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2026-05-13 - 09:27
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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 Wed May 13, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
548522460,6sleep00-21swapper/020:29:120
2445521810,3sleep3688999cyclictest23:30:483
1068911600,4ptp4l401ktimersoftd/320:33:433
106891940,1ptp4l401ktimersoftd/322:55:483
106891720,1ptp4l401ktimersoftd/300:44:563
198322650,4sleep1687299cyclictest23:59:251
67412644,10sleep20-21swapper/220:33:472
106891640,1ptp4l401ktimersoftd/301:54:103
106891640,1ptp4l401ktimersoftd/301:35:233
126042620,2sleep00-21swapper/000:59:180
115272600,5sleep0686499cyclictest01:32:140
106891570,2ptp4l17508-21kworker/3:100:36:333
106891570,1ptp4l401ktimersoftd/323:52:043
106891540,1ptp4l401ktimersoftd/322:40:093
143291530,2getstats0-21swapper/300:49:083
106891530,1ptp4l401ktimersoftd/300:06:063
6872995123,9cyclictest25-21ksoftirqd/123:04:111
687299501,8cyclictest14941-21apt-get00:29:021
106891500,1ptp4l401ktimersoftd/301:02:093
6872994928,13cyclictest25-21ksoftirqd/101:28:591
106891490,1ptp4l401ktimersoftd/301:06:393
106891490,1ptp4l401ktimersoftd/301:06:393
6872994824,8cyclictest25-21ksoftirqd/121:19:091
6872994824,4cyclictest25-21ksoftirqd/100:04:191
106891480,14ptp4l4358-21kworker/3:223:47:473
6872994723,4cyclictest25-21ksoftirqd/123:10:581
6872994720,4cyclictest25-21ksoftirqd/100:49:551
106891470,1ptp4l401ktimersoftd/322:46:093
687299466,7cyclictest25-21ksoftirqd/101:14:101
6872994625,8cyclictest25-21ksoftirqd/120:33:521
6872994622,4cyclictest25-21ksoftirqd/122:59:081
6872994622,4cyclictest25-21ksoftirqd/100:24:281
106891460,1ptp4l401ktimersoftd/322:35:403
6872994521,4cyclictest25-21ksoftirqd/100:09:561
6872994520,4cyclictest25-21ksoftirqd/123:33:561
6872994520,4cyclictest25-21ksoftirqd/123:24:181
6872994519,4cyclictest25-21ksoftirqd/101:59:171
6872994512,8cyclictest25-21ksoftirqd/100:14:201
106891450,0ptp4l401ktimersoftd/321:47:073
6872994434,3cyclictest25-21ksoftirqd/100:54:241
6872994422,3cyclictest25-21ksoftirqd/100:35:051
6872994421,7cyclictest25-21ksoftirqd/101:44:171
6872994421,4cyclictest25-21ksoftirqd/122:35:361
6872994420,4cyclictest25-21ksoftirqd/101:49:271
6872994420,4cyclictest25-21ksoftirqd/101:09:211
6872994419,4cyclictest25-21ksoftirqd/123:19:251
6872994419,4cyclictest25-21ksoftirqd/123:19:251
6872994417,9cyclictest25-21ksoftirqd/122:44:101
687299440,32cyclictest233-21systemd-journal23:53:561
106891440,0ptp4l401ktimersoftd/300:26:143
687299434,3cyclictest121rcu_preempt00:19:221
6872994333,3cyclictest25-21ksoftirqd/122:18:551
6872994319,4cyclictest25-21ksoftirqd/123:39:251
6872994318,4cyclictest25-21ksoftirqd/123:34:101
6872994317,4cyclictest25-21ksoftirqd/100:39:171
6872994316,4cyclictest25-21ksoftirqd/121:09:051
6872994315,4cyclictest25-21ksoftirqd/101:34:311
6872994314,7cyclictest25-21ksoftirqd/122:23:551
6872994314,4cyclictest25-21ksoftirqd/123:54:241
106891430,1ptp4l401ktimersoftd/300:42:153
687299426,3cyclictest25-21ksoftirqd/120:43:531
6872994236,3cyclictest25-21ksoftirqd/121:33:571
6872994236,3cyclictest25-21ksoftirqd/121:33:571
687299422,9cyclictest25-21ksoftirqd/101:29:271
6872994219,4cyclictest25-21ksoftirqd/122:24:081
6872994218,4cyclictest25-21ksoftirqd/122:08:541
6872994218,4cyclictest25-21ksoftirqd/101:04:201
