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2026-07-24 - 01:25
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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 Fri Jul 24, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171982210159,26sleep30-21swapper/319:09:083
172642207157,24sleep00-21swapper/019:09:580
170752202163,25sleep20-21swapper/219:07:302
172112200160,26sleep10-21swapper/119:09:181
70502770,0sleep00-21swapper/000:05:170
59152760,0sleep00-21swapper/019:50:170
1735999179,7cyclictest35-21ksoftirqd/321:10:223
17359991717,0cyclictest35-21ksoftirqd/321:29:403
17359991716,1cyclictest35-21ksoftirqd/321:38:483
1735999166,5cyclictest35-21ksoftirqd/319:40:003
17359991616,0cyclictest35-21ksoftirqd/323:00:543
17359991616,0cyclictest35-21ksoftirqd/322:41:353
17359991616,0cyclictest35-21ksoftirqd/322:00:153
17359991616,0cyclictest35-21ksoftirqd/320:55:173
1735999157,8cyclictest35-21ksoftirqd/322:10:203
17359991515,0cyclictest35-21ksoftirqd/300:16:293
17359991414,0cyclictest35-21ksoftirqd/323:12:033
17359991414,0cyclictest35-21ksoftirqd/320:15:113
17359991414,0cyclictest35-21ksoftirqd/300:20:363
17359991413,1cyclictest35-21ksoftirqd/320:40:003
17359991412,1cyclictest35-21ksoftirqd/323:40:003
1733999140,13cyclictest0-21swapper/123:10:231
1735999135,8cyclictest35-21ksoftirqd/323:48:323
17359991313,0cyclictest35-21ksoftirqd/323:43:183
17359991313,0cyclictest35-21ksoftirqd/323:23:273
17359991313,0cyclictest35-21ksoftirqd/323:05:513
17359991313,0cyclictest35-21ksoftirqd/322:06:253
17359991313,0cyclictest35-21ksoftirqd/321:52:443
17359991313,0cyclictest35-21ksoftirqd/321:40:393
17359991313,0cyclictest35-21ksoftirqd/300:37:173
17359991312,1cyclictest35-21ksoftirqd/322:15:203
17359991312,1cyclictest35-21ksoftirqd/320:50:003
17359991312,1cyclictest35-21ksoftirqd/320:50:003
17359991312,1cyclictest35-21ksoftirqd/319:25:003
17359991312,1cyclictest35-21ksoftirqd/319:20:003
17359991312,1cyclictest35-21ksoftirqd/300:00:003
17359991312,0cyclictest35-21ksoftirqd/319:50:003
17359991311,1cyclictest35-21ksoftirqd/323:30:183
17359991311,1cyclictest35-21ksoftirqd/321:15:153
17359991311,1cyclictest35-21ksoftirqd/319:35:003
17338991311,1cyclictest9-21ksoftirqd/019:15:000
1735999129,2cyclictest35-21ksoftirqd/321:05:003
17359991212,0cyclictest35-21ksoftirqd/323:28:373
17359991212,0cyclictest35-21ksoftirqd/322:28:263
17359991212,0cyclictest35-21ksoftirqd/322:28:263
17359991212,0cyclictest35-21ksoftirqd/322:20:173
17359991212,0cyclictest35-21ksoftirqd/320:05:113
17359991212,0cyclictest35-21ksoftirqd/320:02:013
17359991212,0cyclictest35-21ksoftirqd/300:29:433
17359991211,1cyclictest35-21ksoftirqd/322:57:273
17359991211,1cyclictest35-21ksoftirqd/321:55:133
17359991211,1cyclictest35-21ksoftirqd/321:20:173
17359991211,1cyclictest35-21ksoftirqd/300:10:193
17359991211,1cyclictest35-21ksoftirqd/300:10:013
17359991210,1cyclictest35-21ksoftirqd/322:30:113
17359991210,1cyclictest35-21ksoftirqd/321:30:173
17359991210,1cyclictest35-21ksoftirqd/320:55:003
17359991210,1cyclictest35-21ksoftirqd/320:30:183
17359991210,1cyclictest35-21ksoftirqd/319:55:153
17359991210,1cyclictest35-21ksoftirqd/300:00:193
17348991210,1cyclictest28-21ksoftirqd/221:10:002
17338991211,1cyclictest9-21ksoftirqd/023:55:000
1735999119,2cyclictest35-21ksoftirqd/319:25:223
