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2026-06-02 - 14:44
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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 Tue Jun 02, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117521790,3sleep32435599cyclictest00:40:013
117521790,3sleep32435599cyclictest00:40:013
2189621780,3sleep12433999cyclictest01:34:311
269721670,5sleep02433299cyclictest23:01:330
1361821450,4sleep22434899cyclictest01:59:012
1095821390,3sleep12433999cyclictest23:44:021
1068911050,4ptp4l401ktimersoftd/320:42:123
314952740,5sleep131494-21fschecks_count22:05:131
106891740,1ptp4l401ktimersoftd/322:18:113
106891710,1ptp4l401ktimersoftd/321:24:383
106891670,1ptp4l401ktimersoftd/302:08:543
106891640,10ptp4l401ktimersoftd/322:49:543
106891640,10ptp4l401ktimersoftd/322:49:543
106891620,1ptp4l401ktimersoftd/321:25:273
143472610,1sleep00-21swapper/001:25:270
106891580,1ptp4l401ktimersoftd/301:56:443
56382570,2sleep20-21swapper/201:50:222
39132570,4sleep33911-21tail23:35:293
106891570,1ptp4l401ktimersoftd/302:14:043
106891570,1ptp4l401ktimersoftd/301:26:353
106891560,1ptp4l401ktimersoftd/322:10:263
194632550,4sleep32435599cyclictest23:51:473
106891550,1ptp4l401ktimersoftd/323:16:113
106891490,2ptp4l10274-21kworker/3:023:05:443
50102480,1sleep00-21swapper/023:05:060
106891460,2ptp4l10274-21kworker/3:023:22:513
106891460,2ptp4l10274-21kworker/3:000:03:413
106891460,1ptp4l401ktimersoftd/323:02:083
24332994339,2cyclictest0-21swapper/020:44:550
106891390,1ptp4l401ktimersoftd/322:59:543
106891380,1ptp4l401ktimersoftd/323:58:043
106891380,1ptp4l401ktimersoftd/323:46:503
106891380,1ptp4l401ktimersoftd/301:20:363
106891380,1ptp4l401ktimersoftd/300:44:033
106891380,1ptp4l401ktimersoftd/300:26:223
106891370,2ptp4l10274-21kworker/3:021:40:213
106891370,1ptp4l401ktimersoftd/323:30:573
106891370,1ptp4l401ktimersoftd/323:29:383
106891370,1ptp4l401ktimersoftd/323:11:263
106891370,1ptp4l401ktimersoftd/322:53:043
106891370,1ptp4l401ktimersoftd/301:39:193
106891370,1ptp4l401ktimersoftd/301:10:433
106891370,1ptp4l401ktimersoftd/301:08:553
106891370,1ptp4l401ktimersoftd/300:22:023
106891370,1ptp4l401ktimersoftd/300:16:343
106891370,1ptp4l401ktimersoftd/300:09:263
106891360,1ptp4l401ktimersoftd/301:49:493
106891360,1ptp4l401ktimersoftd/301:04:493
106891360,0ptp4l401ktimersoftd/301:54:333
106891360,0ptp4l401ktimersoftd/301:17:473
106891360,0ptp4l401ktimersoftd/300:31:073
106891360,0ptp4l401ktimersoftd/300:31:073
246532350,6sleep2321ktimersoftd/223:25:082
106891350,1ptp4l401ktimersoftd/300:45:283
24332993428,3cyclictest233-21systemd-journal21:09:510
106891340,1ptp4l401ktimersoftd/301:30:313
106891340,1ptp4l401ktimersoftd/300:59:413
106891340,1ptp4l401ktimersoftd/300:10:513
313742330,1sleep30-21swapper/322:05:113
106891330,1ptp4l401ktimersoftd/322:44:503
106891330,1ptp4l401ktimersoftd/322:30:253
106891330,1ptp4l401ktimersoftd/321:57:543
106891330,1ptp4l401ktimersoftd/321:07:353
106891330,1ptp4l10274-21kworker/3:021:11:063
106891320,0ptp4l401ktimersoftd/321:54:183
106891310,1ptp4l401ktimersoftd/322:04:193
106891310,1ptp4l401ktimersoftd/301:41:113
106891310,0ptp4l401ktimersoftd/321:48:393
106891310,0ptp4l401ktimersoftd/320:59:153
24348993022,4cyclictest33-21ksoftirqd/201:45:152
226192305,10sleep10-21swapper/120:40:131
106891300,1ptp4l401ktimersoftd/323:41:153
106891300,1ptp4l401ktimersoftd/321:38:533
106891300,1ptp4l401ktimersoftd/320:47:473
