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2026-06-18 - 17:13
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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 Thu Jun 18, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2749721420,5sleep31412099cyclictest12:53:283
412521300,5sleep31412099cyclictest13:01:523
106891980,3ptp4l401ktimersoftd/308:53:293
315482700,1sleep00-21swapper/012:57:030
14120996912,25cyclictest10753-21sh10:56:453
57852640,1sleep20-21swapper/214:09:402
26862600,1sleep30-21swapper/309:34:233
188222590,2sleep20-21swapper/212:10:072
1411199555,16cyclictest11055-21ssh12:35:272
1411199545,17cyclictest26689-21snmp_o5powerctl13:24:342
1411199542,12cyclictest7265-21latency_hist10:54:052
1411199524,17cyclictest14336-21awk10:59:352
1411199524,17cyclictest14336-21awk10:59:352
1410099521,11cyclictest5790-21grep09:39:330
1411199511,19cyclictest0-21swapper/212:56:512
1410099505,12cyclictest14219-21latency_hist11:34:070
1412099490,3cyclictest20058-21ssh11:05:533
1410099470,11cyclictest18362-21ssh14:24:110
1412099462,36cyclictest13753-21apt-get14:19:203
1412099460,2cyclictest0-21swapper/312:58:283
1410099465,8cyclictest8007-21grep11:59:270
14120994510,20cyclictest13847-21sh13:11:543
14111994410,16cyclictest22889-21ssh13:20:472
1412099432,32cyclictest2538-21apt-get13:34:223
1411199433,16cyclictest7230-21diskmemload11:51:452
1411199432,12cyclictest0-21swapper/209:04:032
1410099434,7cyclictest26512-21awk12:19:200
1410099430,10cyclictest2875-21fschecks_count10:44:180
1412099421,23cyclictest23498-21/usr/sbin/munin11:09:263
1410099427,7cyclictest11182-21sed09:54:050
1410099425,6cyclictest18711-21sed13:49:390
1410099420,10cyclictest465-21awk09:29:240
1412099411,32cyclictest8936-21apt-get14:14:223
1412099402,31cyclictest12535-21apt-get10:59:183
1412099402,31cyclictest12535-21apt-get10:59:183
1412099402,30cyclictest12232-21apt-get13:44:203
1411199409,14cyclictest18161-21interrupts11:04:242
1410099405,6cyclictest12711-21ssh12:04:250
106891400,0ptp4l401ktimersoftd/314:12:563
1412099391,24cyclictest21870-21/usr/sbin/munin13:54:273
1411199398,16cyclictest7988-21ssh11:26:502
1411199394,17cyclictest7230-21diskmemload11:12:512
106891390,1ptp4l401ktimersoftd/312:02:413
106891390,1ptp4l401ktimersoftd/311:20:143
106891390,0ptp4l401ktimersoftd/311:51:093
1412099383,26cyclictest22154-21apt-get09:09:163
1412099381,24cyclictest25173-21/usr/sbin/munin13:24:283
1411199389,16cyclictest15357-21ssh12:07:342
1411199386,16cyclictest20990-21ssh11:39:342
1411199385,12cyclictest0-21swapper/213:44:322
1410099383,5cyclictest9-21ksoftirqd/011:15:070
106891380,1ptp4l401ktimersoftd/313:52:223
106891380,1ptp4l401ktimersoftd/312:18:263
106891380,1ptp4l401ktimersoftd/310:02:433
1412099373,26cyclictest29489-21apt-get09:24:153
1412099371,24cyclictest15855-21/usr/sbin/munin11:34:283
1411199375,18cyclictest10396-21snmp_o5powerctl14:14:362
1410099373,6cyclictest9-21ksoftirqd/013:14:090
1410099373,6cyclictest9-21ksoftirqd/011:45:350
1410099373,5cyclictest9-21ksoftirqd/012:51:350
106891370,1ptp4l401ktimersoftd/313:22:563
106891370,1ptp4l401ktimersoftd/313:16:083
106891370,1ptp4l401ktimersoftd/312:40:023
106891370,1ptp4l401ktimersoftd/312:40:023
106891370,1ptp4l401ktimersoftd/312:35:563
106891370,1ptp4l401ktimersoftd/312:29:493
106891370,1ptp4l401ktimersoftd/312:27:043
106891370,1ptp4l401ktimersoftd/312:19:513
