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2026-09-06 - 18:18
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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 highest latencies:
System rack1slot1.osadl.org (updated Sun Sep 06, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321992208154,40sleep10-21swapper/107:07:211
322052201162,25sleep20-21swapper/207:07:272
321742201161,27sleep30-21swapper/307:07:043
320832200162,24sleep00-21swapper/007:05:520
206032710,0sleep10-21swapper/111:20:121
26502590,0sleep00-21swapper/008:20:130
32508992321,1cyclictest35-21ksoftirqd/312:20:153
32508991818,0cyclictest35-21ksoftirqd/311:49:273
32508991817,1cyclictest35-21ksoftirqd/309:54:313
32508991716,1cyclictest35-21ksoftirqd/312:25:143
3250899167,8cyclictest35-21ksoftirqd/311:40:193
32508991616,0cyclictest35-21ksoftirqd/310:55:103
32508991616,0cyclictest35-21ksoftirqd/309:19:373
32508991615,1cyclictest35-21ksoftirqd/307:25:143
3250899157,8cyclictest35-21ksoftirqd/307:30:183
32508991515,0cyclictest35-21ksoftirqd/311:26:363
32508991515,0cyclictest35-21ksoftirqd/310:46:453
32508991515,0cyclictest35-21ksoftirqd/310:25:333
32508991414,0cyclictest35-21ksoftirqd/309:26:243
32508991414,0cyclictest35-21ksoftirqd/308:40:133
32508991413,1cyclictest35-21ksoftirqd/311:15:003
32508991412,1cyclictest35-21ksoftirqd/308:00:003
32508991412,1cyclictest35-21ksoftirqd/307:50:013
3249499140,13cyclictest0-21swapper/108:20:131
3248799140,13cyclictest6711-21chrt08:30:110
32508991313,0cyclictest35-21ksoftirqd/311:37:233
32508991313,0cyclictest35-21ksoftirqd/311:22:183
32508991313,0cyclictest35-21ksoftirqd/310:38:563
32508991313,0cyclictest35-21ksoftirqd/309:32:303
32508991312,1cyclictest35-21ksoftirqd/311:59:593
32508991312,1cyclictest35-21ksoftirqd/309:20:113
32508991312,1cyclictest35-21ksoftirqd/308:24:593
32508991312,1cyclictest35-21ksoftirqd/307:25:003
32508991312,0cyclictest35-21ksoftirqd/309:10:003
32508991311,1cyclictest35-21ksoftirqd/312:40:003
32508991311,1cyclictest35-21ksoftirqd/310:15:123
32508991311,1cyclictest35-21ksoftirqd/308:05:013
32508991212,0cyclictest35-21ksoftirqd/312:32:383
32508991212,0cyclictest35-21ksoftirqd/309:59:213
32508991211,1cyclictest35-21ksoftirqd/312:15:003
32508991211,1cyclictest35-21ksoftirqd/311:00:133
32508991211,1cyclictest35-21ksoftirqd/310:10:003
32508991211,1cyclictest35-21ksoftirqd/309:45:123
32508991211,1cyclictest35-21ksoftirqd/309:45:113
32508991211,1cyclictest35-21ksoftirqd/309:14:593
32508991211,1cyclictest35-21ksoftirqd/308:20:003
32508991211,1cyclictest35-21ksoftirqd/308:14:593
32508991211,1cyclictest35-21ksoftirqd/307:19:593
32508991210,1cyclictest35-21ksoftirqd/311:50:153
32508991210,1cyclictest35-21ksoftirqd/311:30:183
32508991210,1cyclictest35-21ksoftirqd/311:15:123
32508991210,1cyclictest35-21ksoftirqd/310:40:203
32508991210,1cyclictest35-21ksoftirqd/310:35:013
32508991210,1cyclictest35-21ksoftirqd/310:10:003
32508991210,1cyclictest35-21ksoftirqd/309:35:153
32508991210,1cyclictest35-21ksoftirqd/307:44:593
32508991210,1cyclictest35-21ksoftirqd/307:35:203
32508991210,1cyclictest35-21ksoftirqd/307:15:003
3249499120,12cyclictest0-21swapper/108:55:131
3248799123,4cyclictest7858-21date07:25:000
32487991211,1cyclictest9-21ksoftirqd/010:54:590
3250899119,1cyclictest35-21ksoftirqd/312:05:123
