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2025-12-06 - 15:11
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackeslot4.osadl.org (updated Sat Dec 06, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200279799341,2cyclictest0-21swapper/023:05:140
200279799341,20cyclictest2391325-21idleruntime-cro00:40:000
2002797993318,4cyclictest2283480-21sh23:12:310
200279799322,2cyclictest2246885-21apt-get22:45:110
200279799321,21cyclictest2090145-21apt-get20:35:120
200279799312,21cyclictest2095238-21apt-get20:40:140
200279799312,21cyclictest2003014-21apt-get19:10:130
2002797993118,2cyclictest2370635-21/usr/sbin/munin00:20:220
2002797993116,3cyclictest2189202-21ssh21:58:410
200279799311,2cyclictest2284575-21apt-get23:15:130
200279799310,21cyclictest1-21systemd21:40:000
2002797993018,3cyclictest2125951-21diskmemload00:29:330
200279799300,21cyclictest2302862-21ssh23:29:220
200279799300,21cyclictest2239778-21ssh22:38:200
200279799300,20cyclictest0-21swapper/022:58:240
200279799300,20cyclictest0-21swapper/022:58:230
2002797992919,8cyclictest2100835-21grep20:45:130
2002797992919,8cyclictest2038415-21cron19:45:000
200279799291,20cyclictest2125951-21diskmemload22:05:300
200279799291,19cyclictest0-21swapper/023:03:520
200279999280,3cyclictest0-21swapper/100:15:231
2002797992818,2cyclictest2125951-21diskmemload21:43:120
2002797992818,1cyclictest2125951-21diskmemload23:42:340
2002797992818,1cyclictest0-21swapper/023:38:260
2002797992818,1cyclictest0-21swapper/000:13:590
2002797992817,2cyclictest2177071-21munin-run21:50:000
200279799280,20cyclictest2125951-21diskmemload21:32:430
2002802992723,3cyclictest2284272-21systemd-run23:15:002
200280299272,22cyclictest2023416-21apt-get19:30:122
200280299272,21cyclictest2158523-21apt-get21:35:122
200280299271,23cyclictest2013244-21apt-get19:20:122
200280299271,22cyclictest2334709-21apt-get23:55:142
200280299271,21cyclictest2164765-21apt-get21:40:112
2002797992719,1cyclictest0-21swapper/019:20:160
2002797992716,2cyclictest2150015-21ntp_states21:25:270
200279799271,1cyclictest0-21swapper/021:12:380
200279799270,21cyclictest2214758-21ssh22:18:440
200279799270,20cyclictest2125951-21diskmemload21:19:030
200279799270,20cyclictest0-21swapper/023:46:130
200279799270,1cyclictest0-21swapper/023:24:500
200280299261,23cyclictest2256123-21kthreadcore22:50:192
200280299261,21cyclictest2272014-21apt-get23:05:122
200279999260,2cyclictest191rcu_preempt22:35:121
2002797992619,1cyclictest0-21swapper/022:27:260
2002797992618,1cyclictest0-21swapper/023:53:560
2002797992618,1cyclictest0-21swapper/022:11:260
2002797992617,1cyclictest0-21swapper/022:50:090
200279799261,2cyclictest2125951-21diskmemload22:01:270
200279799260,1cyclictest64-21kcompactd023:55:160
200280799252,2cyclictest2221758-21apt-get22:25:163
2002807992516,2cyclictest2363980-21taskset00:15:243
2002802992519,3cyclictest2340945-21apt-get00:00:132
2002799992516,1cyclictest191rcu_preempt22:02:491
200279999250,24cyclictest2374393-21grep00:25:211
2002797992518,1cyclictest0-21swapper/020:30:150
2002797992518,1cyclictest0-21swapper/020:30:140
2002797992517,1cyclictest2125951-21diskmemload00:09:550
2002797992515,1cyclictest0-21swapper/021:52:180
200279799250,20cyclictest0-21swapper/021:24:570
200279799250,19cyclictest0-21swapper/020:05:570
2002807992418,4cyclictest3471731-21systemd-journal22:10:003
200280799241,21cyclictest2385711-21hddtemp_smartct00:35:163
2002802992420,3cyclictest2057970-21ntpq20:00:222
2002802992420,2cyclictest2347225-21apt-get00:05:132
2002802992419,3cyclictest2269780-21ntpq23:00:212
