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2026-05-26 - 04:40
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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 Tue May 26, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267476221000,2sleep30-21swapper/323:55:083
23162142840,2sleep10-21swapper/119:44:591
25039142710,2sleep30-21swapper/322:04:573
24400372460,1sleep20-21swapper/221:20:022
26951812440,2sleep20-21swapper/200:09:582
25763572430,2sleep20-21swapper/222:50:052
2273439993831,6cyclictest2671490-21gpgv23:55:000
2273440993024,2cyclictest134050irq/121-eno123:40:001
2273439992617,5cyclictest2476219-21kthreadcore21:45:000
2273439992421,2cyclictest2543973-21kthreadcore22:30:000
2273441992321,1cyclictest0-21swapper/221:00:022
2273440992320,2cyclictest2589141-21rm23:00:011
2273439992320,2cyclictest2566107-21sort22:45:000
2273439992314,4cyclictest0-21swapper/000:05:020
2273439992312,6cyclictest0-21swapper/021:20:020
2273441992219,1cyclictest0-21swapper/220:30:002
2273440992219,2cyclictest2696924-21systemd00:10:001
2273440992219,2cyclictest2416754-21latency_hist21:05:011
2273440992218,3cyclictest2278250-21swap19:15:011
227343999226,2cyclictest0-21swapper/021:49:530
2273439992219,2cyclictest2727214-21load00:30:000
2273439992219,2cyclictest2396363-21latency_hist20:50:010
2273439992219,2cyclictest2340923-21apt-key20:05:010
2273439992210,6cyclictest2644389-21unixbench_singl23:35:070
2273441992119,1cyclictest0-21swapper/222:35:022
2273441992119,1cyclictest0-21swapper/221:25:032
2273441992118,1cyclictest0-21swapper/219:45:012
2273440992118,2cyclictest2628456-21/usr/sbin/munin23:25:011
2273440992118,2cyclictest2273438-21cyclictest21:40:011
2273440992118,2cyclictest1290-21dbus-daemon20:10:001
2273440992114,3cyclictest2510578-21cpuspeed_turbos22:09:531
2273439992118,2cyclictest2740272-21kthreadcore00:40:000
2273439992118,2cyclictest2444706-21kthreadcore21:25:010
2273439992118,2cyclictest2410784-21latency_hist21:00:020
2649091202,2phc2sys0-21swapper/321:25:023
2273441992018,1cyclictest0-21swapper/220:05:012
2273441992017,1cyclictest0-21swapper/223:45:012
2273441992017,1cyclictest0-21swapper/222:15:002
2273441992017,1cyclictest0-21swapper/222:00:002
2273441992017,1cyclictest0-21swapper/200:20:042
2273440992018,1cyclictest2611379-21kthreadcore23:15:001
2273440992017,2cyclictest3851705-21mta-sts-daemon21:15:001
2273440992017,2cyclictest2373534-21kthreadcore20:30:011
2273440992017,2cyclictest2310900-21cron19:40:001
2273440992017,2cyclictest1-21systemd22:30:031
2273440992015,2cyclictest3851703-21mta-sts-daemon00:25:561
2273439992017,2cyclictest3851705-21mta-sts-daemon19:25:000
2273439992017,2cyclictest2515104-21systemd-run22:10:010
2273439992017,2cyclictest2378397-21cron20:35:010
2273439992017,2cyclictest1290-21dbus-daemon23:30:030
2273439992011,5cyclictest2510302-21/usr/sbin/munin22:10:030
22860982190,2sleep30-21swapper/319:20:003
2273441991917,1cyclictest0-21swapper/221:05:022
2273441991916,1cyclictest0-21swapper/221:45:012
2273441991916,1cyclictest0-21swapper/220:40:012
2273441991916,1cyclictest0-21swapper/219:15:002
227344099199,3cyclictest0-21swapper/121:54:531
2273440991916,2cyclictest3840882-21snmpd19:35:001
2273440991916,2cyclictest2340853-21munin-plugin-st20:05:011
2273440991916,2cyclictest2289263-21systemd-run19:25:001
227343999199,5cyclictest0-21swapper/023:55:080
