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2026-08-03 - 16:00
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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
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Mon Aug 03, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131230021170,2sleep01312298-21grep08:25:000
165159321160,2sleep20-21swapper/212:20:492
143135421010,2sleep20-21swapper/209:50:512
16695742790,1sleep01669572-21ssh12:31:290
15333922440,0sleep11533397-21grep11:00:521
12334902330,1sleep00-21swapper/007:20:280
1218809993128,2cyclictest1-21systemd12:15:020
15793062290,1sleep11579301-21ssh11:30:501
1218811992320,1cyclictest0-21swapper/210:20:002
1218810992320,2cyclictest664-21dbus-daemon12:25:011
1218809992313,5cyclictest0-21swapper/010:15:010
1218811992219,1cyclictest0-21swapper/207:20:012
1218811992210,7cyclictest0-21swapper/209:20:012
1218809992118,2cyclictest1456108-21systemd-run10:10:010
1218811992018,1cyclictest0-21swapper/210:50:032
1218811992017,1cyclictest0-21swapper/207:35:012
1218810992017,2cyclictest688-21in:imuxsock10:55:021
1218810992017,2cyclictest1589022-21apt-key11:40:011
1218810992017,2cyclictest1257671-21apt-config07:40:011
1218810992017,2cyclictest1225365-21kthreadcore07:15:021
1218809992018,1cyclictest1433768-21apt-config09:55:010
1218809992017,2cyclictest664-21dbus-daemon10:45:020
1218809992016,2cyclictest1544846-21munin-run11:10:030
1218811991917,1cyclictest0-21swapper/209:00:012
1218811991916,1cyclictest0-21swapper/212:28:592
1218811991916,1cyclictest0-21swapper/209:45:482
1218811991916,1cyclictest0-21swapper/208:40:002
1218811991910,2cyclictest0-21swapper/209:32:042
1218810991916,2cyclictest664-21dbus-daemon10:45:021
1218810991916,2cyclictest1596645-21/usr/sbin/munin11:45:011
1218810991916,2cyclictest1307-21mta-sts-daemon12:40:001
1218810991916,2cyclictest1276585-21cpuspeed_turbos07:55:471
1218809991916,2cyclictest1678133-21latency_hist12:40:010
1218809991916,2cyclictest1245283-21sh07:30:010
3240591181,2phc2sys0-21swapper/309:47:523
1218811991816,1cyclictest0-21swapper/207:15:022
1218811991815,1cyclictest0-21swapper/211:56:452
1218811991815,1cyclictest0-21swapper/211:15:012
1218811991815,1cyclictest0-21swapper/210:40:542
1218811991815,1cyclictest0-21swapper/208:35:002
1218811991815,1cyclictest0-21swapper/207:30:012
1218810991815,2cyclictest1448940-21systemd10:05:021
1218810991815,2cyclictest1425583-21runrttasks09:48:051
1218810991813,4cyclictest70-21kcompactd012:05:021
1218810991813,4cyclictest70-21kcompactd012:05:021
121880999187,6cyclictest0-21swapper/010:30:420
121880999182,5cyclictest491rcuog/209:49:040
1218809991815,2cyclictest1324467-21munin-plugin-st08:35:010
1218809991811,6cyclictest0-21swapper/011:15:020
3240591171,4phc2sys0-21swapper/311:25:283
3240591170,3phc2sys0-21swapper/312:08:083
3240591170,2phc2sys0-21swapper/309:54:293
3240591170,2phc2sys0-21swapper/309:27:403
3240591170,2phc2sys0-21swapper/309:27:403
3240591170,2phc2sys0-21swapper/307:35:023
121881199171,6cyclictest0-21swapper/209:25:272
121881199171,6cyclictest0-21swapper/209:25:272
1218811991715,1cyclictest0-21swapper/211:50:022
1218811991715,1cyclictest0-21swapper/210:00:022
1218811991715,1cyclictest0-21swapper/209:43:432
1218811991715,1cyclictest0-21swapper/209:43:432
1218811991715,1cyclictest0-21swapper/209:25:022
1218811991714,1cyclictest0-21swapper/212:05:542
1218811991714,1cyclictest0-21swapper/212:00:472
1218811991714,1cyclictest0-21swapper/212:00:472
1218811991714,1cyclictest0-21swapper/211:35:012
