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2026-04-06 - 08:04
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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 Mon Apr 06, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2191921750,5sleep11687999cyclictest01:08:421
2191921750,5sleep11687999cyclictest01:08:421
2144821700,5sleep21688899cyclictest00:34:022
3126321670,4sleep21688899cyclictest23:38:542
1516321540,4sleep31689399cyclictest00:28:453
1068911460,5ptp4l401ktimersoftd/320:08:383
218032760,63sleep346850irq/99-ens3-TxR01:08:403
218032760,63sleep346850irq/99-ens3-TxR01:08:403
193802630,4sleep31689399cyclictest01:05:033
16893996149,7cyclictest41-21ksoftirqd/320:38:363
95642590,4sleep0101ktimersoftd/000:55:080
106891590,1ptp4l401ktimersoftd/300:00:383
151492584,41sleep00-21swapper/020:08:410
134072580,3sleep233-21ksoftirqd/201:33:082
106891580,1ptp4l401ktimersoftd/322:36:373
106891560,1ptp4l401ktimersoftd/323:23:353
106891550,1ptp4l401ktimersoftd/322:24:133
106891550,1ptp4l401ktimersoftd/301:41:033
215822540,2sleep30-21swapper/321:28:393
16893995444,5cyclictest41-21ksoftirqd/321:08:363
106891540,1ptp4l401ktimersoftd/323:51:333
26572510,2sleep30-21swapper/320:48:403
239382490,3sleep09-21ksoftirqd/021:33:380
16893994935,3cyclictest41-21ksoftirqd/322:58:413
16893994828,9cyclictest41-21ksoftirqd/300:53:593
1689399479,3cyclictest41-21ksoftirqd/301:14:033
16893994739,4cyclictest41-21ksoftirqd/323:33:323
16893994739,4cyclictest41-21ksoftirqd/323:33:323
16893994735,3cyclictest41-21ksoftirqd/323:33:273
16893994735,3cyclictest41-21ksoftirqd/323:33:273
16893994722,4cyclictest41-21ksoftirqd/323:46:163
16893994638,4cyclictest41-21ksoftirqd/321:43:373
16893994623,4cyclictest41-21ksoftirqd/322:28:533
16893994623,4cyclictest41-21ksoftirqd/301:33:463
16893994622,4cyclictest41-21ksoftirqd/322:19:053
16893994622,4cyclictest41-21ksoftirqd/300:04:533
16893994621,4cyclictest41-21ksoftirqd/322:54:023
106891460,1ptp4l401ktimersoftd/322:47:213
16893994537,4cyclictest41-21ksoftirqd/320:28:363
16893994522,7cyclictest41-21ksoftirqd/323:08:463
16893994521,4cyclictest41-21ksoftirqd/323:39:503
16893994513,9cyclictest41-21ksoftirqd/300:08:513
16893994420,4cyclictest41-21ksoftirqd/301:21:153
16893994419,4cyclictest41-21ksoftirqd/323:54:013
16893994419,4cyclictest41-21ksoftirqd/322:14:313
16893994419,4cyclictest41-21ksoftirqd/300:34:203
16893994419,4cyclictest41-21ksoftirqd/300:17:003
16893994418,4cyclictest41-21ksoftirqd/300:43:003
106891440,1ptp4l401ktimersoftd/323:16:593
16893994321,4cyclictest41-21ksoftirqd/300:51:003
16893994320,4cyclictest41-21ksoftirqd/320:23:343
16893994320,4cyclictest41-21ksoftirqd/320:18:443
16893994320,4cyclictest41-21ksoftirqd/301:01:373
16893994319,4cyclictest41-21ksoftirqd/323:04:163
16893994319,4cyclictest41-21ksoftirqd/322:49:203
16893994319,4cyclictest41-21ksoftirqd/300:24:583
1689399423,4cyclictest121rcu_preempt22:43:273
16893994231,4cyclictest41-21ksoftirqd/323:21:053
16893994226,13cyclictest41-21ksoftirqd/321:53:443
16893994223,7cyclictest41-21ksoftirqd/321:18:553
106891420,1ptp4l401ktimersoftd/321:59:163
1689399415,7cyclictest41-21ksoftirqd/300:43:453
16893994118,4cyclictest41-21ksoftirqd/320:13:503
16888994116,21cyclictest24205-21gltestperf21:33:402
1689399405,7cyclictest41-21ksoftirqd/321:13:363
16893994021,7cyclictest41-21ksoftirqd/300:18:433
16893994016,4cyclictest41-21ksoftirqd/301:26:263
16893994012,8cyclictest41-21ksoftirqd/321:38:563
