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2026-06-07 - 01:26
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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 Jun 07, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145142218160,24sleep20-21swapper/219:05:492
146092214150,22sleep30-21swapper/319:07:033
147132208141,21sleep00-21swapper/019:08:250
148082201163,25sleep10-21swapper/119:09:381
232882710,0sleep00-21swapper/023:40:140
324382670,0sleep20-21swapper/221:40:202
124162210,0sleep00-21swapper/021:15:160
215332140,0sleep20-21swapper/221:26:062
1491099149,5cyclictest9-21ksoftirqd/022:15:130
14910991412,1cyclictest9-21ksoftirqd/019:35:000
1492999130,2cyclictest0-21swapper/321:12:173
14920991311,1cyclictest28-21ksoftirqd/222:50:002
1491099139,4cyclictest9-21ksoftirqd/021:25:120
14910991312,1cyclictest9-21ksoftirqd/022:00:180
1492999120,1cyclictest17274-21awk19:15:003
1492099129,1cyclictest28-21ksoftirqd/221:10:002
14920991211,0cyclictest28-21ksoftirqd/221:39:592
1492999119,1cyclictest35-21ksoftirqd/322:20:003
1492999116,4cyclictest1029-21snmpd22:48:423
1492999115,1cyclictest1271-21ssh22:25:443
1492099119,1cyclictest28-21ksoftirqd/223:50:002
1492099119,1cyclictest28-21ksoftirqd/223:25:142
1492099119,1cyclictest28-21ksoftirqd/222:25:182
1492099119,1cyclictest28-21ksoftirqd/222:05:142
1492099119,0cyclictest28-21ksoftirqd/221:52:282
1492099115,6cyclictest28-21ksoftirqd/219:30:142
14920991110,1cyclictest28-21ksoftirqd/223:35:202
14920991110,1cyclictest28-21ksoftirqd/223:25:012
14920991110,1cyclictest28-21ksoftirqd/223:00:102
14920991110,1cyclictest28-21ksoftirqd/222:30:182
14920991110,1cyclictest0-21swapper/200:05:132
1492099110,11cyclictest24438-21ssh22:57:572
1491099119,1cyclictest9-21ksoftirqd/019:25:010
14910991110,1cyclictest9-21ksoftirqd/000:15:130
1492999105,1cyclictest1029-21snmpd23:49:503
1492099109,1cyclictest28-21ksoftirqd/222:50:162
1492099109,1cyclictest28-21ksoftirqd/200:35:152
1492099109,1cyclictest22549-21sensors20:30:202
14920991010,0cyclictest626-21cpu23:10:112
1491899100,5cyclictest0-21swapper/119:45:111
1491099109,1cyclictest9-21ksoftirqd/022:55:150
1491099109,1cyclictest9-21ksoftirqd/021:30:150
1491099109,1cyclictest9-21ksoftirqd/000:10:130
1491099108,1cyclictest9-21ksoftirqd/021:35:120
149299997,1cyclictest35-21ksoftirqd/320:55:013
149299990,1cyclictest240-21systemd-journal20:19:553
149299990,1cyclictest0-21swapper/322:40:153
149209999,0cyclictest28-21ksoftirqd/221:55:172
149209999,0cyclictest28-21ksoftirqd/221:55:162
149209998,1cyclictest28-21ksoftirqd/223:05:182
149209998,1cyclictest28-21ksoftirqd/221:10:102
149209998,1cyclictest28-21ksoftirqd/200:30:122
149209998,1cyclictest28-21ksoftirqd/200:20:142
149189990,4cyclictest0-21swapper/120:15:121
149109999,0cyclictest9-21ksoftirqd/000:35:170
149109998,1cyclictest9-21ksoftirqd/023:35:150
149109998,1cyclictest9-21ksoftirqd/021:57:240
149109998,1cyclictest9-21ksoftirqd/021:57:240
149109998,1cyclictest9-21ksoftirqd/021:10:120
149109998,1cyclictest9-21ksoftirqd/020:50:120
149109998,1cyclictest9-21ksoftirqd/020:35:000
149109998,1cyclictest9-21ksoftirqd/000:25:140
149109997,1cyclictest9-21ksoftirqd/021:05:150
