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Read Latency: clat (usec): min=32, max=2335, avg=79.54, stdev=29.95
Write Latency: clat (usec): min=38, max=130, avg=57.76, stdev= 3.25

Values before kernel changes
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iostat output
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iostat -d /dev/nvme0n1 -x 1

Device            r_await w_await aqu-sz rareq-sz wareq-sz  svctm  %util
nvme0n1              0.08    0.06   0.06   128.00   128.00   1.07  97.70

Device            r_await w_await aqu-sz rareq-sz wareq-sz  svctm  %util
nvme0n1              0.08    0.06   0.06   128.00   128.00   1.08  98.80

Device            r_await w_await aqu-sz rareq-sz wareq-sz  svctm  %util
nvme0n1              0.08    0.05   0.06   128.00   128.00   1.06  97.20