16893994011,7cyclictest41-21ksoftirqd/321:03:523
1688899402,35cyclictest19327-21grep22:53:552
25682390,5sleep02573-21gltestperf00:48:460
1689399397,4cyclictest41-21ksoftirqd/321:50:103
1689399397,4cyclictest41-21ksoftirqd/321:50:103
1689399395,5cyclictest41-21ksoftirqd/320:44:063
16893993931,4cyclictest41-21ksoftirqd/322:03:303
16893993916,4cyclictest41-21ksoftirqd/321:33:433
1689399385,3cyclictest41-21ksoftirqd/301:28:463
16888993812,22cyclictest12282-21acpi23:53:382
16893993713,4cyclictest41-21ksoftirqd/320:58:253
1688899373,8cyclictest14806-21ssh23:23:392
1688899371,5cyclictest0-21swapper/221:03:352
1689399364,7cyclictest41-21ksoftirqd/320:33:373
16893993619,9cyclictest41-21ksoftirqd/321:02:453
1689399361,8cyclictest10164-21chrt22:12:553
1688899362,6cyclictest0-21swapper/223:33:392
1688899362,6cyclictest0-21swapper/223:33:392
1688899362,6cyclictest0-21swapper/200:03:392
16888993613,20cyclictest233-21systemd-journal21:13:252
44612350,19sleep09-21ksoftirqd/001:23:430
16893993529,3cyclictest41-21ksoftirqd/321:23:423
1688899353,4cyclictest0-21swapper/223:03:422
1688899353,26cyclictest9723-21ssh00:23:392
1688899353,26cyclictest0-21swapper/220:23:352
1688899352,5cyclictest0-21swapper/220:53:352
1688899351,31cyclictest31003-21cpuspeed_turbos21:48:372
1688899351,31cyclictest31003-21cpuspeed_turbos21:48:372
1646923515,10sleep125-21ksoftirqd/120:09:311
1688899342,7cyclictest10629-21apt-get22:13:382
1688899342,5cyclictest0-21swapper/220:18:352
16888993412,19cyclictest32276-21sh23:08:302
1688899341,13cyclictest4195-21/usr/sbin/munin01:23:402
16888993410,3cyclictest10239-21grep22:13:262
1688899339,4cyclictest233-21systemd-journal00:09:222
1688899338,4cyclictest28075-21awk01:13:542
1688899338,3cyclictest4343-21seq22:38:542
1688899333,5cyclictest14257-21apt-get21:13:362
1688899332,10cyclictest26296-21grep00:38:582
1688899331,5cyclictest0-21swapper/222:43:382
16888993312,17cyclictest18946-21sh00:33:082
16888993311,4cyclictest23554-21grep21:33:252
16888993311,3cyclictest18153-21cat20:13:422
1688899328,4cyclictest3642-21sed21:58:412
1688899327,3cyclictest0-21swapper/200:48:462
1688899326,3cyclictest31953-21sendmail20:43:242
1688899325,6cyclictest0-21swapper/223:18:462
1688899323,7cyclictest18923-21apt-get01:38:442
1688899323,6cyclictest30369-21apt-get22:33:382
1688899322,7cyclictest28510-21apt-get21:43:362
1688899322,6cyclictest17284-21apt-get23:58:392
16888993212,3cyclictest15646-21sh22:50:462
16888993211,3cyclictest7313-21sh00:53:432
16888993210,4cyclictest23586-21sed22:58:442
16875993217,10cyclictest9-21ksoftirqd/000:58:410
112732320,3sleep2321ktimersoftd/223:52:192
1688899319,4cyclictest1592-21sh01:19:352
1688899318,4cyclictest20053-21sh01:06:112
1688899318,4cyclictest19499-21smartctl21:23:402
1688899317,5cyclictest10212-21diskmemload22:31:372
1688899317,3cyclictest4965-21cstates00:18:412
1688899316,4cyclictest21217-21irqrtprio22:23:452
1688899315,4cyclictest0-21swapper/200:43:422
16888993113,15cyclictest33-21ksoftirqd/220:45:502
16888993111,3cyclictest6186-21sh23:47:002
16888993111,3cyclictest20086-21sh22:23:262
1688899311,10cyclictest0-21swapper/220:28:422
16888993110,4cyclictest1055-21runrttasks21:00:252
1687599315,14cyclictest2547-21ssh23:43:390
16875993125,4cyclictest9-21ksoftirqd/022:38:550
16875993119,6cyclictest0-21swapper/022:18:400
303072300,1sleep10-21swapper/123:05:321
1688899309,3cyclictest18689-21sh21:23:242
1688899308,5cyclictest10212-21diskmemload23:30:572
