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2026-08-18 - 23:01
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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 Aug 18, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1960921820,4sleep0153699cyclictest13:31:230
220021620,5sleep2154699cyclictest13:46:592
1068911060,3ptp4l401ktimersoftd/309:23:443
3342600,3sleep0101ktimersoftd/013:43:520
1553995948,5cyclictest41-21ksoftirqd/311:17:573
1553995621,4cyclictest41-21ksoftirqd/312:48:043
106891550,1ptp4l401ktimersoftd/314:13:073
1553995423,7cyclictest41-21ksoftirqd/311:27:583
106891540,1ptp4l401ktimersoftd/311:57:213
1553995131,3cyclictest41-21ksoftirqd/311:08:133
1553995121,7cyclictest41-21ksoftirqd/312:43:033
1553995040,5cyclictest41-21ksoftirqd/312:53:003
1553995023,9cyclictest41-21ksoftirqd/311:38:003
110312500,4sleep011035-21latency14:28:080
1553994921,4cyclictest41-21ksoftirqd/313:38:003
1553994836,3cyclictest41-21ksoftirqd/314:47:503
1553994824,4cyclictest41-21ksoftirqd/312:22:393
1553994820,9cyclictest41-21ksoftirqd/313:12:473
1553994820,5cyclictest41-21ksoftirqd/312:33:023
155399478,3cyclictest41-21ksoftirqd/312:58:073
155399475,8cyclictest41-21ksoftirqd/310:52:573
155399475,10cyclictest5522-21apt-get13:17:483
1553994739,4cyclictest41-21ksoftirqd/310:07:473
1553994723,4cyclictest41-21ksoftirqd/309:53:113
1553994721,4cyclictest41-21ksoftirqd/313:23:063
1546994737,7cyclictest0-21swapper/209:27:422
152962470,1sleep00-21swapper/013:59:180
155399465,9cyclictest41-21ksoftirqd/313:53:113
155399465,9cyclictest41-21ksoftirqd/313:53:113
155399462,8cyclictest41-21ksoftirqd/311:48:143
1553994623,4cyclictest41-21ksoftirqd/309:43:033
1553994622,4cyclictest41-21ksoftirqd/314:48:173
1553994622,4cyclictest41-21ksoftirqd/314:08:113
1553994620,9cyclictest41-21ksoftirqd/310:38:063
155399454,8cyclictest41-21ksoftirqd/310:43:083
1553994522,3cyclictest41-21ksoftirqd/312:25:133
1553994516,5cyclictest41-21ksoftirqd/309:32:443
155399444,9cyclictest41-21ksoftirqd/314:33:113
155399444,8cyclictest41-21ksoftirqd/314:28:053
155399444,7cyclictest41-21ksoftirqd/309:28:053
1553994434,3cyclictest41-21ksoftirqd/309:38:063
1553994430,12cyclictest41-21ksoftirqd/314:18:103
1553994419,5cyclictest41-21ksoftirqd/311:37:063
1553994419,4cyclictest41-21ksoftirqd/312:13:313
1553994418,8cyclictest41-21ksoftirqd/314:04:333
1553994418,10cyclictest41-21ksoftirqd/311:58:043
1553994416,5cyclictest41-21ksoftirqd/311:03:013
1553994414,8cyclictest41-21ksoftirqd/312:29:133
155399437,3cyclictest41-21ksoftirqd/309:48:023
1553994333,3cyclictest41-21ksoftirqd/313:37:473
1553994328,3cyclictest41-21ksoftirqd/312:08:023
1553994322,7cyclictest41-21ksoftirqd/313:30:523
1553994320,4cyclictest41-21ksoftirqd/310:32:563
1553994319,9cyclictest41-21ksoftirqd/314:54:223
1553994317,8cyclictest41-21ksoftirqd/312:04:133
1553994317,8cyclictest41-21ksoftirqd/312:04:133
1553994315,7cyclictest41-21ksoftirqd/314:27:343
1553994315,4cyclictest41-21ksoftirqd/310:47:593
1553994315,10cyclictest41-21ksoftirqd/311:43:013
155399427,8cyclictest41-21ksoftirqd/313:04:563
155399427,3cyclictest41-21ksoftirqd/310:05:403
155399427,3cyclictest41-21ksoftirqd/310:05:403
155399425,9cyclictest41-21ksoftirqd/313:58:063
155399425,8cyclictest41-21ksoftirqd/310:23:053
155399424,9cyclictest41-21ksoftirqd/311:23:113
155399423,5cyclictest41-21ksoftirqd/313:18:083
155399421,9cyclictest41-21ksoftirqd/314:38:193
