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2026-06-19 - 03:10
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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 Fri Jun 19, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1576521770,5sleep2993199cyclictest00:12:282
1068911230,8ptp4l5326-21kworker/3:120:53:073
95092674,10sleep20-21swapper/220:50:202
303782620,5sleep2993199cyclictest02:07:182
37482600,2sleep20-21swapper/223:26:352
141132590,2sleep10-21swapper/101:49:591
66502580,1sleep20-21swapper/201:09:452
144752580,3sleep214474-21gltestperf00:44:402
99892570,2sleep00-21swapper/021:59:330
106891570,1ptp4l401ktimersoftd/301:13:433
106891550,1ptp4l401ktimersoftd/300:09:403
96852544,39sleep00-21swapper/020:52:360
264442540,2sleep00-21swapper/023:17:010
106891540,1ptp4l401ktimersoftd/301:34:123
9942995329,4cyclictest41-21ksoftirqd/320:59:353
9942995329,4cyclictest41-21ksoftirqd/320:59:353
9942995230,3cyclictest41-21ksoftirqd/301:51:193
106891500,1ptp4l401ktimersoftd/322:46:353
9942994942,4cyclictest41-21ksoftirqd/321:09:313
9942994842,3cyclictest41-21ksoftirqd/300:29:363
9942994841,4cyclictest41-21ksoftirqd/301:14:373
62222480,1sleep20-21swapper/222:55:592
62222480,1sleep20-21swapper/222:55:592
9942994740,4cyclictest41-21ksoftirqd/321:49:333
9942994721,4cyclictest41-21ksoftirqd/301:24:413
994299464,39cyclictest40092irq/92-enp1s0-T00:14:423
994299463,8cyclictest41-21ksoftirqd/323:19:233
9942994620,8cyclictest41-21ksoftirqd/301:54:393
9922994637,5cyclictest9-21ksoftirqd/022:04:310
9922994538,4cyclictest9-21ksoftirqd/000:04:370
9942994438,3cyclictest41-21ksoftirqd/321:14:313
9922994436,4cyclictest9-21ksoftirqd/002:19:390
9922994436,4cyclictest9-21ksoftirqd/002:19:390
106891440,1ptp4l401ktimersoftd/302:01:063
994299434,3cyclictest15114-21munin-plugin-st23:39:233
9942994337,3cyclictest41-21ksoftirqd/323:19:273
9942994336,4cyclictest41-21ksoftirqd/301:34:383
9942994328,3cyclictest41-21ksoftirqd/300:39:423
9922994337,3cyclictest9-21ksoftirqd/001:19:380
9942994230,3cyclictest41-21ksoftirqd/321:44:413
9942994230,3cyclictest41-21ksoftirqd/302:04:573
9942994226,3cyclictest41-21ksoftirqd/300:19:523
9922994232,4cyclictest9-21ksoftirqd/000:49:370
9942994136,3cyclictest41-21ksoftirqd/323:29:353
9942994136,3cyclictest41-21ksoftirqd/300:54:383
9942994123,3cyclictest41-21ksoftirqd/322:39:363
9922994133,4cyclictest9-21ksoftirqd/023:44:340
9942994035,3cyclictest41-21ksoftirqd/321:29:253
9942994033,3cyclictest41-21ksoftirqd/321:04:303
9942994033,3cyclictest41-21ksoftirqd/321:04:303
9942994029,3cyclictest41-21ksoftirqd/322:24:213
9942994029,3cyclictest41-21ksoftirqd/300:44:463
9942994028,3cyclictest41-21ksoftirqd/323:49:353
9942994028,3cyclictest41-21ksoftirqd/301:03:333
994299402,3cyclictest41-21ksoftirqd/300:24:423
9942994012,4cyclictest41-21ksoftirqd/323:04:413
