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2026-06-06 - 12:29
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Sat Jun 06, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22873142760,1sleep10-21swapper/121:59:481
22963652690,1sleep12296364-21ssh22:07:371
2059714993421,5cyclictest3827634-1atopacctd00:35:010
2059714993326,5cyclictest2066359-21if_eno119:15:010
2059714992412,6cyclictest0-21swapper/021:55:010
2059717992320,1cyclictest0-21swapper/221:40:012
2059715992320,2cyclictest2528976-21apt-config00:40:001
2059714992315,7cyclictest0-21swapper/021:50:000
383433398220,5rtkit-daemon2469360-21ssh00:00:530
2059717992219,1cyclictest0-21swapper/200:20:002
2059717992219,1cyclictest0-21swapper/200:20:002
2059714992219,2cyclictest3827634-1atopacctd21:10:020
2059714992219,2cyclictest2431242-21grep23:35:000
2059714992215,6cyclictest2415606-21awk23:24:460
2059714992214,5cyclictest2059711-21cyclictest00:19:390
2059714992214,5cyclictest2059711-21cyclictest00:19:380
205971499220,4cyclictest2352978-21kthreadcore22:44:440
2059717992113,2cyclictest0-21swapper/200:21:472
2059715992118,2cyclictest2059711-21cyclictest21:30:011
2059715992113,3cyclictest0-21swapper/122:25:011
2059714992118,2cyclictest2087641-21grep19:30:010
2059714992115,2cyclictest491rcuog/219:10:010
2059717992017,1cyclictest0-21swapper/200:00:012
2059715992017,2cyclictest3824565-21in:imuxsock19:55:011
2059715992017,2cyclictest1290-21dbus-daemon20:10:001
2059715992014,2cyclictest0-21swapper/121:19:501
2059714992017,2cyclictest2332886-21/usr/sbin/munin22:30:000
2649091190,2phc2sys0-21swapper/321:55:403
2649091190,2phc2sys0-21swapper/321:43:043
2059717991917,1cyclictest0-21swapper/222:55:002
2059715991916,2cyclictest2187444-21latency_hist20:50:001
2059715991916,2cyclictest2131183-21sh20:05:011
2059715991916,2cyclictest1290-21dbus-daemon00:10:001
2059715991916,2cyclictest0-21swapper/123:10:001
2059715991916,2cyclictest0-21swapper/121:35:021
2059715991912,3cyclictest2331385-21kthreadcore22:29:441
205971499198,6cyclictest0-21swapper/022:19:350
205971499198,6cyclictest0-21swapper/021:29:460
205971499197,7cyclictest0-21swapper/021:34:440
2059714991916,2cyclictest2187441-21dump-pmu-power20:50:000
2059714991916,2cyclictest2059711-21cyclictest19:20:010
2059714991915,2cyclictest0-21swapper/023:05:010
2059717991816,1cyclictest0-21swapper/219:15:022
2059717991815,1cyclictest0-21swapper/221:50:012
2059717991814,2cyclictest0-21swapper/200:09:402
205971599189,4cyclictest0-21swapper/123:25:011
2059715991815,2cyclictest3851704-21mta-sts-daemon21:52:451
2059715991815,2cyclictest2429114-21kthreadcore23:34:421
2059715991815,2cyclictest2355435-21apt-config22:45:021
2059715991815,2cyclictest2212420-21diskmemload23:14:381
2059715991815,2cyclictest2066252-21cpu19:15:011
2059715991814,3cyclictest2464391-21kthreadcore23:59:421
2059715991814,2cyclictest1326-21systemd-logind20:45:011
2059714991815,2cyclictest2439013-21/usr/sbin/munin23:40:020
2059714991815,2cyclictest2175034-21kworker/u16:0-ext4-rsv-conversion21:19:590
2059714991814,3cyclictest2392471-21kthreadcore23:09:430
2059714991810,7cyclictest0-21swapper/023:45:540
2059714991810,5cyclictest2505493-21latency00:24:440
2059714991810,5cyclictest2322678-21kthreadcore22:24:430
383433398170,8rtkit-daemon3851705-21mta-sts-daemon00:09:440
2649091170,2phc2sys0-21swapper/321:10:283
2059717991715,1cyclictest0-21swapper/223:40:012
2059717991714,1cyclictest0-21swapper/222:39:372
2059717991714,1cyclictest0-21swapper/222:19:422
