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2025-11-27 - 15:16
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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 rackeslot4.osadl.org (updated Thu Nov 27, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2490264993912,24cyclictest2495726-21sshd19:15:123
249025499311,21cyclictest2736470-21apt-get22:55:130
2490262992825,2cyclictest2767657-21dump-pmu-power23:20:002
2490254992824,3cyclictest2749556-21/usr/sbin/munin23:05:150
249025799272,21cyclictest2806134-21apt-get23:50:151
2490257992720,5cyclictest3471731-21systemd-journal21:30:001
249025799271,24cyclictest2500344-21cron19:20:001
249025799271,22cyclictest2561976-21apt-get20:20:101
249025799271,20cyclictest191rcu_preempt23:37:201
2490257992623,2cyclictest0-21swapper/122:05:121
2490257992619,3cyclictest2515851-21apt-get19:35:131
249025799260,23cyclictest2631970-21cut21:30:171
249025799260,23cyclictest2546292-21chrt20:05:131
249026499252,22cyclictest2787201-21apt-get23:35:123
249026499250,23cyclictest2594276-21grep21:00:173
249026299252,3cyclictest2676491-21cut22:05:182
2490262992522,2cyclictest2786500-21apt-key23:35:002
249026299252,21cyclictest2635758-21gltestperf21:35:142
249026299252,21cyclictest2541168-21apt-get20:00:142
2490262992520,3cyclictest2844691-21apt-get00:20:122
2490262992520,3cyclictest2832109-21apt-get00:10:122
249026299251,22cyclictest2652214-21ntp_states21:45:232
249026299251,21cyclictest2583598-21apt-get20:50:112
2490257992519,4cyclictest2799512-21basename23:45:001
249025799251,21cyclictest2603684-21diskmemload23:05:131
249025799251,21cyclictest0-21swapper/121:50:151
249025799250,21cyclictest2666910-21ssh22:00:131
2490254992520,3cyclictest2520948-21apt-get19:40:120
249026499242,21cyclictest2551813-21apt-get20:10:133
2490264992420,2cyclictest2578545-21apt-get20:45:123
2490264992418,4cyclictest2673185-21sed22:05:013
249026499241,20cyclictest2749041-21apt-get23:05:123
249026499240,20cyclictest0-21swapper/300:10:113
249026299243,20cyclictest0-21swapper/222:18:032
2490262992422,1cyclictest391rcuc/223:45:162
2490262992419,3cyclictest2759177-21memory23:10:182
249026299241,3cyclictest2632006-21kthreadcore21:30:172
249026299241,21cyclictest3471731-21systemd-journal23:00:002
249026299241,21cyclictest2825835-21apt-get00:05:122
249026299241,21cyclictest2679954-21apt-get22:10:132
249026299240,23cyclictest2723891-21taskset22:45:122
2490257992420,3cyclictest2830538-21diskmemload00:05:571
2490257992420,2cyclictest2567671-21apt-get20:30:081
2490257992420,2cyclictest2490470-21apt-get19:10:131
2490257992419,3cyclictest2867618-21ntpq00:35:241
249025799241,3cyclictest2686231-21apt-get22:15:111
249025799241,3cyclictest2603684-21diskmemload21:56:571
249025799241,3cyclictest2603684-21diskmemload21:56:571
249025799241,21cyclictest2603684-21diskmemload00:17:141
249025799241,20cyclictest2635411-21apt-get21:35:111
249025799241,20cyclictest2603684-21diskmemload23:25:061
249025799241,20cyclictest0-21swapper/100:10:171
249025799240,23cyclictest2748412-21ssh23:04:001
249025799240,22cyclictest2603684-21diskmemload21:42:161
249025799240,21cyclictest2812752-21ssh23:55:031
249025799240,20cyclictest0-21swapper/123:10:121
249025499242,21cyclictest64-21kcompactd021:58:260
249025499242,21cyclictest64-21kcompactd021:58:250
2490254992422,1cyclictest0-21swapper/022:04:500
249025499242,20cyclictest2622835-21apt-get21:25:110
2490254992420,2cyclictest2761618-21apt-get23:15:110
2490254992420,2cyclictest2546289-21apt-get20:05:120
2490254992420,2cyclictest2500625-21apt-get19:20:140
249025499241,21cyclictest2692513-21apt-get22:20:120
