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2026-04-26 - 14:28
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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 Sun Apr 26, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55012218166,26sleep30-21swapper/307:07:153
54932216150,21sleep00-21swapper/007:07:080
53882201163,24sleep20-21swapper/207:05:462
53922197157,27sleep10-21swapper/107:05:481
264672750,1sleep10-21swapper/109:45:011
231982170,0sleep121-21ksoftirqd/108:50:221
111792170,0sleep20-21swapper/207:20:002
303442140,0sleep10-21swapper/108:00:121
5805991212,0cyclictest0-21swapper/309:48:433
5805991210,1cyclictest35-21ksoftirqd/308:00:013
579799120,0cyclictest0-21swapper/210:35:122
579799119,1cyclictest28-21ksoftirqd/209:00:012
5797991110,1cyclictest28-21ksoftirqd/211:20:002
579199110,7cyclictest0-21swapper/107:10:111
578799119,1cyclictest9-21ksoftirqd/011:04:590
579799108,1cyclictest28-21ksoftirqd/208:48:322
579799108,1cyclictest28-21ksoftirqd/208:48:322
579799108,1cyclictest28-21ksoftirqd/207:35:002
579199100,6cyclictest0-21swapper/112:20:111
578799108,1cyclictest9-21ksoftirqd/007:40:000
578799102,4cyclictest2600-21sed09:14:590
5787991010,0cyclictest9-21ksoftirqd/010:30:010
251942100,0sleep30-21swapper/311:06:423
58059998,1cyclictest35-21ksoftirqd/309:00:003
58059990,5cyclictest104502sleep310:47:393
57979999,0cyclictest28-21ksoftirqd/209:24:402
57879996,1cyclictest9-21ksoftirqd/009:00:010
58059987,1cyclictest35-21ksoftirqd/312:25:003
58059987,1cyclictest35-21ksoftirqd/312:15:013
58059981,4cyclictest21665-21apt-get08:50:133
58059980,5cyclictest0-21swapper/311:30:363
58059980,2cyclictest0-21swapper/310:50:133
57979987,1cyclictest28-21ksoftirqd/212:35:012
57979986,1cyclictest61650irq/122-eno111:35:112
57979986,1cyclictest61650irq/122-eno109:25:132
57979986,1cyclictest28-21ksoftirqd/210:40:172
57979986,1cyclictest28-21ksoftirqd/209:40:012
57979980,5cyclictest61650irq/122-eno109:16:382
57979980,5cyclictest21627-21kworker/u8:109:41:232
57919980,4cyclictest0-21swapper/110:30:191
57879987,1cyclictest561-21nscd12:09:410
57879987,1cyclictest14789-21ssh10:10:180
57879986,1cyclictest32696-21apt-get10:35:120
57879986,1cyclictest28993-21ssh12:37:560
57879986,1cyclictest22308-21ntpq10:20:160
57879983,1cyclictest26584-21/usr/sbin/munin09:00:160
57879981,6cyclictest5286-1kworker/u9:211:25:140
57879981,6cyclictest1747-21ntpd10:44:520
57879980,3cyclictest2850-21apt-get09:15:130
58059976,1cyclictest35-21ksoftirqd/312:09:593
58059976,1cyclictest35-21ksoftirqd/311:40:003
58059975,1cyclictest9537-21ssh09:22:113
58059975,1cyclictest24119-21ssh11:49:413
58059975,1cyclictest2341-21ssh10:36:073
58059975,1cyclictest14910-21ntpq07:25:193
58059973,2cyclictest240-21systemd-journal10:05:003
58059973,2cyclictest15443-21ssh10:10:283
58059970,3cyclictest19012-21latency_hist11:00:003
57979976,1cyclictest61650irq/122-eno111:47:512
57979976,1cyclictest61650irq/122-eno111:25:132
57979976,1cyclictest61650irq/122-eno111:10:172
57979976,1cyclictest61650irq/122-eno111:06:092
57979976,1cyclictest61650irq/122-eno110:55:212
57979976,1cyclictest61650irq/122-eno110:45:132
