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2026-06-15 - 01:35
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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 Mon Jun 15, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60592210150,22sleep30-21swapper/319:09:293
59402208174,23sleep10-21swapper/119:07:541
60802205167,24sleep20-21swapper/219:09:442
58822200164,23sleep00-21swapper/019:07:090
307622750,0sleep10-21swapper/121:50:221
41152740,1sleep1111rcu_preempt20:10:121
158712640,1sleep331669-21diskmemload23:00:133
68062290,0sleep10-21swapper/120:15:181
19222160,0sleep10-21swapper/122:40:151
6189991414,0cyclictest28-21ksoftirqd/222:39:352
6173991311,1cyclictest9-21ksoftirqd/020:20:000
6189991211,1cyclictest28-21ksoftirqd/223:15:192
6189991211,1cyclictest28-21ksoftirqd/222:35:002
6189991211,1cyclictest28-21ksoftirqd/220:50:212
6189991211,1cyclictest28-21ksoftirqd/220:30:002
6189991211,1cyclictest28-21ksoftirqd/220:00:002
6189991210,1cyclictest12424-21awk22:10:182
6173991211,1cyclictest9-21ksoftirqd/019:34:590
6195991110,1cyclictest35-21ksoftirqd/322:55:003
6189991110,1cyclictest28-21ksoftirqd/200:15:012
618999110,11cyclictest0-21swapper/221:13:342
618999110,0cyclictest0-21swapper/222:15:122
6181991111,0cyclictest0-21swapper/122:35:101
617399119,1cyclictest9-21ksoftirqd/021:40:130
617399113,4cyclictest21918-21latency_hist22:25:000
6173991111,0cyclictest9-21ksoftirqd/021:28:580
6173991110,1cyclictest9-21ksoftirqd/022:35:000
6173991110,1cyclictest9-21ksoftirqd/022:05:150
6173991110,1cyclictest9-21ksoftirqd/021:10:110
6173991110,1cyclictest9-21ksoftirqd/021:00:000
619599109,1cyclictest35-21ksoftirqd/323:10:003
618999109,1cyclictest28-21ksoftirqd/222:25:122
618999109,1cyclictest28-21ksoftirqd/221:09:592
618999109,1cyclictest28-21ksoftirqd/220:30:152
618999109,1cyclictest28-21ksoftirqd/219:45:012
618999109,1cyclictest28-21ksoftirqd/219:30:152
618999109,1cyclictest28-21ksoftirqd/219:20:142
618999102,7cyclictest11649-21cat21:25:172
6189991010,0cyclictest28-21ksoftirqd/223:20:132
6189991010,0cyclictest28-21ksoftirqd/222:50:132
6189991010,0cyclictest28-21ksoftirqd/200:31:052
6189991010,0cyclictest1536-21fschecks_time22:40:142
618999100,4cyclictest0-21swapper/220:00:122
618999100,2cyclictest0-21swapper/200:26:032
618999100,0cyclictest0-21swapper/223:35:002
617399109,1cyclictest9-21ksoftirqd/023:50:000
617399109,1cyclictest9-21ksoftirqd/023:35:100
617399109,1cyclictest9-21ksoftirqd/022:55:180
617399109,1cyclictest9-21ksoftirqd/022:35:150
617399108,1cyclictest9-21ksoftirqd/020:35:000
617399108,1cyclictest9-21ksoftirqd/000:00:140
617399107,1cyclictest9-21ksoftirqd/021:39:550
617399102,4cyclictest1244-21grep23:25:010
617399100,3cyclictest23401-21apt-get23:55:120
61959998,1cyclictest35-21ksoftirqd/319:45:013
61959998,1cyclictest35-21ksoftirqd/300:35:003
61959997,1cyclictest35-21ksoftirqd/319:45:123
61899999,0cyclictest28-21ksoftirqd/222:49:552
61899999,0cyclictest28-21ksoftirqd/222:23:322
61899999,0cyclictest28-21ksoftirqd/222:00:132
61899999,0cyclictest28-21ksoftirqd/219:15:112
61899999,0cyclictest28-21ksoftirqd/200:05:322
61899998,1cyclictest28-21ksoftirqd/223:45:002
