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2026-09-17 - 00:13
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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 all highest latencies:
System rack1slot1.osadl.org (updated Wed Sep 16, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152112213150,22sleep30-21swapper/307:09:493
152132212148,21sleep00-21swapper/007:09:490
151882199160,26sleep20-21swapper/207:09:322
150162197160,24sleep10-21swapper/107:07:181
15812140,0sleep20-21swapper/207:45:152
15318991412,1cyclictest28-21ksoftirqd/210:50:002
193902130,0sleep30-21swapper/311:42:213
1531899130,1cyclictest3498-21fschecks_time11:20:162
1530699130,12cyclictest8160-21diskmemload12:15:130
226472120,0sleep10-21swapper/108:30:111
15326991210,1cyclictest35-21ksoftirqd/308:35:003
15318991210,1cyclictest28-21ksoftirqd/212:00:002
1531899119,1cyclictest28-21ksoftirqd/207:45:002
15318991110,1cyclictest28-21ksoftirqd/212:38:102
15318991110,1cyclictest28-21ksoftirqd/211:45:222
15318991110,1cyclictest28-21ksoftirqd/209:46:532
1530699119,1cyclictest9-21ksoftirqd/007:49:590
1530699113,4cyclictest8745-21ls12:15:010
1532699102,5cyclictest11052-21runrttasks12:16:273
1531899109,1cyclictest28-21ksoftirqd/212:25:112
1531899109,1cyclictest28-21ksoftirqd/212:20:112
1531899109,1cyclictest28-21ksoftirqd/212:17:172
1531899109,1cyclictest28-21ksoftirqd/212:02:152
1531899109,1cyclictest28-21ksoftirqd/211:29:362
1531899109,1cyclictest28-21ksoftirqd/210:35:152
1531899109,1cyclictest28-21ksoftirqd/209:50:272
1531899109,1cyclictest28-21ksoftirqd/209:15:132
1531899109,0cyclictest28-21ksoftirqd/210:15:212
1531899108,1cyclictest303681/usr/sbin/munin09:40:202
1531899108,1cyclictest28-21ksoftirqd/210:40:162
15318991010,0cyclictest28-21ksoftirqd/212:30:162
15318991010,0cyclictest28-21ksoftirqd/211:35:192
15318991010,0cyclictest28-21ksoftirqd/211:35:182
15318991010,0cyclictest28-21ksoftirqd/209:35:292
1531899100,8cyclictest8160-21diskmemload10:05:202
1530699108,1cyclictest9-21ksoftirqd/009:55:000
1530699102,4cyclictest32562-21cut10:30:000
1530699101,5cyclictest8160-21diskmemload11:19:400
153269998,1cyclictest17823-21/usr/sbin/munin10:55:193
153269997,1cyclictest35-21ksoftirqd/308:20:003
153189999,0cyclictest28-21ksoftirqd/211:30:192
153189999,0cyclictest28-21ksoftirqd/210:55:132
153189998,1cyclictest28-21ksoftirqd/211:54:562
153189998,1cyclictest28-21ksoftirqd/211:08:202
153189998,1cyclictest28-21ksoftirqd/210:50:372
153189998,1cyclictest28-21ksoftirqd/210:14:172
153189998,1cyclictest28-21ksoftirqd/209:14:222
153189998,1cyclictest0-21swapper/212:10:042
153189998,0cyclictest28-21ksoftirqd/212:05:152
153189997,1cyclictest28-21ksoftirqd/211:10:142
153189997,1cyclictest28-21ksoftirqd/211:00:132
153189997,1cyclictest28-21ksoftirqd/210:00:012
153189997,1cyclictest28-21ksoftirqd/208:20:012
153119990,4cyclictest0-21swapper/112:30:171
153069997,1cyclictest9-21ksoftirqd/008:35:010
153069990,3cyclictest0-21swapper/011:35:130
153069990,3cyclictest0-21swapper/011:35:130
23460280,0sleep30-21swapper/311:49:203
153269987,0cyclictest35-21ksoftirqd/309:11:373
153269986,1cyclictest466-21apt-get07:45:113
153269983,1cyclictest8160-21diskmemload12:01:203
153269981,4cyclictest8160-21diskmemload12:20:203