1553994219,4cyclictest41-21ksoftirqd/313:51:153
1553994215,9cyclictest41-21ksoftirqd/313:47:073
155399420,9cyclictest26712-21latency_hist10:17:433
155399420,9cyclictest26712-21latency_hist10:17:433
155399418,6cyclictest41-21ksoftirqd/309:57:573
155399414,3cyclictest41-21ksoftirqd/310:22:443
1553994115,4cyclictest41-21ksoftirqd/310:57:583
1553994114,10cyclictest41-21ksoftirqd/312:39:413
155399391,9cyclictest41-21ksoftirqd/311:13:033
155399385,7cyclictest41-21ksoftirqd/310:28:003
13572342,20sleep00-21swapper/009:26:460
92362320,4sleep20-21swapper/211:41:412
154699316,14cyclictest25762-21ssh13:38:002
154699299,9cyclictest33-21ksoftirqd/212:48:052
1546992923,4cyclictest33-21ksoftirqd/212:57:472
1536992916,4cyclictest9-21ksoftirqd/011:47:580
12032296,10sleep10-21swapper/109:24:451
1546992822,3cyclictest33-21ksoftirqd/213:49:162
1546992821,4cyclictest33-21ksoftirqd/210:59:452
153699281,2cyclictest121rcu_preempt12:48:050
230402270,2sleep20-21swapper/214:40:392
1546992721,3cyclictest33-21ksoftirqd/211:24:282
1546992720,4cyclictest33-21ksoftirqd/212:25:152
154699271,3cyclictest121rcu_preempt13:59:012
1541992722,3cyclictest25-21ksoftirqd/113:57:481
1541992722,3cyclictest25-21ksoftirqd/113:57:481
1541992722,3cyclictest25-21ksoftirqd/113:17:481
1536992721,3cyclictest9-21ksoftirqd/009:36:190
1546992620,3cyclictest33-21ksoftirqd/209:28:052
1541992621,3cyclictest25-21ksoftirqd/113:17:521
1541992619,4cyclictest25-21ksoftirqd/114:01:111
1536992621,3cyclictest9-21ksoftirqd/013:34:410
1536992620,3cyclictest9-21ksoftirqd/009:57:040
3014922518,3sleep125-21ksoftirqd/114:14:371
297982250,1sleep20-21swapper/213:08:092
1546992518,4cyclictest33-21ksoftirqd/210:53:152
1546992518,4cyclictest33-21ksoftirqd/210:52:352
1546992518,4cyclictest33-21ksoftirqd/210:29:262
1546992518,4cyclictest33-21ksoftirqd/210:03:172
1546992518,4cyclictest33-21ksoftirqd/210:03:172
1546992510,12cyclictest7140-21acpi12:12:582
1541992520,3cyclictest25-21ksoftirqd/114:23:111
1541992520,3cyclictest25-21ksoftirqd/111:33:041
1541992519,4cyclictest25-21ksoftirqd/109:54:491
1541992510,5cyclictest25-21ksoftirqd/114:39:011
1536992519,3cyclictest9-21ksoftirqd/014:38:480
1536992519,3cyclictest9-21ksoftirqd/011:44:280
1536992518,4cyclictest9-21ksoftirqd/011:04:570
1536992518,4cyclictest9-21ksoftirqd/010:51:280
1536992518,4cyclictest9-21ksoftirqd/010:39:480
1536992518,3cyclictest9-21ksoftirqd/011:08:020
1546992419,3cyclictest33-21ksoftirqd/211:15:092
1546992418,3cyclictest33-21ksoftirqd/210:14:032
1546992418,3cyclictest33-21ksoftirqd/210:14:032
1546992417,4cyclictest33-21ksoftirqd/212:04:532
1546992417,4cyclictest33-21ksoftirqd/212:04:532
1546992417,4cyclictest33-21ksoftirqd/211:30:172
1546992417,4cyclictest33-21ksoftirqd/211:05:152
1541992419,3cyclictest25-21ksoftirqd/114:48:141
1541992418,3cyclictest25-21ksoftirqd/110:40:331
1541992417,4cyclictest25-21ksoftirqd/112:21:181
1541992417,4cyclictest25-21ksoftirqd/109:51:521
1541992417,4cyclictest11848-21unixbench_singl14:28:191
1541992417,4cyclictest11750-21sed13:23:051
154199241,3cyclictest21215-21apt-get10:05:431
154199241,3cyclictest21215-21apt-get10:05:431
1536992419,3cyclictest9-21ksoftirqd/013:56:270
1536992419,3cyclictest9-21ksoftirqd/013:56:270
1536992419,3cyclictest9-21ksoftirqd/012:27:200
1536992418,3cyclictest9-21ksoftirqd/010:29:280
1536992418,3cyclictest9-21ksoftirqd/009:45:230
303362230,1sleep10-21swapper/111:29:071
154699234,3cyclictest121rcu_preempt11:54:572
