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2025-11-17 - 14:18
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Mon Nov 17, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105462216149,21sleep00-21swapper/007:05:360
107732213179,22sleep10-21swapper/107:08:341
106262209132,25sleep30-21swapper/307:06:393
108112198158,27sleep20-21swapper/207:09:052
213792730,0sleep10-21swapper/109:30:391
112732160,0sleep10-21swapper/109:18:511
10980991513,1cyclictest9-21ksoftirqd/011:50:000
10997991414,0cyclictest28-21ksoftirqd/212:19:092
10997991413,1cyclictest28-21ksoftirqd/210:26:002
10997991313,0cyclictest28-21ksoftirqd/210:03:302
10997991312,1cyclictest28-21ksoftirqd/209:20:002
10997991311,1cyclictest28-21ksoftirqd/211:07:352
1098099130,12cyclictest0-21swapper/011:40:200
11010991211,1cyclictest4287-21diskmemload12:27:273
10997991211,1cyclictest28-21ksoftirqd/212:00:012
10997991211,1cyclictest28-21ksoftirqd/210:35:222
10997991211,1cyclictest28-21ksoftirqd/209:50:222
10997991210,1cyclictest28-21ksoftirqd/210:55:482
10997991210,1cyclictest28-21ksoftirqd/210:50:242
1098999120,11cyclictest0-21swapper/108:35:221
10980991211,1cyclictest9-21ksoftirqd/010:24:330
10980991210,1cyclictest9-21ksoftirqd/012:05:000
10980991210,1cyclictest9-21ksoftirqd/008:20:010
10980991210,1cyclictest9-21ksoftirqd/007:40:010
11010991110,1cyclictest35-21ksoftirqd/307:20:003
1099799119,1cyclictest28-21ksoftirqd/212:10:172
1099799119,1cyclictest28-21ksoftirqd/211:55:142
1099799119,1cyclictest28-21ksoftirqd/210:15:292
1099799119,1cyclictest28-21ksoftirqd/209:42:192
1099799119,1cyclictest28-21ksoftirqd/209:20:192
1099799119,1cyclictest28-21ksoftirqd/208:50:162
1099799119,1cyclictest28-21ksoftirqd/207:55:002
1099799118,1cyclictest28-21ksoftirqd/209:56:022
10997991111,0cyclictest28-21ksoftirqd/210:06:462
10997991110,1cyclictest28-21ksoftirqd/212:27:382
10997991110,1cyclictest28-21ksoftirqd/211:50:002
10997991110,1cyclictest28-21ksoftirqd/211:25:222
10997991110,1cyclictest28-21ksoftirqd/211:20:172
10997991110,1cyclictest28-21ksoftirqd/211:19:402
10997991110,1cyclictest28-21ksoftirqd/211:05:002
10997991110,1cyclictest28-21ksoftirqd/210:14:592
10997991110,1cyclictest28-21ksoftirqd/209:45:202
10997991110,1cyclictest28-21ksoftirqd/209:31:542
10997991110,1cyclictest28-21ksoftirqd/209:13:092
1099799110,11cyclictest60950irq/123-eno111:44:182
1098099112,4cyclictest15435-21sort12:25:000
1098099110,5cyclictest23683-21perf07:35:000
1101099100,7cyclictest13329-21munin-node12:22:193
1099799109,1cyclictest28-21ksoftirqd/212:38:022
1099799109,1cyclictest28-21ksoftirqd/212:24:372
1099799109,1cyclictest28-21ksoftirqd/212:06:502
1099799109,1cyclictest28-21ksoftirqd/211:30:192
1099799109,1cyclictest28-21ksoftirqd/211:12:052
1099799109,1cyclictest28-21ksoftirqd/210:45:222
1099799109,1cyclictest28-21ksoftirqd/210:40:492
1099799109,1cyclictest28-21ksoftirqd/208:35:162
1099799109,1cyclictest28-21ksoftirqd/207:10:132
1099799108,1cyclictest28-21ksoftirqd/209:25:142
1099799108,1cyclictest28-21ksoftirqd/207:55:172
10997991010,0cyclictest2850ksoftirqd/211:50:152
10997991010,0cyclictest28-21ksoftirqd/209:36:332
1099799100,9cyclictest28-21ksoftirqd/212:30:232
1099799100,6cyclictest28-21ksoftirqd/211:35:182
