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2026-09-20 - 08:50
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Sun Sep 20, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1561121810,4sleep21529599cyclictest02:37:202
2611321500,3sleep21529599cyclictest00:02:302
1068911070,4ptp4l401ktimersoftd/321:41:363
152102860,3sleep3391rcuc/300:25:443
15299997315,27cyclictest31677-21sh01:47:283
15299997114,26cyclictest13047-21sh03:07:523
15299997113,28cyclictest22554-21sh23:59:443
15299997013,25cyclictest20028-21sh02:41:343
15299997012,26cyclictest7619-21sh02:30:213
15299996913,26cyclictest2655-21sh01:18:293
1529999679,28cyclictest25199-21sh01:08:163
1529999679,28cyclictest25199-21sh01:08:163
148942654,10sleep00-21swapper/021:41:510
1529999600,26cyclictest16573-21ssh01:00:083
137592600,4sleep1241ktimersoftd/102:01:571
15299995810,28cyclictest30275-21sh02:20:163
15295995714,7cyclictest33-21ksoftirqd/200:28:532
1529999566,27cyclictest29131-21sh01:11:383
1529999561,20cyclictest5090-21taskset00:15:203
1529999560,26cyclictest28811-21chrt23:18:313
1529999560,25cyclictest27431-21ssh02:50:443
1529999552,21cyclictest8418-21diskmemload02:55:153
1529999552,21cyclictest8418-21diskmemload02:55:153
1529999550,25cyclictest23261-21sh02:11:323
1529599554,7cyclictest28994-21munin-run23:20:412
171432540,1sleep00-21swapper/002:39:580
1529599549,7cyclictest33-21ksoftirqd/200:06:042
119912540,4sleep233-21ksoftirqd/201:27:252
175312530,2sleep30-21swapper/323:54:283
1529999537,28cyclictest28260-21sh00:05:483
1529999532,24cyclictest14758-21snmpd02:05:303
1529999527,27cyclictest459-21sh00:42:323
15299995215,25cyclictest7271-21sh01:23:023
1529999520,26cyclictest7866-21seq22:35:523
1529599524,7cyclictest33-21ksoftirqd/202:20:452
49652510,2sleep10-21swapper/101:21:021
263542510,2sleep20-21swapper/201:41:392
15299995115,24cyclictest19244-21sh03:15:093
15299995115,20cyclictest8932-21cpuspeed_turbos23:45:563
15299995114,20cyclictest18715-21/usr/sbin/munin21:51:093
1529999511,25cyclictest19028-21sh00:28:473
1529599514,7cyclictest26649-21awk01:10:442
1529599514,7cyclictest26649-21awk01:10:442
1529099515,18cyclictest17657-21grep01:00:591
192422500,2sleep00-21swapper/023:56:010
1529999509,25cyclictest9881-21sh00:51:583
1529999501,26cyclictest5023-21sh03:00:493
1529599504,7cyclictest28409-21hddtemp_smartct02:51:052
1529599504,7cyclictest28409-21hddtemp_smartct02:51:052
1529599503,5cyclictest18273-21munin-run23:55:422
15295995032,3cyclictest33-21ksoftirqd/202:02:342
1529099504,17cyclictest8418-21diskmemload01:45:401
1529599496,9cyclictest33-21ksoftirqd/221:50:392
1529599496,9cyclictest33-21ksoftirqd/200:41:032
1529599494,7cyclictest6256-21memory03:01:082
1529599494,7cyclictest33-21ksoftirqd/203:15:472
1529599494,7cyclictest33-21ksoftirqd/201:11:062
1529599494,6cyclictest33-21ksoftirqd/202:26:082
15295994944,2cyclictest311rcuc/223:39:012
1529599493,7cyclictest9548-21ps23:46:012
1529599493,7cyclictest33-21ksoftirqd/223:00:412
1529599491,8cyclictest33-21ksoftirqd/201:46:052
15295994914,7cyclictest33-21ksoftirqd/201:39:172
1529099495,12cyclictest21987-21sed23:05:411
1529099495,12cyclictest1943-21mailstats22:21:061
1529999487,28cyclictest23574-21sh01:40:153
1529999481,26cyclictest9796-21sh01:58:523
1529999480,32cyclictest20762-21taskset01:04:003
1529999480,24cyclictest5133-21taskset01:54:143
1529599486,9cyclictest33-21ksoftirqd/203:10:472
1529599486,9cyclictest33-21ksoftirqd/202:56:052
