Re: [PATCH V4 0/3] block: add two statistic tables

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Hi Jens,

Any chance can this be considered for 5.12?

Thanks,
Guoqing

On 2/3/21 16:10, Guoqing Jiang wrote:
Hi Jens,

This version adds Reviewed-by tag from Johannes.

Thanks,
Guoqing

PATCH V3: https://lore.kernel.org/linux-block/7f78132a-affc-eb03-735a-4da43e143b6e@xxxxxxxxxxxxxxx/T/#t
* reorgnize the patchset per Johannes's suggestion.

PATCH V2: https://lore.kernel.org/linux-block/20210201012727.28305-1-guoqing.jiang@xxxxxxxxxxxxxxx/T/#t
*. remove BLK_ADDITIONAL_DISKSTAT option per Christoph's comment.
*. move blk_queue_io_extra_stat into blk_additional_{latency,sector}
    per Christoph's comment.
*. simplify blk_additional_latency by pass duration time directly.

PATCH V1: https://marc.info/?l=linux-block&m=161176000024443&w=2
* add Jack's reviewed-by.

RFC V4: https://marc.info/?l=linux-block&m=161027198729158&w=2
* rebase with latest code.

RFC V3: https://marc.info/?l=linux-block&m=159730633416534&w=2
* Move the #ifdef CONFIG_BLK_ADDITIONAL_DISKSTAT into the function body
   per Johannes's comment.
* Tweak the output of two tables to make they are more intuitive

RFC V2: https://marc.info/?l=linux-block&m=159467483514062&w=2
* don't call ktime_get_ns and drop unnecessary patches.
* add io_extra_stats to avoid potential overhead.

RFC V1: https://marc.info/?l=linux-block&m=159419516730386&w=2

Guoqing Jiang (3):
   block: add io_extra_stats node
   block: add a statistic table for io latency
   block: add a statistic table for io sector

  Documentation/ABI/testing/sysfs-block | 26 ++++++++++
  Documentation/block/queue-sysfs.rst   |  5 ++
  block/blk-core.c                      | 43 ++++++++++++++++
  block/blk-sysfs.c                     |  3 ++
  block/genhd.c                         | 74 +++++++++++++++++++++++++++
  include/linux/blkdev.h                |  2 +
  include/linux/part_stat.h             |  6 +++
  7 files changed, 159 insertions(+)




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