110109991,7cyclictest4287-21diskmemload11:26:513
109979998,1cyclictest28-21ksoftirqd/210:33:042
109979998,1cyclictest28-21ksoftirqd/210:22:002
109979998,1cyclictest28-21ksoftirqd/208:10:212
109979998,1cyclictest28-21ksoftirqd/208:00:152
109979997,1cyclictest271rcuc/207:15:142
109979990,3cyclictest254-21systemd-journal08:45:012
109979990,3cyclictest254-21systemd-journal08:45:002
109979990,1cyclictest0-21swapper/209:05:212
109899990,5cyclictest0-21swapper/111:40:131
109809999,0cyclictest9-21ksoftirqd/010:51:560
109809993,5cyclictest16175-21/usr/sbin/munin10:10:260
109809990,5cyclictest0-21swapper/008:50:120
110109987,1cyclictest35-21ksoftirqd/308:19:443
110109986,1cyclictest19110-21snmpd11:38:043
110109986,1cyclictest19110-21snmpd09:56:283
110109986,1cyclictest19110-21snmpd07:25:013
110109980,7cyclictest19110-21snmpd09:18:503
110109980,3cyclictest0-21swapper/309:10:133
109979988,0cyclictest22922-21sensors07:30:212
109979987,1cyclictest28-21ksoftirqd/208:25:002
109979986,1cyclictest28-21ksoftirqd/207:25:132
109899980,7cyclictest0-21swapper/109:28:291
109899980,4cyclictest0-21swapper/111:25:131
109809986,1cyclictest3302-21ssh12:05:250
109809985,2cyclictest554-21in:imuxsock12:19:590
109809984,3cyclictest9-21ksoftirqd/010:01:090
109809983,4cyclictest4287-21diskmemload11:27:140
109809981,6cyclictest19495-1kworker/u9:111:05:190
109809981,4cyclictest16293-21apt-get10:55:140
109809980,7cyclictest7274-21ssh09:13:200
109809980,7cyclictest32691-21ssh10:31:040
109809980,7cyclictest14812-21ssh11:37:190
109809980,7cyclictest10658-21ssh09:17:120
109809980,4cyclictest1969-21date09:04:590
109809980,1cyclictest28711-21ssh10:25:230
13910270,0sleep10-21swapper/109:20:391
110109976,1cyclictest19110-21snmpd11:46:143
110109976,1cyclictest19110-21snmpd09:06:223
110109976,1cyclictest19110-21snmpd08:36:513
110109976,1cyclictest19110-21snmpd07:56:443
110109975,1cyclictest19110-21snmpd10:23:093
110109975,1cyclictest19110-21snmpd09:41:463
110109975,1cyclictest15103-21ssh10:52:213
110109975,1cyclictest12568-21ssh10:05:013
110109975,0cyclictest4287-21diskmemload11:20:383
110109972,4cyclictest13783-21users07:15:013
110109970,6cyclictest4287-21diskmemload11:50:093
110109970,6cyclictest115422sleep310:47:233
110109970,4cyclictest0-21swapper/312:15:153
110109970,4cyclictest0-21swapper/311:10:113
110109970,3cyclictest0-21swapper/309:20:153
110109970,2cyclictest0-21swapper/307:40:143
110109970,2cyclictest0-21swapper/307:40:143
110109970,1cyclictest4287-21diskmemload10:11:273
110109970,1cyclictest0-21swapper/310:27:023
109979977,0cyclictest0-21swapper/208:56:502
109979976,1cyclictest28-21ksoftirqd/207:40:172
109979976,1cyclictest28-21ksoftirqd/207:40:162
109979976,1cyclictest28-21ksoftirqd/207:20:182
109979976,1cyclictest19110-21snmpd09:03:402
109979976,0cyclictest25144-21apt-get08:45:132
109979975,1cyclictest28-21ksoftirqd/208:35:012
109979974,1cyclictest28-21ksoftirqd/207:45:002
109899973,0cyclictest0-21swapper/108:02:451
109899970,6cyclictest0-21swapper/111:24:441
109899970,4cyclictest0-21swapper/109:45:221
109899970,3cyclictest0-21swapper/112:21:041
109899970,3cyclictest0-21swapper/107:25:011
109899970,1cyclictest0-21swapper/107:10:171
109809976,1cyclictest4154-21ssh11:22:280
