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2026-05-15 - 03:09
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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 rack1slot1.osadl.org (updated Fri May 15, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76772212149,21sleep30-21swapper/319:07:563
76422206157,23sleep00-21swapper/019:07:290
77622204132,26sleep10-21swapper/119:09:031
76692200160,27sleep20-21swapper/219:07:522
244432650,0sleep00-21swapper/021:40:000
313362580,0sleep30-21swapper/321:48:523
7946991615,1cyclictest28-21ksoftirqd/223:00:132
74182130,0sleep20-21swapper/220:15:122
262882130,0sleep10-21swapper/122:25:111
150862130,0sleep10-21swapper/121:26:231
7946991211,1cyclictest28-21ksoftirqd/223:35:002
7946991210,1cyclictest28-21ksoftirqd/222:40:112
7946991210,1cyclictest28-21ksoftirqd/220:35:012
7946991210,1cyclictest28-21ksoftirqd/220:30:012
7946991210,1cyclictest28-21ksoftirqd/219:15:002
7929991210,1cyclictest9-21ksoftirqd/023:29:590
7946991111,0cyclictest28-21ksoftirqd/200:39:062
794699110,1cyclictest1197-21cstates21:10:142
795299100,6cyclictest28560-21apt-get21:00:123
794699109,1cyclictest28-21ksoftirqd/223:16:252
794699109,1cyclictest28-21ksoftirqd/222:50:172
794699109,1cyclictest28-21ksoftirqd/222:10:122
794699109,1cyclictest28-21ksoftirqd/221:46:262
794699108,1cyclictest28-21ksoftirqd/222:55:192
794699108,1cyclictest28-21ksoftirqd/222:55:192
794699108,1cyclictest28-21ksoftirqd/221:05:102
7946991010,0cyclictest28-21ksoftirqd/222:02:122
792999109,1cyclictest9-21ksoftirqd/020:20:000
792999100,5cyclictest21224-21awk23:00:190
79529997,1cyclictest22253-21apt-get22:20:103
79469999,0cyclictest28-21ksoftirqd/223:20:152
79469998,1cyclictest28-21ksoftirqd/223:06:492
79469998,1cyclictest28-21ksoftirqd/221:22:522
79469998,1cyclictest28-21ksoftirqd/220:40:132
79469998,1cyclictest28-21ksoftirqd/200:15:112
79469997,1cyclictest28-21ksoftirqd/223:45:202
79469997,1cyclictest28-21ksoftirqd/223:35:122
79469997,1cyclictest28-21ksoftirqd/222:30:182
79469997,1cyclictest28-21ksoftirqd/220:45:132
79469997,1cyclictest28-21ksoftirqd/219:35:002
79469997,1cyclictest28-21ksoftirqd/200:10:152
79469994,4cyclictest28-21ksoftirqd/200:00:012
79469990,3cyclictest603-21diskmemload21:25:132
79299997,1cyclictest583-21in:imuxsock19:19:140
79299990,1cyclictest240-21systemd-journal00:35:220
79529986,1cyclictest15489-21cat22:10:163
79529984,2cyclictest240-21systemd-journal22:20:003
79529981,4cyclictest0-21swapper/300:08:063
79529980,6cyclictest29439-21kworker/u8:000:27:073
79529980,5cyclictest603-21diskmemload22:07:433
79529980,5cyclictest603-21diskmemload22:07:433
79529980,5cyclictest20518-21runrttasks23:42:473
79529980,5cyclictest0-21swapper/321:55:113
79529980,4cyclictest0-21swapper/322:45:063
79529980,4cyclictest0-21swapper/322:38:563
79529980,3cyclictest0-21swapper/323:30:113
79529980,3cyclictest0-21swapper/320:30:103
79469988,0cyclictest9684-21apt-get20:20:102
79469988,0cyclictest28-21ksoftirqd/223:51:162
79469988,0cyclictest28-21ksoftirqd/220:05:202
79469988,0cyclictest28-21ksoftirqd/200:32:012
79469987,1cyclictest28-21ksoftirqd/223:25:142
79469987,1cyclictest28-21ksoftirqd/222:36:472
79469987,1cyclictest28-21ksoftirqd/222:20:412