153269981,4cyclictest0-21swapper/311:28:003
153269981,2cyclictest0-21swapper/310:05:103
153189988,0cyclictest28-21ksoftirqd/211:41:292
153189988,0cyclictest28-21ksoftirqd/209:30:152
153189987,1cyclictest28-21ksoftirqd/210:01:342
153189987,1cyclictest28-21ksoftirqd/209:20:592
153189987,1cyclictest28-21ksoftirqd/207:35:132
153189987,0cyclictest28-21ksoftirqd/210:20:172
153189986,1cyclictest8230-21kworker/2:208:45:212
153189986,1cyclictest8230-21kworker/2:208:20:202
153189986,1cyclictest61650irq/122-eno108:40:192
153189986,1cyclictest28-21ksoftirqd/210:30:012
153189986,1cyclictest28-21ksoftirqd/210:25:332
153189986,1cyclictest28-21ksoftirqd/208:05:132
153189986,1cyclictest28-21ksoftirqd/207:50:092
153189986,1cyclictest28-21ksoftirqd/207:15:132
153189985,2cyclictest26406-21cron08:40:002
153189983,2cyclictest8160-21diskmemload11:15:122
153189981,4cyclictest24061-21munin-run08:35:012
153069986,1cyclictest11301-21snmpd11:46:390
153069986,1cyclictest11301-21snmpd08:51:450
153069986,1cyclictest11301-21snmpd08:17:380
153069986,1cyclictest11301-21snmpd07:26:250
153069983,1cyclictest338-21/usr/sbin/munin10:30:160
153069983,1cyclictest1414-21/usr/sbin/munin09:45:220
153069981,3cyclictest8160-21diskmemload10:03:310
153069981,1cyclictest13468-21ssh10:48:070
153069980,6cyclictest0-21swapper/009:25:110
153069980,4cyclictest561-21nscd10:20:100
153069980,3cyclictest0-21swapper/008:35:130
153269976,1cyclictest24782-21ssh12:35:443
153269976,1cyclictest11301-21snmpd09:32:053
153269976,1cyclictest11301-21snmpd07:33:103
153269976,1cyclictest11301-21snmpd07:24:423
153269975,1cyclictest32004-21ssh10:28:193
153269975,1cyclictest11301-21snmpd08:59:453
153269975,1cyclictest11301-21snmpd08:48:533
153269974,1cyclictest8160-21diskmemload12:29:073
153269974,1cyclictest8160-21diskmemload09:15:343
153269974,0cyclictest8160-21diskmemload10:40:283
153269973,0cyclictest8160-21diskmemload11:33:143
153269971,3cyclictest8160-21diskmemload10:13:563
153269971,3cyclictest0-21swapper/309:05:143
153269971,2cyclictest0-21swapper/310:50:013
153269970,3cyclictest0-21swapper/312:05:293
153269970,3cyclictest0-21swapper/310:01:243
153269970,3cyclictest0-21swapper/309:55:513
153269970,2cyclictest0-21swapper/311:20:233
153269970,2cyclictest0-21swapper/310:21:043
153269970,2cyclictest0-21swapper/310:19:223
153269970,2cyclictest0-21swapper/309:50:153
153269970,1cyclictest0-21swapper/311:15:473
153269970,1cyclictest0-21swapper/309:20:273
153189976,1cyclictest8230-21kworker/2:209:25:132
153189976,1cyclictest28-21ksoftirqd/207:25:162
153189975,1cyclictest28-21ksoftirqd/207:59:592
153189975,1cyclictest28-21ksoftirqd/207:30:132
153189970,5cyclictest12729-21cpuspeed_turbos08:10:122
153189970,5cyclictest0-21swapper/208:50:122
153119971,6cyclictest0-21swapper/112:18:401
153119971,6cyclictest0-21swapper/112:14:511
153119971,5cyclictest0-21swapper/111:25:311
153119971,3cyclictest0-21swapper/111:35:011
153119971,3cyclictest0-21swapper/111:35:001
153119970,6cyclictest0-21swapper/108:40:171
153119970,4cyclictest0-21swapper/109:40:221
153119970,4cyclictest0-21swapper/109:00:181
153119970,2cyclictest0-21swapper/111:30:181
153119970,1cyclictest0-21swapper/112:25:191
153119970,1cyclictest0-21swapper/111:09:381
