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2026-09-18 - 08:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack5slot1.osadl.org (updated Fri Sep 18, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2857139920,0EcMasterDemoSyn2858129tAtEmLog_020:12:315
1440739910,0EcMasterDemoSyn1441729tAtEmLog_019:42:065
213162870,0sleep50-21swapper/523:35:175
731139830,0EcMasterDemoSyn732129tAtEmLog_019:26:535
2147939830,1EcMasterDemoSyn2148929tAtEmLog_019:57:185
1386539830,0EcMasterDemoSyn1387529tAtEmLog_000:26:045
690539820,0EcMasterDemoSyn691529tAtEmLog_022:14:145
495639820,0EcMasterDemoSyn496629tAtEmLog_019:21:505
327639820,0EcMasterDemoSyn328629tAtEmLog_020:27:445
3018539820,0EcMasterDemoSyn3019529tAtEmLog_019:06:375
2385839820,0EcMasterDemoSyn2386829tAtEmLog_020:02:235
2018039820,0EcMasterDemoSyn2019029tAtEmLog_021:03:145
3161739810,0EcMasterDemoSyn3162729tAtEmLog_000:36:135
3093939810,0EcMasterDemoSyn3094929tAtEmLog_020:17:355
2849739810,0EcMasterDemoSyn2850729tAtEmLog_000:15:555
1912039810,0EcMasterDemoSyn1913029tAtEmLog_019:52:155
1780039810,0EcMasterDemoSyn1781029tAtEmLog_020:58:105
1484739810,0EcMasterDemoSyn1485729tAtEmLog_021:23:305
1202839810,0EcMasterDemoSyn1203829tAtEmLog_019:37:015
3054899200,9cyclictest9996-21runrttasks22:15:204
3054899200,9cyclictest785-21runrttasks19:20:094
3054899200,9cyclictest3652-21sh00:39:294
3054899200,9cyclictest24075-21chrt20:04:494
3054899190,9cyclictest9479-21sh22:34:024
3054899190,9cyclictest7918-21ssh22:50:504
3054899190,9cyclictest7089-21ssh22:14:204
3054899190,9cyclictest3443-21diskmemload23:25:174
3054899190,9cyclictest341-21sh23:41:504
3054899190,9cyclictest32460-21tr23:05:124
3054899190,9cyclictest3155-21ssh21:16:284
3054899190,9cyclictest31387-21sh23:22:504
3054899190,9cyclictest31387-21sh23:22:494
3054899190,9cyclictest30679-21diskmemload22:09:204
3054899190,9cyclictest26157-21sh23:01:044
3054899190,9cyclictest25635-21sh00:15:024
3054899190,9cyclictest23273-21/usr/sbin/munin21:10:204
3054899190,9cyclictest22224-21ssh23:35:314
3054899190,9cyclictest20959-21sh23:16:394
3054899190,9cyclictest20603-21sh00:11:324
3054899190,9cyclictest20098-21sh21:25:564
3054899190,9cyclictest20098-21sh21:25:554
3054899190,9cyclictest17497-21runrttasks23:51:284
3054899190,9cyclictest1643-21ssh22:29:454
3054899190,9cyclictest14567-21ssh23:31:214
3054899190,9cyclictest14202-21tr20:50:154
3054899190,9cyclictest13646-21ssh21:22:394
3054899190,9cyclictest12203-21hddtemp_smartct22:35:174
3054899190,9cyclictest11401-21runrttasks00:06:124
3054899190,8cyclictest28911-21ls21:50:014
60602180,0sleep00-21swapper/022:31:310
3054899184,6cyclictest9636-21ntpq20:40:194
3054899182,8cyclictest21082-21timerandwakeup19:55:234
3054899180,9cyclictest8097-21postgres20:37:594
3054899180,9cyclictest725-21sshd19:19:504
3054899180,9cyclictest5224-21diskmemload21:35:504
3054899180,9cyclictest3861-21ssh00:02:054
3054899180,9cyclictest32456-21sh21:33:324
3054899180,9cyclictest32292-21cat19:10:234
3054899180,9cyclictest31238-21sh22:45:374
