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2026-04-19 - 05:37
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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 all highest latencies:
System rackbslot6.osadl.org (updated Sun Apr 19, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
53021660,5sleep32636799cyclictest00:11:293
3193621560,4sleep12635699cyclictest01:16:111
342121490,5sleep12635699cyclictest21:45:571
2554921250,3sleep10-21swapper/120:16:021
106891990,4ptp4l401ktimersoftd/320:16:143
106891750,1ptp4l401ktimersoftd/300:03:263
106891690,1ptp4l401ktimersoftd/300:48:263
106891670,1ptp4l401ktimersoftd/323:15:103
261002664,10sleep00-21swapper/020:18:360
106891650,8ptp4l401ktimersoftd/322:42:343
190202630,2sleep20-21swapper/201:36:122
120402620,3sleep32636799cyclictest20:55:533
106891600,1ptp4l401ktimersoftd/300:40:193
106891600,1ptp4l401ktimersoftd/300:40:193
106891580,1ptp4l401ktimersoftd/320:37:543
224522570,4sleep2321ktimersoftd/223:29:082
155312550,2sleep00-21swapper/000:26:520
26367995440,7cyclictest41-21ksoftirqd/323:25:523
106891530,1ptp4l401ktimersoftd/321:50:073
106891520,1ptp4l401ktimersoftd/301:47:503
111482510,2sleep30-21swapper/300:55:583
106891480,2ptp4l19933-21kworker/3:022:08:503
26367994731,8cyclictest41-21ksoftirqd/323:20:503
106891470,1ptp4l401ktimersoftd/301:34:293
106891450,1ptp4l401ktimersoftd/301:24:093
149402420,1sleep114939-21sort01:00:411
245322414,22sleep224683-21hddtemp_smartct20:15:522
26367994028,6cyclictest41-21ksoftirqd/301:35:573
106891400,1ptp4l401ktimersoftd/321:17:213
106891400,1ptp4l401ktimersoftd/321:17:213
106891400,1ptp4l401ktimersoftd/300:43:083
26367993927,6cyclictest41-21ksoftirqd/323:50:513
106891390,1ptp4l401ktimersoftd/322:22:593
106891380,1ptp4l401ktimersoftd/323:55:433
106891380,1ptp4l401ktimersoftd/323:48:413
106891380,1ptp4l401ktimersoftd/322:47:103
106891380,1ptp4l401ktimersoftd/321:30:583
106891380,1ptp4l401ktimersoftd/301:29:233
106891380,1ptp4l401ktimersoftd/301:20:033
106891380,1ptp4l401ktimersoftd/301:05:543
106891380,1ptp4l401ktimersoftd/300:31:283
106891380,1ptp4l401ktimersoftd/300:07:573
26351993728,5cyclictest9-21ksoftirqd/021:55:500
106891370,5ptp4l401ktimersoftd/322:17:043
106891370,1ptp4l401ktimersoftd/323:36:203
106891370,1ptp4l401ktimersoftd/323:33:073
106891370,1ptp4l401ktimersoftd/322:36:133
106891370,1ptp4l401ktimersoftd/321:26:003
106891370,1ptp4l401ktimersoftd/301:14:233
106891370,1ptp4l401ktimersoftd/300:52:413
106891370,1ptp4l401ktimersoftd/300:26:153
106891370,1ptp4l401ktimersoftd/300:22:023
106891370,1ptp4l401ktimersoftd/300:18:183
106891360,1ptp4l401ktimersoftd/323:04:173
106891360,1ptp4l401ktimersoftd/322:52:453
106891360,1ptp4l401ktimersoftd/320:45:563
106891360,0ptp4l401ktimersoftd/322:34:293
106891360,0ptp4l401ktimersoftd/322:11:143
106891360,0ptp4l401ktimersoftd/301:00:533
106891350,1ptp4l401ktimersoftd/322:26:573
106891350,1ptp4l401ktimersoftd/321:55:533
106891340,1ptp4l401ktimersoftd/322:55:583
106891340,1ptp4l401ktimersoftd/322:55:583
106891340,1ptp4l401ktimersoftd/301:41:183
26351993322,6cyclictest9-21ksoftirqd/023:15:530
106891330,1ptp4l401ktimersoftd/323:40:583
26367993226,3cyclictest41-21ksoftirqd/320:25:363
26356993220,10cyclictest25-21ksoftirqd/101:32:511
106891320,1ptp4l401ktimersoftd/321:42:423
106891320,0ptp4l401ktimersoftd/323:08:153
26367993126,3cyclictest41-21ksoftirqd/322:00:563
26367993125,3cyclictest41-21ksoftirqd/320:50:493