57979976,1cyclictest61650irq/122-eno110:34:012
57979976,1cyclictest61650irq/122-eno110:30:012
57979976,1cyclictest61650irq/122-eno109:45:142
57979976,1cyclictest61650irq/122-eno109:13:242
57979976,1cyclictest61650irq/122-eno108:25:152
57979976,0cyclictest61650irq/122-eno111:23:522
57979975,1cyclictest61650irq/122-eno112:25:112
57979975,1cyclictest61650irq/122-eno110:05:182
57979975,1cyclictest61650irq/122-eno109:30:132
57979975,1cyclictest61650irq/122-eno108:15:002
57979975,1cyclictest2967-21cat09:55:162
57979975,1cyclictest28-21ksoftirqd/211:45:002
57979975,1cyclictest28-21ksoftirqd/208:10:002
57979975,1cyclictest28-21ksoftirqd/207:45:002
57979975,1cyclictest1049-21ntpq12:00:192
57979974,2cyclictest0-21swapper/211:32:052
57979973,2cyclictest240-21systemd-journal10:15:182
57979973,2cyclictest240-21systemd-journal10:15:002
57979971,4cyclictest12225-21apt-get08:30:122
57979970,3cyclictest0-21swapper/210:22:312
57979970,2cyclictest31077-21diskmemload12:10:142
57919972,2cyclictest0-21swapper/110:13:031
57919970,6cyclictest0-21swapper/112:25:161
57919970,4cyclictest0-21swapper/111:21:141
57919970,3cyclictest0-21swapper/108:05:121
57879976,1cyclictest22009-21ntpq07:40:190
57879975,1cyclictest9-21ksoftirqd/008:45:120
57879975,1cyclictest9-21ksoftirqd/008:45:120
57879975,1cyclictest13300-21ssh10:10:000
57879974,2cyclictest31798-21munin-plugin-st12:00:000
57879973,2cyclictest31077-21diskmemload11:50:060
57879971,6cyclictest16809-21ssh10:55:190
57879971,5cyclictest9857-21ssh11:30:140
57879971,3cyclictest0-21swapper/007:45:100
57879970,7cyclictest0-21swapper/008:33:020
57879970,6cyclictest9930-21ssh12:12:240
57879970,6cyclictest31441-21irqstats09:50:170
57879970,6cyclictest22898-21ssh11:05:080
57879970,6cyclictest17017-21ssh09:30:370
57879970,6cyclictest14322-21ssh09:28:480
57879970,6cyclictest10571-21ssh09:24:550
57879970,6cyclictest0-21swapper/010:50:190
57879970,6cyclictest0-21swapper/009:55:020
57879970,4cyclictest12090-21ssh12:15:150
57879970,2cyclictest30103-21ssh11:14:460
57879970,1cyclictest495-21tune2fs12:00:150
57879970,1cyclictest24942-21apt-get10:25:110
57879970,1cyclictest240-21systemd-journal10:50:000
57879970,1cyclictest240-21systemd-journal10:20:000
57879970,1cyclictest21378-21ssh12:27:420
57879970,1cyclictest0-21swapper/011:48:350
57879970,1cyclictest0-21swapper/011:20:370
57879970,1cyclictest0-21swapper/008:00:160
58059965,1cyclictest912-21ssh09:11:043
58059965,1cyclictest8304-21ssh11:27:443
58059965,1cyclictest809-21ssh11:17:593
58059965,1cyclictest4377-21ssh10:40:123
58059965,1cyclictest4177-21ssh09:56:153
58059965,1cyclictest4133-21ssh11:21:413
58059965,1cyclictest3772-21cat09:15:163
58059965,1cyclictest35-21ksoftirqd/311:10:133
58059965,1cyclictest31463-21ntpq08:00:183
58059965,1cyclictest29055-21ssh10:30:123
58059965,1cyclictest27239-21ssh10:26:473
58059965,1cyclictest26502-21ssh11:50:523
58059965,1cyclictest25522-21ssh09:42:313
58059965,1cyclictest24233-21ssh12:30:213
58059965,1cyclictest23416-21ssh10:21:393
58059965,1cyclictest21248-21ssh09:36:153
58059965,1cyclictest16993-21ssh09:30:353
