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2026-05-15 - 17:19
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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 rack1slot1.osadl.org (updated Fri May 15, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131822214176,24sleep00-21swapper/007:05:270
134182200159,27sleep30-21swapper/307:08:323
132802199160,26sleep10-21swapper/107:06:441
132142198158,26sleep20-21swapper/207:05:542
1361899209,11cyclictest0-21swapper/009:35:110
1361899209,11cyclictest0-21swapper/009:35:100
85622190,0sleep10-21swapper/108:05:131
17082180,1sleep121-21ksoftirqd/109:45:131
122892180,1sleep312292-21unixbench-2d10:40:223
13631991612,2cyclictest240-21systemd-journal09:54:592
1363199160,15cyclictest18113-21apt-get10:50:102
1363199150,14cyclictest19288-21apt-get11:35:112
1363199150,14cyclictest16656-21aten_r1power_cu10:05:112
1363199150,14cyclictest0-21swapper/211:00:102
323482140,0sleep10-21swapper/107:45:181
1363199141,12cyclictest9574-21cat11:20:202
1363199141,12cyclictest31904-21/usr/sbin/munin12:35:132
1363199140,13cyclictest16989-21apt-get12:15:122
1363199140,12cyclictest12955-21apt-get08:15:122
1363199131,11cyclictest29328-21fschecks_time07:40:132
1363199131,11cyclictest29328-21fschecks_time07:40:122
1363199131,11cyclictest25273-21hwlatdetect12:25:142
1363199130,12cyclictest6698-21hddtemp_smartct08:00:142
1363199130,12cyclictest29708-21cstates11:05:122
1363199130,12cyclictest22289-21sed08:34:592
1363199130,12cyclictest11624-21ntp_states09:15:182
1363199130,12cyclictest0-21swapper/211:45:202
1363199130,12cyclictest0-21swapper/211:42:212
1363199130,12cyclictest0-21swapper/210:10:162
1363199130,12cyclictest0-21swapper/209:27:502
1363199130,11cyclictest27872-21wc09:35:202
1363199130,11cyclictest27872-21wc09:35:192
1363199130,0cyclictest0-21swapper/210:40:062
1363199121,10cyclictest16870-21apt-get07:15:132
1363199121,10cyclictest0-21swapper/208:50:012
1363199120,12cyclictest0-21swapper/211:58:292
1363199120,12cyclictest0-21swapper/211:26:122
1363199120,12cyclictest0-21swapper/211:10:122
1363199120,12cyclictest0-21swapper/210:20:382
1363199120,12cyclictest0-21swapper/209:11:552
1363199120,11cyclictest12721-21apt-config10:00:002
1363199120,11cyclictest0-21swapper/212:30:092
1363199120,11cyclictest0-21swapper/212:12:292
1363199120,11cyclictest0-21swapper/211:19:282
1363199120,11cyclictest0-21swapper/210:30:472
1363199120,11cyclictest0-21swapper/209:56:542
1363199120,11cyclictest0-21swapper/208:40:142
1363199120,0cyclictest0-21swapper/211:30:182
1363199120,0cyclictest0-21swapper/209:05:142
1363199111,10cyclictest0-21swapper/211:00:002
1363199110,9cyclictest10041-21/usr/sbin/munin12:05:152
1363199110,8cyclictest15575-21ntp_states10:45:172
1363199110,11cyclictest0-21swapper/212:00:142
1363199110,10cyclictest399-21cat10:25:162
1363199110,10cyclictest23527-21ntp_states09:30:172
1363199110,10cyclictest0-21swapper/211:50:252
1363199110,10cyclictest0-21swapper/210:17:592
1363199110,10cyclictest0-21swapper/209:46:292
1363199110,10cyclictest0-21swapper/209:42:062
1363199110,0cyclictest0-21swapper/212:20:292
1363199110,0cyclictest0-21swapper/209:23:082
1363199110,0cyclictest0-21swapper/208:50:122
1361899110,10cyclictest6276-21diskmemload10:20:110
