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2025-12-15 - 10:31
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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 Dec 15, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3181621610,5sleep13050999cyclictest21:26:391
1630721270,4sleep03050299cyclictest19:46:380
1068911200,8ptp4l28062-21kworker/3:019:10:453
1055521100,23sleep110559-21irqrtprio22:56:441
227092680,3sleep122700-21apt-config20:01:201
315702610,2sleep00-21swapper/022:31:540
72972600,4sleep03050299cyclictest20:36:400
302582604,10sleep10-21swapper/119:09:291
3052199496,9cyclictest41-21ksoftirqd/323:16:443
3052199484,7cyclictest41-21ksoftirqd/321:26:523
30521994820,8cyclictest41-21ksoftirqd/322:16:293
30521994820,8cyclictest41-21ksoftirqd/322:16:293
30521994721,7cyclictest41-21ksoftirqd/323:46:423
30521994720,8cyclictest41-21ksoftirqd/321:23:503
3052199471,9cyclictest401ktimersoftd/320:36:443
30521994716,8cyclictest41-21ksoftirqd/321:11:393
3052199470,9cyclictest401ktimersoftd/322:31:413
219712470,1sleep20-21swapper/221:06:372
3052199466,8cyclictest41-21ksoftirqd/323:21:403
3052199465,9cyclictest41-21ksoftirqd/319:11:323
3052199465,7cyclictest41-21ksoftirqd/322:21:473
3052199465,11cyclictest41-21ksoftirqd/300:21:263
3052199464,8cyclictest41-21ksoftirqd/321:06:523
3052199464,7cyclictest41-21ksoftirqd/321:31:393
3052199464,7cyclictest41-21ksoftirqd/300:37:003
3052199464,6cyclictest41-21ksoftirqd/322:41:533
30521994620,7cyclictest41-21ksoftirqd/323:41:363
30521994619,8cyclictest41-21ksoftirqd/321:55:013
30521994619,10cyclictest41-21ksoftirqd/323:52:523
3052199457,7cyclictest41-21ksoftirqd/321:46:563
3052199456,9cyclictest41-21ksoftirqd/320:01:423
3052199456,8cyclictest41-21ksoftirqd/320:11:213
3052199456,7cyclictest41-21ksoftirqd/323:36:453
3052199456,7cyclictest14224-21apt-config20:51:223
3052199454,9cyclictest41-21ksoftirqd/323:06:253
3052199454,7cyclictest41-21ksoftirqd/322:06:583
30521994519,9cyclictest41-21ksoftirqd/320:55:203
3052199450,8cyclictest401ktimersoftd/319:31:383
3052199447,8cyclictest41-21ksoftirqd/323:11:483
3052199447,8cyclictest41-21ksoftirqd/321:01:393
3052199447,7cyclictest41-21ksoftirqd/320:11:443
3052199447,4cyclictest41-21ksoftirqd/300:11:423
3052199447,4cyclictest41-21ksoftirqd/300:11:423
3052199446,8cyclictest41-21ksoftirqd/320:41:433
3052199446,7cyclictest41-21ksoftirqd/322:36:423
3052199446,7cyclictest41-21ksoftirqd/322:01:233
3052199446,7cyclictest41-21ksoftirqd/320:16:353
3052199446,7cyclictest41-21ksoftirqd/320:16:353
3052199445,5cyclictest41-21ksoftirqd/320:01:203
3052199445,10cyclictest41-21ksoftirqd/319:36:413
3052199445,10cyclictest41-21ksoftirqd/300:11:263
3052199443,8cyclictest41-21ksoftirqd/319:26:433
3052199443,7cyclictest41-21ksoftirqd/322:46:533
3052199442,7cyclictest41-21ksoftirqd/323:31:423
3052199437,8cyclictest41-21ksoftirqd/322:11:393
