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2025-07-07 - 05:30
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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 Mon Jul 07, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
371013021070,2sleep12240602-1atopacctd23:00:231
37887652420,2sleep10-21swapper/123:45:171
3366788993426,7cyclictest3664484-21latency_hist22:35:020
3366788993116,8cyclictest0-21swapper/023:10:140
35956102280,1sleep03595614-21tail21:55:180
924598250,3rtkit-daemon3883933-21ssh00:39:270
378525522518,2sleep30-21swapper/323:41:353
3366788992522,2cyclictest3813995-21perf00:00:010
25010912517,2phc2sys0-21swapper/323:39:313
3366792992421,2cyclictest0-21swapper/100:00:011
25010912418,3phc2sys0-21swapper/322:32:413
25010912418,3phc2sys0-21swapper/300:15:013
25010912418,2phc2sys0-21swapper/323:30:373
25010912418,2phc2sys0-21swapper/322:59:033
25010912418,2phc2sys0-21swapper/321:22:403
25010912418,2phc2sys0-21swapper/321:18:483
25010912418,2phc2sys0-21swapper/321:09:423
25010912417,2phc2sys0-21swapper/321:55:033
25010912417,2phc2sys0-21swapper/321:33:473
25010912417,2phc2sys0-21swapper/321:10:063
25010912417,2phc2sys0-21swapper/320:36:323
25010912417,2phc2sys0-21swapper/300:09:373
384951222318,3sleep30-21swapper/300:20:153
25010912318,3phc2sys0-21swapper/323:01:393
25010912318,3phc2sys0-21swapper/322:40:513
25010912318,3phc2sys0-21swapper/322:03:073
25010912317,3phc2sys0-21swapper/322:22:113
25010912317,2phc2sys0-21swapper/323:19:353
25010912317,2phc2sys0-21swapper/323:06:573
25010912317,2phc2sys0-21swapper/322:48:493
25010912317,2phc2sys0-21swapper/322:35:393
25010912317,2phc2sys0-21swapper/322:27:293
25010912317,2phc2sys0-21swapper/322:16:193
25010912317,2phc2sys0-21swapper/322:14:233
25010912317,2phc2sys0-21swapper/322:05:453
25010912317,2phc2sys0-21swapper/321:53:553
25010912317,2phc2sys0-21swapper/321:53:553
25010912317,2phc2sys0-21swapper/321:35:513
25010912317,2phc2sys0-21swapper/321:28:053
25010912317,2phc2sys0-21swapper/320:26:223
25010912317,2phc2sys0-21swapper/320:15:403
25010912317,2phc2sys0-21swapper/320:13:593
25010912317,2phc2sys0-21swapper/320:04:293
25010912317,2phc2sys0-21swapper/319:53:033
25010912317,2phc2sys0-21swapper/319:31:553
25010912317,2phc2sys0-21swapper/319:20:413
25010912317,2phc2sys0-21swapper/319:18:463
382228822217,2sleep20-21swapper/200:04:112
374394922218,2sleep30-21swapper/323:20:073
360292322217,2sleep20-21swapper/221:59:502
354054122218,2sleep20-21swapper/221:23:432
341246222218,2sleep30-21swapper/319:45:183
3366795992220,1cyclictest0-21swapper/222:05:012
3366795992220,1cyclictest0-21swapper/221:55:022
3366795992220,1cyclictest0-21swapper/221:55:022
3366795992219,1cyclictest0-21swapper/219:45:012
3366792992219,2cyclictest3743697-21systemd-run23:20:011
3366792992215,3cyclictest0-21swapper/123:45:001
3366788992214,4cyclictest3736314-21irqcore23:15:220
3366788992213,5cyclictest3613689-21kernelversion22:05:200
25010912217,3phc2sys0-21swapper/323:53:493
25010912217,3phc2sys0-21swapper/323:45:193
25010912217,3phc2sys0-21swapper/323:11:093
25010912217,3phc2sys0-21swapper/322:52:413
25010912217,3phc2sys0-21swapper/320:22:123
25010912217,3phc2sys0-21swapper/319:37:163
25010912217,3phc2sys0-21swapper/319:13:233
25010912217,3phc2sys0-21swapper/300:35:533
25010912217,3phc2sys0-21swapper/300:04:433
388274822117,2sleep20-21swapper/200:37:292
387369322117,2sleep30-21swapper/300:32:133
