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2026-08-27 - 06:48
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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 Thu Aug 27, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31761442840,1sleep20-21swapper/200:36:242
2645703993110,8cyclictest2886964-21kthreadcore21:54:570
2645703993110,8cyclictest2886964-21kthreadcore21:54:570
264570399308,15cyclictest0-21swapper/022:35:010
2645703992715,11cyclictest2873813-21systemd-run21:45:010
2645703992715,11cyclictest2687475-21cut19:40:020
2645703992711,6cyclictest3020865-21kthreadcore23:09:560
264570399267,6cyclictest0-21swapper/022:45:010
264570399267,5cyclictest0-21swapper/000:29:530
264570399261,8cyclictest0-21swapper/023:44:350
2645703992613,4cyclictest2645701-21cyclictest23:55:030
2645703992613,4cyclictest2645701-21cyclictest19:54:420
2645703992612,2cyclictest3059827-21/usr/sbin/munin23:30:030
264570499251,3cyclictest1-21systemd21:00:031
264570399258,5cyclictest3134854-21kthreadcore00:14:550
264570399255,6cyclictest0-21swapper/019:28:390
264570399251,9cyclictest3147363-21cut00:20:000
2645703992511,6cyclictest3093664-21kthreadcore23:49:590
2645703992511,5cyclictest3009426-21acpi23:04:330
2645703992511,5cyclictest2739095-21kthreadcore20:19:580
2645703992510,3cyclictest2647896-21kthreadcore19:14:560
2645704992421,2cyclictest2843570-21kthreadcore21:30:011
264570399243,6cyclictest0-21swapper/022:27:020
2645703992419,4cyclictest24472-21rtkit-daemon22:37:450
264570399241,7cyclictest1227-21sshd19:59:540
264570399241,7cyclictest0-21swapper/000:08:100
2645703992411,5cyclictest2915645-21kthreadcore22:09:580
264570399241,10cyclictest3005149-21grep22:59:580
2645703992410,6cyclictest2768488-21kthreadcore20:39:570
2645703992410,3cyclictest2903947-21fschecks_count22:04:530
2645703992410,2cyclictest778-21dbus-daemon21:40:010
264570399239,2cyclictest778-21dbus-daemon00:35:020
264570399235,3cyclictest2843270-21munin-run21:30:010
264570399233,6cyclictest0-21swapper/023:38:020
264570399232,6cyclictest0-21swapper/022:23:140
2645703992313,4cyclictest24615-21JS14:54:060
2645703992312,7cyclictest24472-21rtkit-daemon21:31:290
2645703992312,5cyclictest2709072-21kworker/u16:3+nfsiod21:12:340
2645703992311,8cyclictest2987606-21kthreadcore22:50:000
2645703992311,5cyclictest2723052-21latency_hist20:05:020
2645703992311,3cyclictest3047205-21kthreadcore23:24:570
2645703992311,3cyclictest2754870-21kthreadcore20:29:570
2645703992311,2cyclictest3115913-21cpu00:04:540
2645703992310,3cyclictest2792426-21aten_repower_fr20:59:420
2645703992310,2cyclictest0-21swapper/020:45:020
2645703992211,8cyclictest2920889-21/usr/sbin/munin22:15:050
2645703992211,5cyclictest2807929-21kthreadcore21:09:550
2645703992211,3cyclictest3140284-21kworker/u16:0+nfsiod00:21:020
2645703992210,3cyclictest2681723-21pmu-power19:35:000
264570399220,12cyclictest2920188-21ssh22:13:010
264570399218,9cyclictest2833829-21kthreadcore21:24:590
264570399218,9cyclictest2833829-21kthreadcore21:24:590
2645703992115,5cyclictest24813-21gsd-housekeepin23:31:330
2645703992110,5cyclictest2662504-21acpi19:24:340
2645703992110,3cyclictest2994638-21kthreadcore22:54:570
2645703992110,10cyclictest0-21swapper/021:50:020
2645703992015,4cyclictest3183746-21systemd-run00:40:010
2645703992014,5cyclictest3112431-21systemd00:00:010
2645703992014,5cyclictest24813-21gsd-housekeepin23:19:330
2645703992010,5cyclictest2758811-21uniq20:34:540
264570399200,1cyclictest0-21swapper/021:00:380
2213291202,2phc2sys0-21swapper/321:14:563
2213291201,5phc2sys0-21swapper/319:09:343