26363993125,3cyclictest2451-21cron21:45:372
26367993025,3cyclictest41-21ksoftirqd/321:00:543
2636399301,3cyclictest121rcu_preempt01:12:102
2635699300,2cyclictest121rcu_preempt01:08:111
106891300,1ptp4l401ktimersoftd/321:07:383
106891300,0ptp4l401ktimersoftd/320:26:383
269882290,4sleep22636399cyclictest01:45:432
26367992918,5cyclictest41-21ksoftirqd/320:40:483
26363992922,4cyclictest33-21ksoftirqd/221:10:512
26363992922,4cyclictest33-21ksoftirqd/221:10:512
26351992923,3cyclictest9-21ksoftirqd/023:30:390
26351992923,3cyclictest9-21ksoftirqd/021:52:320
106891290,0ptp4l401ktimersoftd/323:18:063
26363992821,4cyclictest33-21ksoftirqd/201:18:462
26356992823,3cyclictest25-21ksoftirqd/101:15:421
26356992822,3cyclictest25-21ksoftirqd/122:22:271
256202280,2sleep20-21swapper/223:31:092
26367992723,3cyclictest41-21ksoftirqd/321:10:563
26367992723,3cyclictest41-21ksoftirqd/321:10:563
26367992722,3cyclictest41-21ksoftirqd/321:35:503
26367992721,3cyclictest41-21ksoftirqd/320:30:483
2636399274,3cyclictest121rcu_preempt01:08:102
2636399273,3cyclictest121rcu_preempt21:52:222
26363992721,3cyclictest33-21ksoftirqd/223:55:532
26351992722,3cyclictest9-21ksoftirqd/022:35:500
26351992721,3cyclictest9-21ksoftirqd/023:35:570
26351992721,3cyclictest9-21ksoftirqd/001:04:180
26351992720,4cyclictest9-21ksoftirqd/023:08:550
184112271,3sleep118429-21turbostat.cron23:25:391
18202270,2sleep01951-21/usr/sbin/munin21:41:030
26356992620,4cyclictest25-21ksoftirqd/122:09:021
2635199264,13cyclictest26663-21ssh23:00:500
2635199264,12cyclictest19682-21ssh22:20:500
2635199263,14cyclictest12589-21ssh01:30:540
2635199262,15cyclictest16400-21snmpd21:20:480
26351992621,3cyclictest9-21ksoftirqd/022:16:000
26351992617,5cyclictest32099-21sed21:36:050
106891260,1ptp4l401ktimersoftd/321:21:383
299692250,3sleep1241ktimersoftd/101:47:431
26363992519,3cyclictest33-21ksoftirqd/221:49:052
26363992519,3cyclictest33-21ksoftirqd/220:56:142
26363992519,3cyclictest33-21ksoftirqd/200:44:482
26363992519,3cyclictest33-21ksoftirqd/200:07:292
26363992518,4cyclictest33-21ksoftirqd/222:18:382
26363992518,4cyclictest33-21ksoftirqd/221:40:082
26363992518,4cyclictest33-21ksoftirqd/220:52:552
26363992518,4cyclictest33-21ksoftirqd/220:48:372
2635699255,13cyclictest47050irq/101-ens3-Tx00:40:521
26356992519,4cyclictest25-21ksoftirqd/121:07:231
26356992519,3cyclictest25-21ksoftirqd/122:40:241
26356992518,4cyclictest25-21ksoftirqd/121:35:461
26356992517,6cyclictest25-21ksoftirqd/122:47:471
2635199254,18cyclictest14252-21tail21:00:520
2635199254,13cyclictest64-21kswapd000:45:520
26351992520,3cyclictest9-21ksoftirqd/023:30:530
26351992520,3cyclictest9-21ksoftirqd/022:51:080
26351992520,3cyclictest9-21ksoftirqd/000:41:030
26351992520,3cyclictest9-21ksoftirqd/000:01:000
26351992519,3cyclictest9-21ksoftirqd/021:17:380
26351992519,3cyclictest9-21ksoftirqd/021:17:380
26351992519,3cyclictest9-21ksoftirqd/020:49:310
230392250,2sleep00-21swapper/000:35:510
230392250,2sleep00-21swapper/000:35:510
287342240,1sleep20-21swapper/223:01:302
2636399242,19cyclictest30309-21grep20:25:542
26363992418,3cyclictest33-21ksoftirqd/222:57:382
26363992418,3cyclictest33-21ksoftirqd/222:57:382
26363992418,3cyclictest33-21ksoftirqd/222:07:062
26363992418,3cyclictest33-21ksoftirqd/221:17:502
26363992418,3cyclictest33-21ksoftirqd/221:17:502
26363992418,3cyclictest33-21ksoftirqd/220:33:102
26363992417,4cyclictest33-21ksoftirqd/223:19:052