2059717991714,1cyclictest0-21swapper/222:09:472
2059717991714,1cyclictest0-21swapper/221:44:432
205971599179,4cyclictest2334620-21/usr/sbin/munin22:34:441
2059715991714,2cyclictest2143715-21idleruntime-cro20:15:011
2059715991714,2cyclictest0-21swapper/123:04:391
2059715991714,2cyclictest0-21swapper/122:15:001
2059715991714,2cyclictest0-21swapper/119:30:001
2059715991711,2cyclictest2215517-21kthreadcore21:14:431
2059715991710,3cyclictest0-21swapper/123:30:011
205971499179,5cyclictest2175642-21tail20:44:350
205971499179,2cyclictest0-21swapper/023:19:390
205971499178,8cyclictest0-21swapper/021:24:350
205971499178,5cyclictest0-21swapper/022:15:000
2059714991714,2cyclictest3851703-21mta-sts-daemon22:49:060
2059714991714,2cyclictest2264749-21mailstats21:44:480
2059714991714,2cyclictest2124921-21latency_hist20:00:000
2059714991714,2cyclictest2059711-21cyclictest19:34:360
2059714991711,2cyclictest491rcuog/223:44:290
2059714991710,6cyclictest2059711-21cyclictest22:40:010
2059714991710,4cyclictest2138246-21tail20:14:360
2649091161,4phc2sys0-21swapper/322:55:583
2649091160,2phc2sys0-21swapper/322:29:483
2649091160,2phc2sys0-21swapper/321:50:213
2649091160,2phc2sys0-21swapper/321:35:393
2649091160,2phc2sys0-21swapper/300:07:213
205971799169,5cyclictest2522874-21chrt00:38:582
2059717991614,1cyclictest0-21swapper/223:10:002
2059717991614,1cyclictest0-21swapper/223:05:012
2059717991614,1cyclictest0-21swapper/222:05:012
2059717991613,1cyclictest0-21swapper/223:49:392
2059717991613,1cyclictest0-21swapper/222:25:022
2059717991613,1cyclictest0-21swapper/220:10:012
2059717991613,1cyclictest0-21swapper/219:24:372
2059717991612,2cyclictest0-21swapper/222:49:432
205971799161,11cyclictest0-21swapper/220:40:002
205971599169,5cyclictest2170832-21tr20:39:421
2059715991613,2cyclictest2508790-21gltestperf00:29:391
2059715991613,2cyclictest2485835-21cpuspeed00:14:371
2059715991613,2cyclictest2212517-21systemd-run21:10:011
2059715991613,2cyclictest1290-21dbus-daemon21:25:001
2059715991613,2cyclictest0-21swapper/123:40:011
2059715991613,2cyclictest0-21swapper/123:00:001
2059715991613,2cyclictest0-21swapper/122:20:001
2059715991611,3cyclictest3880722-21gmain19:40:011
2059715991611,2cyclictest3851703-21mta-sts-daemon00:21:211
2059715991611,2cyclictest3851702-21mta-sts-daemon21:48:091
205971499169,5cyclictest2171208-21tr20:39:420
205971499167,5cyclictest0-21swapper/022:09:410
205971499164,7cyclictest2206214-21awk21:05:000
2059714991614,1cyclictest3851704-21mta-sts-daemon23:53:090
2059714991613,2cyclictest2468948-21sh00:00:020
2059714991613,2cyclictest2378471-21/usr/sbin/munin23:00:000
2059714991613,2cyclictest2192829-21kthreadcore20:54:440
2059714991613,2cyclictest2156794-21sshd20:28:530
2059714991613,2cyclictest2059711-21cyclictest20:59:350
205971499161,11cyclictest0-21swapper/022:04:340
2649091150,5phc2sys0-21swapper/319:49:413
2649091150,2phc2sys0-21swapper/322:51:063
2649091150,2phc2sys0-21swapper/322:22:153
205971799159,3cyclictest2236342-21chrt21:28:302
205971799151,8cyclictest0-21swapper/220:29:352
2059717991513,1cyclictest0-21swapper/222:45:002
2059717991513,1cyclictest0-21swapper/221:10:022
2059717991513,1cyclictest0-21swapper/221:05:012
2059717991513,1cyclictest0-21swapper/219:19:452
2059717991513,1cyclictest0-21swapper/219:10:012
2059717991512,2cyclictest0-21swapper/221:14:362
2059717991512,1cyclictest0-21swapper/223:29:472
2059717991512,1cyclictest0-21swapper/223:19:542