61899998,1cyclictest28-21ksoftirqd/223:30:122
61899998,1cyclictest28-21ksoftirqd/223:10:142
61899998,1cyclictest28-21ksoftirqd/223:00:192
61899998,1cyclictest28-21ksoftirqd/222:08:442
61899998,1cyclictest28-21ksoftirqd/221:35:142
61899997,1cyclictest28-21ksoftirqd/223:05:132
61899997,1cyclictest28-21ksoftirqd/221:00:002
61899997,1cyclictest28-21ksoftirqd/220:35:152
61819991,8cyclictest0-21swapper/122:47:151
61819990,9cyclictest0-21swapper/100:17:151
61739999,0cyclictest9-21ksoftirqd/021:53:330
61739999,0cyclictest9-21ksoftirqd/019:20:110
61739998,1cyclictest9-21ksoftirqd/023:50:130
61739998,1cyclictest9-21ksoftirqd/023:15:190
61739998,1cyclictest9-21ksoftirqd/021:30:140
61739998,1cyclictest9-21ksoftirqd/021:30:140
61739998,1cyclictest9-21ksoftirqd/021:15:140
61739998,1cyclictest9-21ksoftirqd/019:15:140
61739998,1cyclictest9-21ksoftirqd/000:20:160
61739997,1cyclictest9-21ksoftirqd/023:15:010
61739997,1cyclictest9-21ksoftirqd/020:50:210
61739997,1cyclictest9-21ksoftirqd/000:29:030
61739990,7cyclictest1029-21snmpd23:28:090
61739990,4cyclictest27188-21apt-get21:00:120
61959987,1cyclictest35-21ksoftirqd/323:35:003
61959987,1cyclictest35-21ksoftirqd/322:40:003
61959987,1cyclictest35-21ksoftirqd/320:30:003
61959986,1cyclictest1029-21snmpd23:58:573
61959986,1cyclictest1029-21snmpd23:44:363
61959986,1cyclictest1029-21snmpd20:23:163
61959981,5cyclictest14481-21apt-get21:30:123
61959981,5cyclictest14481-21apt-get21:30:123
61899988,0cyclictest28-21ksoftirqd/221:55:312
61899988,0cyclictest28-21ksoftirqd/221:49:322
61899988,0cyclictest28-21ksoftirqd/221:40:192
61899988,0cyclictest28-21ksoftirqd/221:15:042
61899988,0cyclictest28-21ksoftirqd/200:19:072
61899988,0cyclictest28-21ksoftirqd/200:03:252
61899987,1cyclictest28-21ksoftirqd/223:46:292
61899987,1cyclictest28-21ksoftirqd/221:30:152
61899987,1cyclictest28-21ksoftirqd/221:30:142
61899987,1cyclictest28-21ksoftirqd/221:21:472
61899987,1cyclictest28-21ksoftirqd/200:36:232
61899987,1cyclictest28-21ksoftirqd/200:20:192
61899986,1cyclictest61650irq/122-eno120:40:112
61899986,1cyclictest28-21ksoftirqd/219:45:002
61899981,5cyclictest31669-21diskmemload21:50:162
61899980,7cyclictest0-21swapper/222:55:122
61899980,6cyclictest1029-21snmpd23:50:302
61739988,0cyclictest9-21ksoftirqd/023:00:160
61739988,0cyclictest9-21ksoftirqd/021:20:120
61739987,1cyclictest9-21ksoftirqd/022:45:140
61739987,1cyclictest9-21ksoftirqd/020:35:120
61739987,1cyclictest9-21ksoftirqd/020:05:000
61739987,1cyclictest9-21ksoftirqd/019:50:110
61739987,1cyclictest9-21ksoftirqd/000:30:180
61739987,1cyclictest9-21ksoftirqd/000:15:130
61739986,1cyclictest9-21ksoftirqd/020:15:000
61739986,1cyclictest9-21ksoftirqd/000:10:130
61739984,2cyclictest240-21systemd-journal00:10:000
61739981,1cyclictest0-21swapper/023:40:220
61739980,4cyclictest0-21swapper/022:25:160
19378280,0sleep10-21swapper/120:40:221
61959976,1cyclictest35-21ksoftirqd/320:59:593
61959976,1cyclictest35-21ksoftirqd/320:41:323
61959976,1cyclictest35-21ksoftirqd/319:55:003
61959975,1cyclictest9686-21cat23:35:153
61959975,1cyclictest6954-21ssh22:47:133
61959975,1cyclictest675-21ssh00:07:103
