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2026-07-22 - 13:04
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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 Wed Jul 22, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303232212150,22sleep20-21swapper/219:06:342
305632207170,24sleep10-21swapper/119:09:431
303542201162,25sleep30-21swapper/319:06:583
302692200162,24sleep00-21swapper/019:05:510
127642720,0sleep012765-21cat23:55:210
18662590,0sleep10-21swapper/121:24:461
307522250,1sleep230758-21gltestperf22:50:142
24522220,1sleep023521-21diskmemload23:40:350
91762210,1sleep09173-21dump-pmu-power20:39:590
30666991816,1cyclictest9-21ksoftirqd/019:10:110
30666991312,1cyclictest9-21ksoftirqd/021:55:000
30666991210,1cyclictest9-21ksoftirqd/022:40:180
30666991210,1cyclictest9-21ksoftirqd/020:59:590
30666991210,1cyclictest9-21ksoftirqd/000:25:150
3066699120,12cyclictest0-21swapper/022:45:120
30686991110,1cyclictest35-21ksoftirqd/323:00:013
3066699119,1cyclictest9-21ksoftirqd/023:00:000
3066699119,1cyclictest9-21ksoftirqd/021:35:170
30666991110,1cyclictest9-21ksoftirqd/019:50:100
3067999109,1cyclictest28-21ksoftirqd/222:06:172
3066699109,1cyclictest9-21ksoftirqd/021:50:000
3066699109,1cyclictest9-21ksoftirqd/021:15:170
3066699109,1cyclictest9-21ksoftirqd/020:05:000
3066699108,1cyclictest9-21ksoftirqd/022:50:120
3066699108,1cyclictest9-21ksoftirqd/022:25:140
30666991010,0cyclictest101rcuc/022:15:010
306869998,1cyclictest35-21ksoftirqd/322:10:013
306869990,6cyclictest23521-21diskmemload00:25:163
306869990,5cyclictest0-21swapper/321:47:033
306799998,1cyclictest28-21ksoftirqd/223:45:002
306799990,5cyclictest6632-21vmstat23:00:242
306669999,0cyclictest9-21ksoftirqd/022:30:140
306669999,0cyclictest9-21ksoftirqd/022:00:140
306669998,1cyclictest9-21ksoftirqd/020:10:010
306669997,1cyclictest9-21ksoftirqd/021:15:000
306869982,3cyclictest23521-21diskmemload21:15:483
306869980,5cyclictest26009-21apt-get23:30:113
306869980,5cyclictest0-21swapper/323:27:013
306799986,1cyclictest61650irq/122-eno100:06:502
306799981,6cyclictest7292-21/usr/sbin/munin00:35:172
306799980,8cyclictest0-21swapper/200:21:302
306799980,7cyclictest0-21swapper/222:38:082
306799980,5cyclictest1877-21grep22:55:162
306769980,6cyclictest0-21swapper/120:50:131
306669987,1cyclictest9-21ksoftirqd/023:15:170
306669987,1cyclictest9-21ksoftirqd/000:30:110
306669986,1cyclictest9-21ksoftirqd/022:20:130
306669986,1cyclictest583-21in:imuxsock19:43:430
306669986,1cyclictest23521-21diskmemload22:15:540
306669980,7cyclictest31651-21ssh00:23:190
306869976,1cyclictest35-21ksoftirqd/319:39:593
306869976,1cyclictest14714-21sensors19:40:203
306869976,0cyclictest35-21ksoftirqd/319:50:003
306869975,1cyclictest7924-21cat20:35:143
306869975,1cyclictest617-21ssh22:54:273
306869975,1cyclictest3771-21ssh22:11:173
306869975,1cyclictest25194-21ssh22:41:553
306869973,1cyclictest23521-21diskmemload00:32:023
306869971,5cyclictest561-21nscd22:16:403
306869971,4cyclictest23521-21diskmemload21:20:433
