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2024-04-27 - 12:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Sat Apr 27, 2024 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35660092271232,25sleep00-21swapper/019:07:410
35660072262199,48sleep10-21swapper/119:07:401
367737221610,6sleep03677369-21sshd22:39:490
363014921370,4sleep00-21swapper/021:30:220
1591991000,4rtkit-daemon1590-21rtkit-daemon21:24:350
159199670,4rtkit-daemon1590-21rtkit-daemon21:31:101
159199620,14rtkit-daemon0-21swapper/020:20:101
159199610,5rtkit-daemon3623335-21awk21:20:291
159199580,4rtkit-daemon1590-21rtkit-daemon21:25:150
356637399573,36cyclictest3745035-21apt-get00:20:160
356637399572,35cyclictest3736126-21apt-get00:05:110
159199560,3rtkit-daemon0-21swapper/123:02:431
159199550,4rtkit-daemon1590-21rtkit-daemon21:54:031
159199540,3rtkit-daemon1590-21rtkit-daemon21:36:511
37144012530,3sleep00-21swapper/023:32:370
36161642530,4sleep13616132-21unixbench_multi21:10:301
356637399530,36cyclictest3667625-21rm22:25:130
159199530,4rtkit-daemon1590-21rtkit-daemon22:46:001
159199530,4rtkit-daemon1590-21rtkit-daemon21:42:371
159199530,4rtkit-daemon1590-21rtkit-daemon19:30:211
36958792520,4sleep13695882-21switchtime23:05:261
356637399521,34cyclictest3670956-21apt-get22:30:130
356637399520,37cyclictest3636368-21apt-get21:40:120
356637399520,24cyclictest3733837-21ssh00:00:280
159199520,4rtkit-daemon1590-21rtkit-daemon21:45:461
159199520,4rtkit-daemon1590-21rtkit-daemon00:19:291
356637399512,33cyclictest3660273-21apt-get22:15:110
159199510,3rtkit-daemon1590-21rtkit-daemon22:16:571
159199510,21rtkit-daemon3566357-21cyclictest22:40:031
356637399509,22cyclictest3603677-21grep20:40:260
356637399507,22cyclictest3616095-21sed21:10:300
3566373995011,28cyclictest3711123-21sh23:28:000
3566373995011,27cyclictest3753966-21sh00:31:010
356637399500,29cyclictest3577082-21cat19:35:010
159199500,4rtkit-daemon1590-21rtkit-daemon23:20:031
159199500,4rtkit-daemon1590-21rtkit-daemon20:31:071
356637399491,31cyclictest3694768-21apt-get23:05:120
3566373994912,20cyclictest3693019-21sh23:01:230
3566373994911,25cyclictest3644563-21sh21:50:340
356637399490,35cyclictest3684616-21apt-get22:50:130
356637399490,33cyclictest3569397-21apt-get19:15:110
159199490,3rtkit-daemon1590-21rtkit-daemon21:26:411
159199490,3rtkit-daemon1590-21rtkit-daemon20:06:261
356637399481,31cyclictest3618470-21apt-get21:15:100
356637399481,31cyclictest3604601-21apt-get20:45:130
3566373994810,19cyclictest3610843-21acpi21:00:090
356637399480,31cyclictest3650080-21apt-get22:00:120
356637399480,25cyclictest3725911-21apt-get23:50:120
159199480,3rtkit-daemon1590-21rtkit-daemon22:11:081
356637399471,33cyclictest3566828-40apt-check19:10:050
3566373994710,18cyclictest3600919-21fschecks_count20:35:180
356637399470,31cyclictest3590906-21apt-get20:10:100
356637399469,21cyclictest0-21swapper/022:47:450
356637399461,31cyclictest3715558-21apt-get23:35:110
356637399461,27cyclictest3665682-21ssh22:21:500
356637399460,35cyclictest3600497-21perf20:34:590
356637399460,34cyclictest3584246-21sed19:50:260
356637399460,32cyclictest3634623-21sh21:36:310
356637399460,31cyclictest3739377-21apt-get00:10:120
356637399460,29cyclictest3639874-21apt-get21:45:130
356637399460,29cyclictest3573321-21apt-get19:25:110
356637399460,28cyclictest3578276-21sed19:35:230
356637399460,25cyclictest3688454-21cat22:55:210
159199460,3rtkit-daemon1590-21rtkit-daemon21:04:441
159199460,17rtkit-daemon0-21swapper/000:13:181
159199460,12rtkit-daemon0-21swapper/019:27:121
36193882450,2sleep13619389-21sh21:15:371
356637399451,32cyclictest3612798-21/usr/sbin/munin21:05:170
356637399451,27cyclictest3606714-21expr20:50:140
356637399450,32cyclictest3571686-21perl19:20:150
356637399450,30cyclictest3646551-21apt-get21:55:110
356637399450,28cyclictest3595865-21sed20:20:240
159199450,18rtkit-daemon1590-21rtkit-daemon20:51:241
159199450,15rtkit-daemon3653751-21df22:05:171
356637599442,14cyclictest3566828-40apt-check19:10:171
356637399448,24cyclictest0-21swapper/022:43:030
356637399441,25cyclictest3706659-21seq23:21:290
356637399440,31cyclictest3702048-21/usr/sbin/munin23:15:200
356637399440,28cyclictest3755847-21apt-get00:35:110
356637399440,28cyclictest3748822-21apt-get00:25:190
356637399440,28cyclictest3658021-21sed22:10:260
356637399440,28cyclictest3593481-21sed20:15:210
356637399440,24cyclictest3698819-21sed23:10:230
159199440,13rtkit-daemon0-21swapper/023:46:351
356637399435,21cyclictest3729743-21hwlatdetect23:55:190
356637399430,28cyclictest3722435-21apt-get23:45:100
356637399430,27cyclictest3587508-21cat20:00:170
159199430,17rtkit-daemon0-21swapper/020:47:501
356637399421,29cyclictest3597098-21perl20:25:190
356637399421,24cyclictest3590111-21sed20:05:240
356637399420,31cyclictest3721132-21ssh23:42:250
356637399420,30cyclictest3654778-21unixbench-2d22:05:300
356637399420,24cyclictest3743342-21awk00:15:250
356637599413,10cyclictest3587009-21apt-get20:00:101
356637399410,25cyclictest3579754-21expr19:40:210
356637399410,24cyclictest3609088-21sed20:55:210
356637399410,23cyclictest3586138-21sed19:55:290
159199410,13rtkit-daemon0-21swapper/000:23:461
356637399400,22cyclictest3581120-21/usr/sbin/munin19:45:150
356637599392,8cyclictest3577222-21apt-get19:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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