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2026-08-02 - 10:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rackeslot2.osadl.org (updated Sun Aug 02, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301374421100,2sleep03013741-21ssh23:51:210
269886721100,1sleep00-21swapper/020:10:020
27937022610,1sleep12793701-21ssh21:24:291
30661222560,1sleep13066121-21ssh00:28:141
2622897993624,6cyclictest0-21swapper/219:55:322
2622896992819,2cyclictest69250irq/121-eno121:35:031
2622896992623,2cyclictest0-21swapper/123:55:021
30700652250,0sleep03070068-21cut00:30:530
2622895992518,6cyclictest2893165-21kthreadcore22:30:550
2622896992414,3cyclictest1141-21ntpd23:30:321
262289599243,12cyclictest759-1atopacctd21:10:320
2622896992320,2cyclictest2629566-21latency19:15:021
262289599231,8cyclictest3033495-21cut00:05:590
1157598230,6rtkit-daemon36-21ksoftirqd/123:04:001
28224522220,2sleep20-21swapper/221:42:092
2622897992220,1cyclictest0-21swapper/221:35:032
2622897992219,1cyclictest0-21swapper/223:05:022
2622895992218,3cyclictest0-21swapper/019:35:010
2622895992213,5cyclictest0-21swapper/022:40:410
28287932210,1sleep12828795-21grub-editenv21:45:571
2622897992118,1cyclictest0-21swapper/219:55:022
3240591201,5phc2sys0-21swapper/319:05:313
2622897992018,1cyclictest0-21swapper/223:33:392
262289699209,3cyclictest0-21swapper/122:27:511
2622896992018,1cyclictest0-21swapper/100:05:021
262289599208,4cyclictest2875562-21ssh22:20:300
2622895992018,1cyclictest2889818-21awk22:30:010
2622895992015,1cyclictest617-21hwrng21:50:240
1157598200,3rtkit-daemon1053-21snmpd00:38:071
1157598200,2rtkit-daemon1309-21mta-sts-daemon19:16:411
3240591192,2phc2sys0-21swapper/300:20:363
2622897991917,1cyclictest0-21swapper/223:30:022
2622897991916,1cyclictest0-21swapper/223:15:012
2622897991916,1cyclictest0-21swapper/222:35:012
2622897991916,1cyclictest0-21swapper/222:25:022
2622896991916,2cyclictest2816138-21sh21:40:021
2622896991914,1cyclictest1157598rtkit-daemon22:42:081
262289599199,2cyclictest684-21systemd-logind19:25:020
262289599197,8cyclictest3004037-21grep23:45:550
262289599192,16cyclictest0-21swapper/022:55:030
2622895991916,2cyclictest2771854-21cron21:10:010
2622895991915,3cyclictest2981564-21kthreadcore23:30:550
2622895991913,4cyclictest690-21rs:main0
2622897991816,1cyclictest0-21swapper/220:35:022
2622897991816,1cyclictest0-21swapper/219:15:022
2622897991816,1cyclictest0-21swapper/200:10:022
262289799181,10cyclictest0-21swapper/220:00:312
2622896991815,2cyclictest2947312-21grep23:06:011
2622896991815,2cyclictest2873387-21mailstats22:15:591
2622896991814,2cyclictest0-21swapper/123:40:011
262289599188,6cyclictest2968719-21kthreadcore23:20:580
262289599188,5cyclictest0-21swapper/023:35:520
262289599184,4cyclictest2806499-21/usr/sbin/munin21:30:530
2622895991816,1cyclictest2831000-21latency_hist21:50:030
2622895991815,2cyclictest3044691-21sh00:15:010
2622895991815,2cyclictest2922273-21kthreadcore22:50:540
2622895991815,2cyclictest2741609-21systemd20:45:010
2622895991815,2cyclictest2723007-21dump-pmu-power20:30:000
2622895991814,3cyclictest688-21in:imuxsock20:55:020
2622895991813,4cyclictest2700702-21kthreadcore20:10:560
262289599181,1cyclictest2918044-21ssh22:46:240
2622895991811,6cyclictest0-21swapper/021:20:020
2622895991811,2cyclictest17750irq/127-ahci[0000:00:17.0]19:50:010
