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2026-03-21 - 22:12
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Sat Mar 21, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112602224161,24sleep10-21swapper/107:07:131
113182204164,26sleep20-21swapper/207:07:592
113092201161,26sleep30-21swapper/307:07:523
114652198159,25sleep00-21swapper/007:09:540
198582790,0sleep10-21swapper/110:10:121
194212680,1sleep20-21swapper/209:27:442
11545991817,1cyclictest9-21ksoftirqd/008:10:000
11554991616,0cyclictest28-21ksoftirqd/210:09:562
11554991615,1cyclictest28-21ksoftirqd/212:18:482
11554991515,0cyclictest28-21ksoftirqd/211:41:242
11554991515,0cyclictest28-21ksoftirqd/210:19:432
264522140,1sleep121-21ksoftirqd/112:24:091
11554991414,0cyclictest28-21ksoftirqd/212:30:432
11554991414,0cyclictest28-21ksoftirqd/212:26:062
11554991414,0cyclictest28-21ksoftirqd/211:46:442
11554991414,0cyclictest28-21ksoftirqd/211:24:512
11554991414,0cyclictest28-21ksoftirqd/211:08:172
11554991414,0cyclictest28-21ksoftirqd/210:39:012
11554991414,0cyclictest28-21ksoftirqd/210:30:592
11554991414,0cyclictest28-21ksoftirqd/209:56:442
11554991414,0cyclictest28-21ksoftirqd/209:37:482
11554991414,0cyclictest28-21ksoftirqd/209:10:012
11554991413,1cyclictest28-21ksoftirqd/210:27:122
11554991413,0cyclictest28-21ksoftirqd/211:28:432
11554991413,0cyclictest28-21ksoftirqd/209:44:392
11554991313,0cyclictest28-21ksoftirqd/212:37:482
11554991313,0cyclictest28-21ksoftirqd/212:20:112
11554991313,0cyclictest28-21ksoftirqd/211:55:112
11554991313,0cyclictest28-21ksoftirqd/211:50:592
11554991313,0cyclictest28-21ksoftirqd/211:34:222
11554991313,0cyclictest28-21ksoftirqd/211:13:282
11554991313,0cyclictest28-21ksoftirqd/210:59:442
11554991313,0cyclictest28-21ksoftirqd/210:53:532
11554991313,0cyclictest28-21ksoftirqd/210:44:142
11554991313,0cyclictest28-21ksoftirqd/210:20:412
11554991313,0cyclictest28-21ksoftirqd/210:20:412
11554991313,0cyclictest28-21ksoftirqd/210:00:542
11554991313,0cyclictest28-21ksoftirqd/209:53:592
11545991312,1cyclictest9-21ksoftirqd/010:20:000
1155499126,6cyclictest28-21ksoftirqd/208:40:162
1155499124,8cyclictest28-21ksoftirqd/210:46:582
11554991212,0cyclictest28-21ksoftirqd/212:11:552
11554991212,0cyclictest28-21ksoftirqd/212:02:452
11554991212,0cyclictest28-21ksoftirqd/211:16:532
11554991212,0cyclictest28-21ksoftirqd/211:00:542
11554991212,0cyclictest28-21ksoftirqd/210:10:082
11554991212,0cyclictest28-21ksoftirqd/209:21:132
11554991212,0cyclictest28-21ksoftirqd/209:15:542
11545991212,0cyclictest0-21swapper/008:00:110
11545991211,1cyclictest9-21ksoftirqd/010:25:000
11545991211,1cyclictest9-21ksoftirqd/010:25:000
11545991211,1cyclictest12419-21ssh11:24:350
11545991210,1cyclictest9-21ksoftirqd/012:20:010
11545991210,1cyclictest9-21ksoftirqd/011:00:000
11545991210,1cyclictest9-21ksoftirqd/010:45:150
11545991210,1cyclictest9-21ksoftirqd/010:35:010
1156299119,1cyclictest35-21ksoftirqd/308:25:003
1156299110,5cyclictest27078-21apt-get12:25:113
1155499119,1cyclictest28-21ksoftirqd/208:45:202
1155499114,7cyclictest28-21ksoftirqd/212:08:342
1155499114,7cyclictest28-21ksoftirqd/208:10:122
11554991110,1cyclictest28-21ksoftirqd/209:45:202
