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2026-05-06 - 23:52
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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 Wed May 06, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96052213173,26sleep20-21swapper/207:09:272
95092211159,26sleep30-21swapper/307:08:123
92952206156,24sleep00-21swapper/007:05:270
75332198159,26sleep10-21swapper/107:05:051
217682720,0sleep00-21swapper/011:41:300
226502650,0sleep10-21swapper/109:35:031
271282600,0sleep30-21swapper/312:32:003
189812180,0sleep20-21swapper/208:35:132
9749991615,1cyclictest28-21ksoftirqd/212:14:272
974299150,14cyclictest0-21swapper/110:43:181
289622150,0sleep10-21swapper/110:25:141
55182140,0sleep10-21swapper/108:05:161
9749991313,0cyclictest28-21ksoftirqd/209:55:212
9749991312,1cyclictest28-21ksoftirqd/211:53:112
9749991311,1cyclictest28-21ksoftirqd/211:25:202
9749991311,1cyclictest28-21ksoftirqd/209:10:002
223252130,0sleep222327-21apt-key09:35:012
9749991211,1cyclictest28-21ksoftirqd/207:20:012
9749991210,1cyclictest28-21ksoftirqd/210:40:152
9749991210,1cyclictest28-21ksoftirqd/209:25:112
9730991210,1cyclictest9-21ksoftirqd/007:59:590
9749991110,1cyclictest28-21ksoftirqd/211:34:592
9749991110,1cyclictest28-21ksoftirqd/210:25:132
973099119,1cyclictest9-21ksoftirqd/009:20:010
973099119,1cyclictest9-21ksoftirqd/008:10:000
975699107,1cyclictest35-21ksoftirqd/309:20:003
975699100,5cyclictest0-21swapper/311:50:113
974999109,1cyclictest28-21ksoftirqd/211:35:122
974999109,1cyclictest28-21ksoftirqd/210:55:162
974999109,1cyclictest28-21ksoftirqd/209:15:192
974999109,1cyclictest28-21ksoftirqd/208:40:192
974999108,1cyclictest28-21ksoftirqd/211:45:162
974999108,1cyclictest28-21ksoftirqd/208:30:192
974999108,1cyclictest28-21ksoftirqd/207:45:132
974999108,1cyclictest28-21ksoftirqd/207:30:152
974999101,7cyclictest11203-21munin-run08:20:002
974999100,9cyclictest10508-21kworker/u8:011:24:512
974999100,0cyclictest0-21swapper/210:36:462
973099102,4cyclictest24810-21perf07:40:010
110732100,0sleep20-21swapper/210:00:522
97569998,1cyclictest35-21ksoftirqd/310:50:013
97569998,1cyclictest35-21ksoftirqd/309:35:003
97569998,1cyclictest17378-21sh12:20:113
97569991,3cyclictest17946-21apt-get10:55:103
97499998,1cyclictest28-21ksoftirqd/212:33:232
97499998,1cyclictest28-21ksoftirqd/212:25:142
97499998,1cyclictest28-21ksoftirqd/212:18:082
97499998,1cyclictest28-21ksoftirqd/211:55:102
97499998,1cyclictest28-21ksoftirqd/211:06:442
97499998,1cyclictest28-21ksoftirqd/210:16:002
97499998,1cyclictest28-21ksoftirqd/209:35:162
97499998,1cyclictest271rcuc/208:05:132
97499997,1cyclictest28-21ksoftirqd/210:51:072
97499997,1cyclictest28-21ksoftirqd/210:20:122
97499997,1cyclictest28-21ksoftirqd/210:10:362
97499994,2cyclictest240-21systemd-journal07:15:012
97499993,4cyclictest28-21ksoftirqd/207:40:202
97429995,0cyclictest0-21swapper/111:49:221
97429995,0cyclictest0-21swapper/108:16:391
97309997,1cyclictest9-21ksoftirqd/008:25:000
97309993,5cyclictest7857-21perf11:25:000
97309991,7cyclictest10251-21ssh12:10:140
97309991,2cyclictest0-21swapper/011:30:110