387369322117,2sleep30-21swapper/300:32:133
386464422117,2sleep20-21swapper/200:26:432
385687122117,2sleep20-21swapper/200:23:222
384824922117,2sleep20-21swapper/200:18:422
383898122117,2sleep20-21swapper/200:12:452
383130222117,2sleep20-21swapper/200:09:362
381245822117,2sleep20-21swapper/223:57:382
379669322117,2sleep20-21swapper/223:50:042
378544322117,2sleep20-21swapper/223:41:542
377796422117,2sleep20-21swapper/223:39:062
37718292210,1sleep13771833-21tr23:35:191
376822422117,2sleep20-21swapper/223:32:372
376068222117,2sleep30-21swapper/323:29:333
375161222117,2sleep20-21swapper/223:23:552
374224622117,2sleep20-21swapper/223:17:502
373415622117,2sleep20-21swapper/223:13:532
372411722117,2sleep20-21swapper/223:06:392
371623822117,2sleep20-21swapper/223:03:072
369699022117,2sleep20-21swapper/222:50:322
367056522117,2sleep20-21swapper/222:35:292
358485822117,2sleep30-21swapper/321:49:013
353196422117,2sleep20-21swapper/221:19:342
352214022117,2sleep20-21swapper/221:13:252
343610022117,2sleep30-21swapper/320:05:133
338087322117,2sleep20-21swapper/219:17:482
3366795992118,1cyclictest0-21swapper/219:15:012
3366792992118,2cyclictest3541743-21gdbus21:25:011
3366788992118,2cyclictest3523589-21latency_hist21:15:020
3366788992118,2cyclictest1695-21dbus-daemon00:35:010
3366788992118,2cyclictest1695-21dbus-daemon00:35:010
25010912117,2phc2sys0-21swapper/323:55:313
25010912117,2phc2sys0-21swapper/321:42:213
25010912117,2phc2sys0-21swapper/320:55:403
25010912117,2phc2sys0-21swapper/320:40:263
25010912117,2phc2sys0-21swapper/300:26:253
25010912117,2phc2sys0-21swapper/300:15:353
25010912115,2phc2sys0-21swapper/320:52:233
387481622017,2sleep20-21swapper/200:34:052
387481622017,2sleep20-21swapper/200:34:052
362786122017,2sleep20-21swapper/222:12:332
361701922017,2sleep20-21swapper/222:05:232
354843522017,2sleep20-21swapper/221:26:442
350200322017,2sleep20-21swapper/220:56:222
349621222017,2sleep20-21swapper/220:54:262
348405522017,2sleep20-21swapper/220:43:282
347238722017,2sleep20-21swapper/220:35:062
345984822017,2sleep20-21swapper/220:23:322
345369222017,2sleep20-21swapper/220:17:272
344774022017,2sleep20-21swapper/220:13:302
343003422017,2sleep20-21swapper/220:00:032
342963222017,2sleep20-21swapper/219:59:072
342949922017,2sleep30-21swapper/319:57:243
342352722017,2sleep20-21swapper/219:53:262
341735322017,2sleep20-21swapper/219:46:532
340513822017,2sleep20-21swapper/219:38:482
339298122017,2sleep20-21swapper/219:28:102
338689522017,2sleep20-21swapper/219:22:452
3366795992017,1cyclictest0-21swapper/222:35:012
3366792992017,2cyclictest3603358-21systemd-run22:00:031
3366792992014,5cyclictest0-21swapper/122:30:021
3366788992017,2cyclictest3585576-21grep21:50:010
25010912017,2phc2sys0-21swapper/319:41:513
25010912017,2phc2sys0-21swapper/319:25:523
25010912015,2phc2sys0-21swapper/321:04:053
25010912014,2phc2sys0-21swapper/320:45:333
25010912014,2phc2sys0-21swapper/320:31:593
3366792991916,2cyclictest3641267-21kthreadcore22:20:221
3366792991916,2cyclictest3523397-21apt-key21:15:021
3366792991915,3cyclictest3420915-21kthreadcore19:50:211
3366792991911,3cyclictest0-21swapper/123:34:591
336678899198,6cyclictest0-21swapper/022:50:200
336678899195,2cyclictest17350irq/127-ahci[0000:00:17.0]23:45:000
3366788991916,2cyclictest3594646-21sh21:55:020
3366788991916,2cyclictest3594646-21sh21:55:020
3366788991916,2cyclictest3393238-21systemd-run19:30:010
3366788991911,7cyclictest3824776-21kthreadcore00:05:210
