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2026-08-07 - 01:27
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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 Thu Aug 06, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3245221590,3sleep11231699cyclictest11:06:331
698121500,4sleep31233099cyclictest14:39:263
698121500,4sleep31233099cyclictest14:39:263
367421500,3sleep21232299cyclictest11:51:232
106891990,4ptp4l401ktimersoftd/309:18:543
106891710,1ptp4l401ktimersoftd/312:38:133
106891710,1ptp4l401ktimersoftd/311:23:223
307352690,2sleep00-21swapper/013:24:390
106891690,1ptp4l401ktimersoftd/313:16:593
106891680,1ptp4l401ktimersoftd/312:35:073
106891600,1ptp4l401ktimersoftd/312:00:513
17562580,2sleep00-21swapper/014:33:530
106891580,1ptp4l401ktimersoftd/312:07:503
106891570,1ptp4l401ktimersoftd/313:49:233
101442560,1sleep00-21swapper/012:31:160
106891550,1ptp4l401ktimersoftd/313:57:033
121482544,39sleep00-21swapper/009:20:220
106891540,1ptp4l401ktimersoftd/314:23:293
213572520,2sleep20-21swapper/209:36:252
106891490,1ptp4l401ktimersoftd/313:44:053
33522460,2sleep30-21swapper/313:29:523
106891440,1ptp4l401ktimersoftd/311:44:303
1186424019,9sleep20-21swapper/209:16:412
106891400,1ptp4l401ktimersoftd/312:04:463
106891400,1ptp4l401ktimersoftd/311:33:043
106891390,1ptp4l401ktimersoftd/314:08:373
106891390,1ptp4l401ktimersoftd/313:39:233
106891380,1ptp4l401ktimersoftd/314:42:093
106891380,1ptp4l401ktimersoftd/314:42:093
106891380,1ptp4l401ktimersoftd/314:13:023
106891380,1ptp4l401ktimersoftd/312:28:573
106891380,1ptp4l401ktimersoftd/312:14:063
106891380,1ptp4l401ktimersoftd/311:55:453
106891380,1ptp4l401ktimersoftd/309:41:193
106891370,1ptp4l401ktimersoftd/314:31:183
106891370,1ptp4l401ktimersoftd/314:18:533
106891370,1ptp4l401ktimersoftd/313:24:473
106891370,1ptp4l401ktimersoftd/313:16:073
106891370,1ptp4l401ktimersoftd/313:06:043
106891370,1ptp4l401ktimersoftd/312:50:023
106891370,1ptp4l401ktimersoftd/312:17:473
106891370,1ptp4l401ktimersoftd/311:39:053
106891370,1ptp4l401ktimersoftd/311:30:513
106891370,0ptp4l401ktimersoftd/314:03:163
106891370,0ptp4l401ktimersoftd/312:45:163
286142360,3sleep10-21swapper/109:51:261
12330993629,4cyclictest41-21ksoftirqd/314:46:243
106891360,1ptp4l401ktimersoftd/314:27:213
106891360,1ptp4l401ktimersoftd/313:52:313
106891360,1ptp4l401ktimersoftd/313:33:133
106891360,1ptp4l401ktimersoftd/313:06:543
106891360,1ptp4l401ktimersoftd/312:54:083
106891360,1ptp4l401ktimersoftd/312:24:423
106891350,2ptp4l14805-21kworker/3:212:57:123
106891350,2ptp4l14805-21kworker/3:212:57:123
106891350,0ptp4l401ktimersoftd/311:46:593
106891340,2ptp4l24513-21kworker/3:209:50:363
12322993328,3cyclictest33-21ksoftirqd/214:31:112
12322993327,4cyclictest33-21ksoftirqd/211:36:192
106891320,11ptp4l401ktimersoftd/311:01:023
1015623210,12sleep125-21ksoftirqd/109:16:161
194262310,2sleep00-21swapper/012:40:430
12322993126,3cyclictest33-21ksoftirqd/214:01:242
12322993126,3cyclictest33-21ksoftirqd/211:21:082
106891310,9ptp4l401ktimersoftd/310:25:553
106891310,1ptp4l401ktimersoftd/311:12:213
106891310,1ptp4l401ktimersoftd/311:09:123
106891310,0ptp4l401ktimersoftd/310:26:173
12322993024,3cyclictest33-21ksoftirqd/214:51:132
12322993020,8cyclictest33-21ksoftirqd/213:21:292
106891300,1ptp4l401ktimersoftd/310:40:423
106891300,0ptp4l401ktimersoftd/310:03:393
106891300,0ptp4l401ktimersoftd/309:38:443