97309990,1cyclictest240-21systemd-journal12:17:170
97569987,1cyclictest35-21ksoftirqd/311:29:593
97569987,1cyclictest35-21ksoftirqd/310:35:013
97569981,4cyclictest9070-21/usr/sbin/munin10:00:153
97569980,4cyclictest0-21swapper/310:50:103
97499988,0cyclictest28-21ksoftirqd/212:05:142
97499988,0cyclictest28-21ksoftirqd/210:45:152
97499988,0cyclictest28-21ksoftirqd/208:20:202
97499987,1cyclictest28-21ksoftirqd/212:01:502
97499987,1cyclictest28-21ksoftirqd/212:01:502
97499987,1cyclictest28-21ksoftirqd/211:10:162
97499987,1cyclictest28-21ksoftirqd/211:02:262
97499987,1cyclictest28-21ksoftirqd/210:30:182
97499987,1cyclictest28-21ksoftirqd/209:40:352
97499987,1cyclictest28-21ksoftirqd/209:20:102
97499987,1cyclictest28-21ksoftirqd/209:12:512
97499987,1cyclictest28-21ksoftirqd/207:50:202
97499986,1cyclictest28-21ksoftirqd/212:40:002
97499986,1cyclictest28-21ksoftirqd/211:40:012
97499986,1cyclictest28-21ksoftirqd/209:47:192
97499986,1cyclictest2434-21cat09:50:152
97499981,6cyclictest9172-21kworker/u8:111:15:392
97499981,6cyclictest28-21ksoftirqd/210:06:342
97499980,3cyclictest0-21swapper/207:25:102
97499980,0cyclictest28-21ksoftirqd/212:20:202
97429980,5cyclictest203-21jbd2/sda2-811:30:481
97429980,4cyclictest0-21swapper/111:35:151
97309985,3cyclictest283282sleep009:40:320
97309983,4cyclictest0-21swapper/011:10:180
97309981,6cyclictest5293-21ssh09:55:100
97309981,6cyclictest14496-21/usr/sbin/munin09:25:130
97309980,7cyclictest21030-21aten_r1power_en12:25:120
97309980,7cyclictest19080-21apt-get11:39:590
97309980,7cyclictest11076-21df09:20:120
97309980,5cyclictest22700-21apt-get09:35:120
97309980,4cyclictest17698-21cut10:55:000
97309980,4cyclictest0-21swapper/008:25:110
10566280,0sleep10-21swapper/110:45:121
97569977,0cyclictest0-21swapper/309:03:543
97569976,1cyclictest35-21ksoftirqd/311:20:013
97569976,1cyclictest35-21ksoftirqd/307:30:003
97569975,2cyclictest2376-21diskmemload10:44:533
97569975,1cyclictest6496-21ssh11:21:223
97569975,1cyclictest22988-21ssh12:25:583
97569975,1cyclictest22619-21apt-get07:35:103
97569973,2cyclictest240-21systemd-journal08:54:143
97569971,3cyclictest0-21swapper/311:45:113
97569970,2cyclictest0-21swapper/308:15:133
97499977,0cyclictest28-21ksoftirqd/208:59:542
97499976,1cyclictest28-21ksoftirqd/207:20:112
97499975,1cyclictest28-21ksoftirqd/208:54:592
97499975,1cyclictest28-21ksoftirqd/208:45:122
97499970,6cyclictest0-21swapper/209:00:172
97429974,0cyclictest0-21swapper/109:00:191
97429973,1cyclictest0-21swapper/109:46:111
97429973,0cyclictest0-21swapper/109:12:381
97429971,3cyclictest0-21swapper/111:20:161
97429970,4cyclictest0-21swapper/109:30:001
97429970,3cyclictest0-21swapper/111:25:191
97429970,3cyclictest0-21swapper/110:10:111
97429970,0cyclictest0-21swapper/108:10:131
97309977,0cyclictest9-21ksoftirqd/012:00:220
97309977,0cyclictest9-21ksoftirqd/012:00:210
97309976,1cyclictest11721-21rm10:45:180
97309975,1cyclictest9-21ksoftirqd/007:49:590
97309975,1cyclictest4636-21ssh09:11:020
97309973,2cyclictest240-21systemd-journal07:25:000
97309971,6cyclictest20414-1kworker/u9:209:50:150
97309971,5cyclictest28492-21/usr/sbin/munin12:35:210