79469987,1cyclictest28-21ksoftirqd/222:09:032
79469987,1cyclictest28-21ksoftirqd/222:09:032
79469987,1cyclictest28-21ksoftirqd/221:30:202
79469987,1cyclictest28-21ksoftirqd/221:18:022
79469987,1cyclictest28-21ksoftirqd/220:15:002
79469987,1cyclictest28-21ksoftirqd/219:50:142
79469987,1cyclictest28-21ksoftirqd/200:25:112
79469986,1cyclictest28-21ksoftirqd/223:10:012
79469986,1cyclictest28-21ksoftirqd/221:52:022
79469986,1cyclictest28-21ksoftirqd/221:40:092
79469986,1cyclictest28-21ksoftirqd/200:00:122
79469984,1cyclictest25988-21apt-get22:25:082
79469983,2cyclictest240-21systemd-journal19:15:002
79299982,1cyclictest15330-21ssh21:26:580
79299981,6cyclictest7806-21latency_hist00:10:000
79299981,6cyclictest0-21swapper/021:20:120
79299980,7cyclictest32765-21basename00:00:010
79299980,7cyclictest26801-21pmu-power23:50:190
79299980,7cyclictest19456-21ssh22:59:210
79299980,7cyclictest19456-21ssh22:59:200
79299980,7cyclictest14567-21ssh22:10:080
79299980,4cyclictest805-21date22:34:590
79299980,2cyclictest0-21swapper/021:00:120
79299980,1cyclictest603-21diskmemload22:35:170
79299980,1cyclictest20693-21ssh22:17:030
9592270,0sleep10-21swapper/123:29:111
79529975,1cyclictest15929-21ssh23:35:253
79529974,1cyclictest35-21ksoftirqd/319:54:453
79529973,3cyclictest7916-21cyclictest00:15:213
79529973,2cyclictest240-21systemd-journal22:30:003
79529973,2cyclictest240-21systemd-journal20:28:463
79529972,3cyclictest603-21diskmemload22:00:113
79529971,5cyclictest11169-21apt-get19:15:113
79529971,3cyclictest603-21diskmemload00:37:163
79529970,6cyclictest603-21diskmemload23:52:213
79529970,5cyclictest0-21swapper/323:46:073
79529970,4cyclictest0-21swapper/323:10:373
79529970,1cyclictest240-21systemd-journal20:39:303
79469977,0cyclictest28-21ksoftirqd/200:09:492
79469976,1cyclictest61650irq/122-eno121:35:152
79469976,1cyclictest28-21ksoftirqd/223:40:202
79469976,1cyclictest28-21ksoftirqd/222:46:192
79469976,1cyclictest28-21ksoftirqd/222:15:172
79469976,1cyclictest28-21ksoftirqd/221:56:352
79469976,1cyclictest28-21ksoftirqd/219:40:132
79469976,1cyclictest28-21ksoftirqd/200:23:522
79469976,1cyclictest23424-21kworker/2:019:45:132
79469975,1cyclictest61650irq/122-eno120:55:152
79389971,2cyclictest0-21swapper/122:10:091
79389970,1cyclictest0-21swapper/120:20:101
79389970,1cyclictest0-21swapper/100:36:551
79299976,1cyclictest9-21ksoftirqd/000:35:000
79299976,1cyclictest603-21diskmemload00:00:070
79299975,1cyclictest9-21ksoftirqd/019:35:010
79299975,1cyclictest32695-21telnet20:00:110
79299975,1cyclictest30336-21ssh23:12:490
79299971,6cyclictest11725-1kworker/u9:022:51:340
79299970,7cyclictest9793-21ssh22:02:500
79299970,7cyclictest27523-21ssh21:43:380
79299970,7cyclictest24544-21ssh22:21:450
79299970,7cyclictest0-21swapper/019:55:130
79299970,6cyclictest5896-21irqstats21:15:190
79299970,6cyclictest5204-21ssh21:55:300
79299970,6cyclictest25678-21ssh23:05:480
79299970,6cyclictest20274-21ssh23:42:040
79299970,6cyclictest16794-21ssh00:20:180
79299970,6cyclictest13769-21users20:25:180
79299970,6cyclictest12003-21aten2.4-expect00:15:120
79299970,6cyclictest0-21swapper/023:45:160
79299970,6cyclictest0-21swapper/023:15:140