61959975,1cyclictest29390-21cat19:55:163
61959975,1cyclictest19037-21ssh23:48:413
61959975,1cyclictest1029-21snmpd23:13:083
61959975,1cyclictest1029-21snmpd21:56:523
61959975,1cyclictest1029-21snmpd21:03:113
61959973,3cyclictest30260-21apt-get23:20:113
61959972,2cyclictest31669-21diskmemload00:16:473
61959971,4cyclictest6390-21apt-get19:10:113
61959971,1cyclictest20733-21uniq00:35:143
61959970,5cyclictest31669-21diskmemload00:13:213
61959970,3cyclictest0-21swapper/321:17:013
61899977,0cyclictest28-21ksoftirqd/223:57:402
61899977,0cyclictest28-21ksoftirqd/223:29:092
61899976,1cyclictest28-21ksoftirqd/220:45:132
61899976,1cyclictest28-21ksoftirqd/220:05:162
61899976,1cyclictest28-21ksoftirqd/219:10:182
61899975,1cyclictest61650irq/122-eno119:35:152
61899975,1cyclictest28-21ksoftirqd/220:15:142
61899970,6cyclictest0-21swapper/219:52:122
61819973,0cyclictest0-21swapper/123:10:031
61819971,6cyclictest0-21swapper/100:21:431
61819971,6cyclictest0-21swapper/100:13:581
61819970,6cyclictest0-21swapper/123:15:151
61819970,4cyclictest0-21swapper/121:22:051
61819970,1cyclictest0-21swapper/122:58:291
61739977,0cyclictest9-21ksoftirqd/022:50:130
61739977,0cyclictest9-21ksoftirqd/020:45:190
61739977,0cyclictest9-21ksoftirqd/000:35:110
61739976,1cyclictest9-21ksoftirqd/023:30:120
61739976,1cyclictest9-21ksoftirqd/022:10:120
61739976,1cyclictest9-21ksoftirqd/021:55:120
61739976,1cyclictest9-21ksoftirqd/021:45:130
61739976,1cyclictest9-21ksoftirqd/019:55:180
61739976,1cyclictest1029-21snmpd19:35:090
61739975,1cyclictest1029-21snmpd19:46:000
61739970,6cyclictest0-21swapper/019:28:060
61739970,6cyclictest0-21swapper/019:10:110
61739970,3cyclictest0-21swapper/022:00:110
61739970,1cyclictest3594-21ssh22:43:040
61739970,1cyclictest0-21swapper/022:16:000
61739970,1cyclictest0-21swapper/020:25:130
23304277,0sleep10-21swapper/119:44:231
61959965,1cyclictest8018-21ntpq21:20:153
61959965,1cyclictest35-21ksoftirqd/320:49:143
61959965,1cyclictest35-21ksoftirqd/320:10:003
61959965,1cyclictest35-21ksoftirqd/319:25:113
61959965,1cyclictest21409-21ssh21:39:493
61959965,1cyclictest21194-21ssh22:23:003
61959964,1cyclictest1029-21snmpd23:27:213
61959964,1cyclictest1029-21snmpd22:10:313
61959964,1cyclictest1029-21snmpd21:10:063
61959963,2cyclictest696-21apt-config22:40:003
61959963,2cyclictest30135-21fschecks_count21:05:153
61959963,1cyclictest31669-21diskmemload21:54:093
61959963,1cyclictest240-21systemd-journal21:49:563
61959963,1cyclictest240-21systemd-journal20:55:003
61959963,1cyclictest240-21systemd-journal19:20:003
61959963,1cyclictest21796-21apt-get21:40:123
61959962,2cyclictest19764-21apt-get23:50:123
61959961,3cyclictest10601-21/usr/sbin/munin00:20:213
61959961,0cyclictest31669-21diskmemload00:26:213
61959960,6cyclictest16966-21ssh22:16:213
61959960,4cyclictest31669-21diskmemload21:26:563
61959960,4cyclictest0-21swapper/323:18:413
61959960,4cyclictest0-21swapper/322:55:463
61959960,3cyclictest0-21swapper/322:25:153
61959960,3cyclictest0-21swapper/322:02:013
61899966,0cyclictest61650irq/122-eno121:00:062
61899965,1cyclictest28-21ksoftirqd/220:10:162
61899965,1cyclictest28-21ksoftirqd/219:25:162