153119970,1cyclictest0-21swapper/109:55:341
153119970,1cyclictest0-21swapper/107:30:311
153069975,1cyclictest9-21ksoftirqd/008:50:000
153069975,1cyclictest9-21ksoftirqd/008:43:300
153069975,1cyclictest11301-21snmpd10:44:220
153069975,1cyclictest10513-21ssh09:11:440
153069974,1cyclictest8160-21diskmemload09:19:070
153069971,5cyclictest733-21sshd07:10:350
153069971,5cyclictest30161-21ssh11:10:430
153069970,6cyclictest8160-21diskmemload12:28:550
153069970,6cyclictest8160-21diskmemload10:06:290
153069970,6cyclictest4013-21cstates09:00:130
153069970,6cyclictest29233-21ssh11:55:270
153069970,6cyclictest28868-21ssh09:36:450
153069970,6cyclictest24334-21ssh10:16:060
153069970,6cyclictest21972-21taskset10:14:460
153069970,6cyclictest19820-21ssh11:43:460
153069970,6cyclictest1633-21cstates08:55:120
153069970,6cyclictest14286-21sh12:20:340
153069970,6cyclictest10007-21apt-get11:30:110
153069970,6cyclictest0-21swapper/011:50:160
153069970,6cyclictest0-21swapper/007:30:160
153069970,6cyclictest0-21swapper/007:20:140
153069970,4cyclictest7060-1kworker/u9:209:56:140
153069970,4cyclictest240-21systemd-journal07:15:010
153069970,3cyclictest0-21swapper/012:35:110
153069970,1cyclictest8160-21diskmemload11:06:220
153069970,1cyclictest28294-21taskset07:35:140
153069970,1cyclictest22546-21ssh12:34:510
153069970,1cyclictest21755-21expr11:00:140
153069970,1cyclictest2000-21apt-get12:05:110
153069970,1cyclictest18344-21df_inode10:55:140
153069970,1cyclictest0-21swapper/010:35:140
153069970,1cyclictest0-21swapper/009:41:020
153069970,1cyclictest0-21swapper/009:33:330
153269966,0cyclictest35-21ksoftirqd/312:10:053
153269965,1cyclictest6304-21cat07:55:163
153269965,1cyclictest15360-21ssh11:35:383
153269965,1cyclictest15360-21ssh11:35:373
153269964,1cyclictest27626-21ssh11:55:113
153269964,1cyclictest11301-21snmpd08:25:173
153269964,1cyclictest11301-21snmpd07:53:023
153269964,0cyclictest8160-21diskmemload11:50:033
153269963,1cyclictest240-21systemd-journal08:40:003
153269963,0cyclictest8160-21diskmemload12:30:033
153269962,2cyclictest8160-21diskmemload09:46:063
153269962,1cyclictest29881-21grep07:35:213
153269961,4cyclictest12498-21apt-get08:10:113
153269961,2cyclictest0-21swapper/308:20:133
153269960,3cyclictest25672-21/usr/sbin/munin11:05:153
153269960,3cyclictest0-21swapper/310:45:123
153269960,3cyclictest0-21swapper/310:35:403
153269960,2cyclictest8160-21diskmemload09:40:183
153269960,2cyclictest0-21swapper/311:00:073
153269960,2cyclictest0-21swapper/310:31:333
153269960,2cyclictest0-21swapper/308:51:203
153269960,1cyclictest0-21swapper/311:14:163
153269960,0cyclictest0-21swapper/309:25:243
153189966,0cyclictest61650irq/122-eno108:57:112
153189965,1cyclictest28-21ksoftirqd/209:05:092
153189965,1cyclictest28-21ksoftirqd/208:30:012
153189964,1cyclictest28-21ksoftirqd/207:10:182
153189960,6cyclictest0-21swapper/208:03:592
153189960,1cyclictest0-21swapper/209:04:282
153119966,0cyclictest0-21swapper/111:51:391
153119962,2cyclictest0-21swapper/109:45:131
153119961,3cyclictest0-21swapper/109:51:551
153119960,6cyclictest0-21swapper/112:36:341
153119960,6cyclictest0-21swapper/110:17:341
153119960,6cyclictest0-21swapper/109:11:001
153119960,6cyclictest0-21swapper/109:09:581
