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2026-08-15 - 19:37
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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 Sat Aug 15, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206839721080,1sleep016-21ksoftirqd/007:30:240
22939562420,1sleep10-21swapper/110:20:251
2041417992616,5cyclictest838-21gmain10:35:050
22501602250,3sleep12250165-21sed09:50:271
2041421992514,4cyclictest0-21swapper/210:40:012
204141799258,8cyclictest0-21swapper/010:14:580
2041421992421,1cyclictest0-21swapper/212:25:012
2041420992420,2cyclictest0-21swapper/112:35:031
2041420992420,2cyclictest0-21swapper/112:35:031
2041420992320,2cyclictest2392376-21grep11:30:011
2041420992320,2cyclictest2384992-21/usr/sbin/munin11:25:011
2041417992314,8cyclictest0-21swapper/011:24:570
2041417992219,2cyclictest1-21systemd09:15:010
2041421992119,1cyclictest0-21swapper/211:55:022
2041421992118,1cyclictest0-21swapper/210:35:012
2041420992118,2cyclictest2473809-21/usr/sbin/munin12:25:011
2041417992118,2cyclictest2392494-21systemd-run11:30:020
2041417992118,2cyclictest2260604-21grep10:00:210
2041417992118,2cyclictest2075551-21sh07:40:010
2041417992115,1cyclictest2408114-21expr11:40:170
2041417992114,6cyclictest1309-21mta-sts-daemon11:35:220
204141799211,15cyclictest0-21swapper/012:35:050
3240591200,8phc2sys0-21swapper/311:20:013
2041421992017,1cyclictest0-21swapper/209:05:012
2041420992017,2cyclictest2459219-21latency_hist12:15:031
2041420992017,2cyclictest2397784-21switchtime11:30:261
2041420992014,2cyclictest69250irq/121-eno108:25:231
2041417992018,1cyclictest2355105-21idleruntime-cro11:05:010
2041417992017,2cyclictest2347685-21cron11:00:010
2041417992017,2cyclictest2303387-21idleruntime-cro10:30:010
2041417992017,2cyclictest2136251-21grep08:30:000
2041417992014,5cyclictest2471902-21threads12:20:260
2041417992011,5cyclictest2423916-21kthreadcore11:50:200
3240591190,2phc2sys0-21swapper/309:45:213
3240591190,1phc2sys0-21swapper/312:39:333
2041421991917,1cyclictest0-21swapper/207:30:022
2041421991916,1cyclictest0-21swapper/212:00:212
2041421991916,1cyclictest0-21swapper/212:00:012
2041421991916,1cyclictest0-21swapper/211:45:012
2041421991916,1cyclictest0-21swapper/211:00:022
2041421991916,1cyclictest0-21swapper/210:20:022
2041421991913,1cyclictest0-21swapper/212:40:022
2041420991916,2cyclictest664-21dbus-daemon08:00:021
2041420991916,2cyclictest2429273-21sh11:55:011
2041420991916,2cyclictest2400970-21tr11:35:181
2041420991916,2cyclictest2288678-21systemd-run10:20:011
2041420991912,3cyclictest2273441-21runrttasks10:08:561
2041420991910,4cyclictest0-21swapper/109:25:211
204141799198,7cyclictest0-21swapper/012:25:200
204141799198,6cyclictest0-21swapper/012:33:260
204141799198,6cyclictest0-21swapper/012:33:260
2041417991916,2cyclictest2047742-21apt-key07:15:010
2041417991916,2cyclictest1-21systemd10:10:010
2041417991916,2cyclictest1-21systemd09:00:010
2041417991910,5cyclictest2415442-21tail11:45:170
204141799190,3cyclictest2458414-21ssh12:14:260
3240591180,2phc2sys0-21swapper/312:01:553
3240591180,2phc2sys0-21swapper/310:21:093
204142199181,8cyclictest0-21swapper/209:40:012
2041421991816,1cyclictest0-21swapper/208:00:022
2041421991815,1cyclictest0-21swapper/210:55:012
2041421991811,2cyclictest0-21swapper/211:24:572
2041420991815,2cyclictest2408308-21irqcore11:40:191
2041420991815,2cyclictest2355073-21ssh11:05:011
2041420991815,2cyclictest2112058-21systemd-run08:10:011
