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2026-06-20 - 08:20
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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 Jun 20, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2663321520,5sleep21564299cyclictest01:24:012
2135321440,2sleep21564299cyclictest02:24:432
2067421300,4sleep01562899cyclictest00:10:230
1068911060,4ptp4l401ktimersoftd/320:51:243
287012800,2sleep30-21swapper/300:19:583
106891720,1ptp4l401ktimersoftd/323:43:253
106891670,1ptp4l401ktimersoftd/323:20:223
136962620,3sleep20-21swapper/220:50:052
103162600,2sleep20-21swapper/200:33:582
279562580,2sleep00-21swapper/000:50:380
163392580,4sleep341-21ksoftirqd/300:05:453
106891580,1ptp4l401ktimersoftd/322:32:313
106891580,1ptp4l401ktimersoftd/301:04:003
106891580,1ptp4l401ktimersoftd/301:04:003
106891570,1ptp4l401ktimersoftd/300:35:343
127182560,2sleep10-21swapper/100:03:221
106891560,1ptp4l401ktimersoftd/300:03:413
128042550,2sleep20-21swapper/223:30:142
106891530,1ptp4l401ktimersoftd/301:04:593
106891520,1ptp4l401ktimersoftd/301:55:173
39762510,3sleep10-21swapper/100:26:301
257212490,2sleep00-21swapper/023:10:130
153802474,32sleep10-21swapper/120:53:081
105791470,5getstats46850irq/99-ens3-TxR01:42:153
89572460,2sleep10-21swapper/101:05:171
106891430,1ptp4l401ktimersoftd/302:22:073
300212420,4sleep330022-21fschecks_time23:15:103
300212420,4sleep330022-21fschecks_time23:15:103
106891420,11ptp4l401ktimersoftd/323:03:393
106891390,1ptp4l401ktimersoftd/323:14:213
106891390,1ptp4l401ktimersoftd/301:37:473
106891390,1ptp4l401ktimersoftd/300:31:163
106891380,1ptp4l401ktimersoftd/323:57:003
106891380,1ptp4l401ktimersoftd/323:47:273
106891380,1ptp4l401ktimersoftd/302:14:063
106891380,1ptp4l401ktimersoftd/302:03:463
106891380,1ptp4l401ktimersoftd/301:47:103
106891380,1ptp4l401ktimersoftd/301:30:033
106891380,1ptp4l401ktimersoftd/301:20:423
106891380,1ptp4l401ktimersoftd/300:45:123
106891380,1ptp4l401ktimersoftd/300:23:203
106891370,3ptp4l23573-21kworker/3:022:53:393
106891370,1ptp4l401ktimersoftd/323:54:573
106891370,1ptp4l401ktimersoftd/323:37:533
106891370,1ptp4l401ktimersoftd/323:32:443
106891370,1ptp4l401ktimersoftd/323:29:253
106891370,1ptp4l401ktimersoftd/323:05:023
106891370,1ptp4l401ktimersoftd/322:56:353
106891370,1ptp4l401ktimersoftd/322:20:103
106891370,1ptp4l401ktimersoftd/321:35:083
106891370,1ptp4l401ktimersoftd/302:18:253
106891370,1ptp4l401ktimersoftd/302:08:073
106891370,1ptp4l401ktimersoftd/301:53:173
106891370,1ptp4l401ktimersoftd/300:57:483
106891370,1ptp4l401ktimersoftd/300:50:473
106891370,1ptp4l401ktimersoftd/300:29:373
106891370,1ptp4l401ktimersoftd/300:10:483
106891370,0ptp4l401ktimersoftd/321:20:183
106891360,1ptp4l401ktimersoftd/300:41:503
106891360,0ptp4l401ktimersoftd/322:09:503
42872350,1sleep20-21swapper/201:00:162
42872350,1sleep20-21swapper/201:00:162
106891350,1ptp4l401ktimersoftd/321:40:223
106891350,0ptp4l401ktimersoftd/321:52:293
106891330,1ptp4l401ktimersoftd/321:48:313
106891330,1ptp4l401ktimersoftd/301:16:563
106891320,1ptp4l401ktimersoftd/321:32:123
106891320,1ptp4l401ktimersoftd/321:32:123
15642993125,3cyclictest33-21ksoftirqd/200:59:442
1562899316,22cyclictest21973-21ssh23:06:140
15628993125,3cyclictest9-21ksoftirqd/021:39:540
15628993125,3cyclictest9-21ksoftirqd/002:10:010
106891310,10ptp4l401ktimersoftd/322:28:003
106891310,0ptp4l401ktimersoftd/322:13:123