6872994218,4cyclictest25-21ksoftirqd/101:04:201
6872994216,9cyclictest25-21ksoftirqd/101:39:231
6872994216,5cyclictest25-21ksoftirqd/101:54:141
6872994215,9cyclictest25-21ksoftirqd/101:03:581
6872994215,10cyclictest25-21ksoftirqd/120:49:071
6872994214,9cyclictest25-21ksoftirqd/122:09:171
6872994214,4cyclictest25-21ksoftirqd/121:59:111
130342420,2sleep00-21swapper/020:44:080
687299417,3cyclictest25-21ksoftirqd/123:14:191
687299415,3cyclictest25-21ksoftirqd/121:04:061
6872994123,3cyclictest25-21ksoftirqd/100:44:211
6872994119,4cyclictest25-21ksoftirqd/121:24:061
6872994115,8cyclictest25-21ksoftirqd/120:48:521
6872994115,8cyclictest25-21ksoftirqd/101:23:591
6872994021,7cyclictest25-21ksoftirqd/120:54:041
6872994014,9cyclictest25-21ksoftirqd/121:44:111
106891400,1ptp4l401ktimersoftd/323:15:493
106891400,1ptp4l401ktimersoftd/323:06:013
106891400,1ptp4l401ktimersoftd/323:00:323
106891400,16ptp4l401ktimersoftd/322:50:333
687299396,6cyclictest25-21ksoftirqd/122:54:121
687299395,3cyclictest25-21ksoftirqd/120:59:101
687299394,6cyclictest25-21ksoftirqd/122:39:111
687299393,2cyclictest121rcu_preempt22:49:121
687299392,3cyclictest3733-21dpkg21:33:531
687299392,3cyclictest3733-21dpkg21:33:531
6872993915,10cyclictest25-21ksoftirqd/121:53:541
106891390,1ptp4l401ktimersoftd/321:24:213
106891390,1ptp4l401ktimersoftd/300:58:363
106891390,1ptp4l401ktimersoftd/300:14:033
6872993818,7cyclictest25-21ksoftirqd/121:14:221
6872993815,4cyclictest25-21ksoftirqd/122:29:121
6872993813,8cyclictest25-21ksoftirqd/123:44:121
6864993825,7cyclictest9-21ksoftirqd/023:49:080
106891380,1ptp4l401ktimersoftd/323:41:143
106891380,1ptp4l401ktimersoftd/323:28:073
106891380,1ptp4l401ktimersoftd/320:54:063
106891380,1ptp4l401ktimersoftd/301:21:033
106891380,0ptp4l401ktimersoftd/320:44:043
106891380,0ptp4l401ktimersoftd/300:31:173
106891370,1ptp4l401ktimersoftd/323:22:013
106891370,1ptp4l401ktimersoftd/323:22:013
106891370,1ptp4l401ktimersoftd/322:19:253
106891370,1ptp4l401ktimersoftd/301:45:593
106891370,1ptp4l401ktimersoftd/301:30:183
106891370,1ptp4l401ktimersoftd/301:24:043
106891370,1ptp4l401ktimersoftd/301:10:153
106891370,0ptp4l401ktimersoftd/301:15:013
6872993611,4cyclictest25-21ksoftirqd/121:39:231
687299360,3cyclictest121rcu_preempt21:54:111
106891360,1ptp4l401ktimersoftd/323:33:573
106891360,1ptp4l401ktimersoftd/323:11:193
106891360,1ptp4l401ktimersoftd/301:43:233
106891360,1ptp4l401ktimersoftd/300:22:103
106891360,1ptp4l401ktimersoftd/300:11:523
106891360,0ptp4l401ktimersoftd/323:55:323
6872993530,3cyclictest25-21ksoftirqd/120:34:061
106891350,0ptp4l401ktimersoftd/301:52:263
6864993428,3cyclictest9-21ksoftirqd/002:04:000
44412340,1sleep20-21swapper/200:50:372
106891340,2ptp4l4358-21kworker/3:222:06:153
106891340,2ptp4l401ktimersoftd/321:06:163
106891330,11ptp4l401ktimersoftd/322:09:233
686499324,17cyclictest30845-21ssh01:19:100
106891320,1ptp4l401ktimersoftd/322:01:283
106891320,1ptp4l401ktimersoftd/321:17:093
106891320,0ptp4l401ktimersoftd/321:56:053
6864993125,3cyclictest9-21ksoftirqd/022:43:550
106891310,1ptp4l401ktimersoftd/322:28:033
106891310,1ptp4l401ktimersoftd/322:17:343
106891310,1ptp4l401ktimersoftd/320:39:413
106891310,1ptp4l401ktimersoftd/302:00:033
106891310,0ptp4l401ktimersoftd/321:19:273
6864993024,3cyclictest9-21ksoftirqd/001:09:170
106891300,1ptp4l401ktimersoftd/321:11:333
6879992921,5cyclictest33-21ksoftirqd/221:23:532