106891370,1ptp4l401ktimersoftd/312:08:273
106891370,1ptp4l401ktimersoftd/311:56:363
106891370,1ptp4l401ktimersoftd/311:46:213
106891370,0ptp4l401ktimersoftd/311:27:243
1412099362,27cyclictest24735-21apt-get09:14:153
1412099362,26cyclictest17399-21apt-get08:59:153
14120993620,13cyclictest41-21ksoftirqd/309:45:113
1412099360,3cyclictest3144-21modprobe10:44:213
1411199367,13cyclictest1277-21ssh13:32:432
1411199363,11cyclictest0-21swapper/212:24:362
1411199362,11cyclictest0-21swapper/214:19:192
1410099363,5cyclictest9-21ksoftirqd/012:17:270
1410099363,5cyclictest9-21ksoftirqd/011:51:450
1410099363,4cyclictest9-21ksoftirqd/012:24:280
106891360,1ptp4l401ktimersoftd/312:45:083
106891360,1ptp4l401ktimersoftd/309:52:433
106891360,0ptp4l401ktimersoftd/313:06:113
106891360,0ptp4l401ktimersoftd/310:25:393
1412099353,24cyclictest27898-21apt-get10:29:163
1412099352,26cyclictest27100-21apt-get09:19:153
1412099350,3cyclictest31097-21ssh11:18:013
1411199356,16cyclictest21482-21/usr/sbin/munin12:14:292
1410099355,7cyclictest9-21ksoftirqd/008:54:150
1410099353,4cyclictest9-21ksoftirqd/012:41:070
1410099353,4cyclictest9-21ksoftirqd/012:41:070
1410099352,5cyclictest9-21ksoftirqd/012:33:570
106891350,1ptp4l401ktimersoftd/312:10:243
106891350,1ptp4l401ktimersoftd/311:43:123
106891350,1ptp4l401ktimersoftd/310:39:283
1412099343,24cyclictest18411-21apt-get10:09:163
1412099341,30cyclictest23790-21sed10:19:213
1412099340,4cyclictest9855-21cut11:29:183
1412099340,3cyclictest30747-21hddtemp_smartct10:34:203
1412099340,3cyclictest30498-21tune2fs13:29:243
1412099340,2cyclictest0-21swapper/314:04:293
1411199346,17cyclictest1087-21sed09:29:322
1411199345,13cyclictest1055-21runrttasks13:17:242
14107993428,3cyclictest25-21ksoftirqd/109:44:041
1410099344,7cyclictest9-21ksoftirqd/013:24:250
1412099336,24cyclictest15477-21cut08:54:223
14120993311,19cyclictest19975-21ls09:04:153
14120993311,19cyclictest18098-21cron10:09:053
1411199337,12cyclictest7230-21diskmemload13:12:422
1411199335,17cyclictest1055-21runrttasks13:00:342
1411199334,15cyclictest7230-21diskmemload13:51:462
14107993327,3cyclictest25-21ksoftirqd/112:04:081
1410099334,6cyclictest9-21ksoftirqd/011:54:320
1410099334,25cyclictest1076-21taskset11:19:270
137282331,21sleep00-21swapper/008:50:320
106891330,1ptp4l401ktimersoftd/314:03:303
1412099322,23cyclictest11278-21apt-get09:54:163
1412099320,4cyclictest6042-21runrttasks09:41:553
1412099320,2cyclictest0-21swapper/313:39:293
1412099320,2cyclictest0-21swapper/310:14:163
1412099320,2cyclictest0-21swapper/309:29:233
14111993215,13cyclictest0-21swapper/213:34:222
14107993227,3cyclictest25-21ksoftirqd/113:04:261
14107993227,3cyclictest25-21ksoftirqd/111:44:181
14107993227,3cyclictest25-21ksoftirqd/111:44:071
1410099325,7cyclictest9-21ksoftirqd/009:34:180
1412099310,4cyclictest6512-21snmp_o5powerctl10:49:293
1411199316,14cyclictest32356-21ssh11:19:182
1411199316,13cyclictest7921-21/usr/sbin/munin11:59:262
1411199316,12cyclictest0-21swapper/214:04:572
1411199313,12cyclictest6730-21irqrtprio13:04:262
14111993120,8cyclictest20291-21unixbench_multi12:44:372
14111993119,6cyclictest24735-21apt-get09:14:142
14107993126,3cyclictest25-21ksoftirqd/113:04:081
14107993126,3cyclictest25-21ksoftirqd/111:19:061
14107993125,3cyclictest25-21ksoftirqd/111:19:191
1410099312,5cyclictest9-21ksoftirqd/011:06:150
