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2025-11-26 - 08:58
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot8.osadl.org (updated Wed Nov 26, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
840898993431,1cyclictest0-21swapper/321:35:013
840898993027,1cyclictest0-21swapper/319:15:003
12049702230,1sleep30-21swapper/323:19:503
840898992219,1cyclictest0-21swapper/320:10:003
84089899212,13cyclictest1059423-21taskset21:50:143
840898992118,1cyclictest0-21swapper/322:35:163
84089899199,7cyclictest1180889-21turbostat23:05:013
840898991916,1cyclictest0-21swapper/322:45:173
840898991916,1cyclictest0-21swapper/321:45:183
840898991916,1cyclictest0-21swapper/300:10:153
840898991916,1cyclictest0-21swapper/300:10:153
84089899191,14cyclictest988034-21turbostat21:04:593
84089899191,13cyclictest893481-21turbostat19:50:003
84089899191,13cyclictest1253576-21taskset23:50:013
84089899184,8cyclictest1018544-21sleep21:29:543
84089899182,12cyclictest1164738-21turbostat22:55:013
840898991815,1cyclictest0-21swapper/323:55:493
840898991815,1cyclictest0-21swapper/322:40:263
840898991815,1cyclictest0-21swapper/322:05:263
840898991815,1cyclictest0-21swapper/321:10:003
840898991815,1cyclictest0-21swapper/300:00:163
84089899181,14cyclictest948812-21taskset20:30:193
84089899181,13cyclictest1123981-21chrt22:29:503
84089899181,12cyclictest963141-21taskset20:45:023
84089899180,13cyclictest1172790-21turbostat23:00:003
84089899178,6cyclictest13013882sleep300:18:393
840898991715,1cyclictest0-21swapper/321:10:183
840898991714,1cyclictest0-21swapper/323:20:203
840898991714,1cyclictest0-21swapper/321:20:203
84089899171,13cyclictest12596162sleep323:50:373
84089899171,12cyclictest956648-21sleep20:40:013
84089899171,12cyclictest931596-21turbostat20:20:003
84089899171,12cyclictest1327100-21taskset00:35:173
84089899171,12cyclictest1320393-21taskset00:30:153
84089899171,12cyclictest1305803-21taskset00:20:173
84089899171,12cyclictest1236706-21taskset23:38:273
84089899171,12cyclictest1213913-21chrt23:25:153
84089899171,12cyclictest1196241-21taskset23:13:143
84089899171,12cyclictest1186523-21taskset23:05:233
84089899171,12cyclictest1049381-21chrt21:41:123
84089899170,15cyclictest868374-21turbostat19:30:003
84089899170,13cyclictest880897-21turbostat19:40:013
84089899170,12cyclictest1124322-21chrt22:30:013
840898991614,1cyclictest0-21swapper/322:15:013
840898991613,1cyclictest0-21swapper/323:40:143
840898991613,1cyclictest0-21swapper/321:55:233
84089899161,12cyclictest943855-21taskset20:26:513
84089899161,12cyclictest900338-21taskset19:55:123
84089899161,12cyclictest899660-21taskset19:50:443
84089899161,12cyclictest887028-21chrt19:43:033
84089899161,12cyclictest861407-21taskset19:20:213
84089899161,12cyclictest1310420-21chrt00:25:113
84089899161,12cyclictest1284333-21taskset00:06:563
84089899161,12cyclictest1221457-21taskset23:30:053
84089899161,12cyclictest1115774-21turbostat22:25:003
84089899161,12cyclictest1098920-21taskset22:13:503
84089899161,12cyclictest1041541-21taskset21:36:433
84089899161,12cyclictest1002694-21taskset21:15:123
84089899161,11cyclictest868590-21taskset19:30:043