1155499111,9cyclictest28-21ksoftirqd/209:32:472
1154599119,1cyclictest9-21ksoftirqd/009:45:000
1154599119,1cyclictest9-21ksoftirqd/009:35:010
1154599112,4cyclictest8768-21cat11:20:000
11545991110,1cyclictest9-21ksoftirqd/012:30:160
11545991110,1cyclictest9-21ksoftirqd/010:45:000
11545991110,1cyclictest9-21ksoftirqd/009:00:000
11545991110,1cyclictest9-21ksoftirqd/007:50:010
11545991110,1cyclictest9-21ksoftirqd/007:30:000
1156299109,1cyclictest35-21ksoftirqd/310:45:103
1156299108,1cyclictest35-21ksoftirqd/307:45:003
1156299101,7cyclictest3751-21kworker/u8:012:19:483
1155499109,1cyclictest28-21ksoftirqd/207:45:152
1155499104,6cyclictest28-21ksoftirqd/209:04:522
1155499103,7cyclictest28-21ksoftirqd/208:31:362
1155499103,7cyclictest28-21ksoftirqd/207:58:122
1155499102,8cyclictest28-21ksoftirqd/207:14:442
1154599109,1cyclictest9-21ksoftirqd/012:05:120
1154599109,1cyclictest9-21ksoftirqd/011:35:010
1154599109,1cyclictest2173-21ssh09:46:220
1154599108,1cyclictest9-21ksoftirqd/012:00:120
1154599108,1cyclictest9-21ksoftirqd/009:50:120
1154599108,1cyclictest9-21ksoftirqd/008:25:000
115629997,1cyclictest9627-21fschecks_time11:20:143
115629990,4cyclictest4208-21diskmemload11:50:143
115549999,0cyclictest28-21ksoftirqd/208:39:402
115549999,0cyclictest28-21ksoftirqd/207:54:442
115549998,1cyclictest28-21ksoftirqd/211:35:142
115549998,1cyclictest28-21ksoftirqd/208:55:112
115549998,1cyclictest28-21ksoftirqd/208:20:002
115549998,1cyclictest28-21ksoftirqd/207:40:172
115549998,1cyclictest28-21ksoftirqd/207:30:012
115549991,5cyclictest28-21ksoftirqd/207:15:002
115459998,1cyclictest9-21ksoftirqd/012:10:150
115459998,1cyclictest9-21ksoftirqd/011:15:000
115459998,1cyclictest9-21ksoftirqd/011:05:200
115459998,1cyclictest9-21ksoftirqd/010:30:010
115459998,1cyclictest9-21ksoftirqd/009:35:120
115459998,1cyclictest9-21ksoftirqd/007:15:000
115459997,1cyclictest9-21ksoftirqd/010:10:120
115459997,1cyclictest9-21ksoftirqd/010:10:000
115459997,1cyclictest9-21ksoftirqd/008:45:010
115459993,6cyclictest19799-21ssh09:28:380
115629986,1cyclictest707-21snmpd12:12:113
115629986,1cyclictest707-21snmpd12:01:383
115629986,1cyclictest707-21snmpd08:44:403
115629986,1cyclictest707-21snmpd08:16:133
115629986,1cyclictest707-21snmpd07:47:483
115629986,1cyclictest707-21snmpd07:14:113
115629985,0cyclictest0-21swapper/309:44:313
115629982,4cyclictest10042-21ssh09:15:183
115629980,7cyclictest28341-21apt-get11:45:103
115629980,6cyclictest0-21swapper/307:35:093
115629980,5cyclictest13916-21munin-node10:40:333
115549988,0cyclictest28-21ksoftirqd/208:50:252
115549988,0cyclictest28-21ksoftirqd/208:05:112
115549987,1cyclictest28-21ksoftirqd/208:25:142
115549987,1cyclictest28-21ksoftirqd/207:20:102
115549981,7cyclictest28-21ksoftirqd/207:35:102
115549980,8cyclictest28-21ksoftirqd/209:05:182
115549980,8cyclictest28-21ksoftirqd/208:20:042
115549980,8cyclictest0-21swapper/208:01:162
115549980,1cyclictest28-21ksoftirqd/207:25:122
115459987,1cyclictest9-21ksoftirqd/012:25:130
115459987,1cyclictest9-21ksoftirqd/011:00:140
115459987,1cyclictest9-21ksoftirqd/010:55:000
115459987,1cyclictest9-21ksoftirqd/008:45:150
115459987,1cyclictest9-21ksoftirqd/007:15:000
115459987,1cyclictest707-21snmpd07:32:400