277362290,1sleep20-21swapper/209:51:192
12330992924,3cyclictest41-21ksoftirqd/310:51:063
12330992923,3cyclictest41-21ksoftirqd/310:46:063
12330992923,3cyclictest41-21ksoftirqd/310:06:263
12322992923,3cyclictest33-21ksoftirqd/212:41:272
12316992921,4cyclictest25-21ksoftirqd/114:36:241
12316992921,4cyclictest25-21ksoftirqd/114:36:241
86572280,2sleep20-21swapper/212:29:092
12330992822,3cyclictest41-21ksoftirqd/310:31:243
12322992823,3cyclictest33-21ksoftirqd/210:21:062
12322992822,3cyclictest33-21ksoftirqd/214:11:302
12322992822,3cyclictest33-21ksoftirqd/213:41:272
12322992822,3cyclictest33-21ksoftirqd/212:11:252
106891280,10ptp4l401ktimersoftd/309:25:263
12330992722,3cyclictest41-21ksoftirqd/309:56:063
12330992721,3cyclictest41-21ksoftirqd/310:21:063
12330992721,3cyclictest41-21ksoftirqd/310:16:063
12322992722,3cyclictest33-21ksoftirqd/213:49:102
12322992722,3cyclictest33-21ksoftirqd/213:26:252
12322992722,3cyclictest33-21ksoftirqd/212:06:232
12322992722,3cyclictest33-21ksoftirqd/210:01:062
12322992721,3cyclictest33-21ksoftirqd/214:26:122
12322992721,3cyclictest33-21ksoftirqd/212:51:282
12322992721,3cyclictest33-21ksoftirqd/210:51:062
12322992712,5cyclictest33-21ksoftirqd/214:10:222
12316992721,3cyclictest25-21ksoftirqd/113:45:121
12316992720,5cyclictest25-21ksoftirqd/111:41:091
101712270,1sleep00-21swapper/013:36:280
12330992620,4cyclictest41-21ksoftirqd/311:01:253
12330992619,4cyclictest41-21ksoftirqd/309:26:203
12322992621,3cyclictest33-21ksoftirqd/211:31:262
12322992620,4cyclictest33-21ksoftirqd/213:51:292
12322992620,3cyclictest33-21ksoftirqd/213:36:112
12322992620,3cyclictest33-21ksoftirqd/213:16:392
12322992619,4cyclictest33-21ksoftirqd/210:57:232
12322992619,4cyclictest33-21ksoftirqd/210:53:342
12322992619,4cyclictest33-21ksoftirqd/210:43:302
12322992610,14cyclictest33-21ksoftirqd/213:00:082
12322992610,14cyclictest33-21ksoftirqd/213:00:082
12316992620,3cyclictest25-21ksoftirqd/113:39:381
12312992621,3cyclictest9-21ksoftirqd/011:11:560
79162250,3sleep08195-21cut13:01:280
241112250,2sleep00-21swapper/013:51:210
168402250,5sleep116827-21ssh11:31:261
12330992519,3cyclictest41-21ksoftirqd/310:51:183
12322992520,3cyclictest33-21ksoftirqd/214:41:282
12322992520,3cyclictest33-21ksoftirqd/214:41:282
12322992520,3cyclictest33-21ksoftirqd/214:21:122
12322992520,3cyclictest33-21ksoftirqd/211:26:242
12322992520,3cyclictest33-21ksoftirqd/209:31:252
12322992520,3cyclictest33-21ksoftirqd/209:31:252
12322992519,3cyclictest33-21ksoftirqd/211:04:542
1231699254,18cyclictest12711-21grep13:06:271
12316992519,3cyclictest25-21ksoftirqd/110:04:451
12316992518,4cyclictest25-21ksoftirqd/109:27:011
12316992512,4cyclictest25-21ksoftirqd/114:29:321
1231299252,19cyclictest20323-21snmp_o5powerctl10:41:310
12312992519,3cyclictest31374-21cut11:06:220
12312992518,4cyclictest9-21ksoftirqd/010:25:490
106891250,0ptp4l401ktimersoftd/309:33:073
106891250,0ptp4l401ktimersoftd/309:33:073
308542240,1sleep00-21swapper/012:18:270
1437622418,3sleep09-21ksoftirqd/013:07:140
12322992419,3cyclictest33-21ksoftirqd/213:36:252
12322992419,3cyclictest33-21ksoftirqd/211:56:272
12322992419,3cyclictest33-21ksoftirqd/211:11:252
12322992419,3cyclictest33-21ksoftirqd/209:26:232
12322992418,3cyclictest33-21ksoftirqd/213:11:292
12322992418,3cyclictest33-21ksoftirqd/212:21:272
12322992417,4cyclictest33-21ksoftirqd/210:16:042
12322992412,3cyclictest33-21ksoftirqd/212:50:592