1529599485,9cyclictest33-21ksoftirqd/200:46:032
1529599484,10cyclictest33-21ksoftirqd/200:11:132
1529099484,12cyclictest11705-21switchtime22:41:121
1529999471,25cyclictest19736-21taskset02:08:523
1529999471,24cyclictest2661-21runrttasks00:45:533
1529999471,21cyclictest0-21swapper/301:43:473
1529599476,9cyclictest33-21ksoftirqd/222:10:402
1529599474,7cyclictest18051-21ssh02:06:152
1529599474,7cyclictest14743-21munin-run22:50:402
1529599474,6cyclictest29928-21munin-run00:40:432
1529599473,8cyclictest33-21ksoftirqd/223:01:082
1528399472,39cyclictest0-21swapper/002:30:590
1529999460,25cyclictest3459-21taskset23:33:063
1529999460,25cyclictest28735-21taskset00:38:423
1529999460,24cyclictest1886-21taskset02:23:493
1529999460,22cyclictest0-21swapper/301:31:583
1529599466,8cyclictest33-21ksoftirqd/201:31:072
1529599465,9cyclictest33-21ksoftirqd/202:41:052
1529599465,9cyclictest33-21ksoftirqd/202:11:002
1529599463,8cyclictest33-21ksoftirqd/222:10:542
1529599462,11cyclictest33-21ksoftirqd/223:26:032
1529599462,11cyclictest33-21ksoftirqd/223:26:032
15295994620,4cyclictest33-21ksoftirqd/201:23:212
1529599461,7cyclictest33-21ksoftirqd/200:16:122
1528399463,36cyclictest0-21swapper/000:25:550
1529999451,24cyclictest30125-21taskset22:12:573
1529999450,31cyclictest21694-21taskset23:03:353
1529999450,24cyclictest25562-21taskset00:01:333
1529999450,23cyclictest23085-21taskset21:58:473
1529599456,9cyclictest33-21ksoftirqd/201:15:562
1529599455,9cyclictest33-21ksoftirqd/223:06:042
1529599455,9cyclictest33-21ksoftirqd/222:20:412
1529599454,6cyclictest33-21ksoftirqd/222:55:402
1529599454,6cyclictest11726-21ssh00:55:132
1529599453,7cyclictest33-21ksoftirqd/223:55:582
1529599453,7cyclictest33-21ksoftirqd/201:51:032
1529599452,7cyclictest33-21ksoftirqd/223:35:422
1529599452,7cyclictest33-21ksoftirqd/202:31:042
1529599452,5cyclictest33-21ksoftirqd/202:21:072
1529599451,8cyclictest33-21ksoftirqd/201:56:022
1529599451,6cyclictest33-21ksoftirqd/200:31:132
1529099457,12cyclictest27536-21grep02:16:081
1529999441,30cyclictest16800-21taskset22:51:473
1529999441,26cyclictest26392-21taskset23:13:083
1529999441,22cyclictest12317-21ssh02:35:053
15299994411,22cyclictest1055-21runrttasks23:00:093
1529999440,23cyclictest2268-21taskset02:56:263
1529999440,23cyclictest10008-21turbostat22:45:363
1529999440,22cyclictest11830-21runrttasks01:27:083
1529599445,9cyclictest33-21ksoftirqd/202:46:042
1529599444,6cyclictest33-21ksoftirqd/200:56:132
1529599443,7cyclictest33-21ksoftirqd/201:05:442
1529599442,6cyclictest33-21ksoftirqd/222:41:022
1529599441,7cyclictest33-21ksoftirqd/200:21:112
1529099444,17cyclictest8418-21diskmemload02:37:251
1528399442,37cyclictest0-21swapper/002:51:000
1528399442,37cyclictest0-21swapper/002:51:000
15299994312,19cyclictest15603-21sh02:37:193
1529599434,7cyclictest33-21ksoftirqd/221:51:022
1529599434,5cyclictest33-21ksoftirqd/223:10:542
1529599433,9cyclictest33-21ksoftirqd/222:35:592
1529599431,7cyclictest33-21ksoftirqd/222:05:402
1528399433,34cyclictest0-21swapper/000:05:560
1529999421,23cyclictest32450-21taskset22:17:083
1529999420,23cyclictest24472-21sh00:34:473
1529599424,9cyclictest33-21ksoftirqd/222:31:012
1529599421,7cyclictest33-21ksoftirqd/221:55:562
1528399422,5cyclictest4377-21apt-get01:20:560
134012423,23sleep213466-21/usr/sbin/munin21:40:562
1529999411,25cyclictest25453-21taskset22:03:473
1529999410,25cyclictest1277-21taskset23:30:333
1529999410,25cyclictest1277-21taskset23:30:333