2213291201,5phc2sys0-21swapper/319:09:343
2213291200,2phc2sys0-21swapper/321:21:033
2213291200,2phc2sys0-21swapper/321:21:033
2645704991915,3cyclictest24615-21JS14:54:061
2645704991912,3cyclictest3111471-21kthreadcore00:00:001
2645703991914,4cyclictest24472-21rtkit-daemon23:11:490
2645703991913,5cyclictest2900843-21timerandwakeup22:00:040
2645705991815,1cyclictest0-21swapper/222:14:112
2645705991814,2cyclictest0-21swapper/223:03:092
264570599180,1cyclictest0-21swapper/222:44:372
264570499189,3cyclictest778-21dbus-daemon22:45:031
264570399187,2cyclictest191rcu_preempt20:14:340
2645703991812,5cyclictest2658618-21kthreadcore19:19:550
2645703991811,6cyclictest2726290-21kthreadcore20:09:570
2645703991811,2cyclictest2749084-21kthreadcore20:24:580
2645705991714,1cyclictest0-21swapper/200:17:092
264570499178,4cyclictest0-21swapper/123:39:331
264570499178,4cyclictest0-21swapper/122:14:351
2645704991714,2cyclictest3046035-21sed23:24:551
2645704991714,2cyclictest2950589-21kthreadcore22:29:581
2645704991714,2cyclictest2740778-21kthreadcore20:19:591
2645704991713,3cyclictest2692728-21kthreadcore19:44:571
2645704991713,3cyclictest2685998-21kthreadcore19:40:031
2645704991713,3cyclictest24614-21JS14:54:061
264570499171,14cyclictest2891751-21munin-run21:55:031
264570499171,14cyclictest2891751-21munin-run21:55:031
264570399177,2cyclictest2696289-21unixbench_singl19:45:040
2645703991710,3cyclictest2692915-21kthreadcore19:44:580
2645703991710,3cyclictest24616-21JS14:54:060
2213291171,2phc2sys0-21swapper/300:06:303
2213291170,2phc2sys0-21swapper/323:35:453
2213291170,2phc2sys0-21swapper/322:42:213
2213291170,2phc2sys0-21swapper/321:46:093
2213291170,2phc2sys0-21swapper/320:00:063
2645705991613,1cyclictest0-21swapper/223:54:462
2645705991613,1cyclictest0-21swapper/221:46:332
2645705991613,1cyclictest0-21swapper/221:25:092
2645705991612,2cyclictest0-21swapper/219:24:352
264570599160,5cyclictest31657912sleep200:29:592
264570499169,6cyclictest24617-21JS14:54:061
264570499169,6cyclictest24615-21JS14:54:061
264570499169,3cyclictest932-1atopacctd00:39:521
264570499161,6cyclictest2730345-21timerandwakeup20:10:041
2645704991614,1cyclictest2963325-21ssh22:35:471
2645704991614,1cyclictest24472-21rtkit-daemon23:05:271
2645704991613,2cyclictest3014325-21kthreadcore23:04:591
2645704991612,3cyclictest2865275-21kworker/u16:2+nfsiod21:49:161
2645704991612,3cyclictest2837810-21systemd-run21:25:011
2645704991612,3cyclictest2837810-21systemd-run21:25:011
2645704991612,3cyclictest2811639-21pmu-power21:09:591
2645704991612,3cyclictest2679417-21kthreadcore19:34:571
2645704991610,2cyclictest82050irq/121-eno122:49:371
2645704991610,2cyclictest82050irq/121-eno100:34:571
2645704991610,2cyclictest82050irq/121-eno100:09:441
2645703991610,2cyclictest2786799-21kthreadcore20:54:580
2213291161,2phc2sys0-21swapper/322:31:563
2213291160,3phc2sys0-21swapper/300:30:483
2213291160,2phc2sys0-21swapper/323:44:393
2213291160,2phc2sys0-21swapper/319:57:393
2213291160,2phc2sys0-21swapper/300:28:523
264570599151,7cyclictest0-21swapper/222:04:342
2645705991512,1cyclictest0-21swapper/222:53:252
2645705991512,1cyclictest0-21swapper/221:38:202
2645705991512,1cyclictest0-21swapper/200:21:092
2645705991511,2cyclictest0-21swapper/220:29:342
2645705991510,1cyclictest0-21swapper/222:39:572
264570599150,1cyclictest0-21swapper/220:04:362
264570499159,5cyclictest2944533-21kworker/u16:2-rpciod23:29:391
264570499157,3cyclictest2960561-21kthreadcore22:34:581
264570499154,9cyclictest376-21systemd-journal00:13:081