9922994032,4cyclictest9-21ksoftirqd/022:24:310
994299395,3cyclictest41-21ksoftirqd/302:09:483
9942993929,3cyclictest41-21ksoftirqd/321:59:503
9942993928,3cyclictest41-21ksoftirqd/300:04:253
9942993926,3cyclictest41-21ksoftirqd/323:11:123
994299391,3cyclictest41-21ksoftirqd/321:24:203
994299391,3cyclictest41-21ksoftirqd/302:19:473
994299391,3cyclictest41-21ksoftirqd/302:19:473
9942993910,7cyclictest41-21ksoftirqd/322:29:403
9922993931,4cyclictest9-21ksoftirqd/000:39:380
106891390,1ptp4l401ktimersoftd/302:14:293
106891390,0ptp4l401ktimersoftd/323:02:573
994299389,9cyclictest41-21ksoftirqd/321:24:213
994299384,3cyclictest121rcu_preempt21:34:373
9942993830,4cyclictest41-21ksoftirqd/300:34:403
9942993820,4cyclictest41-21ksoftirqd/301:04:393
994299381,3cyclictest41-21ksoftirqd/320:54:303
994299381,3cyclictest41-21ksoftirqd/320:54:303
9922993829,7cyclictest9-21ksoftirqd/023:44:230
106891380,1ptp4l401ktimersoftd/322:57:403
106891380,1ptp4l401ktimersoftd/322:57:403
106891380,1ptp4l401ktimersoftd/301:48:423
106891380,1ptp4l401ktimersoftd/301:39:403
106891380,1ptp4l401ktimersoftd/301:21:493
994299379,10cyclictest41-21ksoftirqd/323:54:423
994299372,4cyclictest121rcu_preempt22:19:213
994299370,13cyclictest41-21ksoftirqd/322:09:393
106891370,1ptp4l401ktimersoftd/323:59:483
106891370,1ptp4l401ktimersoftd/321:39:433
106891370,0ptp4l401ktimersoftd/300:53:013
9942993629,4cyclictest41-21ksoftirqd/323:44:363
994299361,3cyclictest41-21ksoftirqd/322:49:453
994299361,3cyclictest41-21ksoftirqd/322:49:453
9942993612,4cyclictest41-21ksoftirqd/323:40:223
9922993628,4cyclictest9-21ksoftirqd/001:59:390
951823616,11sleep125-21ksoftirqd/120:50:281
994299357,9cyclictest41-21ksoftirqd/322:04:423
994299356,9cyclictest41-21ksoftirqd/323:24:253
994299350,3cyclictest41-21ksoftirqd/322:24:493
993199358,4cyclictest33-21ksoftirqd/201:39:402
993199353,6cyclictest121rcu_preempt00:14:432
9922993527,4cyclictest9-21ksoftirqd/001:24:390
9922993523,9cyclictest9-21ksoftirqd/000:44:400
35572350,1sleep00-21swapper/001:39:460
9942993428,3cyclictest41-21ksoftirqd/321:54:403
9942993418,7cyclictest41-21ksoftirqd/322:34:393
993199342,6cyclictest3349-21awk23:59:412
9931993423,9cyclictest33-21ksoftirqd/222:19:402
9931993422,5cyclictest33-21ksoftirqd/202:19:492
9931993422,5cyclictest33-21ksoftirqd/202:19:492
993199337,4cyclictest33-21ksoftirqd/200:54:432
993199333,5cyclictest3964-21cut00:34:242
9931993327,3cyclictest33-21ksoftirqd/223:44:382
9931993327,3cyclictest33-21ksoftirqd/200:59:412
9931993319,11cyclictest33-21ksoftirqd/223:24:232
9927993320,10cyclictest25-21ksoftirqd/123:59:361
9922993327,3cyclictest9-21ksoftirqd/002:04:310
9922993327,3cyclictest9-21ksoftirqd/000:04:240
9922993324,5cyclictest9-21ksoftirqd/022:29:340
9922993324,5cyclictest9-21ksoftirqd/000:54:370
