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2026-05-15 - 03:48
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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 Fri May 15, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251648121940,2sleep30-21swapper/300:25:163
20621252990,1sleep10-21swapper/119:10:031
21165092970,1sleep10-21swapper/119:50:141
22707462860,2sleep20-21swapper/221:45:142
23166762250,2sleep30-21swapper/322:15:133
2061850992513,8cyclictest2491495-21cstates00:10:100
2061850992513,8cyclictest0-21swapper/000:00:010
2061851992421,2cyclictest3824500-21cron23:10:001
2061850992418,5cyclictest2269536-21systemd-run21:45:010
2061850992415,8cyclictest2373946-21/usr/sbin/munin22:50:170
2061850992411,8cyclictest0-21swapper/022:15:140
2061850992410,9cyclictest0-21swapper/022:00:070
2061850992410,13cyclictest2410580-21kthreadcore23:15:150
2061850992314,8cyclictest2248707-21kthreadcore21:30:150
206185099231,16cyclictest0-21swapper/000:30:070
2061850992310,8cyclictest0-21swapper/022:25:010
2061850992310,8cyclictest0-21swapper/021:25:150
206185099230,3cyclictest2237962-21ssh21:23:340
206185099230,17cyclictest2215198-21diskmemload22:25:050
206185199220,21cyclictest2299936-21ssh22:05:001
206185099229,5cyclictest0-21swapper/000:05:230
206185099228,9cyclictest0-21swapper/000:25:150
2061850992217,4cyclictest2223170-21cron21:15:010
2061850992213,8cyclictest2389322-21grep23:00:210
206185099220,2cyclictest2427568-21cat23:25:180
2061851992117,2cyclictest0-21swapper/123:05:011
206185099219,8cyclictest0-21swapper/022:30:170
206185099218,8cyclictest0-21swapper/023:31:490
206185099217,9cyclictest0-21swapper/021:50:090
206185099217,8cyclictest0-21swapper/022:45:080
2061850992116,4cyclictest2070114-21kthreadcore19:15:030
2061850992116,4cyclictest2070114-21kthreadcore19:15:030
2061850992115,5cyclictest2068185-21systemd19:15:010
2061850992115,5cyclictest1-21systemd00:25:000
2061853992015,2cyclictest0-21swapper/222:45:092
2061853992015,2cyclictest0-21swapper/221:23:342
2061851992017,2cyclictest2498564-21/usr/sbin/munin00:15:011
2061851992011,4cyclictest0-21swapper/100:00:151
206185099209,7cyclictest2399814-21head23:10:110
206185099209,5cyclictest2478779-21kthreadcore00:00:140
2061850992017,2cyclictest2452785-21systemd-run23:45:010
2061850992015,4cyclictest0-21swapper/020:25:020
2061850992014,5cyclictest3827634-1atopacctd22:10:590
2061850992014,5cyclictest2061960-21latency_hist19:10:010
2061850992014,5cyclictest2061847-21cyclictest23:45:080
2061850992014,5cyclictest1326-21systemd-logind20:30:010
2061850992010,5cyclictest2190345-21munin-run20:50:020
206185399194,12cyclictest0-21swapper/223:10:022
2061853991913,4cyclictest0-21swapper/222:40:082
2061853991911,2cyclictest0-21swapper/223:35:182
2061851991917,1cyclictest2208951-21latency_hist21:05:001
2061851991916,2cyclictest3824565-21in:imuxsock00:00:011
2061851991916,2cyclictest1290-21dbus-daemon23:20:001
2061851991916,2cyclictest0-21swapper/120:15:011
2061851991916,2cyclictest0-21swapper/100:40:011
2061851991916,2cyclictest0-21swapper/100:40:011
2061851991915,2cyclictest2139811-21sh20:10:011
2061851991912,2cyclictest383433398rtkit-daemon00:18:281
206185099199,7cyclictest2209389-21tail21:05:080
206185099197,7cyclictest0-21swapper/022:06:490
206185099195,9cyclictest2535504-21seq00:36:310
206185099195,9cyclictest2535504-21seq00:36:310
206185099195,9cyclictest0-21swapper/023:50:490
206185099194,10cyclictest2291382-21diskmemload21:57:170
206185099193,11cyclictest2352309-21diskmemload22:36:380