1529999410,24cyclictest7486-21runrttasks22:34:033
1529999410,23cyclictest0-21swapper/323:21:273
1529999410,23cyclictest0-21swapper/323:21:273
1529999410,22cyclictest15466-21runrttasks21:45:473
1529599415,9cyclictest33-21ksoftirqd/222:26:002
1529599412,7cyclictest33-21ksoftirqd/223:40:562
1528399412,5cyclictest0-21swapper/000:50:550
1528399412,34cyclictest0-21swapper/000:45:580
1529999401,26cyclictest5860-21chrt23:38:183
1529999401,23cyclictest8296-21taskset00:17:263
1529999400,23cyclictest2396-21chrt22:22:103
1529599400,12cyclictest33-21ksoftirqd/222:22:162
1528399403,9cyclictest23525-21apt-get00:00:550
1528399403,10cyclictest21179-21apt-get21:55:510
1528399402,8cyclictest10277-21apt-get03:05:590
1528399402,33cyclictest0-21swapper/022:15:530
1528399402,33cyclictest0-21swapper/001:45:580
15283994012,25cyclictest32698-21sed01:16:030
1529599390,7cyclictest33-21ksoftirqd/223:20:552
1529599390,7cyclictest33-21ksoftirqd/223:20:552
1529099395,18cyclictest8418-21diskmemload01:52:111
1528399393,8cyclictest18794-21apt-get21:50:520
1528399392,6cyclictest24276-21apt-get01:40:580
15283993911,25cyclictest2237-21sed22:21:120
15290993822,7cyclictest8418-21diskmemload03:05:591
1528399383,9cyclictest16392-21apt-get02:05:590
1528399383,9cyclictest13750-21apt-get23:50:550
1528399383,5cyclictest28281-21apt-get22:10:520
1528399383,30cyclictest21242-21ssh02:10:570
1528399382,5cyclictest0-21swapper/001:30:570
1528399382,4cyclictest0-21swapper/000:20:540
15283993814,21cyclictest26960-21/usr/sbin/munin01:11:050
15283993813,22cyclictest31581-21/usr/sbin/munin23:25:580
15283993813,22cyclictest31581-21/usr/sbin/munin23:25:580
1528399378,4cyclictest5353-21wc22:30:410
1528399373,5cyclictest3996-21apt-get23:35:560
1528399372,7cyclictest29293-21apt-get23:20:530
1528399372,7cyclictest29293-21apt-get23:20:530
1528399372,5cyclictest6362-21apt-get23:40:540
1528399372,5cyclictest12465-21apt-get00:55:570
1528399372,31cyclictest0-21swapper/002:15:570
1528399371,33cyclictest23394-21cut02:46:030
15283993713,21cyclictest8418-21diskmemload01:27:330
15283993711,23cyclictest8171-21sh03:03:140
106891370,1ptp4l401ktimersoftd/323:07:363
1528399362,6cyclictest19408-21apt-get01:35:570
1528399362,5cyclictest0-21swapper/002:00:570
1528399362,11cyclictest9265-21cut22:36:040
15283993611,22cyclictest23283-21phc2sys23:06:030
106891360,1ptp4l401ktimersoftd/322:45:573
15290993522,7cyclictest29135-21apt-get01:45:581
1528399359,3cyclictest29161-21date23:20:410
1528399354,4cyclictest1888-21fschecks_count01:51:000
1528399353,6cyclictest6445-21apt-get01:55:580
1528399353,5cyclictest17445-21apt-get22:55:560
1528399352,6cyclictest32748-21apt-get02:55:590
15283993511,21cyclictest27550-21unixbench_singl22:06:090
1528399351,10cyclictest31377-21tune2fs02:21:030
15283993510,3cyclictest5997-21sh02:27:320
15283993510,3cyclictest23468-21/usr/sbin/munin22:01:030
1528399350,3cyclictest0-21swapper/001:02:590
1529099341,12cyclictest0-21swapper/102:24:001
1528399349,4cyclictest15510-21cut03:11:040
1528399348,3cyclictest2510-21timerwakeupswit00:11:120
1528399342,6cyclictest10663-21grep22:40:590
15283993411,20cyclictest26606-21latency_hist23:15:410
15283993410,3cyclictest8418-21diskmemload00:19:120
1528399340,5cyclictest7719-21cat22:35:410
1528399340,4cyclictest22721-21cat02:45:460
1528399340,32cyclictest0-21swapper/001:09:190
1528399340,32cyclictest0-21swapper/001:09:190
1529999330,21cyclictest4939-21chrt22:26:443
1529099333,11cyclictest0-21swapper/101:36:131