149109997,1cyclictest9-21ksoftirqd/019:39:590
149109991,7cyclictest8077-1kworker/u9:021:51:440
149109990,3cyclictest0-21swapper/021:45:100
149299984,4cyclictest7564-21diskmemload21:46:293
149299984,0cyclictest8232-21ssh21:52:023
149299981,6cyclictest0-21swapper/322:00:183
149299981,4cyclictest0-21swapper/322:20:113
149299981,4cyclictest0-21swapper/321:00:143
149299980,2cyclictest0-21swapper/323:05:153
149299980,1cyclictest7564-21diskmemload22:54:203
149209988,0cyclictest28-21ksoftirqd/223:41:012
149209988,0cyclictest28-21ksoftirqd/223:16:402
149209988,0cyclictest28-21ksoftirqd/222:15:212
149209988,0cyclictest28-21ksoftirqd/200:15:462
149209987,1cyclictest28-21ksoftirqd/222:35:122
149209987,1cyclictest28-21ksoftirqd/221:20:152
149209987,1cyclictest28-21ksoftirqd/220:25:142
149209987,1cyclictest28-21ksoftirqd/219:55:162
149209987,1cyclictest28-21ksoftirqd/219:45:132
149209987,1cyclictest28-21ksoftirqd/200:25:122
149209986,1cyclictest1029-21snmpd23:56:022
149209981,5cyclictest12537-21apt-get00:10:132
149209980,0cyclictest0-21swapper/220:45:112
149189980,5cyclictest0-21swapper/121:25:121
149189980,4cyclictest0-21swapper/121:10:041
149189980,2cyclictest0-21swapper/123:35:121
149109988,0cyclictest9-21ksoftirqd/020:00:180
149109988,0cyclictest9-21ksoftirqd/019:25:190
149109987,1cyclictest9486-21ssh22:38:080
149109987,1cyclictest9-21ksoftirqd/023:25:170
149109987,1cyclictest9-21ksoftirqd/022:40:220
149109987,1cyclictest9-21ksoftirqd/022:15:010
149109986,1cyclictest9-21ksoftirqd/021:20:160
149109986,1cyclictest9-21ksoftirqd/019:15:000
149109986,1cyclictest1029-21snmpd23:06:380
149109986,1cyclictest1029-21snmpd22:21:460
149299976,1cyclictest1029-21snmpd23:44:113
149299976,1cyclictest1029-21snmpd23:31:493
149299976,1cyclictest1029-21snmpd20:46:143
149299976,0cyclictest1747-21ntpd20:10:183
149299974,1cyclictest13650irq/124-ahci[0019:44:593
149299973,4cyclictest21747-21/usr/sbin/munin22:55:173
149299972,2cyclictest9860-21/usr/sbin/munin20:05:153
149299972,1cyclictest7564-21diskmemload22:10:103
149299971,4cyclictest0-21swapper/319:35:123
149299970,5cyclictest0-21swapper/323:35:123
149299970,4cyclictest0-21swapper/321:58:043
149299970,4cyclictest0-21swapper/321:58:043
149299970,4cyclictest0-21swapper/320:35:153
149299970,4cyclictest0-21swapper/300:35:183
149299970,2cyclictest0-21swapper/323:55:143
149299970,1cyclictest0-21swapper/323:29:213
149299970,1cyclictest0-21swapper/300:30:153
149209976,1cyclictest28-21ksoftirqd/222:40:142
149209976,1cyclictest28-21ksoftirqd/221:00:152
149209976,1cyclictest28-21ksoftirqd/220:20:172
149209976,1cyclictest28-21ksoftirqd/219:50:132
149209976,1cyclictest28-21ksoftirqd/219:40:142
149209976,1cyclictest28-21ksoftirqd/219:15:142
149209975,1cyclictest61650irq/122-eno120:10:002
149209971,4cyclictest13795-21diskstats22:00:122
149189972,2cyclictest0-21swapper/123:49:371
149189971,3cyclictest0-21swapper/122:50:171
149189970,5cyclictest0-21swapper/123:05:121
149189970,4cyclictest44172sleep121:46:411
149189970,4cyclictest0-21swapper/123:16:041
149189970,4cyclictest0-21swapper/122:55:301
149189970,4cyclictest0-21swapper/122:10:101
149189970,4cyclictest0-21swapper/100:25:571
149189970,4cyclictest0-21swapper/100:09:111
