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2025-12-21 - 04:36
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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 Dec 21, 2025 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28532210176,22sleep30-21swapper/319:08:273
25112199159,26sleep20-21swapper/219:05:252
28242198161,24sleep10-21swapper/119:08:051
26422197159,24sleep00-21swapper/019:05:430
181512150,0sleep10-21swapper/120:45:201
3069991313,0cyclictest0-21swapper/021:50:150
3069991311,1cyclictest9-21ksoftirqd/021:40:000
3098991211,1cyclictest35-21ksoftirqd/300:25:003
3086991211,1cyclictest28-21ksoftirqd/221:50:002
3086991211,1cyclictest28-21ksoftirqd/219:45:002
3086991210,1cyclictest30250-21pmu-power00:35:172
306999123,4cyclictest28113-21latency_hist21:10:010
246592120,0sleep00-21swapper/022:10:140
308699119,1cyclictest28-21ksoftirqd/222:50:222
308699119,1cyclictest28-21ksoftirqd/219:25:002
308699114,5cyclictest28-21ksoftirqd/219:30:172
306999110,5cyclictest18119-21perf19:40:000
309899105,2cyclictest240-21systemd-journal23:09:593
309899100,7cyclictest0-21swapper/322:35:133
308699108,1cyclictest28-21ksoftirqd/221:20:002
30989999,0cyclictest0-21swapper/319:10:453
30989997,1cyclictest35-21ksoftirqd/320:37:173
30989997,1cyclictest35-21ksoftirqd/300:20:003
30989991,4cyclictest26989-21apt-get22:15:123
30989990,6cyclictest1644-21apt-get22:30:123
30869998,1cyclictest28-21ksoftirqd/222:15:152
30869998,1cyclictest28-21ksoftirqd/220:10:172
30869998,1cyclictest28-21ksoftirqd/220:00:142
30869997,1cyclictest28-21ksoftirqd/221:00:012
30869997,1cyclictest28-21ksoftirqd/220:25:252
30799990,9cyclictest0-21swapper/100:04:141
30699994,4cyclictest0-21swapper/023:05:160
30699993,6cyclictest13203-21sed19:30:000
30989986,1cyclictest707-21snmpd22:04:573
30989986,1cyclictest707-21snmpd21:26:533
30989986,1cyclictest707-21snmpd20:41:013
30989986,1cyclictest35-21ksoftirqd/323:25:003
30989986,1cyclictest35-21ksoftirqd/300:30:003
30989986,1cyclictest1747-21ntpd21:10:593
30989986,1cyclictest1747-21ntpd00:05:593
30869988,0cyclictest4621-21sensors21:25:222
30869987,1cyclictest28-21ksoftirqd/222:35:142
30869987,1cyclictest28-21ksoftirqd/221:40:002
30869987,1cyclictest28-21ksoftirqd/221:00:162
30869987,0cyclictest28-21ksoftirqd/223:20:202
30869986,1cyclictest707-21snmpd21:50:122
30869986,1cyclictest61650irq/122-eno119:55:182
30869986,1cyclictest28-21ksoftirqd/223:50:002
30869986,1cyclictest28-21ksoftirqd/222:45:002
30869986,1cyclictest28-21ksoftirqd/222:05:182
30869985,1cyclictest28-21ksoftirqd/219:55:002
30869982,5cyclictest13851-21apt-get22:55:132
30869981,6cyclictest0-21swapper/200:15:012
30869981,2cyclictest0-21swapper/219:15:132
30869980,3cyclictest0-21swapper/200:20:142
30869980,2cyclictest0-21swapper/221:40:122
30799980,8cyclictest0-21swapper/119:57:541
30699986,1cyclictest9-21ksoftirqd/022:30:000
30699986,1cyclictest707-21snmpd23:13:050
30699986,1cyclictest707-21snmpd22:22:410
30699986,1cyclictest707-21snmpd21:30:410
30699986,1cyclictest707-21snmpd21:27:110
