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2025-12-05 - 10:48
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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 Dec 05, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1396521820,3sleep10-21swapper/120:19:381
1773911040,38ptp4l401ktimersoftd/320:23:573
251792790,2sleep20-21swapper/220:39:452
73162750,2sleep10-21swapper/100:09:531
177391700,1ptp4l401ktimersoftd/300:16:303
177391670,9ptp4l401ktimersoftd/301:54:113
63132640,3sleep36315-21unixbench_singl00:45:043
213702640,3sleep21608899cyclictest23:49:462
161712640,2sleep10-21swapper/101:34:481
300422620,2sleep10-21swapper/121:59:291
319452610,3sleep10-21swapper/100:00:051
270212600,4sleep21608899cyclictest21:49:592
177391600,1ptp4l401ktimersoftd/322:35:193
16088996026,9cyclictest33-21ksoftirqd/201:34:542
227292570,3sleep322732-21irqrtprio20:34:443
177391570,1ptp4l401ktimersoftd/300:34:063
16088995725,8cyclictest33-21ksoftirqd/223:19:472
16088995626,6cyclictest33-21ksoftirqd/222:34:502
16088995625,8cyclictest33-21ksoftirqd/201:49:582
16088995624,11cyclictest33-21ksoftirqd/221:54:452
16088995527,4cyclictest33-21ksoftirqd/201:29:542
16088995525,9cyclictest33-21ksoftirqd/200:14:482
251632540,1sleep30-21swapper/301:07:283
16088995424,17cyclictest33-21ksoftirqd/200:50:022
16088995424,17cyclictest33-21ksoftirqd/200:50:022
16088995423,5cyclictest33-21ksoftirqd/222:09:522
16088995325,4cyclictest33-21ksoftirqd/221:24:282
16088995324,4cyclictest33-21ksoftirqd/223:14:312
16088995322,9cyclictest33-21ksoftirqd/223:44:512
16088995322,11cyclictest33-21ksoftirqd/201:48:462
16088995225,9cyclictest33-21ksoftirqd/222:45:072
16088995224,5cyclictest33-21ksoftirqd/223:44:322
16088995224,4cyclictest33-21ksoftirqd/221:39:502
16088995224,10cyclictest33-21ksoftirqd/223:09:302
16088995224,10cyclictest33-21ksoftirqd/223:09:302
16088995223,10cyclictest33-21ksoftirqd/222:29:502
16088995222,10cyclictest33-21ksoftirqd/222:49:482
16088995221,9cyclictest33-21ksoftirqd/200:35:402
16088995221,8cyclictest33-21ksoftirqd/223:15:042
1608899517,7cyclictest33-21ksoftirqd/220:29:272
16088995124,9cyclictest33-21ksoftirqd/220:29:392
16088995123,4cyclictest33-21ksoftirqd/200:29:562
16088995123,10cyclictest33-21ksoftirqd/201:19:472
16088995121,9cyclictest33-21ksoftirqd/200:27:452
233902500,2sleep30-21swapper/300:29:303
177391500,1ptp4l401ktimersoftd/300:11:283
16088995023,9cyclictest33-21ksoftirqd/223:59:452
16088995023,5cyclictest33-21ksoftirqd/221:34:502
16088995022,4cyclictest33-21ksoftirqd/201:40:332
16088995022,10cyclictest33-21ksoftirqd/222:40:012
16088995022,10cyclictest33-21ksoftirqd/221:14:422
16088995022,10cyclictest33-21ksoftirqd/221:14:422
16088995021,8cyclictest33-21ksoftirqd/223:01:422
16088995021,8cyclictest33-21ksoftirqd/223:01:422