249025499241,21cyclictest2603684-21diskmemload21:15:570
249025499240,20cyclictest0-21swapper/021:30:110
249026499231,20cyclictest2603684-21diskmemload23:59:263
249026499230,22cyclictest2829720-21ssh00:05:193
249026499230,22cyclictest2778780-21ssh23:25:273
249026499230,21cyclictest2797585-21ld23:40:193
249026499230,20cyclictest2786835-21apt-config23:35:003
249026499230,20cyclictest0-21swapper/323:00:113
249026499230,20cyclictest0-21swapper/321:25:113
2490262992319,2cyclictest2730158-21ssh22:50:122
249026299231,3cyclictest2704799-21munin-run22:30:002
249026299231,2cyclictest2603684-21diskmemload21:41:272
249026299231,2cyclictest2531559-21cut19:50:162
249026299231,2cyclictest0-21swapper/220:40:082
249026299231,20cyclictest2603985-21apt-get21:10:122
249026299231,20cyclictest2603684-21diskmemload23:58:192
249026299231,20cyclictest2603684-21diskmemload23:44:062
249026299231,20cyclictest2603684-21diskmemload23:23:252
249026299231,20cyclictest2603684-21diskmemload22:35:182
249026299231,19cyclictest0-21swapper/220:30:072
249026299230,3cyclictest2551495-21apt-config20:10:012
2490257992319,3cyclictest2653373-21rm21:47:481
2490257992319,2cyclictest2573418-21apt-get20:40:081
249025799231,2cyclictest2851004-21apt-get00:25:141
249025799231,2cyclictest2851004-21apt-get00:25:131
249025799231,2cyclictest2603684-21diskmemload22:25:171
249025799231,2cyclictest0-21swapper/120:45:121
249025799231,21cyclictest2603684-21diskmemload23:49:391
249025799231,21cyclictest2603684-21diskmemload22:36:371
249025799231,21cyclictest0-21swapper/122:30:331
249025799231,20cyclictest2603684-21diskmemload23:30:111
249025799231,20cyclictest2603684-21diskmemload21:11:201
249025799231,20cyclictest0-21swapper/100:21:101
249025799231,19cyclictest2603684-21diskmemload21:20:071
249025799230,22cyclictest2685270-21ssh22:12:531
249025799230,21cyclictest2588442-21idleruntime-cro20:55:001
249025799230,20cyclictest0-21swapper/122:40:101
249025799230,19cyclictest0-21swapper/119:40:121
249025499231,2cyclictest2857269-21apt-get00:30:120
249025499231,2cyclictest2832503-21hddtemp_smartct00:10:150
249025499231,2cyclictest2531057-21apt-get19:50:130
249025499231,21cyclictest2838378-21apt-get00:15:120
249025499231,21cyclictest2767958-21apt-get23:20:100
249025499231,21cyclictest2603684-21diskmemload22:37:210
249025499231,21cyclictest2603684-21diskmemload00:20:500
249025499231,20cyclictest2723887-21apt-get22:45:120
249025499231,20cyclictest0-21swapper/023:10:120
249025499230,3cyclictest2722771-21ssh22:42:270
249025499230,3cyclictest2685814-21ssh22:14:440
249025499230,22cyclictest2869218-21ssh00:39:080
249025499230,22cyclictest2604187-21ssh21:10:140
2490264992219,2cyclictest2804733-21ssh23:46:363
2490264992219,2cyclictest2634129-21ssh21:31:543
2490264992219,2cyclictest2603684-21diskmemload23:21:443
2490264992219,2cyclictest2603684-21diskmemload00:33:073
2490264992219,2cyclictest0-21swapper/321:38:413
2490264992219,1cyclictest2838292-21ssh00:15:003
2490264992218,3cyclictest2616699-21grep21:20:123
249026499221,2cyclictest2603684-21diskmemload22:57:023
249026499221,20cyclictest64-21kcompactd022:52:233
249026499221,20cyclictest2603684-21diskmemload22:46:213
249026499221,20cyclictest2603684-21diskmemload22:28:073
249026499221,20cyclictest2603684-21diskmemload22:12:533
249026499221,20cyclictest0-21swapper/322:09:423
249026499221,20cyclictest0-21swapper/321:19:083
249026499221,1cyclictest2603684-21diskmemload22:34:153
249026499220,3cyclictest2641694-21ssh21:40:083
249026499220,21cyclictest2845566-21irqcore00:20:173
249026499220,21cyclictest2603684-21diskmemload23:10:473
