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2025-11-24 - 17:21
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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 all highest latencies:
System rackeslot5.osadl.org (updated Mon Nov 24, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
608899320,32cyclictest0-21swapper/212:30:122
608899320,32cyclictest0-21swapper/207:25:132
6084993128,2cyclictest27083-21latency_hist11:20:011
609499300,29cyclictest13677-21cron08:35:013
6088993026,4cyclictest0-21swapper/207:10:132
608499300,29cyclictest27670-21awk09:05:001
6094992927,1cyclictest7249-21apt-get09:30:123
6088992928,0cyclictest20961-21apt-get08:50:092
608899290,28cyclictest27958-21apt-get09:05:142
608899290,28cyclictest0-21swapper/209:55:122
608499290,28cyclictest0-21swapper/109:55:131
608499290,1cyclictest18964-21cron12:10:001
6081992927,1cyclictest609-21dbus-daemon08:45:000
6081992927,1cyclictest22735-21chrt07:45:120
608199290,28cyclictest0-21swapper/012:00:110
608199290,28cyclictest0-21swapper/009:40:140
6094992827,1cyclictest9639-21apt-get11:50:133
609499280,28cyclictest0-21swapper/308:50:093
609499280,0cyclictest0-21swapper/307:15:133
6088992828,0cyclictest10461-21apt-get10:45:122
6088992828,0cyclictest0-21swapper/210:25:122
6088992827,1cyclictest28259-21perf10:15:012
6084992828,0cyclictest19559-21apt-get12:10:141
6084992827,1cyclictest615-21rs:main1
6084992826,1cyclictest11373-21perf08:30:001
608499280,0cyclictest16319-21apt-get08:40:141
608499280,0cyclictest0-21swapper/110:20:111
6081992827,1cyclictest6755-21perf11:45:000
6081992826,1cyclictest0-21swapper/010:25:000
608199280,1cyclictest0-21swapper/007:55:130
608199280,0cyclictest0-21swapper/012:30:130
6094992727,0cyclictest0-21swapper/307:35:123
6094992726,1cyclictest5200-21perf10:35:003
609499270,27cyclictest0-21swapper/307:50:033
609499270,0cyclictest0-21swapper/309:25:143
6088992727,0cyclictest9316-21apt-get08:25:132
6088992727,0cyclictest0-21swapper/209:25:142
6088992727,0cyclictest0-21swapper/208:45:132
6088992727,0cyclictest0-21swapper/208:35:132
6088992727,0cyclictest0-21swapper/207:30:122
6088992727,0cyclictest0-21swapper/207:15:122
608899270,0cyclictest26552-21apt-get12:25:132
6084992727,0cyclictest0-21swapper/111:05:131
6084992727,0cyclictest0-21swapper/110:55:121
6084992727,0cyclictest0-21swapper/107:15:121
6084992725,1cyclictest22-21ksoftirqd/109:40:001
608499270,27cyclictest0-21swapper/112:15:111
6081992727,0cyclictest9316-21apt-get08:25:120
6081992727,0cyclictest0-21swapper/011:55:130
608199270,0cyclictest0-21swapper/011:25:140
608199270,0cyclictest0-21swapper/011:10:140
6094992624,1cyclictest21813-21awk11:10:023
6088992626,0cyclictest0-21swapper/211:25:132
6088992626,0cyclictest0-21swapper/211:20:122
6088992626,0cyclictest0-21swapper/210:40:012
6088992621,4cyclictest22731-21apt-get07:45:122
6084992626,0cyclictest0-21swapper/108:15:011
6081992626,0cyclictest19201-21apt-get09:55:130
6081992626,0cyclictest0-21swapper/011:00:120
6094992525,0cyclictest2594-21apt-get09:20:133