106142310,2sleep20-21swapper/222:55:132
15642993024,4cyclictest23798-21/usr/sbin/munin21:10:092
15628993025,3cyclictest9-21ksoftirqd/023:04:550
15628993025,3cyclictest9-21ksoftirqd/021:24:530
106891300,1ptp4l401ktimersoftd/322:02:243
106891300,1ptp4l401ktimersoftd/301:26:383
106891300,11ptp4l401ktimersoftd/322:38:143
15628992924,3cyclictest9-21ksoftirqd/000:45:130
106891290,0ptp4l401ktimersoftd/320:56:053
174972280,4sleep1241ktimersoftd/123:01:591
15628992822,3cyclictest9-21ksoftirqd/021:19:530
15628992822,3cyclictest9-21ksoftirqd/001:19:130
15628992821,4cyclictest9-21ksoftirqd/020:55:030
15628992820,5cyclictest14233-21turbostat.cron01:44:590
143442285,10sleep00-21swapper/020:50:120
106891280,1ptp4l401ktimersoftd/322:42:263
517822720,3sleep125-21ksoftirqd/101:35:131
285492270,3sleep228553-21irqrtprio01:25:172
15636992720,4cyclictest25-21ksoftirqd/121:50:291
15628992722,3cyclictest9-21ksoftirqd/022:05:080
15628992721,3cyclictest9-21ksoftirqd/023:49:570
15628992721,3cyclictest9-21ksoftirqd/022:30:060
15628992721,3cyclictest9-21ksoftirqd/000:20:070
106891270,0ptp4l401ktimersoftd/321:02:193
15651992619,4cyclictest41-21ksoftirqd/322:46:153
15642992623,2cyclictest33-21ksoftirqd/223:09:562
15642992620,3cyclictest33-21ksoftirqd/221:09:522
15642992619,4cyclictest33-21ksoftirqd/222:21:172
15642992619,4cyclictest33-21ksoftirqd/221:26:052
15642992619,4cyclictest33-21ksoftirqd/221:26:052
15642992619,4cyclictest33-21ksoftirqd/220:57:262
1563699263,2cyclictest121rcu_preempt00:59:101
15636992620,3cyclictest25-21ksoftirqd/121:00:031
15628992621,3cyclictest9-21ksoftirqd/001:50:160
15628992620,3cyclictest9-21ksoftirqd/021:58:140
15628992619,5cyclictest9-21ksoftirqd/023:40:180
106891260,1ptp4l401ktimersoftd/321:27:343
106891260,1ptp4l401ktimersoftd/321:27:343
160102250,3sleep01562899cyclictest00:05:250
15651992519,3cyclictest41-21ksoftirqd/322:15:403
15651992519,3cyclictest41-21ksoftirqd/301:10:113
15642992519,3cyclictest33-21ksoftirqd/222:52:412
15642992519,3cyclictest33-21ksoftirqd/222:49:052
15642992519,3cyclictest33-21ksoftirqd/222:10:032
15642992519,3cyclictest33-21ksoftirqd/221:42:512
15642992518,4cyclictest33-21ksoftirqd/222:41:482
15642992518,4cyclictest33-21ksoftirqd/222:29:162
1563699254,3cyclictest121rcu_preempt01:25:241
15636992520,3cyclictest25-21ksoftirqd/123:42:501
15636992519,3cyclictest25-21ksoftirqd/100:35:091
15636992518,4cyclictest25-21ksoftirqd/122:49:301
15636992518,4cyclictest11851-21/usr/sbin/munin23:30:241
15636992517,5cyclictest6527-21irqrtprio21:40:121
15628992520,3cyclictest9-21ksoftirqd/001:00:280
15628992520,3cyclictest9-21ksoftirqd/001:00:280
15628992520,3cyclictest9-21ksoftirqd/000:39:580
15628992519,3cyclictest9-21ksoftirqd/000:34:570
1562899250,22cyclictest18176-21kworker/0:002:10:130
15642992418,3cyclictest33-21ksoftirqd/222:15:062
15642992418,3cyclictest33-21ksoftirqd/222:09:002
15642992418,3cyclictest33-21ksoftirqd/221:56:522
15642992418,3cyclictest33-21ksoftirqd/221:49:412
15642992418,3cyclictest33-21ksoftirqd/221:30:422
15642992418,3cyclictest33-21ksoftirqd/221:30:422
15642992417,4cyclictest33-21ksoftirqd/221:38:292
15642992417,4cyclictest33-21ksoftirqd/202:07:292
15642992417,4cyclictest33-21ksoftirqd/201:53:562
15642992412,7cyclictest0-21swapper/200:20:092
1564299241,20cyclictest0-21swapper/222:30:072
1563699242,12cyclictest9783-21ssh01:40:121
15636992419,3cyclictest25-21ksoftirqd/102:15:181