26363992417,4cyclictest33-21ksoftirqd/221:58:472
26363992417,4cyclictest33-21ksoftirqd/221:08:052
26363992412,3cyclictest12544-21bc01:30:532
2636399241,20cyclictest2464-21hddtemp_smartct20:35:522
26356992419,3cyclictest25-21ksoftirqd/122:50:531
26356992418,3cyclictest31892-21fschecks_count23:05:541
26356992418,3cyclictest25-21ksoftirqd/122:18:121
26356992418,3cyclictest25-21ksoftirqd/121:26:251
26356992418,3cyclictest25-21ksoftirqd/120:24:271
26356992417,4cyclictest25-21ksoftirqd/122:02:391
26356992417,4cyclictest25-21ksoftirqd/120:48:361
2635699241,20cyclictest27399-21ssh00:40:141
2635699241,20cyclictest27399-21ssh00:40:141
2635699241,20cyclictest21739-21ssh23:27:561
26356992411,10cyclictest1383-21cat23:40:521
26351992418,3cyclictest9-21ksoftirqd/022:07:200
26351992418,3cyclictest9-21ksoftirqd/021:08:020
26351992417,4cyclictest9-21ksoftirqd/021:12:200
26351992417,4cyclictest9-21ksoftirqd/021:12:200
106891240,1ptp4l401ktimersoftd/321:50:593
2636399233,12cyclictest3458-21ssh00:15:532
26363992317,3cyclictest28337-21df_inode21:30:492
26363992315,4cyclictest10311-21diskmemload00:21:212
2636399231,4cyclictest3973-21ssh00:48:502
2636399231,3cyclictest25009-21ssh00:36:132
2636399231,3cyclictest25009-21ssh00:36:132
2636399231,19cyclictest16766-21snmp_o5powerctl01:01:062
2635699231,19cyclictest0-21swapper/121:15:491
2635699231,19cyclictest0-21swapper/121:15:491
2635199232,3cyclictest121rcu_preempt23:55:560
26351992318,3cyclictest9-21ksoftirqd/023:12:170
26351992318,3cyclictest17695-21ssh23:24:260
26351992317,4cyclictest9-21ksoftirqd/020:30:130
26351992317,3cyclictest9-21ksoftirqd/023:00:390
26351992317,3cyclictest9-21ksoftirqd/020:38:480
26351992317,3cyclictest9-21ksoftirqd/001:20:420
26351992315,4cyclictest31780-21sort01:50:430
26363992216,4cyclictest33-21ksoftirqd/221:04:112
26363992216,3cyclictest33-21ksoftirqd/223:46:472
26363992216,3cyclictest33-21ksoftirqd/220:43:092
26363992216,3cyclictest33-21ksoftirqd/200:30:062
26363992215,4cyclictest33-21ksoftirqd/223:35:512
26363992215,4cyclictest33-21ksoftirqd/222:11:202
2636399221,3cyclictest12514-21snmp_o5powerctl23:51:042
2636399220,4cyclictest17020-21sh23:23:162
26356992216,3cyclictest25-21ksoftirqd/121:51:461
26356992216,3cyclictest25-21ksoftirqd/121:21:151
26356992216,3cyclictest25-21ksoftirqd/120:30:441
26356992216,3cyclictest25-21ksoftirqd/101:40:021
26356992215,4cyclictest9724-21irqrtprio23:15:581
26356992215,4cyclictest2641-21grep20:35:541
26356992214,6cyclictest25-21ksoftirqd/100:33:221
2635699221,19cyclictest0-21swapper/123:47:041
2635699221,12cyclictest25816-21taskset00:05:531
26351992216,3cyclictest25727-21/usr/sbin/munin00:06:080
26351992215,4cyclictest9613-21sh23:48:560
26351992215,4cyclictest19264-21diskmemload01:26:060
2635199221,4cyclictest21608-21rt-features01:06:070
26351992211,8cyclictest19264-21diskmemload01:25:210
26351992211,5cyclictest26344-21cyclictest21:25:480
26351992210,3cyclictest30980-21cut22:31:010
136712220,5sleep024119-1kworker/0:2H21:00:360
2636399212,11cyclictest29567-21ssh22:30:492
26363992114,4cyclictest7296-21fschecks_count22:40:532
2636399211,3cyclictest0-21swapper/200:50:462
2636399211,17cyclictest0-21swapper/223:10:432
2636399211,12cyclictest16818-21ssh22:50:512
2636399210,18cyclictest32101-21hddtemp_smartct23:05:552
2635699215,2cyclictest241ktimersoftd/100:01:431
2635699212,3cyclictest121rcu_preempt20:26:391
26356992116,3cyclictest25-21ksoftirqd/123:12:371