3250899119,1cyclictest35-21ksoftirqd/308:55:143
3250899119,1cyclictest35-21ksoftirqd/308:50:203
3250899119,1cyclictest35-21ksoftirqd/308:45:203
3250899119,1cyclictest35-21ksoftirqd/308:35:003
3250899119,1cyclictest35-21ksoftirqd/308:25:133
3250899116,3cyclictest35-21ksoftirqd/310:24:573
32508991111,0cyclictest35-21ksoftirqd/312:15:143
32508991111,0cyclictest35-21ksoftirqd/310:00:113
32508991110,1cyclictest35-21ksoftirqd/312:00:113
32508991110,1cyclictest35-21ksoftirqd/311:05:153
32508991110,1cyclictest35-21ksoftirqd/310:50:143
32508991110,1cyclictest35-21ksoftirqd/309:00:143
32508991110,1cyclictest35-21ksoftirqd/308:35:163
32508991110,1cyclictest35-21ksoftirqd/307:55:013
3248799119,1cyclictest9-21ksoftirqd/012:15:130
3248799119,1cyclictest9-21ksoftirqd/010:05:110
32487991110,1cyclictest9-21ksoftirqd/010:35:190
3250899109,1cyclictest35-21ksoftirqd/308:05:013
32508991010,0cyclictest35-21ksoftirqd/309:40:193
3250199101,7cyclictest25341-21diskmemload09:40:102
3248799109,1cyclictest9-21ksoftirqd/010:45:130
3248799109,1cyclictest9-21ksoftirqd/010:20:000
3248799108,1cyclictest9-21ksoftirqd/010:30:140
3248799108,1cyclictest9-21ksoftirqd/009:40:160
3248799108,1cyclictest2394-21turbostat.cron07:14:590
3248799100,5cyclictest17034-21apt-get11:15:110
325019998,1cyclictest28-21ksoftirqd/211:45:142
325019998,1cyclictest28-21ksoftirqd/207:35:002
325019997,1cyclictest28-21ksoftirqd/211:28:222
325019995,4cyclictest28-21ksoftirqd/212:37:232
325019994,2cyclictest240-21systemd-journal10:45:012
325019990,7cyclictest11301-21snmpd12:10:262
325019990,5cyclictest11301-21snmpd11:30:072
324949990,4cyclictest0-21swapper/109:30:221
324879999,0cyclictest9-21ksoftirqd/011:50:210
324879998,1cyclictest9-21ksoftirqd/012:05:130
324879998,1cyclictest9-21ksoftirqd/011:20:150
324879998,1cyclictest9-21ksoftirqd/009:35:130
324879998,1cyclictest9-21ksoftirqd/009:30:000
324879998,1cyclictest9-21ksoftirqd/009:10:160
324879998,1cyclictest9-21ksoftirqd/009:05:190
324879998,1cyclictest9-21ksoftirqd/008:50:010
324879998,1cyclictest9-21ksoftirqd/008:25:140
324879998,1cyclictest9-21ksoftirqd/008:15:000
324879998,0cyclictest9-21ksoftirqd/010:10:000
324879997,1cyclictest954-21cut09:20:140
324879997,1cyclictest9-21ksoftirqd/011:45:200
324879997,1cyclictest9-21ksoftirqd/008:15:120
324879993,5cyclictest12817-21kworker/0:012:10:200
324879992,4cyclictest14959-21perf07:40:000
325019986,1cyclictest61650irq/122-eno111:40:162
325019986,1cyclictest61650irq/122-eno110:04:592
325019986,1cyclictest61650irq/122-eno107:25:192
325019986,1cyclictest25341-21diskmemload12:30:152
325019986,1cyclictest11301-21snmpd07:11:352
325019982,1cyclictest0-21swapper/208:55:142
325019980,7cyclictest22399-21apt-get07:55:122
324879988,0cyclictest9-21ksoftirqd/012:20:130
324879988,0cyclictest9-21ksoftirqd/010:25:120
324879987,1cyclictest9-21ksoftirqd/012:27:570
324879987,1cyclictest9-21ksoftirqd/011:40:160
324879987,1cyclictest9-21ksoftirqd/011:05:140
324879987,1cyclictest9-21ksoftirqd/011:05:000
324879987,1cyclictest9-21ksoftirqd/010:55:130
324879987,1cyclictest9-21ksoftirqd/010:20:140
324879986,1cyclictest9-21ksoftirqd/009:30:180
324879986,1cyclictest9-21ksoftirqd/009:00:010
324879986,1cyclictest9-21ksoftirqd/008:40:140
324879986,1cyclictest9-21ksoftirqd/008:39:590