79299970,6cyclictest0-21swapper/022:25:090
79299970,6cyclictest0-21swapper/022:05:200
79299970,6cyclictest0-21swapper/022:05:200
79299970,6cyclictest0-21swapper/021:30:130
79299970,6cyclictest0-21swapper/021:10:140
79299970,6cyclictest0-21swapper/020:23:060
79299970,6cyclictest0-21swapper/000:25:150
79299970,6cyclictest0-21swapper/000:10:180
79299970,5cyclictest2692-21ssh23:20:060
79299970,5cyclictest12208-21ssh23:30:270
79299970,1cyclictest8760-21/usr/sbin/munin22:45:150
79299970,1cyclictest5855-21kernelversion20:10:140
79299970,1cyclictest30248-21ssh21:45:470
79299970,1cyclictest2879-21ssh21:54:290
79299970,1cyclictest16816-21chrt23:37:550
79299970,1cyclictest14455-21uname19:20:150
79299970,1cyclictest0-21swapper/020:45:180
8239260,1sleep30-21swapper/321:19:053
79529965,1cyclictest5005-21ssh22:40:103
79529965,1cyclictest31870-21ssh23:57:333
79529965,1cyclictest31180-21cat19:55:153
79529965,1cyclictest26590-21ssh21:41:003
79529965,1cyclictest22372-21ssh21:35:223
79529965,1cyclictest1453-21ssh21:50:303
79529965,1cyclictest1142-21irqstats20:00:153
79529964,1cyclictest603-21diskmemload23:18:383
79529963,1cyclictest548-21systemd-logind23:20:203
79529962,2cyclictest603-21diskmemload21:24:273
79529962,2cyclictest240-21systemd-journal20:46:163
79529962,2cyclictest23732-21apt23:05:113
79529961,4cyclictest9824-21aten_r1power_vo20:20:113
79529961,4cyclictest20014-21apt-get23:00:123
79529961,3cyclictest7798-21runrttasks20:15:133
79529961,3cyclictest0-21swapper/321:10:193
79529960,4cyclictest603-21diskmemload22:55:253
79529960,4cyclictest603-21diskmemload22:55:253
79529960,3cyclictest0-21swapper/300:30:133
79529960,3cyclictest0-21swapper/300:20:503
79529960,2cyclictest0-21swapper/322:50:113
79529960,2cyclictest0-21swapper/322:30:043
79529960,2cyclictest0-21swapper/321:26:453
79529960,1cyclictest603-21diskmemload21:31:163
79529960,0cyclictest0-21swapper/319:30:143
79469966,0cyclictest61650irq/122-eno120:53:282
79469966,0cyclictest61650irq/122-eno120:36:062
79469965,1cyclictest28-21ksoftirqd/221:00:212
79469965,1cyclictest28-21ksoftirqd/219:20:132
79469965,1cyclictest23424-21kworker/2:019:25:132
79469964,1cyclictest28-21ksoftirqd/219:40:002
79389961,3cyclictest0-21swapper/122:36:491
79389961,2cyclictest0-21swapper/100:31:351
79389960,5cyclictest0-21swapper/121:30:041
79389960,3cyclictest0-21swapper/123:12:051
79389960,3cyclictest0-21swapper/123:05:441
79389960,3cyclictest0-21swapper/122:21:351
79389960,2cyclictest0-21swapper/123:21:471
79389960,2cyclictest0-21swapper/121:10:121
79299963,2cyclictest27666-21awk20:55:200
79299962,1cyclictest240-21systemd-journal19:13:290
79299960,6cyclictest603-21diskmemload22:40:160
79299960,6cyclictest0-21swapper/019:40:200
79299960,6cyclictest0-21swapper/019:35:390
79299960,1cyclictest3600-21memory20:05:180
79299960,0cyclictest0-21swapper/021:05:110
79299960,0cyclictest0-21swapper/020:50:440
79299960,0cyclictest0-21swapper/020:35:150
79299960,0cyclictest0-21swapper/020:34:580
79299960,0cyclictest0-21swapper/019:51:050
79299960,0cyclictest0-21swapper/019:45:460
79529954,1cyclictest35-21ksoftirqd/319:26:323
79529954,1cyclictest24631-21sensors19:40:183
79529954,1cyclictest21897-21pmu-power19:35:183
