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2025-07-11 - 14:25
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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 Fri Jul 11, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327626821620,1sleep03276272-21kthreadcore22:30:240
348248821100,2sleep03482485-21perf00:30:000
319970021040,2sleep30-21swapper/321:48:233
31496732690,1sleep13149676-21irqcore21:20:231
31877962310,2sleep30-21swapper/321:40:213
25010913018,5phc2sys0-21swapper/321:18:483
25010912617,2phc2sys0-21swapper/321:10:183
2982287992522,1cyclictest0-21swapper/223:45:012
2982287992522,1cyclictest0-21swapper/223:45:002
2982281992522,2cyclictest3412488-21grep23:50:020
25010912518,2phc2sys0-21swapper/322:21:553
25010912418,3phc2sys0-21swapper/321:56:383
25010912418,3phc2sys0-21swapper/319:35:133
25010912418,3phc2sys0-21swapper/300:00:303
25010912418,2phc2sys0-21swapper/323:45:193
25010912418,2phc2sys0-21swapper/323:35:583
25010912418,2phc2sys0-21swapper/323:15:103
25010912418,2phc2sys0-21swapper/322:54:533
25010912418,2phc2sys0-21swapper/322:44:313
25010912418,2phc2sys0-21swapper/321:30:053
25010912418,2phc2sys0-21swapper/321:21:083
25010912418,2phc2sys0-21swapper/319:49:453
25010912417,3phc2sys0-21swapper/300:12:583
25010912417,2phc2sys0-21swapper/322:10:333
32253292230,1sleep00-21swapper/022:02:060
2982283992320,2cyclictest3289288-21systemd-run22:40:031
25010912318,3phc2sys0-21swapper/323:41:583
25010912318,3phc2sys0-21swapper/323:41:573
25010912318,3phc2sys0-21swapper/323:07:563
25010912318,3phc2sys0-21swapper/323:00:573
25010912318,3phc2sys0-21swapper/322:35:463
25010912318,3phc2sys0-21swapper/322:19:383
25010912318,3phc2sys0-21swapper/322:08:483
25010912318,3phc2sys0-21swapper/321:27:323
25010912318,3phc2sys0-21swapper/320:41:593
25010912318,3phc2sys0-21swapper/320:24:473
25010912318,3phc2sys0-21swapper/320:03:033
25010912318,3phc2sys0-21swapper/300:19:013
25010912317,4phc2sys0-21swapper/320:35:263
25010912317,3phc2sys0-21swapper/321:05:123
25010912317,2phc2sys0-21swapper/323:52:583
25010912317,2phc2sys0-21swapper/323:26:323
25010912317,2phc2sys0-21swapper/322:31:013
25010912317,2phc2sys0-21swapper/322:01:593
25010912317,2phc2sys0-21swapper/321:00:203
25010912317,2phc2sys0-21swapper/321:00:193
25010912317,2phc2sys0-21swapper/320:51:383
25010912317,2phc2sys0-21swapper/320:29:563
25010912317,2phc2sys0-21swapper/320:16:183
25010912317,2phc2sys0-21swapper/319:53:033
25010912317,2phc2sys0-21swapper/319:42:013
25010912316,2phc2sys0-21swapper/300:30:173
349155422218,2sleep30-21swapper/300:35:043
347974422218,2sleep30-21swapper/300:25:353
343035622218,2sleep20-21swapper/200:00:182
342085222218,2sleep20-21swapper/223:54:442
332218422218,2sleep20-21swapper/222:57:132
328723922218,2sleep20-21swapper/222:37:332
322816422218,2sleep20-21swapper/222:05:192
322480722218,2sleep20-21swapper/222:01:172
319074022218,2sleep20-21swapper/221:43:052
317463922218,2sleep30-21swapper/321:35:063
314526622218,2sleep20-21swapper/221:15:332
308290922218,2sleep30-21swapper/320:30:213
2982283992218,3cyclictest3465039-21grep00:20:011
2982283992218,2cyclictest2988368-21munin-run19:15:021
297649722218,2sleep30-21swapper/319:05:183
25010912217,3phc2sys0-21swapper/323:10:153
25010912217,3phc2sys0-21swapper/322:57:263
25010912217,3phc2sys0-21swapper/320:56:053
25010912217,3phc2sys0-21swapper/320:10:413
25010912217,3phc2sys0-21swapper/319:57:053
25010912217,3phc2sys0-21swapper/319:32:343