324879986,1cyclictest32353-21ssh11:35:190
324879986,1cyclictest11301-21snmpd11:55:470
324879986,1cyclictest11301-21snmpd09:04:380
324879986,1cyclictest11301-21snmpd08:02:390
324879981,6cyclictest27379-21ssh09:55:330
325019977,0cyclictest28-21ksoftirqd/210:50:012
325019976,1cyclictest61650irq/122-eno111:57:482
325019976,1cyclictest61650irq/122-eno111:37:182
325019976,1cyclictest61650irq/122-eno111:00:142
325019976,1cyclictest61650irq/122-eno110:55:492
325019976,1cyclictest61650irq/122-eno110:33:552
325019976,1cyclictest61650irq/122-eno110:26:072
325019976,1cyclictest61650irq/122-eno109:11:072
325019975,1cyclictest61650irq/122-eno109:32:532
325019975,1cyclictest61650irq/122-eno109:28:522
325019975,1cyclictest61650irq/122-eno109:15:172
325019975,1cyclictest61650irq/122-eno108:25:182
325019975,1cyclictest28-21ksoftirqd/212:05:032
325019975,1cyclictest28-21ksoftirqd/209:20:142
325019975,1cyclictest28-21ksoftirqd/208:10:002
325019975,1cyclictest12421-21unixbench-2d10:20:192
325019975,1cyclictest11301-21snmpd10:17:192
325019975,1cyclictest11301-21snmpd08:40:072
325019973,2cyclictest548-21systemd-logind11:20:202
325019973,2cyclictest240-21systemd-journal07:39:592
325019971,6cyclictest0-21swapper/210:10:102
325019970,4cyclictest0-21swapper/211:17:012
325019970,1cyclictest0-21swapper/209:57:132
324949971,6cyclictest0-21swapper/109:43:451
324949971,2cyclictest0-21swapper/112:25:001
324949971,1cyclictest0-21swapper/111:05:051
324949970,6cyclictest0-21swapper/111:35:161
324949970,5cyclictest0-21swapper/107:36:521
324949970,1cyclictest0-21swapper/110:02:411
324949970,1cyclictest0-21swapper/109:39:051
324879977,0cyclictest9-21ksoftirqd/012:35:150
324879977,0cyclictest9-21ksoftirqd/012:30:200
324879976,1cyclictest9-21ksoftirqd/011:12:090
324879976,1cyclictest11301-21snmpd07:58:480
324879975,0cyclictest25341-21diskmemload09:15:500
324879973,2cyclictest548-21systemd-logind07:50:180
324879973,0cyclictest0-21swapper/009:45:180
324879973,0cyclictest0-21swapper/009:45:170
324879971,6cyclictest24864-21ssh09:53:460
324879970,6cyclictest24846-21hddtemp_smartct11:25:140
324879970,6cyclictest0-21swapper/010:40:180
324879970,6cyclictest0-21swapper/007:15:020
324879970,1cyclictest0-21swapper/012:00:180
324879970,1cyclictest0-21swapper/011:30:130
324879970,1cyclictest0-21swapper/008:08:140
325019966,0cyclictest61650irq/122-eno112:25:192
325019966,0cyclictest61650irq/122-eno112:20:102
325019966,0cyclictest61650irq/122-eno112:15:152
325019966,0cyclictest61650irq/122-eno112:00:522
325019966,0cyclictest61650irq/122-eno111:10:452
325019966,0cyclictest61650irq/122-eno110:35:152
325019966,0cyclictest61650irq/122-eno109:50:052
325019966,0cyclictest61650irq/122-eno109:45:142
325019966,0cyclictest61650irq/122-eno109:45:132
325019966,0cyclictest61650irq/122-eno109:35:042
325019966,0cyclictest61650irq/122-eno109:00:172
325019966,0cyclictest61650irq/122-eno108:50:462
325019966,0cyclictest61650irq/122-eno108:45:122
325019966,0cyclictest61650irq/122-eno108:35:232
325019966,0cyclictest61650irq/122-eno107:50:112
325019966,0cyclictest61650irq/122-eno107:45:282
325019965,1cyclictest61650irq/122-eno110:50:112
325019965,1cyclictest11301-21snmpd08:34:002
325019965,1cyclictest11256-21ntpq11:05:172
325019964,1cyclictest61650irq/122-eno108:10:162