1218811991714,1cyclictest0-21swapper/211:20:552
1218811991714,1cyclictest0-21swapper/211:04:142
1218811991714,1cyclictest0-21swapper/209:35:452
1218811991714,1cyclictest0-21swapper/207:50:012
121881099176,3cyclictest1469314-21timerwakeupswit10:15:561
1218810991714,2cyclictest1557372-21phc2sys11:15:531
1218810991714,2cyclictest1361087-21turbostat09:05:011
1218810991714,2cyclictest1218807-21cyclictest07:30:531
1218810991714,2cyclictest0-21swapper/111:55:021
1218810991713,3cyclictest1560274-21cstates11:20:441
1218810991713,3cyclictest1324460-21wc08:35:001
1218810991712,2cyclictest1307-21mta-sts-daemon10:49:521
1218810991711,2cyclictest1-21systemd09:30:011
1218810991711,2cyclictest1-21systemd09:30:011
121881099171,10cyclictest664-21dbus-daemon08:05:021
121880999178,7cyclictest1231507-21tr07:15:520
121880999178,5cyclictest0-21swapper/009:20:440
121880999174,8cyclictest171ktimers/010:35:540
1218809991715,1cyclictest1633847-21/usr/sbin/munin12:10:010
1218809991714,2cyclictest1590839-21tr11:40:490
1218809991714,2cyclictest1251430-21systemd07:35:010
1218809991714,2cyclictest0-21swapper/012:20:030
1218809991710,6cyclictest0-21swapper/009:25:470
1218809991710,6cyclictest0-21swapper/009:25:470
3240591160,5phc2sys0-21swapper/307:10:273
3240591160,2phc2sys0-21swapper/312:25:203
3240591160,2phc2sys0-21swapper/308:23:173
121881199161,9cyclictest0-21swapper/207:55:302
1218811991614,1cyclictest0-21swapper/208:14:462
1218811991614,1cyclictest0-21swapper/208:05:022
1218811991613,1cyclictest0-21swapper/212:35:512
1218811991613,1cyclictest0-21swapper/212:30:472
1218811991613,1cyclictest0-21swapper/211:35:502
1218811991613,1cyclictest0-21swapper/208:15:282
121881099168,3cyclictest0-21swapper/112:15:481
1218810991613,2cyclictest664-21dbus-daemon12:35:011
1218810991613,2cyclictest1340108-21kthreadcore08:45:521
1218810991613,2cyclictest1306-21mta-sts-daemon12:13:501
1218810991613,2cyclictest1300-21mta-sts-daemon09:37:441
1218810991613,2cyclictest0-21swapper/111:50:021
1218810991612,3cyclictest1478263-21kworker/u16:3+nfsiod11:05:241
1218810991612,3cyclictest1307-21mta-sts-daemon07:40:461
1218810991612,3cyclictest1300-21mta-sts-daemon07:25:561
1218810991611,4cyclictest1333684-21kthreadcore08:40:501
121881099160,3cyclictest0-21swapper/108:14:131
121880999169,6cyclictest241rcuc/009:55:550
121880999169,6cyclictest0-21swapper/010:50:350
121880999167,4cyclictest0-21swapper/010:45:260
121880999166,5cyclictest0-21swapper/010:18:380
121880999165,5cyclictest268-21systemd-journal12:05:010
121880999165,5cyclictest268-21systemd-journal12:05:010
121880999162,4cyclictest1381880-21ssh09:20:010
1218809991614,1cyclictest715-21wpa_supplicant12:16:040
1218809991614,1cyclictest1291215-21sed08:05:500
1218809991613,2cyclictest1657314-21gltestperf12:25:470
1218809991613,2cyclictest1619082-21systemd12:00:030
1218809991613,2cyclictest1602191-21mailstats11:45:550
1218809991613,2cyclictest1309-21mta-sts-daemon10:02:040
1218809991613,2cyclictest0-21swapper/011:52:300
1218809991610,5cyclictest1331201-21cpuspeed_turbos08:40:450
1218809991610,2cyclictest1484073-21timerwakeupswit10:25:550
121880999160,9cyclictest1349028-21/usr/sbin/munin08:55:510
121880999160,3cyclictest1529060-21ssh10:57:420
1157598160,7rtkit-daemon1306-21mta-sts-daemon09:10:561
3240591150,4phc2sys0-21swapper/311:59:063
3240591150,3phc2sys0-21swapper/310:27:523
3240591150,3phc2sys0-21swapper/309:24:003
3240591150,3phc2sys0-21swapper/308:40:283
3240591150,2phc2sys0-21swapper/308:26:003
3240591150,2phc2sys0-21swapper/308:00:293
3240591150,1phc2sys0-21swapper/310:50:173