6094992525,0cyclictest0-21swapper/309:35:143
6094992525,0cyclictest0-21swapper/309:05:133
6094992524,1cyclictest1984-21apt-get11:35:123
6088992525,0cyclictest0-21swapper/210:15:102
6084992525,0cyclictest0-21swapper/109:10:121
6084992525,0cyclictest0-21swapper/107:40:121
6081992525,0cyclictest0-21swapper/010:05:130
6081992525,0cyclictest0-21swapper/009:25:130
6081992523,1cyclictest0-21swapper/012:30:020
6094992424,0cyclictest0-21swapper/312:05:133
6094992423,1cyclictest6993-21apt-get08:20:143
6094992423,1cyclictest32019-21apt-get11:30:113
6088992424,0cyclictest0-21swapper/212:05:022
6088992424,0cyclictest0-21swapper/211:10:142
6084992424,0cyclictest0-21swapper/112:25:121
6084992424,0cyclictest0-21swapper/107:30:131
6084992422,1cyclictest0-21swapper/111:50:021
6081992424,0cyclictest0-21swapper/012:10:160
6094992323,0cyclictest16304-21perf09:50:003
6094992323,0cyclictest0-21swapper/310:10:153
6088992323,0cyclictest27683-21apt-get07:55:122
6084992323,0cyclictest0-21swapper/112:20:121
6084992323,0cyclictest0-21swapper/110:10:011
6084992323,0cyclictest0-21swapper/109:05:141
6084992322,1cyclictest30906-21cron12:35:021
6081992323,0cyclictest0-21swapper/009:50:130
6081992323,0cyclictest0-21swapper/007:20:120
6094992222,0cyclictest0-21swapper/312:15:113
6094992222,0cyclictest0-21swapper/311:40:023
6094992220,1cyclictest25366-21munin-run08:59:593
6088992222,0cyclictest0-21swapper/207:20:112
608899220,21cyclictest18619-21latency_hist09:55:002
6081992222,0cyclictest0-21swapper/011:15:130
6081992222,0cyclictest0-21swapper/010:40:020
6081992222,0cyclictest0-21swapper/007:35:120
6081992221,0cyclictest16932-21apt-get12:05:120
6081992220,1cyclictest27372-21apt-get11:20:130
6094992121,0cyclictest0-21swapper/308:25:123
6094992119,1cyclictest2319-21perf09:20:013
6088992121,0cyclictest0-21swapper/209:40:122
6088992119,1cyclictest4039-21cron11:40:002
6084992120,1cyclictest13307-21apt-get07:25:141
6081992121,0cyclictest13971-21apt-get08:35:120
6094992020,0cyclictest25634-21apt-get09:00:113
6094992020,0cyclictest11966-21apt-get11:55:143
6088992020,0cyclictest0-21swapper/211:05:132
6088992020,0cyclictest0-21swapper/210:20:112
6084992020,0cyclictest16572-21apt-get09:50:131
6084992020,0cyclictest0-21swapper/108:50:101
6081992020,0cyclictest19778-21apt-get11:05:130
6094991919,0cyclictest0-21swapper/310:55:113
6094991919,0cyclictest0-21swapper/310:50:113
608899190,0cyclictest0-21swapper/212:20:152
6084991919,0cyclictest0-21swapper/111:00:121
6084991919,0cyclictest0-21swapper/108:35:121
6094991818,0cyclictest0-21swapper/312:25:133
6094991818,0cyclictest0-21swapper/311:45:133
6094991816,1cyclictest7557-21munin-run10:40:003
6094991816,1cyclictest10201-21munin-run10:45:003
6088991818,0cyclictest9378-21perf11:50:022
608899180,0cyclictest24898-21unixbench_singl08:55:292
608899180,0cyclictest0-21swapper/209:15:132
6084991818,0cyclictest0-21swapper/111:45:011
6094991717,0cyclictest21548-21apt-get10:00:133
6094991717,0cyclictest0-21swapper/312:35:133
6088991717,0cyclictest0-21swapper/208:05:142
6088991717,0cyclictest0-21swapper/207:40:132