2645704991513,1cyclictest3027647-21cstates23:14:541
2645704991512,2cyclictest3036864-21sh23:19:541
2645704991512,2cyclictest3001658-21cut22:59:551
2645704991512,2cyclictest2763820-21pmu-power20:35:011
2645704991512,2cyclictest2654066-21kthreadcore19:15:031
2645704991512,2cyclictest1206-21snmpd00:05:021
2645704991511,3cyclictest3067125-21kthreadcore23:34:581
2645704991511,3cyclictest2972175-21kworker/u16:0+nfsiod23:41:451
2645704991511,3cyclictest2944533-21kworker/u16:2+nfsiod23:47:581
2645704991511,3cyclictest2944533-21kworker/u16:2+nfsiod00:27:421
2645704991511,3cyclictest2931243-21kthreadcore22:19:581
2645704991511,3cyclictest2820644-21kworker/u16:1+nfsiod21:58:061
2645704991511,3cyclictest2709072-21kworker/u16:3+nfsiod21:12:421
2645704991511,3cyclictest2704831-21kthreadcore19:54:571
2645704991511,3cyclictest2700951-21kthreadcore19:49:581
264570399158,3cyclictest777-21avahi-daemon19:10:020
264570399158,3cyclictest777-21avahi-daemon19:10:020
2213291151,7phc2sys0-21swapper/323:19:353
2213291150,2phc2sys0-21swapper/300:35:053
2213291150,2phc2sys0-21swapper/300:16:253
264570599142,6cyclictest30788552sleep223:41:372
2645705991412,1cyclictest0-21swapper/221:23:362
2645705991412,1cyclictest0-21swapper/221:23:362
2645705991411,1cyclictest0-21swapper/223:39:582
2645705991411,1cyclictest0-21swapper/223:17:092
2645705991411,1cyclictest0-21swapper/223:05:092
2645705991411,1cyclictest0-21swapper/222:32:292
2645705991411,1cyclictest0-21swapper/222:05:332
2645705991411,1cyclictest0-21swapper/221:51:452
2645705991411,1cyclictest0-21swapper/221:51:452
2645705991411,1cyclictest0-21swapper/220:39:582
2645705991411,1cyclictest0-21swapper/200:34:512
2645705991411,1cyclictest0-21swapper/200:13:372
2645705991410,2cyclictest0-21swapper/220:21:392
264570599140,8cyclictest0-21swapper/220:14:342
264570599140,7cyclictest29279272sleep222:15:462
264570499145,3cyclictest2901235-21sshd-auth22:00:211
2645704991411,2cyclictest3098160-21sh23:54:511
2645704991411,2cyclictest2847655-21mailstats21:30:071
2645704991411,2cyclictest2822806-21sh21:18:051
2645704991411,2cyclictest2800491-21kthreadcore21:04:581
2645704991411,2cyclictest2765300-21cpuspeed_turbos20:39:511
2645704991411,2cyclictest24615-21JS14:54:061
2645704991410,3cyclictest3152690-21kthreadcore00:24:571
2645704991410,3cyclictest2936283-21timerwakeupswit22:20:051
2645704991410,3cyclictest2865275-21kworker/u16:2+nfsiod21:42:241
2645704991410,3cyclictest2820644-21kworker/u16:1+nfsiod21:38:461
2645704991410,3cyclictest2709072-21kworker/u16:3+nfsiod22:51:081
2645704991410,3cyclictest2672741-21kthreadcore19:29:591
2645704991410,3cyclictest2668047-21phc2sys-jitter19:25:001
2213291141,3phc2sys0-21swapper/300:14:333
2213291140,2phc2sys0-21swapper/320:08:443
2213291140,2phc2sys0-21swapper/319:54:053
2213291140,1phc2sys0-21swapper/319:27:003
31070222130,1sleep20-21swapper/223:59:522
264570599139,2cyclictest0-21swapper/220:49:572
264570599139,2cyclictest0-21swapper/220:05:262
264570599139,2cyclictest0-21swapper/219:14:132
264570599139,1cyclictest0-21swapper/221:15:032
264570599134,5cyclictest0-21swapper/221:04:352
264570599132,9cyclictest0-21swapper/222:49:562
264570599131,8cyclictest0-21swapper/223:34:342
2645705991311,1cyclictest0-21swapper/220:30:092
2645705991310,1cyclictest0-21swapper/223:27:072
2645705991310,1cyclictest0-21swapper/222:25:012
2645705991310,1cyclictest0-21swapper/220:55:022
2645705991310,1cyclictest0-21swapper/220:00:012
2645705991310,1cyclictest0-21swapper/219:45:012
2645705991310,1cyclictest0-21swapper/219:19:552
2645705991310,1cyclictest0-21swapper/200:09:412