1361899110,10cyclictest32177-1kworker/u9:009:50:010
1363799102,5cyclictest0-21swapper/312:28:493
1363199100,9cyclictest19246-21apt-get07:20:122
1363199100,7cyclictest0-21swapper/210:35:482
1363199100,10cyclictest0-21swapper/208:21:052
1361899103,6cyclictest30275-21perf11:50:000
1361899101,4cyclictest23758-21latency_hist07:30:000
4133290,0sleep30-21swapper/309:47:483
136379990,6cyclictest35-21ksoftirqd/309:15:143
136319997,1cyclictest28-21ksoftirqd/208:35:112
136319990,8cyclictest0-21swapper/208:55:182
136319990,0cyclictest0-21swapper/208:05:142
136189998,1cyclictest9-21ksoftirqd/010:10:130
136379988,0cyclictest693-21runrttasks10:04:113
136379983,1cyclictest29323-21apt-get11:05:113
136379981,5cyclictest6276-21diskmemload10:47:013
136379980,6cyclictest11812-21apt-get11:25:113
136379980,2cyclictest0-21swapper/311:10:103
136319984,3cyclictest61650irq/122-eno107:55:112
136319982,5cyclictest22129-21fschecks_count07:25:142
136319980,7cyclictest18852-21ntp_states08:25:182
136319980,6cyclictest240-21systemd-journal07:40:002
136319980,0cyclictest0-21swapper/207:48:142
136319980,0cyclictest0-21swapper/207:11:542
136279981,3cyclictest0-21swapper/111:35:201
136279980,3cyclictest0-21swapper/111:34:161
136189986,1cyclictest9-21ksoftirqd/008:58:530
136189982,5cyclictest774-21sed07:50:010
136189982,3cyclictest0-21swapper/008:10:090
136189981,6cyclictest20764-21ssh09:26:500
136189980,7cyclictest7608-21ssh12:01:020
136189980,7cyclictest24635-21cstates10:15:120
136189980,7cyclictest0-21swapper/011:40:160
136189980,6cyclictest30151-21/usr/sbin/munin09:40:130
136189980,6cyclictest0-21swapper/012:15:120
136189980,4cyclictest6276-21diskmemload12:35:150
136189980,2cyclictest0-21swapper/007:55:010
136189980,1cyclictest7433-21ssh09:51:340
136189980,1cyclictest32742-21ssh11:51:380
136189980,1cyclictest11374-21ssh11:24:370
9307270,0sleep10-21swapper/112:05:121
7214270,1sleep37211-21rt-features08:00:183
136379976,1cyclictest35-21ksoftirqd/307:51:543
136379976,1cyclictest1747-21ntpd08:16:253
136379976,1cyclictest0-21swapper/307:10:143
136379975,1cyclictest9009-21ssh09:12:143
136379975,1cyclictest6414-21ssh10:34:333
136379975,1cyclictest5177-21ssh09:50:033
136379975,1cyclictest23248-21cat09:30:153
136379975,1cyclictest20433-21ssh09:26:023
136379975,1cyclictest1747-21ntpd07:26:533
136379975,1cyclictest1169-21ssh11:54:033
136379971,5cyclictest18354-21grep10:05:203
136379971,4cyclictest6276-21diskmemload10:57:323
136379971,4cyclictest6276-21diskmemload10:10:043
136379971,3cyclictest6276-21diskmemload11:04:193
136379971,2cyclictest18269-21sensors_temp07:15:203
136379970,4cyclictest0-21swapper/312:13:413
136379970,4cyclictest0-21swapper/310:52:533
136379970,4cyclictest0-21swapper/309:20:053
136379970,2cyclictest9045-21aten2.4-expect09:55:123
136379970,2cyclictest17463-21apt08:24:593
136319971,5cyclictest10660-21sh08:10:092
136319970,6cyclictest1729-21grep07:50:142
136319970,5cyclictest24286-21cstates07:30:142
136319970,5cyclictest0-21swapper/209:00:002
136279970,7cyclictest0-21swapper/110:36:251
136279970,6cyclictest0-21swapper/109:51:041
136279970,4cyclictest0-21swapper/109:25:201
136279970,2cyclictest0-21swapper/111:13:081
136279970,2cyclictest0-21swapper/109:10:141