30699986,1cyclictest707-21snmpd19:58:060
30699986,1cyclictest707-21snmpd19:53:270
30699983,1cyclictest9478-21/usr/sbin/munin20:30:190
30699981,6cyclictest20495-21date19:45:000
30699981,6cyclictest0-21swapper/000:31:470
30699981,1cyclictest0-21swapper/021:22:080
30699980,4cyclictest0-21swapper/019:15:010
30989976,1cyclictest31270-21ntpq20:05:193
30989975,1cyclictest9571-21cat19:20:163
30989975,1cyclictest707-21snmpd23:32:453
30989975,1cyclictest707-21snmpd23:27:303
30989975,1cyclictest707-21snmpd23:01:263
30989975,1cyclictest707-21snmpd21:42:403
30989975,1cyclictest707-21snmpd20:23:063
30989975,1cyclictest707-21snmpd20:11:313
30989975,1cyclictest707-21snmpd19:36:503
30989975,1cyclictest30252-21cat22:20:153
30989974,2cyclictest707-21snmpd00:01:193
30989972,4cyclictest9467-21nscd22:40:143
30869977,0cyclictest28-21ksoftirqd/200:25:232
30869977,0cyclictest18758-21sensors21:55:192
30869976,1cyclictest61650irq/122-eno123:35:162
30869976,1cyclictest61650irq/122-eno122:25:122
30869976,1cyclictest28-21ksoftirqd/223:25:002
30869976,1cyclictest28-21ksoftirqd/223:05:152
30869976,1cyclictest28-21ksoftirqd/223:00:172
30869976,1cyclictest28-21ksoftirqd/221:20:172
30869976,1cyclictest28-21ksoftirqd/220:15:152
30869976,1cyclictest28-21ksoftirqd/220:05:152
30869976,1cyclictest28-21ksoftirqd/219:25:172
30869976,1cyclictest28-21ksoftirqd/219:15:012
30869976,1cyclictest18542-21kworker/2:220:22:222
30869975,1cyclictest61650irq/122-eno121:35:002
30869975,1cyclictest14225-21kworker/2:123:30:122
30869975,1cyclictest14225-21kworker/2:122:30:122
30869975,1cyclictest14225-21kworker/2:122:10:142
30869974,1cyclictest13068-21fschecks_count00:00:162
30869972,4cyclictest27819-21ntp_states00:30:182
30869971,6cyclictest0-21swapper/223:57:552
30869971,1cyclictest0-21swapper/220:47:582
30869970,5cyclictest10602-21netstat20:30:182
30869970,0cyclictest0-21swapper/220:50:172
30799970,7cyclictest0-21swapper/120:31:301
30799970,0cyclictest0-21swapper/100:25:331
30699976,1cyclictest707-21snmpd23:50:580
30699976,1cyclictest707-21snmpd19:22:410
30699975,1cyclictest9-21ksoftirqd/022:04:550
30699975,1cyclictest707-21snmpd23:37:520
30699975,1cyclictest707-21snmpd22:54:020
30699975,1cyclictest707-21snmpd21:47:480
30699975,1cyclictest707-21snmpd00:27:010
30699972,4cyclictest29006-21apt-get00:35:110
30699972,2cyclictest5678-21cat22:35:220
30699971,5cyclictest733-21sshd21:12:170
30699970,6cyclictest5637-21/usr/sbin/munin20:20:180
30699970,6cyclictest0-21swapper/022:15:180
30699970,6cyclictest0-21swapper/020:15:140
30699970,4cyclictest16372-21perf20:45:000
30699970,3cyclictest8951-21perf22:45:000
30699970,1cyclictest0-21swapper/023:30:210
30699970,1cyclictest0-21swapper/020:55:160
25877270,0sleep10-21swapper/123:20:151
30989964,1cyclictest7904-21tail20:25:193
30989964,1cyclictest707-21snmpd23:51:283
30989964,1cyclictest707-21snmpd23:35:243
30989964,1cyclictest707-21snmpd23:11:143
30989964,1cyclictest707-21snmpd22:50:163
30989964,1cyclictest707-21snmpd22:14:583
30989964,1cyclictest707-21snmpd21:50:153
30989964,1cyclictest707-21snmpd21:36:073
