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2026-08-16 - 19:08
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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 Aug 16, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
236392211172,26sleep30-21swapper/307:06:353
238542201146,21sleep20-21swapper/207:09:232
236472197158,25sleep10-21swapper/107:06:421
235742197157,26sleep00-21swapper/007:05:430
139182800,1sleep013917-21gltestperf09:50:160
129322670,0sleep10-21swapper/109:00:151
312432210,1sleep231248-21pmu-power11:00:202
292732200,0sleep121-21ksoftirqd/111:45:011
23982991313,0cyclictest9-21ksoftirqd/008:20:170
23982991211,1cyclictest9-21ksoftirqd/009:39:590
2400399110,10cyclictest1898-21apt-get07:30:123
2399499110,10cyclictest61650irq/122-eno110:52:092
2399299110,10cyclictest0-21swapper/109:05:181
2399299110,10cyclictest0-21swapper/107:35:201
2398299113,4cyclictest4373-21perf11:10:000
23982991110,1cyclictest9-21ksoftirqd/009:20:180
2399499109,1cyclictest30165-21ssh10:13:442
2399499100,10cyclictest0-21swapper/210:32:052
2398299109,1cyclictest9-21ksoftirqd/012:30:010
2398299108,1cyclictest9-21ksoftirqd/010:05:000
2398299108,1cyclictest9-21ksoftirqd/009:55:140
2398299108,1cyclictest9-21ksoftirqd/008:10:010
2398299107,1cyclictest9-21ksoftirqd/007:49:590
2398299100,7cyclictest11301-21snmpd11:28:280
240039998,0cyclictest0-21swapper/312:36:323
240039998,0cyclictest0-21swapper/312:36:323
240039995,3cyclictest27925-21aten_r1power_po09:25:123
239949990,1cyclictest0-21swapper/210:25:212
239929996,0cyclictest0-21swapper/112:08:351
239829998,1cyclictest9-21ksoftirqd/012:15:170
239829998,1cyclictest9-21ksoftirqd/011:20:130
239829998,1cyclictest9-21ksoftirqd/010:50:010
239829998,1cyclictest9-21ksoftirqd/010:20:010
239829998,1cyclictest9-21ksoftirqd/010:10:140
239829998,1cyclictest9-21ksoftirqd/009:25:160
239829998,1cyclictest9-21ksoftirqd/007:55:010
239829997,1cyclictest9-21ksoftirqd/012:10:150
239829997,1cyclictest9-21ksoftirqd/007:20:000
239829995,3cyclictest561-21nscd09:19:190
239829995,3cyclictest561-21nscd09:19:180
239829990,5cyclictest16637-21diskmemload10:42:250
240039988,0cyclictest35-21ksoftirqd/309:34:313
240039987,1cyclictest35-21ksoftirqd/310:49:153
240039986,1cyclictest23332-21apt-get08:15:143
240039986,1cyclictest23332-21apt-get08:15:133
240039986,1cyclictest11301-21snmpd11:21:233
240039986,1cyclictest11301-21snmpd09:42:283
240039986,1cyclictest11301-21snmpd08:45:203
240039981,6cyclictest1982-21sendmail-mta11:46:053
240039981,4cyclictest16637-21diskmemload09:20:213
240039980,6cyclictest0-21swapper/310:36:523
240039980,6cyclictest0-21swapper/310:10:123
240039980,5cyclictest0-21swapper/309:35:443
240039980,3cyclictest0-21swapper/309:59:193
239949988,0cyclictest0-21swapper/209:11:072
239949988,0cyclictest0-21swapper/209:11:072
239949988,0cyclictest0-21swapper/208:25:162
239949986,1cyclictest7008-21cat09:40:172
239949986,1cyclictest61650irq/122-eno111:39:242
239949986,1cyclictest61650irq/122-eno111:17:382
239949986,1cyclictest61650irq/122-eno111:11:122
239949986,1cyclictest61650irq/122-eno109:25:182
239949986,1cyclictest11301-21snmpd12:23:552
239949981,4cyclictest8751-21apt-get07:45:002
239949980,6cyclictest2315-21cron09:34:592
239949980,6cyclictest0-21swapper/211:26:562
239949980,4cyclictest12481-21cstates09:00:142
