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2025-12-30 - 18:07
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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 rackcslot4.osadl.org (updated Tue Dec 30, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23965532271212,45sleep10-21swapper/107:07:531
23966372264190,28sleep00-21swapper/007:08:460
25102882570,5chrt0-21swapper/010:32:550
239688799562,6cyclictest2500194-21apt-get10:20:140
239688799562,6cyclictest2500194-21apt-get10:20:130
239688799561,7cyclictest2445722-21diskmemload09:15:230
25726772550,5sleep00-21swapper/011:51:300
239688799542,6cyclictest2516445-21apt-get10:40:150
179699530,4rtkit-daemon1795-21rtkit-daemon10:06:130
179699530,4rtkit-daemon1795-21rtkit-daemon09:46:420
179699530,4rtkit-daemon1795-21rtkit-daemon07:34:160
239688799523,8cyclictest2597915-21apt-get12:25:140
239688799522,7cyclictest2535848-21apt-get11:05:140
179699520,4rtkit-daemon1795-21rtkit-daemon10:46:170
239688799502,6cyclictest2605534-21apt-get12:35:140
239688799502,5cyclictest2543664-21apt-get11:15:150
179699500,3rtkit-daemon1795-21rtkit-daemon11:49:251
239688799492,8cyclictest2477234-21apt-get09:50:160
179699490,4rtkit-daemon1795-21rtkit-daemon08:00:410
239688799482,5cyclictest2523989-21apt-get10:50:150
239688799482,4cyclictest2511851-21appstreamcli10:35:040
239688799472,5cyclictest2484800-21apt-get10:00:140
239688799462,5cyclictest2601616-21apt-get12:30:130
239688799462,5cyclictest2594054-21apt-get12:20:140
239688799461,6cyclictest2566532-21apt-get11:45:130
239688799460,9cyclictest2456870-21ssh09:23:390
239688799460,16cyclictest2408129-21ntp_states07:35:230
239688799460,10cyclictest2438104-21apt-get08:50:140
239688799452,4cyclictest2446005-21apt-get09:10:120
239688799452,4cyclictest2446005-21apt-get09:10:120
239688799452,4cyclictest2436153-21apt-get08:45:150
239688799451,7cyclictest2562596-21apt-get11:40:130
239688799451,7cyclictest2445722-21diskmemload11:34:510
239688799451,6cyclictest2445722-21diskmemload10:27:010
239688799451,6cyclictest2445722-21diskmemload09:30:170
179699450,3rtkit-daemon0-21swapper/111:51:201
239688799441,5cyclictest2582221-21apt-get12:05:150
239688799440,10cyclictest2401846-21perl07:20:150
239688799432,9cyclictest2434410-21df_inode08:40:160
239688799431,9cyclictest2466300-21memory09:35:190
239688799431,4cyclictest2493453-21ntp_states10:10:230
179699430,3rtkit-daemon0-21swapper/007:49:521
239688799421,7cyclictest2445722-21diskmemload11:10:470
24560912410,2sleep12456099-21sh09:21:471
239688799411,9cyclictest2457996-21diskstats09:25:160
239688799411,6cyclictest2445722-21diskmemload12:15:590
239688799411,6cyclictest2445722-21diskmemload11:24:380
239688799401,8cyclictest2445722-21diskmemload11:28:320
179699400,4rtkit-daemon2586620-21df_inode12:10:170
239688799391,5cyclictest2445722-21diskmemload12:03:500
179699390,5rtkit-daemon2577175-21ssh11:58:080
179699380,3rtkit-daemon0-21swapper/109:36:261
179699380,3rtkit-daemon0-21swapper/011:25:241
179699380,3rtkit-daemon0-21swapper/010:15:590
179699380,33rtkit-daemon0-21swapper/112:22:291
239688799363,7cyclictest2429995-21appstreamcli08:30:030
239688799361,6cyclictest2445722-21diskmemload11:00:530
179699360,3rtkit-daemon0-21swapper/009:56:000
179699360,3rtkit-daemon0-21swapper/008:05:250
179699360,3rtkit-daemon0-21swapper/007:10:310
179699350,4rtkit-daemon1795-21rtkit-daemon11:22:291
179699350,4rtkit-daemon1795-21rtkit-daemon09:26:151
179699350,3rtkit-daemon0-21swapper/008:13:440
239689299349,2cyclictest25807342ssh12:02:311
2396892993411,5cyclictest26-21ksoftirqd/110:34:551
239688799342,10cyclictest2414107-21apt-get07:50:120
179699340,3rtkit-daemon0-21swapper/111:38:440