227343999199,5cyclictest0-21swapper/023:19:080
2273439991916,2cyclictest2665281-21kthreadcore23:50:000
2273439991916,2cyclictest2583662-21mailstats22:55:030
2273439991916,2cyclictest2431079-21kthreadcore21:15:020
2273439991916,2cyclictest2322918-21kthreadcore19:50:000
2273439991916,2cyclictest0-21swapper/023:10:020
227343999191,3cyclictest0-21swapper/023:24:180
2273439991912,6cyclictest2638668-21tail23:34:530
2649091181,7phc2sys0-21swapper/319:09:513
2649091180,1phc2sys0-21swapper/322:13:363
2273441991816,1cyclictest0-21swapper/223:30:022
2273441991816,1cyclictest0-21swapper/223:15:012
2273441991816,1cyclictest0-21swapper/221:55:032
2273441991816,1cyclictest0-21swapper/221:50:002
2273441991815,1cyclictest0-21swapper/223:00:002
2273441991815,1cyclictest0-21swapper/222:30:002
2273441991815,1cyclictest0-21swapper/222:25:002
2273441991815,1cyclictest0-21swapper/222:01:132
2273441991815,1cyclictest0-21swapper/220:15:012
2273441991815,1cyclictest0-21swapper/220:00:002
2273441991815,1cyclictest0-21swapper/219:35:002
2273441991814,2cyclictest0-21swapper/222:09:172
2273441991812,3cyclictest0-21swapper/222:19:522
2273440991816,1cyclictest2598392-21/usr/sbin/munin23:05:021
2273440991815,2cyclictest2682458-21mailstats00:00:081
2273440991815,2cyclictest2561519-21unixbench_multi22:40:081
2273440991815,2cyclictest2535982-21kthreadcore22:25:001
2273440991815,2cyclictest2298730-21systemd-run19:30:021
2273440991815,2cyclictest0-21swapper/120:45:021
2273440991813,3cyclictest1-21systemd23:50:011
2273440991812,2cyclictest134050irq/121-eno121:20:001
2273440991811,3cyclictest2324868-21tail19:54:531
227343999189,5cyclictest0-21swapper/022:49:590
227343999187,6cyclictest0-21swapper/000:10:030
2273439991815,2cyclictest2732774-21kthreadcore00:35:000
2273439991815,2cyclictest2598386-21open_files23:05:020
2273439991815,2cyclictest2404216-21kthreadcore20:55:000
2273439991815,2cyclictest2348953-21cut20:10:020
2273439991815,2cyclictest2286377-21cut19:20:030
2273439991810,2cyclictest0-21swapper/022:35:030
2649091170,2phc2sys0-21swapper/321:00:053
2649091170,1phc2sys0-21swapper/323:05:113
25996172170,2sleep1351ktimers/123:06:401
2273441991715,1cyclictest0-21swapper/222:45:002
2273441991715,1cyclictest0-21swapper/222:40:032
2273441991715,1cyclictest0-21swapper/219:50:012
2273441991715,1cyclictest0-21swapper/219:20:002
2273441991714,2cyclictest0-21swapper/219:10:012
2273441991714,1cyclictest0-21swapper/223:59:552
2273441991714,1cyclictest0-21swapper/223:40:002
2273441991714,1cyclictest0-21swapper/222:50:022
2273441991714,1cyclictest0-21swapper/221:14:552
2273441991713,2cyclictest0-21swapper/219:30:002
2273440991715,1cyclictest3851702-21mta-sts-daemon22:00:071
2273440991714,2cyclictest2718896-21kthreadcore00:25:021
2273440991714,2cyclictest2657091-21kthreadcore23:45:021
2273440991714,2cyclictest2553206-21open_inodes22:35:011
2273440991714,2cyclictest2528390-21kthreadcore22:20:011
2273440991714,2cyclictest2522796-21sh22:15:001
2273440991714,2cyclictest2496067-21sed21:59:551
2273440991714,2cyclictest2476185-21kthreadcore21:45:001
2273440991714,2cyclictest2396445-21kthreadcore20:50:001
2273440991714,2cyclictest2362544-21/usr/sbin/munin20:24:551
2273440991714,2cyclictest0-21swapper/121:25:021
2273440991714,2cyclictest0-21swapper/120:15:001
227343999178,5cyclictest0-21swapper/021:35:050
2273439991715,1cyclictest0-21swapper/021:35:000