206185099192,3cyclictest3834332-21rtkit-daemon20:32:370
206185099191,4cyclictest491rcuog/223:35:180
2061850991914,4cyclictest2127101-21systemd-run20:00:000
206185099191,3cyclictest0-21swapper/021:15:330
2061850991913,5cyclictest3827634-1atopacctd19:35:010
2061850991913,5cyclictest3827634-1atopacctd19:35:010
2061850991913,5cyclictest2202643-21latency_hist21:00:010
2061850991913,5cyclictest2183909-21systemd20:45:010
2061850991910,4cyclictest383433398rtkit-daemon20:39:120
206185099190,4cyclictest2358921-21phc2sys22:40:180
206185099190,4cyclictest0-21swapper/021:38:250
2649091180,2phc2sys0-21swapper/322:20:283
2061853991814,2cyclictest0-21swapper/220:55:082
206185399181,13cyclictest0-21swapper/222:40:012
2061851991815,2cyclictest2529151-21systemd-run00:35:001
2061851991815,2cyclictest2374632-21grep22:50:221
2061851991815,2cyclictest2305597-21mailstats22:05:191
2061851991815,2cyclictest0-21swapper/122:30:001
206185099186,8cyclictest0-21swapper/020:03:240
206185099184,9cyclictest2150801-21tr20:15:160
206185099184,5cyclictest2095991-21/usr/sbin/munin19:35:200
2061850991813,4cyclictest3840937-21lldpd20:50:070
2061850991812,5cyclictest3851702-21mta-sts-daemon21:45:110
2061850991812,5cyclictest2381074-21kthreadcore22:55:160
206185099181,14cyclictest2089662-21munin-run19:30:010
2649091170,3phc2sys0-21swapper/319:10:103
2649091170,2phc2sys0-21swapper/300:04:563
206185399176,5cyclictest0-21swapper/222:10:012
206185399175,7cyclictest0-21swapper/223:00:012
206185399172,7cyclictest0-21swapper/222:20:062
206185399171,9cyclictest0-21swapper/219:50:012
2061853991714,1cyclictest0-21swapper/223:41:252
2061853991714,1cyclictest0-21swapper/222:30:142
2061853991714,1cyclictest0-21swapper/222:15:142
2061853991714,1cyclictest0-21swapper/200:00:522
2061853991713,2cyclictest0-21swapper/219:10:012
206185199179,3cyclictest0-21swapper/123:25:091
2061851991714,2cyclictest2361706-21cpuspeed22:45:101
2061851991714,2cyclictest2177535-21sendmail20:40:001
2061851991714,2cyclictest2152287-21systemd-run20:20:011
2061851991714,2cyclictest2068248-21munin-node23:13:131
2061851991714,2cyclictest1996-21runrttasks00:21:271
2061851991714,2cyclictest0-21swapper/121:55:001
206185099173,9cyclictest2108749-21aten2.4-expect19:45:100
2061850991712,4cyclictest2417915-21kthreadcore23:20:150
2061850991711,5cyclictest2204114-21irqrtprio21:00:140
2061850991711,5cyclictest2145278-21timerandwakeup20:10:190
2061850991711,5cyclictest2136132-21kthreadcore20:05:170
2061850991711,5cyclictest0-21swapper/019:55:010
206185099171,11cyclictest2498783-21apt-get00:15:080
206185099171,10cyclictest2392817-21perl23:05:120
206185099170,12cyclictest2102288-21/usr/sbin/munin19:40:130
206185099170,12cyclictest2078395-21cut19:20:130
2649091167,2phc2sys0-21swapper/319:05:143
2649091161,2phc2sys0-21swapper/322:26:293
2649091160,2phc2sys0-21swapper/323:42:593
206185399162,8cyclictest0-21swapper/219:20:012
206185399162,8cyclictest0-21swapper/219:20:012
206185399161,7cyclictest0-21swapper/200:10:002
2061853991614,1cyclictest0-21swapper/221:43:002
2061853991614,1cyclictest0-21swapper/200:14:242
2061853991613,1cyclictest0-21swapper/223:59:062
2061853991613,1cyclictest0-21swapper/223:00:172
2061853991613,1cyclictest0-21swapper/221:56:492
2061853991613,1cyclictest0-21swapper/221:05:362
2061853991613,1cyclictest0-21swapper/220:00:172
2061853991613,1cyclictest0-21swapper/219:40:112
2061853991613,1cyclictest0-21swapper/200:35:112
2061853991613,1cyclictest0-21swapper/200:35:112
2061853991611,2cyclictest0-21swapper/223:25:192
