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2026-09-22 - 13:16
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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 all highest latencies:
System rack1slot1.osadl.org (updated Tue Sep 22, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9742232157,25sleep00-21swapper/019:06:150
12092212174,25sleep10-21swapper/119:09:181
11512210171,25sleep30-21swapper/319:08:313
10312198158,26sleep20-21swapper/219:06:582
190062580,0sleep20-21swapper/200:01:512
114882290,0sleep10-21swapper/119:30:011
118982160,0sleep20-21swapper/223:51:222
1350991410,2cyclictest240-21systemd-journal23:10:000
1369991311,1cyclictest35-21ksoftirqd/322:44:593
1369991210,1cyclictest27038-21diskmemload21:50:343
1361991210,1cyclictest28-21ksoftirqd/221:50:192
1369991110,1cyclictest35-21ksoftirqd/319:15:003
1369991110,1cyclictest35-21ksoftirqd/300:20:233
1361991111,0cyclictest28-21ksoftirqd/223:41:302
1361991110,1cyclictest28-21ksoftirqd/223:01:272
1361991110,1cyclictest28-21ksoftirqd/222:35:002
1361991110,1cyclictest28-21ksoftirqd/222:05:112
136999109,1cyclictest35-21ksoftirqd/323:45:013
136999109,1cyclictest35-21ksoftirqd/323:20:163
136999109,1cyclictest35-21ksoftirqd/319:30:013
1369991010,0cyclictest35-21ksoftirqd/323:35:153
1369991010,0cyclictest35-21ksoftirqd/300:08:203
136199109,1cyclictest28-21ksoftirqd/223:35:202
136199109,1cyclictest28-21ksoftirqd/223:30:212
136199109,1cyclictest28-21ksoftirqd/222:40:212
136199109,1cyclictest28-21ksoftirqd/222:36:362
136199109,1cyclictest28-21ksoftirqd/200:06:522
136199108,1cyclictest28-21ksoftirqd/223:14:592
136199108,1cyclictest28-21ksoftirqd/223:05:162
1361991010,0cyclictest28-21ksoftirqd/222:50:182
1361991010,0cyclictest28-21ksoftirqd/222:50:172
1361991010,0cyclictest28-21ksoftirqd/222:25:162
135099109,1cyclictest9-21ksoftirqd/023:10:000
13699999,0cyclictest35-21ksoftirqd/321:20:143
13699999,0cyclictest35-21ksoftirqd/300:35:213
13699999,0cyclictest35-21ksoftirqd/300:10:193
13699998,1cyclictest35-21ksoftirqd/322:02:413
13699997,1cyclictest35-21ksoftirqd/322:45:153
13699997,1cyclictest35-21ksoftirqd/320:00:003
13619999,0cyclictest28-21ksoftirqd/221:27:562
13619998,1cyclictest28-21ksoftirqd/221:57:472
13619998,1cyclictest28-21ksoftirqd/221:36:102
13619998,1cyclictest28-21ksoftirqd/221:15:182
13619998,1cyclictest28-21ksoftirqd/220:15:172
13619998,1cyclictest28-21ksoftirqd/200:28:412
13619998,1cyclictest28-21ksoftirqd/200:15:132
13619998,0cyclictest28-21ksoftirqd/222:20:142
13619997,1cyclictest61650irq/122-eno121:30:232
13619997,1cyclictest28-21ksoftirqd/223:45:172
13619997,1cyclictest28-21ksoftirqd/221:20:132
13619990,6cyclictest27038-21diskmemload00:35:122
13509997,1cyclictest9-21ksoftirqd/021:05:110
13699988,0cyclictest35-21ksoftirqd/321:55:223
13699988,0cyclictest35-21ksoftirqd/321:35:143
13699988,0cyclictest27038-21diskmemload00:34:203
13699987,1cyclictest35-21ksoftirqd/321:30:263
13699987,1cyclictest35-21ksoftirqd/321:25:293
13699987,1cyclictest35-21ksoftirqd/319:52:283
13699987,1cyclictest11301-21snmpd19:39:453
13699987,1cyclictest11301-21snmpd19:39:443
13699986,1cyclictest35-21ksoftirqd/323:30:153
13699986,1cyclictest35-21ksoftirqd/300:25:153
