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2026-06-18 - 09:16
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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 the 376 highest latencies:
System rack1slot1.osadl.org (updated Thu Jun 18, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313552222157,25sleep10-21swapper/119:09:101
314062216152,51sleep00-21swapper/019:09:500
311312202164,25sleep30-21swapper/319:06:143
310952199161,24sleep20-21swapper/219:05:462
112582690,0sleep20-21swapper/221:35:122
29382660,0sleep10-21swapper/123:35:151
250712660,0sleep10-21swapper/120:00:191
161642610,0sleep20-21swapper/200:36:402
292782330,0sleep20-21swapper/222:43:252
3154199135,7cyclictest28997-21cat00:10:153
204032130,0sleep30-21swapper/319:50:213
31541991211,1cyclictest35-21ksoftirqd/322:40:003
3154199121,3cyclictest20476-21munin-run00:00:003
31512991210,1cyclictest9-21ksoftirqd/021:10:000
3154199115,5cyclictest24420-21ssh21:10:013
3154199115,5cyclictest20896-21ssh21:47:523
3154199113,1cyclictest240-21systemd-journal20:40:003
31541991110,1cyclictest35-21ksoftirqd/321:00:003
3154199111,1cyclictest28268-21chrt22:40:263
3154199110,3cyclictest0-21swapper/322:32:283
3154199110,1cyclictest0-21swapper/322:28:233
3153099119,1cyclictest28-21ksoftirqd/221:05:012
3151299110,10cyclictest24205-21diskmemload22:36:020
3154199104,1cyclictest17094-21ssh00:39:253
3154199104,1cyclictest15047-21ssh22:24:303
3154199104,1cyclictest11836-21ssh23:46:423
3154199103,1cyclictest31686-21if_eno123:30:153
3154199103,0cyclictest24205-21diskmemload00:25:483
3154199102,1cyclictest5130-21cpu22:55:123
3154199101,0cyclictest24205-21diskmemload23:43:043
3154199100,4cyclictest32532-21wc19:10:153
3154199100,4cyclictest0-21swapper/322:51:243
3154199100,2cyclictest240-21systemd-journal20:10:013
3154199100,1cyclictest240-21systemd-journal22:05:003
3154199100,1cyclictest240-21systemd-journal21:29:593
3154199100,1cyclictest240-21systemd-journal21:10:013
3154199100,1cyclictest240-21systemd-journal00:20:003
3153099104,3cyclictest61650irq/122-eno100:08:022
3151299109,1cyclictest9-21ksoftirqd/022:54:590
3151299103,4cyclictest1795-21wc23:35:000
315419993,1cyclictest4047-21ssh22:09:263
315419993,0cyclictest24205-21diskmemload23:02:503
315419993,0cyclictest24205-21diskmemload22:48:203
315419992,1cyclictest24189-21tune2fs20:00:133
315419992,1cyclictest17872-21mailstats19:45:173
315419991,0cyclictest24205-21diskmemload21:35:403
315419990,2cyclictest0-21swapper/323:06:123
315419990,1cyclictest240-21systemd-journal20:25:003
315419990,1cyclictest240-21systemd-journal19:40:013
315419990,1cyclictest0-21swapper/321:18:573
315309997,1cyclictest20499-21idleruntime-cro00:00:012
315129990,3cyclictest24205-21diskmemload22:00:240
315419987,1cyclictest35-21ksoftirqd/300:20:203
315419982,1cyclictest29695-21ssh23:27:333
315419982,1cyclictest14974-21ls21:40:123
315419981,2cyclictest0-21swapper/323:10:573
315419981,2cyclictest0-21swapper/323:10:563
315419981,1cyclictest26586-21/usr/sbin/munin21:55:143
315419981,1cyclictest0-21swapper/322:15:113
315419981,0cyclictest24205-21diskmemload21:30:143
315419980,8cyclictest0-21swapper/323:39:003
315419980,6cyclictest0-21swapper/323:18:163