30989964,1cyclictest707-21snmpd21:30:513
30989964,1cyclictest707-21snmpd21:24:533
30989964,1cyclictest707-21snmpd20:48:193
30989964,1cyclictest707-21snmpd00:34:233
30989964,1cyclictest3954-21cat23:40:163
30989963,1cyclictest240-21systemd-journal22:27:083
30989963,1cyclictest13650irq/124-ahci[0019:20:003
30989961,3cyclictest0-21swapper/322:45:123
30989960,4cyclictest240-21systemd-journal19:29:553
30989960,2cyclictest391-21sendmail-msp21:20:003
30869966,0cyclictest61650irq/122-eno123:12:122
30869966,0cyclictest61650irq/122-eno122:02:522
30869966,0cyclictest61650irq/122-eno120:35:132
30869965,1cyclictest707-21snmpd21:12:472
30869965,1cyclictest28-21ksoftirqd/223:15:122
30869965,1cyclictest18542-21kworker/2:221:05:282
30869965,1cyclictest14225-21kworker/2:123:52:302
30869965,1cyclictest14225-21kworker/2:122:45:462
30869964,1cyclictest61650irq/122-eno100:05:132
30869964,1cyclictest3171-21head23:40:132
30869964,1cyclictest28-21ksoftirqd/219:45:182
30869964,1cyclictest16338-21perf20:45:002
30869961,4cyclictest0-21swapper/222:20:122
30869961,1cyclictest0-21swapper/200:10:132
30869960,1cyclictest0-21swapper/219:36:322
30799964,2cyclictest0-21swapper/122:50:161
30799962,3cyclictest0-21swapper/119:29:061
30799961,1cyclictest0-21swapper/120:05:131
30799960,6cyclictest0-21swapper/123:55:551
30799960,6cyclictest0-21swapper/123:46:391
30799960,6cyclictest0-21swapper/123:10:191
30799960,6cyclictest0-21swapper/122:41:021
30799960,6cyclictest0-21swapper/121:42:011
30799960,6cyclictest0-21swapper/121:05:591
30799960,6cyclictest0-21swapper/120:20:231
30799960,6cyclictest0-21swapper/120:14:311
30799960,6cyclictest0-21swapper/119:52:351
30799960,6cyclictest0-21swapper/119:45:201
30799960,6cyclictest0-21swapper/119:40:591
30799960,6cyclictest0-21swapper/119:36:441
30799960,6cyclictest0-21swapper/119:31:351
30799960,6cyclictest0-21swapper/100:37:181
30799960,5cyclictest0-21swapper/123:40:161
30799960,5cyclictest0-21swapper/123:05:001
30799960,5cyclictest0-21swapper/121:45:301
30799960,3cyclictest0-21swapper/122:55:141
30799960,3cyclictest0-21swapper/120:59:551
30799960,2cyclictest0-21swapper/123:25:011
30799960,1cyclictest0-21swapper/121:55:001
30799960,1cyclictest0-21swapper/121:15:001
30799960,1cyclictest0-21swapper/100:14:551
30799960,0cyclictest0-21swapper/123:17:121
30799960,0cyclictest0-21swapper/120:03:241
30799960,0cyclictest0-21swapper/100:05:211
30699965,1cyclictest9-21ksoftirqd/000:18:450
30699965,1cyclictest707-21snmpd23:16:540
30699965,1cyclictest707-21snmpd22:07:430
30699965,1cyclictest707-21snmpd00:10:040
30699964,1cyclictest707-21snmpd20:54:540
30699964,1cyclictest707-21snmpd20:05:240
30699964,1cyclictest707-21snmpd20:01:180
30699964,1cyclictest707-21snmpd00:24:160
30699961,5cyclictest0-21swapper/023:49:150
30699961,2cyclictest240-21systemd-journal23:55:000
30699960,6cyclictest0-21swapper/023:26:140
30699960,6cyclictest0-21swapper/022:45:130
30699960,6cyclictest0-21swapper/020:38:160
30699960,6cyclictest0-21swapper/020:25:170
30699960,6cyclictest0-21swapper/019:45:090