149189970,3cyclictest0-21swapper/120:00:111
149189970,2cyclictest0-21swapper/122:40:161
149189970,1cyclictest0-21swapper/123:50:111
149189970,1cyclictest0-21swapper/123:25:541
149189970,1cyclictest0-21swapper/119:35:121
149109977,0cyclictest9-21ksoftirqd/023:10:120
149109977,0cyclictest9-21ksoftirqd/020:55:150
149109976,1cyclictest9-21ksoftirqd/023:45:170
149109976,1cyclictest9-21ksoftirqd/023:20:130
149109976,1cyclictest9-21ksoftirqd/023:00:130
149109976,1cyclictest9-21ksoftirqd/019:50:010
149109976,1cyclictest9-21ksoftirqd/019:40:130
149109976,1cyclictest9-21ksoftirqd/000:20:160
149109976,1cyclictest9-21ksoftirqd/000:00:120
149109976,1cyclictest11634-21ssh00:08:140
149109976,1cyclictest1029-21snmpd20:48:210
149109976,1cyclictest1029-21snmpd20:10:580
149109976,1cyclictest0-21swapper/022:45:190
149109975,1cyclictest9-21ksoftirqd/022:25:160
149109975,1cyclictest11468-21cron20:10:000
149109975,1cyclictest1029-21snmpd00:30:230
149109974,2cyclictest912-21ssh23:54:190
149109970,7cyclictest0-21swapper/023:16:400
149109970,5cyclictest9517-21kworker/u8:222:30:250
149299965,1cyclictest35-21ksoftirqd/319:27:343
149299965,1cyclictest30890-21ssh21:40:083
149299965,1cyclictest30213-21ssh21:38:553
149299965,1cyclictest25473-21ssh21:31:163
149299965,1cyclictest18277-21ssh21:22:393
149299965,1cyclictest1334-21cat23:10:143
149299965,1cyclictest11730-21ssh00:08:313
149299965,1cyclictest1029-21snmpd20:44:563
149299965,1cyclictest1029-21snmpd19:31:153
149299965,1cyclictest1029-21snmpd00:01:083
149299964,0cyclictest7564-21diskmemload23:16:023
149299962,3cyclictest7097-21cat22:35:123
149299962,2cyclictest9467-21nscd00:18:093
149299961,1cyclictest0-21swapper/323:23:483
149299960,6cyclictest7564-21diskmemload00:23:593
149299960,4cyclictest0-21swapper/323:53:253
149299960,2cyclictest20364-21cron22:10:003
149299960,1cyclictest11687-21apt-get21:15:123
149299960,1cyclictest0-21swapper/319:20:123
149299960,0cyclictest0-21swapper/300:10:173
149209966,0cyclictest61650irq/122-eno122:20:122
149209966,0cyclictest61650irq/122-eno121:30:212
149209966,0cyclictest61650irq/122-eno120:15:042
149209966,0cyclictest61650irq/122-eno119:35:352
149209966,0cyclictest28-21ksoftirqd/222:10:122
149209966,0cyclictest28-21ksoftirqd/221:15:122
149209966,0cyclictest28-21ksoftirqd/219:10:132
149209965,1cyclictest61650irq/122-eno123:30:112
149209965,1cyclictest31747-21ntpq20:50:182
149209965,1cyclictest28-21ksoftirqd/223:50:132
149209965,1cyclictest28-21ksoftirqd/221:45:122
149209965,1cyclictest28-21ksoftirqd/220:55:002
149209965,1cyclictest28-21ksoftirqd/219:20:132
149209965,1cyclictest28-21ksoftirqd/200:00:202
149209963,1cyclictest548-21systemd-logind20:10:212
149209960,6cyclictest0-21swapper/220:00:172
149209960,2cyclictest0-21swapper/219:25:112
149209960,1cyclictest25615-21sendmail20:39:592
149189962,2cyclictest0-21swapper/121:25:011
149189961,3cyclictest0-21swapper/100:20:211
149189961,2cyclictest0-21swapper/121:35:101
149189960,6cyclictest0-21swapper/122:27:341
149189960,6cyclictest0-21swapper/122:23:351
149189960,6cyclictest0-21swapper/121:00:021
149189960,6cyclictest0-21swapper/120:49:501
149189960,6cyclictest0-21swapper/120:41:411