15636992419,3cyclictest25-21ksoftirqd/102:05:001
15636992418,3cyclictest25-21ksoftirqd/121:35:031
15636992418,3cyclictest25-21ksoftirqd/120:58:381
15636992418,3cyclictest25-21ksoftirqd/102:05:181
15636992416,5cyclictest25-21ksoftirqd/121:22:021
15628992418,3cyclictest9-21ksoftirqd/022:40:020
15628992418,3cyclictest9-21ksoftirqd/021:52:160
15628992418,3cyclictest9-21ksoftirqd/021:41:410
15628992418,3cyclictest9-21ksoftirqd/002:00:140
15628992418,3cyclictest9-21ksoftirqd/000:25:290
15628992417,4cyclictest9-21ksoftirqd/022:46:480
15628992417,4cyclictest9-21ksoftirqd/022:27:170
15628992417,4cyclictest9-21ksoftirqd/022:21:270
15628992417,4cyclictest1855-21grep01:30:270
15628992416,5cyclictest372-21sed22:35:110
145242241,3sleep014533-21snmp_o5powerctl01:10:270
106891240,1ptp4l401ktimersoftd/321:10:053
106891240,0ptp4l401ktimersoftd/321:57:543
106891240,0ptp4l401ktimersoftd/321:09:473
15642992317,3cyclictest33-21ksoftirqd/222:39:162
15642992316,4cyclictest33-21ksoftirqd/200:47:352
15642992316,4cyclictest33-21ksoftirqd/200:12:302
15642992316,4cyclictest11993-21cut21:50:192
1564299231,5cyclictest121rcu_preempt00:39:552
15636992318,3cyclictest25-21ksoftirqd/123:35:161
15636992318,3cyclictest25-21ksoftirqd/122:55:081
15636992318,3cyclictest25-21ksoftirqd/121:49:321
1563699231,7cyclictest4532-21munin-run01:34:591
15636992317,4cyclictest25-21ksoftirqd/101:15:171
15636992317,3cyclictest25-21ksoftirqd/121:34:531
15636992317,3cyclictest25-21ksoftirqd/121:34:531
15636992317,3cyclictest25-21ksoftirqd/101:13:071
15636992316,4cyclictest25-21ksoftirqd/121:16:321
15636992316,4cyclictest25-21ksoftirqd/102:14:591
15636992315,6cyclictest25-21ksoftirqd/123:10:321
15636992314,6cyclictest8472-21phc2sys22:50:181
15628992318,3cyclictest9-21ksoftirqd/023:55:100
15628992318,3cyclictest9-21ksoftirqd/001:55:190
15628992317,3cyclictest9-21ksoftirqd/022:59:370
15628992317,3cyclictest9-21ksoftirqd/021:31:250
15628992317,3cyclictest9-21ksoftirqd/021:31:250
15628992317,3cyclictest9-21ksoftirqd/021:11:590
15628992317,3cyclictest9-21ksoftirqd/001:29:250
15628992317,3cyclictest9-21ksoftirqd/000:00:090
15628992317,3cyclictest31356-21grep21:25:090
15628992317,3cyclictest31356-21grep21:25:090
15628992316,4cyclictest9-21ksoftirqd/023:33:010
15628992316,4cyclictest17335-21gltestperf23:35:130
15628992316,4cyclictest16672-21unixbench_singl01:45:290
15628992310,10cyclictest3869-21cut23:54:570
106891230,1ptp4l401ktimersoftd/321:15:043
15642992216,3cyclictest33-21ksoftirqd/221:23:482
15642992216,3cyclictest33-21ksoftirqd/201:40:032
15642992216,3cyclictest33-21ksoftirqd/200:50:522
15642992215,4cyclictest33-21ksoftirqd/223:14:082
1564299221,18cyclictest8719-21hddtemp_smartct01:05:152
1564299221,18cyclictest18806-21cron00:09:572
15636992217,3cyclictest25-21ksoftirqd/121:28:591
15636992217,3cyclictest25-21ksoftirqd/121:28:591
15636992217,3cyclictest25-21ksoftirqd/101:20:251
15636992217,3cyclictest25-21ksoftirqd/100:20:141
15636992217,3cyclictest25-21ksoftirqd/100:15:111
15636992216,3cyclictest27047-21tune2fs23:45:111
15636992216,3cyclictest25-21ksoftirqd/102:00:001
15636992215,4cyclictest25-21ksoftirqd/122:34:051
15636992214,4cyclictest27510-21switchtime00:50:241
15636992214,4cyclictest20740-21latency01:50:201
15636992212,4cyclictest25-21ksoftirqd/121:13:311
1563699221,13cyclictest9424-21diskmemload23:55:091
15628992217,3cyclictest9-21ksoftirqd/002:15:180