84089899160,13cyclictest924726-21taskset20:10:283
84089899160,13cyclictest1082055-21chrt22:02:083
84089899160,12cyclictest981398-21taskset20:55:443
84089899160,12cyclictest931840-21taskset20:20:013
840898991512,1cyclictest0-21swapper/320:50:133
84089899151,11cyclictest958376-21taskset20:40:163
84089899151,11cyclictest855145-21taskset19:15:213
84089899150,11cyclictest912162-21taskset20:00:263
10202562155,7sleep11021740-21cat21:25:151
11968332140,11sleep01196841-21ssh23:14:350
147598130,8rtkit-daemon1310221-21cut00:25:010
11244422138,2sleep11124528-21grep22:30:131
11176652131,9sleep21118747-21tr22:25:172
10556242130,6sleep11056371-21sed21:45:201
9506062122,7sleep0950639-21apt-get20:35:140
9181502120,9sleep0918206-21ntp_states20:05:210
8399632121,7sleep2840059-21switchtime19:05:242
147598120,8rtkit-daemon951722-21sed20:35:182
12699182121,3sleep10-21swapper/100:00:181
12692392121,8sleep21269246-21sh23:59:182
9572832110,8sleep1957510-21sed20:40:151
147598110,7rtkit-daemon878493-21kthreadcore19:35:192
147598110,4rtkit-daemon214-21plymouthd21:09:012
147598110,4rtkit-daemon1325341-21ssh00:33:031
147598110,4rtkit-daemon1002175-21ssh21:14:370
147598110,1rtkit-daemon0-21swapper/022:14:470
13162822110,5sleep21316286-21ssh00:25:432
12391512110,8sleep11240570-21cut23:40:171
11952122111,7sleep11195219-21sh23:10:481
11731202111,3sleep01173154-21apt-get23:00:130
11476702110,1sleep20-21swapper/222:42:472
10339572110,8sleep11033965-21ssh21:33:261
9211122100,7sleep1923105-21cut20:10:221
8901732100,7sleep2892290-21grep19:45:182
8347852101,4sleep00-21swapper/019:05:130
147598100,6rtkit-daemon847378-21munin-node20:57:202
147598100,6rtkit-daemon474-21systemd-logind21:43:431
12606582101,7sleep11260664-21ssh23:53:071
11141052100,7sleep01114113-21ssh22:21:100
10822892101,6sleep11082296-21sh22:02:381
10400932101,6sleep21040383-21cut21:35:222
10028932101,2sleep10-21swapper/121:15:141
887477291,5sleep1887442-21/usr/sbin/munin19:45:131
14759890,5rtkit-daemon847378-21munin-node00:36:081
14759890,5rtkit-daemon313-21systemd-udevd19:25:422
14759890,5rtkit-daemon295-21systemd-journal21:17:410
14759890,5rtkit-daemon1540-21sendmail-mta22:54:200
14759890,4rtkit-daemon1197303-21ssh23:15:030
14759890,3rtkit-daemon1292440-21ssh00:11:280
14759890,3rtkit-daemon1292440-21ssh00:11:270
14759890,1rtkit-daemon0-21swapper/220:02:552
1247229291,5sleep01249110-21tr23:45:180
1237723291,4sleep01237758-21apt-get23:40:120
1237130290,6sleep2720-21snmpd23:39:312
1235060290,6sleep01235282-21grep23:35:240
1227747294,3sleep0151ktimers/023:31:260
1220729290,1sleep10-21swapper/123:28:561
1197360290,6sleep21197444-21grep23:15:132
1172177290,1sleep00-21swapper/022:58:360
1148923291,4sleep11148960-21apt-get22:45:111
1140874291,4sleep11140907-21apt-get22:40:151
1116334291,4sleep11116373-21apt-get22:25:121
1114842290,1sleep10-21swapper/122:22:501
1075982290,6sleep21076130-21irqcore22:00:152
1075104291,5sleep11075112-21ssh21:59:471
1010965290,6sleep21010787-21/usr/sbin/munin21:20:172
962888280,5sleep0956629-21turbostat.cron20:44:550
943897280,1sleep00-21swapper/020:27:250
887099280,1sleep00-21swapper/019:43:570
877075280,2sleep1879115-21kthreadcore19:35:191