2273439991714,2cyclictest2840498-21systemd-journal22:25:010
2273439991714,2cyclictest2528037-21kthreadcore22:20:000
2273439991714,2cyclictest2500220-21sh22:00:020
2273439991714,2cyclictest2311117-21latency_hist19:40:000
2273439991714,2cyclictest1290-21dbus-daemon21:30:000
2273439991714,2cyclictest1290-21dbus-daemon00:25:030
2273439991714,2cyclictest0-21swapper/022:55:010
2273439991714,2cyclictest0-21swapper/020:00:010
2273439991710,4cyclictest2278806-21latency_hist19:15:020
2649091160,2phc2sys0-21swapper/323:45:273
2649091160,2phc2sys0-21swapper/323:41:543
2649091160,2phc2sys0-21swapper/322:54:563
2649091160,1phc2sys0-21swapper/321:49:393
2649091160,1phc2sys0-21swapper/320:36:173
2649091160,1phc2sys0-21swapper/300:22:123
2649091160,1phc2sys0-21swapper/300:15:503
227344199164,8cyclictest0-21swapper/223:54:522
2273441991614,1cyclictest0-21swapper/223:30:052
2273441991614,1cyclictest0-21swapper/221:35:012
2273441991614,1cyclictest0-21swapper/219:55:012
2273441991614,1cyclictest0-21swapper/200:05:032
2273441991613,2cyclictest0-21swapper/223:45:082
2273441991613,1cyclictest0-21swapper/220:55:002
2273441991613,1cyclictest0-21swapper/219:25:002
2273441991613,1cyclictest0-21swapper/200:35:002
2273441991613,1cyclictest0-21swapper/200:25:072
2273441991612,2cyclictest0-21swapper/223:20:012
227344099165,5cyclictest0-21swapper/123:19:511
2273440991613,2cyclictest2677939-21latency_hist00:00:011
2273440991613,2cyclictest2560584-21kthreadcore22:40:021
2273440991613,2cyclictest2480777-21grep21:49:551
2273440991613,2cyclictest2460983-21kthreadcore21:35:001
2273440991613,2cyclictest2408246-21turbostat21:00:001
2273440991613,2cyclictest2403254-21kthreadcore20:55:011
2273440991613,2cyclictest0-21swapper/100:15:001
2273440991612,3cyclictest70-21kcompactd022:50:011
227343999168,4cyclictest0-21swapper/022:04:520
2273439991613,2cyclictest2711450-21kthreadcore00:20:000
2273439991613,2cyclictest2415778-21kthreadcore21:05:000
2273439991613,2cyclictest2366490-21kthreadcore20:25:020
2273439991613,2cyclictest2329421-21kthreadcore19:55:000
2273439991613,2cyclictest2304977-21sh19:35:010
2273439991613,2cyclictest0-21swapper/020:30:000
2273439991613,2cyclictest0-21swapper/020:15:010
2273439991613,2cyclictest0-21swapper/019:45:010
2273439991611,4cyclictest2273438-21cyclictest20:19:580
227343999160,15cyclictest2552926-21munin-run22:35:000
2649091150,3phc2sys0-21swapper/321:35:393
2649091150,2phc2sys0-21swapper/323:50:163
2649091150,2phc2sys0-21swapper/323:27:003
2649091150,2phc2sys0-21swapper/322:39:323
2649091150,2phc2sys0-21swapper/321:32:053
227344199159,3cyclictest0-21swapper/223:02:282
227344199153,3cyclictest0-21swapper/221:10:012
2273441991513,1cyclictest0-21swapper/220:50:022
2273441991513,1cyclictest0-21swapper/220:45:022
2273441991512,1cyclictest0-21swapper/223:25:012
2273441991512,1cyclictest0-21swapper/220:10:002
2273441991512,1cyclictest0-21swapper/200:14:542
227344099158,6cyclictest3851705-21mta-sts-daemon00:30:531
227344099158,6cyclictest3851704-21mta-sts-daemon21:29:051
227344099155,3cyclictest0-21swapper/119:56:271
227344099151,7cyclictest3851704-21mta-sts-daemon00:35:411
2273440991512,2cyclictest3851704-21mta-sts-daemon23:32:141
2273440991512,2cyclictest3851702-21mta-sts-daemon20:19:571
2273440991512,2cyclictest2666554-21grep23:50:051
2273440991512,2cyclictest2374374-21switchtime20:30:051
2273440991512,2cyclictest2321759-21cron19:50:001
