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HFS512GD9TNG-62A0A (fwrev: 80005E00) | bench version 2.2.3 x86_64-unknown-linux-gnu #86

Open iocost-issue-creater[bot] opened 6 months ago

iocost-issue-creater[bot] commented 6 months ago

https://iocostbucket-eu-north-1.s3.eu-north-1.amazonaws.com/result-b80740f1f9343743b0658b9d93d5e9a9.json.gz

==========================================================================================

[iocost-params 2.2.5 result] 2023-05-01 19:18:49 - 19:29:04

System info: kernel="5.18.0-rc6"
             nr_cpus=52 memory=13.6G swap=4.5G swappiness=60
             mem_profile=16 (avail=0 share=0 target=0)

IO info: dev=nvme0n1(259:0) model="HFS512GD9TNG-62A0A" firmware ="80005E00" size=477G
         iosched=none wbt=off iocost=off other=off

iocost model: rbps=1301184436 rseqiops=72046 rrandiops=116693
              wbps=195808171 wseqiops=12944 wrandiops=14937
iocost QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 min=60.00 max=100.00

==========================================================================================

[iocost-qos 2.2.5 result] 2023-05-01 19:18:49 - 23:14:39

System info: kernel="5.18.0-rc6"
             nr_cpus=52 memory=13.6G swap=4.5G swappiness=60
             mem_profile=16 (avail=12.4G share=12.0G target=11.0G)

IO info: dev=nvme0n1(259:0) model="SKhynix Phoenix" firmware ="80005E00" size=477G
         iosched=none wbt=off iocost=on other=off
         iocost model: rbps=1301184436 rseqiops=72046 rrandiops=116693
                       wbps=195808171 wseqiops=12944 wrandiops=14937
         iocost QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 min=70.65 max=70.65

hashd params: hash_size=1.2M rps_max=2000 mem_actual=14.6G chunk_pages=25 fake_cpu_load

Params: hash_size=1.2M rps_max=2000 log_bps=1.0M

[00] QoS: iocost=off mem_profile=16
[01] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=120.65] [max=120.65]
[02] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=115.65] [max=115.65]
[03] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=110.65] [max=110.65]
[04] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=105.65] [max=105.65]
[05] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=100.65] [max=100.65]
[06] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=95.65] [max=95.65]
[07] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=90.65] [max=90.65]
[08] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=85.65] [max=85.65]
[09] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=80.65] [max=80.65]
[10] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=75.65] [max=75.65]
[11] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=70.65] [max=70.65]
[12] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=65.65] [max=65.65]
[13] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=60.65] [max=60.65]
[14] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=55.65] [max=55.65]
[15] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=50.65] [max=50.65]
[16] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=45.65] [max=45.65]
[17] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=40.65] [max=40.65]
[18] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=35.65] [max=35.65]
[19] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=30.65] [max=30.65]
[20] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=25.65] [max=25.65]
[21] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=20.65] [max=20.65]
[22] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=15.65] [max=15.65]
[23] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=10.65] [max=10.65]
[24] QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 [min=5.65] [max=5.65]