3054899180,9cyclictest2730-21df_inode00:20:154
3054899180,9cyclictest26352-21sh22:43:314
3054899180,9cyclictest22836-21ssh23:55:114
3054899180,9cyclictest21847-21diskmemload22:22:154
3054899180,9cyclictest19751-21/usr/sbin/munin00:30:184
3054899180,9cyclictest1524-21sh21:52:254
3054899180,9cyclictest13304-21ssh23:12:274
3054899180,8cyclictest16769-21diskmemload22:55:394
3054899180,7cyclictest6085-21expr21:55:144
3054899180,7cyclictest14926-21ssh21:41:264
3054899180,10cyclictest1787-21df20:25:124
3053899186,8cyclictest21965-21grep23:35:240
3053899186,7cyclictest4458-21sh21:17:240
3053899180,14cyclictest14798-21sh21:23:300
3053899180,10cyclictest8149-21sh21:37:570
3053899180,10cyclictest27793-21sh22:07:160
3053899180,10cyclictest20720-21sh00:11:370
3053899180,10cyclictest13461-21sh23:30:310
922599170,7tDemoTimingTask17391-21chrt21:43:135
732299170,7tDemoTimingTask7880-21chrt19:30:025
361599170,7tDemoTimingTask7992-21chrt21:55:405
3154329170,7tAtEmLog_05295-21chrt23:08:015
3054899179,6cyclictest6035-21wc20:35:004
3054899174,6cyclictest15214-21expr19:45:144
3054899174,6cyclictest15214-21expr19:45:134
3054899174,6cyclictest11222-21cpuspeed_turbos20:45:144
3054899170,9cyclictest29102-21/usr/sbin/munin20:15:144
3054899170,9cyclictest18275-21sh22:01:454
3054899170,9cyclictest13037-21sh00:25:274
3054899170,9cyclictest11980-21chrt19:36:314
3054899170,8cyclictest13893-21switchtime19:40:234
3054899170,7cyclictest8765-21memory19:30:174
3054899170,10cyclictest30490-21latency_hist19:10:014
3054899170,10cyclictest10452-21sh23:47:444
3054799171,12cyclictest16-1pr/legacy19:37:003
3053899174,9cyclictest785-21runrttasks20:04:150
3053899170,9cyclictest785-21runrttasks19:14:500
3053899170,9cyclictest785-21runrttasks00:30:050
3053899170,9cyclictest30029-21sh21:31:440
3053899170,9cyclictest15762-21sh21:42:040
3053899170,9cyclictest13511-21sh23:12:360
277999170,10tDemoTimingTask3391-21taskset23:25:165
328629160,9tAtEmLog_03782-21taskset20:30:015
3054899161,8cyclictest16-1pr/legacy20:12:304
3054899160,7cyclictest7445-21taskset19:28:094
3054799168,6cyclictest26142-21grep00:15:143
3054799163,9cyclictest17475-21cpu19:50:123
3054799160,7cyclictest1798650latency_hist21:00:013
3054699160,9cyclictest18570-21ssh00:29:322
3054399168,6cyclictest24561-21grep23:00:201
3054399164,8cyclictest28410-21latency_hist23:40:011
3054399162,7cyclictest22947-21kworker/u24:3+nfsiod21:38:461
3053899160,9cyclictest785-21runrttasks20:59:370
3053899160,9cyclictest715-21snmpd22:27:540
3053899160,9cyclictest19312-21chrt19:54:190
3053899160,9cyclictest103-1kworker/0:1H+kblockd22:54:250
3053899160,8cyclictest785-21runrttasks21:08:410
3053899160,8cyclictest14938-21sh00:26:510
3053899160,7cyclictest25680-21ssh23:56:020
3053899160,11cyclictest25694-21ssh22:43:010
2793229160,7tAtEmLog_031123-21chrt22:45:315
1677329160,9tAtEmLog_016778-21chrt19:47:125
1677329160,9tAtEmLog_016778-21chrt19:47:115
1544339160,0EcMasterDemoSyn0-21swapper/520:53:055
503899150,13tDemoTimingTask8514-21chrt00:23:335
