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2025-12-13 - 23:49
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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 Sat Dec 13, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1871821820,5sleep22873899cyclictest12:25:362
1068911750,5ptp4l401ktimersoftd/307:05:413
1068911750,5ptp4l401ktimersoftd/307:05:413
284512654,10sleep00-21swapper/007:08:150
284512654,10sleep00-21swapper/007:08:150
51092580,3sleep32874899cyclictest07:25:493
28738995623,6cyclictest33-21ksoftirqd/212:20:362
28733995643,7cyclictest25-21ksoftirqd/109:05:441
28738995422,7cyclictest33-21ksoftirqd/208:15:432
28738995418,6cyclictest33-21ksoftirqd/209:04:342
28738995323,5cyclictest33-21ksoftirqd/208:20:592
28738995318,6cyclictest33-21ksoftirqd/209:48:462
28738995224,4cyclictest33-21ksoftirqd/212:35:542
28738995223,5cyclictest33-21ksoftirqd/208:41:122
28738995222,6cyclictest33-21ksoftirqd/211:50:502
28738995222,6cyclictest33-21ksoftirqd/211:10:512
28738995222,6cyclictest33-21ksoftirqd/210:30:542
28738995221,6cyclictest33-21ksoftirqd/210:46:032
28738995221,6cyclictest33-21ksoftirqd/210:46:032
28738995220,8cyclictest33-21ksoftirqd/211:30:362
28738995139,3cyclictest33-21ksoftirqd/208:30:312
28738995123,4cyclictest33-21ksoftirqd/208:45:452
28738995123,4cyclictest33-21ksoftirqd/207:55:472
28738995122,10cyclictest33-21ksoftirqd/210:20:582
28738995121,4cyclictest33-21ksoftirqd/210:41:002
2874899508,6cyclictest41-21ksoftirqd/307:45:523
28748995011,6cyclictest41-21ksoftirqd/312:10:523
28748995011,6cyclictest41-21ksoftirqd/307:20:513
28738995023,11cyclictest33-21ksoftirqd/207:45:502
28738995022,4cyclictest33-21ksoftirqd/211:10:352
28738995022,4cyclictest33-21ksoftirqd/210:25:552
28738995020,6cyclictest33-21ksoftirqd/209:55:582
28738995020,5cyclictest33-21ksoftirqd/212:30:372
28738995019,7cyclictest33-21ksoftirqd/212:10:522
28738995012,3cyclictest33-21ksoftirqd/208:51:022
2874899499,7cyclictest41-21ksoftirqd/312:35:523
2873899497,7cyclictest33-21ksoftirqd/211:35:552
28738994923,4cyclictest33-21ksoftirqd/211:15:572
28738994921,5cyclictest33-21ksoftirqd/210:50:492
28738994921,5cyclictest33-21ksoftirqd/210:50:492
28738994921,4cyclictest33-21ksoftirqd/211:00:352
28738994921,4cyclictest33-21ksoftirqd/207:20:482
28738994920,6cyclictest33-21ksoftirqd/210:35:532
28738994920,6cyclictest33-21ksoftirqd/209:35:542
28738994920,4cyclictest33-21ksoftirqd/209:35:332
28738994919,4cyclictest33-21ksoftirqd/211:01:032
28748994814,9cyclictest41-21ksoftirqd/308:55:513
28748994814,9cyclictest41-21ksoftirqd/308:55:513
2873899489,6cyclictest33-21ksoftirqd/211:45:592
28738994822,4cyclictest33-21ksoftirqd/212:30:572
28738994822,4cyclictest33-21ksoftirqd/208:30:522
28738994820,4cyclictest33-21ksoftirqd/208:15:312
28738994820,4cyclictest33-21ksoftirqd/207:10:372
28738994818,9cyclictest33-21ksoftirqd/207:15:302
28738994818,5cyclictest33-21ksoftirqd/212:10:362
28738994721,9cyclictest33-21ksoftirqd/209:20:522
28738994721,4cyclictest33-21ksoftirqd/209:25:532
28738994720,4cyclictest33-21ksoftirqd/207:30:522
28738994719,9cyclictest33-21ksoftirqd/211:45:362
28738994719,4cyclictest33-21ksoftirqd/207:35:542
28738994719,4cyclictest33-21ksoftirqd/207:30:302
28738994719,10cyclictest33-21ksoftirqd/211:30:562
2874899463,9cyclictest24243-21grep09:11:163
28748994619,4cyclictest41-21ksoftirqd/311:19:473
2874899460,7cyclictest0-21swapper/308:45:473
28738994636,3cyclictest33-21ksoftirqd/208:00:502
28738994620,9cyclictest33-21ksoftirqd/212:00:502
28738994619,4cyclictest33-21ksoftirqd/210:15:492