862088280,1sleep20-21swapper/219:24:512
849907280,5sleep2214-21plymouthd19:15:132
14759880,5rtkit-daemon1540-21sendmail-mta20:53:252
14759880,4rtkit-daemon899-21cron00:28:000
14759880,4rtkit-daemon730-21ntpd23:20:012
14759880,4rtkit-daemon720-21snmpd23:45:222
14759880,4rtkit-daemon720-21snmpd20:23:542
14759880,4rtkit-daemon456-21avahi-daemon19:40:182
14759880,4rtkit-daemon214-21plymouthd22:49:110
14759880,4rtkit-daemon214-21plymouthd22:37:030
14759880,4rtkit-daemon214-21plymouthd21:35:211
14759880,4rtkit-daemon214-21plymouthd21:11:592
14759880,4rtkit-daemon214-21plymouthd20:08:022
14759880,4rtkit-daemon1300919-21ssh00:17:300
14759880,4rtkit-daemon1260271-21kworker/u16:0+nfsiod23:54:392
14759880,4rtkit-daemon1218719-21ntp_states23:25:222
14759880,4rtkit-daemon1080960-21readlink22:00:210
14759880,4rtkit-daemon1024736-21ssh21:25:482
14759880,3rtkit-daemon1067824-21hddtemp_smartct21:55:150
14759880,2rtkit-daemon214-21plymouthd23:27:310
14759880,1rtkit-daemon0-21swapper/021:20:110
1291584281,5sleep11291667-21ssh00:10:241
1291584281,5sleep11291667-21ssh00:10:231
1280558281,4sleep11282613-21cut00:05:181
1227372281,4sleep21227380-21ssh23:30:322
1171189281,5sleep11171195-21ssh22:56:171
1138973280,2sleep10-21swapper/122:37:011
1126487280,5sleep21128492-21kthreadcore22:30:172
1088826281,4sleep01088905-21ntp_states22:05:230
1085105281,4sleep11086888-21grep22:05:201
1059381281,3sleep21059416-21apt-get21:50:142
1051316280,1sleep20-21swapper/221:45:042
1050897280,1sleep00-21swapper/021:44:420
1036700280,6sleep01038037-21grep21:35:210
1033809280,2sleep21033811-21ssh21:33:072
1018250280,2sleep11018258-21ssh21:24:281
994081270,1sleep10-21swapper/121:07:441
982196271,4sleep10-21swapper/121:00:161
950135270,1sleep00-21swapper/020:32:210
939518270,5sleep2940776-21cat20:25:182
894025270,4sleep0894174-21df_inode19:50:140
887898270,4sleep0888838-21irqstats19:45:170
867619270,5sleep0867740-21ls19:25:240
862761270,4sleep1863305-21cut19:25:171
857276270,5sleep1858410-21kthreadcore19:20:171
856047271,3sleep0856080-21apt-get19:20:120
847072270,4sleep1847102-21awk19:15:001
14759870,4rtkit-daemon847378-21munin-node20:46:072
14759870,4rtkit-daemon847378-21munin-node00:00:212
14759870,4rtkit-daemon720-21snmpd19:51:252
14759870,3rtkit-daemon994267-21diskmemload23:05:230
14759870,3rtkit-daemon847378-21munin-node21:01:292
14759870,3rtkit-daemon214-21plymouthd22:41:030
14759870,3rtkit-daemon214-21plymouthd20:17:562
14759870,3rtkit-daemon214-21plymouthd20:14:272
14759870,3rtkit-daemon214-21plymouthd00:08:350
14759870,3rtkit-daemon1540-21sendmail-mta19:10:352
14759870,3rtkit-daemon1-21systemd23:41:222
14759870,3rtkit-daemon1-21systemd20:34:142
14759870,3rtkit-daemon1-21systemd19:31:332
14759870,3rtkit-daemon1-21systemd00:05:332
14759870,3rtkit-daemon1138335-21ssh22:35:342
14759870,2rtkit-daemon214-21plymouthd23:49:411
1309476270,5sleep11309484-21ssh00:23:331
1286678271,3sleep20-21swapper/200:10:172
1286678271,3sleep20-21swapper/200:10:162
1227461271,2sleep1214-21plymouthd23:30:431
1211380271,4sleep11211388-21ssh23:20:571
1179805270,5sleep21179811-21ssh23:02:322
1124398271,3sleep01124439-21apt-get22:30:120