1546992317,3cyclictest33-21ksoftirqd/214:37:302
1546992317,3cyclictest33-21ksoftirqd/211:52:092
1546992317,3cyclictest33-21ksoftirqd/209:52:462
1546992317,3cyclictest33-21ksoftirqd/209:45:022
1546992316,4cyclictest33-21ksoftirqd/210:43:442
1546992316,4cyclictest33-21ksoftirqd/210:21:192
1546992316,4cyclictest33-21ksoftirqd/209:37:312
154699231,4cyclictest23160-21hddtemp_smartct14:08:052
154199232,18cyclictest1977-21grep10:32:591
1541992317,3cyclictest25-21ksoftirqd/111:23:201
1541992317,3cyclictest25-21ksoftirqd/110:58:391
1541992317,3cyclictest25-21ksoftirqd/110:47:271
1541992316,4cyclictest27507-21grep13:38:181
1541992316,4cyclictest25-21ksoftirqd/111:18:191
1541992316,4cyclictest25-21ksoftirqd/109:43:001
1536992318,3cyclictest9-21ksoftirqd/013:38:380
1536992317,4cyclictest9-21ksoftirqd/010:03:230
1536992317,4cyclictest9-21ksoftirqd/010:03:230
1536992317,3cyclictest9-21ksoftirqd/011:19:060
1536992317,3cyclictest9-21ksoftirqd/009:49:420
1536992316,4cyclictest23108-21grep14:08:050
1536992316,4cyclictest19502-21ps12:58:080
1536992316,4cyclictest12621-21date13:23:150
154699227,11cyclictest5977-21sh12:11:212
1546992217,3cyclictest33-21ksoftirqd/214:04:192
1546992216,3cyclictest33-21ksoftirqd/212:34:572
1546992215,4cyclictest33-21ksoftirqd/213:16:392
1546992215,4cyclictest33-21ksoftirqd/209:58:272
154699221,3cyclictest5522-21apt-get13:17:522
154699221,18cyclictest7897-21ssh12:46:352
154199229,10cyclictest978-21grep12:38:171
1541992216,4cyclictest25-21ksoftirqd/113:12:051
1541992216,3cyclictest25-21ksoftirqd/110:08:191
1541992216,3cyclictest25-21ksoftirqd/109:27:451
1541992216,3cyclictest16252-21sed11:03:011
1541992215,4cyclictest25-21ksoftirqd/110:29:011
154199221,4cyclictest27129-21df_inode10:17:581
153699223,16cyclictest3667-21sendmail10:37:430
153699222,17cyclictest22223-21cut10:07:560
1536992217,3cyclictest9-21ksoftirqd/013:06:140
1536992217,3cyclictest9-21ksoftirqd/012:08:530
1536992217,3cyclictest9-21ksoftirqd/010:59:270
1536992216,3cyclictest9-21ksoftirqd/010:45:420
1536992216,3cyclictest28260-21sed14:13:070
1536992215,4cyclictest9-21ksoftirqd/011:16:210
1536992215,4cyclictest9-21ksoftirqd/010:14:390
1536992215,4cyclictest9-21ksoftirqd/010:14:390
1536992215,4cyclictest9-21ksoftirqd/009:59:340
1536992215,4cyclictest9-21ksoftirqd/009:27:540
153699221,18cyclictest27565-21diskmemload13:12:450
153699220,3cyclictest121rcu_preempt12:13:090
153699220,2cyclictest0-21swapper/010:22:440
154699217,11cyclictest0-21swapper/214:48:152
1546992114,4cyclictest8461-21sed13:53:052
1546992114,4cyclictest8461-21sed13:53:052
1546992114,4cyclictest33-21ksoftirqd/211:22:382
154699211,3cyclictest6375-21snmp_o5powerctl14:23:132
154699211,17cyclictest17819-21ssh13:28:202
154699211,16cyclictest447-21apt-get11:32:592
154699210,3cyclictest11760-21snmp_o5powerctl11:43:142
154699210,18cyclictest1055-21runrttasks14:16:412
1541992115,4cyclictest25-21ksoftirqd/114:09:591
1541992115,4cyclictest25-21ksoftirqd/110:56:551
1541992115,4cyclictest25-21ksoftirqd/110:24:241
1541992115,3cyclictest6001-21processes09:33:031
1541992115,3cyclictest1990-21/usr/sbin/munin14:53:001
1541992115,3cyclictest17011-21grep09:57:581
1541992115,3cyclictest16342-21fschecks_time13:28:031
154199211,4cyclictest27565-21diskmemload14:44:081
154199211,4cyclictest18431-21diskstats11:07:591
1541992114,4cyclictest23984-21awk13:03:041
1536992116,3cyclictest9-21ksoftirqd/012:38:140
1536992116,3cyclictest9-21ksoftirqd/011:33:030