3054899156,2cyclictest0-21swapper/421:00:134
3054899150,8cyclictest968-21munin-node20:58:464
3054799154,8cyclictest1520-21hostname20:25:123
3054799150,9cyclictest785-21runrttasks22:02:573
3054799150,11cyclictest13288-21hddtemp_smartct19:40:163
3054699158,5cyclictest9942-21cron19:35:002
3054699157,6cyclictest8036-21munin-run23:10:002
3054699154,8cyclictest7565-21sshd19:29:502
3054699152,9cyclictest11867-21entropy22:35:162
30546991511,3cyclictest24097-21cron20:05:012
3054699151,10cyclictest32693-21ssh00:18:572
3054699150,11cyclictest8884-21ssh23:28:372
3054699150,10cyclictest15665-21cut22:00:182
3054399157,6cyclictest32071-21grep20:20:131
3054399153,8cyclictest5637-21cut19:25:141
3054399150,9cyclictest785-21runrttasks22:37:411
3054399150,9cyclictest7810-21sh21:55:321
3054399150,9cyclictest3148-21ssh22:11:311
3054399150,10cyclictest32762-21ssh22:46:461
3053899157,6cyclictest29508-21cut23:40:140
3053899157,6cyclictest17263-21wc19:50:010
3053899157,6cyclictest17263-21wc19:50:000
3053899153,9cyclictest8174-21sh00:23:170
3053899153,9cyclictest715-21snmpd23:22:210
3053899153,9cyclictest715-21snmpd23:22:200
3053899150,9cyclictest19378-21ssh22:39:500
3053899150,8cyclictest785-21runrttasks19:31:180
3053899150,13cyclictest103-1kworker/0:1H+kblockd00:05:160
3053899150,10cyclictest785-21runrttasks20:16:330
2712329150,6tAtEmLog_02278-21taskset21:52:575
1625329150,6tAtEmLog_017470-21taskset23:51:275
3054899142,8cyclictest20855-21cpuspeed21:05:124
3054799143,8cyclictest30052-21grep23:40:203
3054799143,8cyclictest18376-21missed_timers23:15:173
3054799141,9cyclictest301-21gltestperf22:10:153
3054799141,10cyclictest29012-21/usr/sbin/munin22:45:223
3054799140,9cyclictest18307-21/usr/sbin/munin21:00:143
3054799140,11cyclictest2728-21cpuspeed23:25:133
3054799140,10cyclictest9236-21ssh22:51:483
3054799140,10cyclictest9141-21taskset00:24:013
3054799140,10cyclictest8410-21sh21:20:013
3054799140,10cyclictest8371-21sh22:33:123
3054799140,10cyclictest785-21runrttasks23:20:523
3054799140,10cyclictest785-21runrttasks23:20:523
3054799140,10cyclictest785-21runrttasks20:45:423
3054799140,10cyclictest785-21runrttasks20:14:553
3054799140,10cyclictest6848-21runrttasks19:25:243
3054799140,10cyclictest6202-21/usr/sbin/munin20:35:253
3054799140,10cyclictest4855-21sh21:35:333
3054799140,10cyclictest3395-21sh21:53:473
3054799140,10cyclictest32181-21/usr/sbin/munin23:05:173
3054799140,10cyclictest32133-21/usr/sbin/munin21:15:133
3054799140,10cyclictest3132-21/usr/sbin/munin19:20:173
3054799140,10cyclictest30927-21cpu19:10:113
3054799140,10cyclictest29620-21ssh21:31:273
3054799140,10cyclictest28990-21ssh22:26:043
3054799140,10cyclictest25637-21ssh22:42:593
3054799140,10cyclictest25368-21sh23:00:293
3054799140,10cyclictest25293-21sh22:05:253
3054799140,10cyclictest24818-21chrt21:47:133
3054799140,10cyclictest24436-21ssh00:32:233
3054799140,10cyclictest23688-21users20:00:253
3054799140,10cyclictest23273-21/usr/sbin/munin21:10:143
3054799140,10cyclictest2312-21ssh00:38:293