1100188270,1sleep10-21swapper/122:15:141
1051549270,4sleep00-21swapper/021:45:150
1018840271,3sleep01018877-21ssh21:25:110
994609260,3sleep1994644-21apt-get21:10:141
993970260,1sleep00-21swapper/021:06:190
981559260,1sleep10-21swapper/120:57:471
981417260,1sleep00-21swapper/020:55:570
975284260,1sleep00-21swapper/020:52:570
969450261,2sleep10-21swapper/120:50:141
952003260,3sleep1953211-21kthreadcore20:35:191
950147260,1sleep10-21swapper/120:32:301
938577260,3sleep1939517-21irqstats20:25:171
937862261,2sleep10-21swapper/120:25:001
926679261,3sleep00-21swapper/020:15:190
920706261,3sleep0921111-21cat20:10:210
912521260,3sleep1912539-21apt-get20:05:021
912348260,1sleep00-21swapper/020:02:470
905942260,1sleep10-21swapper/119:55:551
900448260,3sleep0900648-21hddtemp_smartct19:55:150
834780260,1sleep10-21swapper/119:05:111
14759860,3rtkit-daemon295-21systemd-journal22:15:010
14759860,3rtkit-daemon22110-21packagekitd21:51:241
14759860,3rtkit-daemon1-21systemd20:40:132
14759860,2rtkit-daemon905489-21ps19:55:202
1332428260,1sleep20-21swapper/200:35:492
1318494261,3sleep21318562-21cpuspeed_turbos00:30:112
1316890260,1sleep10-21swapper/100:27:071
1300451260,1sleep20-21swapper/200:16:262
1294302260,2sleep10-21swapper/100:15:121
1269848260,1sleep00-21swapper/000:00:090
1268260260,1sleep10-21swapper/123:57:051
1236939260,4sleep11236945-21ssh23:38:581
1197322260,3sleep11197357-21apt-get23:15:131
1196331260,4sleep20-21swapper/223:13:262
1187906260,1sleep10-21swapper/123:07:391
1179246260,1sleep1214-21plymouthd23:01:111
1164633260,1sleep20-21swapper/222:54:502
1163035260,1sleep10-21swapper/122:51:051
1123406260,1sleep0171rcu_preempt22:28:260
1108242261,2sleep20-21swapper/222:20:152
1098708260,1sleep10-21swapper/122:13:251
1067091260,1sleep0214-21plymouthd21:54:560
987843250,3sleep00-21swapper/021:02:470
968915250,3sleep00-21swapper/020:46:360
927810250,2sleep10-21swapper/120:15:201
912421250,3sleep10-21swapper/120:03:451
882125250,3sleep1883276-21grep19:40:171
855570250,3sleep00-21swapper/019:17:270
854926251,2sleep10-21swapper/119:15:191
835090250,2sleep30-21swapper/319:05:173
1308980250,3sleep20-21swapper/200:22:262
1267202250,3sleep01267371-21timerwakeupswit23:55:230
1182664250,3sleep21184311-21sed23:05:192
1167703250,2sleep20-21swapper/222:55:172
1105893250,1sleep20-21swapper/222:15:472
1097608250,3sleep20-21swapper/222:10:492
1086890251,2sleep20-21swapper/222:05:212
1071663250,3sleep21072520-21ssh21:55:192
1033208251,2sleep00-21swapper/021:31:450
963549240,2sleep10-21swapper/120:45:171
899705240,3sleep10-21swapper/119:51:191
875917240,2sleep00-21swapper/019:35:180
870138240,2sleep10-21swapper/119:30:191
1332540240,2sleep0221rcuc/000:36:020
1325610240,2sleep01325618-21ssh00:33:390
1260922240,3sleep00-21swapper/023:53:510
1205041240,3sleep00-21swapper/023:20:000
1150351240,2sleep21150388-21kthreadcore22:45:162
1049138240,1sleep20-21swapper/221:40:362
1002652240,2sleep21002660-21ssh21:15:072
931852230,1sleep00-21swapper/020:20:100
868592230,1sleep00-21swapper/019:30:060
841069230,1sleep00-21swapper/019:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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