3240591171,5phc2sys0-21swapper/323:38:523
3240591170,2phc2sys0-21swapper/322:54:273
3240591170,2phc2sys0-21swapper/300:08:053
262289799171,9cyclictest0-21swapper/200:40:012
2622897991715,1cyclictest0-21swapper/220:20:012
2622897991714,1cyclictest0-21swapper/222:50:022
2622897991714,1cyclictest0-21swapper/222:15:002
2622897991714,1cyclictest0-21swapper/220:10:022
2622896991714,2cyclictest664-21dbus-daemon00:10:031
2622896991714,2cyclictest3043286-21sed00:10:591
2622896991714,2cyclictest2779314-21systemd-run21:15:011
2622896991714,2cyclictest2743747-21kthreadcore20:45:541
2622896991713,3cyclictest1309-21mta-sts-daemon20:11:001
2622896991712,3cyclictest2622893-21cyclictest21:40:471
2622896991712,2cyclictest1307-21mta-sts-daemon00:20:431
262289699171,10cyclictest664-21dbus-daemon19:25:021
262289599179,7cyclictest3056220-21kthreadcore00:20:540
262289599178,5cyclictest0-21swapper/023:05:030
262289599177,7cyclictest2961454-21missed_timers23:15:570
2622895991714,2cyclictest2870651-21kthreadcore22:15:540
2622895991714,2cyclictest2795213-21grep21:25:500
2622895991714,2cyclictest2713224-21kthreadcore20:20:530
2622895991714,2cyclictest0-21swapper/020:40:010
2622895991713,2cyclictest0-21swapper/020:50:010
2622895991712,4cyclictest2841935-21kthreadcore21:55:550
2622895991712,3cyclictest0-21swapper/022:40:020
2622895991710,2cyclictest69250irq/121-eno100:00:550
3240591160,2phc2sys0-21swapper/323:48:253
3240591160,2phc2sys0-21swapper/322:28:093
3240591160,1phc2sys0-21swapper/323:11:343
262289799161,6cyclictest0-21swapper/220:25:312
2622897991614,1cyclictest0-21swapper/219:35:512
2622897991613,2cyclictest0-21swapper/219:45:022
2622897991613,1cyclictest0-21swapper/223:50:452
2622897991613,1cyclictest0-21swapper/222:00:012
2622897991613,1cyclictest0-21swapper/221:45:592
2622897991613,1cyclictest0-21swapper/221:30:012
2622897991613,1cyclictest0-21swapper/221:25:012
2622897991612,2cyclictest0-21swapper/220:15:022
2622896991613,2cyclictest3069664-21kthreadcore00:30:531
2622896991613,2cyclictest3005719-21proc_pri23:45:581
2622896991613,2cyclictest2962032-21grep23:16:021
2622896991613,2cyclictest2956107-21latency_hist23:15:021
2622896991613,2cyclictest2919337-21/usr/sbin/munin22:50:011
2622896991613,2cyclictest2898533-21if_enp1s0.822:35:531
2622896991613,2cyclictest2876008-21tr22:20:481
2622896991613,2cyclictest2692637-21cron20:05:011
2622896991613,2cyclictest1-21systemd21:50:571
2622896991613,2cyclictest0-21swapper/119:55:021
2622896991612,3cyclictest2998011-21kthreadcore23:40:541
2622896991612,3cyclictest2657707-21kthreadcore19:35:531
2622896991611,3cyclictest2795632-21irqrtprio21:25:521
2622896991611,3cyclictest0-21swapper/122:00:311
262289599169,6cyclictest0-21swapper/000:35:530
262289599164,8cyclictest171ktimers/023:05:210
262289599164,7cyclictest2792576-21diskmemload21:21:030
262289599161,4cyclictest2759860-21kworker/u16:1+rpciod00:00:010
2622895991613,2cyclictest2867998-21systemd22:15:020
2622895991613,2cyclictest2648700-21mailstats19:25:570
2622895991613,2cyclictest2632985-21kthreadcore19:15:530
2622895991613,2cyclictest2629291-21head19:15:020
2622895991613,2cyclictest2622893-21cyclictest21:00:500
2622895991613,2cyclictest1300-21mta-sts-daemon23:40:510
2622895991613,2cyclictest0-21swapper/000:30:030
2622895991612,3cyclictest2759968-21systemd-run21:00:020
262289599161,11cyclictest2815099-21ssh21:37:140