3054799140,10cyclictest22756-21ssh23:35:543
3054799140,10cyclictest22664-21runrttasks21:09:303
3054799140,10cyclictest20141-21sh00:11:113
3054799140,10cyclictest19672-21/usr/sbin/munin19:55:183
3054799140,10cyclictest18828-21mailstats21:25:183
3054799140,10cyclictest18828-21mailstats21:25:183
3054799140,10cyclictest18542-21ssh23:52:143
3054799140,10cyclictest17830-21ssh22:20:143
3054799140,10cyclictest16163-21sh22:19:303
3054799140,10cyclictest15628-21/usr/sbin/munin22:55:183
3054799140,10cyclictest14970-21/usr/sbin/munin19:45:253
3054799140,10cyclictest14970-21/usr/sbin/munin19:45:253
3054799140,10cyclictest14121-21sh23:13:033
3054799140,10cyclictest13606-21sh23:30:373
3054799140,10cyclictest13148-21ssh00:25:333
3054799140,10cyclictest11553-21sh21:40:103
3054799140,10cyclictest11441-21/usr/sbin/munin22:35:203
3054699148,4cyclictest16-1pr/legacy00:36:102
3054699147,6cyclictest23588-21cut23:55:142
3054699146,6cyclictest2578-21cron19:17:012
3054699146,6cyclictest21866-21wc22:40:252
3054699145,8cyclictest21534-21/usr/sbin/munin21:05:192
3054699143,8cyclictest6323-21sort21:55:162
3054699143,8cyclictest10307-21wc22:15:232
3054699141,9cyclictest26750-21/usr/sbin/munin20:10:172
3054699141,9cyclictest14970-21/usr/sbin/munin19:45:172
3054699141,9cyclictest14970-21/usr/sbin/munin19:45:172
30546991411,2cyclictest0-21swapper/223:15:122
3054699141,10cyclictest785-21runrttasks20:22:462
3054699141,10cyclictest32061-21/usr/sbin/munin19:10:212
3054699140,10cyclictest8617-21sh00:23:372
3054699140,10cyclictest8532-21sh22:51:172
3054699140,10cyclictest820-21rm23:42:092
3054699140,10cyclictest785-21runrttasks22:25:302
3054699140,10cyclictest785-21runrttasks20:39:282
3054699140,10cyclictest785-21runrttasks19:54:312
3054699140,10cyclictest785-21runrttasks19:37:202
3054699140,10cyclictest6732-21ssh21:19:012
3054699140,10cyclictest5650-21sh22:31:132
3054699140,10cyclictest5350-21aten2_r5power_e23:45:112
3054699140,10cyclictest5319-21diskmemload21:35:522
3054699140,10cyclictest5266-21sh22:13:022
3054699140,10cyclictest3795-21/usr/sbin/munin20:30:162
3054699140,10cyclictest32013-21/usr/sbin/munin00:00:232
3054699140,10cyclictest31468-21ssh22:09:562
3054699140,10cyclictest31046-21runrttasks20:18:322
3054699140,10cyclictest28768-21ssh22:45:022
3054699140,10cyclictest28369-21sh23:20:372
3054699140,10cyclictest28369-21sh23:20:362
3054699140,10cyclictest27918-21timerandwakeup21:30:232
3054699140,10cyclictest2789-21ssh21:53:212
3054699140,10cyclictest25013-21ssh00:32:492
3054699140,10cyclictest24647-21grep23:00:212
3054699140,10cyclictest23292-21diskmemload21:10:132
3054699140,10cyclictest23026-21ssh00:13:192
3054699140,10cyclictest21272-21ssh23:54:162
3054699140,10cyclictest20961-21cat19:55:232
3054699140,10cyclictest19657-21ssh21:25:362
3054699140,10cyclictest19657-21ssh21:25:352
3054699140,10cyclictest18156-21ssh22:56:392
3054699140,10cyclictest17410-21/usr/sbin/munin22:20:242
3054699140,10cyclictest15921-21chrt20:55:032
3054699140,10cyclictest14462-21runrttasks19:42:192