239949980,4cyclictest11301-21snmpd10:05:512
239929983,5cyclictest21-21ksoftirqd/110:50:111
239929980,7cyclictest0-21swapper/111:00:181
239929980,3cyclictest0-21swapper/108:35:111
239829988,0cyclictest9-21ksoftirqd/010:40:010
239829988,0cyclictest9-21ksoftirqd/010:25:110
239829987,1cyclictest9-21ksoftirqd/011:50:150
239829987,1cyclictest9-21ksoftirqd/011:15:150
239829987,1cyclictest9-21ksoftirqd/011:15:000
239829987,1cyclictest9-21ksoftirqd/010:20:170
239829987,1cyclictest9-21ksoftirqd/009:40:160
239829987,1cyclictest9-21ksoftirqd/007:20:150
239829986,1cyclictest9-21ksoftirqd/011:59:590
239829986,1cyclictest9-21ksoftirqd/011:50:010
239829986,1cyclictest9-21ksoftirqd/009:45:140
239829986,1cyclictest9-21ksoftirqd/008:05:000
239829986,1cyclictest9-21ksoftirqd/007:30:010
239829986,1cyclictest11301-21snmpd09:33:400
239829980,7cyclictest32460-21ssh11:02:330
239829980,4cyclictest12211-21perf10:34:590
240039976,1cyclictest19526-21cat11:30:153
240039976,1cyclictest11301-21snmpd10:56:573
240039976,1cyclictest11301-21snmpd07:35:273
240039975,1cyclictest3034-21ssh11:05:523
240039975,1cyclictest22174-21ssh10:00:333
240039975,1cyclictest11301-21snmpd11:42:203
240039975,1cyclictest11301-21snmpd09:12:193
240039975,1cyclictest11301-21snmpd09:12:183
240039975,1cyclictest11301-21snmpd08:41:453
240039975,1cyclictest11301-21snmpd08:28:353
240039975,1cyclictest11301-21snmpd08:13:203
240039975,1cyclictest11301-21snmpd08:09:523
240039975,1cyclictest11301-21snmpd08:00:433
240039975,1cyclictest11217-21ssh10:31:543
240039972,4cyclictest11301-21snmpd11:26:083
240039972,3cyclictest16637-21diskmemload10:26:093
240039971,6cyclictest18988-1kworker/u9:110:15:173
240039971,4cyclictest16637-21diskmemload11:39:393
240039971,3cyclictest16637-21diskmemload12:05:103
240039971,1cyclictest0-21swapper/309:00:113
240039970,5cyclictest0-21swapper/309:50:133
239949976,1cyclictest61650irq/122-eno111:55:162
239949976,1cyclictest61650irq/122-eno111:33:592
239949976,1cyclictest61650irq/122-eno111:20:022
239949976,1cyclictest61650irq/122-eno110:49:262
239949976,1cyclictest61650irq/122-eno110:40:192
239949976,1cyclictest61650irq/122-eno110:17:042
239949976,1cyclictest61650irq/122-eno109:50:182
239949976,1cyclictest61650irq/122-eno109:20:022
239949976,1cyclictest61650irq/122-eno107:15:002
239949976,1cyclictest11301-21snmpd10:39:312
239949976,0cyclictest61650irq/122-eno109:59:262
239949975,1cyclictest61650irq/122-eno112:35:112
239949975,1cyclictest61650irq/122-eno112:35:102
239949975,1cyclictest61650irq/122-eno109:15:102
239949975,1cyclictest61650irq/122-eno109:15:092
239949975,1cyclictest2850-21sed07:30:162
239949975,1cyclictest28456-21ssh10:55:572
239949975,1cyclictest11301-21snmpd12:19:152
239949975,1cyclictest11301-21snmpd10:00:192
239949972,3cyclictest30152-21sed11:45:172
239949971,3cyclictest14196-21latency_hist12:09:592
239949970,6cyclictest0-21swapper/212:25:132
239949970,3cyclictest5569-21ps07:35:192
239949970,3cyclictest0-21swapper/210:20:162
239929974,3cyclictest190752sleep109:12:141
239929974,3cyclictest190752sleep109:12:141
239929973,4cyclictest56-21kworker/1:110:05:261
239929970,7cyclictest0-21swapper/109:55:211
239929970,5cyclictest0-21swapper/110:16:421
239929970,4cyclictest0-21swapper/112:25:031
239929970,3cyclictest0-21swapper/109:40:181
239929970,2cyclictest0-21swapper/112:35:111