24339992923,3cyclictest25-21ksoftirqd/123:30:181
24332992923,3cyclictest9-21ksoftirqd/023:30:200
106891290,0ptp4l401ktimersoftd/321:01:013
106891290,0ptp4l401ktimersoftd/321:01:013
24348992821,4cyclictest24222-21awk22:50:252
24348992821,3cyclictest33-21ksoftirqd/202:00:192
24348992814,11cyclictest22202-21sh01:35:022
2434899280,3cyclictest121rcu_preempt00:07:572
24332992822,3cyclictest9-21ksoftirqd/023:29:590
232472285,10sleep20-21swapper/220:40:182
24355992721,3cyclictest41-21ksoftirqd/300:50:253
24348992720,4cyclictest33-21ksoftirqd/222:43:572
24348992720,4cyclictest33-21ksoftirqd/220:51:522
24348992720,4cyclictest33-21ksoftirqd/201:19:022
24339992720,4cyclictest6516-21cat22:20:171
24339992720,4cyclictest25-21ksoftirqd/101:20:171
24332992722,3cyclictest9-21ksoftirqd/001:50:240
24332992721,3cyclictest9-21ksoftirqd/002:12:450
106891270,1ptp4l401ktimersoftd/322:25:433
24355992620,3cyclictest41-21ksoftirqd/321:33:573
2434899265,14cyclictest24314-21ssh02:10:142
24348992620,3cyclictest33-21ksoftirqd/201:25:352
24348992619,4cyclictest33-21ksoftirqd/201:14:122
24339992621,3cyclictest25-21ksoftirqd/121:54:571
24339992620,3cyclictest25-21ksoftirqd/101:10:101
24339992620,3cyclictest25-21ksoftirqd/100:50:281
24339992614,9cyclictest22296-21sh02:07:161
24332992620,3cyclictest9-21ksoftirqd/020:59:550
24332992620,3cyclictest9-21ksoftirqd/001:45:300
24332992619,4cyclictest9-21ksoftirqd/001:22:540
106891260,1ptp4l401ktimersoftd/322:38:403
106891260,0ptp4l401ktimersoftd/321:19:523
73252250,2sleep20-21swapper/223:40:142
24348992519,3cyclictest33-21ksoftirqd/221:42:592
24348992518,4cyclictest33-21ksoftirqd/220:47:302
24339992520,3cyclictest25-21ksoftirqd/122:01:191
24339992520,3cyclictest25-21ksoftirqd/101:50:031
24339992520,3cyclictest25-21ksoftirqd/100:15:231
24339992519,3cyclictest25-21ksoftirqd/123:55:001
24339992519,3cyclictest25-21ksoftirqd/121:45:081
24339992519,3cyclictest25-21ksoftirqd/100:20:321
24339992518,4cyclictest27739-21tr20:50:081
24332992520,3cyclictest9-21ksoftirqd/002:10:020
24332992519,4cyclictest9-21ksoftirqd/022:29:330
24332992519,3cyclictest9-21ksoftirqd/021:44:370
24332992518,4cyclictest9-21ksoftirqd/022:13:400
24332992518,4cyclictest9-21ksoftirqd/001:00:530
24332992518,4cyclictest9-21ksoftirqd/000:29:300
24332992517,5cyclictest25652-21head20:45:160
106891250,1ptp4l401ktimersoftd/320:52:553
106891250,0ptp4l401ktimersoftd/322:24:423
2434899243,7cyclictest2148-21apt-get23:35:112
24348992418,3cyclictest33-21ksoftirqd/222:28:122
24348992418,3cyclictest33-21ksoftirqd/222:12:092
24348992418,3cyclictest33-21ksoftirqd/201:44:532
24348992418,3cyclictest33-21ksoftirqd/200:52:392
24348992417,4cyclictest33-21ksoftirqd/222:59:022
24348992414,5cyclictest16093-21open_files23:15:202
24348992412,9cyclictest27361-21sh00:32:512
24348992412,9cyclictest27361-21sh00:32:512
24339992418,3cyclictest25-21ksoftirqd/123:05:131
24339992418,3cyclictest25-21ksoftirqd/122:42:431
24339992417,4cyclictest25-21ksoftirqd/121:59:311
24332992419,3cyclictest9-21ksoftirqd/001:05:310
24332992419,3cyclictest9-21ksoftirqd/000:35:280
24332992419,3cyclictest9-21ksoftirqd/000:35:280
24332992419,3cyclictest9-21ksoftirqd/000:10:190
24332992418,3cyclictest9-21ksoftirqd/023:45:220
24332992418,3cyclictest9-21ksoftirqd/000:15:140
24332992417,4cyclictest9-21ksoftirqd/022:08:300
24332992417,4cyclictest9-21ksoftirqd/021:10:120
24332992417,4cyclictest9-21ksoftirqd/000:31:430