115459986,1cyclictest9-21ksoftirqd/009:55:150
115459986,1cyclictest9-21ksoftirqd/009:10:130
115459986,1cyclictest9-21ksoftirqd/009:07:440
115459986,1cyclictest9-21ksoftirqd/008:40:010
115459986,1cyclictest9-21ksoftirqd/007:40:130
115459986,1cyclictest9-21ksoftirqd/007:35:110
115459986,1cyclictest9-21ksoftirqd/007:25:000
115459986,1cyclictest707-21snmpd07:52:570
115459986,1cyclictest18827-21sort08:30:140
115459984,4cyclictest9-21ksoftirqd/011:25:150
115459981,5cyclictest4208-21diskmemload10:35:140
115459981,3cyclictest3393-21perf11:55:000
115459980,7cyclictest5698-21ssh12:39:210
115459980,7cyclictest28341-21apt-get11:45:100
115459980,7cyclictest26401-21ssh12:24:010
115629976,1cyclictest28551-21ssh11:02:313
115629975,1cyclictest707-21snmpd09:12:443
115629975,1cyclictest707-21snmpd09:02:523
115629975,1cyclictest707-21snmpd08:56:593
115629975,1cyclictest707-21snmpd07:32:023
115629975,1cyclictest707-21snmpd07:19:353
115629975,1cyclictest6398-21ssh10:35:093
115629975,1cyclictest23596-21ssh11:38:303
115629975,1cyclictest15369-21ssh09:22:383
115629975,1cyclictest0-21swapper/310:25:133
115629970,5cyclictest20826-21proc_pri10:10:183
115469971,1cyclictest0-21swapper/111:34:431
115469970,4cyclictest0-21swapper/110:16:431
115469970,4cyclictest0-21swapper/110:00:391
115469970,4cyclictest0-21swapper/107:30:121
115459976,1cyclictest9-21ksoftirqd/011:44:590
115459976,1cyclictest9-21ksoftirqd/011:35:190
115459976,1cyclictest9-21ksoftirqd/010:00:140
115459976,1cyclictest9-21ksoftirqd/008:25:140
115459976,1cyclictest707-21snmpd09:03:200
115459976,1cyclictest707-21snmpd07:59:150
115459975,1cyclictest9-21ksoftirqd/012:00:000
115459970,6cyclictest8579-21apt-get09:15:100
115459970,6cyclictest12122-21ls08:15:170
115459970,1cyclictest240-21systemd-journal08:15:000
115459970,1cyclictest0-21swapper/009:20:060
115629965,1cyclictest9678-21ssh09:55:453
115629965,1cyclictest707-21snmpd08:49:103
115629965,1cyclictest5713-21ssh09:50:323
115629965,1cyclictest5083-21ssh12:37:443
115629965,1cyclictest4845-21ssh10:31:383
115629965,1cyclictest29255-21ssh10:20:513
115629965,1cyclictest29255-21ssh10:20:513
115629965,1cyclictest25675-21ntpq11:40:173
115629965,1cyclictest24770-21ssh10:57:473
115629965,1cyclictest20937-21sensors07:25:193
115629965,1cyclictest20245-21ssh10:51:023
115629965,1cyclictest18260-21ssh10:07:593
115629965,1cyclictest17937-21ntpq11:30:163
115629965,1cyclictest15790-21ssh11:28:173
115629965,1cyclictest13644-21ssh12:05:563
115629965,1cyclictest13606-21ssh10:00:513
115629965,0cyclictest1747-21ntpd08:50:593
115629964,1cyclictest707-21snmpd11:05:173
115629964,1cyclictest707-21snmpd07:52:513
115629964,1cyclictest25802-21ssh09:35:163
115629964,1cyclictest24153-21irqstats12:20:173
115629963,2cyclictest17981-21apt-get08:30:103
115629963,1cyclictest21368-21fschecks_time09:30:153
115629963,0cyclictest4208-21diskmemload11:12:303
115629961,3cyclictest3646-21/usr/sbin/munin11:55:173
115629961,3cyclictest0-21swapper/309:25:193
115629960,6cyclictest0-21swapper/310:18:463
115629960,3cyclictest4208-21diskmemload11:15:183
115629960,1cyclictest21941-21/usr/sbin/munin08:35:213
115469963,0cyclictest0-21swapper/112:15:171