3052199437,8cyclictest41-21ksoftirqd/322:11:393
3052199436,7cyclictest9284-21tail00:01:473
3052199436,7cyclictest41-21ksoftirqd/322:26:403
3052199435,8cyclictest41-21ksoftirqd/320:56:393
3052199435,10cyclictest41-21ksoftirqd/321:41:413
3052199434,8cyclictest41-21ksoftirqd/320:31:343
3052199434,7cyclictest41-21ksoftirqd/300:31:463
3052199433,7cyclictest41-21ksoftirqd/322:01:403
3052199431,7cyclictest401ktimersoftd/320:21:393
3052199431,7cyclictest401ktimersoftd/320:21:393
3052199431,6cyclictest401ktimersoftd/321:41:223
3052199430,7cyclictest401ktimersoftd/323:26:473
3052199430,6cyclictest401ktimersoftd/322:56:413
3052199427,8cyclictest41-21ksoftirqd/300:21:423
3052199427,7cyclictest41-21ksoftirqd/321:16:363
3052199426,7cyclictest41-21ksoftirqd/323:06:433
3052199425,7cyclictest41-21ksoftirqd/319:41:383
3052199423,8cyclictest41-21ksoftirqd/319:21:413
3052199423,5cyclictest41-21ksoftirqd/319:51:333
30513994230,5cyclictest33-21ksoftirqd/222:21:382
3052199416,8cyclictest41-21ksoftirqd/300:26:373
3052199415,8cyclictest41-21ksoftirqd/319:46:443
3052199415,10cyclictest41-21ksoftirqd/320:26:413
3052199414,8cyclictest41-21ksoftirqd/319:16:233
3052199414,7cyclictest41-21ksoftirqd/322:51:443
3052199412,6cyclictest401ktimersoftd/323:56:483
3020024021,8sleep20-21swapper/219:08:462
30513993934,3cyclictest33-21ksoftirqd/220:16:202
82282372,3sleep09-21ksoftirqd/021:46:220
30513993630,4cyclictest33-21ksoftirqd/221:21:222
3051399343,3cyclictest121rcu_preempt22:59:512
30513993327,3cyclictest33-21ksoftirqd/220:01:202
30513993321,3cyclictest33-21ksoftirqd/220:51:362
3051399324,3cyclictest33-21ksoftirqd/219:51:502
30513993226,3cyclictest33-21ksoftirqd/223:31:392
30513993226,3cyclictest33-21ksoftirqd/222:36:542
30513993226,3cyclictest33-21ksoftirqd/222:26:412
30513993226,3cyclictest33-21ksoftirqd/220:41:412
30513993226,3cyclictest33-21ksoftirqd/219:36:202
30513993226,3cyclictest33-21ksoftirqd/219:16:322
30513993220,5cyclictest33-21ksoftirqd/221:31:352
3014123210,12sleep09-21ksoftirqd/019:07:590
3051399313,4cyclictest26048-21munin-run23:31:252
30513993126,3cyclictest33-21ksoftirqd/221:01:222
30513993126,3cyclictest33-21ksoftirqd/220:36:212
30513993125,3cyclictest33-21ksoftirqd/223:06:412
30513993125,3cyclictest33-21ksoftirqd/220:41:212
30513993124,4cyclictest33-21ksoftirqd/223:21:252
30513993120,9cyclictest33-21ksoftirqd/200:16:212
30513993120,9cyclictest33-21ksoftirqd/200:16:212
30513993119,3cyclictest33-21ksoftirqd/220:16:372
30513993119,3cyclictest33-21ksoftirqd/220:16:372
3051399305,4cyclictest131rcu_sched19:16:202
30513993025,3cyclictest33-21ksoftirqd/220:21:392
30513993025,3cyclictest33-21ksoftirqd/220:21:392
30513993024,3cyclictest33-21ksoftirqd/223:51:432
30513993024,3cyclictest33-21ksoftirqd/222:41:412
30513993024,3cyclictest33-21ksoftirqd/221:46:222
30513993024,3cyclictest33-21ksoftirqd/220:26:392