25010912217,3phc2sys0-21swapper/319:20:083
25010912217,3phc2sys0-21swapper/300:09:033
349762622117,2sleep20-21swapper/200:36:082
349049222117,2sleep20-21swapper/200:33:522
347198422117,2sleep20-21swapper/200:22:222
345352122117,2sleep20-21swapper/200:10:522
342975122117,2sleep20-21swapper/223:59:522
341015622117,2sleep20-21swapper/223:46:502
338624222117,2sleep20-21swapper/223:35:132
337472722117,2sleep20-21swapper/223:26:392
335746722117,2sleep20-21swapper/223:17:332
334817522117,2sleep20-21swapper/223:11:432
331364122117,2sleep20-21swapper/222:52:312
329817122117,2sleep20-21swapper/222:45:152
329547422118,2sleep20-21swapper/222:41:172
326870822117,2sleep20-21swapper/222:26:072
320798122117,2sleep20-21swapper/221:52:312
319859822117,2sleep20-21swapper/221:46:392
317336922117,2sleep20-21swapper/221:33:312
315580622117,2sleep20-21swapper/221:23:212
299630622118,2sleep30-21swapper/319:17:163
2982281992118,2cyclictest3130295-21/usr/sbin/munin21:10:010
2982281992118,2cyclictest1726-21systemd-logind21:45:010
2982281992110,7cyclictest3344724-21kthreadcore23:10:230
25010912117,2phc2sys0-21swapper/323:30:573
25010912117,2phc2sys0-21swapper/321:50:233
25010912117,2phc2sys0-21swapper/319:25:173
25010912117,2phc2sys0-21swapper/300:22:203
25010912115,2phc2sys0-21swapper/319:13:473
344512822017,2sleep20-21swapper/200:06:222
338364422017,2sleep20-21swapper/223:31:512
333185122017,2sleep20-21swapper/223:03:412
327779222017,2sleep20-21swapper/222:31:192
326040422017,2sleep20-21swapper/222:22:092
324399822017,2sleep20-21swapper/222:13:472
321791422017,2sleep20-21swapper/221:59:262
312382222017,2sleep20-21swapper/221:00:462
312382222017,2sleep20-21swapper/221:00:452
311782522017,2sleep20-21swapper/220:56:442
311178322017,2sleep20-21swapper/220:51:362
309992222017,2sleep20-21swapper/220:44:272
309375722017,2sleep20-21swapper/220:37:572
308755222017,2sleep20-21swapper/220:31:132
308132222017,2sleep20-21swapper/220:27:192
307518722017,2sleep20-21swapper/220:20:392
306913122017,2sleep20-21swapper/220:16:132
305767322017,2sleep20-21swapper/220:10:092
305711522017,2sleep20-21swapper/220:06:552
305126422017,2sleep20-21swapper/220:04:322
303346022017,2sleep20-21swapper/219:50:052
302681222017,2sleep20-21swapper/219:41:072
301479022017,2sleep20-21swapper/219:32:462
300289522017,2sleep20-21swapper/219:25:112
299635022017,2sleep20-21swapper/219:17:462
298792622017,2sleep20-21swapper/219:10:582
298228399207,7cyclictest3253868-21/usr/sbin/munin22:20:261
2982283992018,1cyclictest0-21swapper/119:20:011
2982283992017,2cyclictest3051361-21systemd-run20:05:011
2982283992017,2cyclictest2982275-21cyclictest22:50:021
2982283992016,3cyclictest3408727-21phc2sys23:45:241
2982281992018,1cyclictest3009046-21grep19:30:000
2982281992015,4cyclictest3002581-21idleruntime-cro19:25:000
2982281992014,5cyclictest0-21swapper/021:55:010
2982281992013,6cyclictest3165571-21latency_hist21:30:020
25010912017,2phc2sys0-21swapper/323:55:353
25010912017,2phc2sys0-21swapper/322:26:223
25010912017,2phc2sys0-21swapper/320:46:213
25010912017,1phc2sys0-21swapper/320:05:303
2982287991916,1cyclictest0-21swapper/200:19:592
2982283991916,2cyclictest3368226-21latency_hist23:25:011
2982283991916,2cyclictest3009061-21latency_hist19:30:011
2982283991916,2cyclictest1731-21in:imuxsock23:45:011
2982283991916,2cyclictest1731-21in:imuxsock23:45:001
2982283991915,2cyclictest178850irq/121-eno122:00:231
298228199198,7cyclictest3352312-21kthreadcore23:15:240