1735999119,1cyclictest35-21ksoftirqd/323:15:143
1735999119,1cyclictest35-21ksoftirqd/320:20:163
1735999119,1cyclictest35-21ksoftirqd/319:50:193
17359991111,0cyclictest35-21ksoftirqd/322:52:533
17359991111,0cyclictest35-21ksoftirqd/322:35:113
17359991111,0cyclictest35-21ksoftirqd/321:45:123
17359991111,0cyclictest35-21ksoftirqd/320:15:003
17359991111,0cyclictest35-21ksoftirqd/300:32:283
17359991110,1cyclictest35-21ksoftirqd/323:50:123
17359991110,1cyclictest35-21ksoftirqd/322:45:153
17359991110,1cyclictest35-21ksoftirqd/321:05:163
17359991110,1cyclictest35-21ksoftirqd/320:45:013
17348991111,0cyclictest28-21ksoftirqd/222:47:272
1733899119,1cyclictest9-21ksoftirqd/023:35:120
1733899119,1cyclictest9-21ksoftirqd/022:45:000
17338991111,0cyclictest9-21ksoftirqd/000:18:070
1735999109,1cyclictest35-21ksoftirqd/320:25:183
1735999109,1cyclictest35-21ksoftirqd/319:45:003
1735999109,1cyclictest35-21ksoftirqd/319:10:113
1734899109,1cyclictest28-21ksoftirqd/223:36:582
1734899109,1cyclictest28-21ksoftirqd/221:20:002
1734899108,1cyclictest28-21ksoftirqd/222:59:032
1734899108,1cyclictest28-21ksoftirqd/220:50:002
1734899108,1cyclictest28-21ksoftirqd/220:50:002
1733899109,1cyclictest9-21ksoftirqd/023:15:130
1733899109,1cyclictest9-21ksoftirqd/022:55:000
1733899109,1cyclictest9-21ksoftirqd/020:10:140
1733899109,1cyclictest9-21ksoftirqd/000:25:000
17338991010,0cyclictest9-21ksoftirqd/022:40:010
173489998,1cyclictest28-21ksoftirqd/222:55:002
173489997,1cyclictest28-21ksoftirqd/219:35:002
173489996,1cyclictest61650irq/122-eno123:40:432
173489991,7cyclictest1443-21taskset23:56:462
173489990,9cyclictest0-21swapper/223:25:202
173399990,4cyclictest0-21swapper/122:40:131
173389999,0cyclictest9-21ksoftirqd/022:20:140
173389999,0cyclictest9-21ksoftirqd/021:55:210
173389999,0cyclictest9-21ksoftirqd/021:50:190
173389999,0cyclictest9-21ksoftirqd/000:00:000
173389998,1cyclictest9-21ksoftirqd/023:05:150
173389998,1cyclictest9-21ksoftirqd/019:58:250
173389998,1cyclictest9-21ksoftirqd/019:15:010
173389998,1cyclictest9-21ksoftirqd/000:30:140
173389997,1cyclictest9-21ksoftirqd/021:25:150
24750280,1sleep00-21swapper/019:20:430
173489986,1cyclictest61650irq/122-eno121:25:002
173489986,1cyclictest61650irq/122-eno100:35:132
173489986,1cyclictest61650irq/122-eno100:25:152
173489986,1cyclictest61650irq/122-eno100:20:172
173489986,1cyclictest28-21ksoftirqd/219:35:112
173489986,1cyclictest28-21ksoftirqd/219:25:002
173489986,1cyclictest11825-21cat22:40:162
173489981,6cyclictest10818-21diskmemload21:30:162
173399980,4cyclictest0-21swapper/122:05:121
173389988,0cyclictest9-21ksoftirqd/021:45:160
173389987,1cyclictest9-21ksoftirqd/022:20:000
173389987,1cyclictest9-21ksoftirqd/022:10:140
173389987,1cyclictest9-21ksoftirqd/022:00:140
173389987,1cyclictest9-21ksoftirqd/021:40:150
173389987,1cyclictest9-21ksoftirqd/021:15:120
173389987,1cyclictest9-21ksoftirqd/021:10:150
173389987,1cyclictest9-21ksoftirqd/021:05:000
173389987,1cyclictest9-21ksoftirqd/020:50:130
173389987,1cyclictest9-21ksoftirqd/020:40:140
173389986,1cyclictest9-21ksoftirqd/000:35:150
173389981,6cyclictest20056-21ssh22:05:240
173389980,6cyclictest31613-21kworker/0:221:00:160
173489976,1cyclictest61650irq/122-eno123:50:212
173489976,1cyclictest61650irq/122-eno123:20:122
173489976,1cyclictest61650irq/122-eno123:13:562