179699340,3rtkit-daemon0-21swapper/108:57:461
179699340,3rtkit-daemon0-21swapper/010:59:170
24640982330,1sleep10-21swapper/109:32:311
239689299333,8cyclictest2416053-21apt-get07:55:141
239688799332,6cyclictest2469450-21apt-get09:40:130
179699330,4rtkit-daemon1795-21rtkit-daemon11:17:141
179699330,4rtkit-daemon1795-21rtkit-daemon07:59:270
179699330,3rtkit-daemon1795-21rtkit-daemon11:44:181
179699330,3rtkit-daemon0-21swapper/011:03:531
179699330,3rtkit-daemon0-21swapper/007:42:221
2396892993211,6cyclictest26-21ksoftirqd/110:11:361
239688799329,3cyclictest0-21swapper/008:56:210
239688799328,3cyclictest0-21swapper/008:23:070
179699320,4rtkit-daemon1795-21rtkit-daemon09:13:261
179699320,4rtkit-daemon1795-21rtkit-daemon09:13:251
179699320,3rtkit-daemon1795-21rtkit-daemon07:17:210
179699320,3rtkit-daemon0-21swapper/008:32:391
2396892993110,5cyclictest26-21ksoftirqd/110:03:211
2396887993111,6cyclictest763-21dbus-daemon08:20:010
179699310,3rtkit-daemon1795-21rtkit-daemon09:08:401
179699310,3rtkit-daemon0-21swapper/108:36:240
179699310,3rtkit-daemon0-21swapper/010:06:401
179699310,3rtkit-daemon0-21swapper/009:47:461
179699310,3rtkit-daemon0-21swapper/008:02:021
179699310,1rtkit-daemon1795-21rtkit-daemon08:17:041
2396892993024,4cyclictest2445722-21diskmemload09:56:161
239688799308,4cyclictest2404043-21cat07:25:200
179699300,3rtkit-daemon1795-21rtkit-daemon07:48:370
179699300,3rtkit-daemon1795-21rtkit-daemon07:42:430
179699300,3rtkit-daemon0-21swapper/008:07:021
2396892992910,5cyclictest26-21ksoftirqd/110:20:001
2396892992910,5cyclictest26-21ksoftirqd/110:20:001
239688799291,9cyclictest2442786-21ntp_states09:00:210
179699290,3rtkit-daemon0-21swapper/012:30:461
179699290,3rtkit-daemon0-21swapper/010:26:541
179699290,3rtkit-daemon0-21swapper/008:42:591
179699290,3rtkit-daemon0-21swapper/008:35:551
179699280,3rtkit-daemon0-21swapper/007:19:201
26006492270,24sleep12600657-21ssh12:28:301
2396892992717,6cyclictest2512006-40apt-check10:35:231
239689299270,7cyclictest0-21swapper/107:20:111
239688799271,10cyclictest2428000-21df_inode08:25:150
179699270,3rtkit-daemon0-21swapper/007:27:371
239689299264,10cyclictest2490317-1kworker/u9:210:19:241
2396892992619,5cyclictest26-21ksoftirqd/107:54:591
2396892992612,2cyclictest141rcu_preempt10:52:281
239689299260,7cyclictest0-21swapper/108:45:141
239689299260,7cyclictest0-21swapper/108:14:401
239689299260,6cyclictest0-21swapper/110:43:491
239689299260,6cyclictest0-21swapper/109:40:141
239689299260,6cyclictest0-21swapper/108:51:491
239689299257,4cyclictest26-21ksoftirqd/111:59:451
239689299252,16cyclictest2528306-21apt-get10:55:151
2396892992518,5cyclictest26-21ksoftirqd/112:10:011
2396892992511,2cyclictest141rcu_preempt12:16:241
2396892992510,10cyclictest2555110-21apt-get11:30:121
239688799259,2cyclictest2445734-21awk09:10:000
239689299249,2cyclictest141rcu_preempt11:08:061
2396892992418,5cyclictest26-21ksoftirqd/112:15:011
2396892992417,5cyclictest26-21ksoftirqd/109:20:001
2396892992416,6cyclictest26-21ksoftirqd/107:35:001
179699240,1rtkit-daemon1795-21rtkit-daemon08:21:241
239689299238,3cyclictest26-21ksoftirqd/109:51:281
239689299232,4cyclictest26-21ksoftirqd/111:10:111
2396892992316,5cyclictest26-21ksoftirqd/109:05:011
2396892992316,5cyclictest26-21ksoftirqd/107:14:591
179699230,1rtkit-daemon1795-21rtkit-daemon11:35:171
179699230,1rtkit-daemon1795-21rtkit-daemon08:26:491
239689299228,9cyclictest2407359-21apt-get07:35:141
239689299221,6cyclictest0-21swapper/112:38:581
239689299203,10cyclictest2520303-21apt-get10:45:141
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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