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SSV-25461 High latency due to ZFSin driver#111

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datacore-PankajSharma wants to merge 15 commits intodatacore-windowsfrom
SSV-25461-HighLatencyDueToZFSin
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SSV-25461 High latency due to ZFSin driver#111
datacore-PankajSharma wants to merge 15 commits intodatacore-windowsfrom
SSV-25461-HighLatencyDueToZFSin

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@datacore-PankajSharma
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Motivation and Context

Description

How Has This Been Tested?

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Performance enhancement (non-breaking change which improves efficiency)
  • Code cleanup (non-breaking change which makes code smaller or more readable)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Library ABI change (libzfs, libzfs_core, libnvpair, libuutil and libzfsbootenv)
  • Documentation (a change to man pages or other documentation)

Checklist:

Comment thread module/zfs/txg.c Outdated
delta = ddi_get_lbolt() - start;
spa_txg_history_fini_io(spa, ts);

/* ◄── ADC: feed measured delta into controller.
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Can you please remove "◄──" this special charecters from the code

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Done

Comment thread module/zfs/txg.c Outdated
mutex_exit(&tx->tx_sync_lock);

txg_stat_t *ts = spa_txg_history_init_io(spa, txg, dp);
int64_t dirty_flushed = spa->spa_dsl_pool->dp_dirty_pertxg[txg & TXG_MASK];
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Can you also add "dp_dirty_total".
Ideally accessing dp_dirty_pertxg should be under lock, in this case it may be okay as we just need approximate value.

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Done

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2 participants