16088995021,8cyclictest33-21ksoftirqd/201:06:492
16088995021,5cyclictest33-21ksoftirqd/200:45:032
16088995020,10cyclictest33-21ksoftirqd/222:25:132
156612503,35sleep20-21swapper/220:20:292
16088994921,6cyclictest33-21ksoftirqd/221:49:292
16088994921,4cyclictest33-21ksoftirqd/223:36:572
16088994921,10cyclictest33-21ksoftirqd/200:04:502
16088994920,10cyclictest33-21ksoftirqd/201:17:282
16088994920,10cyclictest33-21ksoftirqd/200:43:572
16088994920,10cyclictest33-21ksoftirqd/200:43:572
16088994919,9cyclictest33-21ksoftirqd/222:55:292
16088994919,8cyclictest33-21ksoftirqd/201:04:182
16088994919,8cyclictest33-21ksoftirqd/200:57:482
177391480,1ptp4l401ktimersoftd/300:39:293
16088994819,9cyclictest33-21ksoftirqd/200:10:172
16088994819,8cyclictest33-21ksoftirqd/223:24:482
16088994819,10cyclictest33-21ksoftirqd/223:34:142
16088994819,10cyclictest33-21ksoftirqd/200:22:582
16088994818,8cyclictest33-21ksoftirqd/201:09:412
155182480,4sleep315522-21fschecks_time00:19:503
16088994720,9cyclictest33-21ksoftirqd/222:19:492
128732470,2sleep30-21swapper/322:27:253
1608899465,7cyclictest33-21ksoftirqd/223:59:322
16088994636,3cyclictest33-21ksoftirqd/221:24:492
16088994625,9cyclictest33-21ksoftirqd/201:24:582
16088994614,9cyclictest33-21ksoftirqd/221:09:272
16088994536,3cyclictest33-21ksoftirqd/220:44:492
16088994533,3cyclictest33-21ksoftirqd/222:14:522
16088994518,9cyclictest33-21ksoftirqd/220:54:382
16088994518,10cyclictest33-21ksoftirqd/221:59:452
16088994516,8cyclictest33-21ksoftirqd/222:05:472
177391440,1ptp4l401ktimersoftd/321:09:503
1608899446,7cyclictest33-21ksoftirqd/220:49:552
16088994418,9cyclictest33-21ksoftirqd/221:00:072
1608899435,6cyclictest33-21ksoftirqd/221:09:512
1608899414,2cyclictest121rcu_preempt20:34:412
16088994030,3cyclictest33-21ksoftirqd/221:29:402
177391390,1ptp4l401ktimersoftd/323:25:163
177391390,1ptp4l401ktimersoftd/323:06:343
177391390,1ptp4l401ktimersoftd/323:06:343
177391390,1ptp4l401ktimersoftd/322:45:163
177391390,1ptp4l401ktimersoftd/321:04:533
177391390,1ptp4l401ktimersoftd/301:49:173
177391380,1ptp4l401ktimersoftd/323:48:403
177391380,1ptp4l401ktimersoftd/323:38:533
177391380,1ptp4l401ktimersoftd/323:02:243
177391380,1ptp4l401ktimersoftd/323:02:243
177391380,1ptp4l401ktimersoftd/322:54:453
177391380,1ptp4l401ktimersoftd/301:41:463
177391380,1ptp4l401ktimersoftd/300:00:173
177391380,0ptp4l401ktimersoftd/323:23:413
152662383,21sleep013837-21/usr/sbin/munin20:19:540
177391370,1ptp4l401ktimersoftd/323:55:013
177391370,1ptp4l401ktimersoftd/323:29:573
177391370,1ptp4l401ktimersoftd/323:10:443
177391370,1ptp4l401ktimersoftd/301:17:503
177391370,1ptp4l401ktimersoftd/300:42:513
177391370,1ptp4l401ktimersoftd/300:42:513
177391370,1ptp4l401ktimersoftd/300:05:203
299282360,5sleep01607599cyclictest23:21:260