2982281991917,1cyclictest3464800-21cron00:20:000
2982281991916,2cyclictest1726-21systemd-logind22:30:030
2982281991916,2cyclictest1726-21systemd-logind21:50:020
2982287991815,1cyclictest0-21swapper/221:40:002
2982287991815,1cyclictest0-21swapper/221:25:242
2982283991815,2cyclictest3500171-21systemd-run00:40:011
2982283991815,2cyclictest3421068-21systemd-run23:55:011
2982283991815,2cyclictest3183199-21latency_hist21:40:011
2982283991814,3cyclictest3070163-21cstates20:20:171
298228199188,5cyclictest0-21swapper/000:15:000
298228199187,6cyclictest0-21swapper/021:35:230
298228199184,6cyclictest2015-21snmpd20:38:420
298228199183,3cyclictest3069613-21kworker/u16:0+nfsiod23:00:340
298228199182,9cyclictest3051380-21kworker/0:1+rcu_gp22:00:020
2982281991815,2cyclictest0-21swapper/022:10:020
2982281991811,2cyclictest178850irq/121-eno123:05:140
924598170,2rtkit-daemon0-21swapper/121:57:371
2982287991714,1cyclictest0-21swapper/223:20:152
2982287991714,1cyclictest0-21swapper/221:10:012
2982287991714,1cyclictest0-21swapper/219:37:322
298228399174,11cyclictest1695-21dbus-daemon23:30:021
2982283991715,1cyclictest1700-21gmain19:25:011
2982283991714,2cyclictest3385896-21apt-key23:35:011
2982283991714,2cyclictest3201332-21aten2.4-expect21:50:141
2982283991714,2cyclictest3197475-21mailstats21:45:261
2982283991714,2cyclictest3130623-21latency_hist21:10:011
2982283991714,2cyclictest0-21swapper/123:10:141
2982283991713,3cyclictest3192201-21sh21:45:011
2982283991713,3cyclictest3096301-21kthreadcore20:40:231
2982283991713,2cyclictest0-21swapper/120:30:001
2982283991712,3cyclictest3479055-21grep00:25:271
2982283991711,4cyclictest3431304-21if_err_enp1s0.800:00:231
2982283991711,4cyclictest3069613-21kworker/u16:0+nfsiod23:00:011
298228199179,2cyclictest0-21swapper/023:55:200
298228199178,5cyclictest0-21swapper/022:24:470
298228199177,4cyclictest0-21swapper/023:35:130
2982281991714,2cyclictest3433242-21kthreadcore00:00:260
2982281991714,2cyclictest3038492-21mailstats19:50:280
2982281991714,2cyclictest1731-21in:imuxsock20:55:030
2982281991714,2cyclictest1707-21polkitd22:40:010
2982281991713,3cyclictest2985297-21kthreadcore19:10:220
2982281991711,2cyclictest178850irq/121-eno122:45:200
298228199170,6cyclictest3052298-21cut20:05:210
298228199170,2cyclictest3075852-21/usr/sbin/munin20:25:250
25010911711,2phc2sys0-21swapper/323:20:503
924598160,2rtkit-daemon0-21swapper/123:35:301
924598160,2rtkit-daemon0-21swapper/119:49:211
2982287991613,1cyclictest0-21swapper/200:30:002
298228399168,1cyclictest601rcuop/322:05:551
298228399165,3cyclictest501rcuop/219:55:331
2982283991614,1cyclictest3447441-21latency_hist00:10:011
2982283991613,2cyclictest3367820-21kworker/u16:2-events_power_efficient00:25:011
2982283991613,2cyclictest3111113-21phc2sys20:50:271
2982283991613,2cyclictest3094027-21latency_hist20:40:001
2982283991613,2cyclictest3057459-21cut20:10:001
2982283991613,2cyclictest2982275-21cyclictest20:30:201
2982283991612,3cyclictest3455617-21runrttasks00:14:191
2982283991612,3cyclictest2240602-1atopacctd22:25:201
2982283991612,3cyclictest1695-21dbus-daemon23:18:441
2982283991611,3cyclictest3293459-21kthreadcore22:40:211
2982283991610,3cyclictest0-21swapper/123:10:011
298228399160,3cyclictest3130215-21diskmemload21:12:081
298228199168,4cyclictest0-21swapper/000:05:230
298228199168,3cyclictest3493064-21kthreadcore00:35:240
298228199168,2cyclictest0-21swapper/023:50:190