24332992417,4cyclictest9-21ksoftirqd/000:31:430
24332992417,4cyclictest28055-21head00:00:220
106891240,1ptp4l401ktimersoftd/302:04:543
2434899237,11cyclictest14330-21kworker/2:123:20:122
24348992318,3cyclictest33-21ksoftirqd/223:04:582
24348992318,3cyclictest33-21ksoftirqd/200:10:302
24348992317,3cyclictest33-21ksoftirqd/221:35:492
24348992317,3cyclictest33-21ksoftirqd/221:01:452
24348992317,3cyclictest33-21ksoftirqd/221:01:452
24348992316,4cyclictest33-21ksoftirqd/222:39:432
24348992316,4cyclictest33-21ksoftirqd/221:33:272
2434899231,10cyclictest313732/usr/sbin/munin22:05:112
2433999238,5cyclictest25-21ksoftirqd/102:12:411
24339992318,3cyclictest25-21ksoftirqd/123:00:191
24339992318,3cyclictest25-21ksoftirqd/101:53:341
24339992318,3cyclictest25-21ksoftirqd/101:15:141
24339992317,3cyclictest25-21ksoftirqd/121:14:071
24339992317,3cyclictest25-21ksoftirqd/120:55:431
24339992316,4cyclictest25-21ksoftirqd/121:29:121
2433299233,17cyclictest14839-21sed21:30:130
24332992318,3cyclictest9-21ksoftirqd/023:10:120
24332992317,3cyclictest9-21ksoftirqd/021:47:200
24332992317,3cyclictest9-21ksoftirqd/021:16:480
24332992317,3cyclictest9-21ksoftirqd/020:49:560
24332992316,4cyclictest9-21ksoftirqd/022:21:340
24332992316,4cyclictest9-21ksoftirqd/021:56:180
24332992316,4cyclictest9-21ksoftirqd/021:39:070
2434899221,7cyclictest23122-21grep01:35:182
24348992217,3cyclictest33-21ksoftirqd/223:55:202
24348992216,3cyclictest33-21ksoftirqd/200:03:112
24348992215,4cyclictest33-21ksoftirqd/220:58:582
2434899221,4cyclictest15802-21snmp_o5powerctl00:20:292
24348992214,5cyclictest17457-21diskmemload23:10:222
24348992211,9cyclictest28336-21kworker/u8:123:09:352
24339992217,3cyclictest25-21ksoftirqd/102:05:021
24339992217,3cyclictest25-21ksoftirqd/100:30:221
24339992217,3cyclictest25-21ksoftirqd/100:30:221
24339992217,3cyclictest25-21ksoftirqd/100:00:081
24339992216,3cyclictest25-21ksoftirqd/122:26:401
24339992216,3cyclictest25-21ksoftirqd/122:15:471
24339992216,3cyclictest25-21ksoftirqd/121:08:311
24339992215,4cyclictest25-21ksoftirqd/100:40:311
24339992215,4cyclictest11765-21grep23:10:281
2433999221,4cyclictest14008-21memory22:35:181
24332992217,3cyclictest9-21ksoftirqd/022:00:220
24332992217,3cyclictest9-21ksoftirqd/001:15:230
24332992216,3cyclictest9-21ksoftirqd/021:21:380
24332992216,3cyclictest9-21ksoftirqd/000:50:210
24332992215,4cyclictest4612-21needreboot22:15:200
72562211,16sleep27258-21snmp_o5powerctl22:20:252
2434899214,3cyclictest121rcu_preempt01:20:322
24348992116,3cyclictest33-21ksoftirqd/200:15:042
24348992115,3cyclictest9973-21sh00:48:252
24348992115,3cyclictest6951-21cron21:14:562
24348992114,4cyclictest29974-21sh01:09:252
24348992114,4cyclictest15535-21sh23:48:262
24348992113,4cyclictest30421-21unixbench-2d22:00:242
2433999217,8cyclictest47050irq/101-ens3-Tx01:25:151
2433999212,16cyclictest20310-21tail23:20:161
24339992116,3cyclictest25-21ksoftirqd/100:00:011
24339992115,4cyclictest25-21ksoftirqd/122:13:001
24339992115,3cyclictest7208-21/usr/sbin/munin21:15:241
24339992115,3cyclictest25-21ksoftirqd/123:38:121
24339992114,4cyclictest11142-21idleruntime22:30:181
2433999211,3cyclictest24686-21ssh01:35:521
24339992113,4cyclictest30169-21needreboot00:35:201
24339992113,4cyclictest30169-21needreboot00:35:201
2433999211,17cyclictest16234-21apt-get00:55:131
24332992116,3cyclictest9-21ksoftirqd/023:20:290
24332992116,3cyclictest9-21ksoftirqd/022:44:580