3054699140,10cyclictest13294-21rm23:12:262
3054699140,10cyclictest11355-21/usr/sbin/munin23:30:252
3054699140,10cyclictest10630-21latency_hist20:45:012
3054699140,10cyclictest10363-21ssh00:05:282
3054399141,9cyclictest9618-21/usr/sbin/munin22:15:171
3054399141,9cyclictest4649-21latency_hist00:39:591
3054399141,9cyclictest290-21jbd2/md0-800:20:151
3054399141,9cyclictest19497-21sh23:34:571
3054399141,9cyclictest17677-21df_inode19:50:121
3054399141,10cyclictest14840-21python320:50:231
3054399140,9cyclictest14216-21sh21:40:571
3054399140,8cyclictest2466-21ssh21:53:071
3054399140,10cyclictest9665-21awk00:05:211
3054399140,10cyclictest9129-21sh23:46:461
3054399140,10cyclictest8773-21ssh23:28:331
3054399140,10cyclictest785-21runrttasks00:04:361
3054399140,10cyclictest5691-21sh21:18:171
3054399140,10cyclictest32181-21/usr/sbin/munin23:05:141
3054399140,10cyclictest28506-21sh23:20:431
3054399140,10cyclictest28506-21sh23:20:421
3054399140,10cyclictest27074-21/usr/sbin/munin00:15:191
3054399140,10cyclictest26110-21ssh21:30:041
3054399140,10cyclictest24768-21ssh21:10:221
3054399140,10cyclictest24026-21tr22:05:151
3054399140,10cyclictest23989-21chrt20:03:411
3054399140,10cyclictest22793-21ssh23:55:091
3054399140,10cyclictest22561-21ssh22:40:431
3054399140,10cyclictest20600-21sh23:53:461
3054399140,10cyclictest18255-21sh22:01:431
3054399140,10cyclictest18036-21sh00:10:191
3054399140,10cyclictest17349-21ssh22:20:081
3054399140,10cyclictest16090-21wc19:45:211
3054399140,10cyclictest16090-21wc19:45:201
3054399140,10cyclictest15058-21ssh00:26:551
3054399140,10cyclictest14600-21sh21:23:211
3054399140,10cyclictest1275-21ssh23:42:291
3054399140,10cyclictest12673-21ssh23:12:001
3054399140,10cyclictest10244-21/usr/sbin/munin19:35:231
3053899146,6cyclictest9286-21ssh21:56:380
3053899143,9cyclictest24154-21sh21:10:170
3053899142,9cyclictest16959-21ssh22:00:460
3053899141,9cyclictest20671-21diskmemload23:16:260
3053899141,9cyclictest13002-21runrttasks22:17:150
3053899141,10cyclictest3556-21/usr/sbin/munin23:25:170
3053899140,7cyclictest32127-21atemtest22:10:110
3053899140,7cyclictest31730-21sh00:18:140
3053899140,7cyclictest31575-21runrttasks22:45:530
3053899140,7cyclictest25734-21latency_hist21:30:010
3053899140,7cyclictest25734-21latency_hist21:30:000
3053899140,7cyclictest23520-21grep23:00:140
3053899140,7cyclictest15744-21grep22:55:200
3053899140,6cyclictest103-1kworker/0:1H+kblockd20:46:410
3053899140,12cyclictest5245-21ssh23:45:080
3053899140,12cyclictest31636-21ssh00:36:130
3053899140,12cyclictest29411-21cpuspeed21:50:110
3053899140,12cyclictest24671-21sh21:47:050
3053899140,10cyclictest5607-21chrt20:31:490
3053899140,10cyclictest19651-21rm22:20:390
3053899140,10cyclictest1730-21ssh00:00:340
3053899140,10cyclictest15994-21unixbench_singl23:50:270
3053899140,10cyclictest13298-21idleruntime19:40:160
922599136,0tDemoTimingTask0-21swapper/521:38:495
691699130,11tDemoTimingTask10669-21chrt22:15:335
569999130,10tDemoTimingTask7821-21taskset20:35:255