173489976,1cyclictest61650irq/122-eno123:05:132
173489976,1cyclictest61650irq/122-eno122:21:022
173489976,1cyclictest61650irq/122-eno121:45:302
173489976,1cyclictest61650irq/122-eno121:11:072
173489976,1cyclictest61650irq/122-eno100:30:132
173489976,1cyclictest61650irq/122-eno100:10:152
173489976,0cyclictest61650irq/122-eno122:25:182
173489976,0cyclictest61650irq/122-eno122:25:182
173489975,1cyclictest61650irq/122-eno121:50:212
173489975,1cyclictest61650irq/122-eno121:25:182
173489975,1cyclictest61650irq/122-eno100:00:182
173489975,1cyclictest20190-21ssh22:05:502
173489974,1cyclictest240-21systemd-journal21:40:152
173489973,2cyclictest240-21systemd-journal22:34:012
173489972,4cyclictest7164-21apt-get22:35:102
173489972,2cyclictest240-21systemd-journal22:10:012
173489970,6cyclictest30614-21ssh21:35:192
173489970,6cyclictest20869-21tr19:15:132
173489970,2cyclictest0-21swapper/219:10:112
173489970,2cyclictest0-21swapper/200:15:132
173399970,5cyclictest0-21swapper/119:40:191
173399970,4cyclictest0-21swapper/122:31:171
173399970,4cyclictest0-21swapper/100:27:111
173399970,4cyclictest0-21swapper/100:10:171
173399970,1cyclictest0-21swapper/123:29:571
173389977,0cyclictest9-21ksoftirqd/023:45:190
173389976,1cyclictest9-21ksoftirqd/023:00:140
173389976,1cyclictest9-21ksoftirqd/019:45:130
173389976,1cyclictest4791-1kworker/u9:000:10:130
173389975,1cyclictest9-21ksoftirqd/023:20:140
173389975,1cyclictest9-21ksoftirqd/020:15:120
173389973,2cyclictest240-21systemd-journal19:27:120
173389970,6cyclictest9925-1kworker/u9:223:25:120
173389970,6cyclictest14903-21ssh22:45:140
173389970,6cyclictest13783-21ssh23:30:080
173389970,6cyclictest10818-21diskmemload23:10:130
173389970,2cyclictest22463-21irqstats22:55:170
173389970,1cyclictest32498-21ssh21:39:560
173389970,1cyclictest0-21swapper/021:30:200
173389970,1cyclictest0-21swapper/020:25:160
173389970,1cyclictest0-21swapper/000:25:180
1399271,0sleep20-21swapper/220:50:122
2162260,1sleep10-21swapper/122:26:111
2162260,1sleep10-21swapper/122:26:111
173489966,0cyclictest61650irq/122-eno122:00:142
173489966,0cyclictest61650irq/122-eno121:55:152
173489966,0cyclictest61650irq/122-eno120:38:572
173489966,0cyclictest61650irq/122-eno120:06:182
173489966,0cyclictest61650irq/122-eno120:00:122
173489966,0cyclictest61650irq/122-eno119:45:162
173489966,0cyclictest28-21ksoftirqd/220:15:312
173489965,1cyclictest61650irq/122-eno123:45:122
173489965,1cyclictest61650irq/122-eno123:15:112
173489965,1cyclictest61650irq/122-eno122:15:162
173489965,1cyclictest61650irq/122-eno120:10:142
173489965,1cyclictest61650irq/122-eno100:05:142
173489964,1cyclictest61650irq/122-eno123:00:132
173489964,1cyclictest28-21ksoftirqd/219:55:002
173489963,1cyclictest7461-21apt-get19:55:132
173489960,6cyclictest0-21swapper/223:32:362
173399963,1cyclictest0-21swapper/123:45:241
173399961,3cyclictest0-21swapper/122:10:421
173399960,6cyclictest0-21swapper/123:54:491
173399960,6cyclictest0-21swapper/122:45:161
173399960,6cyclictest0-21swapper/121:10:461
173399960,5cyclictest0-21swapper/120:05:161
173399960,5cyclictest0-21swapper/119:10:151
173399960,4cyclictest0-21swapper/121:58:211
173399960,4cyclictest0-21swapper/121:53:581
173399960,4cyclictest0-21swapper/121:32:481
173399960,3cyclictest0-21swapper/123:55:091
173399960,3cyclictest0-21swapper/123:20:121