2059717991512,1cyclictest0-21swapper/222:35:012
2059717991512,1cyclictest0-21swapper/221:59:012
2059717991512,1cyclictest0-21swapper/219:44:372
2059717991512,1cyclictest0-21swapper/219:44:372
2059717991511,1cyclictest0-21swapper/221:24:352
205971599158,5cyclictest1290-21dbus-daemon19:20:011
205971599157,3cyclictest0-21swapper/123:41:541
205971599154,3cyclictest3851705-21mta-sts-daemon00:18:311
205971599154,3cyclictest3851705-21mta-sts-daemon00:18:311
2059715991512,2cyclictest2368471-21kthreadcore22:54:441
2059715991512,2cyclictest2363301-21apt-key22:50:011
2059715991512,2cyclictest2188798-21gltestperf20:54:401
2059715991512,2cyclictest2107182-21tr19:49:371
2059715991512,2cyclictest2076132-21tail19:24:401
2059715991512,2cyclictest2059711-21cyclictest23:54:401
2059715991512,2cyclictest2059711-21cyclictest21:44:511
2059715991512,2cyclictest1290-21dbus-daemon21:05:011
2059715991511,3cyclictest3851705-21mta-sts-daemon20:29:391
2059715991511,3cyclictest2251568-21kworker/u16:1+nfsiod21:39:001
2059715991511,2cyclictest0-21swapper/122:05:001
2059715991510,4cyclictest2347915-21kworker/u16:0-nfsiod23:49:501
205971499157,4cyclictest3851703-21mta-sts-daemon21:35:550
205971499156,5cyclictest0-21swapper/021:59:410
205971499155,5cyclictest0-21swapper/000:39:370
205971499155,5cyclictest0-21swapper/000:12:540
205971499154,6cyclictest2112462-21awk19:50:000
205971499151,6cyclictest1290-21dbus-daemon19:40:010
2059714991512,2cyclictest2513350-21mailstats00:29:470
2059714991512,2cyclictest0-21swapper/023:15:020
2059714991511,3cyclictest2101781-21irqrtprio19:44:420
2059714991511,3cyclictest2101781-21irqrtprio19:44:410
2649091145,2phc2sys0-21swapper/319:39:363
2649091140,3phc2sys0-21swapper/322:39:593
2649091140,2phc2sys0-21swapper/323:31:283
2649091140,2phc2sys0-21swapper/322:13:473
2649091140,2phc2sys0-21swapper/321:48:213
2649091140,2phc2sys0-21swapper/300:23:503
2649091140,1phc2sys0-21swapper/320:24:443
205971799145,1cyclictest0-21swapper/220:15:002
2059717991412,1cyclictest0-21swapper/223:44:372
2059717991412,1cyclictest0-21swapper/222:10:582
2059717991411,1cyclictest0-21swapper/223:23:052
2059717991411,1cyclictest0-21swapper/223:14:452
2059717991411,1cyclictest0-21swapper/220:35:012
2059717991411,1cyclictest0-21swapper/220:00:012
2059717991411,1cyclictest0-21swapper/219:54:492
2059717991411,1cyclictest0-21swapper/219:29:442
2059717991411,1cyclictest0-21swapper/200:26:562
2059717991410,2cyclictest0-21swapper/200:34:442
2059717991410,2cyclictest0-21swapper/200:14:352
205971599149,4cyclictest2059711-21cyclictest20:59:071
205971599147,6cyclictest3851703-21mta-sts-daemon23:15:301
205971599145,4cyclictest0-21swapper/120:20:521
205971599141,5cyclictest2476573-21munin-run00:05:021
2059715991412,1cyclictest2342762-21grep22:39:391
2059715991411,2cyclictest2120782-21kthreadcore19:59:431
2059715991411,2cyclictest2103503-21kthreadcore19:44:441
2059715991411,2cyclictest2103503-21kthreadcore19:44:441
2059715991411,2cyclictest2090996-21kthreadcore19:34:431
2059715991410,3cyclictest2347915-21kworker/u16:0+nfsiod00:33:051
2059715991410,3cyclictest2166442-21kthreadcore20:34:431
205971499147,5cyclictest2155310-21tr20:24:430
205971499143,6cyclictest0-21swapper/020:05:530
205971499143,3cyclictest1996-21runrttasks20:34:440
205971499143,2cyclictest0-21swapper/021:12:110
2059714991411,2cyclictest3851703-21mta-sts-daemon23:28:410
2059714991411,2cyclictest3851703-21mta-sts-daemon22:50:080
2059714991411,2cyclictest2145657-21kthreadcore20:19:420