1410099312,10cyclictest9-21ksoftirqd/010:55:230
1411199303,12cyclictest14274-21if_err_ens309:59:212
1411199302,12cyclictest0-21swapper/210:58:472
14111993013,12cyclictest0-21swapper/209:09:162
14107993024,3cyclictest25-21ksoftirqd/113:44:281
14107993024,3cyclictest25-21ksoftirqd/112:49:261
1410099307,6cyclictest20479-21awk10:14:050
1410099305,8cyclictest9-21ksoftirqd/014:08:450
1410099305,7cyclictest9-21ksoftirqd/012:59:240
124652305,10sleep20-21swapper/208:49:202
34312290,2sleep20-21swapper/211:54:302
1411199294,11cyclictest7230-21diskmemload12:21:302
1411199294,11cyclictest7230-21diskmemload11:30:072
14111992918,6cyclictest2590-21apt-get10:44:152
14111992917,7cyclictest27247-21apt-get11:14:172
14111992912,12cyclictest0-21swapper/210:29:162
14107992924,3cyclictest25-21ksoftirqd/114:14:231
14107992924,3cyclictest25-21ksoftirqd/110:49:181
14107992924,3cyclictest25-21ksoftirqd/109:49:041
14107992923,3cyclictest25-21ksoftirqd/113:54:291
14107992923,3cyclictest25-21ksoftirqd/113:14:091
14107992923,3cyclictest25-21ksoftirqd/112:14:191
14107992923,3cyclictest25-21ksoftirqd/110:59:191
14107992923,3cyclictest25-21ksoftirqd/110:59:191
14107992923,3cyclictest25-21ksoftirqd/108:59:031
1410099296,9cyclictest9-21ksoftirqd/013:56:230
1410099294,8cyclictest9-21ksoftirqd/014:14:270
1410099293,9cyclictest9-21ksoftirqd/012:44:580
1410099293,9cyclictest9-21ksoftirqd/012:36:290
133082296,10sleep10-21swapper/108:49:321
97702280,2sleep20-21swapper/213:40:372
1411199285,20cyclictest0-21swapper/213:59:232
14111992817,6cyclictest23391-21apt-get12:49:192
14111992812,12cyclictest0-21swapper/209:19:152
14111992811,13cyclictest0-21swapper/210:09:162
14107992823,3cyclictest25-21ksoftirqd/113:39:251
14107992823,3cyclictest25-21ksoftirqd/111:54:191
14107992823,3cyclictest25-21ksoftirqd/110:14:051
14107992822,4cyclictest25-21ksoftirqd/112:39:271
14107992822,4cyclictest25-21ksoftirqd/112:39:271
14107992822,3cyclictest25-21ksoftirqd/113:34:101
14107992822,3cyclictest25-21ksoftirqd/113:24:271
1410099286,4cyclictest9-21ksoftirqd/009:09:280
1410099285,6cyclictest2128-21latency_hist13:34:090
1410099285,3cyclictest9-21ksoftirqd/011:28:000
1410099284,9cyclictest9-21ksoftirqd/011:04:000
1410099284,9cyclictest9-21ksoftirqd/011:04:000
1410099283,5cyclictest9-21ksoftirqd/011:35:440
262112270,3sleep126221-21ssh11:13:021
1411199276,8cyclictest23209-21cut13:54:322
1411199276,18cyclictest26310-21irqrtprio10:24:222
14111992720,4cyclictest33-21ksoftirqd/208:54:122
14111992715,8cyclictest1055-21runrttasks09:04:132
14111992712,11cyclictest0-21swapper/209:24:152
14107992722,3cyclictest25-21ksoftirqd/114:09:101
14107992722,3cyclictest25-21ksoftirqd/113:19:281
14107992722,3cyclictest25-21ksoftirqd/113:14:261
14107992722,3cyclictest25-21ksoftirqd/112:54:211
14107992722,3cyclictest25-21ksoftirqd/112:34:391
14107992722,3cyclictest25-21ksoftirqd/112:29:261
14107992722,3cyclictest25-21ksoftirqd/111:54:081
14107992722,3cyclictest25-21ksoftirqd/111:24:251
14107992721,3cyclictest25-21ksoftirqd/109:24:201
14107992720,4cyclictest25-21ksoftirqd/109:59:221
1410099275,7cyclictest9-21ksoftirqd/011:41:100
1410099273,7cyclictest9-21ksoftirqd/012:10:560
1410099273,5cyclictest9-21ksoftirqd/013:40:470
1410099273,5cyclictest9-21ksoftirqd/013:05:400
1410099272,6cyclictest9-21ksoftirqd/013:34:390
1410099272,5cyclictest9-21ksoftirqd/013:20:500
