函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\jiffies.h Create Date:2022-07-27 06:39:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：secs_to_jiffies: - convert microseconds to jiffies*@u: time in microseconds* conversion is done as follows:* - 'too large' values [that would result in larger than* MAX_JIFFY_OFFSET values] mean 'infinite timeout' too

函数原型：static __always_inline unsigned long usecs_to_jiffies(const unsigned int u)

返回类型：unsigned long

参数：

类型参数名称
const unsigned intu
413  如果__builtin_constant_p(u)则
414  如果u大于jiffies_to_usecs(Change timeval to jiffies, trying to avoid the* most obvious overflows)则返回:Change timeval to jiffies, trying to avoid the* most obvious overflows
416  返回:_usecs_to_jiffies(u)
417  否则
418  返回:__usecs_to_jiffies(u)
调用者
名称描述
pm_qos_update_request_timeoutpm_qos_update_request_timeout - modifies an existing qos request temporarily.*@req : handle to list element holding a pm_qos request to use*@new_value: defines the temporal qos request*@timeout_us: the effective duration of this qos request in usecs.
ioc_start_period
__tcp_set_rto