58059965,1cyclictest14415-21ssh12:19:213
58059965,1cyclictest1063-21ntpq12:00:193
58059964,2cyclictest1982-21sendmail-mta11:44:553
58059964,0cyclictest31077-21diskmemload12:35:033
58059963,1cyclictest32652-21apt-get08:05:123
58059963,1cyclictest19114-21sh11:00:013
58059960,3cyclictest0-21swapper/310:15:243
58059960,3cyclictest0-21swapper/310:05:123
58059960,2cyclictest0-21swapper/308:45:153
58059960,2cyclictest0-21swapper/308:45:153
57979966,0cyclictest61650irq/122-eno112:35:122
57979966,0cyclictest61650irq/122-eno111:55:292
57979966,0cyclictest61650irq/122-eno110:50:102
57979966,0cyclictest61650irq/122-eno109:50:202
57979966,0cyclictest61650irq/122-eno109:00:182
57979966,0cyclictest61650irq/122-eno108:54:442
57979966,0cyclictest61650irq/122-eno108:36:462
57979966,0cyclictest61650irq/122-eno108:21:012
57979966,0cyclictest61650irq/122-eno108:15:172
57979966,0cyclictest61650irq/122-eno107:55:172
57979966,0cyclictest61650irq/122-eno107:28:332
57979966,0cyclictest61650irq/122-eno107:20:152
57979965,1cyclictest61650irq/122-eno112:15:132
57979965,1cyclictest61650irq/122-eno111:00:132
57979965,1cyclictest61650irq/122-eno110:00:122
57979965,1cyclictest28-21ksoftirqd/207:50:012
57979964,1cyclictest61650irq/122-eno111:50:112
57979964,1cyclictest28-21ksoftirqd/208:00:122
57979961,2cyclictest769-21lldpd07:49:012
57979961,2cyclictest271rcuc/207:14:592
57979960,5cyclictest0-21swapper/212:05:162
57979960,4cyclictest0-21swapper/212:20:122
57979960,2cyclictest18489-21apt-get07:35:112
57919965,1cyclictest0-21swapper/110:39:401
57919961,4cyclictest0-21swapper/109:55:101
57919961,3cyclictest0-21swapper/109:35:111
57919961,2cyclictest0-21swapper/110:20:101
57919960,6cyclictest0-21swapper/111:18:021
57919960,6cyclictest0-21swapper/111:05:491
57919960,4cyclictest0-21swapper/109:18:491
57919960,4cyclictest0-21swapper/109:14:391
57919960,4cyclictest0-21swapper/107:40:131
57919960,3cyclictest0-21swapper/110:00:581
57919960,3cyclictest0-21swapper/109:51:431
57919960,3cyclictest0-21swapper/107:30:131
57919960,2cyclictest0-21swapper/110:55:191
57919960,2cyclictest0-21swapper/110:48:541
57919960,2cyclictest0-21swapper/110:40:421
57919960,1cyclictest0-21swapper/111:00:121
57919960,1cyclictest0-21swapper/107:35:101
57879965,1cyclictest9-21ksoftirqd/007:15:010
57879965,1cyclictest28725-21hddtemp_smartct07:55:150
57879965,1cyclictest18771-21ssh11:40:210
57879965,1cyclictest17336-1kworker/u9:012:30:100
57879963,1cyclictest548-21systemd-logind08:37:080
57879962,2cyclictest240-21systemd-journal07:55:010
57879961,1cyclictest14972-21/usr/sbin/munin12:20:160
57879960,6cyclictest0-21swapper/011:15:210
57879960,6cyclictest0-21swapper/008:29:240
57879960,6cyclictest0-21swapper/008:23:580
57879960,5cyclictest6050-21ssh10:00:090
57879960,5cyclictest18391-21sed07:35:000
57879960,3cyclictest0-21swapper/007:25:130
57879960,2cyclictest0-21swapper/009:40:150
57879960,1cyclictest20119-21ssh09:35:170
57879960,0cyclictest31077-21diskmemload11:35:440
57879960,0cyclictest0-21swapper/009:46:340
21266260,0sleep30-21swapper/312:27:243
7595250,1sleep10-21swapper/111:25:451
58059955,0cyclictest35-21ksoftirqd/308:30:013
