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2026-09-16 - 08:59
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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 highest latencies:
System rackeslot4.osadl.org (updated Wed Sep 16, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
98756799310,4cyclictest41-21ksoftirqd/221:15:002
98756799262,3cyclictest1117009-21apt-get21:15:122
98756799262,1cyclictest191rcu_preempt22:40:152
987565992620,4cyclictest1152900-21apt-get21:50:131
98756099261,22cyclictest1106015-21apt-get21:05:120
98756799252,22cyclictest41-21ksoftirqd/219:45:132
987567992521,2cyclictest1311600-21apt-get00:25:122
987567992520,2cyclictest1090778-21apt-get20:50:112
987567992519,4cyclictest1239806-21cron23:14:592
98756799251,21cyclictest1084990-21awk20:45:002
98756799250,22cyclictest1174103-21tr22:10:162
987565992520,3cyclictest1147852-21apt-get21:45:111
98756599251,21cyclictest987781-21apt-get19:10:131
98756599251,20cyclictest1059916-21apt-get20:20:141
98756099251,22cyclictest0-21swapper/023:20:110
98756099251,21cyclictest1224782-21apt-get23:00:090
98756099251,20cyclictest1279535-21ntpq23:50:210
98756099250,22cyclictest1188988-21idleruntime-cro22:25:010
98757099241,3cyclictest1194323-21apt-get22:30:123
98757099241,2cyclictest1049774-21apt-get20:10:143
98757099241,20cyclictest1290883-21apt-get00:05:123
98757099241,20cyclictest1122083-21apt-get21:20:133
98757099241,20cyclictest0-21swapper/323:25:123
98756799243,12cyclictest1018579-21munin-run19:40:002
987567992420,2cyclictest0-21swapper/223:40:162
987567992420,2cyclictest0-21swapper/222:05:162
987567992419,3cyclictest1209598-21apt-get22:45:122
98756799241,3cyclictest1275649-21apt-get23:50:122
98756799241,2cyclictest1163442-21apt-get22:00:132
98756799241,21cyclictest1245179-21apt-get23:20:112
98756799241,21cyclictest1070030-21apt-get20:30:132
98756799241,21cyclictest1003531-21apt-get19:25:132
98756799240,22cyclictest1285562-21cron00:00:002
98756799240,22cyclictest1214647-21taskset22:50:112
987565992420,2cyclictest1013721-21apt-get19:35:111
98756599241,2cyclictest1002861-21https19:25:001
98756599241,20cyclictest1289712-21ntpq00:00:211
98756599241,20cyclictest1255325-21apt-get23:30:111
98756599240,22cyclictest1045205-21tr20:05:171
98756599240,21cyclictest1234992-21apt-get23:10:111
987560992420,2cyclictest1306106-21apt-get00:20:120
98756099241,21cyclictest1045204-21grep20:05:170
987570992318,3cyclictest1142785-21apt-get21:40:123
98757099231,2cyclictest3777322-21systemd-journal00:29:093
98757099231,20cyclictest1182559-21ntpq22:15:213
98757099230,20cyclictest0-21swapper/320:05:133
98757099230,20cyclictest0-21swapper/319:55:143
98757099230,19cyclictest0-21swapper/300:30:143
98756799233,1cyclictest391rcuc/200:25:012
987567992321,1cyclictest41-21ksoftirqd/223:45:122
987567992319,2cyclictest1320625-21ntpq00:30:222
987567992318,3cyclictest1199413-21apt-get22:35:112
987567992318,3cyclictest1086186-21grep20:45:172
98756799231,3cyclictest1285837-21apt-get00:00:132
98756799231,2cyclictest0-21swapper/222:25:102
98756799231,2cyclictest0-21swapper/220:25:132
98756799231,21cyclictest1183792-21latency_hist22:20:002
98756799231,21cyclictest0-21swapper/223:25:132
98756799231,20cyclictest0-21swapper/221:05:122
987565992319,2cyclictest1219720-21apt-get22:55:161