121881199157,5cyclictest1589941-21chrt11:40:452
121881199154,3cyclictest0-21swapper/210:05:152
1218811991513,1cyclictest0-21swapper/210:55:472
1218811991513,1cyclictest0-21swapper/210:00:272
1218811991513,1cyclictest0-21swapper/209:00:162
1218811991513,1cyclictest0-21swapper/208:41:522
1218811991512,1cyclictest0-21swapper/212:15:512
1218811991512,1cyclictest0-21swapper/212:13:552
1218811991512,1cyclictest0-21swapper/211:25:472
1218811991512,1cyclictest0-21swapper/211:18:282
1218811991512,1cyclictest0-21swapper/210:34:502
1218811991512,1cyclictest0-21swapper/210:25:502
1218811991512,1cyclictest0-21swapper/210:12:332
1218811991512,1cyclictest0-21swapper/209:10:512
1218811991512,1cyclictest0-21swapper/208:50:462
121881099157,3cyclictest0-21swapper/110:13:131
121881099154,5cyclictest1378852-21kthreadcore09:15:501
121881099151,4cyclictest1382477-21sh09:20:301
1218810991512,2cyclictest1661563-21systemctl12:25:541
1218810991512,2cyclictest1426947-21aten_repower_vo09:50:411
1218810991512,2cyclictest1218807-21cyclictest07:50:281
1218810991511,3cyclictest1613261-21kthreadcore11:55:491
1218810991511,3cyclictest1308071-21kthreadcore08:20:491
1218810991510,2cyclictest1306-21mta-sts-daemon10:34:131
121880999154,6cyclictest0-21swapper/010:20:520
121880999154,3cyclictest1362934-21kthreadcore09:05:510
1218809991513,1cyclictest1218807-21cyclictest08:30:020
1218809991512,2cyclictest1582136-21aten2.4-expect11:35:380
1218809991512,2cyclictest1559315-21sh11:19:550
1218809991512,2cyclictest1405624-21irqcore09:35:490
1218809991512,2cyclictest1342716-21sh08:50:010
1218809991512,2cyclictest1306-21mta-sts-daemon11:05:010
1218809991512,2cyclictest1273860-21kthreadcore07:50:520
1218809991512,2cyclictest1218807-21cyclictest07:45:490
1218809991512,2cyclictest0-21swapper/011:30:020
1218809991512,2cyclictest0-21swapper/007:15:010
3240591140,2phc2sys0-21swapper/312:32:283
3240591140,2phc2sys0-21swapper/311:09:093
3240591140,2phc2sys0-21swapper/311:01:493
3240591140,2phc2sys0-21swapper/310:15:213
3240591140,2phc2sys0-21swapper/309:34:253
3240591140,2phc2sys0-21swapper/307:05:213
121881199145,6cyclictest0-21swapper/207:40:012
1218811991412,1cyclictest0-21swapper/211:50:142
1218811991412,1cyclictest0-21swapper/210:50:492
1218811991412,1cyclictest0-21swapper/208:45:432
1218811991412,1cyclictest0-21swapper/208:25:062
1218811991412,1cyclictest0-21swapper/208:05:252
1218811991411,1cyclictest0-21swapper/211:05:512
1218811991411,1cyclictest0-21swapper/210:35:492
1218811991411,1cyclictest0-21swapper/210:20:222
1218811991411,1cyclictest0-21swapper/207:50:512
1218811991411,1cyclictest0-21swapper/207:40:462
1218811991411,1cyclictest0-21swapper/207:20:542
121881099149,3cyclictest1411678-21kworker/u16:2-events_unbound10:20:321
121881099148,5cyclictest676-21mta-sts-daemon08:37:501
121881099143,6cyclictest1626816-21diskmemload12:05:131
1218810991412,1cyclictest1300-21mta-sts-daemon08:57:511
1218810991411,2cyclictest1545434-21cpuspeed_turbos11:10:451
1218810991411,2cyclictest1496467-21kthreadcore10:35:531
1218810991411,2cyclictest1345882-21kthreadcore08:50:501
1218810991411,2cyclictest1309-21mta-sts-daemon10:55:221
1218810991411,2cyclictest1309-21mta-sts-daemon09:33:041
1218810991411,2cyclictest1307-21mta-sts-daemon09:40:241
1218810991411,2cyclictest1307-21mta-sts-daemon09:40:241
1218810991411,2cyclictest1306349-21latency_hist08:20:021
1218810991411,2cyclictest1306-21mta-sts-daemon09:57:161
1218810991411,2cyclictest1300-21mta-sts-daemon07:15:041
1218810991411,2cyclictest1266955-21kthreadcore07:45:511
