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2026-09-10 - 01:56
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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 Sep 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
556622000,7sleep35523-21cstates09:35:043
556622000,7sleep35523-21cstates09:35:043
106891720,1ptp4l401ktimersoftd/312:49:353
106891700,1ptp4l401ktimersoftd/314:03:013
106891700,1ptp4l401ktimersoftd/311:45:453
106891670,1ptp4l401ktimersoftd/312:25:483
71992644,10sleep20-21swapper/209:37:102
71992644,10sleep20-21swapper/209:37:102
106891640,1ptp4l401ktimersoftd/311:25:123
112512630,1sleep20-21swapper/212:55:152
254682610,1sleep10-21swapper/114:50:131
254682610,1sleep10-21swapper/114:50:131
106891590,1ptp4l401ktimersoftd/311:55:313
83062580,2sleep00-21swapper/012:52:200
106891580,1ptp4l401ktimersoftd/312:40:353
106891570,1ptp4l401ktimersoftd/312:02:063
24872550,1sleep30-21swapper/312:14:413
108872550,4sleep233-21ksoftirqd/214:00:392
7509995441,5cyclictest9-21ksoftirqd/013:55:080
106891540,1ptp4l401ktimersoftd/314:25:083
43342530,2sleep20-21swapper/215:00:422
7509995236,8cyclictest9-21ksoftirqd/013:10:090
70942524,36sleep10-21swapper/109:35:471
70942524,36sleep10-21swapper/109:35:471
7509995037,7cyclictest9-21ksoftirqd/014:10:090
106891500,2ptp4l7947-21kworker/3:215:02:023
106891500,2ptp4l29302-21kworker/3:013:01:193
106891500,2ptp4l29302-21kworker/3:013:01:193
106891480,1ptp4l401ktimersoftd/313:31:093
7509994735,6cyclictest9-21ksoftirqd/013:50:070
7530994437,4cyclictest41-21ksoftirqd/314:30:093
751599413,6cyclictest0-21swapper/113:00:071
751599413,6cyclictest0-21swapper/113:00:071
106891410,11ptp4l401ktimersoftd/312:55:383
7530994034,3cyclictest41-21ksoftirqd/313:05:113
7530994034,3cyclictest41-21ksoftirqd/313:05:113
751599392,15cyclictest29693-21find14:20:191
7515993915,20cyclictest11625-21systemctl13:29:561
7509993926,7cyclictest9-21ksoftirqd/013:40:120
106891390,3ptp4l29302-21kworker/3:012:07:333
106891390,1ptp4l401ktimersoftd/314:40:533
106891390,1ptp4l401ktimersoftd/313:36:393
106891390,0ptp4l401ktimersoftd/315:06:383
751599382,5cyclictest0-21swapper/115:05:101
106891380,1ptp4l401ktimersoftd/314:59:513
106891380,1ptp4l401ktimersoftd/314:51:553
106891380,1ptp4l401ktimersoftd/314:51:553
106891380,1ptp4l401ktimersoftd/314:46:273
106891380,1ptp4l401ktimersoftd/314:05:583
106891380,1ptp4l401ktimersoftd/313:43:163
106891380,1ptp4l401ktimersoftd/313:12:183
106891380,1ptp4l401ktimersoftd/312:54:093
106891380,1ptp4l401ktimersoftd/312:15:383
106891380,1ptp4l401ktimersoftd/310:30:183
751599373,7cyclictest10235-21apt-get12:55:081
7515993713,3cyclictest28860-21sh13:13:591
750999372,24cyclictest10237-21ssh12:55:070
106891370,1ptp4l401ktimersoftd/314:22:443
106891370,1ptp4l401ktimersoftd/314:17:453
106891370,1ptp4l401ktimersoftd/313:48:153
106891370,1ptp4l401ktimersoftd/313:25:413
106891370,1ptp4l401ktimersoftd/313:22:343
106891370,1ptp4l401ktimersoftd/313:15:373
106891370,1ptp4l401ktimersoftd/312:36:583
106891370,1ptp4l401ktimersoftd/312:33:583
106891370,1ptp4l401ktimersoftd/311:42:533
106891370,0ptp4l401ktimersoftd/314:10:323
751599362,6cyclictest0-21swapper/112:00:051
751599362,6cyclictest0-21swapper/110:00:031
751599362,4cyclictest0-21swapper/109:45:031
751599361,6cyclictest0-21swapper/114:15:081
7515993613,4cyclictest15784-21expr09:55:041
7515993612,4cyclictest12223-21grep10:55:081
7515993612,3cyclictest3206-21sed15:00:211
