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2025-12-26 - 12:02
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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 Fri Dec 26, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068912210,4ptp4l401ktimersoftd/319:14:163
959421770,3sleep01290199cyclictest00:22:520
780521750,4sleep01290199cyclictest21:17:520
2713221590,5sleep21291199cyclictest00:07:012
684621580,5sleep31291999cyclictest23:42:533
372421550,5sleep31291999cyclictest21:50:233
1788021530,4sleep11290699cyclictest19:22:561
308182730,3sleep30-21swapper/322:57:483
211732710,5sleep121175-21latency_hist22:47:301
1290199710,31cyclictest4694-21grep00:17:500
1290199710,31cyclictest4694-21grep00:17:500
106891700,1ptp4l401ktimersoftd/323:15:463
90532690,1sleep20-21swapper/221:57:172
106891690,1ptp4l401ktimersoftd/322:48:513
1290699669,23cyclictest1055-21runrttasks00:24:251
1290199651,32cyclictest18751-21snmp_o5powerctl20:32:530
125052644,10sleep00-21swapper/019:13:390
1290699630,4cyclictest14564-21ssh21:26:231
12911995947,5cyclictest33-21ksoftirqd/221:22:432
1290699590,4cyclictest27360-21ssh21:40:291
299552580,4sleep09-21ksoftirqd/019:47:560
1290699581,3cyclictest21523-21ssh23:59:341
1290699580,3cyclictest32651-21chrt19:56:521
234922550,1sleep00-21swapper/023:25:590
12911995546,5cyclictest33-21ksoftirqd/222:22:442
213572540,2sleep00-21swapper/022:10:160
140462540,1sleep00-21swapper/022:37:580
12911995240,6cyclictest33-21ksoftirqd/223:37:462
1290699501,3cyclictest0-21swapper/100:15:041
1290699501,3cyclictest0-21swapper/100:15:041
1290699500,3cyclictest8113-21taskset00:22:031
1290699500,3cyclictest8113-21taskset00:22:031
1290699493,3cyclictest47050irq/101-ens3-Tx21:35:181
1290699491,3cyclictest0-21swapper/123:11:051
1290199490,33cyclictest5444-21awk21:52:450
12911994838,4cyclictest33-21ksoftirqd/223:22:442
1290699480,4cyclictest4197-21ssh23:40:141
1290199481,27cyclictest32362-21/usr/sbin/munin22:22:490
1290199480,27cyclictest29989-21irqrtprio23:32:510
126582484,32sleep20-21swapper/219:15:382
12911994734,7cyclictest33-21ksoftirqd/219:42:412
1290699470,5cyclictest17176-21ssh00:32:301
1290199472,38cyclictest19932-21apt-get21:32:440
1290199470,30cyclictest29275-21cat00:08:000
1290199470,27cyclictest9468-21/usr/sbin/munin21:57:590
1290699463,23cyclictest6234-21diskmemload23:02:081
1290199460,29cyclictest4212-21sed23:03:020
1290699453,35cyclictest22003-21apt-get00:37:451
1290199451,27cyclictest2072-21grep21:47:520
106891450,2ptp4l1217-21kworker/3:222:54:333
106891450,1ptp4l401ktimersoftd/319:21:243
2857824437,3sleep1231rcuc/122:54:221
12911994433,6cyclictest33-21ksoftirqd/220:07:382
12911994430,11cyclictest33-21ksoftirqd/222:17:512
12911994430,11cyclictest33-21ksoftirqd/222:17:512
1290699440,20cyclictest0-21swapper/123:20:311
1290199441,33cyclictest10683-21idleruntime23:47:490
1290699435,25cyclictest1055-21runrttasks20:24:131
1290699434,29cyclictest26453-21apt-get00:42:471
1290699433,31cyclictest727-21apt-get21:47:411
1290699433,31cyclictest3751-21apt-get22:27:421
12901994337,3cyclictest5021-21turbostat20:07:260
1290199432,34cyclictest0-21swapper/000:37:450
1290199431,22cyclictest0-21swapper/021:44:540
106891430,1ptp4l401ktimersoftd/300:25:393
1290699423,33cyclictest5710-21apt-get23:42:441
1290699423,32cyclictest8153-21apt-get22:32:421
1290699420,3cyclictest13336-21chrt23:50:501
1290699420,2cyclictest0-21swapper/123:05:341