3366788991911,6cyclictest3717647-21munin-plugin-st23:05:010
3366788991911,4cyclictest3700133-21acpi22:55:140
3366788991910,5cyclictest0-21swapper/022:30:020
924598180,2rtkit-daemon0-21swapper/120:50:521
3366795991815,1cyclictest0-21swapper/222:15:232
3366792991815,2cyclictest3726240-21grep23:10:011
3366792991815,2cyclictest3585576-21grep21:50:001
3366792991815,2cyclictest3411488-21latency_hist19:45:011
3366792991815,2cyclictest1731-21in:imuxsock22:55:001
3366792991813,4cyclictest3366782-21cyclictest21:41:171
3366792991812,2cyclictest3612321-21/usr/sbin/munin22:05:211
3366792991811,5cyclictest1695-21dbus-daemon23:00:011
336678899188,5cyclictest0-21swapper/022:10:130
336678899187,6cyclictest0-21swapper/021:40:230
3366788991816,1cyclictest3411363-21/usr/sbin/munin19:45:010
3366788991815,2cyclictest3805355-21/usr/sbin/munin23:55:010
3366788991815,2cyclictest3717536-21kworker/u16:1-rpciod23:10:010
3366788991815,2cyclictest1726-21systemd-logind20:45:020
3366795991715,1cyclictest0-21swapper/221:10:012
3366795991714,1cyclictest0-21swapper/221:37:172
3366795991714,1cyclictest0-21swapper/221:04:202
3366795991713,2cyclictest0-21swapper/222:20:242
336679299176,6cyclictest0-21swapper/120:00:011
3366792991714,2cyclictest3875539-21apt-key00:35:011
3366792991714,2cyclictest3875539-21apt-key00:35:001
3366792991714,2cyclictest3603544-21apt22:00:131
3366792991714,2cyclictest3594152-21cron21:55:011
3366792991714,2cyclictest3594152-21cron21:55:001
3366792991714,2cyclictest3514690-21sh21:10:011
3366792991714,2cyclictest3381077-21grep19:20:001
3366792991714,2cyclictest3373183-21latency_hist19:15:011
336678899179,2cyclictest0-21swapper/022:15:220
336678899177,6cyclictest0-21swapper/023:45:110
336678899177,5cyclictest0-21swapper/023:30:000
3366788991714,2cyclictest1707-21polkitd21:40:020
3366788991714,2cyclictest1707-21polkitd00:15:010
3366788991714,2cyclictest1695-21dbus-daemon23:40:000
3366788991713,3cyclictest3535367-21cut21:20:280
3366788991712,2cyclictest1312-21hwrng21:34:320
3366795991613,1cyclictest0-21swapper/222:40:172
3366795991613,1cyclictest0-21swapper/221:45:212
336679299169,3cyclictest3761204-21systemd23:30:011
3366792991613,2cyclictest3843679-21kthreadcore00:15:231
3366792991613,2cyclictest3502585-21systemd-run21:00:021
3366792991613,2cyclictest3484865-21cpuspeed_turbos20:45:181
3366792991613,2cyclictest3483784-21unixbench_singl20:40:311
3366792991613,2cyclictest3405425-21systemd19:40:021
3366792991613,2cyclictest3393291-21sh19:30:011
3366792991612,3cyclictest3691208-21kworker/u16:2+nfsiod23:20:321
3366792991612,3cyclictest3594217-21kworker/u16:3+nfsiod22:17:121
3366792991612,3cyclictest3553896-21kthreadcore21:30:241
336678899168,4cyclictest0-21swapper/022:05:000
336678899168,2cyclictest0-21swapper/000:16:090
336678899166,6cyclictest3814506-21head00:00:160
336678899166,6cyclictest0-21swapper/000:24:520
3366788991613,2cyclictest9244-21rtkit-daemon22:45:020
3366788991613,2cyclictest3665805-21fschecks_count22:35:180
3366788991613,2cyclictest3514414-21diskmemload22:24:520
3366788991613,2cyclictest3454082-21latency_hist20:20:010
3366788991613,2cyclictest3441363-21unixbench-2d20:05:340
3366788991613,2cyclictest3372957-21if_enp1s0.819:15:010
3366788991613,2cyclictest3366782-21cyclictest20:50:000
3366788991613,2cyclictest1707-21polkitd20:30:010
3366788991613,2cyclictest1707-21polkitd20:25:010
3366795991513,1cyclictest0-21swapper/222:55:222
3366795991513,1cyclictest0-21swapper/222:25:212