7515993612,3cyclictest1711-21if_ens311:40:151
7515993610,3cyclictest28229-21cut11:29:541
7509993624,7cyclictest9-21ksoftirqd/012:45:080
106891360,1ptp4l401ktimersoftd/313:51:273
106891360,1ptp4l401ktimersoftd/312:23:153
106891360,0ptp4l401ktimersoftd/311:52:363
7530993529,3cyclictest41-21ksoftirqd/310:49:533
751599355,9cyclictest22733-21/usr/sbin/munin12:35:121
751599353,6cyclictest17944-21apt-get12:30:061
7515993512,4cyclictest27342-21cat12:05:231
7515993512,3cyclictest21114-21latency_hist11:14:531
7515993511,3cyclictest19800-21sh14:10:181
7515993511,3cyclictest10449-21cat14:00:251
7509993525,8cyclictest9-21ksoftirqd/013:25:240
7509993523,5cyclictest9-21ksoftirqd/012:10:060
106891350,0ptp4l401ktimersoftd/309:46:083
7530993427,4cyclictest41-21ksoftirqd/309:40:033
752299341,2cyclictest121rcu_preempt12:49:552
751599349,4cyclictest8357-21gltestperf12:20:111
751599341,4cyclictest28968-21/usr/sbin/munin12:40:161
7515993414,18cyclictest0-21swapper/114:49:271
7515993414,17cyclictest25-21ksoftirqd/110:18:161
7515993412,3cyclictest610-21diskmemload13:52:331
7515993411,3cyclictest22205-21expr13:40:141
7515993410,3cyclictest5852-21/usr/sbin/munin11:45:071
7515993410,3cyclictest30015-21sort14:55:111
7509993421,7cyclictest9-21ksoftirqd/011:25:040
7509993419,7cyclictest9-21ksoftirqd/010:35:040
106891340,1ptp4l401ktimersoftd/314:35:143
7522993327,3cyclictest33-21ksoftirqd/212:10:132
7522993320,11cyclictest33-21ksoftirqd/214:15:162
751599339,3cyclictest6169-21ls10:40:221
751599339,3cyclictest6068-21sh13:23:441
751599339,3cyclictest3772-21seq12:48:221
7515993322,7cyclictest47050irq/101-ens3-Tx11:55:071
751599331,6cyclictest3034-21ssh12:15:061
7515993315,15cyclictest25-21ksoftirqd/109:44:201
7515993312,3cyclictest1055-21runrttasks10:35:021
7515993310,4cyclictest21630-21fschecks_time11:15:091
7515993310,3cyclictest7236-21expr10:45:061
7509993327,3cyclictest9-21ksoftirqd/014:29:570
7509993327,3cyclictest9-21ksoftirqd/012:09:550
7509993327,3cyclictest9-21ksoftirqd/010:19:520
106891330,1ptp4l401ktimersoftd/310:38:243
7530993225,4cyclictest41-21ksoftirqd/310:09:523
751599329,4cyclictest47050irq/101-ens3-Tx12:10:131
751599329,3cyclictest11952-21/usr/sbin/munin13:30:161
751599328,4cyclictest16339-21latency_hist11:04:531
7515993211,3cyclictest29327-21vmstat10:20:231
7515993211,3cyclictest11890-21mailstats14:35:211
7509993221,6cyclictest9-21ksoftirqd/014:55:100
7530993126,3cyclictest41-21ksoftirqd/310:04:513
7522993126,3cyclictest33-21ksoftirqd/211:49:542
7522993126,3cyclictest33-21ksoftirqd/210:19:522
7522993125,3cyclictest33-21ksoftirqd/211:20:122
7522993125,3cyclictest33-21ksoftirqd/211:20:122
7522993121,8cyclictest33-21ksoftirqd/211:17:402
7522993120,9cyclictest33-21ksoftirqd/214:29:482
751599319,3cyclictest27405-21if_ens313:45:151
751599314,8cyclictest0-21swapper/114:30:141
7515993111,4cyclictest47050irq/101-ens3-Tx13:35:531
7515993111,3cyclictest25-21ksoftirqd/111:23:121
7515993111,3cyclictest25-21ksoftirqd/111:23:121
7515993110,4cyclictest30901-21latency10:25:111
7509993125,3cyclictest9-21ksoftirqd/011:39:540
56152316,12sleep00-21swapper/009:35:060
56152316,12sleep00-21swapper/009:35:060
7522993025,3cyclictest33-21ksoftirqd/214:44:582
7522993024,3cyclictest33-21ksoftirqd/214:30:162
7522993023,4cyclictest33-21ksoftirqd/211:05:112
751599309,3cyclictest29785-21switchtime11:30:211
751599308,4cyclictest22932-21df_inode10:10:071