173399960,3cyclictest0-21swapper/119:50:121
173399960,2cyclictest0-21swapper/120:15:101
173399960,0cyclictest0-21swapper/121:21:281
173389965,1cyclictest9-21ksoftirqd/023:40:140
173389965,1cyclictest11038-1kworker/u9:221:20:100
173389965,0cyclictest9-21ksoftirqd/020:45:010
173389965,0cyclictest9-21ksoftirqd/020:45:010
173389964,1cyclictest1566-21systemctl19:40:190
173389962,3cyclictest0-21swapper/020:35:120
173389961,4cyclictest0-21swapper/000:00:110
173389960,6cyclictest0-21swapper/020:59:300
173389960,5cyclictest27682-21/usr/sbin/munin19:30:170
173389960,5cyclictest0-21swapper/020:00:150
173389960,4cyclictest19277-21apt-get20:20:090
173389960,0cyclictest10818-21diskmemload22:30:160
173389960,0cyclictest10818-21diskmemload22:25:180
173389960,0cyclictest10818-21diskmemload22:25:180
173389960,0cyclictest0-21swapper/020:31:510
173389960,0cyclictest0-21swapper/019:37:250
5154250,0sleep10-21swapper/100:02:191
173489955,0cyclictest61650irq/122-eno120:40:452
173489955,0cyclictest61650irq/122-eno120:30:202
173489954,1cyclictest61650irq/122-eno120:20:142
173489953,1cyclictest28-21ksoftirqd/219:40:132
173489950,5cyclictest0-21swapper/220:58:212
173489950,4cyclictest25331-21/usr/sbin/munin19:25:172
173489950,4cyclictest0-21swapper/221:00:142
173489950,3cyclictest0-21swapper/220:25:152
173399954,1cyclictest0-21swapper/122:35:181
173399952,3cyclictest0-21swapper/120:40:121
173399951,3cyclictest0-21swapper/100:05:141
173399950,5cyclictest0-21swapper/120:50:321
173399950,5cyclictest0-21swapper/100:35:121
173399950,4cyclictest0-21swapper/123:16:541
173399950,4cyclictest0-21swapper/120:20:171
173399950,4cyclictest0-21swapper/119:45:151
173399950,4cyclictest0-21swapper/119:35:151
173399950,4cyclictest0-21swapper/100:32:061
173399950,3cyclictest0-21swapper/123:40:311
173399950,3cyclictest0-21swapper/122:15:341
173399950,3cyclictest0-21swapper/100:18:091
173399950,2cyclictest0-21swapper/123:07:021
173399950,2cyclictest0-21swapper/121:40:211
173399950,2cyclictest0-21swapper/121:15:151
173399950,2cyclictest0-21swapper/100:20:181
173399950,1cyclictest0-21swapper/123:35:141
173399950,0cyclictest0-21swapper/123:04:181
173399950,0cyclictest0-21swapper/122:21:081
173389953,1cyclictest9-21ksoftirqd/020:05:130
173399944,0cyclictest0-21swapper/119:59:071
173399943,1cyclictest22645-21chrt19:19:121
173399943,1cyclictest150182sleep123:30:181
173399942,0cyclictest0-21swapper/120:30:121
173399941,2cyclictest0-21swapper/122:50:121
173399941,1cyclictest0-21swapper/121:35:111
173399941,1cyclictest0-21swapper/119:25:121
173399940,3cyclictest0-21swapper/122:01:481
173399940,2cyclictest0-21swapper/121:45:101
173399940,2cyclictest0-21swapper/121:25:471
173399940,2cyclictest0-21swapper/120:25:161
173399940,2cyclictest0-21swapper/119:30:101
173399940,1cyclictest0-21swapper/122:55:321
173399940,1cyclictest0-21swapper/120:00:181
173399940,0cyclictest0-21swapper/121:09:061
173399940,0cyclictest0-21swapper/120:10:191
173399932,1cyclictest0-21swapper/120:55:161
173399931,1cyclictest0-21swapper/121:00:141
173399930,1cyclictest0-21swapper/120:45:161
173399930,1cyclictest0-21swapper/120:45:161
173399930,1cyclictest0-21swapper/120:35:111
173399930,1cyclictest0-21swapper/119:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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