         MOF     aMOF  isol-05%       lat-imp%  work-csv%  missing%
[00]   1.329     FAIL         -       -:     -          -       1.8
[01]   1.338     FAIL         -       -:     -          -       0.7
[02]   1.320    1.055      97.5     2.4:   8.5       33.9       0.7
[03]   1.389    1.337      93.6     6.0:   9.2       49.4       1.2
[04]   1.356    1.261      96.2     3.5:   6.6       42.4       1.0
[05]   1.375    1.276      94.8     3.9:   4.0       49.5       1.0
[06]   1.322    1.234      98.2     0.8:   2.0       42.4       1.3
[07]   1.291    1.291      98.8     1.6:   3.2       43.8       1.1
[08]   1.356    1.308      93.5     6.0:  17.4       56.9       1.2
[09]   1.358    1.358      97.0     2.1:   2.8       60.7       1.0
[10]   1.391    1.340      94.5     2.2:   4.4       59.0       1.4
[11]   1.325    1.281      93.4     4.3:  10.7       59.9       1.0
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RLAT               p50                p90                p99                max
[00]  903u: 4.6m/92.5m   5.6m:22.0m/ 350m  19.3m:59.6m/ 950m  74.2m: 167m/ 1.4s
[01]  275u: 607u/ 9.5m   3.8m: 9.5m/96.5m  14.3m:24.9m/ 150m  60.3m: 105m/ 550m
[02]  278u: 1.0m/30.5m   2.9m: 5.3m/78.5m  11.8m:22.0m/99.5m  50.5m:94.9m/ 550m
[03]  411u: 1.3m/15.5m   3.3m: 3.8m/31.5m   7.8m: 9.2m/94.5m  29.7m:44.3m/ 750m
[04]  421u: 1.6m/28.5m   3.2m: 4.2m/68.5m   8.0m:11.8m/ 250m  29.1m:50.1m/ 1.1s
[05]  417u: 1.6m/28.5m   3.1m: 4.7m/82.5m   8.1m:11.9m/99.5m  32.1m:47.0m/ 450m
[06]  390u: 1.4m/22.5m   2.8m: 3.4m/39.5m   6.2m: 7.8m/83.5m  24.5m:34.6m/ 550m
[07]  310u: 967u/20.5m   2.9m: 2.6m/34.5m   7.1m: 7.8m/91.5m  28.6m:37.2m/ 550m
[08]  352u: 849u/12.5m   3.1m: 3.4m/32.5m   7.8m:10.1m/96.5m  27.3m:32.8m/ 350m
[09]  320u: 845u/16.5m   2.8m: 2.6m/26.5m   6.7m: 6.0m/42.5m  24.4m:23.8m/ 250m
[10]  353u: 840u/16.5m   2.7m: 2.8m/29.5m   6.1m: 6.7m/97.5m  22.0m:28.6m/ 350m
[11]  361u: 960u/12.5m   2.9m: 3.1m/22.5m   7.3m: 7.9m/90.5m  26.3m:27.1m/ 250m
[12]  Skipped
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WLAT               p50                p90                p99                max
[00] 18.9m:36.6m/ 550m  35.7m:65.3m/ 1.1s  48.0m:94.7m/ 1.2s  90.7m: 183m/ 1.6s
[01] 21.5m:24.6m/97.5m  38.8m:33.3m/ 150m  45.2m:37.9m/ 350m  89.9m: 122m/ 850m
[02] 17.7m:21.3m/96.5m  34.8m:30.3m/98.5m  40.8m:33.7m/ 150m  74.7m: 104m/ 750m
[03] 17.0m:17.2m/97.5m  34.9m:26.8m/ 150m  43.6m:33.4m/ 350m  54.5m:59.2m/ 750m
[04] 16.6m:19.7m/ 250m  33.2m:32.4m/ 550m  41.9m:41.4m/ 750m  52.7m:66.0m/ 1.1s
[05] 18.9m:18.5m/95.5m  35.7m:26.6m/97.5m  43.9m:30.4m/ 150m  58.4m:60.3m/ 550m
[06] 16.0m:16.9m/95.5m  29.1m:25.0m/97.5m  36.4m:30.5m/ 150m  44.3m:50.2m/ 750m
[07] 19.3m:15.7m/73.5m  34.4m:22.8m/95.5m  43.1m:28.9m/ 250m  51.8m:47.7m/ 650m
[08] 15.3m:16.7m/92.5m  32.5m:26.2m/95.5m  41.1m:30.7m/97.5m  51.2m:46.3m/ 350m
[09] 15.8m:16.2m/92.5m  30.1m:24.1m/96.5m  37.8m:28.8m/98.5m  45.2m:45.5m/ 550m
[10] 12.2m:16.0m/93.5m  26.1m:26.8m/95.5m  33.5m:32.1m/98.5m  41.2m:45.3m/ 350m
[11] 17.4m:17.9m/92.5m  32.3m:25.9m/95.5m  39.8m:30.5m/97.5m  47.9m:42.5m/ 250m
[12]  Skipped
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==========================================================================================