115469961,3cyclictest0-21swapper/112:30:131
115469961,2cyclictest0-21swapper/110:37:221
115469960,6cyclictest0-21swapper/111:15:211
115469960,6cyclictest0-21swapper/110:20:351
115469960,6cyclictest0-21swapper/110:20:351
115469960,6cyclictest0-21swapper/109:52:451
115469960,6cyclictest0-21swapper/108:38:011
115469960,6cyclictest0-21swapper/108:15:191
115469960,6cyclictest0-21swapper/108:11:341
115469960,6cyclictest0-21swapper/108:09:371
115469960,6cyclictest0-21swapper/108:01:541
115469960,6cyclictest0-21swapper/107:50:161
115469960,6cyclictest0-21swapper/107:49:211
115469960,5cyclictest0-21swapper/109:40:141
115469960,5cyclictest0-21swapper/109:39:401
115469960,5cyclictest0-21swapper/108:28:551
115469960,4cyclictest0-21swapper/111:25:021
115469960,4cyclictest0-21swapper/111:21:351
115469960,4cyclictest0-21swapper/111:06:491
115469960,4cyclictest0-21swapper/109:15:151
115469960,4cyclictest0-21swapper/109:05:191
115469960,2cyclictest0-21swapper/111:45:101
115469960,1cyclictest0-21swapper/111:55:151
115469960,1cyclictest0-21swapper/110:45:151
115469960,1cyclictest0-21swapper/110:26:041
115459965,1cyclictest707-21snmpd08:51:380
14507250,0sleep10-21swapper/109:20:331
115629955,0cyclictest0-21swapper/309:06:513
115629954,1cyclictest707-21snmpd07:59:093
115629954,1cyclictest35-21ksoftirqd/307:23:333
115629954,1cyclictest1806-21ssh09:45:263
115629951,3cyclictest4208-21diskmemload12:30:423
115629951,2cyclictest0-21swapper/308:25:123
115629951,1cyclictest9063-21fschecks_count08:10:133
115629951,1cyclictest6185-21apt-get08:05:113
115629950,1cyclictest0-21swapper/308:00:143
115469955,0cyclictest0-21swapper/111:43:191
115469951,2cyclictest0-21swapper/109:00:191
115469951,1cyclictest0-21swapper/110:30:111
115469950,5cyclictest0-21swapper/111:03:171
115469950,5cyclictest0-21swapper/110:58:281
115469950,5cyclictest0-21swapper/110:52:561
115469950,5cyclictest0-21swapper/110:05:371
115469950,5cyclictest0-21swapper/109:55:001
115469950,5cyclictest0-21swapper/109:26:141
115469950,5cyclictest0-21swapper/108:40:151
115469950,4cyclictest0-21swapper/112:08:381
115469950,3cyclictest0-21swapper/111:10:191
115469950,3cyclictest0-21swapper/109:30:211
115469950,2cyclictest0-21swapper/112:25:311
115469950,2cyclictest0-21swapper/112:01:101
115469950,1cyclictest0-21swapper/107:40:001
115469942,1cyclictest268282sleep108:45:371
115469941,2cyclictest0-21swapper/107:40:111
115469941,1cyclictest0-21swapper/109:10:141
115469940,4cyclictest0-21swapper/108:54:201
115469940,4cyclictest0-21swapper/107:20:481
115469940,3cyclictest0-21swapper/112:37:211
115469940,3cyclictest0-21swapper/107:15:141
115469940,2cyclictest0-21swapper/112:11:081
115469940,2cyclictest0-21swapper/110:40:181
115469940,2cyclictest0-21swapper/109:45:111
115469940,2cyclictest0-21swapper/108:55:111
115469940,1cyclictest0-21swapper/111:50:181
115469940,1cyclictest0-21swapper/108:30:131
115469940,1cyclictest0-21swapper/108:20:191
115469940,1cyclictest0-21swapper/107:55:121
115469940,0cyclictest0-21swapper/111:35:191
115469940,0cyclictest0-21swapper/107:15:001
115469930,2cyclictest0-21swapper/107:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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