298228199162,9cyclictest171ktimers/023:26:260
298228199162,9cyclictest171ktimers/022:53:290
2982281991613,2cyclictest3491359-21latency_hist00:35:010
2982281991613,2cyclictest3166384-21cstates21:30:150
2982281991613,2cyclictest3148233-21systemd-run21:20:020
2982281991613,2cyclictest3106049-21perf20:50:000
2982281991613,2cyclictest3064517-21idleruntime20:15:200
2982281991613,2cyclictest2240602-1atopacctd21:02:240
2982281991613,2cyclictest2240602-1atopacctd21:02:230
2982281991613,2cyclictest1-21systemd22:40:140
2982281991613,2cyclictest0-21swapper/019:50:000
2982281991612,3cyclictest3466690-21kthreadcore00:20:250
2982281991612,3cyclictest3085438-21kthreadcore20:30:240
298228199161,10cyclictest3398055-21kthreadcore23:40:220
298228199161,10cyclictest3398055-21kthreadcore23:40:210
298228199160,7cyclictest3148710-21telnet21:20:180
2982287991512,1cyclictest0-21swapper/222:15:182
2982287991512,1cyclictest0-21swapper/221:10:352
2982287991512,1cyclictest0-21swapper/219:20:462
2982283991512,2cyclictest3236154-21kworker/u16:1+events_freezable_pwr_efficient23:55:201
2982283991512,2cyclictest3118263-21/usr/sbin/munin21:00:001
2982283991512,2cyclictest3059059-21kthreadcore20:10:211
2982283991512,2cyclictest3021340-21systemd-run19:40:011
2982283991512,2cyclictest1707-21polkitd20:45:261
2982283991511,3cyclictest3367820-21kworker/u16:2+nfsiod00:30:311
2982283991511,3cyclictest3036897-21kthreadcore19:50:241
298228399150,3cyclictest3315147-21latency_hist22:55:001
298228199154,6cyclictest3318228-21cut22:55:220
298228199153,5cyclictest3045921-21cpuspeed_turbos20:00:190
298228199151,4cyclictest3363819-21tr23:20:230
2982281991512,2cyclictest3238924-21kthreadcore22:10:210
2982281991512,2cyclictest3136040-21processes21:10:280
2982281991512,2cyclictest3113176-21idleruntime20:55:190
2982281991512,2cyclictest3095592-21kthreadcore20:40:230
2982281991512,2cyclictest3043269-21kthreadcore19:55:220
2982281991512,2cyclictest3017491-21kthreadcore19:35:210
2982281991512,2cyclictest1-21systemd19:45:020
298228199150,1cyclictest178850irq/121-eno122:15:030
298228399146,1cyclictest3064171-21expr20:15:181
2982283991411,2cyclictest3324325-21/usr/sbin/munin23:00:261
2982283991411,2cyclictest3272390-21cut22:30:191
2982283991411,2cyclictest3237552-21irqcore22:10:201
2982283991411,2cyclictest3141075-21kthreadcore21:15:201
2982283991411,2cyclictest3121787-21kthreadcore21:00:241
2982283991411,2cyclictest3121787-21kthreadcore21:00:231
2982283991411,2cyclictest2982275-21cyclictest19:45:011
2982283991410,3cyclictest3160838-21kthreadcore21:25:271
2982283991410,2cyclictest178850irq/121-eno122:15:191
2982281991411,2cyclictest3378600-21irqrtprio23:30:190
2982281991411,2cyclictest3070516-21gltestperf20:20:190
2982281991411,2cyclictest3061996-21kthreadcore20:10:230
2982281991411,2cyclictest3012055-21kthreadcore19:30:220
2982281991410,3cyclictest2994541-21kthreadcore19:15:230
2501091149,1phc2sys0-21swapper/322:46:213
298228799138,3cyclictest3045365-21chrt20:00:012
2982287991311,1cyclictest0-21swapper/220:45:212
2982287991310,1cyclictest0-21swapper/223:05:152
298228399137,3cyclictest3166080-21tail21:30:141
298228399137,1cyclictest36-21ksoftirqd/119:30:221
924598120,3rtkit-daemon2015-21snmpd19:09:561
29764612120,7sleep20-21swapper/219:05:162
298228799110,6cyclictest0-21swapper/219:45:172
298228199101,2cyclictest2982284-21munin-run19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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