264570599130,8cyclictest0-21swapper/200:00:112
264570499139,3cyclictest2715947-21pmu-power19:59:581
264570499139,3cyclictest2650215-21kthreadcore19:14:571
264570499137,2cyclictest82050irq/121-eno122:09:491
2213291134,2phc2sys0-21swapper/322:39:573
2213291131,3phc2sys0-21swapper/322:14:573
2213291130,2phc2sys0-21swapper/323:03:183
2213291130,2phc2sys0-21swapper/322:45:283
2213291130,2phc2sys0-21swapper/321:19:083
2213291130,2phc2sys0-21swapper/320:19:433
2213291130,2phc2sys0-21swapper/300:04:223
30972962121,4sleep30-21swapper/323:53:243
30524052120,2sleep30-21swapper/323:26:593
264570599129,1cyclictest0-21swapper/223:24:532
264570599129,1cyclictest0-21swapper/222:58:092
264570599129,1cyclictest0-21swapper/221:41:412
264570599129,1cyclictest0-21swapper/220:59:572
264570599129,1cyclictest0-21swapper/220:44:202
264570599129,1cyclictest0-21swapper/220:19:492
264570599129,1cyclictest0-21swapper/219:45:582
264570599129,1cyclictest0-21swapper/219:39:562
264570599129,1cyclictest0-21swapper/219:30:052
264570599128,2cyclictest0-21swapper/223:11:262
264570599122,6cyclictest0-21swapper/221:09:332
264570599122,4cyclictest0-21swapper/219:29:362
264570599120,1cyclictest0-21swapper/222:25:302
264570499128,3cyclictest2781344-21kthreadcore20:49:571
264570499125,6cyclictest24604-21gnome-shell20:02:591
264570499125,5cyclictest2750778-21timedrift20:25:031
2447398120,7rtkit-daemon798-21mta-sts-daemon19:06:311
2447398120,7rtkit-daemon798-21mta-sts-daemon19:06:311
2213291120,4phc2sys0-21swapper/319:30:043
2213291120,3phc2sys0-21swapper/322:29:353
2213291120,2phc2sys0-21swapper/322:50:393
2213291120,2phc2sys0-21swapper/320:39:503
2213291120,2phc2sys0-21swapper/319:38:463
28581302110,2sleep30-21swapper/321:37:393
28098962111,2sleep30-21swapper/321:09:573
264570599119,1cyclictest0-21swapper/221:56:012
264570599119,1cyclictest0-21swapper/221:30:092
264570599117,2cyclictest0-21swapper/223:45:352
264570599117,2cyclictest0-21swapper/221:11:042
264570599110,1cyclictest0-21swapper/219:52:352
2213291112,2phc2sys0-21swapper/322:04:573
2213291111,2phc2sys0-21swapper/321:30:093
2213291110,2phc2sys0-21swapper/323:45:033
2213291110,2phc2sys0-21swapper/321:52:463
2213291110,2phc2sys0-21swapper/321:52:463
2213291110,2phc2sys0-21swapper/321:27:553
2213291110,2phc2sys0-21swapper/320:14:343
2213291110,2phc2sys0-21swapper/319:22:193
2213291110,1phc2sys0-21swapper/320:27:173
2213291110,1phc2sys0-21swapper/320:20:193
2213291110,1phc2sys0-21swapper/319:47:373
2213291110,1phc2sys0-21swapper/319:41:403
2213291110,1phc2sys0-21swapper/319:13:223
2213291102,2phc2sys0-21swapper/321:41:323
2213291101,2phc2sys0-21swapper/321:00:033
2213291101,2phc2sys0-21swapper/300:24:313
2213291100,3phc2sys0-21swapper/320:49:563
2213291100,3phc2sys0-21swapper/320:34:543
2213291100,2phc2sys0-21swapper/323:59:343
2213291100,2phc2sys0-21swapper/323:20:383
2213291100,2phc2sys0-21swapper/323:10:043
2213291100,2phc2sys0-21swapper/323:09:553
2213291100,2phc2sys0-21swapper/322:59:333
2213291100,2phc2sys0-21swapper/322:24:343
2213291100,2phc2sys0-21swapper/322:15:083
2213291100,2phc2sys0-21swapper/322:05:583
2213291100,2phc2sys0-21swapper/321:57:153
2213291100,2phc2sys0-21swapper/320:54:583
26457059992,3cyclictest0-21swapper/219:10:022
26457059992,3cyclictest0-21swapper/219:10:022
221329191,2phc2sys0-21swapper/319:19:563
221329190,2phc2sys0-21swapper/323:30:043
221329190,2phc2sys0-21swapper/321:04:563
221329180,2phc2sys0-21swapper/320:43:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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