987565992319,2cyclictest1204483-21apt-get22:40:111
987565992319,2cyclictest1126065-21ntpq21:20:231
98756599231,2cyclictest1213513-21ntpq22:45:211
98756599231,20cyclictest1024354-21apt-get19:45:121
98756599231,19cyclictest1074822-21cron20:35:001
98756599230,2cyclictest1137884-21chrt21:35:171
98756599230,20cyclictest1189762-21cut22:25:151
98756599230,20cyclictest0-21swapper/121:05:121
98756599230,20cyclictest0-21swapper/120:50:121
987560992319,3cyclictest0-21swapper/021:55:100
987560992319,2cyclictest1163442-21apt-get22:00:140
987560992319,2cyclictest1127263-21apt-config21:25:010
987560992319,2cyclictest0-21swapper/023:30:120
98756099231,2cyclictest702-21runrttasks00:00:210
98756099231,2cyclictest1189259-21apt-get22:25:110
98756099231,2cyclictest1074820-21cron20:35:000
98756099231,20cyclictest0-21swapper/020:50:120
98756099231,1cyclictest1270558-21apt-get23:45:120
98756099230,22cyclictest1137442-21ls21:35:000
98756099230,21cyclictest1204206-21cron22:40:000
98756099230,20cyclictest0-21swapper/019:30:130
987570992218,2cyclictest1084983-21cron20:45:003
987570992217,4cyclictest0-21swapper/319:40:003
987570992217,3cyclictest1004032-21grep19:25:173
98757099221,20cyclictest1325697-21ntpq00:35:213
98757099220,20cyclictest1286321-21irqcore00:00:183
98757099220,20cyclictest0-21swapper/320:55:123
98757099220,19cyclictest0-21swapper/323:10:113
98757099220,19cyclictest0-21swapper/322:45:133
98757099220,19cyclictest0-21swapper/322:05:123
98757099220,19cyclictest0-21swapper/319:50:123
987567992219,2cyclictest0-21swapper/220:10:222
987567992219,2cyclictest0-21swapper/219:40:132
987567992219,1cyclictest0-21swapper/223:16:282
987567992219,1cyclictest0-21swapper/221:42:232
98756799221,20cyclictest0-21swapper/222:58:432
98756799221,20cyclictest0-21swapper/221:30:122
98756799221,20cyclictest0-21swapper/220:05:212
98756799221,20cyclictest0-21swapper/219:55:142
98756799221,20cyclictest0-21swapper/219:20:212
98756799221,20cyclictest0-21swapper/219:10:122
98756799220,3cyclictest1234714-21cron23:10:002
98756799220,2cyclictest0-21swapper/222:20:032
98756799220,20cyclictest1260396-21apt-get23:35:142
98756799220,20cyclictest0-21swapper/200:15:112
987565992219,1cyclictest1095853-21apt-get20:55:121
987565992218,2cyclictest0-21swapper/119:25:131
987565992216,5cyclictest1265197-21cron23:40:001
98756599221,2cyclictest1229876-21apt-get23:05:121
98756599221,20cyclictest1111539-21apt-get21:10:121
98756599221,1cyclictest0-21swapper/123:00:091
98756599220,4cyclictest1161906-21taskset21:55:201
98756599220,21cyclictest1053671-21ntpq20:10:221
98756599220,1cyclictest0-21swapper/119:15:051
98756599220,19cyclictest0-21swapper/122:35:111
98756599220,19cyclictest0-21swapper/122:15:121
98756599220,18cyclictest0-21swapper/123:20:111
987560992219,2cyclictest1265464-21apt-get23:40:120
987560992219,2cyclictest1250253-21apt-get23:25:140
987560992219,2cyclictest1085385-21apt-config20:45:000
987560992219,2cyclictest0-21swapper/022:40:120
987560992219,2cyclictest0-21swapper/019:35:100
987560992217,3cyclictest1060417-21sed20:20:190
98756099221,20cyclictest0-21swapper/022:55:170
98756099221,20cyclictest0-21swapper/021:45:110
98756099220,4cyclictest1002869-21apt-key19:25:000
98756099220,3cyclictest1137885-21/usr/sbin/munin21:35:170
98756099220,2cyclictest0-21swapper/019:45:120
98756099220,21cyclictest64-21kcompactd022:46:540
