prefetch

函数名称：Prefetch instructions for Pentium III (+) and AMD Athlon (+)* It's not worth to care about 3dnow prefetches for the K6* because they are microcoded there and very slow.

函数原型：static inline void prefetch(const void *x)

返回类型：void

参数：

类型	参数	名称
const void *	x

824

Alternative inline assembly with input.* Peculiarities:* No memory clobber here.* Argument numbers start with 1.* Best is to use constraints that are fixed size (like (%1) ... "r")* If you use variable sized constraints like "m" or "g" in the(BASE_PREFETCH, "prefetchnta %P1", "sse" , "m"( * (constchar * )x))

**调用者**
名称	描述
prefetch_curr_exec_start	The function fair_sched_class.update_curr accesses the struct curr* and its field curr->exec_start; when called from task_sched_runtime(),* we observe a high rate of cache misses in practice.* Prefetching this data results in improved performance.
rcu_process_callbacks	Invoke the RCU callbacks whose grace period has elapsed.
bq_xmit_all
prefetch_buddy
prefetch_freepointer
blk_mq_tag_to_rq
prepend_path	prepend_path - Prepend path string to a buffer@path: the dentry/vfsmount to report@root: root vfsmnt/dentry@buffer: pointer to the end of the buffer@buflen: pointer to buffer length* The function will first try to write out the pathname without taking
__dentry_path	Write full pathname from the root of the filesystem into the buffer.
__blockdev_direct_IO
prefetch_range

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码