109809976,1cyclictest27149-21cat07:40:180
109809976,1cyclictest27149-21cat07:40:180
109809976,1cyclictest0-21swapper/009:31:500
109809976,1cyclictest0-21swapper/008:10:120
109809975,1cyclictest19110-21snmpd12:30:000
109809975,1cyclictest1449-21ntpd12:36:230
109809974,1cyclictest254-21systemd-journal08:10:000
109809971,6cyclictest4068-21ssh10:36:480
109809971,5cyclictest4287-21diskmemload10:40:120
109809971,5cyclictest15647-21/usr/sbin/munin12:25:160
109809971,3cyclictest4287-21diskmemload11:15:140
109809970,6cyclictest31229-21ssh09:45:150
109809970,6cyclictest23353-21head09:35:140
109809970,6cyclictest14637-21ssh10:06:050
109809970,6cyclictest12113-21ssh10:49:090
109809970,6cyclictest0-21swapper/012:10:220
109809970,6cyclictest0-21swapper/011:30:170
109809970,6cyclictest0-21swapper/011:10:470
109809970,6cyclictest0-21swapper/008:45:140
109809970,5cyclictest12195-21aten2.4-expect09:20:170
109809970,4cyclictest25759-21kworker/0:211:55:140
109809970,4cyclictest23135-21perf10:20:000
109809970,4cyclictest1855-21ssh09:50:120
109809970,4cyclictest0-21swapper/007:15:110
109809970,2cyclictest23084-21/usr/sbin/munin11:50:130
109809970,1cyclictest0-21swapper/011:00:210
109809970,1cyclictest0-21swapper/009:55:160
109809970,1cyclictest0-21swapper/009:25:380
109809970,1cyclictest0-21swapper/007:15:000
25245260,0sleep10-21swapper/109:35:581
110109965,1cyclictest6632-21ntpq10:40:183
110109965,1cyclictest4893-21ssh09:54:153
110109965,1cyclictest35-21ksoftirqd/311:05:223
110109965,1cyclictest26472-21ssh09:39:273
110109965,1cyclictest22692-21ssh12:35:053
110109965,1cyclictest20238-21ssh10:15:163
110109965,1cyclictest19110-21snmpd12:34:213
110109965,1cyclictest19110-21snmpd12:11:053
110109965,1cyclictest19110-21snmpd10:01:463
110109965,1cyclictest19110-21snmpd08:53:333
110109965,1cyclictest19110-21snmpd08:42:083
110109965,1cyclictest19110-21snmpd08:42:083
110109965,1cyclictest18606-21ssh10:57:043
110109965,1cyclictest17148-21ntpq11:40:193
110109965,1cyclictest16693-21cat09:25:183
110109964,1cyclictest27859-21pluginstate11:55:203
110109964,1cyclictest19110-21snmpd08:13:073
110109962,1cyclictest8821-21apt-get11:30:133
110109962,1cyclictest30387-21/usr/sbin/munin12:00:183
110109960,5cyclictest31536-21/usr/sbin/munin10:30:163
110109960,5cyclictest0-21swapper/311:03:283
110109960,4cyclictest1533-21apt-get12:05:153
110109960,2cyclictest0-21swapper/310:35:133
110109960,2cyclictest0-21swapper/309:46:143
110109960,2cyclictest0-21swapper/309:31:333
109979965,1cyclictest19110-21snmpd08:07:492
109979965,1cyclictest13352-21kworker/2:108:25:002
109979960,5cyclictest0-21swapper/207:35:092
109899963,3cyclictest0-21swapper/109:05:191
109899960,6cyclictest0-21swapper/112:17:371
109899960,6cyclictest0-21swapper/112:07:331
109899960,6cyclictest0-21swapper/112:03:261
109899960,6cyclictest0-21swapper/111:18:501
109899960,6cyclictest0-21swapper/108:50:161
109899960,6cyclictest0-21swapper/108:15:101
109899960,5cyclictest0-21swapper/110:36:121
109899960,5cyclictest0-21swapper/110:20:171
109899960,4cyclictest0-21swapper/112:25:141
109899960,4cyclictest0-21swapper/111:35:381
109899960,4cyclictest0-21swapper/109:43:011
109899960,4cyclictest0-21swapper/108:10:141
109899960,3cyclictest0-21swapper/110:50:071