325019964,1cyclictest61650irq/122-eno108:00:172
325019964,1cyclictest1267-21ntp_states10:05:182
325019963,1cyclictest0-21swapper/211:50:162
325019961,5cyclictest0-21swapper/208:16:202
325019960,2cyclictest0-21swapper/208:20:192
324949963,0cyclictest0-21swapper/107:21:491
324949960,6cyclictest0-21swapper/111:34:111
324949960,6cyclictest0-21swapper/110:49:051
324949960,6cyclictest0-21swapper/109:50:051
324949960,5cyclictest0-21swapper/107:15:131
324949960,4cyclictest0-21swapper/111:42:511
324949960,4cyclictest0-21swapper/110:52:561
324949960,4cyclictest0-21swapper/108:10:171
324949960,2cyclictest0-21swapper/110:58:131
324949960,1cyclictest42252sleep109:25:031
324949960,1cyclictest0-21swapper/107:53:571
324879965,1cyclictest9-21ksoftirqd/008:50:100
324879961,4cyclictest10557-21telnet07:30:110
324879960,6cyclictest0-21swapper/007:45:170
324879960,1cyclictest0-21swapper/007:40:120
324879960,0cyclictest25341-21diskmemload10:01:090
325019955,0cyclictest61650irq/122-eno109:05:102
325019955,0cyclictest61650irq/122-eno107:41:142
325019955,0cyclictest61650irq/122-eno107:20:102
325019953,1cyclictest1-21systemd07:15:012
324949955,0cyclictest0-21swapper/112:11:581
324949955,0cyclictest0-21swapper/110:28:591
324949952,1cyclictest0-21swapper/110:21:021
324949950,5cyclictest0-21swapper/112:08:161
324949950,5cyclictest0-21swapper/112:00:361
324949950,5cyclictest0-21swapper/111:12:151
324949950,5cyclictest0-21swapper/110:16:171
324949950,5cyclictest0-21swapper/109:11:321
324949950,5cyclictest0-21swapper/109:09:061
324949950,5cyclictest0-21swapper/108:43:031
324949950,5cyclictest0-21swapper/108:34:551
324949950,5cyclictest0-21swapper/108:05:451
324949950,5cyclictest0-21swapper/108:02:051
324949950,5cyclictest0-21swapper/107:44:021
324949950,5cyclictest0-21swapper/107:31:001
324949950,5cyclictest0-21swapper/107:11:471
324949950,4cyclictest0-21swapper/111:25:231
324949950,4cyclictest0-21swapper/109:45:161
324949950,4cyclictest0-21swapper/109:45:151
324949950,4cyclictest0-21swapper/108:00:001
324949950,3cyclictest0-21swapper/112:25:121
324949950,3cyclictest0-21swapper/110:08:571
324949950,3cyclictest0-21swapper/109:00:111
324949950,2cyclictest0-21swapper/112:35:571
324949950,2cyclictest0-21swapper/111:55:571
324949950,2cyclictest0-21swapper/111:53:571
324949950,2cyclictest0-21swapper/110:40:131
324949950,2cyclictest0-21swapper/110:13:311
324949950,2cyclictest0-21swapper/109:15:181
324949950,1cyclictest0-21swapper/108:50:111
324879950,2cyclictest0-21swapper/007:25:100
324949942,1cyclictest0-21swapper/110:35:171
324949941,2cyclictest0-21swapper/112:15:011
324949941,2cyclictest0-21swapper/111:00:121
324949941,2cyclictest0-21swapper/110:30:121
324949940,4cyclictest0-21swapper/109:20:201
324949940,4cyclictest0-21swapper/108:46:421
324949940,4cyclictest0-21swapper/108:35:301
324949940,3cyclictest0-21swapper/112:31:241
324949940,3cyclictest0-21swapper/109:55:131
324949940,2cyclictest0-21swapper/108:25:101
324949940,2cyclictest0-21swapper/108:15:111
324949940,1cyclictest0-21swapper/111:45:141
324949940,1cyclictest0-21swapper/111:15:101
324949940,0cyclictest0-21swapper/107:25:191
324949931,1cyclictest0-21swapper/107:45:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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