2002802992419,3cyclictest2125951-21diskmemload21:59:072
2002802992419,3cyclictest2095731-21sort20:40:172
200280299241,21cyclictest2363849-21ntpq00:15:212
200280299241,20cyclictest2121162-21apt-get21:05:132
200280299240,22cyclictest2288655-21ntpq23:15:232
200280299240,21cyclictest2246891-21ssh22:45:102
200280299240,20cyclictest0-21swapper/222:00:122
200280299240,20cyclictest0-21swapper/221:45:112
200280299240,20cyclictest0-21swapper/219:35:122
200280299240,20cyclictest0-21swapper/200:30:142
2002799992420,2cyclictest0-21swapper/100:35:201
200279999241,4cyclictest2174850-21ssh21:45:181
200279999241,3cyclictest3471731-21systemd-journal23:01:581
200279999241,21cyclictest2315907-21apt-get23:40:121
200279999241,21cyclictest2125951-21diskmemload23:50:421
200279999241,21cyclictest2079542-21apt-get20:25:141
200279999241,21cyclictest2028508-21apt-get19:35:121
200279999240,4cyclictest2290550-21cron23:20:001
200279999240,23cyclictest2203011-21sed22:10:181
200279999240,17cyclictest191rcu_preempt23:58:591
2002797992420,2cyclictest2008127-21apt-get19:15:120
200279799241,21cyclictest3471731-21systemd-journal00:20:000
200279799241,20cyclictest2125951-21diskmemload00:30:020
200280799232,2cyclictest3090149-21kworker/u8:3+rpciod22:15:283
2002807992319,3cyclictest2110564-21apt-get20:55:133
200280799231,2cyclictest2048918-21apt-get19:55:123
200280799231,2cyclictest2023416-21apt-get19:30:123
2002802992320,2cyclictest2125951-21diskmemload00:39:162
2002802992319,2cyclictest2228045-21apt-get22:30:122
2002802992319,2cyclictest0-21swapper/221:50:112
2002802992319,2cyclictest0-21swapper/220:25:142
2002802992318,3cyclictest2126692-21apt-get21:10:122
200280299231,2cyclictest2224030-21kthreadcore22:25:222
200280299231,2cyclictest2139176-21apt-get21:20:122
200280299231,2cyclictest2125951-21diskmemload22:21:012
200280299231,2cyclictest2022225-21ntpq19:25:192
200280299231,2cyclictest0-21swapper/222:10:142
200280299231,21cyclictest2125951-21diskmemload22:18:162
200280299231,21cyclictest2125951-21diskmemload00:27:562
200280299231,20cyclictest2125951-21diskmemload23:36:012
200280299231,20cyclictest2125951-21diskmemload22:55:232
200280299231,20cyclictest2125951-21diskmemload22:55:222
200280299230,3cyclictest2332586-21/usr/sbin/munin23:50:232
200280299230,3cyclictest2322180-21taskset23:45:122
200280299230,3cyclictest2064198-21apt-get20:10:172
200280299230,22cyclictest2308555-21ssh23:32:292
200280299230,21cyclictest2202208-21munin-run22:09:592
200280299230,21cyclictest2125951-21diskmemload23:29:042
200280299230,20cyclictest2315912-21ssh23:40:122
200280299230,20cyclictest0-21swapper/222:40:152
200280299230,20cyclictest0-21swapper/221:30:122
200280299230,20cyclictest0-21swapper/220:05:112
200280299230,20cyclictest0-21swapper/219:45:122
200279999232,20cyclictest2309667-21apt-get23:35:131
200279999232,20cyclictest2251504-21kworker/u8:3+rpciod00:11:091
2002799992313,1cyclictest191rcu_preempt23:22:351
200279999231,2cyclictest2209208-21apt-get22:15:141
200279999231,2cyclictest2125951-21diskmemload22:34:111
200279999231,2cyclictest2125951-21diskmemload00:34:451
200279999231,21cyclictest0-21swapper/123:10:111
200279999231,20cyclictest64-21kcompactd019:34:471
200279999231,20cyclictest2257235-21ntpq22:50:221
200279999231,20cyclictest2125951-21diskmemload22:21:401
200279999231,20cyclictest2125951-21diskmemload21:44:531
200279999231,20cyclictest2125951-21diskmemload21:31:171
200279999230,3cyclictest2151539-21ssh21:28:551
200279999230,2cyclictest2243195-21ssh22:40:211
2002797992319,3cyclictest2069809-21cut20:15:170