30513993024,3cyclictest33-21ksoftirqd/219:21:392
30513993017,11cyclictest33-21ksoftirqd/221:51:412
238332300,3sleep023838-21irqrtprio22:16:440
238332300,3sleep023838-21irqrtprio22:16:440
30513992924,3cyclictest33-21ksoftirqd/222:31:442
30513992924,3cyclictest33-21ksoftirqd/222:21:232
30513992924,3cyclictest33-21ksoftirqd/222:21:232
30513992924,3cyclictest33-21ksoftirqd/222:11:442
30513992924,3cyclictest33-21ksoftirqd/222:11:442
30513992924,3cyclictest33-21ksoftirqd/220:51:222
30513992924,3cyclictest33-21ksoftirqd/219:26:342
30513992924,3cyclictest33-21ksoftirqd/200:01:422
3051399292,3cyclictest33-21ksoftirqd/200:36:262
30513992923,3cyclictest33-21ksoftirqd/223:01:452
30513992923,3cyclictest33-21ksoftirqd/222:51:562
30509992914,4cyclictest25-21ksoftirqd/121:56:421
30513992823,3cyclictest33-21ksoftirqd/222:01:432
30513992823,3cyclictest33-21ksoftirqd/220:06:402
30513992823,3cyclictest33-21ksoftirqd/220:01:382
30513992823,3cyclictest33-21ksoftirqd/219:46:202
30513992822,3cyclictest33-21ksoftirqd/221:46:422
30513992822,3cyclictest33-21ksoftirqd/200:16:402
30509992821,4cyclictest25-21ksoftirqd/121:24:261
30513992722,3cyclictest33-21ksoftirqd/223:21:412
30513992722,3cyclictest33-21ksoftirqd/222:51:242
30513992722,3cyclictest33-21ksoftirqd/221:37:122
30513992722,3cyclictest33-21ksoftirqd/221:26:412
30513992722,3cyclictest33-21ksoftirqd/219:46:482
30513992722,3cyclictest33-21ksoftirqd/200:36:422
30513992722,3cyclictest33-21ksoftirqd/200:06:472
30513992721,4cyclictest33-21ksoftirqd/221:02:312
30513992721,4cyclictest33-21ksoftirqd/200:26:392
30513992721,3cyclictest33-21ksoftirqd/219:41:192
30513992720,4cyclictest33-21ksoftirqd/223:47:032
30509992721,4cyclictest25-21ksoftirqd/120:26:351
30509992721,3cyclictest25-21ksoftirqd/123:44:471
30509992721,3cyclictest25-21ksoftirqd/122:34:241
30509992719,5cyclictest25-21ksoftirqd/123:31:251
30502992721,3cyclictest9-21ksoftirqd/023:30:290
30502992721,3cyclictest9-21ksoftirqd/021:15:540
30502992721,3cyclictest9-21ksoftirqd/000:25:530
30502992721,3cyclictest9-21ksoftirqd/000:01:320
30502992720,4cyclictest9-21ksoftirqd/023:07:340
30502992720,4cyclictest10016-21fschecks_count22:56:400
30513992621,3cyclictest33-21ksoftirqd/221:11:452
30513992620,3cyclictest33-21ksoftirqd/223:41:442
30513992620,3cyclictest33-21ksoftirqd/223:16:252
30513992620,3cyclictest33-21ksoftirqd/221:56:352
30509992621,3cyclictest25-21ksoftirqd/120:46:211
30509992620,3cyclictest25-21ksoftirqd/122:39:571
30509992619,4cyclictest25-21ksoftirqd/121:08:361
30509992619,4cyclictest25-21ksoftirqd/119:49:481
30502992620,4cyclictest9-21ksoftirqd/021:38:140
30502992620,3cyclictest9-21ksoftirqd/021:17:050
30502992620,3cyclictest9-21ksoftirqd/020:01:100
30502992619,4cyclictest9-21ksoftirqd/020:49:320
30502992619,4cyclictest9-21ksoftirqd/019:30:520
30513992520,3cyclictest33-21ksoftirqd/200:26:262
30513992519,3cyclictest33-21ksoftirqd/223:36:372