1688899308,5cyclictest10212-21diskmemload23:30:572
1688899308,3cyclictest6362-21if_ens322:03:442
1688899307,4cyclictest12125-21tr00:58:432
1688899306,4cyclictest13972-21acpi01:33:422
1688899301,7cyclictest5361-21/usr/sbin/munin23:13:432
1688899301,7cyclictest2153-21snmp_o5powerctl21:53:502
1688899296,4cyclictest27960-21gltestperf20:33:392
153342295,10sleep20-21swapper/220:08:432
1688899287,3cyclictest10212-21diskmemload00:16:182
1687599284,14cyclictest10212-21diskmemload22:48:390
16875992822,4cyclictest9-21ksoftirqd/000:18:390
16875992821,4cyclictest9-21ksoftirqd/022:30:340
16875992723,2cyclictest9-21ksoftirqd/000:38:470
16875992713,11cyclictest23023-21gltestperf22:58:410
16888992619,4cyclictest33-21ksoftirqd/221:40:382
1688899261,7cyclictest23425-21snmp_o5powerctl01:08:552
1688899261,7cyclictest23425-21snmp_o5powerctl01:08:552
16879992619,4cyclictest25-21ksoftirqd/121:56:351
16879992619,4cyclictest25-21ksoftirqd/120:59:061
16879992611,8cyclictest0-21swapper/101:13:451
1687999260,2cyclictest121rcu_preempt00:57:331
16875992620,4cyclictest9-21ksoftirqd/022:01:440
16875992620,3cyclictest9-21ksoftirqd/021:31:160
16875992619,4cyclictest9-21ksoftirqd/021:46:220
1687999259,13cyclictest10848-21sed01:28:591
16879992520,3cyclictest25-21ksoftirqd/100:18:551
16879992519,3cyclictest25-21ksoftirqd/121:32:501
16879992518,4cyclictest25-21ksoftirqd/121:40:251
16875992518,4cyclictest9-21ksoftirqd/022:05:090
16875992518,4cyclictest9-21ksoftirqd/020:24:570
1752922417,3sleep09-21ksoftirqd/000:30:440
16879992419,3cyclictest25-21ksoftirqd/120:18:241
16879992419,3cyclictest25-21ksoftirqd/100:48:451
16879992417,5cyclictest25-21ksoftirqd/101:27:581
16879992417,4cyclictest26588-21sed23:33:561
16879992417,4cyclictest26588-21sed23:33:561
16879992417,4cyclictest25-21ksoftirqd/122:05:061
16879992417,4cyclictest25-21ksoftirqd/121:17:491
16879992415,6cyclictest15691-21grep22:18:411
1687999240,21cyclictest4573-21latency_hist00:18:291
16875992419,3cyclictest9-21ksoftirqd/023:33:280
16875992419,3cyclictest9-21ksoftirqd/023:33:280
16875992418,4cyclictest9-21ksoftirqd/020:51:020
16875992418,3cyclictest9-21ksoftirqd/021:01:420
16875992417,4cyclictest9-21ksoftirqd/020:39:220
16875992417,4cyclictest14158-21sed23:53:560
1687599241,5cyclictest10824-21cat01:28:590
41172230,2sleep00-21swapper/000:18:020
194812231,2sleep019563-21apt-get00:33:410
16879992316,4cyclictest25-21ksoftirqd/122:26:261
16879992316,4cyclictest25-21ksoftirqd/120:57:211
1687999231,4cyclictest27018-21apt-config00:08:291
1687999231,19cyclictest534-21ssh23:41:131
1687999231,19cyclictest0-21swapper/121:08:411
16875992318,3cyclictest9-21ksoftirqd/000:08:440
16875992317,3cyclictest9-21ksoftirqd/021:40:550
16875992317,3cyclictest9-21ksoftirqd/020:28:340
16875992316,4cyclictest9-21ksoftirqd/021:10:130
16875992316,4cyclictest9-21ksoftirqd/001:42:380
16875992316,4cyclictest9-21ksoftirqd/001:11:180
16875992316,4cyclictest9-21ksoftirqd/001:11:180
16875992316,4cyclictest22184-21apt22:58:270
1687599231,19cyclictest11032-21grep22:13:420
16879992216,4cyclictest25-21ksoftirqd/121:25:441
16879992216,3cyclictest27818-21grep00:08:441
16879992216,3cyclictest25-21ksoftirqd/120:33:191
16879992216,3cyclictest25-21ksoftirqd/120:15:231
16879992216,3cyclictest25-21ksoftirqd/101:18:381
16879992215,4cyclictest25-21ksoftirqd/122:02:131
16879992215,4cyclictest25-21ksoftirqd/121:20:381
16879992215,4cyclictest11916-21ssh00:24:331
16879992214,5cyclictest1055-21runrttasks00:02:471