2059714991411,2cyclictest1972790-21kworker/u16:3-ext4-rsv-conversion19:24:590
2059714991410,3cyclictest2115976-21kthreadcore19:54:440
2649091131,1phc2sys0-21swapper/323:28:093
2649091131,1phc2sys0-21swapper/300:12:413
2649091130,3phc2sys0-21swapper/320:59:343
2649091130,2phc2sys0-21swapper/323:39:283
2649091130,2phc2sys0-21swapper/323:24:303
2649091130,1phc2sys0-21swapper/319:07:503
22887302130,2sleep30-21swapper/322:02:113
205971799139,3cyclictest0-21swapper/223:54:432
205971799138,2cyclictest0-21swapper/221:51:522
205971799134,6cyclictest0-21swapper/220:49:352
205971799134,1cyclictest0-21swapper/219:35:002
205971799131,6cyclictest0-21swapper/219:40:002
2059717991311,1cyclictest0-21swapper/223:34:362
2059717991310,2cyclictest0-21swapper/223:00:012
2059717991310,1cyclictest0-21swapper/221:34:402
2059717991310,1cyclictest0-21swapper/221:16:432
2059717991310,1cyclictest0-21swapper/220:59:382
2059717991310,1cyclictest0-21swapper/220:54:432
2059717991310,1cyclictest0-21swapper/220:44:412
2059717991310,1cyclictest0-21swapper/220:04:442
2059717991310,1cyclictest0-21swapper/219:49:422
2059717991310,1cyclictest0-21swapper/200:02:322
2059715991310,2cyclictest2147230-21kthreadcore20:19:431
2059714991310,2cyclictest3851704-21mta-sts-daemon22:31:540
2059714991310,2cyclictest2126189-21fschecks_count20:04:380
2649091123,2phc2sys0-21swapper/300:18:493
2649091123,2phc2sys0-21swapper/300:18:493
2649091121,4phc2sys0-21swapper/320:04:353
2649091120,3phc2sys0-21swapper/323:09:343
2649091120,2phc2sys0-21swapper/323:56:363
2649091120,2phc2sys0-21swapper/323:16:233
2649091120,2phc2sys0-21swapper/323:02:123
2649091120,2phc2sys0-21swapper/321:28:493
2649091120,2phc2sys0-21swapper/321:17:353
205971799129,2cyclictest0-21swapper/222:25:512
205971799129,1cyclictest0-21swapper/220:24:002
205971799129,1cyclictest0-21swapper/220:19:422
2649091110,5phc2sys0-21swapper/319:19:353
2649091110,3phc2sys0-21swapper/300:29:353
2649091110,2phc2sys0-21swapper/323:50:343
2649091110,2phc2sys0-21swapper/323:40:493
2649091110,2phc2sys0-21swapper/320:39:353
2649091110,2phc2sys0-21swapper/319:11:203
2649091110,2phc2sys0-21swapper/300:32:113
2649091110,1phc2sys0-21swapper/319:50:143
2649091110,1phc2sys0-21swapper/319:21:133
2649091104,2phc2sys0-21swapper/319:34:423
2649091101,2phc2sys0-21swapper/323:11:063
2649091101,2phc2sys0-21swapper/322:07:383
2649091101,2phc2sys0-21swapper/321:30:383
2649091101,2phc2sys0-21swapper/300:36:123
2649091101,2phc2sys0-21swapper/300:01:253
2649091100,2phc2sys0-21swapper/322:45:213
2649091100,2phc2sys0-21swapper/322:33:223
2649091100,2phc2sys0-21swapper/321:20:073
2649091100,2phc2sys0-21swapper/321:03:383
2649091100,2phc2sys0-21swapper/320:44:453
2649091100,2phc2sys0-21swapper/320:15:553
2649091100,1phc2sys0-21swapper/323:45:133
2649091100,1phc2sys0-21swapper/322:44:323
2649091100,1phc2sys0-21swapper/319:58:113
2649091100,1phc2sys0-21swapper/319:44:333
2649091100,1phc2sys0-21swapper/319:44:333
264909191,4phc2sys0-21swapper/320:14:353
264909191,2phc2sys0-21swapper/320:54:433
264909191,2phc2sys0-21swapper/320:07:533
264909190,6phc2sys2206520-21chrt21:05:303
264909190,3phc2sys0-21swapper/320:30:513
264909190,2phc2sys0-21swapper/322:15:123
264909190,2phc2sys0-21swapper/320:49:373
264909190,2phc2sys0-21swapper/320:30:013
264909190,2phc2sys0-21swapper/319:28:023
20597159997,1cyclictest0-21swapper/119:10:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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