2041420991815,2cyclictest2051779-21gltestperf07:20:171
2041420991812,2cyclictest69250irq/121-eno109:25:011
204141799189,5cyclictest2366837-21kthreadcore11:10:210
2041417991815,2cyclictest2373545-21kthreadcore11:15:200
2041417991815,2cyclictest1-21systemd09:10:010
2041417991815,2cyclictest0-21swapper/010:55:020
2041417991811,6cyclictest2304697-21irqcore10:30:180
2041417991810,6cyclictest0-21swapper/012:20:020
3240591170,2phc2sys0-21swapper/311:53:193
3240591170,2phc2sys0-21swapper/309:22:403
3240591170,2phc2sys0-21swapper/307:45:263
2041421991715,1cyclictest0-21swapper/211:30:252
2041421991714,1cyclictest0-21swapper/211:35:202
2041421991714,1cyclictest0-21swapper/211:10:152
2041421991714,1cyclictest0-21swapper/209:20:022
2041421991714,1cyclictest0-21swapper/207:35:022
2041420991714,2cyclictest2370233-21latency_hist11:15:011
2041420991714,2cyclictest1034-21runrttasks12:17:431
2041420991714,2cyclictest0-21swapper/107:40:011
204141799177,5cyclictest0-21swapper/009:25:020
2041417991713,3cyclictest1-21systemd09:20:020
204141799170,12cyclictest2443841-21ssh12:04:480
3240591161,2phc2sys0-21swapper/310:54:573
3240591160,3phc2sys0-21swapper/312:09:583
3240591160,2phc2sys0-21swapper/308:20:213
3240591160,1phc2sys0-21swapper/311:21:213
2041421991613,1cyclictest0-21swapper/212:30:012
2041421991613,1cyclictest0-21swapper/211:50:032
2041421991613,1cyclictest0-21swapper/211:27:162
2041421991613,1cyclictest0-21swapper/211:05:262
2041421991613,1cyclictest0-21swapper/210:40:242
2041421991613,1cyclictest0-21swapper/208:45:012
2041421991613,1cyclictest0-21swapper/208:15:002
2041421991613,1cyclictest0-21swapper/208:00:172
2041421991613,1cyclictest0-21swapper/208:00:172
2041421991613,1cyclictest0-21swapper/207:25:012
204142099169,3cyclictest2069257-21/usr/sbin/munin07:35:021
204142099168,3cyclictest2093715-21sh07:55:011
204142099165,6cyclictest2490922-21tr12:35:201
204142099164,5cyclictest2200264-21cat09:20:021
2041420991613,2cyclictest2437705-21gltestperf12:00:171
2041420991613,2cyclictest2130395-21aten_repower_en08:25:021
2041420991613,2cyclictest2041658-21sh07:10:021
2041420991613,2cyclictest1309-21mta-sts-daemon09:30:331
2041420991613,2cyclictest1307-21mta-sts-daemon10:39:561
2041420991613,2cyclictest0-21swapper/110:30:011
2041420991613,2cyclictest0-21swapper/109:40:221
2041420991612,3cyclictest2448833-21kthreadcore12:05:201
2041420991612,3cyclictest2251080-21kworker/u16:2+nfsiod10:51:461
2041420991612,3cyclictest1300-21mta-sts-daemon09:10:071
2041420991612,2cyclictest2325770-21sh10:45:021
2041420991611,3cyclictest0-21swapper/107:30:021
204142099160,11cyclictest2243354-21ssh09:47:081
204141799168,4cyclictest0-21swapper/012:05:200
204141799167,7cyclictest2162830-21tr08:50:190
2041417991613,2cyclictest2259155-21sendmail10:00:000
2041417991613,2cyclictest2245156-21cstates09:50:150
2041417991613,2cyclictest2230941-21tr09:40:200
2041417991613,2cyclictest2214759-21sort09:29:580
2041417991613,2cyclictest2142308-21cron08:35:000
2041417991613,2cyclictest2124343-21aten_repower_en08:20:020
2041417991613,2cyclictest2088039-21aten_repower_vo07:50:120
2041417991613,2cyclictest2063232-21gpgv07:30:020
2041417991613,2cyclictest0-21swapper/008:50:010
2041417991612,3cyclictest2192743-21kworker/u16:0+nfsiod09:47:560
3240591151,3phc2sys0-21swapper/311:29:583
3240591150,1phc2sys0-21swapper/312:16:433
2041421991513,1cyclictest0-21swapper/212:10:182
2041421991513,1cyclictest0-21swapper/211:20:012