97309970,6cyclictest9729-21sed11:25:200
97309970,6cyclictest4222sleep011:56:000
97309970,6cyclictest28815-21cat10:25:140
97309970,6cyclictest27052-21ssh11:50:110
97309970,6cyclictest19494-21sed10:55:190
97309970,6cyclictest18841-21cstates08:35:130
97309970,6cyclictest12837-21ssh10:05:080
97309970,6cyclictest11557-21ssh10:02:140
97309970,6cyclictest0-21swapper/012:05:100
97309970,6cyclictest0-21swapper/011:05:120
97309970,6cyclictest0-21swapper/010:10:160
97309970,6cyclictest0-21swapper/008:50:100
97309970,6cyclictest0-21swapper/008:40:150
97309970,1cyclictest9888-21ssh10:44:190
97309970,1cyclictest32125-21df_inode10:30:130
97309970,1cyclictest2376-21diskmemload10:21:030
97309970,1cyclictest1127-21ssh09:49:390
97309970,1cyclictest0-21swapper/010:15:190
97309970,1cyclictest0-21swapper/009:31:110
97569965,1cyclictest8063-21ssh12:06:153
97569965,1cyclictest5268-21ssh09:12:453
97569965,1cyclictest35-21ksoftirqd/308:58:453
97569965,1cyclictest32053-21ntpq11:55:183
97569965,1cyclictest31250-21ssh11:11:033
97569965,1cyclictest29056-21ssh09:42:343
97569965,1cyclictest27478-21ssh11:05:593
97569965,1cyclictest24872-21ssh09:36:273
97569965,1cyclictest24301-21ssh11:02:353
97569965,1cyclictest21754-21ssh11:41:283
97569965,1cyclictest18537-21sshd10:10:453
97569965,1cyclictest16800-21ssh09:26:323
97569965,1cyclictest13870-21cat07:15:163
97569965,1cyclictest11960-21ssh12:11:373
97569965,1cyclictest11798-21ssh11:30:003
97569965,1cyclictest11735-21kworker/3:109:46:113
97569964,1cyclictest30861-21ntpq07:50:163
97569964,1cyclictest29030-21ntp_offset10:25:143
97569964,1cyclictest11552-21sed07:10:213
97569964,0cyclictest2376-21diskmemload09:58:293
97569963,2cyclictest15593-21/usr/sbin/munin11:35:173
97569963,1cyclictest240-21systemd-journal07:34:553
97569962,2cyclictest25197-21/usr/sbin/munin07:40:133
97569962,2cyclictest2376-21diskmemload12:01:273
97569962,2cyclictest2376-21diskmemload12:01:273
97569961,5cyclictest2376-21diskmemload12:36:043
97569961,4cyclictest2376-21diskmemload09:50:153
97569961,2cyclictest32677-21apt-get09:05:123
97569960,6cyclictest0-21swapper/310:35:303
97569960,3cyclictest0-21swapper/312:17:333
97569960,2cyclictest0-21swapper/310:20:383
97569960,2cyclictest0-21swapper/309:21:263
97499966,0cyclictest61650irq/122-eno108:10:012
97499966,0cyclictest61650irq/122-eno108:00:172
97499966,0cyclictest61650irq/122-eno107:35:112
97499965,1cyclictest28-21ksoftirqd/208:25:152
97499965,1cyclictest28-21ksoftirqd/207:55:172
97429963,3cyclictest0-21swapper/110:08:341
97429961,4cyclictest0-21swapper/108:27:501
97429961,3cyclictest0-21swapper/110:00:121
97429960,6cyclictest0-21swapper/110:17:091
97429960,5cyclictest0-21swapper/112:10:141
97429960,4cyclictest0-21swapper/107:55:111
97429960,3cyclictest0-21swapper/111:51:491
97429960,3cyclictest0-21swapper/109:55:111
97429960,2cyclictest0-21swapper/110:22:011
97309966,0cyclictest0-21swapper/008:00:130
97309965,1cyclictest23372-1kworker/u9:212:31:390
97309965,1cyclictest13314-21expr07:15:150
97309964,1cyclictest2379-21ssh11:15:270
97309963,1cyclictest9-21ksoftirqd/008:59:140
97309961,4cyclictest733-21sshd07:31:460
97309960,6cyclictest0-21swapper/008:46:080