30699960,5cyclictest0-21swapper/023:40:120
30699960,1cyclictest0-21swapper/023:00:200
30699960,0cyclictest0-21swapper/022:58:290
30699960,0cyclictest0-21swapper/021:15:140
30699960,0cyclictest0-21swapper/020:45:170
30699960,0cyclictest0-21swapper/020:10:240
30699960,0cyclictest0-21swapper/000:05:110
30989955,0cyclictest0-21swapper/319:46:113
30989954,1cyclictest707-21snmpd19:55:513
30989954,1cyclictest30165-21ntpq00:35:183
30989953,1cyclictest707-21snmpd23:49:423
30989953,1cyclictest707-21snmpd20:18:123
30989953,1cyclictest707-21snmpd20:04:283
30989953,1cyclictest23581-21tr23:15:133
30989953,1cyclictest17357-21apt-get21:55:113
30989952,2cyclictest24869-21taskset19:51:413
30989952,2cyclictest23638-21apt-get21:00:123
30989952,2cyclictest13768-21netstat21:45:163
30989951,3cyclictest23460-21sendmail_mailtr22:05:223
30989951,2cyclictest10902-21sed23:55:153
30989950,5cyclictest0-21swapper/320:31:333
30989950,3cyclictest0-21swapper/319:35:003
30989950,2cyclictest0-21swapper/300:10:133
30989950,1cyclictest240-21systemd-journal19:45:003
30989950,0cyclictest0-21swapper/320:56:253
30799955,0cyclictest0-21swapper/122:17:241
30799955,0cyclictest0-21swapper/100:19:041
30799954,1cyclictest0-21swapper/100:30:201
30799950,5cyclictest0-21swapper/123:51:201
30799950,5cyclictest0-21swapper/123:39:361
30799950,5cyclictest0-21swapper/122:40:001
30799950,5cyclictest0-21swapper/122:35:001
30799950,5cyclictest0-21swapper/122:25:101
30799950,5cyclictest0-21swapper/121:55:591
30799950,5cyclictest0-21swapper/121:35:591
30799950,5cyclictest0-21swapper/121:25:591
30799950,5cyclictest0-21swapper/120:25:591
30799950,5cyclictest0-21swapper/100:21:581
30799950,4cyclictest0-21swapper/121:20:201
30799950,1cyclictest0-21swapper/121:15:131
30799950,0cyclictest0-21swapper/122:12:151
30799950,0cyclictest0-21swapper/122:05:591
30799950,0cyclictest0-21swapper/121:33:271
30799950,0cyclictest0-21swapper/120:53:541
30799950,0cyclictest0-21swapper/120:42:411
30799950,0cyclictest0-21swapper/120:37:161
30699954,1cyclictest6182-21sensors19:15:020
30699954,1cyclictest13162-21perl00:00:160
30699952,2cyclictest1641-21/usr/sbin/munin22:30:210
30699950,5cyclictest0-21swapper/021:55:240
30699950,5cyclictest0-21swapper/021:40:130
30699950,5cyclictest0-21swapper/019:31:350
30699950,2cyclictest0-21swapper/021:00:130
30699950,0cyclictest0-21swapper/023:20:150
30989942,1cyclictest18912-21apt-get20:50:113
30989942,1cyclictest14347-21df22:55:153
30989940,0cyclictest0-21swapper/321:05:133
30799944,0cyclictest0-21swapper/122:01:171
30799942,2cyclictest0-21swapper/123:05:131
30799940,4cyclictest0-21swapper/122:45:201
30799940,4cyclictest0-21swapper/119:25:001
30799940,4cyclictest0-21swapper/119:10:201
30799940,2cyclictest0-21swapper/119:15:221
30799940,0cyclictest0-21swapper/122:20:091
30799940,0cyclictest0-21swapper/121:00:201
30799940,0cyclictest0-21swapper/120:19:481
30799931,1cyclictest0-21swapper/123:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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