12316992417,4cyclictest5156-21tail10:11:221
12316992417,4cyclictest25-21ksoftirqd/109:45:561
12312992419,3cyclictest9-21ksoftirqd/013:11:300
12312992418,4cyclictest9-21ksoftirqd/009:44:510
12312992418,3cyclictest9-21ksoftirqd/010:14:210
12312992417,4cyclictest9-21ksoftirqd/011:16:200
12312992417,4cyclictest9-21ksoftirqd/010:59:340
12312992417,4cyclictest9-21ksoftirqd/010:00:200
12312992417,4cyclictest9-21ksoftirqd/009:39:570
12312992415,5cyclictest101ktimersoftd/014:01:220
12312992413,8cyclictest24645-21sed12:11:370
1201022418,2sleep233-21ksoftirqd/213:06:122
106891240,0ptp4l401ktimersoftd/309:59:453
12330992318,3cyclictest41-21ksoftirqd/311:16:103
1232299234,17cyclictest33-21ksoftirqd/211:06:302
12322992317,3cyclictest33-21ksoftirqd/209:25:462
12322992316,4cyclictest33-21ksoftirqd/211:24:532
12322992316,4cyclictest33-21ksoftirqd/210:29:132
12322992312,9cyclictest33-21ksoftirqd/214:39:072
12322992312,9cyclictest33-21ksoftirqd/214:39:072
12316992318,3cyclictest25-21ksoftirqd/111:23:191
12316992318,3cyclictest25-21ksoftirqd/111:02:081
12316992317,4cyclictest25-21ksoftirqd/110:55:171
12316992317,3cyclictest25-21ksoftirqd/111:41:421
12316992317,3cyclictest25-21ksoftirqd/110:39:231
12316992316,4cyclictest25-21ksoftirqd/114:22:231
12316992316,4cyclictest25-21ksoftirqd/111:15:531
12316992316,4cyclictest25-21ksoftirqd/110:49:191
12316992316,4cyclictest25-21ksoftirqd/110:42:411
12316992316,4cyclictest25-21ksoftirqd/110:00:251
12316992315,5cyclictest25828-21ssh13:19:391
1231699231,3cyclictest28716-21ssh13:21:391
1231699231,3cyclictest0-21swapper/111:16:521
1231699231,19cyclictest21696-21snmp_o5powerctl09:36:301
1231299236,14cyclictest233-21systemd-journal12:26:080
12312992317,4cyclictest9-21ksoftirqd/010:04:380
12312992317,3cyclictest9-21ksoftirqd/014:36:220
12312992317,3cyclictest9-21ksoftirqd/014:36:220
12312992317,3cyclictest9-21ksoftirqd/011:51:090
12312992317,3cyclictest9-21ksoftirqd/010:19:420
12312992317,3cyclictest9-21ksoftirqd/009:25:260
12312992316,4cyclictest9-21ksoftirqd/010:53:400
12312992316,4cyclictest9-21ksoftirqd/010:40:110
1231299230,2cyclictest121rcu_preempt14:29:320
26912220,2sleep00-21swapper/010:06:220
12322992217,3cyclictest33-21ksoftirqd/212:16:262
12322992217,3cyclictest33-21ksoftirqd/211:41:242
12322992216,3cyclictest33-21ksoftirqd/214:31:302
12322992216,3cyclictest33-21ksoftirqd/213:57:132
12322992216,3cyclictest33-21ksoftirqd/210:01:192
12322992216,3cyclictest33-21ksoftirqd/209:41:492
12322992215,4cyclictest33-21ksoftirqd/210:07:372
12316992217,3cyclictest25-21ksoftirqd/112:33:581
12316992216,4cyclictest25-21ksoftirqd/114:44:461
12316992216,4cyclictest25-21ksoftirqd/114:44:461
1231699221,3cyclictest8709-21/usr/sbin/munin13:01:321
1231699221,3cyclictest26710-21ssh12:14:451
1231699221,3cyclictest24006-21ssh13:51:161
1231699221,18cyclictest6423-21ssh13:31:431
1231699221,18cyclictest20977-21tail13:46:391
1231699221,18cyclictest13841-21ssh14:12:441
1231699220,3cyclictest5439-21diskmemload11:26:161
12312992216,3cyclictest9-21ksoftirqd/010:28:340
12312992216,3cyclictest9-21ksoftirqd/009:55:080
12312992215,4cyclictest9-21ksoftirqd/009:35:270
12312992215,4cyclictest9-21ksoftirqd/009:35:270
1231299221,3cyclictest6009-21snmp_o5powerctl13:31:370
1231299221,3cyclictest20383-21diskstats12:41:240
1231299221,3cyclictest1074-21snmp_o5powerctl13:26:370
1231299221,18cyclictest5439-21diskmemload13:46:080
265062210,3sleep0111rcuc/011:41:250