608499174,13cyclictest1708-21apache210:46:051
6084991717,0cyclictest0-21swapper/110:35:131
6081991715,1cyclictest20670-21cron08:50:010
6094991616,0cyclictest0-21swapper/312:20:123
6088991616,0cyclictest0-21swapper/208:30:122
608899160,15cyclictest0-21swapper/210:08:382
6084991616,0cyclictest0-21swapper/110:25:121
6084991615,0cyclictest0-21swapper/110:40:021
6084991614,1cyclictest24488-21latency_hist11:15:011
608499160,15cyclictest32589-21tune2fs11:30:141
608499160,15cyclictest28735-21ntp_states07:55:181
6081991616,0cyclictest0-21swapper/011:50:130
6081991615,1cyclictest20161-21snmpd08:55:250
6081991614,1cyclictest0-21swapper/009:20:130
6094991515,0cyclictest0-21swapper/307:45:133
609499150,1cyclictest25918-21perf10:10:003
609499150,1cyclictest0-21swapper/311:01:213
6088991515,0cyclictest17454-21apt-get11:00:132
6088991515,0cyclictest0-21swapper/212:00:112
6088991515,0cyclictest0-21swapper/208:40:142
6088991513,2cyclictest0-21swapper/210:53:522
6088991511,4cyclictest30284-21apt-get09:10:132
608899150,1cyclictest0-21swapper/211:15:212
608899150,14cyclictest0-21swapper/211:35:002
608899150,0cyclictest0-21swapper/209:32:562
6084991515,0cyclictest0-21swapper/109:15:121
6084991515,0cyclictest0-21swapper/107:10:121
608499150,1cyclictest0-21swapper/110:51:471
6081991513,1cyclictest26268-21sed09:00:130
608199150,1cyclictest32302-21ntp_states12:35:190
608199150,14cyclictest0-21swapper/010:25:160
6094991414,0cyclictest0-21swapper/311:20:293
6094991414,0cyclictest0-21swapper/311:15:023
6094991414,0cyclictest0-21swapper/308:05:133
609499140,14cyclictest0-21swapper/312:31:003
609499140,14cyclictest0-21swapper/312:11:123
609499140,14cyclictest0-21swapper/312:01:083
609499140,14cyclictest0-21swapper/311:11:253
609499140,14cyclictest0-21swapper/310:45:033
609499140,14cyclictest0-21swapper/310:20:283
609499140,14cyclictest0-21swapper/309:55:153
609499140,14cyclictest0-21swapper/308:45:463
609499140,14cyclictest0-21swapper/308:35:353
609499140,14cyclictest0-21swapper/308:15:163
609499140,14cyclictest0-21swapper/308:11:033
609499140,14cyclictest0-21swapper/307:56:343
609499140,14cyclictest0-21swapper/307:29:483
609499140,14cyclictest0-21swapper/307:22:133
609499140,14cyclictest0-21swapper/307:13:383
609499140,0cyclictest0-21swapper/311:26:013
609499140,0cyclictest0-21swapper/310:26:453
609499140,0cyclictest0-21swapper/310:16:073
609499140,0cyclictest0-21swapper/309:51:143
609499140,0cyclictest0-21swapper/309:43:523
609499140,0cyclictest0-21swapper/309:13:223
609499140,0cyclictest0-21swapper/308:01:073
609499140,0cyclictest0-21swapper/307:40:213
6088991414,0cyclictest0-21swapper/208:20:172
6088991413,1cyclictest29988-21taskset08:00:062
608899140,14cyclictest0-21swapper/212:15:052
608899140,14cyclictest0-21swapper/212:11:272
608899140,14cyclictest0-21swapper/211:55:142
608899140,14cyclictest0-21swapper/211:50:192
608899140,14cyclictest0-21swapper/211:41:422
608899140,14cyclictest0-21swapper/210:56:172
608899140,14cyclictest0-21swapper/209:47:402
608899140,14cyclictest0-21swapper/209:37:402