2622895991610,2cyclictest3049645-21tr00:15:550
262289599160,15cyclictest2680193-21awk19:55:010
1157598160,12rtkit-daemon1306-21mta-sts-daemon19:32:541
3240591150,2phc2sys0-21swapper/322:32:563
3240591150,2phc2sys0-21swapper/321:51:523
3240591150,2phc2sys0-21swapper/321:15:313
3240591150,2phc2sys0-21swapper/300:29:053
3240591150,2phc2sys0-21swapper/300:11:453
3240591150,1phc2sys0-21swapper/319:50:543
27479712150,2sleep20-21swapper/220:50:352
2622897991513,1cyclictest0-21swapper/221:50:532
2622897991513,1cyclictest0-21swapper/221:10:022
2622897991512,1cyclictest0-21swapper/223:45:392
2622897991512,1cyclictest0-21swapper/223:15:492
2622897991512,1cyclictest0-21swapper/219:15:392
2622897991512,1cyclictest0-21swapper/200:20:032
2622897991511,2cyclictest0-21swapper/223:56:012
2622896991512,2cyclictest3050270-21mailstats00:16:001
2622896991512,2cyclictest2964911-21ethtool23:20:541
2622896991512,2cyclictest2933987-21sh23:00:011
2622896991512,2cyclictest2920045-21cpuspeed22:50:481
2622896991512,2cyclictest2896739-21sh22:33:501
2622896991512,2cyclictest2856476-21kthreadcore22:05:541
2622896991512,2cyclictest2644628-21grep19:25:511
2622896991512,2cyclictest2622728-21latency_hist19:10:021
2622896991511,3cyclictest2682934-21kthreadcore19:55:531
2622896991510,2cyclictest1309-21mta-sts-daemon23:55:531
262289599158,2cyclictest491rcuog/223:25:240
262289599157,4cyclictest0-21swapper/022:00:540
262289599152,8cyclictest2681404-21tune2fs19:55:500
2622895991512,2cyclictest2706506-21kthreadcore20:15:560
2622895991512,2cyclictest2660959-21phc2sys19:35:560
2622895991512,2cyclictest1306-21mta-sts-daemon19:40:570
2622895991512,2cyclictest0-21swapper/019:10:020
2622895991511,3cyclictest2726177-21kthreadcore20:30:560
3240591141,2phc2sys0-21swapper/320:55:313
3240591140,4phc2sys0-21swapper/323:05:263
3240591140,2phc2sys0-21swapper/322:09:573
262289799141,6cyclictest0-21swapper/219:10:012
2622897991412,1cyclictest0-21swapper/222:25:542
2622897991412,1cyclictest0-21swapper/219:47:282
2622897991412,1cyclictest0-21swapper/219:35:012
2622897991411,1cyclictest0-21swapper/223:45:012
2622897991411,1cyclictest0-21swapper/223:10:022
2622897991411,1cyclictest0-21swapper/222:55:592
2622897991411,1cyclictest0-21swapper/222:52:332
2622897991411,1cyclictest0-21swapper/222:05:492
2622897991411,1cyclictest0-21swapper/221:17:252
2622897991411,1cyclictest0-21swapper/221:10:562
2622897991411,1cyclictest0-21swapper/221:00:532
2622897991411,1cyclictest0-21swapper/220:45:592
2622897991411,1cyclictest0-21swapper/220:20:542
2622897991411,1cyclictest0-21swapper/200:00:542
2622897991410,2cyclictest0-21swapper/222:38:142
2622897991410,2cyclictest0-21swapper/220:55:522
262289699147,4cyclictest2971942-21diskstats23:25:481
2622896991412,1cyclictest2755268-21irqrtprio20:55:521
2622896991411,2cyclictest2784486-21latency21:15:561
2622896991411,2cyclictest2769712-21kthreadcore21:05:551
2622896991411,2cyclictest2749956-21kthreadcore20:50:541
2622896991411,2cyclictest2712068-21if_enp1s020:20:511
2622896991411,2cyclictest2705931-21gltestperf20:15:531
2622896991411,2cyclictest2669004-21fschecks_time19:45:501
2622896991411,2cyclictest1300-21mta-sts-daemon21:55:361
2622896991410,3cyclictest2763964-21kthreadcore21:00:531
2622896991410,3cyclictest2735318-21awk20:40:011
2622896991410,3cyclictest2725698-21kthreadcore20:30:551