9931993226,4cyclictest33-21ksoftirqd/223:14:412
993199321,5cyclictest121rcu_preempt00:04:592
993199321,3cyclictest121rcu_preempt23:44:232
9931993213,4cyclictest33-21ksoftirqd/221:24:212
993199320,5cyclictest121rcu_preempt01:49:572
993199320,3cyclictest121rcu_preempt00:39:022
9927993227,3cyclictest25-21ksoftirqd/102:04:391
9927993224,4cyclictest25-21ksoftirqd/123:09:351
9922993226,4cyclictest9621-21cron21:59:210
993199316,7cyclictest33-21ksoftirqd/202:09:502
993199316,4cyclictest33-21ksoftirqd/201:34:422
9931993126,3cyclictest33-21ksoftirqd/223:09:232
9931993126,3cyclictest33-21ksoftirqd/201:29:502
9931993125,3cyclictest33-21ksoftirqd/221:04:192
9931993125,3cyclictest33-21ksoftirqd/221:04:192
9931993120,9cyclictest33-21ksoftirqd/202:14:492
993199311,3cyclictest121rcu_preempt23:35:392
993199310,2cyclictest121rcu_preempt01:18:082
9922993123,5cyclictest9-21ksoftirqd/001:04:380
993199302,6cyclictest8090-21if_enp1s021:54:372
993199302,6cyclictest1350-21cpuspeed_turbos22:49:362
993199302,6cyclictest1350-21cpuspeed_turbos22:49:362
9931993025,3cyclictest33-21ksoftirqd/223:59:242
9931993025,3cyclictest33-21ksoftirqd/223:49:362
9931993025,3cyclictest33-21ksoftirqd/222:09:392
9931993024,3cyclictest33-21ksoftirqd/221:14:202
9931993023,4cyclictest33-21ksoftirqd/201:54:382
993199301,5cyclictest121rcu_preempt01:47:302
993199301,4cyclictest121rcu_preempt23:04:222
993199301,2cyclictest121rcu_preempt01:24:502
993199300,2cyclictest121rcu_preempt00:21:252
9922993024,3cyclictest9-21ksoftirqd/023:34:230
9922993024,3cyclictest9-21ksoftirqd/023:24:400
9922993024,3cyclictest9-21ksoftirqd/001:34:540
9922993024,3cyclictest9-21ksoftirqd/001:14:430
9922993021,5cyclictest9-21ksoftirqd/022:09:320
157492300,1sleep10-21swapper/101:19:401
993199295,4cyclictest33-21ksoftirqd/223:29:392
9931992924,3cyclictest33-21ksoftirqd/222:04:332
9931992924,3cyclictest33-21ksoftirqd/221:24:202
9931992924,3cyclictest33-21ksoftirqd/201:09:262
9931992923,4cyclictest33-21ksoftirqd/222:34:362
993199290,2cyclictest121rcu_preempt23:12:172
993199290,2cyclictest121rcu_preempt00:27:042
9922992924,3cyclictest9-21ksoftirqd/020:59:190
9922992924,3cyclictest9-21ksoftirqd/020:59:190
9922992924,3cyclictest9-21ksoftirqd/001:09:500
9922992923,3cyclictest9-21ksoftirqd/022:24:210
992299292,2cyclictest121rcu_preempt01:49:550
992299291,6cyclictest5690-1kworker/u9:200:15:110
200872290,5sleep1992799cyclictest00:16:321
993199285,3cyclictest33-21ksoftirqd/222:14:492
993199284,7cyclictest33-21ksoftirqd/221:29:352
993199282,4cyclictest33-21ksoftirqd/222:39:422
9931992823,3cyclictest33-21ksoftirqd/221:44:212
9931992822,4cyclictest33-21ksoftirqd/221:04:462
9931992822,4cyclictest33-21ksoftirqd/221:04:462
9931992822,3cyclictest33-21ksoftirqd/222:49:222
9931992822,3cyclictest33-21ksoftirqd/222:24:352
9931992822,3cyclictest33-21ksoftirqd/221:59:332