608899140,14cyclictest0-21swapper/209:21:222
608899140,14cyclictest0-21swapper/209:04:502
608899140,14cyclictest0-21swapper/208:14:402
608899140,14cyclictest0-21swapper/207:51:122
608899140,0cyclictest0-21swapper/212:35:072
608899140,0cyclictest0-21swapper/210:30:042
608899140,0cyclictest0-21swapper/210:00:142
6084991414,0cyclictest9465-21kworker/1:111:20:201
6084991414,0cyclictest14307-21apt-get12:00:101
6084991414,0cyclictest0-21swapper/111:35:511
6084991414,0cyclictest0-21swapper/109:40:391
6084991414,0cyclictest0-21swapper/109:21:021
6084991414,0cyclictest0-21swapper/108:55:141
6084991414,0cyclictest0-21swapper/108:20:271
6084991414,0cyclictest0-21swapper/107:45:141
6084991414,0cyclictest0-21swapper/107:20:111
608499140,14cyclictest0-21swapper/111:56:441
608499140,14cyclictest0-21swapper/111:25:151
608499140,14cyclictest0-21swapper/110:30:211
608499140,14cyclictest0-21swapper/110:10:041
608499140,14cyclictest0-21swapper/109:45:261
608499140,14cyclictest0-21swapper/109:33:101
608499140,14cyclictest0-21swapper/109:28:211
608499140,14cyclictest0-21swapper/108:31:251
608499140,14cyclictest0-21swapper/108:15:141
608499140,14cyclictest0-21swapper/107:50:201
608499140,14cyclictest0-21swapper/107:36:101
608499140,0cyclictest0-21swapper/112:35:101
608499140,0cyclictest0-21swapper/110:15:291
608499140,0cyclictest0-21swapper/108:46:471
608499140,0cyclictest0-21swapper/108:01:541
6081991414,0cyclictest0-21swapper/012:15:260
6081991414,0cyclictest0-21swapper/010:55:110
6081991414,0cyclictest0-21swapper/009:35:230
6081991414,0cyclictest0-21swapper/009:15:350
6081991414,0cyclictest0-21swapper/009:10:000
6081991414,0cyclictest0-21swapper/008:50:340
6081991414,0cyclictest0-21swapper/007:50:200
6081991414,0cyclictest0-21swapper/007:41:050
6081991414,0cyclictest0-21swapper/007:25:040
608199140,14cyclictest0-21swapper/012:20:320
608199140,14cyclictest0-21swapper/011:46:410
608199140,14cyclictest0-21swapper/011:32:020
608199140,14cyclictest0-21swapper/010:50:080
608199140,14cyclictest0-21swapper/010:45:440
608199140,14cyclictest0-21swapper/010:30:510
608199140,14cyclictest0-21swapper/010:13:140
608199140,14cyclictest0-21swapper/009:33:160
608199140,14cyclictest0-21swapper/009:06:530
608199140,14cyclictest0-21swapper/008:30:080
608199140,14cyclictest0-21swapper/008:15:560
608199140,14cyclictest0-21swapper/008:01:550
608199140,14cyclictest0-21swapper/007:30:570
608199140,14cyclictest0-21swapper/007:15:040
608199140,14cyclictest0-21swapper/007:11:440
608199140,0cyclictest0-21swapper/011:35:530
608199140,0cyclictest0-21swapper/010:35:110
608199140,0cyclictest0-21swapper/010:15:320
608199140,0cyclictest0-21swapper/010:01:180
608199140,0cyclictest0-21swapper/009:46:140
608199140,0cyclictest0-21swapper/008:20:570
608199140,0cyclictest0-21swapper/008:12:060
6088991313,0cyclictest0-21swapper/210:36:202
6088991313,0cyclictest0-21swapper/208:16:262
6088991313,0cyclictest0-21swapper/207:35:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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