2041421991513,1cyclictest0-21swapper/208:30:022
2041421991512,1cyclictest0-21swapper/212:30:172
2041421991512,1cyclictest0-21swapper/212:30:172
2041421991512,1cyclictest0-21swapper/212:10:022
2041421991512,1cyclictest0-21swapper/210:45:162
2041421991512,1cyclictest0-21swapper/210:30:022
2041421991512,1cyclictest0-21swapper/210:05:232
2041421991512,1cyclictest0-21swapper/209:46:352
204142099158,5cyclictest268-21systemd-journal07:44:421
204142099158,3cyclictest2332435-21runrttasks10:48:561
2041420991512,2cyclictest664-21dbus-daemon08:50:011
2041420991512,2cyclictest2355945-21forks11:05:161
2041420991512,2cyclictest2276177-21kthreadcore10:10:191
2041420991512,2cyclictest2143304-21gltestperf08:35:171
2041420991512,2cyclictest2105876-21sh08:05:001
2041420991512,2cyclictest2105876-21sh08:05:001
2041420991512,2cyclictest2041411-21cyclictest11:15:211
2041420991512,2cyclictest2041411-21cyclictest09:00:001
2041420991512,2cyclictest0-21swapper/107:20:011
2041420991512,2cyclictest0-21swapper/107:15:031
204141799157,1cyclictest191rcu_preempt09:34:220
2041417991513,1cyclictest1307-21mta-sts-daemon08:40:180
2041417991512,2cyclictest2355548-21sshd11:05:130
2041417991512,2cyclictest2294139-21switchtime10:20:260
2041417991512,2cyclictest2286777-21timerandwakeup10:15:260
2041417991512,2cyclictest0-21swapper/009:35:250
2041417991511,3cyclictest2251080-21kworker/u16:2+nfsiod10:48:030
2041417991511,2cyclictest0-21swapper/008:00:010
2041417991510,2cyclictest1300-21mta-sts-daemon08:25:010
3240591141,5phc2sys0-21swapper/308:09:583
3240591140,1phc2sys0-21swapper/311:12:473
3240591140,1phc2sys0-21swapper/309:32:103
204142199141,3cyclictest0-21swapper/209:00:012
2041421991412,1cyclictest0-21swapper/210:00:222
2041421991412,1cyclictest0-21swapper/208:30:172
2041421991412,1cyclictest0-21swapper/208:25:012
2041421991411,1cyclictest0-21swapper/210:10:212
2041421991411,1cyclictest0-21swapper/209:50:192
2041421991411,1cyclictest0-21swapper/209:40:302
2041421991411,1cyclictest0-21swapper/209:30:212
2041421991411,1cyclictest0-21swapper/209:25:172
2041421991411,1cyclictest0-21swapper/209:10:172
2041421991411,1cyclictest0-21swapper/208:37:152
2041421991411,1cyclictest0-21swapper/208:19:492
2041421991411,1cyclictest0-21swapper/207:35:242
2041421991410,2cyclictest0-21swapper/209:20:322
204142099148,5cyclictest1307-21mta-sts-daemon10:59:301
204142099145,8cyclictest0-21swapper/108:15:001
204142099145,4cyclictest2087691-21latency_hist07:50:011
2041420991411,2cyclictest2474809-21cut12:25:161
2041420991411,2cyclictest2309117-21unixbench_singl10:30:271
2041420991411,2cyclictest2266509-21aten2.4-expect10:04:581
2041420991411,2cyclictest2253264-21irqrtprio09:55:191
2041420991411,2cyclictest2229715-21sh09:40:011
2041420991411,2cyclictest2142314-21idleruntime-cro08:35:011
2041420991411,2cyclictest2119387-21irqrtprio08:15:201
2041420991411,2cyclictest0-21swapper/108:55:011
2041420991410,3cyclictest759-1atopacctd09:05:201
2041420991410,3cyclictest2251080-21kworker/u16:2+nfsiod11:46:221
204141799148,5cyclictest0-21swapper/011:55:200
2041417991411,2cyclictest2319328-21if_enp1s0.810:40:170
2041417991411,2cyclictest2173229-21aten_repower_vo09:00:100
2041417991411,2cyclictest1306-21mta-sts-daemon08:10:150
2041417991411,2cyclictest11561-21sendmail-mta08:08:460
2041417991410,3cyclictest2385052-21kworker/u16:0+nfsiod11:34:290
3240591132,2phc2sys0-21swapper/309:15:113
3240591130,2phc2sys0-21swapper/312:26:193