2273440991511,3cyclictest2632558-21kthreadcore23:29:581
227344099150,14cyclictest207-21jbd2/sda2-820:35:441
227343999158,6cyclictest2655944-21kthreadcore23:45:000
227343999152,7cyclictest2293845-21aten2.4-expect19:29:520
2273439991512,2cyclictest2386185-21latency_hist20:40:020
2273439991512,2cyclictest0-21swapper/000:05:000
2273439991510,4cyclictest2237837-21GUsbEventThread20:43:210
2649091140,2phc2sys0-21swapper/300:31:083
2649091140,1phc2sys0-21swapper/322:46:063
2649091140,1phc2sys0-21swapper/321:52:523
2273441991412,1cyclictest0-21swapper/223:07:392
2273441991412,1cyclictest0-21swapper/221:40:002
2273441991412,1cyclictest0-21swapper/221:29:592
2273441991412,1cyclictest0-21swapper/220:19:532
2273441991411,1cyclictest0-21swapper/220:30:042
2273441991411,1cyclictest0-21swapper/200:39:592
227344099148,5cyclictest3851704-21mta-sts-daemon22:51:121
2273440991411,2cyclictest2704817-21proc_pri00:15:041
2273440991411,2cyclictest2423438-21kthreadcore21:09:591
2273440991411,2cyclictest1-21systemd19:16:451
227343999148,5cyclictest3851705-21mta-sts-daemon23:13:380
227343999142,2cyclictest0-21swapper/021:50:450
2273439991411,2cyclictest2424609-21systemd-run21:10:010
2649091130,4phc2sys0-21swapper/323:04:433
2649091130,4phc2sys0-21swapper/319:15:013
2649091130,2phc2sys0-21swapper/322:31:563
2649091130,2phc2sys0-21swapper/322:22:583
2649091130,2phc2sys0-21swapper/321:29:073
2273441991311,1cyclictest0-21swapper/220:25:022
2273441991311,1cyclictest0-21swapper/200:22:132
2273441991310,2cyclictest0-21swapper/219:35:032
2649091121,2phc2sys0-21swapper/320:34:533
2649091121,2phc2sys0-21swapper/319:44:583
2649091120,4phc2sys0-21swapper/320:29:523
2649091120,3phc2sys0-21swapper/320:55:003
2649091120,2phc2sys0-21swapper/322:42:143
2649091120,2phc2sys0-21swapper/319:55:053
2649091120,2phc2sys0-21swapper/300:38:363
2649091120,2phc2sys0-21swapper/300:27:163
2649091120,2phc2sys0-21swapper/300:10:133
2649091120,2phc2sys0-21swapper/300:01:513
2649091120,1phc2sys0-21swapper/322:25:163
227344099129,2cyclictest2273490-21pmu-power19:10:011
227343999121,4cyclictest2268408-21/usr/sbin/munin19:10:020
2649091110,2phc2sys0-21swapper/323:19:293
2649091110,1phc2sys0-21swapper/320:49:233
2649091110,1phc2sys0-21swapper/319:54:483
2649091110,1phc2sys0-21swapper/319:27:353
2649091110,1phc2sys0-21swapper/300:08:243
2649091101,2phc2sys0-21swapper/322:55:463
2649091101,2phc2sys0-21swapper/321:15:203
2649091101,2phc2sys0-21swapper/321:09:553
2649091101,2phc2sys0-21swapper/320:59:553
2649091101,2phc2sys0-21swapper/319:45:023
2649091100,2phc2sys0-21swapper/323:24:563
2649091100,2phc2sys0-21swapper/322:16:493
2649091100,2phc2sys0-21swapper/321:59:573
2649091100,2phc2sys0-21swapper/321:41:513
2649091100,2phc2sys0-21swapper/320:10:033
2649091100,2phc2sys0-21swapper/319:35:013
2649091100,1phc2sys0-21swapper/320:41:383
264909191,3phc2sys0-21swapper/323:31:123
264909191,2phc2sys0-21swapper/322:06:433
264909191,1phc2sys0-21swapper/323:10:243
264909190,2phc2sys0-21swapper/323:36:303
264909190,2phc2sys0-21swapper/321:10:513
264909190,2phc2sys0-21swapper/320:23:213
264909190,2phc2sys0-21swapper/320:19:553
264909190,2phc2sys0-21swapper/320:05:073
264909190,2phc2sys0-21swapper/320:04:553
264909190,1phc2sys0-21swapper/319:37:373
264909190,1phc2sys0-21swapper/319:20:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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