1410099271,6cyclictest9-21ksoftirqd/013:17:230
1411199269,14cyclictest9016-21grep09:49:172
1411199269,14cyclictest23614-21gltestperf10:19:192
1411199262,10cyclictest0-21swapper/212:33:422
14111992619,4cyclictest33-21ksoftirqd/210:16:502
14107992621,3cyclictest25-21ksoftirqd/113:59:291
14107992621,3cyclictest25-21ksoftirqd/113:49:241
14107992621,3cyclictest25-21ksoftirqd/113:34:291
14107992621,3cyclictest25-21ksoftirqd/112:44:371
14107992621,3cyclictest25-21ksoftirqd/112:19:251
14107992621,3cyclictest25-21ksoftirqd/111:29:231
14107992621,3cyclictest25-21ksoftirqd/110:29:171
14107992620,3cyclictest25-21ksoftirqd/110:44:221
1410099264,6cyclictest9-21ksoftirqd/014:09:160
1410099262,5cyclictest9-21ksoftirqd/011:11:390
14100992619,4cyclictest9-21ksoftirqd/010:33:500
14111992518,4cyclictest33-21ksoftirqd/209:45:142
14111992512,9cyclictest31606-21snmp_o5powerctl10:34:302
14107992520,3cyclictest25-21ksoftirqd/111:34:251
14107992520,3cyclictest25-21ksoftirqd/110:34:221
14107992520,3cyclictest25-21ksoftirqd/110:14:221
14107992520,3cyclictest25-21ksoftirqd/110:04:331
14107992520,3cyclictest25-21ksoftirqd/109:14:031
14107992519,4cyclictest25-21ksoftirqd/110:22:511
1410799251,2cyclictest0-21swapper/109:19:221
1410099254,8cyclictest9-21ksoftirqd/009:14:160
1410099254,6cyclictest9-21ksoftirqd/010:15:290
1410099253,9cyclictest9-21ksoftirqd/013:59:570
1410099253,7cyclictest9-21ksoftirqd/009:20:050
1410099253,6cyclictest9-21ksoftirqd/010:42:310
1410099253,6cyclictest9-21ksoftirqd/009:04:360
14100992518,4cyclictest9-21ksoftirqd/009:57:210
1410099251,5cyclictest9-21ksoftirqd/013:45:390
1411199249,11cyclictest0-21swapper/209:34:162
1411199247,14cyclictest414-21df10:39:192
1411199247,14cyclictest16146-21ssh12:40:482
1411199247,14cyclictest16146-21ssh12:40:482
1411199246,15cyclictest16436-21unixbench_singl11:34:362
14111992413,8cyclictest5738-21unixbench-2d09:39:332
14107992419,3cyclictest25-21ksoftirqd/110:54:231
14107992419,3cyclictest25-21ksoftirqd/109:49:171
14107992419,3cyclictest25-21ksoftirqd/109:29:161
14107992419,3cyclictest25-21ksoftirqd/109:19:031
14107992419,3cyclictest25-21ksoftirqd/108:59:161
14107992418,3cyclictest25-21ksoftirqd/114:19:251
14107992418,3cyclictest25-21ksoftirqd/109:57:531
14107992418,3cyclictest25-21ksoftirqd/109:04:151
1410099243,7cyclictest9-21ksoftirqd/010:36:490
1410099243,7cyclictest9-21ksoftirqd/009:44:100
1410099243,6cyclictest9-21ksoftirqd/010:21:230
14100992417,4cyclictest9-21ksoftirqd/010:07:280
14111992311,9cyclictest24871-21gltestperf11:44:232
14107992318,3cyclictest25-21ksoftirqd/112:24:211
14107992318,3cyclictest25-21ksoftirqd/112:09:221
14107992318,3cyclictest25-21ksoftirqd/112:04:181
14107992317,3cyclictest25-21ksoftirqd/110:43:051
1410099233,7cyclictest9-21ksoftirqd/009:28:240
14111992211,8cyclictest16579-21/usr/sbin/munin10:04:212
14111992211,7cyclictest11445-21cstates09:54:172
14107992216,4cyclictest25-21ksoftirqd/110:26:121
14107992216,3cyclictest25-21ksoftirqd/114:14:101
1410099225,9cyclictest9-21ksoftirqd/010:24:260
1410099224,5cyclictest9-21ksoftirqd/010:49:180
1410099222,6cyclictest9-21ksoftirqd/010:02:490
14107992117,3cyclictest25-21ksoftirqd/111:04:351
1410099213,5cyclictest9-21ksoftirqd/008:59:060
14107991913,3cyclictest2383-21if_ens309:34:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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