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2026-07-26 - 13:35
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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 the highest latencies:
System rackeslot2.osadl.org (updated Sun Jul 26, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244583522040,2sleep30-21swapper/322:25:503
242963221510,1sleep02429630-21ssh22:12:530
239694421310,2sleep12396841-21ssh21:50:571
26237322450,1sleep02623733-21expr00:25:520
22929822290,1sleep20-21swapper/220:35:562
2185771992522,1cyclictest0-21swapper/220:05:002
2185771992321,1cyclictest0-21swapper/220:30:022
2185771992320,1cyclictest0-21swapper/223:40:022
2185771992219,1cyclictest0-21swapper/222:30:022
2185771992219,1cyclictest0-21swapper/221:55:012
2185771992219,1cyclictest0-21swapper/221:10:022
2185770992219,2cyclictest2224368-21cron19:40:011
2185770992217,3cyclictest2566714-21kthreadcore23:45:561
2185765992211,6cyclictest0-21swapper/000:33:050
2185765992211,6cyclictest0-21swapper/000:33:050
2185771992119,1cyclictest0-21swapper/223:30:012
2185771992118,1cyclictest0-21swapper/222:25:012
2185771992111,3cyclictest0-21swapper/220:57:402
2185765992110,6cyclictest0-21swapper/021:15:010
2185771992017,1cyclictest0-21swapper/223:20:022
2185771992017,1cyclictest0-21swapper/223:11:012
2185770992017,2cyclictest684-21systemd-logind20:20:001
2185770992016,2cyclictest69250irq/121-eno122:41:031
2185770992016,2cyclictest69250irq/121-eno121:35:021
2185770992012,3cyclictest0-21swapper/100:20:021
218576599207,5cyclictest664-21dbus-daemon23:10:020
2185765992018,1cyclictest0-21swapper/023:40:010
2185765992017,2cyclictest2467395-21latency_hist22:40:010
2185765992017,2cyclictest0-21swapper/021:25:030
2185765992016,2cyclictest0-21swapper/021:50:000
2185765992012,1cyclictest0-21swapper/021:35:500
218576599200,1cyclictest2394014-21apt-get21:50:500
3240591191,5phc2sys0-21swapper/320:30:503
2185771991917,1cyclictest0-21swapper/223:50:032
2185771991917,1cyclictest0-21swapper/221:15:032
2185771991917,1cyclictest0-21swapper/219:15:022
2185771991916,1cyclictest0-21swapper/223:20:542
2185771991916,1cyclictest0-21swapper/222:55:522
2185771991916,1cyclictest0-21swapper/222:55:522
2185771991916,1cyclictest0-21swapper/222:30:582
2185771991916,1cyclictest0-21swapper/222:20:012
2185770991916,2cyclictest1-21systemd22:10:021
2185770991916,2cyclictest0-21swapper/122:40:011
2185770991911,3cyclictest2402207-21if_enp1s021:55:531
2185770991911,3cyclictest0-21swapper/122:21:031
218576599199,5cyclictest0-21swapper/022:07:460
218576599199,5cyclictest0-21swapper/022:00:490
218576599198,6cyclictest0-21swapper/022:46:030
2185765991915,3cyclictest2201183-21cut19:20:530
2185765991910,5cyclictest676-21mta-sts-daemon22:55:030
2185765991910,4cyclictest0-21swapper/023:30:020
3240591181,3phc2sys0-21swapper/323:28:323
3240591181,2phc2sys0-21swapper/321:11:243
3240591180,2phc2sys0-21swapper/322:00:023
25945702180,2sleep1191rcu_preempt00:05:571
2185771991816,1cyclictest0-21swapper/223:35:012
2185771991815,1cyclictest0-21swapper/221:45:002
2185771991815,1cyclictest0-21swapper/221:35:022
2185771991815,1cyclictest0-21swapper/221:25:552
2185771991815,1cyclictest0-21swapper/200:06:052
218577199181,4cyclictest0-21swapper/220:10:012
218577199181,4cyclictest0-21swapper/220:10:012
2185771991814,2cyclictest0-21swapper/220:41:032
2185770991816,1cyclictest2322149-21systemd-run21:00:021
2185770991815,2cyclictest2185758-21cyclictest21:10:021
2185770991814,3cyclictest2536269-21kthreadcore23:25:541