249026499220,21cyclictest2603684-21diskmemload00:25:483
249026499220,21cyclictest2603684-21diskmemload00:25:483
249026499220,20cyclictest0-21swapper/322:40:103
249026499220,19cyclictest0-21swapper/321:45:113
249026499220,19cyclictest0-21swapper/300:35:063
2490262992219,2cyclictest2819504-21ssh00:00:042
2490262992219,2cyclictest2603684-21diskmemload21:18:202
2490262992219,2cyclictest0-21swapper/219:45:112
2490262992219,2cyclictest0-21swapper/219:25:122
2490262992219,2cyclictest0-21swapper/219:25:112
2490262992219,2cyclictest0-21swapper/219:15:192
2490262992218,3cyclictest2708952-21ssh22:30:222
249026299221,2cyclictest0-21swapper/223:27:342
249026299221,20cyclictest2603684-21diskmemload21:23:332
249026299221,20cyclictest0-21swapper/222:20:112
249026299221,20cyclictest0-21swapper/221:25:112
249026299221,20cyclictest0-21swapper/200:33:362
249026299221,1cyclictest2603684-21diskmemload21:55:422
249026299221,1cyclictest2603684-21diskmemload21:55:422
249026299221,1cyclictest2603684-21diskmemload00:35:372
249026299221,1cyclictest0-21swapper/223:06:262
249026299221,19cyclictest0-21swapper/222:40:012
249026299220,2cyclictest391rcuc/219:15:002
249026299220,2cyclictest2742740-21ssh23:00:112
249026299220,2cyclictest2654440-21ssh21:50:122
249026299220,21cyclictest2841854-21ssh00:15:192
249026299220,20cyclictest2806497-21head23:50:172
2490257992219,2cyclictest2603684-21diskmemload00:30:251
2490257992219,1cyclictest0-21swapper/123:15:061
249025799221,2cyclictest2603684-21diskmemload22:58:031
249025799221,20cyclictest0-21swapper/120:10:141
249025799221,1cyclictest2588697-21apt-get20:55:111
249025799221,1cyclictest0-21swapper/119:25:111
249025799221,1cyclictest0-21swapper/119:25:111
249025799220,2cyclictest2697433-21ssh22:21:431
249025799220,2cyclictest2611618-21cut21:15:161
249025799220,21cyclictest2734132-21ssh22:50:201
249025799220,21cyclictest0-21swapper/122:45:421
249025799220,21cyclictest0-21swapper/100:00:031
249025799220,20cyclictest0-21swapper/119:50:121
2490254992219,2cyclictest2705109-21apt-get22:30:150
2490254992219,2cyclictest2603684-21diskmemload23:34:410
2490254992219,2cyclictest2603684-21diskmemload21:24:570
2490254992219,2cyclictest2495563-21apt-get19:15:120
2490254992219,2cyclictest0-21swapper/020:55:110
2490254992218,3cyclictest2639774-21timerandwakeup21:35:230
249025499221,2cyclictest2819569-21apt-get00:00:120
249025499221,20cyclictest2603684-21diskmemload23:54:120
249025499221,20cyclictest2603684-21diskmemload23:29:280
249025499221,20cyclictest0-21swapper/020:40:080
249025499221,20cyclictest0-21swapper/020:15:130
249025499221,1cyclictest2603684-21diskmemload22:26:280
249025499221,1cyclictest2603684-21diskmemload22:05:490
249025499221,19cyclictest2603684-21diskmemload21:48:070
249025499220,2cyclictest2603684-21diskmemload22:18:230
249025499220,2cyclictest171ktimers/023:01:530
249025499220,21cyclictest2792080-21ssh23:36:230
249025499220,20cyclictest27940122sleep023:40:140
249025499220,20cyclictest2603684-21diskmemload21:43:230
249025499220,19cyclictest0-21swapper/021:50:060
2490264992118,1cyclictest0-21swapper/319:30:123
249026499211,1cyclictest0-21swapper/322:35:123
249026499210,2cyclictest2609083-21sh21:12:123
249026499210,20cyclictest0-21swapper/321:56:403
249026499210,20cyclictest0-21swapper/321:56:403
249026499210,20cyclictest0-21swapper/321:50:113
249026499210,19cyclictest2692469-21sh22:20:053
249026499210,19cyclictest0-21swapper/323:15:113
249026499210,19cyclictest0-21swapper/322:15:013
249026499210,19cyclictest0-21swapper/319:50:123
2490262992119,1cyclictest0-21swapper/219:35:132
2490262992118,2cyclictest0-21swapper/200:25:332