315419980,1cyclictest0-21swapper/323:22:543
315419980,0cyclictest0-21swapper/300:02:563
315309988,0cyclictest0-21swapper/223:44:352
315309988,0cyclictest0-21swapper/221:20:112
315309987,1cyclictest0-21swapper/223:01:472
315309986,1cyclictest61650irq/122-eno123:50:012
315309986,1cyclictest61650irq/122-eno123:25:212
315309986,1cyclictest61650irq/122-eno122:30:192
315309986,1cyclictest61650irq/122-eno121:19:592
315309986,1cyclictest61650irq/122-eno120:15:112
315309986,1cyclictest1029-21snmpd22:55:182
315309986,1cyclictest1029-21snmpd20:51:582
315309986,1cyclictest1029-21snmpd19:36:352
315309986,1cyclictest1029-21snmpd19:33:302
315309984,2cyclictest240-21systemd-journal19:20:002
315189980,5cyclictest0-21swapper/119:15:131
315129987,1cyclictest9-21ksoftirqd/020:55:490
315129986,1cyclictest18025-21sh23:10:360
315129986,1cyclictest18025-21sh23:10:360
315129986,1cyclictest1029-21snmpd20:09:460
315129986,1cyclictest1029-21snmpd00:01:050
315129982,5cyclictest24205-21diskmemload22:15:140
315129980,7cyclictest9942-21ssh00:29:500
315129980,7cyclictest7627-21diskstats21:30:140
315129980,7cyclictest4893-21ssh23:38:270
315129980,4cyclictest1437-21munin-node21:03:160
315129980,4cyclictest13695-21perf00:35:010
315129980,3cyclictest0-21swapper/021:25:100
315419975,1cyclictest1029-21snmpd19:44:583
315419975,1cyclictest1029-21snmpd19:16:563
315419975,1cyclictest1029-21snmpd00:31:333
315419973,0cyclictest24205-21diskmemload23:53:463
315419972,2cyclictest13205-21tune2fs20:45:133
315419970,6cyclictest0-21swapper/321:50:143
315419970,4cyclictest20906-21awk21:00:173
315419970,4cyclictest0-21swapper/321:20:333
315309976,1cyclictest61650irq/122-eno122:48:062
315309976,1cyclictest61650irq/122-eno122:20:122
315309976,1cyclictest61650irq/122-eno122:13:342
315309976,1cyclictest61650irq/122-eno121:49:402
315309976,1cyclictest61650irq/122-eno100:20:122
315309976,1cyclictest61650irq/122-eno100:15:582
315309976,0cyclictest61650irq/122-eno123:05:192
315309975,1cyclictest61650irq/122-eno123:50:162
315309975,1cyclictest61650irq/122-eno121:55:012
315309975,1cyclictest61650irq/122-eno120:35:122
315309975,1cyclictest22344-21ssh23:17:302
315309975,1cyclictest1029-21snmpd22:26:082
315309975,1cyclictest1029-21snmpd20:22:152
315309975,1cyclictest1029-21snmpd00:34:262
315309975,1cyclictest0-21swapper/222:18:282
315309973,4cyclictest61650irq/122-eno100:00:332
315309972,3cyclictest61650irq/122-eno123:20:552
315309971,5cyclictest14853-21cpuspeed_turbos21:40:132
315309971,3cyclictest29648-21ssh22:00:102
315189974,2cyclictest29101-21chrt23:25:451
315189971,6cyclictest0-21swapper/122:45:291
315189971,6cyclictest0-21swapper/119:38:391
315189971,4cyclictest0-21swapper/100:10:171
315189970,7cyclictest0-21swapper/120:54:481
315189970,6cyclictest0-21swapper/123:40:451
315189970,6cyclictest0-21swapper/121:57:571
315189970,6cyclictest0-21swapper/100:20:161
315189970,4cyclictest0-21swapper/100:38:111
315189970,4cyclictest0-21swapper/100:25:131
315189970,1cyclictest0-21swapper/123:20:571
315189970,1cyclictest0-21swapper/120:49:281
315129976,1cyclictest23123-1kworker/u9:223:20:170
315129976,1cyclictest12832-21ssh22:20:170
315129975,1cyclictest6457-21ssh23:40:120