153119960,6cyclictest0-21swapper/108:37:421
153119960,5cyclictest0-21swapper/108:00:291
153119960,5cyclictest0-21swapper/107:55:161
153119960,4cyclictest0-21swapper/111:44:291
153119960,4cyclictest0-21swapper/110:37:031
153119960,3cyclictest0-21swapper/111:21:061
153119960,3cyclictest0-21swapper/111:13:061
153119960,3cyclictest0-21swapper/109:26:101
153119960,2cyclictest0-21swapper/111:55:111
153119960,2cyclictest0-21swapper/110:47:191
153119960,1cyclictest0-21swapper/112:05:161
153119960,1cyclictest0-21swapper/112:03:511
153119960,1cyclictest0-21swapper/110:26:271
153119960,1cyclictest0-21swapper/107:53:011
153119960,0cyclictest0-21swapper/107:10:121
153069965,1cyclictest18404-21ntp_states08:20:190
153069961,4cyclictest6257-21sh11:25:020
153069960,6cyclictest30896-21ssh12:00:060
153069960,6cyclictest0-21swapper/010:50:110
153069960,6cyclictest0-21swapper/008:10:120
153069960,5cyclictest2852-21/usr/sbin/munin07:50:160
153069960,1cyclictest0-21swapper/011:20:150
153069960,0cyclictest8160-21diskmemload09:20:030
153069960,0cyclictest0-21swapper/008:25:110
153269954,1cyclictest35-21ksoftirqd/307:10:523
153269954,1cyclictest11301-21snmpd08:41:103
153269954,1cyclictest11301-21snmpd08:09:593
153269953,1cyclictest4690-21memory09:00:163
153269952,1cyclictest30569-21/usr/sbin/munin07:40:163
153269952,1cyclictest240-21systemd-journal07:30:013
153269950,0cyclictest0-21swapper/309:35:123
153269950,0cyclictest0-21swapper/307:17:143
153189955,0cyclictest61650irq/122-eno107:20:012
153119955,0cyclictest0-21swapper/110:55:511
153119955,0cyclictest0-21swapper/109:21:541
153119952,1cyclictest0-21swapper/109:32:521
153119951,3cyclictest0-21swapper/111:49:481
153119950,5cyclictest0-21swapper/108:26:301
153119950,5cyclictest0-21swapper/107:25:151
153119950,5cyclictest0-21swapper/107:23:431
153119950,4cyclictest0-21swapper/110:01:311
153119950,4cyclictest0-21swapper/108:24:331
153119950,4cyclictest0-21swapper/108:05:161
153119950,3cyclictest0-21swapper/110:22:251
153119950,2cyclictest0-21swapper/111:16:291
153119950,2cyclictest0-21swapper/110:50:181
153119950,2cyclictest0-21swapper/110:07:191
153119950,2cyclictest0-21swapper/109:36:091
153119950,1cyclictest0-21swapper/110:40:281
153119950,1cyclictest0-21swapper/110:31:041
153119950,1cyclictest0-21swapper/108:55:151
153119950,1cyclictest0-21swapper/107:45:191
153119950,0cyclictest0-21swapper/112:20:461
153119950,0cyclictest0-21swapper/110:10:101
153069954,0cyclictest0-21swapper/008:00:130
153069951,2cyclictest548-21systemd-logind09:05:180
153069950,5cyclictest0-21swapper/007:56:030
153069950,4cyclictest11056-21kernelversion08:05:170
153069950,0cyclictest0-21swapper/007:40:480
153269940,1cyclictest0-21swapper/308:00:143
153119940,4cyclictest0-21swapper/108:10:191
153119940,3cyclictest0-21swapper/108:45:201
153119940,3cyclictest0-21swapper/107:40:181
153119940,3cyclictest0-21swapper/107:15:151
153119940,2cyclictest0-21swapper/109:15:121
153119940,1cyclictest0-21swapper/108:15:161
153119940,0cyclictest0-21swapper/111:01:221
153119931,1cyclictest0-21swapper/107:35:141
153119930,2cyclictest0-21swapper/108:50:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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