[iocost-tune 2.2.5 result] 2023-05-01 23:14:53 - 23:14:53

System info: kernel="5.18.0-rc6"
             nr_cpus=52 memory=13.6G swap=4.5G swappiness=60
             mem_profile=16 (avail=12.4G share=12.0G target=11.0G)

IO info: dev=nvme0n1(259:0) model="SKhynix Phoenix" firmware ="80005E00" size=477G
         iosched=none wbt=off iocost=on other=off
         iocost model: rbps=1301184436 rseqiops=72046 rrandiops=116693
                       wbps=195808171 wseqiops=12944 wrandiops=14937
         iocost QoS: rpct=95.00 rlat=51511 wpct=95.00 wlat=418382 min=70.65 max=70.65

Solutions
=========

[naive] vrate=75-100, rpct=99, wpct=99
  info: scale=100.0% MOF=1.347@16 aMOF=1.277 aMOF-delta=0.082 isol-05=95.79%
  rlat: 50-mean= 362u 50-99= 3.1m 50-100=15.1m 99-mean= 8.4m 99-99=35.5m 100-100= 430m
  wlat: 50-mean=21.2m 50-99=45.1m 50-100=90.5m 99-mean=48.9m 99-99=96.5m 100-100= 537m
  model: rbps=1301184436 rseqiops=72046 rrandiops=116693 wbps=195808171 wseqiops=12944 wrandiops=14937
  qos: rpct=99.00 rlat=8371 wpct=99.00 wlat=48857 min=75.00 max=100.00

[bandwidth] aMOF=max-vrate
  info: scale=100.0% MOF=1.347@16 aMOF=1.277 aMOF-delta=0.082 isol-05=95.79%
  rlat: 50-mean= 362u 50-99= 3.1m 50-100=15.1m 99-mean= 8.4m 99-99=35.5m 100-100= 430m
  wlat: 50-mean=21.2m 50-99=45.1m 50-100=90.5m 99-mean=48.9m 99-99=96.5m 100-100= 537m
  model: rbps=1301184436 rseqiops=72046 rrandiops=116693 wbps=195808171 wseqiops=12944 wrandiops=14937
  qos: rpct=0.00 rlat=8371 wpct=0.00 wlat=48857 min=100.00 max=100.00

[isolated-bandwidth] (aMOF=right-max).clamp(isolation, bandwidth)
[isolation         ] aMOF-delta=min
  info: scale=88.15% MOF=1.347@16 aMOF=1.326 aMOF-delta=0.036 isol-05=95.79%
  rlat: 50-mean= 362u 50-99= 3.1m 50-100=15.1m 99-mean= 8.4m 99-99=35.5m 100-100= 369m
  wlat: 50-mean=21.2m 50-99=45.1m 50-100=85.8m 99-mean=48.9m 99-99=96.5m 100-100= 454m
  model: rbps=1146994080 rseqiops=63509 rrandiops=102865 wbps=172604903 wseqiops=11410 wrandiops=13167
  qos: rpct=0.00 rlat=8371 wpct=0.00 wlat=48857 min=100.00 max=100.00

[rlat-99-q1] rlat-99=0.75-1
[rlat-99-q2] rlat-99=0.5-0.75
[rlat-99-q3] rlat-99=0.25-0.5
[rlat-99-q4] rlat-99=0-0.25
  NO SOLUTION

Remarks
=======

* Mean read latencies cannot be modulated with throttling.
* Mean write latencies cannot be modulated with throttling.
* bandwidth: Isolatable memory size is 6.07% < supportable, sizing may be difficult.
obbardc commented 3 months ago

Test comment?