13699986,1cyclictest11301-21snmpd19:16:203
13619988,0cyclictest28-21ksoftirqd/222:01:242
13619987,1cyclictest28-21ksoftirqd/223:55:342
13619987,1cyclictest28-21ksoftirqd/223:16:542
13619987,1cyclictest28-21ksoftirqd/222:11:272
13619987,1cyclictest28-21ksoftirqd/221:40:152
13619987,1cyclictest28-21ksoftirqd/221:10:592
13619987,1cyclictest28-21ksoftirqd/220:35:162
13619987,1cyclictest28-21ksoftirqd/200:30:112
13619986,1cyclictest28-21ksoftirqd/220:59:592
13619986,1cyclictest28-21ksoftirqd/220:30:012
13619986,1cyclictest28-21ksoftirqd/219:52:292
13619986,1cyclictest28-21ksoftirqd/200:20:152
13619986,1cyclictest11301-21snmpd19:13:302
13619980,7cyclictest21933-21perf21:00:002
13619980,5cyclictest0-21swapper/223:25:112
13619980,1cyclictest30020-21/usr/sbin/munin22:45:182
13579988,0cyclictest0-21swapper/119:33:081
13579980,7cyclictest0-21swapper/123:02:571
13579980,5cyclictest0-21swapper/119:55:091
13579980,4cyclictest0-21swapper/100:35:131
13509987,1cyclictest9-21ksoftirqd/000:08:060
13509986,1cyclictest22319-21kernelversion23:20:170
13509983,1cyclictest31769-21/usr/sbin/munin23:35:210
13509981,6cyclictest31816-1kworker/u9:122:55:010
13509981,6cyclictest31816-1kworker/u9:122:55:000
13509981,6cyclictest22455-21telnet21:00:130
13509980,7cyclictest0-21swapper/020:25:120
13509980,5cyclictest0-21swapper/019:55:100
13509980,1cyclictest9266-21ssh23:49:080
3547270,0sleep00-21swapper/020:20:140
13699977,0cyclictest35-21ksoftirqd/322:55:143
13699977,0cyclictest35-21ksoftirqd/322:50:123
13699977,0cyclictest35-21ksoftirqd/322:50:113
13699977,0cyclictest35-21ksoftirqd/322:18:423
13699977,0cyclictest35-21ksoftirqd/322:10:293
13699977,0cyclictest35-21ksoftirqd/321:00:223
13699976,1cyclictest35-21ksoftirqd/323:45:163
13699976,1cyclictest35-21ksoftirqd/323:10:183
13699976,1cyclictest35-21ksoftirqd/320:25:003
13699976,1cyclictest35-21ksoftirqd/300:20:003
13699976,1cyclictest35-21ksoftirqd/300:04:333
13699976,1cyclictest20663-21cat20:55:163
13699975,1cyclictest35-21ksoftirqd/323:50:133
13699975,1cyclictest35-21ksoftirqd/321:45:133
13699975,1cyclictest35-21ksoftirqd/321:40:153
13699975,1cyclictest35-21ksoftirqd/320:05:223
13699972,4cyclictest7040-21apt-get23:00:103
13699970,5cyclictest0-21swapper/323:59:443
13699970,5cyclictest0-21swapper/322:25:123
13699970,4cyclictest18615-21/usr/sbin/munin22:30:173
13619977,0cyclictest28-21ksoftirqd/223:20:192
13619977,0cyclictest28-21ksoftirqd/222:55:192
13619976,1cyclictest61650irq/122-eno119:55:142
13619976,1cyclictest61650irq/122-eno119:15:112
13619976,1cyclictest29159-21kworker/2:219:30:162
13619976,1cyclictest28-21ksoftirqd/222:15:142
13619976,1cyclictest28-21ksoftirqd/220:15:002
13619976,1cyclictest28-21ksoftirqd/219:45:202
13619976,1cyclictest28-21ksoftirqd/219:25:132
13619975,1cyclictest29159-21kworker/2:220:30:162
13619975,1cyclictest29159-21kworker/2:220:00:152
13619975,1cyclictest28-21ksoftirqd/220:40:112
13619975,1cyclictest28-21ksoftirqd/200:10:202
13619975,1cyclictest20088-21grep21:45:122
13619971,5cyclictest0-21swapper/219:43:012
13619970,6cyclictest0-21swapper/219:38:462
13619970,6cyclictest0-21swapper/219:38:452
13619970,1cyclictest0-21swapper/220:50:112
13579971,6cyclictest0-21swapper/121:05:371
