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2026-07-10 - 19:13
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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 Jul 10, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136662214148,52sleep00-21swapper/007:07:000
137962209157,25sleep30-21swapper/307:08:403
137802200163,25sleep20-21swapper/207:08:272
136572196159,24sleep10-21swapper/107:06:531
237112720,1sleep023716-21gltestperf08:35:150
303742580,0sleep00-21swapper/008:50:130
172742340,0sleep36841-21diskmemload10:50:153
104502220,0sleep00-21swapper/009:15:010
112652190,0sleep10-21swapper/109:58:421
14011991313,0cyclictest35-21ksoftirqd/309:25:203
1399299132,5cyclictest22005-21latency_hist09:30:010
14011991210,1cyclictest35-21ksoftirqd/311:29:593
1401199120,9cyclictest240-21systemd-journal11:58:013
1399299120,6cyclictest0-21swapper/007:10:110
170322110,0sleep10-21swapper/109:22:091
1401199119,1cyclictest35-21ksoftirqd/312:15:003
1401199119,1cyclictest35-21ksoftirqd/310:45:183
14011991111,0cyclictest35-21ksoftirqd/311:45:123
14011991110,1cyclictest35-21ksoftirqd/310:10:123
14011991110,1cyclictest35-21ksoftirqd/309:20:113
1399299119,1cyclictest9-21ksoftirqd/007:30:000
1399299112,4cyclictest4504-21perf09:05:000
1399299111,5cyclictest3689-21perf07:55:000
323572100,0sleep20-21swapper/209:42:262
1401199109,1cyclictest35-21ksoftirqd/312:27:243
1401199109,1cyclictest35-21ksoftirqd/312:10:003
1401199109,1cyclictest35-21ksoftirqd/311:20:203
1401199109,1cyclictest35-21ksoftirqd/311:10:183
1401199109,1cyclictest35-21ksoftirqd/309:20:003
1401199109,1cyclictest35-21ksoftirqd/308:30:183
1401199109,1cyclictest16538-21kworker/3:010:16:063
1401199109,0cyclictest35-21ksoftirqd/309:30:193
14011991010,0cyclictest35-21ksoftirqd/311:51:553
14011991010,0cyclictest35-21ksoftirqd/311:40:163
14011991010,0cyclictest35-21ksoftirqd/311:15:153
14011991010,0cyclictest35-21ksoftirqd/308:25:003
1401199100,7cyclictest6841-21diskmemload10:20:213
1399399100,9cyclictest0-21swapper/107:20:141
1399299109,1cyclictest9-21ksoftirqd/010:10:010
13992991010,0cyclictest9-21ksoftirqd/010:01:260
1399299100,5cyclictest26472-21cat07:35:000
140119999,0cyclictest35-21ksoftirqd/312:35:103
140119998,1cyclictest35-21ksoftirqd/312:20:133
140119998,1cyclictest35-21ksoftirqd/310:55:153
140119998,1cyclictest35-21ksoftirqd/310:00:123
140119998,1cyclictest35-21ksoftirqd/309:50:123
140119997,1cyclictest35-21ksoftirqd/309:40:003
140029990,5cyclictest240-21systemd-journal11:59:472
139929990,4cyclictest16217-21wc10:50:010
12793290,1sleep10-21swapper/111:28:311
24475280,0sleep30-21swapper/307:30:143
140119988,0cyclictest35-21ksoftirqd/312:00:183
140119988,0cyclictest35-21ksoftirqd/310:35:113
140119988,0cyclictest35-21ksoftirqd/310:28:443
140119987,1cyclictest35-21ksoftirqd/312:30:133
140119987,1cyclictest35-21ksoftirqd/311:30:113
140119987,1cyclictest35-21ksoftirqd/310:44:593
140119987,1cyclictest35-21ksoftirqd/310:30:123
140119987,1cyclictest35-21ksoftirqd/310:00:013
140119986,1cyclictest35-21ksoftirqd/312:15:143
140119986,1cyclictest35-21ksoftirqd/311:01:373
140119986,1cyclictest35-21ksoftirqd/307:25:193
140119986,1cyclictest35-21ksoftirqd/307:10:143