2490262992118,2cyclictest0-21swapper/200:25:322
2490262992118,1cyclictest0-21swapper/223:35:412
2490262992117,2cyclictest2501111-21ps19:20:192
2490262992116,3cyclictest2602782-21ntpq21:05:202
249026299211,1cyclictest0-21swapper/220:25:502
249026299211,19cyclictest2670931-21ntpq22:00:222
249026299210,2cyclictest64-21kcompactd020:59:422
249026299210,20cyclictest2552304-21irqcore20:10:172
249026299210,1cyclictest0-21swapper/220:20:592
2490257992118,2cyclictest2510773-21apt-get19:30:121
249025799210,20cyclictest0-21swapper/123:21:051
249025799210,20cyclictest0-21swapper/119:58:571
2490254992119,1cyclictest0-21swapper/020:20:110
2490254992119,1cyclictest0-21swapper/019:46:020
2490254992119,1cyclictest0-21swapper/019:39:030
2490254992118,2cyclictest2603684-21diskmemload23:47:560
2490254992118,2cyclictest0-21swapper/020:00:000
2490254992117,2cyclictest2588421-21cron20:55:000
249025499210,20cyclictest2603684-21diskmemload00:05:440
249025499210,20cyclictest0-21swapper/022:50:040
249025499210,1cyclictest0-21swapper/023:55:120
2490264992018,1cyclictest0-21swapper/320:30:083
2490264992018,1cyclictest0-21swapper/319:35:133
2490264992017,2cyclictest0-21swapper/319:10:123
249026499200,2cyclictest0-21swapper/320:27:583
249026499200,1cyclictest64-21kcompactd020:24:453
249026499200,1cyclictest0-21swapper/320:50:113
249026499200,1cyclictest0-21swapper/320:05:123
249026299200,1cyclictest2579028-21ps20:45:162
2490257992018,1cyclictest0-21swapper/120:27:591
2490257992017,2cyclictest64-21kcompactd020:17:461
249025799200,1cyclictest64-21kcompactd019:20:461
249025799200,1cyclictest0-21swapper/120:00:141
2490254992018,1cyclictest64-21kcompactd020:12:560
249025499200,1cyclictest0-21swapper/021:00:110
249025499200,1cyclictest0-21swapper/020:48:560
249025499200,1cyclictest0-21swapper/020:30:070
249025499200,19cyclictest0-21swapper/020:38:120
249025499200,19cyclictest0-21swapper/019:55:140
249025499200,19cyclictest0-21swapper/019:25:370
249025499200,19cyclictest0-21swapper/019:25:370
2490264991917,1cyclictest64-21kcompactd020:40:533
2490264991917,1cyclictest0-21swapper/320:55:113
2490264991917,1cyclictest0-21swapper/320:15:133
249026499190,1cyclictest0-21swapper/319:21:193
249026499190,19cyclictest0-21swapper/319:45:313
2490262991915,2cyclictest0-21swapper/219:55:172
2490257991916,2cyclictest0-21swapper/121:01:511
2490257991913,4cyclictest2573144-21cron20:40:011
2490264991817,1cyclictest0-21swapper/321:09:553
2490264991816,1cyclictest0-21swapper/319:25:123
2490264991816,1cyclictest0-21swapper/319:25:113
2490257991815,1cyclictest0-21swapper/121:05:121
2490264991715,1cyclictest0-21swapper/319:55:423
2490264991715,1cyclictest0-21swapper/319:42:163
2490262991714,2cyclictest0-21swapper/219:30:122
2490254991715,1cyclictest0-21swapper/021:05:200
2490264991614,1cyclictest64-21kcompactd020:39:163
249026299165,2cyclictest0-21swapper/220:40:012
2490257991610,4cyclictest2530780-21cron19:50:001
2490254991613,2cyclictest245621450irq/127-enp0s29f1:rx-020:27:560
2490254991613,2cyclictest245621450irq/127-enp0s29f1:rx-019:30:160
2490254991612,3cyclictest2495306-21turbostat19:15:000
2490262991514,1cyclictest0-21swapper/220:15:182
2490264991310,2cyclictest0-21swapper/320:00:213
2490262991310,2cyclictest2521324-21gltestperf19:40:142
249026299127,3cyclictest2597725-21ntpq21:00:212
24902579990,8cyclictest2490178-21latency_hist19:10:001
24902649983,4cyclictest2490356-21latency_hist19:10:013
24902549981,5cyclictest2490178-21latency_hist19:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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