13579971,4cyclictest201rcuc/100:29:141
13579971,2cyclictest0-21swapper/122:56:061
13509977,0cyclictest505-1kworker/u9:100:36:400
13509976,1cyclictest9-21ksoftirqd/021:46:590
13509976,1cyclictest8670-21cat20:30:160
13509976,1cyclictest24505-21ssh22:37:310
13509976,1cyclictest17962-21ntpq00:00:180
13509976,1cyclictest11171-1kworker/u9:121:35:150
13509975,1cyclictest25495-21ssh23:25:140
13509975,1cyclictest23640-21expr21:50:120
13509975,1cyclictest11301-21snmpd21:56:240
13509975,1cyclictest11301-21snmpd20:52:490
13509975,0cyclictest27038-21diskmemload21:42:520
13509973,3cyclictest3678-21cron19:15:000
13509973,1cyclictest18976-21/usr/sbin/munin19:45:200
13509973,0cyclictest27038-21diskmemload22:05:490
13509972,4cyclictest11301-21snmpd20:01:430
13509972,3cyclictest0-21swapper/023:50:130
13509972,1cyclictest240-21systemd-journal23:19:590
13509971,5cyclictest27038-21diskmemload21:10:140
13509971,3cyclictest27038-21diskmemload23:41:300
13509971,3cyclictest13288-21apt-get23:55:110
13509970,7cyclictest10850-21ssh22:18:190
13509970,6cyclictest8380-21latency_hist00:34:590
13509970,6cyclictest27038-21diskmemload21:26:060
13509970,6cyclictest27038-21diskmemload00:25:220
13509970,6cyclictest1863-21ntp_states20:15:170
13509970,6cyclictest0-21swapper/021:30:200
13509970,6cyclictest0-21swapper/020:45:140
13509970,4cyclictest27167-21apt-get00:15:120
13509970,2cyclictest0-21swapper/019:15:190
13509970,1cyclictest7632-21sh22:14:100
13509970,1cyclictest7549-21df23:00:110
13509970,1cyclictest6430-21ssh22:59:010
13509970,1cyclictest32566-21taskset21:15:260
13509970,1cyclictest32445-21ssh22:01:520
13509970,1cyclictest315742sleep022:47:520
13509970,1cyclictest25657-21sh00:10:590
13509970,1cyclictest20798-21ssh22:31:450
13509970,1cyclictest125102sleep020:40:040
13509970,1cyclictest0-21swapper/023:30:130
13509970,1cyclictest0-21swapper/022:40:140
13509970,1cyclictest0-21swapper/019:50:160
13509970,1cyclictest0-21swapper/019:25:160
13509970,0cyclictest27038-21diskmemload22:23:170
13699966,0cyclictest35-21ksoftirqd/322:35:213
13699966,0cyclictest35-21ksoftirqd/322:05:123
13699966,0cyclictest35-21ksoftirqd/320:10:113
13699965,1cyclictest6328-21cat20:25:163
13699965,1cyclictest35-21ksoftirqd/320:50:123
13699965,1cyclictest35-21ksoftirqd/320:40:143
13699965,1cyclictest14014-21ssh22:22:163
13699965,1cyclictest13229-21ssh23:08:253
13699965,1cyclictest11301-21snmpd21:19:103
13699965,1cyclictest11301-21snmpd21:10:463
13699965,1cyclictest11301-21snmpd21:07:483
13699965,1cyclictest11301-21snmpd20:47:023
13699965,1cyclictest11301-21snmpd19:48:373
13699965,1cyclictest11301-21snmpd19:34:123
13699964,1cyclictest35-21ksoftirqd/323:25:173
13699964,1cyclictest11301-21snmpd19:24:223
13619966,0cyclictest61650irq/122-eno120:20:122
13619965,1cyclictest61650irq/122-eno120:45:172
13619965,1cyclictest29159-21kworker/2:219:20:122
13619960,5cyclictest0-21swapper/220:05:022
13579966,0cyclictest0-21swapper/121:28:211
13579965,1cyclictest0-21swapper/121:01:581
13579965,1cyclictest0-21swapper/120:34:561
13579960,6cyclictest0-21swapper/123:21:061
13579960,6cyclictest0-21swapper/121:15:221
13579960,6cyclictest0-21swapper/100:34:311
13579960,6cyclictest0-21swapper/100:10:001
13579960,5cyclictest0-21swapper/120:50:141