2061851991613,2cyclictest3851875-21systemd-journal19:20:001
2061851991613,2cyclictest3851875-21systemd-journal19:20:001
2061851991613,2cyclictest3824565-21in:imuxsock19:40:011
2061851991613,2cyclictest2454779-21kthreadcore23:45:141
2061851991613,2cyclictest2354406-21df22:40:101
2061851991613,2cyclictest2349404-21kthreadcore22:35:171
2061851991613,2cyclictest2341551-21kthreadcore22:30:161
2061851991613,2cyclictest2255462-21tr21:35:151
2061851991613,2cyclictest2202799-21systemd-run21:00:001
2061851991613,2cyclictest2183946-21latency_hist20:45:011
2061851991613,2cyclictest2127269-21latency_hist20:00:021
2061851991613,2cyclictest2095503-21sshd19:32:501
2061851991613,2cyclictest2095503-21sshd19:32:501
2061851991613,2cyclictest2077806-21fschecks_time19:20:101
2061851991613,2cyclictest0-21swapper/121:10:011
2061851991612,3cyclictest2156048-21kthreadcore20:20:141
2061851991611,1cyclictest383433398rtkit-daemon20:03:061
2061851991610,5cyclictest3851705-21mta-sts-daemon21:55:251
2061851991610,5cyclictest2435445-21sh23:30:211
2061851991610,2cyclictest134050irq/121-eno120:30:081
383433398150,7rtkit-daemon3851705-21mta-sts-daemon22:16:341
2649091150,4phc2sys0-21swapper/319:55:113
2649091150,2phc2sys0-21swapper/322:50:253
2649091150,2phc2sys0-21swapper/322:35:303
2649091150,2phc2sys0-21swapper/300:20:553
2061853991513,1cyclictest0-21swapper/223:10:112
2061853991512,2cyclictest0-21swapper/223:20:092
2061853991512,2cyclictest0-21swapper/220:40:082
2061853991512,1cyclictest0-21swapper/223:16:202
2061853991512,1cyclictest0-21swapper/222:01:282
2061853991512,1cyclictest0-21swapper/221:50:492
2061853991512,1cyclictest0-21swapper/220:35:102
2061853991512,1cyclictest0-21swapper/220:27:442
2061853991512,1cyclictest0-21swapper/219:52:032
2061853991512,1cyclictest0-21swapper/200:30:002
2061853991512,1cyclictest0-21swapper/200:15:162
2061853991511,2cyclictest0-21swapper/222:51:272
2061853991511,2cyclictest0-21swapper/221:38:252
2061853991511,2cyclictest0-21swapper/220:20:162
2061853991510,2cyclictest0-21swapper/221:15:102
206185199159,5cyclictest3851703-21mta-sts-daemon23:42:531
206185199159,5cyclictest2438365-21sort23:35:121
206185199155,3cyclictest2376858-21aten2.4-expect22:55:101
2061851991512,2cyclictest3851702-21mta-sts-daemon22:10:141
2061851991512,2cyclictest2515704-21kthreadcore00:25:151
2061851991512,2cyclictest2420437-21grep23:20:211
2061851991512,2cyclictest2246383-21latency_hist21:30:001
2061851991512,2cyclictest2215198-21diskmemload21:45:171
2061851991512,2cyclictest2110946-21kthreadcore19:45:141
2061851991512,2cyclictest2106707-21kthreadcore19:40:161
2061851991512,2cyclictest2086734-21kthreadcore19:25:141
2061851991510,4cyclictest0-21swapper/123:50:101
2649091140,2phc2sys0-21swapper/321:40:073
2649091140,2phc2sys0-21swapper/321:17:543
2649091140,2phc2sys0-21swapper/320:02:533
2649091140,2phc2sys0-21swapper/319:15:043
2649091140,2phc2sys0-21swapper/319:15:043
2649091140,2phc2sys0-21swapper/300:09:343
206185399144,5cyclictest0-21swapper/219:10:092
2061853991412,1cyclictest0-21swapper/220:05:142
2061853991411,1cyclictest0-21swapper/223:55:002
2061853991411,1cyclictest0-21swapper/223:45:072
2061853991411,1cyclictest0-21swapper/222:25:082
2061853991411,1cyclictest0-21swapper/221:30:162
2061853991411,1cyclictest0-21swapper/221:25:112
2061853991411,1cyclictest0-21swapper/221:05:012
2061853991411,1cyclictest0-21swapper/220:32:372
2061853991411,1cyclictest0-21swapper/220:15:022
2061853991411,1cyclictest0-21swapper/219:55:132