24332992116,3cyclictest9-21ksoftirqd/001:40:180
24332992116,3cyclictest9-21ksoftirqd/000:55:200
24332992115,3cyclictest9-21ksoftirqd/022:47:400
24332992115,3cyclictest9-21ksoftirqd/022:47:400
24332992115,3cyclictest1732-21expr00:40:150
24332992115,3cyclictest11908-21sendmail_mailqu22:30:230
24332992113,4cyclictest6855-21gltestperf00:45:180
24332992113,4cyclictest1055-21runrttasks23:50:200
24332992113,4cyclictest101ktimersoftd/001:10:150
24332992111,6cyclictest15638-21latency02:00:230
188662210,2sleep20-21swapper/223:50:452
2434899201,4cyclictest22892-21switchtime21:45:242
24348992014,3cyclictest33-21ksoftirqd/221:59:402
24348992014,3cyclictest33-21ksoftirqd/221:05:052
24348992014,3cyclictest32156-21sh00:37:392
24348992014,3cyclictest32156-21sh00:37:392
24348992014,3cyclictest31535-21sh23:30:322
24348992013,4cyclictest33-21ksoftirqd/222:45:172
24348992013,4cyclictest33-21ksoftirqd/222:45:172
24348992013,4cyclictest33-21ksoftirqd/221:18:542
24348992013,4cyclictest19788-21tune2fs02:05:182
24348992013,4cyclictest12143-21cat22:30:292
24348992012,4cyclictest19685-21gltestperf00:25:172
24348992012,4cyclictest16192-21bc00:55:122
24348992012,4cyclictest1458-21/usr/sbin/munin00:40:222
24339992014,4cyclictest25-21ksoftirqd/121:33:101
24339992014,3cyclictest23186-21fschecks_time22:50:171
24339992014,3cyclictest18439-21unixbench_singl21:35:261
24339992013,4cyclictest26677-21ls20:49:551
24339992013,4cyclictest26057-21ptp4l23:25:211
24339992013,4cyclictest21369-21sh01:00:161
24339992013,4cyclictest11378-21timerandwakeup01:55:321
24339992013,3cyclictest20445-21phc2sys-jitter00:25:231
24339992012,5cyclictest15643-21irqrtprio23:15:171
24339992011,5cyclictest31745-21sshd01:44:271
2433299203,11cyclictest9774-21apt-get01:55:160
24332992015,3cyclictest9-21ksoftirqd/022:55:220
24332992015,3cyclictest17665-1kworker/u9:222:54:280
24332992014,4cyclictest15876-21irqstats23:15:180
24332992013,4cyclictest9-21ksoftirqd/021:01:050
24332992013,4cyclictest9-21ksoftirqd/021:01:050
24332992013,4cyclictest23182-21if_enp1s001:35:190
24332992013,4cyclictest21718-21/usr/sbin/munin23:55:120
24332992013,4cyclictest14553-21sed22:35:260
2433299201,15cyclictest14432-21tr00:20:150
2433299200,17cyclictest19951-21chrt01:31:090
2433299200,17cyclictest11941-21/usr/sbin/munin21:25:130
24348991913,3cyclictest3473-21/usr/sbin/munin22:15:242
24348991913,3cyclictest25208-21sensors_temp21:50:202
24348991913,3cyclictest12552-21if_enp1s0.121:25:152
24348991912,4cyclictest21804-21grep01:00:202
24348991912,4cyclictest10449-21cut21:20:172
24339991914,3cyclictest29050-21sh01:07:491
24339991914,3cyclictest21270-21sh22:48:051
24339991914,3cyclictest21270-21sh22:48:051
24339991914,3cyclictest1463-21sh00:05:541
24339991913,3cyclictest6343-21/usr/sbin/munin00:45:171
24339991913,3cyclictest28188-21seq22:55:151
24339991912,4cyclictest4216-21/usr/sbin/munin00:10:191
24339991912,4cyclictest19467-21fschecks_time21:40:111
2433999191,15cyclictest13382-21snmp_o5powerctl23:45:241
2433299193,13cyclictest32168-21fschecks_time00:05:170
2433299192,13cyclictest2862-21grep23:35:180
24332991913,3cyclictest17457-21diskmemload23:43:250
24332991912,4cyclictest25943-21idleruntime-cro21:54:570
24339991813,3cyclictest25-21ksoftirqd/121:01:461
24339991813,3cyclictest25-21ksoftirqd/121:01:461
24339991811,4cyclictest10324-21irqrtprio21:20:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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