200279799231,2cyclictest2074425-21apt-get20:20:120
200279799231,20cyclictest2125951-21diskmemload22:34:230
200279799231,20cyclictest0-21swapper/023:30:110
200279799230,4cyclictest2044290-21grep19:50:160
2002807992220,1cyclictest0-21swapper/300:00:143
2002807992219,2cyclictest2366471-21apt-get00:20:113
2002807992219,2cyclictest2269718-21ntpq23:00:203
2002807992219,2cyclictest2125951-21diskmemload22:00:553
2002807992219,2cyclictest2125951-21diskmemload21:58:503
2002807992218,3cyclictest2314329-21ssh23:35:583
2002807992218,3cyclictest2303441-21ssh23:30:133
2002807992218,3cyclictest2264421-21ssh22:56:533
2002807992218,3cyclictest2264421-21ssh22:56:523
2002807992218,3cyclictest2258512-21ssh22:53:043
2002807992218,3cyclictest2152144-21ssh21:30:063
2002807992218,3cyclictest2131514-21ssh21:11:353
2002807992217,4cyclictest2246312-21ssh22:44:113
200280799221,20cyclictest2288583-21ntpq23:15:223
200280799221,1cyclictest0-21swapper/300:29:433
200280799221,19cyclictest2125951-21diskmemload23:51:253
200280799220,3cyclictest2100067-21ls20:45:003
200280799220,20cyclictest2283590-21ssh23:12:533
200280799220,20cyclictest0-21swapper/319:50:123
2002802992219,2cyclictest0-21swapper/200:13:002
2002802992219,1cyclictest0-21swapper/219:55:112
2002802992219,1cyclictest0-21swapper/200:20:112
2002802992216,3cyclictest2291262-21hddtemp_smartct23:20:182
200280299221,2cyclictest0-21swapper/219:42:182
200280299221,20cyclictest0-21swapper/220:31:462
200280299221,20cyclictest0-21swapper/220:31:462
200280299220,2cyclictest0-21swapper/220:15:122
200280299220,20cyclictest2125951-21diskmemload21:26:332
200279999222,19cyclictest2351217-21ssh00:05:211
2002799992219,2cyclictest2302927-21ssh23:29:331
200279999221,20cyclictest2125951-21diskmemload23:31:051
200279999221,20cyclictest2125951-21diskmemload22:58:181
200279999221,20cyclictest2125951-21diskmemload22:58:171
200279999221,1cyclictest2125951-21diskmemload21:11:411
200279999220,2cyclictest2125951-21diskmemload23:09:541
200279999220,2cyclictest0-21swapper/121:54:321
200279999220,2cyclictest0-21swapper/119:50:121
200279999220,21cyclictest2125951-21diskmemload22:45:071
200279999220,20cyclictest2125951-21diskmemload21:59:331
200279999220,20cyclictest0-21swapper/123:45:131
200279999220,20cyclictest0-21swapper/121:20:121
2002797992218,2cyclictest2240647-21apt-get22:40:150
200279799220,3cyclictest2346907-21cron00:05:000
200279799220,21cyclictest64-21kcompactd022:22:340
2002807992119,2cyclictest491ktimers/323:24:213
2002807992119,1cyclictest2251508-21ssh22:45:453
2002807992119,1cyclictest2125951-21diskmemload22:35:263
2002807992119,1cyclictest0-21swapper/323:55:043
2002807992119,1cyclictest0-21swapper/322:31:223
2002807992119,1cyclictest0-21swapper/322:13:063
2002807992119,1cyclictest0-21swapper/321:24:533
2002807992119,1cyclictest0-21swapper/320:25:233
2002807992118,2cyclictest481rcuc/319:41:463
2002807992118,2cyclictest2137778-21sh21:16:363
2002807992118,2cyclictest2125951-21diskmemload21:40:223
200280799211,19cyclictest3471731-21systemd-journal19:20:003
200280799211,19cyclictest2125951-21diskmemload21:25:023
200280799210,2cyclictest2177324-21/usr/sbin/munin21:50:153
200280799210,2cyclictest2125951-21diskmemload23:42:073
200280799210,2cyclictest2120614-21latency_hist21:05:003
200280799210,2cyclictest0-21swapper/300:05:023
200280799210,20cyclictest2275986-21netstat23:05:203
200280799210,20cyclictest0-21swapper/323:25:283
200280799210,20cyclictest0-21swapper/321:35:223
200280799210,20cyclictest0-21swapper/300:31:553
200280799210,1cyclictest2085080-21apt-get20:30:143