58059954,1cyclictest35-21ksoftirqd/307:24:133
58059954,1cyclictest11087-21ssh09:25:083
58059954,0cyclictest31077-21diskmemload09:54:383
58059953,1cyclictest35-21ksoftirqd/309:02:333
58059953,1cyclictest16972-21/usr/sbin/munin08:40:123
58059952,2cyclictest4706-21apt-get08:15:003
58059951,1cyclictest240-21systemd-journal08:20:003
58059951,1cyclictest0-21swapper/311:55:123
58059950,5cyclictest0-21swapper/309:09:173
58059950,5cyclictest0-21swapper/308:35:313
58059950,1cyclictest0-21swapper/307:50:133
57979955,0cyclictest61650irq/122-eno108:40:152
57979954,1cyclictest61650irq/122-eno109:05:172
57919955,0cyclictest0-21swapper/111:54:171
57919953,1cyclictest157252sleep107:27:561
57919952,2cyclictest0-21swapper/111:10:101
57919951,2cyclictest0-21swapper/111:56:251
57919951,1cyclictest0-21swapper/109:05:231
57919950,5cyclictest0-21swapper/109:26:061
57919950,5cyclictest0-21swapper/108:56:421
57919950,5cyclictest0-21swapper/108:45:171
57919950,5cyclictest0-21swapper/108:45:161
57919950,5cyclictest0-21swapper/107:56:311
57919950,5cyclictest0-21swapper/107:51:291
57919950,5cyclictest0-21swapper/107:18:531
57919950,4cyclictest16650-21taskset11:39:591
57919950,4cyclictest11561-21taskset10:50:041
57919950,3cyclictest0-21swapper/112:17:041
57919950,3cyclictest0-21swapper/112:10:211
57919950,3cyclictest0-21swapper/111:48:311
57919950,3cyclictest0-21swapper/111:32:251
57919950,3cyclictest0-21swapper/110:05:121
57919950,2cyclictest0-21swapper/112:32:221
57919950,2cyclictest0-21swapper/112:02:301
57919950,2cyclictest0-21swapper/109:00:091
57919950,1cyclictest0-21swapper/112:35:071
57919950,1cyclictest0-21swapper/111:40:111
57919950,0cyclictest0-21swapper/109:48:071
57919950,0cyclictest0-21swapper/109:30:191
57919950,0cyclictest0-21swapper/108:22:491
57879952,1cyclictest9-21ksoftirqd/008:15:300
57879950,2cyclictest0-21swapper/009:05:110
57879950,1cyclictest0-21swapper/008:40:110
57879950,0cyclictest0-21swapper/008:50:070
57879950,0cyclictest0-21swapper/008:05:190
57879950,0cyclictest0-21swapper/007:24:490
5485250,1sleep10-21swapper/112:05:311
58059944,0cyclictest7403-21sensors07:10:193
58059943,1cyclictest35-21ksoftirqd/307:35:133
58059943,1cyclictest16261-21sh07:30:113
58059943,1cyclictest13650irq/124-ahci[0007:15:003
58059942,1cyclictest9873-21munin-node08:25:113
58059942,1cyclictest7132-21sshd08:18:333
58059942,1cyclictest20867-21apt-get07:40:133
58059941,1cyclictest23218-21apt-get07:45:103
57919944,0cyclictest0-21swapper/108:28:511
57919941,2cyclictest0-21swapper/108:40:121
57919941,2cyclictest0-21swapper/107:45:111
57919940,3cyclictest0-21swapper/110:27:271
57919940,3cyclictest0-21swapper/110:15:041
57919940,2cyclictest0-21swapper/108:40:001
57919940,1cyclictest0-21swapper/109:20:231
57919940,1cyclictest0-21swapper/108:15:011
57919940,1cyclictest0-21swapper/107:20:141
57879943,1cyclictest2734-21telnet08:10:130
57879940,4cyclictest0-21swapper/007:10:180
57919931,1cyclictest0-21swapper/108:30:111
57919931,1cyclictest0-21swapper/108:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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