7509993024,3cyclictest9-21ksoftirqd/014:09:570
7509993015,7cyclictest9-21ksoftirqd/015:05:270
106891300,1ptp4l401ktimersoftd/310:56:313
106891300,1ptp4l401ktimersoftd/310:18:013
106891300,0ptp4l401ktimersoftd/311:16:023
7530992923,3cyclictest41-21ksoftirqd/311:04:523
7530992923,3cyclictest41-21ksoftirqd/310:50:113
7522992923,3cyclictest33-21ksoftirqd/214:20:082
7522992912,11cyclictest14581-21kworker/u8:213:20:072
751599292,8cyclictest4066-21apt-get13:55:091
7515992910,3cyclictest31558-21unixbench_multi13:15:251
7509992923,3cyclictest9-21ksoftirqd/013:35:130
7509992923,3cyclictest9-21ksoftirqd/011:34:540
7509992923,3cyclictest9-21ksoftirqd/009:59:510
7509992922,4cyclictest9-21ksoftirqd/011:09:530
7509992917,10cyclictest9-21ksoftirqd/012:04:540
7509992916,5cyclictest9-21ksoftirqd/010:25:040
750999290,6cyclictest12775-1kworker/u9:014:37:510
7530992822,3cyclictest41-21ksoftirqd/310:25:053
7530992822,3cyclictest41-21ksoftirqd/310:24:523
7522992823,3cyclictest33-21ksoftirqd/214:45:152
7522992823,3cyclictest33-21ksoftirqd/213:15:242
7522992823,3cyclictest33-21ksoftirqd/212:20:182
7522992822,3cyclictest33-21ksoftirqd/214:59:582
7522992822,3cyclictest33-21ksoftirqd/213:55:082
7515992811,3cyclictest241ktimersoftd/109:51:061
750999288,8cyclictest9-21ksoftirqd/014:40:250
7509992823,3cyclictest9-21ksoftirqd/012:29:560
7509992823,3cyclictest9-21ksoftirqd/010:00:100
7509992822,3cyclictest9-21ksoftirqd/014:24:570
7509992822,3cyclictest9-21ksoftirqd/013:15:120
7509992822,3cyclictest9-21ksoftirqd/010:49:530
7509992817,6cyclictest9-21ksoftirqd/012:30:060
7509992816,6cyclictest9-21ksoftirqd/010:05:030
750999281,18cyclictest10725-21grep14:00:260
100872280,5sleep2752299cyclictest13:27:192
7530992722,3cyclictest41-21ksoftirqd/313:55:153
7530992722,3cyclictest41-21ksoftirqd/310:40:083
7530992721,3cyclictest41-21ksoftirqd/309:54:523
7530992716,9cyclictest41-21ksoftirqd/310:10:223
7522992722,3cyclictest33-21ksoftirqd/213:35:102
7522992722,3cyclictest33-21ksoftirqd/210:35:062
7522992721,3cyclictest33-21ksoftirqd/212:35:082
7522992721,3cyclictest33-21ksoftirqd/212:05:112
7522992721,3cyclictest33-21ksoftirqd/209:44:512
7522992715,10cyclictest33-21ksoftirqd/215:09:532
7509992722,3cyclictest9-21ksoftirqd/014:34:580
7509992722,3cyclictest9-21ksoftirqd/013:45:140
7509992722,3cyclictest9-21ksoftirqd/012:40:130
7509992722,3cyclictest9-21ksoftirqd/011:55:080
7509992722,3cyclictest9-21ksoftirqd/011:40:160
7509992722,3cyclictest9-21ksoftirqd/011:24:530
7509992722,3cyclictest9-21ksoftirqd/011:24:530
7509992722,3cyclictest9-21ksoftirqd/009:40:100
7509992722,2cyclictest9-21ksoftirqd/011:45:030
7509992721,3cyclictest9-21ksoftirqd/015:00:180
7509992721,3cyclictest9-21ksoftirqd/010:52:500
7509992721,3cyclictest9-21ksoftirqd/009:54:510
7509992715,6cyclictest0-21swapper/012:35:060
106891270,0ptp4l401ktimersoftd/309:56:393
7530992621,3cyclictest41-21ksoftirqd/311:35:213
7530992620,3cyclictest41-21ksoftirqd/311:30:103
7530992620,3cyclictest41-21ksoftirqd/311:07:453
7522992621,3cyclictest33-21ksoftirqd/214:10:162
7522992621,3cyclictest33-21ksoftirqd/212:00:072
7522992621,3cyclictest33-21ksoftirqd/211:55:142
7522992620,3cyclictest33-21ksoftirqd/214:05:122
7522992620,3cyclictest33-21ksoftirqd/210:45:052
7522992620,3cyclictest33-21ksoftirqd/210:44:052
7522992620,3cyclictest33-21ksoftirqd/209:45:202
7522992619,4cyclictest33-21ksoftirqd/210:13:072
7522992619,4cyclictest27650-21grep11:25:212