9931992822,3cyclictest33-21ksoftirqd/221:44:322
9931992821,4cyclictest304152chrt21:34:262
9931992818,8cyclictest33-21ksoftirqd/222:34:222
993199281,3cyclictest121rcu_preempt02:03:272
993199281,2cyclictest121rcu_preempt01:22:312
9927992823,3cyclictest25-21ksoftirqd/121:04:191
9927992823,3cyclictest25-21ksoftirqd/121:04:191
9922992823,3cyclictest9-21ksoftirqd/023:24:230
9922992823,3cyclictest9-21ksoftirqd/021:24:200
9922992823,3cyclictest9-21ksoftirqd/002:09:410
9922992822,3cyclictest9-21ksoftirqd/002:19:270
9922992822,3cyclictest9-21ksoftirqd/001:29:500
9922992822,3cyclictest9-21ksoftirqd/000:59:430
9922992812,4cyclictest9-21ksoftirqd/023:34:410
9922992811,5cyclictest9-21ksoftirqd/001:54:390
9931992721,3cyclictest33-21ksoftirqd/221:19:202
9931992716,8cyclictest33-21ksoftirqd/200:49:382
993199271,4cyclictest33-21ksoftirqd/220:54:322
993199271,4cyclictest33-21ksoftirqd/220:54:322
9922992722,3cyclictest9-21ksoftirqd/021:49:370
9922992721,3cyclictest9-21ksoftirqd/023:54:370
9922992721,3cyclictest9-21ksoftirqd/022:44:330
9922992712,4cyclictest9-21ksoftirqd/001:44:510
9922992711,5cyclictest9-21ksoftirqd/000:34:240
993199263,3cyclictest33-21ksoftirqd/221:49:402
9931992621,3cyclictest33-21ksoftirqd/200:39:392
9927992620,3cyclictest25-21ksoftirqd/122:59:351
9927992620,3cyclictest25-21ksoftirqd/101:09:451
9922992622,2cyclictest9-21ksoftirqd/023:14:220
9922992621,3cyclictest9-21ksoftirqd/023:04:330
9922992621,3cyclictest9-21ksoftirqd/000:34:490
9922992621,3cyclictest9-21ksoftirqd/000:19:410
9922992621,3cyclictest9-21ksoftirqd/000:09:350
9922992620,3cyclictest9-21ksoftirqd/021:12:240
9922992620,3cyclictest9-21ksoftirqd/021:08:580
9922992620,3cyclictest9-21ksoftirqd/021:08:580
9922992620,3cyclictest9-21ksoftirqd/020:59:200
9922992620,3cyclictest9-21ksoftirqd/020:59:200
258302260,4sleep1992799cyclictest00:55:271
9927992520,3cyclictest25-21ksoftirqd/121:29:381
9927992519,4cyclictest25-21ksoftirqd/121:05:581
9927992519,4cyclictest25-21ksoftirqd/121:05:581
9927992519,3cyclictest25-21ksoftirqd/123:19:341
9927992519,3cyclictest25-21ksoftirqd/122:45:231
9927992518,4cyclictest25-21ksoftirqd/121:46:131
9922992520,3cyclictest9-21ksoftirqd/022:44:220
9922992520,3cyclictest9-21ksoftirqd/021:34:380
9922992520,3cyclictest9-21ksoftirqd/021:24:480
9922992520,3cyclictest9-21ksoftirqd/000:24:530
9922992519,3cyclictest9-21ksoftirqd/022:54:220
9922992519,3cyclictest9-21ksoftirqd/022:54:220
9922992519,3cyclictest9-21ksoftirqd/021:49:210
9922992519,3cyclictest9-21ksoftirqd/021:39:320
9922992516,5cyclictest8936-21fschecks_count22:59:380
9927992419,3cyclictest25-21ksoftirqd/101:00:251
9927992417,4cyclictest25-21ksoftirqd/122:32:021
9922992420,2cyclictest9-21ksoftirqd/022:59:230
9922992420,2cyclictest9-21ksoftirqd/022:59:230
9922992419,3cyclictest9-21ksoftirqd/021:29:370