1536992115,4cyclictest1055-21runrttasks12:55:510
1536992114,4cyclictest3818-21cut13:48:070
1536992114,4cyclictest28418-21grep11:28:010
1536992114,4cyclictest1588-21sh13:13:060
1536992113,5cyclictest27565-21diskmemload11:58:020
1536992113,4cyclictest29146-21date10:22:440
154699204,13cyclictest0-21swapper/213:23:162
1546992015,3cyclictest33-21ksoftirqd/212:17:582
1546992014,3cyclictest22202-21sendmail_mailst13:33:112
1546992014,3cyclictest1991-21sh14:53:002
154699201,3cyclictest23186-21strings10:08:032
1546992013,4cyclictest3765-21cut10:37:442
1546992013,4cyclictest27565-21diskmemload11:58:122
1546992013,4cyclictest25647-21sed14:43:082
1546992013,4cyclictest14509-21cron14:32:492
1546992012,4cyclictest31666-21cpu12:38:002
1546992012,4cyclictest21825-21cat12:27:582
154699201,16cyclictest19082-21diskstats12:58:032
1541992015,3cyclictest19177-21fschecks_time12:58:051
154199201,4cyclictest31232-21munin-run12:37:461
1541992014,3cyclictest25-21ksoftirqd/113:50:351
1541992013,4cyclictest24920-21sh11:57:561
1541992013,4cyclictest20627-21if_enp1s011:53:031
1541992013,4cyclictest17154-21sh11:48:311
1541992013,4cyclictest1374-21sh13:45:351
1541992012,5cyclictest18668-21timerwakeupswit12:23:171
154199201,17cyclictest21341-21tail13:33:051
154199200,5cyclictest18360-21turbostat12:57:471
1536992014,3cyclictest9369-21ssh13:20:370
1536992014,3cyclictest7869-21ps09:37:590
1536992014,3cyclictest3847-21tail14:53:200
1536992014,3cyclictest31286-21sed14:48:180
1536992014,3cyclictest25428-21/usr/sbin/munin11:23:050
1536992013,4cyclictest9-21ksoftirqd/014:19:370
1536992013,4cyclictest27565-21diskmemload12:04:130
1536992013,4cyclictest27565-21diskmemload12:04:130
1536992013,4cyclictest14980-21sh14:33:030
1536992012,3cyclictest0-21swapper/012:28:000
1536992010,8cyclictest101ktimersoftd/012:43:190
1546991913,3cyclictest29169-21/usr/sbin/munin10:23:122
1546991913,3cyclictest26602-21sh13:05:092
1546991913,3cyclictest12161-21expr09:47:562
1546991912,4cyclictest9139-21seq09:40:592
1546991912,4cyclictest1492-21snmp_o5powerctl14:18:162
1546991911,5cyclictest233-21systemd-journal10:42:442
1541991914,3cyclictest25-21ksoftirqd/112:51:581
1541991914,3cyclictest25-21ksoftirqd/112:28:331
1541991913,3cyclictest4706-21if_enp1s0.112:43:051
1541991913,3cyclictest313-21fschecks_count14:18:051
1541991913,3cyclictest25-21ksoftirqd/111:13:171
1541991913,3cyclictest18039-21sh14:03:031
1541991913,3cyclictest14838-21cat14:33:001
1541991912,4cyclictest27565-21diskmemload12:11:081
154199191,16cyclictest0-21swapper/111:45:541
154199191,16cyclictest0-21swapper/110:12:521
154199191,16cyclictest0-21swapper/110:12:521
154199190,15cyclictest0-21swapper/110:47:521
1536991914,3cyclictest6256-21ptp4l14:23:120
1536991913,3cyclictest6904-21switchtime11:38:130
1536991913,3cyclictest27565-21diskmemload11:53:330
1536991913,3cyclictest12199-21awk12:18:000
1536991912,4cyclictest28365-21cat12:33:130
1536991912,4cyclictest27565-21diskmemload14:47:310
1536991912,4cyclictest12271-21ptp4l10:53:040
101142190,4sleep1154199cyclictest12:15:041
1546991812,3cyclictest20319-21cut11:12:452
1541991813,3cyclictest5964-21if_enp1s0.111:38:021
1541991812,3cyclictest31358-21sed12:03:131
1541991812,3cyclictest31358-21sed12:03:131
154199181,15cyclictest0-21swapper/109:41:391
1536991811,4cyclictest18524-21irqrtprio14:03:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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