177391360,1ptp4l401ktimersoftd/300:52:373
177391360,1ptp4l401ktimersoftd/300:52:373
177391360,0ptp4l401ktimersoftd/301:03:253
177391350,1ptp4l401ktimersoftd/323:54:263
177391350,1ptp4l401ktimersoftd/322:50:033
177391350,1ptp4l401ktimersoftd/321:44:493
16080993521,4cyclictest25-21ksoftirqd/100:26:391
177391340,2ptp4l7301-21kworker/3:122:30:123
177391340,1ptp4l401ktimersoftd/323:40:523
177391340,1ptp4l401ktimersoftd/322:43:383
177391340,1ptp4l401ktimersoftd/321:39:463
177391340,1ptp4l401ktimersoftd/320:59:553
177391330,1ptp4l401ktimersoftd/321:54:523
177391330,1ptp4l401ktimersoftd/321:29:493
177391330,1ptp4l401ktimersoftd/300:58:253
177391330,0ptp4l401ktimersoftd/322:14:373
16080993318,5cyclictest25-21ksoftirqd/120:59:471
177391320,1ptp4l401ktimersoftd/301:09:453
177391320,0ptp4l401ktimersoftd/301:38:323
16080993226,3cyclictest25-21ksoftirqd/122:34:291
1608099322,3cyclictest121rcu_preempt23:29:581
16080993216,4cyclictest25-21ksoftirqd/101:34:231
16075993225,4cyclictest9-21ksoftirqd/020:29:390
177391310,1ptp4l401ktimersoftd/320:46:573
177391310,1ptp4l401ktimersoftd/320:33:233
177391310,0ptp4l401ktimersoftd/322:19:423
177391300,1ptp4l401ktimersoftd/321:49:473
177391300,1ptp4l401ktimersoftd/321:38:333
177391300,1ptp4l401ktimersoftd/321:28:493
177391300,1ptp4l401ktimersoftd/321:19:013
177391300,1ptp4l401ktimersoftd/321:19:013
177391300,0ptp4l401ktimersoftd/322:08:523
16080993024,3cyclictest25-21ksoftirqd/101:49:541
16075993025,3cyclictest9-21ksoftirqd/023:34:310
16075993025,3cyclictest28698-1kworker/u9:001:14:040
16075993024,3cyclictest9-21ksoftirqd/020:29:270
319642290,3sleep0121rcu_preempt22:49:270
177391290,1ptp4l401ktimersoftd/301:32:393
16093992922,4cyclictest41-21ksoftirqd/320:49:383
16093992922,4cyclictest13083-21md.daily21:20:533
16080992924,3cyclictest25-21ksoftirqd/123:04:301
16080992924,3cyclictest25-21ksoftirqd/123:04:301
16075992923,3cyclictest9-21ksoftirqd/000:59:380
261072280,4sleep0101ktimersoftd/022:41:470
16093992822,3cyclictest41-21ksoftirqd/320:54:383
16080992821,4cyclictest25-21ksoftirqd/121:33:361
16080992821,4cyclictest25-21ksoftirqd/120:42:531
16080992821,4cyclictest25-21ksoftirqd/100:21:011
1607599289,5cyclictest17873-21grep23:44:560
16075992823,3cyclictest9-21ksoftirqd/021:29:280
16075992823,3cyclictest9-21ksoftirqd/000:54:330
16075992823,3cyclictest9-21ksoftirqd/000:54:330
16075992823,3cyclictest9-21ksoftirqd/000:44:530
16075992822,3cyclictest9-21ksoftirqd/023:00:110
16075992822,3cyclictest9-21ksoftirqd/023:00:110
16075992822,3cyclictest9-21ksoftirqd/022:21:550
16075992822,3cyclictest9-21ksoftirqd/021:00:570
16075992822,3cyclictest9-21ksoftirqd/001:49:520
16075992821,4cyclictest9-21ksoftirqd/023:14:490
16075992821,4cyclictest9-21ksoftirqd/021:35:230
16075992821,4cyclictest9-21ksoftirqd/021:22:230