13579960,5cyclictest0-21swapper/120:36:471
13579960,5cyclictest0-21swapper/119:10:171
13579960,4cyclictest0-21swapper/123:35:101
13579960,4cyclictest0-21swapper/123:32:151
13579960,4cyclictest0-21swapper/122:52:001
13579960,4cyclictest0-21swapper/122:52:001
13579960,4cyclictest0-21swapper/122:25:581
13579960,4cyclictest0-21swapper/120:45:121
13579960,3cyclictest0-21swapper/123:26:341
13579960,3cyclictest0-21swapper/122:35:111
13579960,2cyclictest0-21swapper/121:22:501
13579960,2cyclictest0-21swapper/100:00:131
13579960,1cyclictest0-21swapper/123:52:591
13579960,1cyclictest0-21swapper/122:11:111
13579960,1cyclictest0-21swapper/121:58:361
13579960,0cyclictest0-21swapper/122:09:271
13509965,1cyclictest30768-21ssh00:20:140
13509965,1cyclictest20290-21df_inode20:55:140
13509965,1cyclictest11301-21snmpd19:42:340
13509962,1cyclictest1344-21cyclictest22:25:010
13509960,6cyclictest0-21swapper/021:20:330
13509960,6cyclictest0-21swapper/020:35:150
13509960,5cyclictest0-21swapper/020:10:120
13509960,1cyclictest13826-21perf19:35:010
13509960,0cyclictest0-21swapper/020:06:330
13509960,0cyclictest0-21swapper/019:35:150
13509960,0cyclictest0-21swapper/019:35:140
13509960,0cyclictest0-21swapper/019:20:120
13699955,0cyclictest35-21ksoftirqd/323:14:593
13699954,1cyclictest35-21ksoftirqd/319:40:193
13699953,1cyclictest11301-21snmpd20:34:503
13699950,3cyclictest1865-21ntp_states20:15:183
13619954,1cyclictest28-21ksoftirqd/221:05:012
13579955,0cyclictest0-21swapper/119:53:461
13579951,3cyclictest0-21swapper/121:11:561
13579951,3cyclictest0-21swapper/120:20:111
13579951,3cyclictest0-21swapper/120:09:591
13579951,2cyclictest0-21swapper/122:20:141
13579951,2cyclictest0-21swapper/100:10:131
13579950,5cyclictest0-21swapper/122:41:101
13579950,5cyclictest0-21swapper/120:17:441
13579950,5cyclictest0-21swapper/119:37:101
13579950,5cyclictest0-21swapper/119:37:101
13579950,5cyclictest0-21swapper/119:23:511
13579950,5cyclictest0-21swapper/119:19:151
13579950,4cyclictest0-21swapper/122:46:551
13579950,3cyclictest0-21swapper/123:41:101
13579950,3cyclictest0-21swapper/122:15:541
13579950,3cyclictest0-21swapper/121:45:211
13579950,3cyclictest0-21swapper/100:20:191
13579950,3cyclictest0-21swapper/100:16:061
13579950,2cyclictest0-21swapper/123:11:431
13579950,2cyclictest0-21swapper/122:34:021
13579950,2cyclictest0-21swapper/121:40:311
13579950,2cyclictest0-21swapper/121:30:441
13579950,1cyclictest0-21swapper/123:16:041
13579950,1cyclictest0-21swapper/123:05:141
13579950,1cyclictest0-21swapper/122:00:131
13579950,0cyclictest0-21swapper/121:54:081
13579950,0cyclictest0-21swapper/121:37:291
13699943,1cyclictest35-21ksoftirqd/320:35:123
13699942,2cyclictest26061-21apt-get20:00:153
13579942,2cyclictest0-21swapper/120:40:161
13579941,1cyclictest0-21swapper/120:10:131
13579940,1cyclictest0-21swapper/123:55:121
13579940,1cyclictest0-21swapper/123:46:271
13579940,1cyclictest0-21swapper/119:45:021
13579940,1cyclictest0-21swapper/119:45:001
13579940,0cyclictest0-21swapper/120:59:581
13579931,1cyclictest0-21swapper/120:25:111
13579931,1cyclictest0-21swapper/120:00:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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