2061853991411,1cyclictest0-21swapper/219:35:082
2061853991411,1cyclictest0-21swapper/219:28:012
2061853991411,1cyclictest0-21swapper/200:20:502
2061851991411,2cyclictest3851704-21mta-sts-daemon20:25:191
2061851991411,2cyclictest2323799-21fschecks_count22:20:091
2061851991411,2cyclictest2262250-21cpuspeed_turbos21:40:081
2061851991411,2cyclictest2228990-21threads21:15:241
2061851991411,2cyclictest2215914-21tail21:10:101
2061851991411,2cyclictest2193302-21kthreadcore20:50:151
2061851991411,2cyclictest0-21swapper/121:20:201
2061851991410,3cyclictest2067649-21unixbench-2d19:10:211
2649091139,1phc2sys0-21swapper/321:22:523
2649091135,3phc2sys0-21swapper/322:15:023
2649091133,2phc2sys0-21swapper/321:10:173
2649091130,4phc2sys0-21swapper/323:04:183
2649091130,4phc2sys0-21swapper/321:28:293
2649091130,3phc2sys0-21swapper/319:40:083
2649091130,2phc2sys0-21swapper/323:45:333
2649091130,2phc2sys0-21swapper/322:08:333
21583882130,2sleep30-21swapper/320:24:563
206185399139,2cyclictest0-21swapper/219:30:092
206185399139,2cyclictest0-21swapper/219:30:092
206185399132,7cyclictest0-21swapper/220:50:072
206185399132,5cyclictest0-21swapper/223:30:092
2061853991311,1cyclictest0-21swapper/222:10:082
2061853991311,1cyclictest0-21swapper/220:50:022
2061853991311,1cyclictest0-21swapper/220:19:032
2061853991311,1cyclictest0-21swapper/219:25:002
2061853991311,1cyclictest0-21swapper/200:31:212
2061853991310,1cyclictest0-21swapper/221:10:172
206185199138,4cyclictest3851704-21mta-sts-daemon20:45:051
2061851991310,2cyclictest3851703-21mta-sts-daemon00:05:121
2061851991310,2cyclictest2248069-21kthreadcore21:30:161
2649091120,3phc2sys0-21swapper/323:10:103
2649091120,3phc2sys0-21swapper/322:40:083
2649091120,2phc2sys0-21swapper/323:38:163
2649091120,2phc2sys0-21swapper/321:48:523
2649091120,2phc2sys0-21swapper/321:39:093
2649091120,2phc2sys0-21swapper/321:32:013
2649091120,2phc2sys0-21swapper/320:40:073
2649091120,2phc2sys0-21swapper/320:30:013
2649091120,1phc2sys0-21swapper/323:30:183
21841122121,6sleep30-21swapper/320:45:093
2649091112,2phc2sys0-21swapper/300:12:183
2649091111,2phc2sys0-21swapper/323:25:013
2649091111,2phc2sys0-21swapper/321:50:133
2649091111,2phc2sys0-21swapper/321:00:153
2649091110,2phc2sys0-21swapper/322:45:093
2649091110,2phc2sys0-21swapper/322:30:223
2649091110,2phc2sys0-21swapper/320:12:333
2649091110,2phc2sys0-21swapper/300:15:073
2649091110,1phc2sys0-21swapper/323:57:273
2649091110,1phc2sys0-21swapper/323:25:343
2649091110,1phc2sys0-21swapper/323:17:343
2649091110,1phc2sys0-21swapper/320:57:063
2649091110,1phc2sys0-21swapper/320:32:423
22984192112,3sleep30-21swapper/322:00:313
2649091102,3phc2sys0-21swapper/319:50:083
2649091101,4phc2sys0-21swapper/319:20:073
2649091101,2phc2sys0-21swapper/322:58:113
2649091101,2phc2sys0-21swapper/320:50:093
2649091101,2phc2sys0-21swapper/300:31:193
2649091100,2phc2sys0-21swapper/323:53:313
2649091100,2phc2sys0-21swapper/323:06:053
2649091100,2phc2sys0-21swapper/321:58:103
2649091100,2phc2sys0-21swapper/320:15:073
2649091100,2phc2sys0-21swapper/319:35:073
2649091100,2phc2sys0-21swapper/300:38:173
2649091100,2phc2sys0-21swapper/300:38:163
2649091100,1phc2sys0-21swapper/321:05:523
2649091100,1phc2sys0-21swapper/319:26:543
264909190,2phc2sys0-21swapper/320:35:143
264909190,2phc2sys0-21swapper/320:05:093
264909190,2phc2sys0-21swapper/319:45:133
264909190,2phc2sys0-21swapper/319:30:103
264909190,2phc2sys0-21swapper/319:30:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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