445529130,11tAtEmLog_05369-21chrt22:50:095
3054899130,9cyclictest26314-21runrttasks20:08:184
3054899130,9cyclictest17975-21tail19:50:154
3054899130,9cyclictest1271-21latency_hist20:25:014
3054799130,9cyclictest9743-21taskset19:32:243
3054799130,9cyclictest9531-21/usr/sbin/munin20:40:193
3054799130,9cyclictest724-21/usr/sbin/munin19:15:133
3054799130,9cyclictest4049-21cut20:30:133
3054799130,9cyclictest31488-21/usr/sbin/munin20:20:173
3054799130,9cyclictest23600-21ssh23:55:163
3054799130,9cyclictest13581-21/usr/sbin/munin20:50:113
3054799130,10cyclictest9784-21mailstats00:05:223
3054799130,10cyclictest5539-21ssh21:55:053
3054799130,10cyclictest5283-21ssh23:45:093
3054799130,10cyclictest29094-21runrttasks20:15:053
3054799130,10cyclictest25788-21sed20:05:253
3054799130,10cyclictest1785-21sh00:00:363
3054699134,5cyclictest18685-21fschecks_count21:00:142
3054699130,9cyclictest785-21runrttasks23:35:072
3054699130,9cyclictest4578-21timerandwakeup19:20:242
3054699130,9cyclictest24400-21/usr/sbin/munin20:05:192
3054699130,9cyclictest21161-21hddtemp_smartct21:45:162
3054699130,9cyclictest15755-21cat20:55:002
3054699130,9cyclictest11700-21cut21:40:142
3054699130,9cyclictest10930-21/usr/sbin/munin20:45:242
3054699130,10cyclictest8593-21ssh21:20:092
3054699130,10cyclictest3123-21runrttasks20:25:492
3054399135,6cyclictest14256-21sed22:55:001
3054399134,7cyclictest13242-21gltestperf19:40:151
3054399130,9cyclictest7892-21/usr/sbin/munin19:30:131
3054399130,9cyclictest785-21runrttasks19:22:461
3054399130,9cyclictest7032-21latency20:35:181
3054399130,9cyclictest6119-21latency_hist20:34:591
3054399130,9cyclictest5203-21ssh22:50:011
3054399130,9cyclictest5109-21sh22:30:501
3054399130,9cyclictest3103-21taskset20:25:321
3054399130,9cyclictest30802-21/usr/sbin/munin19:10:151
3054399130,9cyclictest29093-21runrttasks20:15:051
3054399130,9cyclictest27303-21perl20:10:141
3054399130,9cyclictest2724-21runrttasks19:18:571
3054399130,9cyclictest25992-21ssh22:25:021
3054399130,9cyclictest24433-21aten2_r5power_c20:05:121
3054399130,9cyclictest20668-21atemtest21:05:131
3054399130,9cyclictest20305-21sh23:16:091
3054399130,9cyclictest20171-21sh21:45:001
3054399130,9cyclictest18307-21/usr/sbin/munin21:00:181
3054399130,9cyclictest17303-21sh21:25:041
3054399130,9cyclictest17303-21sh21:25:031
3054399130,9cyclictest10922-21taskset20:45:041
3054399130,7cyclictest17131-21tr20:55:201
3054399130,10cyclictest21950-21chrt00:30:361
3053899130,9cyclictest785-21runrttasks20:40:130
3053899130,9cyclictest24545-21cpu20:05:130
3053899130,9cyclictest19156-21sed21:00:180
3053899130,9cyclictest11119-21memory19:35:170
3053899130,7cyclictest103-1kworker/0:1H+kblockd20:50:340
3053899130,7cyclictest103-1kworker/0:1H+kblockd19:20:270
3053899130,6cyclictest785-21runrttasks20:20:150
3053899130,10cyclictest5617-21basename19:25:140
3053899130,10cyclictest32416-21cpuspeed23:05:110
3053899130,10cyclictest30583-21grep19:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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