7522992616,8cyclictest33-21ksoftirqd/211:14:442
7522992616,8cyclictest33-21ksoftirqd/210:57:152
7515992613,2cyclictest0-21swapper/110:33:061
7509992621,3cyclictest9-21ksoftirqd/013:04:560
7509992621,3cyclictest9-21ksoftirqd/013:04:560
7509992621,3cyclictest9-21ksoftirqd/009:45:070
7509992620,3cyclictest9-21ksoftirqd/014:49:580
7530992519,3cyclictest41-21ksoftirqd/311:20:043
7530992519,3cyclictest41-21ksoftirqd/311:20:043
7530992510,12cyclictest41-21ksoftirqd/311:10:183
7522992520,3cyclictest33-21ksoftirqd/211:54:542
7522992519,3cyclictest33-21ksoftirqd/210:22:132
7522992518,4cyclictest33-21ksoftirqd/211:39:152
7522992517,5cyclictest33-21ksoftirqd/210:25:422
7509992519,3cyclictest9-21ksoftirqd/013:30:160
7509992519,3cyclictest9-21ksoftirqd/013:05:270
7509992519,3cyclictest9-21ksoftirqd/013:05:270
7509992519,3cyclictest9-21ksoftirqd/011:01:310
7509992519,3cyclictest9-21ksoftirqd/010:30:050
7509992518,4cyclictest9-21ksoftirqd/011:54:020
7522992420,3cyclictest33-21ksoftirqd/212:15:172
7522992419,3cyclictest33-21ksoftirqd/213:30:142
7522992419,3cyclictest33-21ksoftirqd/212:25:152
7522992419,3cyclictest33-21ksoftirqd/211:30:122
7522992419,3cyclictest33-21ksoftirqd/209:55:092
7522992418,4cyclictest33-21ksoftirqd/212:30:162
7522992418,3cyclictest33-21ksoftirqd/213:09:552
7522992418,3cyclictest33-21ksoftirqd/213:09:552
7522992411,11cyclictest33-21ksoftirqd/211:41:082
752299240,20cyclictest26368-21sh13:44:572
751599241,3cyclictest121rcu_preempt13:05:451
751599241,3cyclictest121rcu_preempt13:05:451
7509992419,3cyclictest9-21ksoftirqd/014:15:080
7509992419,3cyclictest9-21ksoftirqd/011:15:120
7509992419,3cyclictest9-21ksoftirqd/010:20:160
7509992416,5cyclictest3490-21sh12:15:110
7509992414,5cyclictest9-21ksoftirqd/012:20:070
7522992318,3cyclictest33-21ksoftirqd/214:38:422
7522992318,3cyclictest33-21ksoftirqd/212:40:082
7522992317,3cyclictest33-21ksoftirqd/214:50:162
7522992317,3cyclictest33-21ksoftirqd/214:50:162
7522992317,3cyclictest33-21ksoftirqd/210:32:092
7522992317,3cyclictest33-21ksoftirqd/210:04:232
7515992317,3cyclictest25-21ksoftirqd/112:52:491
7515992317,3cyclictest25-21ksoftirqd/110:51:361
7509992317,3cyclictest9-21ksoftirqd/013:20:140
7522992216,3cyclictest33-21ksoftirqd/211:03:492
7522992215,4cyclictest33-21ksoftirqd/213:01:212
7522992215,4cyclictest33-21ksoftirqd/213:01:212
7515992215,4cyclictest13187-21taskset12:25:101
7515992214,5cyclictest18605-21cron11:09:531
7509992217,3cyclictest9-21ksoftirqd/014:50:140
7509992217,3cyclictest9-21ksoftirqd/014:50:140
7509992217,3cyclictest9-21ksoftirqd/010:55:210
7509992216,3cyclictest9-21ksoftirqd/011:11:390
7509992216,3cyclictest9-21ksoftirqd/010:10:110
7509992215,4cyclictest9-21ksoftirqd/010:42:440
7522992115,3cyclictest33-21ksoftirqd/209:53:312
7522992114,4cyclictest20218-21/usr/sbin/munin10:05:152
7522992110,9cyclictest33-21ksoftirqd/210:50:112
7515992115,3cyclictest47050irq/101-ens3-Tx14:25:481
7515992115,3cyclictest25-21ksoftirqd/110:06:041
7515992115,3cyclictest13017-21ssh11:50:511
7515992114,4cyclictest25-21ksoftirqd/111:36:011
7515992114,4cyclictest17768-21sh14:41:281
752299202,10cyclictest5341-21ssh12:50:072
7522992015,3cyclictest33-21ksoftirqd/213:50:132
7522992015,3cyclictest33-21ksoftirqd/213:10:172
752299200,9cyclictest121rcu_preempt13:45:162
7515992014,3cyclictest16306-21ssh14:06:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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