2185770991814,3cyclictest2292650-21gltestperf20:35:541
2185770991813,1cyclictest1157598rtkit-daemon21:01:111
2185770991812,2cyclictest69250irq/121-eno123:10:001
218576599189,4cyclictest0-21swapper/022:40:050
218576599186,6cyclictest0-21swapper/000:15:510
2185765991815,2cyclictest2297687-21latency_hist20:40:010
2185765991811,6cyclictest0-21swapper/021:25:490
2185765991811,3cyclictest2407657-21kworker/u16:0-nfsiod22:25:510
2185765991811,3cyclictest2334104-21diskmemload23:55:160
218576599181,12cyclictest0-21swapper/023:16:130
2185765991810,2cyclictest0-21swapper/023:31:020
218576599180,2cyclictest2285878-21/usr/sbin/munin20:31:000
3240591170,4phc2sys0-21swapper/321:46:443
3240591170,3phc2sys0-21swapper/319:35:023
2185771991715,1cyclictest0-21swapper/223:50:572
2185771991714,1cyclictest0-21swapper/221:55:542
2185771991714,1cyclictest0-21swapper/221:36:022
2185771991713,2cyclictest0-21swapper/222:52:082
218577099172,5cyclictest501rcuop/219:15:491
2185770991714,2cyclictest664-21dbus-daemon21:40:001
2185770991714,2cyclictest2640255-21kthreadcore00:35:571
2185770991714,2cyclictest2623859-21cut00:25:531
2185770991714,2cyclictest2297656-21cron20:40:021
2185770991714,2cyclictest2288675-21ps20:30:571
2185770991714,2cyclictest2279168-21cron20:25:001
2185770991713,3cyclictest2231105-21cpuspeed_turbos19:45:521
2185770991713,3cyclictest1076-21lldpd00:31:421
2185770991713,3cyclictest1076-21lldpd00:31:421
2185770991711,5cyclictest2561327-21kthreadcore23:40:571
218576599179,7cyclictest0-21swapper/023:50:500
218576599179,4cyclictest1306-21mta-sts-daemon00:12:520
218576599178,1cyclictest0-21swapper/022:20:580
2185765991714,2cyclictest2504890-21sh23:05:000
2185765991714,2cyclictest2329710-21kthreadcore21:05:560
2185765991714,2cyclictest2267060-21turbostat.cron20:15:000
2185765991714,2cyclictest2185758-21cyclictest22:31:450
2185765991712,4cyclictest1306-21mta-sts-daemon19:11:040
2185765991710,6cyclictest0-21swapper/000:20:560
218576599170,3cyclictest2512763-21/usr/sbin/munin23:10:520
3240591160,4phc2sys0-21swapper/323:23:443
3240591160,2phc2sys0-21swapper/323:40:303
3240591160,2phc2sys0-21swapper/300:18:573
2185771991613,1cyclictest0-21swapper/223:00:512
2185771991613,1cyclictest0-21swapper/222:45:012
2185771991613,1cyclictest0-21swapper/222:11:012
2185771991613,1cyclictest0-21swapper/221:45:592
2185771991613,1cyclictest0-21swapper/220:50:012
2185771991613,1cyclictest0-21swapper/220:35:012
2185771991613,1cyclictest0-21swapper/220:15:012
2185771991613,1cyclictest0-21swapper/200:40:012
2185771991613,1cyclictest0-21swapper/200:02:352
2185771991612,2cyclictest0-21swapper/223:09:072
2185771991612,2cyclictest0-21swapper/221:25:022
218577099162,6cyclictest2584046-21switchtime23:56:021
218577099162,4cyclictest501rcuop/219:10:491
2185770991613,2cyclictest662-21avahi-daemon21:30:031
2185770991613,2cyclictest2387417-21head21:45:541
2185770991613,2cyclictest2379664-21cstates21:40:521
2185770991613,2cyclictest2349069-21sh21:20:031
2185770991613,2cyclictest1309-21mta-sts-daemon22:34:051
2185770991613,2cyclictest1306-21mta-sts-daemon19:51:591
2185770991612,3cyclictest2619594-21kthreadcore00:20:571
2185770991612,3cyclictest2225352-21fschecks_count19:41:061
2185770991611,3cyclictest2430511-21wc22:15:021
2185770991611,3cyclictest0-21swapper/123:40:021
2185770991611,2cyclictest1307-21mta-sts-daemon22:45:271
2185770991610,2cyclictest1300-21mta-sts-daemon23:15:091
218577099160,15cyclictest2549128-21dump-pmu-power23:35:011
218576599168,6cyclictest0-21swapper/000:35:500
