cpus in @cpu_mask,* Per task closids/rmids must have been set up before calling this function.
358  pumask_andnot - *dstp = *src1p & ~*src2p*@dstp: the cpumask result*@src1p: the first input*@src2p: the second input* If *@dstp is empty, returns 0, else returns 1
359  如果pumask_weight - Count of bits in *srcp*@srcp: the cpumask to count bits (< nr_cpu_ids) in.则
360  head等于crdtgrp_list
362  如果crgrp恒等于rdtgrp则继续下一循环
364  pumask_andnot - *dstp = *src1p & ~*src2p*@dstp: the cpumask result*@src1p: the first input*@src2p: the second input* If *@dstp is empty, returns 0, else returns 1
367  Update the PGR_ASSOC MSR on all cpus in @cpu_mask,* Per task closids/rmids must have been set up before calling this function.
371  pumask_copy - *dstp = *srcp*@dstp: the result*@srcp: the input cpumask
373  返回:0
调用者
名称描述
rdtgroup_cpus_write