3366795991512,2cyclictest0-21swapper/221:40:242
3366795991512,1cyclictest0-21swapper/223:50:022
3366795991512,1cyclictest0-21swapper/223:25:262
3366795991512,1cyclictest0-21swapper/222:50:002
336679299157,1cyclictest924598rtkit-daemon22:10:351
3366792991512,2cyclictest3866868-21systemd-run00:30:011
3366792991512,2cyclictest3820029-21unixbench_singl00:00:301
3366792991512,2cyclictest3666121-21cut22:35:201
3366792991512,2cyclictest3465267-21mailstats20:25:251
3366792991512,2cyclictest2240602-1atopacctd00:05:261
3366792991512,2cyclictest1700-21gmain20:10:011
3366792991511,3cyclictest3678598-21latency22:40:221
3366792991511,3cyclictest3432841-21kthreadcore20:00:221
3366792991511,2cyclictest0-21swapper/119:25:021
3366792991510,4cyclictest3542951-21sort21:25:201
336678899159,5cyclictest3529263-21unixbench-2d21:15:300
336678899157,4cyclictest3707734-21kworker/u16:0-rpciod23:23:110
336678899156,5cyclictest0-21swapper/021:26:010
336678899155,5cyclictest0-21swapper/023:35:010
336678899155,5cyclictest0-21swapper/022:40:170
336678899153,6cyclictest3502793-21aten2.4-expect21:00:180
3366788991512,2cyclictest3435018-21mailstats20:00:260
3366788991510,4cyclictest3498515-21tr20:55:200
336679599149,3cyclictest0-21swapper/220:35:022
3366795991412,1cyclictest0-21swapper/220:45:242
3366795991412,1cyclictest0-21swapper/220:10:022
336679299145,4cyclictest3878827-21tr00:35:241
3366792991411,2cyclictest3832902-21if_enp1s0.800:10:171
3366792991411,2cyclictest3729724-21kthreadcore23:10:201
3366792991411,2cyclictest3560147-21cpuspeed_turbos21:35:151
3366792991411,2cyclictest3503405-21gltestperf21:00:211
3366792991411,2cyclictest3455823-21kthreadcore20:20:211
3366792991411,2cyclictest3449510-21kthreadcore20:15:201
3366792991410,3cyclictest3797610-21tail23:50:181
3366792991410,3cyclictest3734892-21kworker/u16:3+nfsiod00:21:141
3366792991410,3cyclictest3684419-21kthreadcore22:45:201
3366792991410,3cyclictest3523939-21aten_repower_en21:15:161
3366792991410,3cyclictest3442525-21cstates20:10:171
336678899147,6cyclictest3510679-21tr21:05:200
336678899146,7cyclictest3413587-21tr19:45:200
3366788991411,2cyclictest3859940-21kthreadcore00:25:400
3366788991411,2cyclictest3447915-21systemd-run20:15:010
3366788991411,2cyclictest3394664-21irqrtprio19:30:210
3366788991411,2cyclictest3387094-21perf19:25:010
3366788991411,2cyclictest3366782-21cyclictest20:35:220
3366788991411,2cyclictest1726-21systemd-logind20:55:020
3366795991310,1cyclictest0-21swapper/219:30:222
336679299139,3cyclictest3393553-21aten_repower_fr19:30:161
3366792991310,2cyclictest3656979-21fschecks_time22:30:181
3366792991310,2cyclictest3472135-21latency_hist20:35:011
3366788991310,2cyclictest3427028-21kthreadcore19:55:220
3366788991310,2cyclictest3420125-21kthreadcore19:50:210
3366788991310,2cyclictest3400204-21gltestperf19:35:180
336679599129,1cyclictest0-21swapper/220:25:142
3366795991210,1cyclictest0-21swapper/221:30:232
336679299129,2cyclictest3474907-21kthreadcore20:35:221
336679299129,2cyclictest3413048-21irqrtprio19:45:191
336679299129,2cyclictest0-21swapper/119:10:021
336678899129,2cyclictest2240602-1atopacctd19:15:160
336678899122,5cyclictest3466344-21/usr/sbin/munin20:30:190
336678899106,2cyclictest0-21swapper/019:10:010
33667959986,1cyclictest0-21swapper/219:10:012
250109181,2phc2sys0-21swapper/319:05:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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