218576599165,2cyclictest491rcuog/200:06:000
2185765991614,1cyclictest2322205-21systemd-run21:00:020
2185765991613,2cyclictest2588911-21kthreadcore00:00:580
2185765991613,2cyclictest2401720-21cut21:55:500
2185765991613,2cyclictest2328052-21munin-plugin-st21:05:010
2185765991613,2cyclictest2312158-21kthreadcore20:50:570
2185765991613,2cyclictest2302502-21kthreadcore20:40:570
2185765991613,2cyclictest2271095-21kthreadcore20:15:570
2185765991613,2cyclictest2257900-21kthreadcore20:05:570
2185765991613,2cyclictest2257900-21kthreadcore20:05:570
2185765991613,2cyclictest0-21swapper/021:35:010
3240591151,2phc2sys0-21swapper/323:10:533
3240591150,4phc2sys0-21swapper/322:09:113
3240591150,2phc2sys0-21swapper/320:40:543
3240591150,13phc2sys0-21swapper/300:34:343
3240591150,13phc2sys0-21swapper/300:34:343
2185771991513,1cyclictest0-21swapper/219:45:022
2185771991513,1cyclictest0-21swapper/200:30:582
2185771991513,1cyclictest0-21swapper/200:30:582
2185771991513,1cyclictest0-21swapper/200:20:562
2185771991512,1cyclictest0-21swapper/222:50:022
2185771991512,1cyclictest0-21swapper/222:06:042
2185771991512,1cyclictest0-21swapper/219:56:042
2185771991512,1cyclictest0-21swapper/200:25:492
218577099159,5cyclictest1300-21mta-sts-daemon20:12:031
218577099159,2cyclictest69250irq/121-eno120:25:381
218577099156,4cyclictest2513962-21cut23:10:551
218577099154,4cyclictest0-21swapper/122:51:481
218577099153,5cyclictest491rcuog/223:00:461
2185770991513,1cyclictest2587220-21interrupts00:00:561
2185770991512,2cyclictest2602071-21irqcore00:10:541
2185770991512,2cyclictest2572128-21cpuspeed_turbos23:50:511
2185770991512,2cyclictest2528783-21irqrtprio23:20:551
2185770991512,2cyclictest2431648-21cut22:15:541
2185770991512,2cyclictest2201126-21fschecks_time19:20:531
2185770991512,2cyclictest0-21swapper/121:15:011
2185770991510,4cyclictest1307-21mta-sts-daemon22:01:451
218576599158,6cyclictest0-21swapper/021:41:030
2185765991512,2cyclictest2491994-21kthreadcore22:55:550
2185765991512,2cyclictest2491994-21kthreadcore22:55:550
2185765991512,2cyclictest2240258-21kthreadcore19:50:560
2185765991512,2cyclictest2225528-21head19:41:070
2185765991510,4cyclictest1076-21lldpd19:31:210
3240591140,2phc2sys0-21swapper/321:43:393
3240591140,2phc2sys0-21swapper/300:24:113
3240591140,1phc2sys0-21swapper/322:46:203
3240591140,1phc2sys0-21swapper/320:05:013
2185771991412,1cyclictest0-21swapper/223:55:562
2185771991411,2cyclictest0-21swapper/221:15:532
2185771991411,1cyclictest0-21swapper/222:00:522
2185771991411,1cyclictest0-21swapper/220:15:562
2185771991411,1cyclictest0-21swapper/219:52:062
2185771991411,1cyclictest0-21swapper/219:30:022
2185771991411,1cyclictest0-21swapper/200:15:502
2185771991411,1cyclictest0-21swapper/200:14:182
218577099149,4cyclictest1307-21mta-sts-daemon19:31:531
218577099149,4cyclictest1307-21mta-sts-daemon19:25:281
2185770991412,1cyclictest0-21swapper/120:05:001
2185770991411,2cyclictest2350711-21kthreadcore21:20:571
2185770991411,2cyclictest2333860-21GUsbEventThread22:25:531
2185770991411,2cyclictest2313731-21kthreadcore20:50:581
2185770991411,2cyclictest2243188-21cpuspeed_turbos19:55:521
2185770991411,2cyclictest1306-21mta-sts-daemon22:55:161
2185770991411,2cyclictest1306-21mta-sts-daemon22:55:161
218576599146,1cyclictest0-21swapper/023:45:570
218576599145,5cyclictest0-21swapper/023:20:530
218576599145,5cyclictest0-21swapper/020:03:120
218576599145,5cyclictest0-21swapper/019:27:340
2185765991411,2cyclictest2557360-21cpuspeed_turbos23:40:510