2622896991410,3cyclictest2665070-21kthreadcore19:40:561
2622896991410,3cyclictest1309-21mta-sts-daemon22:12:061
2622896991410,2cyclictest0-21swapper/120:30:011
262289599142,3cyclictest1306-21mta-sts-daemon22:05:270
2622895991411,2cyclictest2950423-21irqrtprio23:10:530
2622895991411,2cyclictest2688429-21kthreadcore20:00:530
3240591135,2phc2sys0-21swapper/322:40:553
3240591130,3phc2sys0-21swapper/321:37:023
3240591130,3phc2sys0-21swapper/300:02:113
3240591130,2phc2sys0-21swapper/322:17:513
3240591130,2phc2sys0-21swapper/320:45:333
3240591130,1phc2sys0-21swapper/323:19:573
3240591130,1phc2sys0-21swapper/323:00:053
3240591130,1phc2sys0-21swapper/322:57:153
3240591130,1phc2sys0-21swapper/320:15:203
28517792130,2sleep30-21swapper/322:01:073
2622897991311,1cyclictest0-21swapper/223:20:542
2622897991311,1cyclictest0-21swapper/222:40:522
2622897991311,1cyclictest0-21swapper/222:20:022
2622897991311,1cyclictest0-21swapper/222:00:502
2622897991311,1cyclictest0-21swapper/221:35:542
2622897991311,1cyclictest0-21swapper/220:40:012
2622897991311,1cyclictest0-21swapper/219:30:022
2622897991311,1cyclictest0-21swapper/200:25:532
2622897991311,1cyclictest0-21swapper/200:20:332
2622897991311,1cyclictest0-21swapper/200:10:292
2622897991310,1cyclictest0-21swapper/223:35:542
2622896991310,2cyclictest2694650-21kthreadcore20:05:531
2622896991310,2cyclictest1306-21mta-sts-daemon20:40:521
3240591122,2phc2sys0-21swapper/321:00:523
3240591120,5phc2sys0-21swapper/319:35:313
3240591120,2phc2sys0-21swapper/320:04:063
3240591120,2phc2sys0-21swapper/319:55:313
3240591120,2phc2sys0-21swapper/319:15:323
3240591120,1phc2sys0-21swapper/322:46:203
262289799123,6cyclictest0-21swapper/200:30:312
2622897991210,1cyclictest0-21swapper/220:40:552
2622897991210,1cyclictest0-21swapper/219:20:542
3240591112,2phc2sys0-21swapper/321:23:523
3240591111,2phc2sys0-21swapper/322:15:023
3240591110,3phc2sys0-21swapper/319:20:493
3240591110,3phc2sys0-21swapper/300:15:313
3240591110,2phc2sys0-21swapper/323:57:233
3240591110,2phc2sys0-21swapper/321:28:173
3240591110,2phc2sys0-21swapper/320:40:153
3240591110,2phc2sys0-21swapper/320:10:353
3240591110,1phc2sys0-21swapper/323:53:423
3240591110,1phc2sys0-21swapper/323:21:563
3240591110,1phc2sys0-21swapper/320:29:063
3240591110,1phc2sys0-21swapper/319:43:053
27787192110,2sleep30-21swapper/321:13:343
3240591101,3phc2sys0-21swapper/320:30:333
3240591101,2phc2sys0-21swapper/322:20:593
3240591100,4phc2sys0-21swapper/320:20:323
3240591100,4phc2sys0-21swapper/319:10:303
3240591100,2phc2sys0-21swapper/323:41:483
3240591100,2phc2sys0-21swapper/323:32:103
3240591100,2phc2sys0-21swapper/321:47:413
3240591100,2phc2sys0-21swapper/321:05:573
3240591100,2phc2sys0-21swapper/300:37:153
3240591100,2phc2sys0-21swapper/300:34:583
3240591100,1phc2sys0-21swapper/320:52:263
324059191,3phc2sys0-21swapper/320:35:303
324059191,2phc2sys0-21swapper/321:40:273
324059190,4phc2sys0-21swapper/319:45:263
324059190,2phc2sys0-21swapper/323:25:253
324059190,2phc2sys0-21swapper/322:35:423
324059190,2phc2sys0-21swapper/321:55:543
324059190,2phc2sys0-21swapper/321:30:133
324059190,2phc2sys0-21swapper/320:06:023
324059190,2phc2sys0-21swapper/319:30:513
324059190,2phc2sys0-21swapper/319:25:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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