1218810991411,2cyclictest1236528-21kthreadcore07:20:511
121880999145,5cyclictest0-21swapper/009:02:550
121880999145,5cyclictest0-21swapper/007:42:040
1218809991412,1cyclictest0-21swapper/008:35:260
1218809991411,2cyclictest1413285-21irqrtprio09:40:480
1218809991411,2cyclictest1413285-21irqrtprio09:40:480
1218809991411,2cyclictest1399171-21kthreadcore09:30:500
1218809991411,2cyclictest1309-21mta-sts-daemon11:22:580
1218809991411,2cyclictest1298816-21kthreadcore08:10:500
1218809991411,2cyclictest1285944-21kthreadcore08:00:520
1218809991411,2cyclictest1254167-21kthreadcore07:35:500
1218809991410,3cyclictest1279683-21kthreadcore07:55:530
3240591131,5phc2sys0-21swapper/310:55:293
3240591131,4phc2sys0-21swapper/311:45:283
3240591130,2phc2sys0-21swapper/311:23:243
3240591130,2phc2sys0-21swapper/310:40:453
121881199131,7cyclictest0-21swapper/208:20:272
1218811991311,1cyclictest0-21swapper/209:05:462
121881099137,2cyclictest69250irq/121-eno108:25:101
1218810991310,2cyclictest662-21avahi-daemon07:10:011
1218810991310,2cyclictest1568609-21kernelversion11:25:491
1218810991310,2cyclictest1483216-21kthreadcore10:25:501
1218810991310,2cyclictest1362757-21kthreadcore09:05:511
1218810991310,2cyclictest1309-21mta-sts-daemon10:05:031
1218810991310,2cyclictest1288436-21aten_repower_cu08:05:281
121880999131,7cyclictest1367596-21/usr/sbin/munin09:10:490
1218809991310,2cyclictest759-1atopacctd07:10:010
1218809991310,2cyclictest1577598-21kthreadcore11:30:490
1218809991310,2cyclictest1307-21mta-sts-daemon08:50:050
1218809991310,2cyclictest1305772-21unixbench-2d08:15:560
3240591126,2phc2sys0-21swapper/309:00:503
3240591120,3phc2sys0-21swapper/310:00:273
3240591120,2phc2sys0-21swapper/311:31:443
3240591120,2phc2sys0-21swapper/311:14:263
3240591120,2phc2sys0-21swapper/308:14:113
3240591120,1phc2sys0-21swapper/312:36:423
3240591120,1phc2sys0-21swapper/309:14:563
3240591120,1phc2sys0-21swapper/307:27:303
3240591112,2phc2sys0-21swapper/312:21:593
3240591111,2phc2sys0-21swapper/309:05:523
3240591110,2phc2sys0-21swapper/310:35:313
3240591110,2phc2sys0-21swapper/310:31:383
3240591110,2phc2sys0-21swapper/309:59:143
3240591110,2phc2sys0-21swapper/307:15:283
3240591110,1phc2sys0-21swapper/310:14:583
3240591110,1phc2sys0-21swapper/308:49:373
3240591110,1phc2sys0-21swapper/308:16:273
3240591110,1phc2sys0-21swapper/307:49:273
3240591102,2phc2sys0-21swapper/311:35:383
3240591101,3phc2sys0-21swapper/309:16:303
3240591101,2phc2sys0-21swapper/312:15:463
3240591101,2phc2sys0-21swapper/311:52:383
3240591101,2phc2sys0-21swapper/310:05:283
3240591101,2phc2sys0-21swapper/308:55:503
3240591101,2phc2sys0-21swapper/307:45:023
3240591100,3phc2sys0-21swapper/312:10:453
3240591100,3phc2sys0-21swapper/310:45:273
3240591100,2phc2sys0-21swapper/311:40:073
3240591100,2phc2sys0-21swapper/311:15:543
3240591100,2phc2sys0-21swapper/310:21:313
3240591100,2phc2sys0-21swapper/309:40:073
3240591100,2phc2sys0-21swapper/309:40:073
3240591100,2phc2sys0-21swapper/309:35:503
3240591100,2phc2sys0-21swapper/308:30:583
3240591100,1phc2sys0-21swapper/307:24:523
121881199101,6cyclictest0-21swapper/207:10:012
324059190,2phc2sys0-21swapper/312:00:313
324059190,2phc2sys0-21swapper/312:00:313
324059190,2phc2sys0-21swapper/308:55:023
324059190,2phc2sys0-21swapper/308:35:473
324059190,2phc2sys0-21swapper/307:50:473
324059190,1phc2sys0-21swapper/308:05:533
324059190,1phc2sys0-21swapper/307:35:523
324059181,2phc2sys0-21swapper/307:55:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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