140119984,2cyclictest6841-21diskmemload11:05:453
140119980,7cyclictest29755-21diskstats07:40:143
140119980,7cyclictest24586-21kworker/u8:110:09:253
140029986,1cyclictest61650irq/122-eno112:36:382
140029986,1cyclictest61650irq/122-eno112:05:122
140029986,1cyclictest61650irq/122-eno111:21:132
140029986,1cyclictest61650irq/122-eno109:36:452
140029986,1cyclictest61650irq/122-eno108:40:002
140029986,1cyclictest61650irq/122-eno107:50:122
140029986,1cyclictest61650irq/122-eno107:45:192
140029986,1cyclictest28-21ksoftirqd/210:06:022
140029983,4cyclictest10380-21apt-get12:10:102
140029980,5cyclictest0-21swapper/210:40:192
140029980,5cyclictest0-21swapper/209:55:042
139939980,5cyclictest0-21swapper/110:35:181
139929984,2cyclictest240-21systemd-journal09:00:000
139929980,7cyclictest6915-21cut11:20:140
139929980,7cyclictest31831-21cpuspeed_turbos07:45:150
139929980,7cyclictest28537-21awk11:05:140
139929980,7cyclictest27912-21munin-run11:50:000
139929980,4cyclictest21131-21latency_hist12:24:590
943270,0sleep20-21swapper/211:11:212
32437270,0sleep30-21swapper/308:55:133
140119977,0cyclictest35-21ksoftirqd/308:40:183
140119976,1cyclictest35-21ksoftirqd/309:45:173
140119976,1cyclictest35-21ksoftirqd/309:05:163
140119976,1cyclictest35-21ksoftirqd/307:15:143
140119975,1cyclictest35-21ksoftirqd/308:05:213
140119975,1cyclictest35-21ksoftirqd/308:00:203
140119975,1cyclictest35-21ksoftirqd/307:35:173
140119972,4cyclictest0-21swapper/309:40:113
140029976,1cyclictest61650irq/122-eno112:31:282
140029976,1cyclictest61650irq/122-eno112:25:142
140029976,1cyclictest61650irq/122-eno112:04:342
140029976,1cyclictest61650irq/122-eno111:41:332
140029976,1cyclictest61650irq/122-eno111:39:242
140029976,1cyclictest61650irq/122-eno111:29:262
140029976,1cyclictest61650irq/122-eno111:15:202
140029976,1cyclictest61650irq/122-eno110:13:312
140029976,1cyclictest61650irq/122-eno109:23:432
140029976,1cyclictest20497-21cat07:20:162
140029976,1cyclictest0-21swapper/209:48:072
140029976,1cyclictest0-21swapper/207:25:192
140029976,0cyclictest61650irq/122-eno111:05:122
140029975,1cyclictest61650irq/122-eno109:30:102
140029975,1cyclictest61650irq/122-eno109:25:172
140029975,1cyclictest61650irq/122-eno108:00:182
140029975,1cyclictest2831-21ntpq10:30:172
140029975,1cyclictest28-21ksoftirqd/208:50:002
140029975,1cyclictest28-21ksoftirqd/208:25:142
140029975,1cyclictest25560-21ssh11:00:212
140029975,1cyclictest14508-21ssh11:30:142
140029974,1cyclictest240-21systemd-journal10:49:592
140029973,3cyclictest0-21swapper/208:40:222
140029972,2cyclictest19354-21munin-run07:19:592
140029971,5cyclictest0-21swapper/209:15:202
140029970,2cyclictest0-21swapper/210:35:102
140029970,2cyclictest0-21swapper/209:10:222
140029970,1cyclictest21501-21awk10:55:222
139939971,4cyclictest0-21swapper/109:25:211
139939970,7cyclictest0-21swapper/112:25:281
139939970,7cyclictest0-21swapper/110:18:011
139939970,4cyclictest0-21swapper/110:10:151
139929976,1cyclictest30051-21ssh11:50:340
139929976,1cyclictest20496-21cat07:20:160
139929976,1cyclictest16362-1kworker/u9:209:24:260
139929976,1cyclictest15684-21ssh11:31:150
139929975,1cyclictest632-21ssh09:44:350