79529953,1cyclictest44552sleep320:06:523
79529953,1cyclictest35-21ksoftirqd/319:10:533
79529953,1cyclictest27344-21seq19:45:343
79529953,0cyclictest603-21diskmemload00:10:593
79529952,3cyclictest6126-1kworker/u9:123:25:073
79529952,1cyclictest240-21systemd-journal21:08:023
79529952,1cyclictest0-21swapper/300:00:063
79529951,1cyclictest26186-21apt-get20:55:113
79529950,2cyclictest19233-21aten_r1power_po20:40:123
79529950,1cyclictest15674-21munin-run19:25:003
79469950,1cyclictest32662-21/usr/sbin/munin20:00:142
79389955,0cyclictest0-21swapper/121:51:071
79389954,1cyclictest0-21swapper/121:16:451
79389953,1cyclictest0-21swapper/122:06:131
79389953,1cyclictest0-21swapper/122:06:131
79389952,3cyclictest0-21swapper/122:50:171
79389951,2cyclictest0-21swapper/122:30:111
79389951,1cyclictest0-21swapper/120:52:521
79389950,5cyclictest0-21swapper/123:55:211
79389950,5cyclictest0-21swapper/119:55:001
79389950,5cyclictest0-21swapper/100:28:531
79389950,5cyclictest0-21swapper/100:00:301
79389950,4cyclictest0-21swapper/123:45:011
79389950,4cyclictest0-21swapper/120:15:141
79389950,4cyclictest0-21swapper/119:40:151
79389950,3cyclictest0-21swapper/123:40:181
79389950,3cyclictest0-21swapper/122:40:291
79389950,3cyclictest0-21swapper/121:24:261
79389950,2cyclictest0-21swapper/122:55:121
79389950,2cyclictest0-21swapper/122:55:121
79389950,2cyclictest0-21swapper/122:46:291
79389950,2cyclictest0-21swapper/122:16:291
79389950,2cyclictest0-21swapper/121:56:591
79389950,2cyclictest0-21swapper/121:43:011
79389950,2cyclictest0-21swapper/120:55:521
79389950,1cyclictest0-21swapper/120:30:111
79389950,1cyclictest0-21swapper/100:20:111
79389950,0cyclictest0-21swapper/123:53:311
79389950,0cyclictest0-21swapper/123:00:121
79389950,0cyclictest0-21swapper/122:01:101
79299953,1cyclictest16099-21aten2.4-expect19:25:120
79299950,0cyclictest0-21swapper/020:40:130
79529942,1cyclictest23986-21telnet20:50:123
79529941,1cyclictest4943-21/usr/sbin/munin20:10:213
79469944,0cyclictest61650irq/122-eno119:55:122
79389944,0cyclictest0-21swapper/119:46:441
79389944,0cyclictest0-21swapper/119:35:111
79389942,1cyclictest0-21swapper/120:25:091
79389942,1cyclictest0-21swapper/100:10:251
79389940,4cyclictest0-21swapper/121:00:121
79389940,4cyclictest0-21swapper/120:00:181
79389940,3cyclictest0-21swapper/123:38:491
79389940,3cyclictest0-21swapper/120:45:111
79389940,3cyclictest0-21swapper/120:05:221
79389940,3cyclictest0-21swapper/100:15:261
79389940,2cyclictest0-21swapper/123:15:211
79389940,2cyclictest0-21swapper/120:39:591
79389940,2cyclictest0-21swapper/119:10:161
79389940,1cyclictest0-21swapper/121:35:131
79389940,1cyclictest0-21swapper/120:40:111
79389940,1cyclictest0-21swapper/119:50:141
79389940,1cyclictest0-21swapper/100:05:181
79389940,0cyclictest0-21swapper/121:49:451
79389940,0cyclictest0-21swapper/121:06:081
10760240,0sleep10-21swapper/123:30:151
79389931,2cyclictest0-21swapper/119:25:091
79389930,3cyclictest0-21swapper/120:10:151
79389930,3cyclictest0-21swapper/119:20:101
79389930,3cyclictest0-21swapper/119:15:011
79389930,0cyclictest0-21swapper/119:30:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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