136279970,1cyclictest0-21swapper/107:50:151
136189976,1cyclictest23776-21sensors09:30:180
136189975,1cyclictest30288-21hddtemp_smartct08:50:140
136189975,1cyclictest22379-21ssh10:55:140
136189974,0cyclictest9-21ksoftirqd/007:34:570
136189973,2cyclictest240-21systemd-journal07:42:520
136189973,2cyclictest240-21systemd-journal07:42:520
136189973,1cyclictest19284-21/usr/sbin/munin11:35:120
136189971,6cyclictest19277-1kworker/u9:211:55:110
136189970,7cyclictest15106-21perf08:20:000
136189970,6cyclictest9575-21ssh09:13:410
136189970,6cyclictest579-21apt-get11:10:100
136189970,6cyclictest3936-21hddtemp_smartct10:30:140
136189970,6cyclictest32341-21sh11:08:550
136189970,6cyclictest27865-21ssh11:01:410
136189970,6cyclictest16386-21ssh10:45:580
136189970,6cyclictest14319-21which10:00:190
136189970,6cyclictest1179-21ssh10:25:220
136189970,6cyclictest11249-21ssh12:05:470
136189970,6cyclictest11000-21cstates10:40:140
136189970,6cyclictest10789-21ssh09:55:290
136189970,6cyclictest0-21swapper/012:27:110
136189970,6cyclictest0-21swapper/012:20:210
136189970,6cyclictest0-21swapper/011:25:140
136189970,6cyclictest0-21swapper/011:15:090
136189970,6cyclictest0-21swapper/010:05:130
136189970,1cyclictest9376-21ssh10:37:220
136189970,1cyclictest27636-21df_inode08:45:140
136189970,1cyclictest18947-21ssh11:34:530
136189970,1cyclictest14370-21ssh09:20:040
136189970,1cyclictest12968-21ssh09:17:150
136189970,1cyclictest0-21swapper/012:30:160
30009260,0sleep10-21swapper/110:20:481
27676260,4sleep327862-21sed07:35:203
136379965,1cyclictest30985-21ssh10:23:313
136379965,1cyclictest29845-21ntpq07:40:173
136379965,1cyclictest29845-21ntpq07:40:173
136379965,1cyclictest28978-21ssh09:37:373
136379965,1cyclictest28978-21ssh09:37:373
136379965,1cyclictest28625-21ssh11:45:313
136379965,1cyclictest19097-21ssh12:16:183
136379965,1cyclictest17765-21ssh11:31:313
136379965,1cyclictest1712-21ssh12:36:333
136379965,1cyclictest1007-21ssh09:44:323
136379965,0cyclictest6276-21diskmemload11:59:453
136379964,2cyclictest5047-21irqstats09:05:163
136379964,2cyclictest35-21ksoftirqd/310:15:583
136379964,1cyclictest35-21ksoftirqd/308:55:013
136379963,3cyclictest6276-21diskmemload12:01:193
136379963,1cyclictest3912-21munin-plugin-st09:05:003
136379963,1cyclictest240-21systemd-journal08:37:083
136379963,1cyclictest240-21systemd-journal07:55:083
136379962,3cyclictest6276-21diskmemload12:31:023
136379962,2cyclictest240-21systemd-journal08:10:233
136379962,1cyclictest31866-21aten_r1power_en10:25:113
136379961,2cyclictest6276-21diskmemload10:35:033
136379960,3cyclictest0-21swapper/311:36:363
136379960,2cyclictest0-21swapper/311:20:503
136379960,1cyclictest0-21swapper/312:05:113
136279962,3cyclictest0-21swapper/110:01:151
136279961,1cyclictest0-21swapper/108:25:121
136279960,6cyclictest0-21swapper/112:30:141
136279960,6cyclictest0-21swapper/111:20:241
136279960,6cyclictest0-21swapper/111:09:141
136279960,6cyclictest0-21swapper/110:55:201
136279960,6cyclictest0-21swapper/110:06:401
136279960,6cyclictest0-21swapper/109:33:481
136279960,5cyclictest0-21swapper/110:30:181
136279960,5cyclictest0-21swapper/108:55:171
136279960,3cyclictest0-21swapper/112:15:121
136279960,2cyclictest0-21swapper/112:28:541
136279960,1cyclictest0-21swapper/111:16:191