1290199421,22cyclictest26962-21hddtemp_smartct00:42:520
1290199420,25cyclictest15811-21cut19:22:290
1290699413,32cyclictest6649-21apt-get21:17:421
1290699412,33cyclictest13976-21apt-get22:02:421
1290699410,4cyclictest23283-21taskset23:25:341
1290199413,31cyclictest17602-21apt-get00:32:450
1290199411,36cyclictest27052-21grep20:52:450
12911994028,7cyclictest33-21ksoftirqd/221:02:422
1290699404,30cyclictest27272-21apt-get22:17:421
1290699404,30cyclictest27272-21apt-get22:17:421
1290699403,31cyclictest28731-21ssh21:42:401
1290699403,29cyclictest14561-21apt-get23:52:451
1290699402,30cyclictest15043-21apt-get20:27:391
1290699402,30cyclictest15043-21apt-get20:27:391
1290699402,29cyclictest7706-21apt-get20:12:381
1290699402,28cyclictest4177-21apt-get21:12:401
1290699400,4cyclictest16644-21ssh21:27:491
1290199403,31cyclictest18579-21apt-get19:27:370
1290199402,32cyclictest30525-21apt-get22:57:450
1290199402,30cyclictest15043-21apt-get20:27:390
1290199402,30cyclictest15043-21apt-get20:27:390
1290199401,36cyclictest6234-21diskmemload00:32:140
1290199401,33cyclictest0-21swapper/022:27:420
12911993913,4cyclictest33-21ksoftirqd/223:57:322
1291199390,3cyclictest121rcu_preempt21:57:592
1290699393,29cyclictest29090-21ssh23:32:441
1290699391,4cyclictest25399-21ssh00:03:291
1290199392,31cyclictest20941-21apt-get19:32:380
1290199392,30cyclictest14561-21apt-get23:52:450
1290199391,32cyclictest0-21swapper/022:32:430
1290199391,32cyclictest0-21swapper/000:12:490
1290199391,32cyclictest0-21swapper/000:12:490
1290199391,31cyclictest0-21swapper/023:42:440
1290199391,31cyclictest0-21swapper/020:22:420
1290199390,24cyclictest6234-21diskmemload22:45:230
106891390,1ptp4l401ktimersoftd/321:57:313
1291999382,10cyclictest23366-21ssh00:02:443
12911993831,4cyclictest33-21ksoftirqd/222:52:312
12911993819,11cyclictest33-21ksoftirqd/219:57:372
1290699383,29cyclictest0-21swapper/122:12:441
1290699382,31cyclictest21658-21apt-get22:47:421
1290699382,29cyclictest0-21swapper/120:32:391
1290699381,3cyclictest0-21swapper/123:16:221
1290199382,30cyclictest22859-21apt-get22:12:440
1290199381,32cyclictest0-21swapper/020:12:380
1290199381,31cyclictest0-21swapper/022:02:420
1290199380,34cyclictest11789-21gltestperf23:12:480
1290199380,2cyclictest0-21swapper/019:52:490
106891380,1ptp4l401ktimersoftd/323:31:133
106891380,1ptp4l401ktimersoftd/322:19:173
106891380,1ptp4l401ktimersoftd/322:19:173
106891380,1ptp4l401ktimersoftd/321:55:143
12919993720,4cyclictest41-21ksoftirqd/320:56:083
12911993732,3cyclictest33-21ksoftirqd/219:22:262
12911993727,3cyclictest33-21ksoftirqd/222:05:452
12911993726,8cyclictest33-21ksoftirqd/200:17:542
12911993726,8cyclictest33-21ksoftirqd/200:17:542
12911993725,6cyclictest33-21ksoftirqd/222:42:422
12911993722,6cyclictest33-21ksoftirqd/222:37:442
12911993713,6cyclictest33-21ksoftirqd/222:08:002
1290699373,28cyclictest9549-21apt-get21:57:421
1290699373,28cyclictest0-21swapper/100:32:451
1290699373,27cyclictest19777-21apt-get20:37:411
1290699372,29cyclictest0-21swapper/119:47:401
12906993713,21cyclictest23741-21expr19:37:391
1290699370,4cyclictest21854-21ssh22:11:161
1290199372,30cyclictest27275-21ssh22:17:420
1290199372,30cyclictest27275-21ssh22:17:420
1290199371,30cyclictest0-21swapper/021:12:400
1290199371,30cyclictest0-21swapper/020:37:410
1290199371,22cyclictest0-21swapper/023:41:510
12901993710,23cyclictest24137-21irqrtprio00:02:510