26356992116,3cyclictest25-21ksoftirqd/121:45:211
26356992115,4cyclictest25-21ksoftirqd/120:53:381
26356992115,4cyclictest25-21ksoftirqd/101:43:011
26356992115,3cyclictest25-21ksoftirqd/121:00:571
26356992115,3cyclictest25-21ksoftirqd/101:01:181
26356992115,3cyclictest12835-21sh23:51:071
26356992114,5cyclictest25-21ksoftirqd/122:43:211
26356992114,4cyclictest15084-21df_inode22:10:491
2635699211,18cyclictest1032-21tail00:45:571
2635699211,18cyclictest0-21swapper/123:58:091
2635699211,17cyclictest0-21swapper/122:31:591
2635699210,19cyclictest0-21swapper/121:58:181
2635699210,19cyclictest0-21swapper/100:53:541
26351992116,3cyclictest9-21ksoftirqd/023:52:380
26351992116,3cyclictest0-21swapper/023:41:510
26351992115,3cyclictest9-21ksoftirqd/022:03:230
26351992115,3cyclictest9-21ksoftirqd/000:20:400
26351992115,3cyclictest31351-21grep00:10:570
26351992114,4cyclictest9-21ksoftirqd/001:12:250
26351992114,4cyclictest22295-21/usr/sbin/munin01:40:590
26351992114,4cyclictest22057-21fschecks_count22:55:540
2636399204,10cyclictest2729-21apt-get01:20:542
26363992016,2cyclictest0-21swapper/221:28:572
26363992014,4cyclictest19648-21python00:31:052
26363992014,3cyclictest33-21ksoftirqd/222:37:352
26363992014,3cyclictest24800-21sed21:21:042
26363992014,3cyclictest2429-21sh23:40:592
26363992014,3cyclictest23094-21sh22:23:472
26363992014,3cyclictest14379-21sh22:47:152
26363992014,3cyclictest12911-21sh00:57:192
26363992013,4cyclictest33-21ksoftirqd/200:15:222
26363992013,4cyclictest27266-21sh22:27:292
26363992013,4cyclictest23096-21sh00:01:452
2636399201,16cyclictest27766-21hddtemp_smartct01:45:582
2636399200,18cyclictest9461-21/usr/sbin/munin01:26:112
26356992015,3cyclictest0-21swapper/122:25:461
26356992014,3cyclictest25-21ksoftirqd/101:25:511
26356992013,4cyclictest22754-21sed22:55:581
26356992013,4cyclictest22754-21sed22:55:581
26356992013,4cyclictest13533-21sh00:25:541
26356992013,4cyclictest1055-21runrttasks23:36:061
2635699201,17cyclictest7045-21ssh00:19:091
2635699201,16cyclictest5329-21memory20:40:561
2635699201,16cyclictest30312-21apt-get00:10:451
2635699201,16cyclictest0-21swapper/101:20:551
2635699201,16cyclictest0-21swapper/100:20:531
26351992016,2cyclictest0-21swapper/020:30:400
26351992015,3cyclictest9-21ksoftirqd/022:49:280
26351992013,4cyclictest4448-21users21:46:090
26351992013,4cyclictest26538-21/usr/sbin/munin20:20:520
26351992013,4cyclictest19264-21diskmemload22:27:150
26351992013,4cyclictest19264-21diskmemload00:23:190
26351992013,4cyclictest15630-21cut22:10:540
26363991913,4cyclictest11211-21snmp_o5powerctl22:01:022
26363991913,3cyclictest27487-21cut20:20:532
26356991915,2cyclictest0-21swapper/120:55:551
26356991913,3cyclictest24008-21cat23:30:531
26356991912,4cyclictest26803-21grep23:00:511
2635699191,17cyclictest0-21swapper/121:34:211
2635699191,16cyclictest0-21swapper/121:11:171
2635699191,16cyclictest0-21swapper/121:11:171
26351991914,3cyclictest5410-21/usr/sbin/munin00:51:040
26351991913,3cyclictest9-21ksoftirqd/000:31:100
26351991912,4cyclictest9689-21if_err_enp1s020:50:530
26351991912,4cyclictest28918-21irqrtprio21:30:530
26351991912,4cyclictest19264-21diskmemload22:42:320
26351991910,6cyclictest46950irq/100-ens3-Tx00:55:520
2635199190,17cyclictest0-21swapper/001:37:330
26351991813,3cyclictest9-21ksoftirqd/020:41:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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