315129975,1cyclictest29132-21cron22:00:000
315129975,1cyclictest1029-21snmpd20:20:100
315129975,1cyclictest1029-21snmpd19:57:570
315129975,1cyclictest1029-21snmpd19:39:170
315129975,1cyclictest1029-21snmpd00:06:350
315129973,2cyclictest240-21systemd-journal20:19:550
315129971,6cyclictest0-21swapper/022:41:200
315129970,6cyclictest24205-21diskmemload21:35:470
315129970,6cyclictest20897-21ssh21:47:540
315129970,6cyclictest19649-21df_inode22:30:120
315129970,6cyclictest1923-21ssh21:22:110
315129970,6cyclictest14956-21ssh23:50:200
315129970,6cyclictest0-21swapper/023:15:100
315129970,6cyclictest0-21swapper/023:00:020
315129970,6cyclictest0-21swapper/021:10:240
315129970,6cyclictest0-21swapper/000:35:100
315129970,5cyclictest29528-21python00:10:190
315129970,3cyclictest24205-21diskmemload00:20:100
315129970,1cyclictest7689-21ssh22:14:270
315129970,1cyclictest7532-21ssh22:57:400
315129970,1cyclictest32465-21ssh00:15:150
315129970,1cyclictest29801-21ssh23:27:540
315129970,1cyclictest2695-21ssh22:05:240
315129970,1cyclictest25014-21ssh21:54:140
315129970,1cyclictest18776-21ssh23:55:210
315129970,1cyclictest17384-21ssh22:25:400
315129970,1cyclictest15802-21ntp_states21:40:180
315129970,1cyclictest14884-21ssh23:07:060
27662272,0sleep324205-21diskmemload00:09:383
315419965,1cyclictest1029-21snmpd20:16:483
315419965,1cyclictest1029-21snmpd19:59:303
315419965,1cyclictest1029-21snmpd19:27:263
315419964,1cyclictest1029-21snmpd20:53:263
315309966,0cyclictest61650irq/122-eno123:35:122
315309966,0cyclictest61650irq/122-eno123:30:072
315309966,0cyclictest61650irq/122-eno123:10:062
315309966,0cyclictest61650irq/122-eno123:10:062
315309966,0cyclictest61650irq/122-eno122:51:102
315309966,0cyclictest61650irq/122-eno122:05:352
315309966,0cyclictest61650irq/122-eno121:50:012
315309966,0cyclictest61650irq/122-eno121:30:462
315309966,0cyclictest61650irq/122-eno121:25:112
315309966,0cyclictest61650irq/122-eno121:10:202
315309966,0cyclictest61650irq/122-eno121:05:162
315309966,0cyclictest61650irq/122-eno120:47:382
315309966,0cyclictest61650irq/122-eno120:34:092
315309966,0cyclictest61650irq/122-eno120:27:192
315309966,0cyclictest61650irq/122-eno119:45:142
315309966,0cyclictest61650irq/122-eno119:40:122
315309966,0cyclictest61650irq/122-eno119:23:472
315309966,0cyclictest61650irq/122-eno100:25:272
315309966,0cyclictest61650irq/122-eno100:10:152
315309965,1cyclictest61650irq/122-eno120:05:122
315309964,1cyclictest416-21ntpq19:10:172
315309964,1cyclictest23692-21cat22:35:152
315309963,1cyclictest240-21systemd-journal20:00:012
315309960,6cyclictest0-21swapper/219:53:212
315309960,3cyclictest0-21swapper/220:10:102
315189965,1cyclictest0-21swapper/100:15:201
315189965,1cyclictest0-21swapper/100:03:101
315189963,2cyclictest269672sleep121:13:051
315189961,3cyclictest0-21swapper/122:09:121
315189961,3cyclictest0-21swapper/121:48:091
315189960,6cyclictest0-21swapper/123:09:541
315189960,6cyclictest0-21swapper/122:57:111
315189960,6cyclictest0-21swapper/122:31:021
315189960,6cyclictest0-21swapper/122:16:111
315189960,6cyclictest0-21swapper/121:44:001
315189960,6cyclictest0-21swapper/121:33:381
315189960,6cyclictest0-21swapper/121:30:001
315189960,5cyclictest0-21swapper/123:48:161