98756099220,21cyclictest1-21systemd21:00:000
98756099220,21cyclictest0-21swapper/020:19:360
98756099220,21cyclictest0-21swapper/000:14:000
98756099220,20cyclictest1023813-21latency_hist19:45:010
98756099220,20cyclictest0-21swapper/021:10:110
98756099220,20cyclictest0-21swapper/019:25:130
987570992119,1cyclictest0-21swapper/323:00:103
987570992119,1cyclictest0-21swapper/320:20:143
987570992118,2cyclictest992631-21systemd-run19:15:003
987570992118,2cyclictest0-21swapper/321:01:333
98757099210,2cyclictest64-21kcompactd021:05:503
98757099210,2cyclictest1199585-21/usr/sbin/munin22:35:133
98757099210,2cyclictest1127578-21apt-get21:25:143
98757099210,20cyclictest64-21kcompactd000:23:083
98757099210,1cyclictest0-21swapper/319:45:113
987567992119,1cyclictest0-21swapper/221:21:262
987567992119,1cyclictest0-21swapper/200:05:122
987567992118,2cyclictest64-21kcompactd000:11:512
987567992118,2cyclictest0-21swapper/221:25:132
987567992118,2cyclictest0-21swapper/220:15:122
98756799211,1cyclictest0-21swapper/220:36:162
98756799210,20cyclictest0-21swapper/223:30:262
98756799210,20cyclictest0-21swapper/223:02:292
98756799210,20cyclictest0-21swapper/222:30:112
987565992119,1cyclictest0-21swapper/120:45:571
987565992118,2cyclictest1317201-21ps00:30:181
987565992118,2cyclictest1294798-21ntpq00:05:211
987565992117,2cyclictest1-21systemd20:40:001
98756599211,1cyclictest1054841-21apt-get20:15:121
98756599210,2cyclictest1326621-21munin-run00:40:011
98756599210,1cyclictest0-21swapper/121:15:121
987560992119,1cyclictest0-21swapper/022:30:140
987560992119,1cyclictest0-21swapper/022:05:120
987560992119,1cyclictest0-21swapper/021:40:120
987560992117,2cyclictest0-21swapper/000:05:120
98756099211,20cyclictest0-21swapper/023:35:230
98756099211,1cyclictest0-21swapper/021:50:130
98756099210,2cyclictest64-21kcompactd019:15:050
98756099210,2cyclictest0-21swapper/022:15:120
98756099210,20cyclictest991959-21find19:10:240
98756099210,20cyclictest0-21swapper/023:15:120
98756099210,20cyclictest0-21swapper/021:15:120
98756099210,20cyclictest0-21swapper/020:45:570
98756099210,1cyclictest0-21swapper/000:30:140
987570992018,1cyclictest64-21kcompactd020:34:083
987570992018,1cyclictest0-21swapper/323:15:183
987570992018,1cyclictest0-21swapper/321:45:063
987570992018,1cyclictest0-21swapper/321:35:153
987570992017,2cyclictest0-21swapper/323:49:493
987570992016,3cyclictest2102690-21kworker/u8:1+flush-259:019:20:003
98757099200,1cyclictest64-21kcompactd020:18:333
98757099200,1cyclictest0-21swapper/323:55:123
98757099200,1cyclictest0-21swapper/323:20:473
98757099200,1cyclictest0-21swapper/323:05:443
98757099200,1cyclictest0-21swapper/321:15:133
98757099200,1cyclictest0-21swapper/319:30:123
98757099200,19cyclictest0-21swapper/323:30:123
98757099200,19cyclictest0-21swapper/321:13:543
98757099200,19cyclictest0-21swapper/319:24:463
987567992017,2cyclictest1162740-21cron22:00:002
987567992016,3cyclictest1064711-21idleruntime-cro20:25:002
98756799200,1cyclictest0-21swapper/219:15:232
987565992018,1cyclictest64-21kcompactd022:30:141
987565992018,1cyclictest64-21kcompactd021:31:381
987565992018,1cyclictest64-21kcompactd019:51:071
987565992018,1cyclictest0-21swapper/123:40:081
987565992018,1cyclictest0-21swapper/121:00:161
987565992018,1cyclictest0-21swapper/119:30:131