28738994618,5cyclictest33-21ksoftirqd/210:05:472
28738994611,9cyclictest33-21ksoftirqd/208:35:492
2874899459,5cyclictest41-21ksoftirqd/311:56:263
2874899456,6cyclictest41-21ksoftirqd/308:36:093
2874899456,5cyclictest41-21ksoftirqd/310:48:173
2874899456,5cyclictest41-21ksoftirqd/310:48:173
2874899452,7cyclictest401ktimersoftd/312:06:003
2874899452,7cyclictest18223-21perl09:00:483
28748994518,9cyclictest41-21ksoftirqd/311:35:503
2873899455,5cyclictest33-21ksoftirqd/209:11:062
28738994519,4cyclictest33-21ksoftirqd/211:20:572
28738994519,4cyclictest33-21ksoftirqd/209:15:442
28738994518,4cyclictest33-21ksoftirqd/207:50:542
28738994517,4cyclictest33-21ksoftirqd/210:10:532
28738994517,4cyclictest33-21ksoftirqd/208:55:462
28738994517,4cyclictest33-21ksoftirqd/208:55:462
2874899448,5cyclictest41-21ksoftirqd/307:18:533
2874899445,8cyclictest7479-21grep10:51:053
2874899445,8cyclictest7479-21grep10:51:053
2874899443,8cyclictest29434-21iwlist08:15:493
2874899443,7cyclictest29265-21grep07:10:413
2874899442,8cyclictest17222-21awk11:11:043
2874899442,6cyclictest401ktimersoftd/311:50:553
2874899441,7cyclictest401ktimersoftd/310:26:043
28748994417,8cyclictest41-21ksoftirqd/307:40:423
28748994410,7cyclictest41-21ksoftirqd/310:15:523
110592440,2sleep30-21swapper/307:36:003
2874899434,8cyclictest401ktimersoftd/309:20:503
2874899433,7cyclictest32332-21acpi11:45:483
2874899433,6cyclictest401ktimersoftd/312:01:053
2874899432,6cyclictest401ktimersoftd/310:05:533
2874899432,6cyclictest401ktimersoftd/308:40:583
2874899432,6cyclictest401ktimersoftd/307:50:513
2874899430,6cyclictest401ktimersoftd/311:20:513
2873899433,8cyclictest33-21ksoftirqd/211:55:562
2873899433,8cyclictest33-21ksoftirqd/210:00:472
28738994318,8cyclictest33-21ksoftirqd/208:05:512
28738994316,4cyclictest33-21ksoftirqd/207:10:292
28733994334,5cyclictest25-21ksoftirqd/110:40:481
2872799433,8cyclictest23795-21apt-get10:20:470
2874899425,8cyclictest19775-21ls10:10:573
2874899424,8cyclictest29613-21awk10:30:563
2874899423,7cyclictest401ktimersoftd/309:30:493
2874899423,7cyclictest401ktimersoftd/309:05:553
2874899423,7cyclictest16602-21grep12:20:503
2874899422,7cyclictest401ktimersoftd/308:30:563
2874899422,6cyclictest401ktimersoftd/311:01:573
2874899422,6cyclictest401ktimersoftd/310:05:343
2873899423,4cyclictest33-21ksoftirqd/209:41:252
2874899415,7cyclictest25448-21sed10:21:043
2874899412,7cyclictest401ktimersoftd/308:10:513
2874899411,7cyclictest19571-21irqrtprio12:25:573
2874899411,6cyclictest8610-21cut10:55:503
2874899411,6cyclictest7240-21tr07:30:453
2874899411,6cyclictest13958-21irqrtprio08:50:523
28748994110,8cyclictest41-21ksoftirqd/311:40:493
2873899412,9cyclictest33-21ksoftirqd/207:40:532
2873899411,4cyclictest33-21ksoftirqd/209:06:012
28733994130,6cyclictest25-21ksoftirqd/112:10:481
2874899406,6cyclictest41-21ksoftirqd/309:52:243
2874899403,6cyclictest401ktimersoftd/309:35:533
2874899402,6cyclictest401ktimersoftd/309:45:493
2874899402,6cyclictest1121-21sed08:25:313
2874899401,7cyclictest24157-21cat11:26:053
2874899400,6cyclictest41-21ksoftirqd/309:26:013
2873899402,5cyclictest33-21ksoftirqd/207:10:292
2873899400,7cyclictest33-21ksoftirqd/209:50:542
2872799401,36cyclictest31400-21grep08:20:440
2874899392,7cyclictest2217-21snmp_o5powerctl10:41:053
28748993920,9cyclictest41-21ksoftirqd/309:41:103
28748993912,4cyclictest41-21ksoftirqd/310:37:003
2874899390,6cyclictest24227-21idleruntime08:05:483
2872799398,4cyclictest20256-21mailstats07:55:510
28727993912,24cyclictest28605-21mailstats09:20:550
