Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\trace\events\writeback.h Create Date:2022-07-28 14:08:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:trace_bdi_dirty_ratelimit

Proto:static inline void trace_bdi_dirty_ratelimit(struct bdi_writeback *wb, unsigned long dirty_rate, unsigned long task_ratelimit)

Type:void

Parameter:

TypeParameterName
struct bdi_writeback *wb
unsigned longdirty_rate
unsigned longtask_ratelimit

NULL

Caller
NameDescribe
wb_update_dirty_ratelimitMaintain wb->dirty_ratelimit, the base dirty throttle rate.* Normal wb tasks will be curbed at or below it in long term.* Obviously it should be around (write_bw / N) when there are N dd tasks.