239929970,2cyclictest0-21swapper/112:35:101
239929970,1cyclictest0-21swapper/111:23:201
239929970,0cyclictest0-21swapper/109:20:131
239929970,0cyclictest0-21swapper/108:15:221
239929970,0cyclictest0-21swapper/108:15:211
239829977,0cyclictest9-21ksoftirqd/010:05:220
239829976,1cyclictest9-21ksoftirqd/012:30:120
239829976,1cyclictest9-21ksoftirqd/009:10:140
239829976,1cyclictest9-21ksoftirqd/009:10:140
239829976,1cyclictest9-21ksoftirqd/009:05:130
239829976,1cyclictest9-21ksoftirqd/008:35:110
239829976,1cyclictest9-21ksoftirqd/008:34:590
239829976,1cyclictest9-21ksoftirqd/007:30:250
239829975,1cyclictest9-21ksoftirqd/011:30:130
239829975,1cyclictest11301-21snmpd07:40:490
239829974,1cyclictest16637-21diskmemload12:21:140
239829971,2cyclictest9937-21ssh12:02:340
239829970,6cyclictest26589-21telnet10:55:120
239829970,6cyclictest24902-21perl07:10:160
239829970,6cyclictest15626-21users07:55:220
239829970,6cyclictest14082-21ssh12:09:400
239829970,1cyclictest25700-21ssh10:53:230
239829970,1cyclictest12672-21df_inode09:00:140
239829970,1cyclictest1065-21sh12:35:200
239829970,1cyclictest1065-21sh12:35:190
239829970,1cyclictest0-21swapper/011:43:550
239829970,1cyclictest0-21swapper/011:35:170
240039965,1cyclictest4834-21cat11:55:163
240039965,1cyclictest35-21ksoftirqd/307:45:173
240039965,1cyclictest23744-21ssh12:21:483
240039965,1cyclictest22514-21ssh09:15:583
240039965,1cyclictest22514-21ssh09:15:573
240039965,1cyclictest20772-21ssh12:18:363
240039965,1cyclictest18158-21ssh10:41:403
240039965,1cyclictest16581-21sshd09:09:253
240039965,1cyclictest11301-21snmpd10:05:383
240039964,1cyclictest35-21ksoftirqd/308:24:463
240039964,1cyclictest11301-21snmpd11:00:033
240039964,1cyclictest11301-21snmpd08:32:453
240039964,0cyclictest16637-21diskmemload12:00:483
240039964,0cyclictest16637-21diskmemload11:19:573
240039962,3cyclictest30369-21gltestperf07:20:153
240039961,4cyclictest16637-21diskmemload12:14:053
240039961,4cyclictest0-21swapper/312:25:393
240039960,4cyclictest16637-21diskmemload11:10:143
240039960,4cyclictest0-21swapper/308:39:593
240039960,2cyclictest0-21swapper/310:20:143
240039960,1cyclictest28512-21grep07:15:203
239949966,0cyclictest61650irq/122-eno111:50:212
239949966,0cyclictest61650irq/122-eno111:40:022
239949966,0cyclictest61650irq/122-eno109:05:162
239949966,0cyclictest61650irq/122-eno108:55:182
239949966,0cyclictest61650irq/122-eno108:32:172
239949966,0cyclictest61650irq/122-eno108:20:162
239949966,0cyclictest61650irq/122-eno108:05:562
239949966,0cyclictest61650irq/122-eno107:40:112
239949966,0cyclictest61650irq/122-eno107:26:262
239949965,1cyclictest61650irq/122-eno112:10:182
239949965,1cyclictest61650irq/122-eno111:05:142
239949965,1cyclictest61650irq/122-eno109:45:042
239949965,1cyclictest61650irq/122-eno107:10:132
239949965,0cyclictest61650irq/122-eno108:35:122
239949964,1cyclictest61650irq/122-eno112:00:192
239949964,1cyclictest61650irq/122-eno108:00:122
239949960,6cyclictest0-21swapper/209:35:092
239949960,4cyclictest0-21swapper/212:30:112
239949960,1cyclictest0-21swapper/207:21:172
239929966,0cyclictest0-21swapper/112:23:081
239929963,1cyclictest0-21swapper/112:04:111
239929961,1cyclictest0-21swapper/108:00:111
239929960,6cyclictest0-21swapper/112:32:331
239929960,6cyclictest0-21swapper/111:55:201
239929960,6cyclictest0-21swapper/110:45:091