1290199370,34cyclictest27807-21grep22:53:010
106891370,1ptp4l401ktimersoftd/323:49:583
106891370,1ptp4l401ktimersoftd/323:21:553
106891370,1ptp4l401ktimersoftd/322:24:023
106891370,1ptp4l401ktimersoftd/322:09:053
106891370,1ptp4l401ktimersoftd/321:43:023
106891370,1ptp4l401ktimersoftd/321:26:113
106891370,1ptp4l401ktimersoftd/300:37:193
106891370,1ptp4l401ktimersoftd/300:31:483
106891370,0ptp4l401ktimersoftd/322:44:303
12911993630,3cyclictest33-21ksoftirqd/219:27:262
12911993624,2cyclictest33-21ksoftirqd/223:09:092
1290699362,28cyclictest558-21apt-get19:57:371
1290699362,27cyclictest0-21swapper/119:27:371
12906993612,21cyclictest29497-21sed00:08:021
12906993612,20cyclictest26552-21tr19:42:481
1290699360,4cyclictest13907-21ptp4l-jitter22:37:531
1290199362,29cyclictest21658-21apt-get22:47:410
1290199362,28cyclictest24313-21apt-get21:37:420
12901993613,20cyclictest28519-21sh23:32:100
1290199361,29cyclictest0-21swapper/019:57:370
121012368,14sleep10-21swapper/119:12:551
106891360,1ptp4l401ktimersoftd/323:11:033
106891360,1ptp4l401ktimersoftd/322:28:043
106891360,1ptp4l401ktimersoftd/321:38:023
106891360,0ptp4l401ktimersoftd/323:55:443
106891360,0ptp4l401ktimersoftd/323:39:593
106891360,0ptp4l401ktimersoftd/323:24:033
106891360,0ptp4l401ktimersoftd/322:35:583
12911993529,4cyclictest33-21ksoftirqd/220:17:272
12911993529,3cyclictest33-21ksoftirqd/222:58:022
12911993529,3cyclictest33-21ksoftirqd/219:37:262
12911993520,7cyclictest33-21ksoftirqd/223:27:432
12911993515,3cyclictest33-21ksoftirqd/221:17:462
1291199350,2cyclictest121rcu_preempt23:18:432
1290699353,26cyclictest0-21swapper/120:52:441
1290699352,26cyclictest2953-21apt-get20:02:371
1290699352,26cyclictest20941-21apt-get19:32:381
12906993512,20cyclictest32015-21ls21:02:441
1290699350,3cyclictest1978-21/usr/sbin/munin21:07:431
1290699350,3cyclictest13541-21fschecks_time19:17:401
1290699350,2cyclictest0-21swapper/120:57:591
1290199359,22cyclictest16058-21expr23:17:470
12901993514,18cyclictest23443-21/usr/sbin/munin19:37:460
12901993511,21cyclictest8692-21unixbench_multi23:08:020
12901993510,22cyclictest15431-21cut19:22:260
106891350,1ptp4l401ktimersoftd/300:09:473
106891350,0ptp4l401ktimersoftd/323:34:043
106891350,0ptp4l401ktimersoftd/300:21:083
106891350,0ptp4l401ktimersoftd/300:21:083
1291999344,7cyclictest1055-21runrttasks20:32:393
12911993429,3cyclictest33-21ksoftirqd/222:57:302
12911993429,3cyclictest33-21ksoftirqd/200:02:312
12911993428,3cyclictest33-21ksoftirqd/221:32:452
12911993428,3cyclictest33-21ksoftirqd/200:17:322
12911993428,3cyclictest33-21ksoftirqd/200:17:322
1291199340,6cyclictest22514-21hddtemp_smartct00:37:502
1290699340,4cyclictest7256-21rm21:53:361
1290699340,4cyclictest1245-21ssh22:23:171
1290699340,30cyclictest24579-21acpi23:27:431
1290199342,28cyclictest2071-21diskstats21:07:440
1290199341,29cyclictest32141-21tune2fs21:02:460
1290199340,30cyclictest26192-21grep20:47:580
1290199340,2cyclictest0-21swapper/021:25:110
106891340,1ptp4l401ktimersoftd/323:07:013
106891340,1ptp4l401ktimersoftd/300:40:473
106891340,0ptp4l401ktimersoftd/322:37:363
1291199335,3cyclictest121rcu_preempt21:51:242
12911993328,3cyclictest33-21ksoftirqd/220:37:272
12911993328,3cyclictest33-21ksoftirqd/219:47:432
12911993328,3cyclictest33-21ksoftirqd/200:47:332
12911993327,4cyclictest33-21ksoftirqd/222:32:442
12911993327,3cyclictest33-21ksoftirqd/223:37:312