6879992919,7cyclictest17922-21runrttasks22:00:542
6864992924,3cyclictest9-21ksoftirqd/023:03:550
6864992924,3cyclictest9-21ksoftirqd/022:19:130
6864992924,3cyclictest9-21ksoftirqd/001:14:170
6864992923,3cyclictest9-21ksoftirqd/023:39:080
6864992923,3cyclictest9-21ksoftirqd/000:44:110
6864992823,3cyclictest26696-1kworker/u9:200:10:210
6864992822,3cyclictest9-21ksoftirqd/023:34:150
6864992822,3cyclictest9-21ksoftirqd/022:38:550
248132280,1sleep20-21swapper/222:58:552
6879992721,4cyclictest33-21ksoftirqd/200:34:122
6879992720,4cyclictest33-21ksoftirqd/223:16:462
687999271,3cyclictest121rcu_preempt22:46:482
6864992721,3cyclictest9-21ksoftirqd/022:54:090
6864992721,3cyclictest9-21ksoftirqd/022:28:220
6864992721,3cyclictest9-21ksoftirqd/021:53:540
106891270,0ptp4l401ktimersoftd/321:00:383
6889992619,4cyclictest41-21ksoftirqd/322:32:023
6879992621,3cyclictest33-21ksoftirqd/200:18:572
6879992619,4cyclictest27619-21grep21:14:112
6864992621,3cyclictest9-21ksoftirqd/023:24:100
6864992621,3cyclictest9-21ksoftirqd/023:14:140
6864992621,3cyclictest9-21ksoftirqd/021:18:520
6864992621,3cyclictest9-21ksoftirqd/001:44:180
6864992621,3cyclictest9-21ksoftirqd/001:04:100
6864992621,3cyclictest9-21ksoftirqd/001:04:100
6864992621,3cyclictest9-21ksoftirqd/000:34:130
6864992620,3cyclictest9-21ksoftirqd/022:48:540
6864992620,3cyclictest9-21ksoftirqd/022:06:450
6864992620,3cyclictest9-21ksoftirqd/021:33:530
6864992620,3cyclictest9-21ksoftirqd/021:33:530
6864992615,8cyclictest9-21ksoftirqd/020:49:220
106891260,0ptp4l401ktimersoftd/321:53:373
6889992519,3cyclictest41-21ksoftirqd/320:33:553
6879992519,3cyclictest33-21ksoftirqd/223:04:092
6879992518,4cyclictest33-21ksoftirqd/221:37:372
6879992518,4cyclictest33-21ksoftirqd/221:37:372
6879992518,4cyclictest33-21ksoftirqd/220:37:072
6879992518,4cyclictest33-21ksoftirqd/201:32:162
6864992521,3cyclictest9-21ksoftirqd/021:28:530
6864992520,3cyclictest9-21ksoftirqd/022:52:400
6864992520,3cyclictest9-21ksoftirqd/021:34:110
6864992520,3cyclictest9-21ksoftirqd/021:34:110
6864992519,5cyclictest9-21ksoftirqd/020:54:100
6864992519,3cyclictest9-21ksoftirqd/022:13:570
6864992519,3cyclictest9-21ksoftirqd/021:58:580
6864992519,3cyclictest9-21ksoftirqd/021:06:480
6864992519,3cyclictest9-21ksoftirqd/000:28:580
6864992519,3cyclictest9-21ksoftirqd/000:19:170
6864992518,4cyclictest9-21ksoftirqd/022:33:160
106891250,8ptp4l401ktimersoftd/321:30:273
106891250,8ptp4l401ktimersoftd/321:30:273
106891250,1ptp4l401ktimersoftd/321:39:113
106891250,1ptp4l401ktimersoftd/320:49:053
687999242,17cyclictest2853-21cut23:09:132
6879992419,3cyclictest33-21ksoftirqd/223:39:092
6879992418,3cyclictest33-21ksoftirqd/222:59:082
6879992418,3cyclictest33-21ksoftirqd/220:46:552
6879992418,3cyclictest33-21ksoftirqd/200:56:272
6879992418,3cyclictest33-21ksoftirqd/200:39:272
6879992418,3cyclictest33-21ksoftirqd/200:12:592
6879992417,4cyclictest33-21ksoftirqd/222:18:362
6879992417,4cyclictest33-21ksoftirqd/221:57:332
6879992417,4cyclictest33-21ksoftirqd/220:43:222
6879992417,4cyclictest12431-21tail21:49:152
6864992419,3cyclictest9-21ksoftirqd/023:44:250
6864992419,3cyclictest9-21ksoftirqd/023:29:060
6864992419,3cyclictest9-21ksoftirqd/001:54:000
6864992418,3cyclictest9-21ksoftirqd/021:41:010
6864992418,3cyclictest9-21ksoftirqd/020:40:350
6864992411,10cyclictest27606-21latency_hist00:08:580