315189960,5cyclictest0-21swapper/122:20:101
315189960,5cyclictest0-21swapper/121:52:041
315189960,5cyclictest0-21swapper/121:21:091
315189960,5cyclictest0-21swapper/120:12:431
315189960,5cyclictest0-21swapper/119:34:561
315189960,5cyclictest0-21swapper/100:34:091
315189960,4cyclictest0-21swapper/122:52:051
315189960,3cyclictest0-21swapper/122:10:541
315189960,1cyclictest0-21swapper/123:57:171
315189960,1cyclictest0-21swapper/122:43:281
315189960,1cyclictest0-21swapper/122:38:101
315129964,1cyclictest1029-21snmpd20:51:130
315129963,2cyclictest1401-21cron19:14:590
315129962,3cyclictest9-21ksoftirqd/020:10:010
315129961,1cyclictest10286-21/usr/sbin/munin20:40:160
315129960,6cyclictest0-21swapper/022:45:100
315129960,6cyclictest0-21swapper/020:03:000
315129960,6cyclictest0-21swapper/019:41:190
315129960,6cyclictest0-21swapper/019:34:560
315129960,6cyclictest0-21swapper/019:20:210
315129960,5cyclictest0-21swapper/019:45:100
315129960,5cyclictest0-21swapper/019:15:100
315129960,3cyclictest0-21swapper/020:30:090
315129960,0cyclictest24205-21diskmemload23:45:050
315129960,0cyclictest0-21swapper/021:15:090
315129960,0cyclictest0-21swapper/019:25:100
315419953,1cyclictest4454-21tr20:25:183
315419953,1cyclictest29407-21cat20:10:143
315419952,2cyclictest6332-21taskset22:10:253
315419952,1cyclictest13650irq/124-ahci[0020:44:543
315419951,2cyclictest240-21systemd-journal20:34:543
315419950,0cyclictest0-21swapper/319:33:463
315419950,0cyclictest0-21swapper/319:24:143
315309955,0cyclictest61650irq/122-eno120:40:212
315309955,0cyclictest0-21swapper/220:00:382
315309954,1cyclictest0-21swapper/220:55:162
315309950,1cyclictest0-21swapper/219:25:142
315189955,0cyclictest0-21swapper/123:02:291
315189955,0cyclictest0-21swapper/121:35:301
315189953,2cyclictest0-21swapper/120:33:361
315189951,3cyclictest0-21swapper/123:10:191
315189951,3cyclictest0-21swapper/123:10:191
315189951,3cyclictest0-21swapper/120:40:121
315189951,1cyclictest0-21swapper/120:35:151
315189950,5cyclictest0-21swapper/123:52:141
315189950,5cyclictest0-21swapper/120:09:191
315189950,5cyclictest0-21swapper/119:45:571
315189950,4cyclictest0-21swapper/120:25:441
315189950,4cyclictest0-21swapper/100:08:031
315189950,3cyclictest0-21swapper/122:25:101
315189950,3cyclictest0-21swapper/121:15:171
315189950,2cyclictest0-21swapper/119:40:131
315189950,1cyclictest0-21swapper/123:31:041
315189950,1cyclictest0-21swapper/120:15:181
315129953,1cyclictest19606-21gltestperf19:50:150
315129950,5cyclictest0-21swapper/020:46:410
315129950,5cyclictest0-21swapper/020:35:160
315129950,4cyclictest0-21swapper/020:25:110
315189943,1cyclictest0-21swapper/120:55:131
315189940,4cyclictest0-21swapper/119:55:211
315189940,4cyclictest0-21swapper/119:54:131
315189940,3cyclictest0-21swapper/119:10:151
315189940,2cyclictest0-21swapper/123:15:171
315189940,2cyclictest0-21swapper/122:00:141
315189940,2cyclictest0-21swapper/121:00:101
315189940,1cyclictest0-21swapper/119:20:151
315189940,0cyclictest0-21swapper/121:05:191
315189931,1cyclictest0-21swapper/120:20:141
315189931,1cyclictest0-21swapper/119:25:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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