16075992821,4cyclictest9-21ksoftirqd/020:47:100
177391270,0ptp4l401ktimersoftd/322:11:533
16080992722,3cyclictest25-21ksoftirqd/123:36:351
16080992722,3cyclictest25-21ksoftirqd/123:22:491
16080992722,3cyclictest25-21ksoftirqd/123:14:491
16080992722,3cyclictest25-21ksoftirqd/100:49:531
16080992722,3cyclictest25-21ksoftirqd/100:49:531
16080992720,4cyclictest25-21ksoftirqd/120:25:551
16080992720,4cyclictest25-21ksoftirqd/101:45:041
16080992712,5cyclictest25-21ksoftirqd/101:09:591
1607599273,3cyclictest121rcu_preempt00:06:350
1607599272,3cyclictest121rcu_preempt00:26:390
16075992722,3cyclictest9-21ksoftirqd/022:54:480
16075992721,4cyclictest9-21ksoftirqd/000:19:500
16075992721,3cyclictest9-21ksoftirqd/020:52:190
16093992621,3cyclictest41-21ksoftirqd/301:29:343
16080992621,3cyclictest25-21ksoftirqd/123:28:581
16080992621,3cyclictest25-21ksoftirqd/121:16:371
16080992621,3cyclictest25-21ksoftirqd/121:16:371
16080992620,4cyclictest25-21ksoftirqd/101:05:291
16080992620,3cyclictest25-21ksoftirqd/120:32:521
16075992621,3cyclictest9-21ksoftirqd/021:14:270
16075992621,3cyclictest9-21ksoftirqd/001:08:560
16075992620,3cyclictest9-21ksoftirqd/021:54:500
16075992619,4cyclictest9-21ksoftirqd/001:31:340
16093992519,3cyclictest41-21ksoftirqd/322:01:193
16093992519,3cyclictest41-21ksoftirqd/320:26:183
16080992520,3cyclictest25-21ksoftirqd/101:14:581
16080992520,3cyclictest25-21ksoftirqd/100:44:471
16080992519,4cyclictest25-21ksoftirqd/121:45:361
16080992519,4cyclictest25-21ksoftirqd/120:35:431
16080992519,3cyclictest25-21ksoftirqd/122:09:451
16080992519,3cyclictest25-21ksoftirqd/121:34:391
16080992519,3cyclictest25-21ksoftirqd/121:25:511
16080992518,4cyclictest25-21ksoftirqd/121:24:231
16075992519,3cyclictest9-21ksoftirqd/022:11:240
16075992519,3cyclictest9-21ksoftirqd/001:39:570
16075992518,4cyclictest9-21ksoftirqd/020:59:020
16075992518,4cyclictest9-21ksoftirqd/020:39:380
16075992518,4cyclictest9-21ksoftirqd/020:37:180
226402240,20sleep19459-21diskmemload22:38:521
177391240,1ptp4l401ktimersoftd/323:14:453
177391240,1ptp4l401ktimersoftd/320:39:413
177391240,1ptp4l401ktimersoftd/301:19:463
1608099243,9cyclictest25597-21apt-get23:54:471
16080992419,3cyclictest25-21ksoftirqd/123:04:451
16080992419,3cyclictest25-21ksoftirqd/123:04:451
16080992419,3cyclictest25-21ksoftirqd/121:59:481
16080992419,3cyclictest227-21systemd-journal00:19:311
16080992418,4cyclictest25-21ksoftirqd/120:58:391
16080992418,4cyclictest25-21ksoftirqd/100:07:441
16080992418,3cyclictest25-21ksoftirqd/120:52:161
16080992417,5cyclictest25-21ksoftirqd/100:33:461
16080992417,4cyclictest25-21ksoftirqd/121:07:221
1608099241,4cyclictest20948-21grep21:39:421
16075992419,3cyclictest9-21ksoftirqd/023:59:320
16075992419,3cyclictest9-21ksoftirqd/023:29:310
16075992419,3cyclictest9-21ksoftirqd/023:04:490