28727993910,26cyclictest5678-21basename08:35:310
2874899382,7cyclictest19552-21awk07:55:463
2872799381,5cyclictest0-21swapper/010:35:490
2872799381,4cyclictest0-21swapper/012:35:500
28727993811,24cyclictest4884-21fschecks_count07:25:470
28727993811,23cyclictest9139-21latency_hist09:50:330
2874899373,7cyclictest401ktimersoftd/311:05:533
2874899371,7cyclictest401ktimersoftd/308:00:433
2874899370,6cyclictest401ktimersoftd/308:25:523
2872799372,8cyclictest2318-21apt-get11:50:490
2872799371,5cyclictest0-21swapper/010:50:480
2872799371,5cyclictest0-21swapper/010:50:480
2872799371,5cyclictest0-21swapper/009:35:470
2872799371,5cyclictest0-21swapper/009:15:440
2872799371,4cyclictest0-21swapper/008:00:420
28727993713,21cyclictest21734-21timerwakeupswit09:06:010
28727993712,22cyclictest8445-21cat08:40:560
28727993711,23cyclictest12057-21cstates07:40:440
28727993710,24cyclictest6325-21seq09:43:560
28727993710,24cyclictest27605-21timerandwakeup10:26:040
28727993710,24cyclictest24311-21if_ens308:05:490
2872799370,15cyclictest24663-21seq11:29:500
28748993619,7cyclictest41-21ksoftirqd/309:20:323
28733993630,3cyclictest25-21ksoftirqd/107:15:301
2872799362,6cyclictest2197-21apt-get07:20:430
2872799362,5cyclictest0-21swapper/010:05:470
28727993611,22cyclictest17512-21latency_hist09:00:320
28727993611,22cyclictest17512-21latency_hist09:00:320
28727993610,24cyclictest24158-21grep09:11:150
28727993610,23cyclictest5572-21kernelversion11:55:560
28727993610,23cyclictest553-21irqrtprio07:15:450
2874899354,6cyclictest41-21ksoftirqd/311:31:003
28733993523,7cyclictest25-21ksoftirqd/110:30:481
2872799359,3cyclictest6796-21irqrtprio08:35:520
2872799359,23cyclictest183892chrt12:22:490
2872799359,23cyclictest15686-21cpuspeed_turbos11:10:480
2872799359,23cyclictest1055-21runrttasks11:42:190
2872799358,3cyclictest14672-21grep07:45:470
2872799357,5cyclictest19192-21awk11:15:580
2872799352,6cyclictest26321-21apt-get08:10:430
2872799352,5cyclictest0-21swapper/011:00:470
2872799352,4cyclictest13184-21apt-get11:05:470
2872799351,5cyclictest25253-21apt-get11:30:490
28727993512,19cyclictest101ktimersoftd/010:13:300
28727993510,22cyclictest15565-21timerandwakeup10:01:090
28727993510,22cyclictest11743-21acpi12:10:480
264912353,18sleep126569-21apt-get07:05:381
264912353,18sleep126569-21apt-get07:05:381
2872799348,4cyclictest31129-21latency_hist07:15:290
2872799348,4cyclictest21620-21mailstats11:20:590
2872799348,3cyclictest21936-21irqrtprio12:30:550
2872799347,4cyclictest18230-21unixbench_multi07:51:000
2872799347,3cyclictest15638-21cat12:16:040
2872799343,8cyclictest7069-21apt-get12:00:490
2872799343,8cyclictest18920-21apt-get12:25:500
2872799342,4cyclictest28530-21apt-get10:30:480
28733993323,6cyclictest25-21ksoftirqd/107:20:421
2872799338,3cyclictest5237-21seq10:50:000
2872799338,3cyclictest5237-21seq10:50:000
2872799338,3cyclictest30129-21ptp4l08:15:540
2872799332,4cyclictest9436-21apt-get12:05:500
28727993311,19cyclictest8470-21sensors_temp07:30:540
28748993214,9cyclictest41-21ksoftirqd/309:55:573
28733993226,3cyclictest25-21ksoftirqd/107:15:311
2872799328,3cyclictest1551-21fschecks_count08:25:480
2872799326,3cyclictest32684-21awk09:30:510
2872799322,6cyclictest28968-21snmp_o5powerctl11:36:020
2872799322,6cyclictest17833-21apt-get09:00:440
2872799322,5cyclictest853-21apt-get10:40:470
28748993113,9cyclictest41-21ksoftirqd/312:30:573
28733993125,3cyclictest25-21ksoftirqd/109:20:321
2872799319,2cyclictest101ktimersoftd/009:55:560
2872799316,3cyclictest11189-21taskset09:52:570