1687999221,2cyclictest0-21swapper/101:38:431
1687999221,2cyclictest0-21swapper/101:33:471
1687999221,18cyclictest12625-21df23:53:411
1687999221,18cyclictest0-21swapper/122:53:271
1687999221,18cyclictest0-21swapper/100:35:421
1687999220,3cyclictest10357-21ssh22:45:071
16875992217,3cyclictest9-21ksoftirqd/023:18:430
16875992217,3cyclictest9-21ksoftirqd/001:36:590
16875992215,4cyclictest9-21ksoftirqd/022:13:260
16875992215,4cyclictest9-21ksoftirqd/021:15:510
16875992215,4cyclictest9-21ksoftirqd/020:45:360
16875992215,4cyclictest6718-21unixbench_multi23:13:590
16888992114,4cyclictest33-21ksoftirqd/220:51:242
16879992116,3cyclictest25-21ksoftirqd/120:41:591
16879992115,3cyclictest28306-21ssh00:42:181
16879992115,3cyclictest25-21ksoftirqd/100:47:181
1687999211,4cyclictest30155-21unixbench_singl21:43:531
16879992114,4cyclictest10570-21acpi22:13:371
1687999211,3cyclictest16693-21ssh23:24:001
1687999211,3cyclictest0-21swapper/123:17:441
1687999211,17cyclictest9811-21ssh23:49:491
1687999211,17cyclictest0-21swapper/120:43:281
1687999210,4cyclictest1829-21rm22:37:231
1687999210,3cyclictest24336-21if_ens321:33:421
1687999210,18cyclictest0-21swapper/123:28:401
1687999210,18cyclictest0-21swapper/123:28:401
16875992116,3cyclictest9-21ksoftirqd/023:27:140
16875992116,3cyclictest9-21ksoftirqd/001:23:300
16875992115,3cyclictest9-21ksoftirqd/020:34:520
16875992114,4cyclictest31929-21grep21:48:440
16875992114,4cyclictest31929-21grep21:48:440
16875992114,4cyclictest19532-21sh01:05:170
16875992114,4cyclictest1055-21runrttasks23:07:080
1687599211,17cyclictest20959-21grep22:23:430
1687999209,8cyclictest22961-21uniq22:58:401
1687999204,10cyclictest2865-21apt-get22:38:391
16879992015,3cyclictest25-21ksoftirqd/121:04:271
16879992015,3cyclictest15173-21ssh01:01:181
16879992014,4cyclictest22692-21/usr/sbin/munin20:23:511
16879992014,3cyclictest26023-21if_enp1s022:28:441
16879992014,3cyclictest25-21ksoftirqd/122:09:401
16879992013,4cyclictest1854-21vmstat23:08:571
1687999201,17cyclictest0-21swapper/120:48:371
1687999200,4cyclictest32160-21mailstats21:48:461
1687999200,4cyclictest32160-21mailstats21:48:461
1687999200,18cyclictest19775-21ssh22:54:231
1687599202,14cyclictest17086-21head21:18:420
16875992015,3cyclictest9-21ksoftirqd/020:53:590
16875992015,3cyclictest9-21ksoftirqd/020:18:230
16875992014,3cyclictest9-21ksoftirqd/023:33:320
16875992014,3cyclictest9-21ksoftirqd/023:33:320
16875992014,3cyclictest20386-21switchtime21:23:510
16875992013,4cyclictest1765-21sort21:53:450
16875992013,4cyclictest1055-21runrttasks22:35:330
16875992012,6cyclictest10212-21diskmemload22:45:390
16875992012,5cyclictest30574-21needreboot00:43:490
1687599200,3cyclictest197902sleep000:00:040
95182190,2sleep00-21swapper/021:03:350
16879991912,4cyclictest27658-21cut20:33:361
1687999191,16cyclictest31429-21kworker/u8:123:44:091
1687999191,15cyclictest0-21swapper/100:29:121
1687999190,17cyclictest0-21swapper/123:22:281
1687999190,16cyclictest20171-21ssh01:06:231
1687599194,6cyclictest10212-21diskmemload00:25:210
16875991914,3cyclictest9-21ksoftirqd/020:18:240
16875991913,3cyclictest9-21ksoftirqd/023:38:570
16875991913,3cyclictest9-21ksoftirqd/000:08:290
16875991913,3cyclictest32452-21cpu23:08:400
16875991912,4cyclictest10212-21diskmemload23:53:240
16875991912,4cyclictest10212-21diskmemload01:17:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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