106891240,1ptp4l401ktimersoftd/323:59:093
106891240,1ptp4l401ktimersoftd/321:34:103
106891240,1ptp4l401ktimersoftd/321:34:103
687999234,16cyclictest23280-21tr00:04:112
687999233,18cyclictest24120-21ssh01:11:192
6879992318,3cyclictest33-21ksoftirqd/201:58:592
6879992317,3cyclictest33-21ksoftirqd/221:40:532
6879992316,4cyclictest33-21ksoftirqd/222:05:272
6879992316,4cyclictest33-21ksoftirqd/220:56:262
6879992316,4cyclictest33-21ksoftirqd/201:36:262
687999231,5cyclictest14293-21ssh01:00:592
686499237,13cyclictest3225-21sh00:49:200
6864992319,3cyclictest9-21ksoftirqd/021:44:120
6864992318,3cyclictest9-21ksoftirqd/023:19:140
6864992318,3cyclictest9-21ksoftirqd/023:19:140
6864992317,4cyclictest9-21ksoftirqd/000:55:400
6864992317,3cyclictest9-21ksoftirqd/022:11:160
6864992317,3cyclictest9-21ksoftirqd/020:59:540
6864992317,3cyclictest9-21ksoftirqd/001:54:000
6864992317,3cyclictest9-21ksoftirqd/000:29:150
232362231,18sleep232399-21diskmemload01:44:172
687999223,16cyclictest19504-21cron00:33:572
687999222,15cyclictest5313-21cpuspeed_turbos00:19:112
6879992217,3cyclictest33-21ksoftirqd/201:51:212
6879992216,4cyclictest33-21ksoftirqd/221:48:372
6879992216,3cyclictest33-21ksoftirqd/222:40:562
6879992215,4cyclictest33-21ksoftirqd/223:47:532
6879992215,4cyclictest33-21ksoftirqd/201:40:312
6879992213,6cyclictest7096-21sh02:00:062
6879992213,6cyclictest22419-21if_enp1s0.123:29:132
6879992213,5cyclictest18646-21timerwakeupswit23:24:252
687999220,20cyclictest0-21swapper/222:29:032
6864992217,3cyclictest15579-1kworker/u9:101:38:320
6864992216,3cyclictest9-21ksoftirqd/021:56:140
6864992216,3cyclictest29822-21kworker/0:223:04:100
6864992215,4cyclictest9-21ksoftirqd/001:42:500
303082220,2sleep00-21swapper/021:19:130
6879992115,4cyclictest33-21ksoftirqd/223:55:122
6879992115,3cyclictest33-21ksoftirqd/222:28:472
6879992115,3cyclictest33-21ksoftirqd/221:08:292
687999211,4cyclictest17422-21ssh22:49:522
6879992114,4cyclictest505-21rt-features21:24:142
6879992114,4cyclictest33-21ksoftirqd/221:01:162
6879992114,4cyclictest29893-21sh01:18:012
6879992114,4cyclictest22176-21sh00:02:582
6879992114,4cyclictest15462-21sh23:22:042
6879992114,4cyclictest15462-21sh23:22:042
6879992113,6cyclictest7692-21latency_hist01:28:592
6864992116,3cyclictest9-21ksoftirqd/023:09:070
6864992116,3cyclictest9-21ksoftirqd/021:09:100
6864992116,3cyclictest9-21ksoftirqd/001:24:120
6864992116,3cyclictest9-21ksoftirqd/000:39:200
6864992116,3cyclictest26696-1kworker/u9:200:16:150
687999207,3cyclictest121rcu_preempt20:49:222
687999204,10cyclictest1656-21apt-get21:29:052
687999204,10cyclictest1656-21apt-get21:29:052
687999201,3cyclictest561-21ssh00:47:182
6879992013,4cyclictest47150irq/102-ens3-Tx01:19:222
6879992013,4cyclictest32631-21sh22:33:562
6879992013,4cyclictest28711-21sh23:34:492
6879992013,4cyclictest25507-21/usr/sbin/munin22:19:142
6879992013,4cyclictest20777-21/usr/sbin/munin22:09:142
6879992013,4cyclictest12391-21sh00:25:182
6879992013,4cyclictest10756-21sh23:49:462
687999201,2cyclictest18642-21ssh01:05:072
687999201,2cyclictest18642-21ssh01:05:072
6864992015,3cyclictest9-21ksoftirqd/020:34:360
6864992015,3cyclictest9-21ksoftirqd/000:03:570
687999190,17cyclictest0-21swapper/221:09:492
6864991914,3cyclictest1055-21runrttasks23:55:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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