9922992418,3cyclictest9-21ksoftirqd/023:49:360
9922992417,4cyclictest9-21ksoftirqd/022:34:580
9927992320,2cyclictest25-21ksoftirqd/123:49:241
9927992318,3cyclictest25-21ksoftirqd/123:29:551
9927992318,3cyclictest25-21ksoftirqd/121:23:171
9927992318,3cyclictest25-21ksoftirqd/102:16:011
9927992318,3cyclictest25-21ksoftirqd/102:14:261
9927992317,3cyclictest25-21ksoftirqd/123:51:551
9927992317,3cyclictest25-21ksoftirqd/120:56:501
9927992317,3cyclictest25-21ksoftirqd/120:56:501
9927992316,4cyclictest25-21ksoftirqd/121:59:301
992799231,5cyclictest23923-21ssh01:27:521
9927992314,6cyclictest25-21ksoftirqd/100:32:501
9922992317,3cyclictest9-21ksoftirqd/021:19:200
9922992316,4cyclictest9-21ksoftirqd/022:14:260
252192230,19sleep125230-21ssh02:02:131
9927992218,3cyclictest25-21ksoftirqd/101:38:391
9927992217,3cyclictest25-21ksoftirqd/123:40:111
9927992217,3cyclictest25-21ksoftirqd/101:54:551
9927992217,3cyclictest25-21ksoftirqd/101:14:411
9927992217,3cyclictest25-21ksoftirqd/100:54:251
9927992216,3cyclictest25-21ksoftirqd/122:50:571
9927992216,3cyclictest25-21ksoftirqd/122:50:571
9927992216,3cyclictest25-21ksoftirqd/122:05:581
9927992216,3cyclictest25-21ksoftirqd/121:15:491
9927992215,4cyclictest5871-21sh01:42:341
992799221,18cyclictest5858-21grep21:49:391
992799221,18cyclictest19550-21cut22:19:351
992799221,18cyclictest10966-21users00:39:551
992799218,10cyclictest4823-21idleruntime00:34:421
9927992116,3cyclictest25-21ksoftirqd/123:38:261
9927992115,4cyclictest25-21ksoftirqd/121:40:431
9927992114,5cyclictest25-21ksoftirqd/100:24:101
9927992114,4cyclictest17496-21gltestperf22:14:371
9927992114,4cyclictest13940-21sh23:04:381
9927992114,4cyclictest1055-21runrttasks01:33:361
992799211,17cyclictest9232-21grep01:45:011
992799211,17cyclictest25598-21ssh23:15:341
9927992015,3cyclictest25-21ksoftirqd/123:59:241
9927992015,3cyclictest25-21ksoftirqd/123:26:381
9927992014,4cyclictest25-21ksoftirqd/121:26:181
9927992014,3cyclictest8110-21cut00:04:411
9927992014,3cyclictest26934-21/usr/sbin/munin00:24:421
9927992014,3cyclictest25-21ksoftirqd/122:34:511
9927992013,4cyclictest25-21ksoftirqd/122:42:501
9927992013,4cyclictest18572-21latency_hist00:49:251
9927992013,4cyclictest1055-21runrttasks22:54:591
9927992013,4cyclictest1055-21runrttasks22:54:591
9927992010,8cyclictest1248-21sh01:04:401
9927991913,4cyclictest7487-21/usr/sbin/munin21:54:471
9927991913,3cyclictest25-21ksoftirqd/122:13:311
9927991913,3cyclictest25-21ksoftirqd/121:34:241
9927991913,3cyclictest21737-21/usr/sbin/munin22:24:351
9927991913,3cyclictest12641-21ls00:09:371
9927991912,4cyclictest25-21ksoftirqd/121:10:161
992799190,16cyclictest11872-21rm02:21:161
992799190,16cyclictest11872-21rm02:21:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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