12911993327,3cyclictest33-21ksoftirqd/221:37:452
12911993327,3cyclictest33-21ksoftirqd/200:27:502
12911993325,6cyclictest33-21ksoftirqd/221:07:482
1291199332,3cyclictest121rcu_preempt22:32:302
12911993323,8cyclictest33-21ksoftirqd/221:12:502
12911993315,3cyclictest33-21ksoftirqd/220:37:472
1291199330,2cyclictest121rcu_preempt00:33:062
1290699330,2cyclictest0-21swapper/120:42:581
1290699330,2cyclictest0-21swapper/120:07:491
1290199338,22cyclictest30150-21sed20:57:470
1290199337,23cyclictest11893-21unixbench_multi20:17:570
12901993311,19cyclictest23671-21timerwakeupswit20:42:580
12901993310,20cyclictest18982-21apt-get23:57:470
1290199330,2cyclictest0-21swapper/019:42:530
106891330,0ptp4l401ktimersoftd/321:33:233
106891330,0ptp4l401ktimersoftd/321:22:023
12911993227,3cyclictest33-21ksoftirqd/223:52:312
12911993227,3cyclictest33-21ksoftirqd/223:12:472
12911993227,3cyclictest33-21ksoftirqd/223:07:312
12911993227,3cyclictest33-21ksoftirqd/222:17:292
12911993227,3cyclictest33-21ksoftirqd/221:42:482
12911993227,3cyclictest33-21ksoftirqd/220:57:282
12911993227,3cyclictest33-21ksoftirqd/220:17:272
12911993227,3cyclictest33-21ksoftirqd/219:32:262
12911993227,3cyclictest33-21ksoftirqd/200:27:332
12911993226,3cyclictest33-21ksoftirqd/220:07:262
12911993226,3cyclictest33-21ksoftirqd/200:07:482
1290699320,3cyclictest24450-21/usr/sbin/munin20:47:461
1290699320,2cyclictest0-21swapper/120:17:461
1290199321,26cyclictest0-21swapper/021:27:410
1290199320,2cyclictest0-21swapper/020:07:410
106891320,1ptp4l401ktimersoftd/320:28:203
106891320,1ptp4l401ktimersoftd/320:28:203
12911993126,3cyclictest33-21ksoftirqd/221:27:522
12911993126,3cyclictest33-21ksoftirqd/220:32:272
12911993126,3cyclictest33-21ksoftirqd/220:32:272
12911993125,3cyclictest33-21ksoftirqd/223:43:012
12911993125,3cyclictest33-21ksoftirqd/221:02:282
12911993125,3cyclictest33-21ksoftirqd/220:42:432
12911993120,8cyclictest33-21ksoftirqd/219:37:432
106891310,1ptp4l401ktimersoftd/319:58:123
106891310,1ptp4l401ktimersoftd/319:32:553
1452913023,3phc2sys41-21ksoftirqd/300:12:553
1452913023,3phc2sys41-21ksoftirqd/300:12:553
12911993025,3cyclictest33-21ksoftirqd/220:22:432
12911993024,3cyclictest33-21ksoftirqd/220:52:272
106891300,11ptp4l401ktimersoftd/320:46:593
106891300,0ptp4l401ktimersoftd/322:16:573
106891300,0ptp4l401ktimersoftd/319:28:443
12911992924,3cyclictest33-21ksoftirqd/219:52:542
106891290,1ptp4l401ktimersoftd/321:30:013
106891290,1ptp4l401ktimersoftd/319:38:353
106891280,1ptp4l401ktimersoftd/320:23:213
12919992720,4cyclictest41-21ksoftirqd/319:52:293
12919992620,3cyclictest41-21ksoftirqd/320:58:063
12919992620,3cyclictest41-21ksoftirqd/320:48:103
12919992619,4cyclictest41-21ksoftirqd/320:10:553
106891260,1ptp4l401ktimersoftd/319:25:113
12919992518,4cyclictest41-21ksoftirqd/321:12:053
106891250,1ptp4l401ktimersoftd/323:59:463
106891250,0ptp4l401ktimersoftd/319:51:583
1452912417,3phc2sys41-21ksoftirqd/300:46:033
12919992417,4cyclictest41-21ksoftirqd/320:17:023
12919992417,4cyclictest41-21ksoftirqd/320:03:573
106891240,9ptp4l401ktimersoftd/320:38:593
106891240,1ptp4l401ktimersoftd/320:22:263
106891240,1ptp4l401ktimersoftd/319:42:413
106891230,1ptp4l401ktimersoftd/322:02:393
106891230,1ptp4l401ktimersoftd/321:12:433
106891230,1ptp4l401ktimersoftd/321:02:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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