136279960,1cyclictest0-21swapper/107:20:151
136279960,0cyclictest0-21swapper/109:20:121
136189965,1cyclictest13551-21diskstats12:10:140
136189964,1cyclictest8017-21munin-plugin-st08:05:000
136189962,1cyclictest22398-21/usr/sbin/munin08:35:170
136189960,3cyclictest4384-21grep09:05:140
136189960,2cyclictest0-21swapper/009:00:120
136189960,0cyclictest0-21swapper/010:50:120
136189960,0cyclictest0-21swapper/008:25:440
136189960,0cyclictest0-21swapper/008:20:190
136189960,0cyclictest0-21swapper/007:35:150
136189960,0cyclictest0-21swapper/007:20:100
136189960,0cyclictest0-21swapper/007:15:160
136189960,0cyclictest0-21swapper/007:14:140
136379954,1cyclictest21934-21ssh12:20:203
136379953,1cyclictest31967-21/usr/sbin/munin08:55:113
136379953,1cyclictest23926-21if_eno111:40:153
136379953,1cyclictest10356-21cron08:10:003
136379951,3cyclictest0-21swapper/311:15:123
136379950,1cyclictest0-21swapper/308:30:113
136279955,0cyclictest0-21swapper/111:51:181
136279955,0cyclictest0-21swapper/108:46:301
136279955,0cyclictest0-21swapper/108:32:121
136279955,0cyclictest0-21swapper/107:35:131
136279953,1cyclictest14876-21chrt08:17:301
136279951,3cyclictest0-21swapper/107:40:101
136279951,3cyclictest0-21swapper/107:40:101
136279951,1cyclictest0-21swapper/111:40:461
136279951,1cyclictest0-21swapper/110:50:151
136279951,1cyclictest0-21swapper/109:57:291
136279951,1cyclictest0-21swapper/109:15:121
136279950,5cyclictest0-21swapper/111:57:121
136279950,5cyclictest0-21swapper/111:02:471
136279950,5cyclictest0-21swapper/109:40:131
136279950,5cyclictest0-21swapper/109:06:031
136279950,5cyclictest0-21swapper/108:43:421
136279950,5cyclictest0-21swapper/108:21:151
136279950,5cyclictest0-21swapper/108:10:061
136279950,5cyclictest0-21swapper/107:58:541
136279950,4cyclictest0-21swapper/111:45:161
136279950,4cyclictest0-21swapper/110:10:191
136279950,3cyclictest0-21swapper/112:10:031
136279950,3cyclictest0-21swapper/111:25:051
136279950,3cyclictest0-21swapper/107:15:131
136279950,2cyclictest0-21swapper/112:00:201
136279950,2cyclictest0-21swapper/110:45:181
136279950,2cyclictest0-21swapper/110:41:441
136279950,0cyclictest0-21swapper/112:20:301
136189953,1cyclictest8888-21grep08:05:140
136189951,1cyclictest240-21systemd-journal08:30:000
136189950,4cyclictest0-21swapper/007:50:120
136189950,0cyclictest0-21swapper/008:40:110
136379943,1cyclictest27145-21aten_r1power_cu08:45:123
136379943,1cyclictest24330-21expr07:30:143
136379942,1cyclictest18491-21grep08:25:153
136379940,4cyclictest0-21swapper/307:21:473
136379940,3cyclictest24872-21stty08:40:123
136379940,1cyclictest31036-21apt-get07:45:113
136279940,4cyclictest0-21swapper/108:04:251
136279940,3cyclictest0-21swapper/110:25:291
136279940,3cyclictest0-21swapper/110:16:411
136279940,3cyclictest0-21swapper/109:36:041
136279940,3cyclictest0-21swapper/109:36:041
136279940,2cyclictest0-21swapper/108:50:111
136279940,1cyclictest0-21swapper/112:39:481
136279940,1cyclictest0-21swapper/108:35:201
136279931,1cyclictest0-21swapper/107:30:121
136279930,2cyclictest0-21swapper/107:25:131
136279930,1cyclictest0-21swapper/109:00:121
136279930,0cyclictest0-21swapper/107:10:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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