200280799210,1cyclictest2085080-21apt-get20:30:143
200280799210,1cyclictest0-21swapper/322:20:163
2002802992117,2cyclictest2135159-21kthreadcore21:15:192
2002802992117,2cyclictest2120495-21https21:05:002
200280299210,20cyclictest64-21kcompactd019:15:262
2002799992119,1cyclictest0-21swapper/119:25:191
2002799992119,1cyclictest0-21swapper/100:20:411
2002799992118,2cyclictest0-21swapper/121:15:131
2002799992118,2cyclictest0-21swapper/120:50:131
200279999211,1cyclictest2340950-21ssh00:00:131
200279999211,1cyclictest0-21swapper/122:05:121
200279999210,20cyclictest2115393-21sh21:00:011
200279999210,20cyclictest2049400-21ps19:55:151
200279999210,20cyclictest0-21swapper/121:35:271
200279999210,1cyclictest0-21swapper/122:28:431
200279999210,1cyclictest0-21swapper/120:05:111
200279999210,1cyclictest0-21swapper/119:17:351
2002797992119,1cyclictest2115663-21apt-get21:00:130
2002797992119,1cyclictest0-21swapper/020:00:130
2002797992118,2cyclictest2023142-21ls19:30:000
200279799210,20cyclictest0-21swapper/021:05:130
200279799210,20cyclictest0-21swapper/020:55:140
200279799210,20cyclictest0-21swapper/020:52:110
200279799210,20cyclictest0-21swapper/020:26:550
2002807992019,1cyclictest4175290-21kworker/u8:2+ext4-rsv-conversion21:05:223
2002807992018,1cyclictest0-21swapper/319:25:113
2002807992016,3cyclictest521-21systemd-logind20:15:013
200280799200,1cyclictest0-21swapper/321:45:063
200280799200,1cyclictest0-21swapper/319:35:123
200280799200,1cyclictest0-21swapper/319:10:133
200280799200,1cyclictest0-21swapper/300:10:113
200280799200,19cyclictest2090634-21tr20:35:173
200280799200,19cyclictest0-21swapper/323:45:133
2002802992018,1cyclictest0-21swapper/220:20:122
200280299200,1cyclictest0-21swapper/219:10:352
2002799992018,1cyclictest0-21swapper/120:45:091
200279999200,1cyclictest0-21swapper/120:10:161
200279999200,19cyclictest0-21swapper/121:05:061
200279999200,19cyclictest0-21swapper/120:21:011
200279999200,19cyclictest0-21swapper/119:46:041
2002797992018,1cyclictest0-21swapper/019:55:450
2002797992018,1cyclictest0-21swapper/019:45:130
2002807991917,1cyclictest0-21swapper/320:05:113
200280799190,18cyclictest64-21kcompactd020:00:033
2002802991917,1cyclictest0-21swapper/219:51:592
2002799991917,1cyclictest0-21swapper/120:30:141
2002799991917,1cyclictest0-21swapper/120:30:141
200279999190,0cyclictest0-21swapper/121:00:131
2002807991816,1cyclictest0-21swapper/320:50:183
2002807991814,2cyclictest0-21swapper/320:25:003
2002802991816,1cyclictest0-21swapper/220:45:092
2002802991816,1cyclictest0-21swapper/220:36:042
2002799991816,1cyclictest0-21swapper/119:40:121
2002799991816,1cyclictest0-21swapper/119:20:121
2002799991816,1cyclictest0-21swapper/119:12:121
2002797991814,2cyclictest2064198-21apt-get20:10:160
2002807991715,1cyclictest0-21swapper/320:15:133
2002799991716,1cyclictest64-21kcompactd020:39:501
2002799991613,2cyclictest2057874-21needreboot20:00:201
2002799991613,2cyclictest0-21swapper/120:20:001
2002797991614,1cyclictest0-21swapper/019:35:120
2002807991514,1cyclictest64-21kcompactd020:46:173
2002797991513,1cyclictest0-21swapper/019:30:120
2002802991410,2cyclictest2110288-21cron20:55:002
200280799130,4cyclictest20135081fschecks_time19:20:143
200280299130,11cyclictest2115414-21awk21:00:002
2002807991210,1cyclictest0-21swapper/319:46:363
200279999116,4cyclictest2002894-21cat19:10:011
200279999112,2cyclictest191rcu_preempt20:45:001
20028079990,8cyclictest2002919-21cat19:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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