2185765991411,2cyclictest2431123-21cpuspeed22:15:520
2185765991411,2cyclictest2343501-21kthreadcore21:15:580
2185765991411,2cyclictest2280140-21cut20:25:530
3240591131,5phc2sys0-21swapper/322:20:503
3240591131,4phc2sys0-21swapper/321:20:503
3240591131,2phc2sys0-21swapper/323:32:013
3240591130,2phc2sys0-21swapper/323:53:373
3240591130,2phc2sys0-21swapper/323:08:373
3240591130,2phc2sys0-21swapper/323:02:383
3240591130,2phc2sys0-21swapper/321:15:343
3240591130,2phc2sys0-21swapper/300:39:373
3240591130,1phc2sys0-21swapper/323:49:573
3240591130,1phc2sys0-21swapper/322:15:263
2185771991311,1cyclictest0-21swapper/223:40:562
2185771991311,1cyclictest0-21swapper/221:00:512
2185771991311,1cyclictest0-21swapper/220:50:522
2185771991311,1cyclictest0-21swapper/219:45:512
2185771991311,1cyclictest0-21swapper/219:35:582
2185771991311,1cyclictest0-21swapper/219:35:022
2185771991311,1cyclictest0-21swapper/219:10:022
2185771991310,1cyclictest0-21swapper/220:20:562
2185771991310,1cyclictest0-21swapper/219:20:552
218577099139,3cyclictest2185600-21latency_hist19:10:031
2185770991310,2cyclictest2304723-21cut20:45:531
2185770991310,2cyclictest2255359-21aten_repower_en20:05:511
2185770991310,2cyclictest2255359-21aten_repower_en20:05:511
218576599137,5cyclictest2273583-21aten2.4-expect20:20:510
218576599135,3cyclictest2194238-21cut19:15:040
2185765991310,2cyclictest2304842-21gltestperf20:45:530
2185765991310,2cyclictest2244911-21kthreadcore19:55:570
2185765991310,2cyclictest0-21swapper/019:45:580
3240591122,2phc2sys0-21swapper/322:34:503
3240591121,5phc2sys0-21swapper/321:00:503
3240591121,2phc2sys0-21swapper/322:41:353
3240591120,3phc2sys0-21swapper/322:53:053
3240591120,2phc2sys0-21swapper/321:32:373
3240591120,2phc2sys0-21swapper/300:09:173
3240591120,1phc2sys0-21swapper/322:57:353
3240591120,1phc2sys0-21swapper/322:57:353
3240591120,1phc2sys0-21swapper/321:29:043
2185771991210,1cyclictest0-21swapper/219:15:032
2185765991210,1cyclictest1307-21mta-sts-daemon19:35:050
3240591112,2phc2sys0-21swapper/320:50:573
3240591112,2phc2sys0-21swapper/300:11:413
3240591110,2phc2sys0-21swapper/322:10:283
3240591110,2phc2sys0-21swapper/321:50:083
3240591110,2phc2sys0-21swapper/320:55:503
3240591110,2phc2sys0-21swapper/320:20:043
3240591110,2phc2sys0-21swapper/319:25:503
3240591110,1phc2sys0-21swapper/320:38:233
3240591110,1phc2sys0-21swapper/319:45:103
218577199119,1cyclictest0-21swapper/222:35:122
3240591101,4phc2sys0-21swapper/321:10:013
3240591101,4phc2sys0-21swapper/319:41:033
3240591101,2phc2sys0-21swapper/321:35:463
3240591101,2phc2sys0-21swapper/319:20:563
3240591101,2phc2sys0-21swapper/319:15:033
3240591100,3phc2sys0-21swapper/300:26:563
3240591100,2phc2sys0-21swapper/319:37:283
3240591100,2phc2sys0-21swapper/300:00:593
3240591100,1phc2sys0-21swapper/322:00:273
3240591100,1phc2sys0-21swapper/320:25:413
3240591100,1phc2sys0-21swapper/320:06:093
3240591100,1phc2sys0-21swapper/320:06:093
324059191,2phc2sys0-21swapper/322:35:583
324059191,2phc2sys0-21swapper/320:46:003
324059191,2phc2sys0-21swapper/320:10:543
324059191,2phc2sys0-21swapper/319:50:513
324059190,2phc2sys0-21swapper/323:55:343
324059190,2phc2sys0-21swapper/323:35:503
324059190,2phc2sys0-21swapper/323:16:023
324059190,2phc2sys0-21swapper/320:16:033
324059190,2phc2sys0-21swapper/319:55:233
324059190,2phc2sys0-21swapper/319:10:433
324059190,1phc2sys0-21swapper/319:07:023
115759890,5rtkit-daemon171ktimers/019:05:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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