97309960,5cyclictest0-21swapper/010:35:030
97309960,5cyclictest0-21swapper/009:05:110
97309960,1cyclictest30676-21cstates09:00:130
97309960,1cyclictest23320-21apt-get11:45:120
97309960,1cyclictest0-21swapper/007:50:150
97309960,0cyclictest0-21swapper/012:23:240
97309960,0cyclictest0-21swapper/011:00:170
97569955,0cyclictest3404-21sensors08:00:193
97569954,0cyclictest2376-21diskmemload10:15:113
97569953,1cyclictest12788-21ssh10:05:003
97569951,3cyclictest15358-21apt-get07:20:123
97569951,2cyclictest14806-21load08:25:153
97569951,1cyclictest1786-21awk08:00:003
97569950,5cyclictest0-21swapper/308:08:193
97569950,2cyclictest0-21swapper/308:35:123
97569950,1cyclictest0-21swapper/307:45:133
97569950,0cyclictest0-21swapper/308:20:423
97429955,0cyclictest0-21swapper/109:31:001
97429955,0cyclictest0-21swapper/109:19:481
97429955,0cyclictest0-21swapper/108:35:211
97429954,1cyclictest0-21swapper/107:50:211
97429953,1cyclictest0-21swapper/110:30:141
97429952,2cyclictest0-21swapper/109:22:581
97429952,1cyclictest0-21swapper/107:30:131
97429951,2cyclictest0-21swapper/112:15:141
97429950,5cyclictest0-21swapper/107:20:441
97429950,4cyclictest0-21swapper/109:52:451
97429950,3cyclictest0-21swapper/111:12:111
97429950,3cyclictest0-21swapper/111:01:201
97429950,3cyclictest0-21swapper/110:35:151
97429950,2cyclictest0-21swapper/112:39:371
97429950,2cyclictest0-21swapper/112:31:041
97429950,2cyclictest0-21swapper/112:20:111
97429950,2cyclictest0-21swapper/111:42:531
97429950,2cyclictest0-21swapper/110:56:051
97429950,2cyclictest0-21swapper/110:50:161
97429950,1cyclictest0-21swapper/112:25:101
97429950,1cyclictest0-21swapper/108:30:111
97429950,1cyclictest0-21swapper/107:35:181
97429950,0cyclictest0-21swapper/109:41:351
97429950,0cyclictest0-21swapper/108:22:431
97309953,1cyclictest9062-21/usr/sbin/munin08:15:160
97309950,5cyclictest0-21swapper/007:14:070
97309950,4cyclictest24991-21/usr/sbin/munin07:40:150
97309950,4cyclictest17711-21apt-get07:25:100
97309950,4cyclictest16155-21/usr/sbin/munin08:30:150
97309950,2cyclictest240-21systemd-journal08:11:440
3399250,0sleep10-21swapper/112:00:201
3399250,0sleep10-21swapper/112:00:191
97569944,0cyclictest0-21swapper/308:45:033
97569942,1cyclictest21048-21/usr/sbin/munin08:40:123
97569940,1cyclictest240-21systemd-journal08:30:133
97569940,1cyclictest240-21systemd-journal08:10:133
97429944,0cyclictest0-21swapper/107:28:121
97429943,1cyclictest29708-21chrt08:55:341
97429943,1cyclictest273392sleep107:45:071
97429943,1cyclictest0-21swapper/109:05:171
97429941,2cyclictest0-21swapper/111:55:171
97429941,2cyclictest0-21swapper/108:50:121
97429940,4cyclictest0-21swapper/107:40:041
97429940,3cyclictest0-21swapper/111:05:461
97429940,1cyclictest0-21swapper/112:05:191
97429940,1cyclictest0-21swapper/111:15:231
97429940,1cyclictest0-21swapper/108:00:211
97429932,1cyclictest232302sleep108:45:051
97429931,1cyclictest0-21swapper/108:40:131
97429931,1cyclictest0-21swapper/107:10:111
97429930,3cyclictest12972-21chrt07:15:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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