30509992520,3cyclictest25-21ksoftirqd/100:31:541
30509992519,3cyclictest25-21ksoftirqd/123:11:011
30509992519,3cyclictest25-21ksoftirqd/121:39:441
30509992519,3cyclictest25-21ksoftirqd/121:35:411
30509992519,3cyclictest25-21ksoftirqd/100:23:521
30509992518,4cyclictest25-21ksoftirqd/119:17:161
30502992519,3cyclictest9-21ksoftirqd/023:37:350
30502992519,3cyclictest9-21ksoftirqd/022:27:480
30502992519,3cyclictest9-21ksoftirqd/019:46:090
30502992519,3cyclictest9-21ksoftirqd/019:38:270
30502992519,3cyclictest9-21ksoftirqd/000:30:570
30502992518,4cyclictest9-21ksoftirqd/019:14:100
30513992419,3cyclictest33-21ksoftirqd/200:01:252
30513992418,3cyclictest33-21ksoftirqd/222:07:082
30509992418,4cyclictest25-21ksoftirqd/122:12:191
30509992418,4cyclictest25-21ksoftirqd/122:12:191
30509992418,3cyclictest25-21ksoftirqd/123:50:371
30509992418,3cyclictest25-21ksoftirqd/121:44:471
30509992418,3cyclictest25-21ksoftirqd/119:22:401
30509992417,4cyclictest25-21ksoftirqd/121:55:581
30509992417,4cyclictest25-21ksoftirqd/100:11:311
30509992417,4cyclictest25-21ksoftirqd/100:11:311
30509992417,4cyclictest25-21ksoftirqd/100:09:421
30502992418,4cyclictest9-21ksoftirqd/023:49:500
30502992418,4cyclictest9-21ksoftirqd/023:46:250
30502992418,3cyclictest9-21ksoftirqd/023:25:210
30502992418,3cyclictest9-21ksoftirqd/000:08:370
30502992417,4cyclictest9-21ksoftirqd/023:34:120
30502992417,4cyclictest9-21ksoftirqd/022:12:310
30502992417,4cyclictest9-21ksoftirqd/022:12:310
30502992417,4cyclictest9-21ksoftirqd/020:20:180
30502992417,4cyclictest9-21ksoftirqd/020:20:180
30502992417,4cyclictest9-21ksoftirqd/000:39:560
30502992417,4cyclictest9-21ksoftirqd/000:12:420
30502992417,4cyclictest9-21ksoftirqd/000:12:420
245022240,4sleep13050999cyclictest21:11:371
30513992318,3cyclictest33-21ksoftirqd/221:21:402
30509992318,3cyclictest25-21ksoftirqd/119:55:411
30509992317,3cyclictest25-21ksoftirqd/123:39:421
30509992317,3cyclictest25-21ksoftirqd/123:17:391
30509992317,3cyclictest25-21ksoftirqd/122:47:191
30509992317,3cyclictest25-21ksoftirqd/122:43:131
30509992317,3cyclictest25-21ksoftirqd/122:08:261
30509992317,3cyclictest25-21ksoftirqd/120:15:391
30509992317,3cyclictest25-21ksoftirqd/100:38:341
30509992316,4cyclictest25-21ksoftirqd/123:55:051
30509992315,5cyclictest8878-21grep21:46:441
3050999231,4cyclictest16643-21memory22:01:441
3050299239,4cyclictest5466-21cron23:56:250
30502992318,3cyclictest9-21ksoftirqd/020:51:490
30502992317,3cyclictest9-21ksoftirqd/023:06:140
30502992317,3cyclictest9-21ksoftirqd/021:35:480
30502992317,3cyclictest9-21ksoftirqd/021:30:390
30502992317,3cyclictest9-21ksoftirqd/020:43:450
30502992317,3cyclictest9-21ksoftirqd/020:16:200
30502992317,3cyclictest9-21ksoftirqd/019:25:220
30502992316,4cyclictest9-21ksoftirqd/021:54:520
30502992316,4cyclictest9-21ksoftirqd/000:00:580
28832230,3sleep02889-21gltestperf22:41:410