239929960,6cyclictest0-21swapper/110:44:021
239929960,6cyclictest0-21swapper/109:29:241
239929960,6cyclictest0-21swapper/108:50:501
239929960,6cyclictest0-21swapper/107:59:221
239929960,5cyclictest0-21swapper/111:06:261
239929960,5cyclictest0-21swapper/107:10:161
239929960,2cyclictest0-21swapper/111:52:221
239929960,2cyclictest0-21swapper/111:25:171
239929960,2cyclictest0-21swapper/109:15:201
239929960,2cyclictest0-21swapper/109:15:191
239929960,1cyclictest0-21swapper/111:10:141
239929960,1cyclictest0-21swapper/107:40:141
239929960,0cyclictest0-21swapper/111:36:211
239929960,0cyclictest0-21swapper/110:10:161
239929960,0cyclictest0-21swapper/110:04:361
239829965,1cyclictest9-21ksoftirqd/008:40:140
239829964,1cyclictest11923-21munin-run09:00:000
239829962,1cyclictest5080-21/usr/sbin/munin08:45:120
239829960,5cyclictest7433-21/usr/sbin/munin08:50:180
239829960,5cyclictest0-21swapper/008:10:200
239829960,2cyclictest0-21swapper/008:15:140
239829960,2cyclictest0-21swapper/008:15:130
239829960,0cyclictest0-21swapper/008:25:220
239829960,0cyclictest0-21swapper/007:35:120
240039955,0cyclictest3040-21kworker/3:207:51:033
240039955,0cyclictest0-21swapper/307:57:373
240039953,1cyclictest29329-21runrttasks12:30:143
240039950,5cyclictest0-21swapper/308:55:133
240039950,5cyclictest0-21swapper/308:52:303
240039950,3cyclictest16637-21diskmemload11:50:023
240039950,2cyclictest0-21swapper/310:51:593
240039950,1cyclictest0-21swapper/309:45:143
239949955,0cyclictest61650irq/122-eno108:45:002
239949955,0cyclictest61650irq/122-eno108:18:122
239949955,0cyclictest61650irq/122-eno108:18:112
239949953,1cyclictest28-21ksoftirqd/207:55:122
239949953,1cyclictest12313-21grep07:50:152
239949951,1cyclictest7436-21apt-get08:50:132
239949950,4cyclictest0-21swapper/208:10:162
239929951,3cyclictest203-21jbd2/sda2-810:30:461
239929951,3cyclictest0-21swapper/111:15:521
239929951,3cyclictest0-21swapper/109:35:001
239929950,5cyclictest0-21swapper/112:12:301
239929950,5cyclictest0-21swapper/108:45:481
239929950,5cyclictest0-21swapper/108:40:171
239929950,3cyclictest0-21swapper/112:16:461
239929950,3cyclictest0-21swapper/110:24:161
239929950,2cyclictest0-21swapper/111:47:161
239929950,2cyclictest0-21swapper/111:30:211
239929950,2cyclictest0-21swapper/110:35:141
239929950,2cyclictest0-21swapper/110:25:511
239929950,2cyclictest0-21swapper/109:45:171
239929950,2cyclictest0-21swapper/109:37:271
239929950,1cyclictest0-21swapper/109:50:161
239929950,1cyclictest0-21swapper/107:50:171
240039942,1cyclictest32104-21basename07:25:143
240039942,1cyclictest24308-21aten_r1power_po07:10:143
240039940,2cyclictest0-21swapper/307:40:173
239949944,0cyclictest61650irq/122-eno108:40:122
239929942,2cyclictest0-21swapper/107:15:131
239929941,1cyclictest0-21swapper/108:20:151
239929941,1cyclictest0-21swapper/108:05:171
239929940,4cyclictest0-21swapper/108:10:131
239929940,3cyclictest0-21swapper/107:35:011
239929940,3cyclictest0-21swapper/107:20:171
239929940,2cyclictest0-21swapper/108:55:161
239929940,2cyclictest0-21swapper/108:28:591
239929940,2cyclictest0-21swapper/107:25:161
239929940,1cyclictest0-21swapper/110:55:151
239929940,0cyclictest0-21swapper/108:30:121
239929940,0cyclictest0-21swapper/107:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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