61819960,6cyclictest0-21swapper/122:53:081
61819960,6cyclictest0-21swapper/122:00:191
61819960,6cyclictest0-21swapper/121:58:521
61819960,6cyclictest0-21swapper/120:45:471
61819960,6cyclictest0-21swapper/120:22:101
61819960,6cyclictest0-21swapper/119:45:271
61819960,6cyclictest0-21swapper/100:08:561
61819960,5cyclictest0-21swapper/121:15:411
61819960,5cyclictest0-21swapper/119:30:031
61819960,4cyclictest0-21swapper/121:40:131
61819960,3cyclictest0-21swapper/122:25:101
61819960,3cyclictest0-21swapper/122:20:111
61819960,2cyclictest0-21swapper/123:37:271
61739965,1cyclictest9-21ksoftirqd/020:05:150
61739960,6cyclictest0-21swapper/020:44:520
61739960,0cyclictest0-21swapper/023:05:060
61739960,0cyclictest0-21swapper/021:08:400
61739960,0cyclictest0-21swapper/020:21:110
61739960,0cyclictest0-21swapper/019:40:540
61959954,1cyclictest35-21ksoftirqd/319:20:093
61959954,1cyclictest25785-21ssh22:30:083
61959953,1cyclictest35-21ksoftirqd/322:05:143
61959953,1cyclictest1029-21snmpd19:37:173
61959952,2cyclictest12820-21apt-get20:30:113
61959952,1cyclictest31669-21diskmemload00:00:183
61959951,1cyclictest0-21swapper/320:35:133
61959950,5cyclictest0-21swapper/320:15:293
61959950,5cyclictest0-21swapper/320:01:343
61959950,5cyclictest0-21swapper/319:30:233
61959950,0cyclictest0-21swapper/320:06:123
61899954,1cyclictest28-21ksoftirqd/220:20:122
61819955,0cyclictest0-21swapper/123:40:351
61819955,0cyclictest0-21swapper/123:30:321
61819955,0cyclictest0-21swapper/123:23:191
61819955,0cyclictest0-21swapper/123:01:161
61819952,2cyclictest14934-21chrt00:26:101
61819951,1cyclictest0-21swapper/123:05:141
61819950,5cyclictest0-21swapper/122:32:341
61819950,5cyclictest0-21swapper/121:10:061
61819950,5cyclictest0-21swapper/120:55:431
61819950,5cyclictest0-21swapper/120:25:151
61819950,5cyclictest0-21swapper/119:50:161
61819950,4cyclictest0-21swapper/123:54:441
61819950,4cyclictest0-21swapper/121:33:241
61819950,4cyclictest0-21swapper/121:33:241
61819950,4cyclictest0-21swapper/120:35:211
61819950,3cyclictest0-21swapper/123:45:181
61819950,3cyclictest0-21swapper/100:36:311
61819950,3cyclictest0-21swapper/100:30:121
61819950,2cyclictest0-21swapper/122:08:201
61819950,2cyclictest0-21swapper/119:35:171
61819950,1cyclictest0-21swapper/121:49:301
61819950,1cyclictest0-21swapper/120:50:111
61819943,1cyclictest200242sleep121:35:401
61819941,1cyclictest0-21swapper/121:10:001
61819941,0cyclictest0-21swapper/122:10:201
61819940,4cyclictest0-21swapper/119:26:091
61819940,4cyclictest0-21swapper/119:24:011
61819940,3cyclictest0-21swapper/121:25:291
61819940,3cyclictest0-21swapper/100:02:181
61819940,2cyclictest0-21swapper/123:55:201
61819940,2cyclictest0-21swapper/123:25:131
61819940,1cyclictest0-21swapper/122:15:181
61819940,0cyclictest0-21swapper/120:34:111
61819940,0cyclictest0-21swapper/119:16:081
61819940,0cyclictest0-21swapper/119:14:581
61819931,1cyclictest0-21swapper/119:55:111
61819930,1cyclictest0-21swapper/120:05:131
61819930,1cyclictest0-21swapper/120:00:141
61819930,0cyclictest0-21swapper/121:00:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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