16075992419,3cyclictest9-21ksoftirqd/023:04:490
16075992419,3cyclictest9-21ksoftirqd/001:24:480
16075992419,3cyclictest9-21ksoftirqd/000:11:590
16075992418,3cyclictest9-21ksoftirqd/023:51:050
16075992418,3cyclictest9-21ksoftirqd/021:14:460
16075992418,3cyclictest9-21ksoftirqd/021:14:460
16075992417,4cyclictest9-21ksoftirqd/021:04:410
16080992318,3cyclictest25-21ksoftirqd/122:54:301
16080992318,3cyclictest25-21ksoftirqd/122:24:451
16080992317,4cyclictest25-21ksoftirqd/101:19:531
16080992317,3cyclictest25-21ksoftirqd/120:45:561
16080992316,4cyclictest25-21ksoftirqd/123:49:051
16080992316,4cyclictest25-21ksoftirqd/101:02:001
16080992310,4cyclictest46950irq/101-ens3-Tx22:54:591
16075992318,3cyclictest9-21ksoftirqd/023:34:450
16075992318,3cyclictest9-21ksoftirqd/022:34:520
16075992318,3cyclictest9-21ksoftirqd/022:34:290
16075992318,3cyclictest9-21ksoftirqd/001:34:530
16075992317,3cyclictest9-21ksoftirqd/022:01:010
16075992317,3cyclictest9-21ksoftirqd/000:39:170
16075992316,4cyclictest9-21ksoftirqd/001:16:120
16075992315,4cyclictest101ktimersoftd/000:39:450
16075992315,4cyclictest101ktimersoftd/000:39:450
1608099229,3cyclictest25-21ksoftirqd/122:39:521
16080992217,3cyclictest25-21ksoftirqd/123:39:491
16080992217,3cyclictest25-21ksoftirqd/101:25:261
16080992216,4cyclictest25-21ksoftirqd/121:52:181
16080992215,4cyclictest30413-21chrt22:46:261
16080992215,4cyclictest25-21ksoftirqd/122:05:391
16075992217,3cyclictest9-21ksoftirqd/023:09:560
16075992217,3cyclictest9-21ksoftirqd/000:55:490
16075992216,4cyclictest9-21ksoftirqd/022:24:590
16075992216,3cyclictest9-21ksoftirqd/021:48:400
16075992216,3cyclictest9-21ksoftirqd/021:43:150
16080992115,4cyclictest25-21ksoftirqd/123:51:261
16080992115,4cyclictest25-21ksoftirqd/100:40:021
16080992115,4cyclictest25-21ksoftirqd/100:40:021
16080992113,6cyclictest25-21ksoftirqd/100:58:181
16075992115,3cyclictest9-21ksoftirqd/021:34:020
16075992114,4cyclictest9-21ksoftirqd/022:15:380
16075992112,5cyclictest9459-21diskmemload23:59:460
16080992015,3cyclictest25-21ksoftirqd/123:09:531
16080992015,3cyclictest25-21ksoftirqd/101:40:561
16080992014,3cyclictest6985-21grep21:09:461
16080992014,3cyclictest25-21ksoftirqd/122:19:511
16080992014,3cyclictest25-21ksoftirqd/100:34:521
16075992015,3cyclictest9-21ksoftirqd/023:39:460
16075992015,3cyclictest9-21ksoftirqd/001:44:510
16075992015,3cyclictest9-21ksoftirqd/001:19:500
16075992014,3cyclictest9-21ksoftirqd/021:51:530
16075992014,3cyclictest20382-1kworker/u9:122:49:590
16075992013,4cyclictest10706-21/usr/sbin/munin00:14:480
16080991913,3cyclictest25-21ksoftirqd/122:17:301
16075991914,3cyclictest9-21ksoftirqd/022:04:540
16075991813,3cyclictest9-21ksoftirqd/000:29:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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