12322992116,3cyclictest33-21ksoftirqd/213:01:302
12322992114,4cyclictest13903-21ps12:01:252
12322992114,4cyclictest13023-21sh12:33:102
12316992116,2cyclictest0-21swapper/111:46:411
12316992115,4cyclictest25-21ksoftirqd/111:58:531
12316992115,3cyclictest5418-21sh12:26:221
1231699211,3cyclictest20668-21ssh14:21:001
12316992113,5cyclictest4129-21latency_hist13:31:111
1231699211,17cyclictest5625-21ssh11:52:171
1231699211,17cyclictest28491-21ssh12:49:301
1231699211,17cyclictest0-21swapper/113:12:551
12312992117,3cyclictest9-21ksoftirqd/012:51:260
12312992116,3cyclictest9-21ksoftirqd/010:32:150
12312992115,4cyclictest11497-21grep14:11:250
12312992115,3cyclictest9-21ksoftirqd/014:45:450
12312992115,3cyclictest9-21ksoftirqd/014:45:450
12312992115,3cyclictest9-21ksoftirqd/014:11:110
12312992115,3cyclictest9-21ksoftirqd/012:05:220
12312992113,5cyclictest9-21ksoftirqd/014:22:370
12312992113,5cyclictest101ktimersoftd/011:56:200
1231299211,17cyclictest20788-21ssh12:08:010
12312992111,6cyclictest101ktimersoftd/011:51:200
12312992111,5cyclictest6500-21gltestperf11:21:230
173752200,2sleep10-21swapper/112:05:351
1232299207,7cyclictest0-21swapper/212:36:372
12316992014,3cyclictest8558-21timerandwakeup10:16:331
12316992014,3cyclictest30359-21grep12:51:261
12316992014,3cyclictest25-21ksoftirqd/110:24:281
12316992014,3cyclictest19565-21snmp_o5powerctl12:06:331
12316992014,3cyclictest1430-21/usr/sbin/munin14:01:311
12316992014,3cyclictest14247-21apt-get10:31:181
12316992011,6cyclictest6780-21fschecks_count14:06:281
1231699201,16cyclictest31371-21ssh12:19:201
1231699201,16cyclictest2856-21grep12:56:261
1231699201,16cyclictest2856-21grep12:56:261
1231699200,17cyclictest1909-21ssh14:34:091
12312992015,3cyclictest9-21ksoftirqd/009:50:000
12312992014,3cyclictest9-21ksoftirqd/011:31:130
12312992014,3cyclictest9-21ksoftirqd/011:02:350
12312992014,3cyclictest15521-21/usr/sbin/munin09:26:220
12312992014,3cyclictest12680-21unixbench_multi11:26:330
1231299201,3cyclictest30494-21snmp_o5powerctl13:56:360
1231299201,3cyclictest13522-21ssh14:46:250
12312992013,4cyclictest5439-21diskmemload13:49:030
1231299201,17cyclictest0-21swapper/012:50:300
12322991913,3cyclictest33-21ksoftirqd/210:22:082
12322991913,3cyclictest1394-21sh11:48:282
12322991912,4cyclictest33-21ksoftirqd/210:36:222
12322991912,4cyclictest33-21ksoftirqd/210:33:422
1231699191,3cyclictest18563-21ssh12:39:151
12316991913,3cyclictest31742sleep112:23:101
12316991913,3cyclictest25-21ksoftirqd/109:34:091
12316991913,3cyclictest25-21ksoftirqd/109:34:091
12316991913,3cyclictest25-21ksoftirqd/109:25:501
12316991913,3cyclictest25191-21grep09:46:161
12316991913,3cyclictest12114-21diskstats10:26:211
12316991912,4cyclictest3667-21which10:06:301
1231699191,16cyclictest0-21swapper/114:48:211
1231699191,15cyclictest26720-21head10:56:221
1231699190,17cyclictest0-21swapper/113:57:401
1231299191,2cyclictest5439-21diskmemload12:59:040
1231299191,2cyclictest5439-21diskmemload12:59:040
1231299191,2cyclictest0-21swapper/012:26:140
12312991912,3cyclictest21900-21sed11:36:260
12312991910,4cyclictest18051-21unixbench_multi14:16:420
1231299190,17cyclictest0-21swapper/013:17:310
1231299190,17cyclictest0-21swapper/010:46:550
12322991813,3cyclictest33-21ksoftirqd/209:51:062
12316991812,3cyclictest21268-21open_inodes12:41:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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