2872799314,3cyclictest30055-21fschecks_time09:25:490
2872799314,3cyclictest12955-21wc08:50:320
2872799312,4cyclictest22382-21/usr/sbin/munin10:15:540
28733993024,3cyclictest25-21ksoftirqd/111:20:351
28733993024,3cyclictest25-21ksoftirqd/111:05:521
28733993024,3cyclictest25-21ksoftirqd/110:35:551
2872799304,4cyclictest32679-21fschecks_count11:45:520
2872799302,4cyclictest994-21lldpd07:35:500
2872799301,5cyclictest8618-21gltestperf10:55:500
28748992923,3cyclictest41-21ksoftirqd/312:15:503
28733992924,3cyclictest25-21ksoftirqd/111:00:481
28733992924,3cyclictest25-21ksoftirqd/107:55:451
28733992923,4cyclictest25-21ksoftirqd/109:30:561
28733992923,3cyclictest25-21ksoftirqd/110:05:511
2873399291,4cyclictest15028-21irqrtprio12:15:551
2872799297,3cyclictest13243-21cstates08:50:460
28733992823,3cyclictest25-21ksoftirqd/111:30:351
28733992823,3cyclictest25-21ksoftirqd/109:45:521
28733992823,3cyclictest25-21ksoftirqd/109:25:501
28733992823,3cyclictest25-21ksoftirqd/108:25:491
28733992722,3cyclictest25-21ksoftirqd/111:20:551
28733992722,3cyclictest25-21ksoftirqd/109:55:571
28733992722,3cyclictest25-21ksoftirqd/109:20:511
28733992722,3cyclictest25-21ksoftirqd/109:15:321
28733992721,3cyclictest25-21ksoftirqd/110:50:341
28733992721,3cyclictest25-21ksoftirqd/110:50:341
28733992721,3cyclictest25-21ksoftirqd/107:53:471
28733992720,4cyclictest25-21ksoftirqd/108:10:311
28733992716,6cyclictest25-21ksoftirqd/111:30:491
28733992621,3cyclictest25-21ksoftirqd/110:15:481
28733992621,3cyclictest25-21ksoftirqd/108:20:301
28733992621,3cyclictest25-21ksoftirqd/108:10:491
28733992620,3cyclictest25-21ksoftirqd/111:50:551
28733992620,3cyclictest25-21ksoftirqd/110:01:001
28733992620,3cyclictest25-21ksoftirqd/108:40:311
28733992620,3cyclictest25-21ksoftirqd/108:20:491
28733992620,3cyclictest25-21ksoftirqd/107:48:041
28733992620,3cyclictest25-21ksoftirqd/107:27:511
28733992520,3cyclictest25-21ksoftirqd/108:41:021
28733992519,3cyclictest25-21ksoftirqd/111:00:351
28733992519,3cyclictest25-21ksoftirqd/109:41:141
28733992519,3cyclictest25-21ksoftirqd/109:01:041
28733992518,4cyclictest25-21ksoftirqd/112:07:371
28733992518,4cyclictest25-21ksoftirqd/112:02:511
28733992518,4cyclictest25-21ksoftirqd/110:21:501
28733992419,3cyclictest25-21ksoftirqd/111:40:361
28733992419,3cyclictest25-21ksoftirqd/110:25:491
28733992419,3cyclictest25-21ksoftirqd/107:35:481
28733992418,3cyclictest25-21ksoftirqd/111:55:551
28733992418,3cyclictest25-21ksoftirqd/111:15:351
28733992418,3cyclictest25-21ksoftirqd/109:52:081
28733992417,3cyclictest25-21ksoftirqd/107:30:451
28733992319,3cyclictest25-21ksoftirqd/112:34:221
28733992318,3cyclictest25-21ksoftirqd/110:52:541
28733992318,3cyclictest25-21ksoftirqd/110:52:541
28733992318,3cyclictest25-21ksoftirqd/110:10:561
28733992318,3cyclictest25-21ksoftirqd/109:36:041
28733992318,3cyclictest25-21ksoftirqd/108:33:471
28733992318,3cyclictest25-21ksoftirqd/107:40:491
28733992317,3cyclictest25-21ksoftirqd/111:50:151
28733992317,3cyclictest25-21ksoftirqd/108:50:061
28733992316,4cyclictest25-21ksoftirqd/112:39:531
28733992312,9cyclictest25-21ksoftirqd/108:00:571
2873399230,20cyclictest47050irq/101-ens3-Tx12:20:511
28733992217,3cyclictest25-21ksoftirqd/108:55:511
28733992217,3cyclictest25-21ksoftirqd/108:55:511
28733992216,3cyclictest25-21ksoftirqd/112:26:041
28733992116,3cyclictest25-21ksoftirqd/111:43:401
28733992116,3cyclictest25-21ksoftirqd/108:51:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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