3240591130,2phc2sys0-21swapper/311:44:123
3240591130,2phc2sys0-21swapper/310:58:553
3240591130,2phc2sys0-21swapper/309:50:063
3240591130,2phc2sys0-21swapper/309:41:563
3240591130,2phc2sys0-21swapper/309:28:423
204142199131,6cyclictest0-21swapper/208:50:182
204142199131,6cyclictest0-21swapper/207:20:012
2041421991311,1cyclictest0-21swapper/212:15:212
2041421991311,1cyclictest0-21swapper/210:20:182
2041421991310,1cyclictest0-21swapper/211:00:202
2041421991310,1cyclictest0-21swapper/209:55:222
2041421991310,1cyclictest0-21swapper/209:05:182
2041421991310,1cyclictest0-21swapper/208:45:212
2041421991310,1cyclictest0-21swapper/207:50:272
204142099134,2cyclictest491rcuog/208:40:161
2041420991310,2cyclictest2432934-21kthreadcore11:55:201
2041420991310,2cyclictest2174096-21irqcore09:00:171
204141799137,1cyclictest0-21swapper/007:40:040
204141799135,2cyclictest2050921-21munin-run07:20:010
204141799132,4cyclictest2051236-21sshd07:20:120
2041417991310,2cyclictest2082840-21irqcore07:45:190
3240591122,2phc2sys0-21swapper/310:00:283
3240591121,2phc2sys0-21swapper/311:49:583
3240591120,3phc2sys0-21swapper/312:24:573
3240591120,1phc2sys0-21swapper/310:26:543
204142199129,1cyclictest0-21swapper/207:10:172
2041421991210,1cyclictest0-21swapper/208:05:192
204141799129,2cyclictest2142727-21aten_repower_vo08:35:120
204141799129,2cyclictest2100098-21aten_repower_fr08:00:050
204141799129,2cyclictest2100098-21aten_repower_fr08:00:050
204141799120,5cyclictest2041092-21apt-get07:10:020
3240591111,3phc2sys0-21swapper/312:34:583
3240591111,3phc2sys0-21swapper/312:34:583
3240591111,2phc2sys0-21swapper/312:14:393
3240591111,2phc2sys0-21swapper/307:20:273
3240591110,2phc2sys0-21swapper/311:33:073
3240591110,2phc2sys0-21swapper/310:40:413
3240591110,2phc2sys0-21swapper/310:35:363
3240591110,1phc2sys0-21swapper/311:36:113
3240591110,1phc2sys0-21swapper/308:00:383
3240591110,1phc2sys0-21swapper/308:00:383
3240591110,1phc2sys0-21swapper/307:17:263
204142199119,1cyclictest0-21swapper/207:40:192
204142199118,1cyclictest0-21swapper/207:45:212
3240591103,2phc2sys0-21swapper/307:45:023
3240591102,2phc2sys0-21swapper/308:20:013
3240591101,2phc2sys0-21swapper/310:30:153
3240591101,2phc2sys0-21swapper/307:50:203
3240591101,1phc2sys0-21swapper/311:04:573
3240591100,2phc2sys0-21swapper/311:06:303
3240591100,2phc2sys0-21swapper/310:45:223
3240591100,2phc2sys0-21swapper/310:18:003
3240591100,2phc2sys0-21swapper/310:13:273
3240591100,2phc2sys0-21swapper/310:05:263
3240591100,2phc2sys0-21swapper/309:35:353
3240591100,2phc2sys0-21swapper/309:12:023
3240591100,2phc2sys0-21swapper/309:04:573
3240591100,2phc2sys0-21swapper/308:57:083
3240591100,1phc2sys0-21swapper/308:42:373
3240591100,1phc2sys0-21swapper/307:26:523
24351522100,3sleep30-21swapper/311:55:593
324059191,5phc2sys21359792sleep308:27:413
324059191,2phc2sys0-21swapper/309:57:593
324059191,1phc2sys0-21swapper/307:58:253
324059190,2phc2sys0-21swapper/309:09:563
324059190,2phc2sys0-21swapper/308:50:103
324059190,2phc2sys0-21swapper/308:35:163
324059190,2phc2sys0-21swapper/308:30:153
324059190,2phc2sys0-21swapper/308:10:193
324059190,2phc2sys0-21swapper/307:35:253
324059190,2phc2sys0-21swapper/307:30:243
324059190,2phc2sys0-21swapper/307:10:053
324059190,2phc2sys0-21swapper/307:05:203
20414219997,1cyclictest0-21swapper/207:10:022
324059181,2phc2sys0-21swapper/308:45:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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