139929975,1cyclictest10992-21ssh10:40:570
139929975,1cyclictest10533-21tune2fs11:25:130
139929971,6cyclictest24478-21ssh12:29:210
139929971,3cyclictest0-21swapper/007:15:210
139929971,1cyclictest0-21swapper/009:16:380
139929970,7cyclictest0-21swapper/007:43:430
139929970,6cyclictest6736-21apt-get12:05:110
139929970,6cyclictest3544-21ssh10:30:340
139929970,6cyclictest31258-21apt-get11:10:120
139929970,6cyclictest29133-21df_inode12:35:120
139929970,6cyclictest26031-21ssh09:35:030
139929970,6cyclictest23764-21dpkg11:00:090
139929970,6cyclictest20513-21awk10:10:180
139929970,6cyclictest19368-21apt-get11:36:240
139929970,6cyclictest15701-1kworker/u9:010:50:140
139929970,6cyclictest0-21swapper/010:20:010
139929970,6cyclictest0-21swapper/009:45:150
139929970,6cyclictest0-21swapper/008:40:210
139929970,3cyclictest240-21systemd-journal11:40:000
139929970,1cyclictest6841-21diskmemload11:55:110
139929970,1cyclictest6841-21diskmemload10:29:590
139929970,1cyclictest6841-21diskmemload09:57:580
139929970,1cyclictest16108-21ssh12:16:160
139929970,1cyclictest11425-21missed_timers12:10:160
139929970,1cyclictest0-21swapper/010:35:100
140119966,0cyclictest35-21ksoftirqd/308:35:113
140119966,0cyclictest35-21ksoftirqd/307:45:213
140119966,0cyclictest35-21ksoftirqd/307:20:133
140119965,1cyclictest4772-21cat07:55:163
140119965,1cyclictest35-21ksoftirqd/308:45:143
140119965,1cyclictest35-21ksoftirqd/308:25:173
140119965,1cyclictest35-21ksoftirqd/307:50:163
140119964,1cyclictest35-21ksoftirqd/309:10:153
140119964,1cyclictest3485-21ntpq09:00:193
140119962,2cyclictest240-21systemd-journal08:52:413
140119962,1cyclictest17467-21expr11:35:123
140029966,0cyclictest61650irq/122-eno112:15:112
140029966,0cyclictest61650irq/122-eno111:50:012
140029966,0cyclictest61650irq/122-eno111:45:132
140029966,0cyclictest61650irq/122-eno110:00:162
140029966,0cyclictest61650irq/122-eno109:51:192
140029966,0cyclictest61650irq/122-eno108:53:512
140029966,0cyclictest61650irq/122-eno108:20:132
140029966,0cyclictest61650irq/122-eno108:08:532
140029966,0cyclictest61650irq/122-eno107:40:182
140029966,0cyclictest61650irq/122-eno107:38:282
140029965,1cyclictest61650irq/122-eno110:51:162
140029965,1cyclictest61650irq/122-eno110:25:172
140029965,1cyclictest61650irq/122-eno110:21:142
140029965,1cyclictest25744-21ssh10:18:252
140029964,1cyclictest61650irq/122-eno107:10:172
140029964,1cyclictest18259-21fschecks_count12:20:132
140029964,1cyclictest11257-21tr08:10:162
140029962,2cyclictest240-21systemd-journal08:19:592
140029962,0cyclictest32404-21apt-get08:55:132
140029961,1cyclictest0-21swapper/209:05:172
139939966,0cyclictest0-21swapper/109:38:031
139939961,1cyclictest0-21swapper/110:46:381
139939960,6cyclictest0-21swapper/112:13:591
139939960,6cyclictest0-21swapper/112:09:451
139939960,6cyclictest0-21swapper/111:45:421
139939960,6cyclictest0-21swapper/111:00:541
139939960,6cyclictest0-21swapper/108:46:341
139939960,6cyclictest0-21swapper/108:20:171
139939960,6cyclictest0-21swapper/108:12:581
139939960,6cyclictest0-21swapper/107:50:341
139939960,4cyclictest0-21swapper/110:42:271
139939960,4cyclictest0-21swapper/109:18:261