109899960,3cyclictest0-21swapper/110:40:171
109899960,1cyclictest0-21swapper/108:55:301
109899960,0cyclictest0-21swapper/112:10:151
109899960,0cyclictest0-21swapper/109:14:511
109809966,0cyclictest0-21swapper/009:07:280
109809965,1cyclictest9-21ksoftirqd/007:51:430
109809965,1cyclictest28196-21ssh09:40:200
109809965,1cyclictest19110-21snmpd07:49:010
109809964,1cyclictest9-21ksoftirqd/007:25:140
109809964,1cyclictest17804-21cron08:30:010
109809963,1cyclictest254-21systemd-journal08:20:000
109809960,6cyclictest0-21swapper/008:55:140
109809960,6cyclictest0-21swapper/008:40:220
109809960,6cyclictest0-21swapper/008:40:210
109809960,6cyclictest0-21swapper/008:31:380
109809960,6cyclictest0-21swapper/007:20:140
109809960,0cyclictest0-21swapper/008:35:230
109809960,0cyclictest0-21swapper/008:00:000
109809960,0cyclictest0-21swapper/007:55:240
110109954,1cyclictest966-21ntpq09:00:203
110109954,1cyclictest19110-21snmpd08:00:223
110109953,1cyclictest19110-21snmpd07:21:153
110109953,1cyclictest18876-21sed08:30:163
110109953,1cyclictest15466-21sed08:25:003
110109952,2cyclictest28379-21apt-get07:45:023
110109951,0cyclictest6038-21apt-get08:05:143
110109950,1cyclictest0-21swapper/311:15:313
110109950,1cyclictest0-21swapper/308:45:143
109979953,1cyclictest28-21ksoftirqd/208:15:172
109899955,0cyclictest0-21swapper/112:35:231
109899953,1cyclictest0-21swapper/110:15:151
109899951,2cyclictest0-21swapper/111:45:171
109899951,2cyclictest0-21swapper/111:34:361
109899950,5cyclictest0-21swapper/112:31:281
109899950,5cyclictest0-21swapper/110:25:171
109899950,5cyclictest0-21swapper/108:47:231
109899950,5cyclictest0-21swapper/108:40:271
109899950,5cyclictest0-21swapper/108:40:261
109899950,5cyclictest0-21swapper/107:41:421
109899950,5cyclictest0-21swapper/107:41:411
109899950,5cyclictest0-21swapper/107:35:061
109899950,5cyclictest0-21swapper/107:15:161
109899950,4cyclictest0-21swapper/110:11:301
109899950,3cyclictest0-21swapper/111:10:121
109899950,3cyclictest0-21swapper/111:00:141
109899950,3cyclictest0-21swapper/110:55:121
109899950,3cyclictest0-21swapper/110:05:131
109899950,2cyclictest0-21swapper/111:05:041
109899950,2cyclictest0-21swapper/110:45:201
109899950,2cyclictest0-21swapper/109:55:031
109899950,2cyclictest0-21swapper/109:52:351
109899950,2cyclictest0-21swapper/109:00:141
109899950,1cyclictest0-21swapper/111:56:271
109899950,1cyclictest0-21swapper/111:50:131
109899950,1cyclictest0-21swapper/110:01:461
110109943,1cyclictest22860-21grep07:30:203
110109943,1cyclictest19110-21snmpd08:26:003
110109942,1cyclictest35-21ksoftirqd/308:55:133
110109942,1cyclictest24203-21cstates07:35:153
110109941,2cyclictest31166-21apt-get07:50:133
109899944,0cyclictest0-21swapper/107:56:531
109899944,0cyclictest0-21swapper/107:49:181
109899940,2cyclictest0-21swapper/110:30:211
109899940,1cyclictest0-21swapper/108:25:201
109899940,1cyclictest0-21swapper/107:30:211
109899940,0cyclictest0-21swapper/108:20:221
109899940,0cyclictest0-21swapper/107:50:211
109899940,0cyclictest0-21swapper/107:27:301
109899931,1cyclictest0-21swapper/108:30:131
109899931,1cyclictest0-21swapper/108:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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