15628992216,3cyclictest9-21ksoftirqd/023:24:560
15628992216,3cyclictest9-21ksoftirqd/023:19:560
15628992216,3cyclictest9-21ksoftirqd/023:19:560
15628992216,3cyclictest9-21ksoftirqd/021:02:130
15628992216,3cyclictest9-21ksoftirqd/001:20:170
15628992215,4cyclictest9-21ksoftirqd/021:48:190
15628992215,4cyclictest9-21ksoftirqd/001:06:320
15628992214,4cyclictest1055-21runrttasks00:57:340
15642992116,3cyclictest33-21ksoftirqd/223:19:182
15642992116,3cyclictest33-21ksoftirqd/223:19:182
15642992115,3cyclictest33-21ksoftirqd/222:04:412
15642992115,3cyclictest33-21ksoftirqd/201:18:212
15642992114,4cyclictest8516-21sh01:38:312
15642992114,4cyclictest7830-21sh23:58:432
15642992114,4cyclictest33-21ksoftirqd/221:04:252
15642992114,4cyclictest31245-21sh02:00:242
15642992114,4cyclictest17455-21sh01:46:452
1564299210,9cyclictest97342rm00:00:122
15636992116,3cyclictest25-21ksoftirqd/122:39:171
15636992116,3cyclictest25-21ksoftirqd/122:16:061
15636992116,3cyclictest25-21ksoftirqd/122:14:211
15636992116,3cyclictest25-21ksoftirqd/121:55:141
15636992116,3cyclictest25-21ksoftirqd/100:05:101
15636992115,4cyclictest25-21ksoftirqd/121:06:091
15636992115,3cyclictest25470-21grep22:20:101
15636992115,3cyclictest23395-21sh00:46:131
15636992114,4cyclictest6619-21idleruntime-cro23:24:561
15636992114,4cyclictest31495-21/usr/sbin/munin23:50:141
15636992114,4cyclictest17803-21cut02:20:191
15636992114,4cyclictest11724-21cat23:29:561
15628992116,3cyclictest9-21ksoftirqd/000:40:260
15628992114,4cyclictest9424-21diskmemload00:17:150
15628992114,4cyclictest9-21ksoftirqd/022:53:270
15628992114,4cyclictest6297-21sendmail_mailtr01:35:210
1564299204,9cyclictest24089-21ssh00:15:072
1564299203,10cyclictest7043-21ssh23:25:072
1564299201,4cyclictest29336-21ssh23:46:492
15642992014,3cyclictest14808-21sh02:16:482
15642992013,4cyclictest28133-21sh01:58:102
15642992013,4cyclictest26163-21/usr/sbin/munin21:15:242
15642992013,4cyclictest2544-21sh01:31:342
15642992013,4cyclictest2516-21cat00:25:162
15642992013,4cyclictest24203-21sh23:41:282
15642992013,4cyclictest18930-21sh00:41:572
15642992013,4cyclictest1685-21sh23:51:352
15642992013,4cyclictest13577-21hddtemp_smartct01:10:162
1563699204,14cyclictest5541-21kworker/1:122:40:141
15636992014,3cyclictest47050irq/101-ens3-Tx01:00:251
15636992014,3cyclictest47050irq/101-ens3-Tx01:00:251
15636992013,4cyclictest32106-21sh23:16:251
15636992013,4cyclictest32106-21sh23:16:251
15636992013,4cyclictest17944-21sh00:40:271
15636992013,4cyclictest17378-21sh01:46:371
15628992014,3cyclictest9424-21diskmemload02:20:280
15628992013,4cyclictest9-21ksoftirqd/022:12:160
15628992013,4cyclictest22912-21cat21:05:350
15628992013,4cyclictest22848-21tr22:15:080
15628992013,4cyclictest15974-21fschecks_time22:00:100
15642991913,3cyclictest7314-21cat02:10:112
15642991913,3cyclictest5557-21sh23:23:072
15642991912,4cyclictest17131-21df_inode23:35:112
15642991912,4cyclictest14598-21sh23:00:012
15636991913,3cyclictest25-21ksoftirqd/122:03:151
15636991913,3cyclictest20643-21ls23:05:141
15636991912,4cyclictest9424-21diskmemload00:33:361
15636991912,4cyclictest19184-21processes22:05:161
15628991912,4cyclictest9424-21diskmemload23:27:210
15636991812,4cyclictest19217-21sh00:10:091
15636991812,3cyclictest28828-21switchtime22:25:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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