15290993320,7cyclictest26923-21apt-get23:15:541
15290993319,10cyclictest23534-21ssh00:00:561
15290993311,18cyclictest17876-21date21:50:401
1528399334,4cyclictest31575-21proc_pri00:41:060
1528399333,5cyclictest25830-21fschecks_time00:35:570
1528399332,7cyclictest8418-21diskmemload00:30:560
1528399332,6cyclictest2261-21irqrtprio23:31:010
15283993310,3cyclictest8418-21diskmemload23:45:430
15290993219,7cyclictest15686-21apt-get00:25:551
1528399322,4cyclictest21148-21snmp_o5powerctl23:01:060
1528399321,6cyclictest15497-21sed22:50:570
15283993210,19cyclictest13024-21fschecks_time22:45:560
1529099316,11cyclictest17771-21mailstats02:06:101
15290993119,7cyclictest28409-21apt-get00:05:561
15290993118,7cyclictest31931-21apt-get01:15:571
1528399316,3cyclictest15694-21tr21:45:570
1529999300,26cyclictest26320-21grep22:05:573
15290993018,7cyclictest27883-21apt-get02:51:001
15290993018,7cyclictest27883-21apt-get02:51:001
15290993018,7cyclictest12479-21ssh00:55:571
15290993017,7cyclictest8272-21apt-get02:31:001
15290993017,7cyclictest14325-21apt-get01:30:571
15290993016,9cyclictest10589-21apt-get00:20:541
15290993013,12cyclictest0-21swapper/123:50:561
15290993011,14cyclictest0-21swapper/123:35:561
1529999290,24cyclictest6455-21cut23:40:553
15290992917,7cyclictest30670-21apt-get22:15:531
15290992917,6cyclictest7613-21apt-get00:50:551
142352293,13sleep113063-21/usr/sbin/munin21:41:031
15290992822,3cyclictest25-21ksoftirqd/102:55:581
15290992818,4cyclictest18704-21apt-get23:55:571
15290992812,14cyclictest22317-21grep02:11:051
15290992812,12cyclictest0-21swapper/123:20:531
15290992812,12cyclictest0-21swapper/123:20:531
15290992812,11cyclictest0-21swapper/123:25:521
15290992812,11cyclictest0-21swapper/123:25:521
15290992811,13cyclictest0-21swapper/122:10:521
1529099279,15cyclictest4791-21/usr/sbin/munin02:26:081
1529099278,16cyclictest6445-21apt-get01:55:591
1529099278,15cyclictest0-21swapper/123:40:541
15290992713,9cyclictest25909-21gltestperf00:35:581
15290992711,12cyclictest0-21swapper/101:05:561
15290992711,12cyclictest0-21swapper/101:05:561
1529099269,14cyclictest31541-21awk01:15:441
1529099268,15cyclictest0-21swapper/122:25:511
15290992619,4cyclictest25-21ksoftirqd/123:06:071
15290992614,7cyclictest2785-21apt-get00:45:581
15290992611,10cyclictest0-21swapper/121:55:511
1529099259,8cyclictest19063-21memory02:41:071
1529099259,12cyclictest2443-21timerandwakeup00:11:121
15290992517,5cyclictest25-21ksoftirqd/123:35:411
15290992516,5cyclictest30248-21/usr/sbin/munin00:41:131
15290992515,7cyclictest14286-21unixbench_multi22:46:091
15290992511,11cyclictest16705-21sh03:11:171
15290992511,10cyclictest0-21swapper/121:50:521
1529099246,13cyclictest0-21swapper/122:55:561
15290992418,4cyclictest25-21ksoftirqd/101:25:591
15290992418,3cyclictest25-21ksoftirqd/103:03:321
15290992417,4cyclictest25-21ksoftirqd/102:47:221
15290992413,8cyclictest20559-21apt-get00:30:561
15290992412,9cyclictest5818-21/usr/sbin/munin22:30:571
15290992312,8cyclictest9735-21irqrtprio23:46:011
15290992312,8cyclictest15483-21/usr/sbin/munin22:50:571
15290992311,9cyclictest6828-21/usr/sbin/munin00:16:041
15290992311,9cyclictest25113-21/usr/sbin/munin23:11:001
15290992311,8cyclictest26172-21/usr/sbin/munin22:05:551
15290992310,9cyclictest8136-21ls22:35:551
15290992211,8cyclictest23491-21/usr/sbin/munin22:00:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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