987565992017,2cyclictest1168508-21apt-get22:05:121
98756599200,1cyclictest64-21kcompactd019:42:301
98756599200,1cyclictest1285585-21awk00:00:001
98756599200,1cyclictest0-21swapper/123:45:111
98756599200,1cyclictest0-21swapper/120:40:121
98756599200,19cyclictest0-21swapper/123:50:211
98756599200,19cyclictest0-21swapper/122:21:071
987560992018,1cyclictest0-21swapper/020:40:010
98756099200,1cyclictest0-21swapper/023:10:120
98756099200,19cyclictest0-21swapper/022:10:120
98756099200,19cyclictest0-21swapper/020:26:030
98756099200,19cyclictest0-21swapper/019:57:340
987570991918,1cyclictest0-21swapper/322:59:163
987570991918,1cyclictest0-21swapper/322:13:023
987570991918,1cyclictest0-21swapper/321:51:333
987570991917,1cyclictest0-21swapper/323:50:163
987570991917,1cyclictest0-21swapper/323:44:253
987570991917,1cyclictest0-21swapper/320:50:113
987570991917,1cyclictest0-21swapper/320:35:113
987570991917,1cyclictest0-21swapper/320:00:133
987567991916,2cyclictest0-21swapper/221:35:152
987567991910,4cyclictest0-21swapper/221:50:192
98756799190,19cyclictest0-21swapper/219:30:192
987565991918,1cyclictest64-21kcompactd023:17:321
987565991918,1cyclictest64-21kcompactd019:57:341
987565991917,1cyclictest0-21swapper/123:25:141
987565991917,1cyclictest0-21swapper/122:00:141
987565991915,2cyclictest1301533-21irqcore00:15:151
987565991914,3cyclictest1142861-21cpuspeed_turbos21:40:131
987565991913,4cyclictest1306109-21taskset00:20:111
987560991917,1cyclictest1100950-21apt-get21:00:150
987560991917,1cyclictest0-21swapper/023:55:110
987560991917,1cyclictest0-21swapper/021:25:020
987560991917,1cyclictest0-21swapper/000:36:030
987560991914,4cyclictest1230361-21ps23:05:170
987570991816,1cyclictest0-21swapper/322:50:123
987570991816,1cyclictest0-21swapper/322:20:213
987570991815,2cyclictest1064966-21chrt20:25:143
987570991815,1cyclictest0-21swapper/322:25:103
98756799188,2cyclictest0-21swapper/220:05:012
987567991814,2cyclictest0-21swapper/221:00:152
987565991816,1cyclictest0-21swapper/122:10:211
987565991814,1cyclictest0-21swapper/121:25:021
987560991816,1cyclictest0-21swapper/020:03:280
987560991816,1cyclictest0-21swapper/019:50:120
987560991816,1cyclictest0-21swapper/000:25:120
987570991715,1cyclictest0-21swapper/323:35:133
987567991713,1cyclictest191rcu_preempt20:55:212
987565991714,2cyclictest0-21swapper/100:25:121
987560991714,2cyclictest1214644-21apt-get22:50:120
987565991614,1cyclictest0-21swapper/120:03:281
987560991613,2cyclictest1053605-21needreboot20:10:210
987570991513,1cyclictest64-21kcompactd019:44:073
987567991513,1cyclictest1321784-21apt-get00:35:122
98756799148,1cyclictest191rcu_preempt19:10:012
987560991411,2cyclictest1305413-21unixbench_singl00:15:240
987565991311,1cyclictest0-21swapper/122:50:121
98757099129,2cyclictest491ktimers/322:40:193
98757099129,2cyclictest0-21swapper/322:00:193
98757099129,2cyclictest0-21swapper/321:35:013
987570991211,1cyclictest0-21swapper/320:47:343
987570991210,1cyclictest1162993-21latency_hist22:00:003
987570991210,1cyclictest0-21swapper/300:18:183
98756599128,3cyclictest311ktimers/100:10:101
987565991210,1cyclictest0-21swapper/120:25:131
98757099100,3cyclictest987700-21cat19:10:013
9875609990,8cyclictest987484-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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