139939960,3cyclictest0-21swapper/108:35:001
139939960,2cyclictest0-21swapper/112:00:101
139939960,1cyclictest0-21swapper/111:55:111
139939960,1cyclictest0-21swapper/110:52:591
139929965,1cyclictest7383-21ntpq08:00:170
139929965,1cyclictest693-21runrttasks09:30:380
139929965,1cyclictest24724-21ssh10:15:230
139929965,1cyclictest20936-21hddtemp_smartct10:55:170
139929964,1cyclictest28602-21irqstats08:45:170
139929963,1cyclictest240-21systemd-journal08:19:590
139929962,4cyclictest3406-21ssh12:00:110
139929960,6cyclictest26887-21ssh12:30:410
139929960,6cyclictest0-21swapper/008:31:500
139929960,6cyclictest0-21swapper/008:27:310
139929960,5cyclictest6841-21diskmemload11:15:010
139929960,5cyclictest0-21swapper/009:05:110
139929960,0cyclictest6841-21diskmemload09:50:150
140119954,1cyclictest35-21ksoftirqd/308:10:153
140119950,4cyclictest35-21ksoftirqd/308:15:123
140029951,3cyclictest0-21swapper/209:00:122
140029950,5cyclictest0-21swapper/207:31:112
140029950,1cyclictest0-21swapper/208:30:132
140029950,1cyclictest0-21swapper/207:55:222
139939953,1cyclictest0-21swapper/107:30:131
139939952,3cyclictest0-21swapper/111:15:211
139939952,1cyclictest0-21swapper/109:45:561
139939951,4cyclictest0-21swapper/109:50:121
139939951,2cyclictest30888-21chrt09:40:161
139939950,5cyclictest0-21swapper/112:19:161
139939950,5cyclictest0-21swapper/111:12:061
139939950,4cyclictest0-21swapper/110:20:361
139939950,3cyclictest0-21swapper/111:41:491
139939950,3cyclictest0-21swapper/111:35:171
139939950,3cyclictest0-21swapper/111:33:211
139939950,3cyclictest0-21swapper/111:20:141
139939950,3cyclictest0-21swapper/110:55:591
139939950,3cyclictest0-21swapper/110:32:231
139939950,3cyclictest0-21swapper/110:25:151
139939950,3cyclictest0-21swapper/110:03:231
139939950,3cyclictest0-21swapper/109:30:131
139939950,3cyclictest0-21swapper/107:10:111
139939950,2cyclictest0-21swapper/112:30:141
139939950,2cyclictest0-21swapper/112:21:511
139939950,2cyclictest0-21swapper/109:11:231
139939950,2cyclictest0-21swapper/108:50:121
139939950,2cyclictest0-21swapper/107:25:151
139939950,1cyclictest0-21swapper/111:05:151
139939950,1cyclictest0-21swapper/110:05:111
139939950,1cyclictest0-21swapper/108:15:121
139929952,2cyclictest16707-21cut08:20:160
139929950,5cyclictest0-21swapper/008:06:430
139929950,5cyclictest0-21swapper/007:57:340
139929950,5cyclictest0-21swapper/007:35:090
139929950,0cyclictest0-21swapper/008:10:130
139939944,0cyclictest0-21swapper/108:25:141
139939941,1cyclictest0-21swapper/108:05:121
139939940,4cyclictest0-21swapper/109:06:591
139939940,4cyclictest0-21swapper/108:40:011
139939940,4cyclictest0-21swapper/107:35:451
139939940,3cyclictest0-21swapper/109:00:181
139939940,2cyclictest0-21swapper/111:50:061
139939940,1cyclictest0-21swapper/112:39:331
139939940,0cyclictest0-21swapper/108:40:211
139939940,0cyclictest0-21swapper/108:00:201
139939931,2cyclictest0-21swapper/108:55:121
139939931,1cyclictest0-21swapper/107:45:131
139939930,3cyclictest0-21swapper/107:40:201
139939930,3cyclictest0-21swapper/107:15:011
139939930,1cyclictest0-21swapper/107:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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