149189960,6cyclictest0-21swapper/120:08:171
149189960,6cyclictest0-21swapper/119:21:031
149189960,6cyclictest0-21swapper/100:19:531
149189960,5cyclictest0-21swapper/119:25:161
149189960,5cyclictest0-21swapper/100:14:261
149189960,4cyclictest0-21swapper/122:15:141
149189960,3cyclictest0-21swapper/121:50:171
149189960,2cyclictest0-21swapper/123:55:121
149189960,2cyclictest0-21swapper/100:30:121
149189960,1cyclictest0-21swapper/123:13:221
149109966,0cyclictest9-21ksoftirqd/021:40:120
149109966,0cyclictest24656-21ntpq20:35:170
149109965,1cyclictest9-21ksoftirqd/020:15:140
149109965,1cyclictest19035-21ssh22:06:100
149109964,1cyclictest9-21ksoftirqd/019:55:140
149109964,1cyclictest1029-21snmpd19:50:070
149109960,6cyclictest15400-1kworker/u9:223:55:370
149109960,5cyclictest18066-21apt-get22:50:120
149109960,5cyclictest15413-21apt-get23:30:110
149109960,5cyclictest0-21swapper/020:25:110
149299954,1cyclictest35-21ksoftirqd/320:22:083
149299954,1cyclictest27267-21ssh23:00:243
149299954,1cyclictest1029-21snmpd20:55:023
149299953,2cyclictest7564-21diskmemload22:30:063
149299953,1cyclictest35-21ksoftirqd/319:55:013
149299953,0cyclictest1029-21snmpd00:25:393
149299951,1cyclictest21574-21ls20:30:133
149299951,1cyclictest19103-21/usr/sbin/munin19:15:153
149299951,1cyclictest0-21swapper/320:25:113
149299950,4cyclictest5445-21apt-get21:05:133
149299950,2cyclictest0-21swapper/321:25:543
149209955,0cyclictest61650irq/122-eno120:40:502
149189955,0cyclictest0-21swapper/123:40:261
149189952,2cyclictest0-21swapper/120:35:111
149189951,3cyclictest0-21swapper/122:06:361
149189951,3cyclictest0-21swapper/120:30:121
149189950,5cyclictest0-21swapper/122:00:031
149189950,4cyclictest0-21swapper/122:31:341
149189950,4cyclictest0-21swapper/121:30:141
149189950,4cyclictest0-21swapper/119:52:111
149189950,3cyclictest0-21swapper/123:00:121
149189950,3cyclictest0-21swapper/122:45:221
149189950,2cyclictest0-21swapper/122:35:101
149189950,2cyclictest0-21swapper/121:15:281
149189950,1cyclictest0-21swapper/123:31:101
149189950,1cyclictest0-21swapper/121:05:121
149189950,1cyclictest0-21swapper/119:11:281
149189950,1cyclictest0-21swapper/100:00:141
149189950,0cyclictest0-21swapper/120:50:191
149109954,1cyclictest9-21ksoftirqd/021:00:160
149109950,5cyclictest0-21swapper/020:40:490
149109950,5cyclictest0-21swapper/020:20:200
149109950,5cyclictest0-21swapper/019:15:190
149299943,1cyclictest7117-21sh20:00:133
149299943,1cyclictest1072-21ntp_states19:45:173
149299940,2cyclictest240-21systemd-journal19:55:003
149189943,1cyclictest0-21swapper/120:20:121
149189942,1cyclictest9678-21chrt23:20:321
149189941,2cyclictest0-21swapper/120:10:111
149189941,2cyclictest0-21swapper/119:55:121
149189940,4cyclictest0-21swapper/120:58:361
149189940,3cyclictest20573-21taskset20:25:461
149189940,3cyclictest0-21swapper/121:55:141
149189940,3cyclictest0-21swapper/121:55:131
149189940,3cyclictest0-21swapper/119:40:121
149189940,2cyclictest0-21swapper/121:41:431
149189940,2cyclictest0-21swapper/119:15:111
149189940,2cyclictest0-21swapper/100:35:121
149189931,1cyclictest0-21swapper/119:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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