30509992217,3cyclictest25-21ksoftirqd/123:04:021
30509992216,4cyclictest25-21ksoftirqd/120:03:051
30509992216,3cyclictest25-21ksoftirqd/122:20:351
30509992216,3cyclictest25-21ksoftirqd/122:20:351
30509992216,3cyclictest25-21ksoftirqd/120:32:101
30509992216,3cyclictest25-21ksoftirqd/100:00:481
3050999221,4cyclictest27845-21snmp_o5powerctl21:16:471
3050999221,4cyclictest15794-21perl00:16:431
3050299223,3cyclictest121rcu_preempt21:56:420
30502992217,3cyclictest9-21ksoftirqd/023:11:420
30502992216,3cyclictest9-21ksoftirqd/020:22:190
30502992216,3cyclictest9-21ksoftirqd/020:22:190
30502992215,4cyclictest9-21ksoftirqd/021:09:440
30502992215,4cyclictest6609-21sed20:31:510
30509992116,3cyclictest25-21ksoftirqd/123:21:361
30509992116,3cyclictest25-21ksoftirqd/122:54:541
30509992115,4cyclictest25-21ksoftirqd/122:30:261
30509992115,4cyclictest25-21ksoftirqd/120:22:481
30509992115,4cyclictest25-21ksoftirqd/120:22:481
30509992115,3cyclictest25-21ksoftirqd/119:15:031
3050999211,4cyclictest13758-21users20:46:501
30509992114,4cyclictest25-21ksoftirqd/120:55:201
30509992114,4cyclictest25-21ksoftirqd/119:36:111
30509992114,4cyclictest13131-21idleruntime-cro19:41:191
3050999211,3cyclictest31593-21snmp_o5powerctl20:16:451
3050999211,3cyclictest31593-21snmp_o5powerctl20:16:451
3050999211,18cyclictest0-21swapper/120:38:121
30502992115,4cyclictest9-21ksoftirqd/022:25:270
30502992115,4cyclictest9-21ksoftirqd/022:10:260
30502992115,4cyclictest9-21ksoftirqd/020:03:040
30502992115,3cyclictest9-21ksoftirqd/023:18:520
30502992115,3cyclictest9-21ksoftirqd/022:49:520
30502992115,3cyclictest9-21ksoftirqd/019:36:190
30502992114,4cyclictest9-21ksoftirqd/022:53:450
30502992114,4cyclictest9-21ksoftirqd/019:20:480
30509992014,4cyclictest25-21ksoftirqd/119:44:141
3050999201,3cyclictest27682-21snmp_o5powerctl23:31:501
3050999201,18cyclictest0-21swapper/120:10:251
3050999201,16cyclictest0-21swapper/121:01:341
3050999200,18cyclictest0-21swapper/119:27:441
3050999200,18cyclictest0-21swapper/100:02:381
3050999200,17cyclictest0-21swapper/122:21:281
3050299203,10cyclictest2594-21apt-get20:26:350
30502992015,3cyclictest9-21ksoftirqd/021:02:130
30502992014,3cyclictest32389-21/usr/sbin/munin22:36:390
30502992014,3cyclictest15332-21/usr/sbin/munin00:16:550
30502992013,4cyclictest9-21ksoftirqd/021:48:540
30502992013,4cyclictest22452-21/usr/sbin/munin00:31:470
3050299200,5cyclictest0-21swapper/022:01:400
3050999190,17cyclictest0-21swapper/120:56:221
3050999190,17cyclictest0-21swapper/100:27:191
3050999190,16cyclictest18105-21ptp4l-jitter23:11:491
30502991914,3cyclictest9-21ksoftirqd/020:57:150
30502991912,4cyclictest9-21ksoftirqd/020:10:420
30502991812,4cyclictest984-21snmpd21:25:160
30502991810,4cyclictest18625-21gltestperf19:51:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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