306869971,4cyclictest0-21swapper/320:00:183
306869970,6cyclictest10548-21ntpq20:40:203
306869970,5cyclictest0-21swapper/321:40:153
306869970,5cyclictest0-21swapper/321:10:173
306869970,4cyclictest0-21swapper/323:15:323
306869970,3cyclictest23521-21diskmemload21:32:223
306869970,2cyclictest23521-21diskmemload22:35:173
306869970,2cyclictest0-21swapper/322:00:533
306799976,1cyclictest61650irq/122-eno123:05:122
306799976,1cyclictest61650irq/122-eno122:25:002
306799976,1cyclictest61650irq/122-eno121:50:112
306799976,1cyclictest61650irq/122-eno121:45:232
306799976,1cyclictest61650irq/122-eno100:25:162
306799976,1cyclictest61650irq/122-eno100:00:192
306799976,1cyclictest28-21ksoftirqd/219:50:102
306799976,1cyclictest28-21ksoftirqd/200:10:082
306799976,1cyclictest23828-21cat22:40:162
306799976,0cyclictest61650irq/122-eno123:50:202
306799976,0cyclictest0-21swapper/223:38:102
306799975,1cyclictest61650irq/122-eno123:20:122
306799975,1cyclictest61650irq/122-eno123:10:172
306799975,1cyclictest61650irq/122-eno121:35:172
306799975,1cyclictest28-21ksoftirqd/220:15:002
306799975,1cyclictest25322-21ssh21:55:212
306799975,1cyclictest12100-21ntpq19:35:182
306799973,3cyclictest29233-21cron23:35:002
306799973,2cyclictest0-21swapper/222:25:152
306769970,5cyclictest0-21swapper/119:45:171
306669977,0cyclictest9-21ksoftirqd/022:05:240
306669977,0cyclictest9-21ksoftirqd/000:06:340
306669976,1cyclictest18616-1kworker/u9:023:28:320
306669975,1cyclictest9-21ksoftirqd/021:30:180
306669975,1cyclictest3637-21munin-run19:20:010
306669974,2cyclictest583-21in:imuxsock20:00:000
306669974,0cyclictest23521-21diskmemload21:21:400
306669973,2cyclictest561-21nscd23:54:340
306669972,1cyclictest240-21systemd-journal00:35:010
306669972,1cyclictest23521-21diskmemload00:10:150
306669971,5cyclictest11899-21ssh23:10:130
306669970,6cyclictest4152-21ssh23:45:070
306669970,6cyclictest27452-21apt20:10:120
306669970,6cyclictest13783-21sh21:40:150
306669970,6cyclictest0-21swapper/021:25:120
306669970,6cyclictest0-21swapper/019:35:200
306669970,4cyclictest2121-21latency_hist20:25:000
306669970,3cyclictest4848-21apt-get23:00:130
306669970,3cyclictest0-21swapper/020:15:130
306669970,3cyclictest0-21swapper/020:15:120
306669970,1cyclictest9481-21cut23:05:170
306669970,1cyclictest32312-21ssh23:38:340
306669970,1cyclictest275782sleep000:16:380
306669970,1cyclictest0-21swapper/023:30:140
306669970,1cyclictest0-21swapper/023:20:410
306869965,1cyclictest6533-21ssh23:47:133
306869965,1cyclictest4714-21ssh21:27:263
306869965,1cyclictest16828-21ssh00:01:093
306869965,1cyclictest13089-21ssh23:55:403
306869965,1cyclictest10188-21ssh23:05:283
306869964,2cyclictest0-21swapper/300:38:263
306869964,1cyclictest19226-21cat00:05:163
306869963,2cyclictest18142-21stty19:50:103
306869963,1cyclictest240-21systemd-journal19:23:583
306869962,3cyclictest0-21swapper/323:00:213
306869962,1cyclictest23521-21diskmemload00:12:173
306869961,4cyclictest23521-21diskmemload23:40:363
306869961,2cyclictest16118-21cpuspeed_turbos22:30:143
306869961,2cyclictest0-21swapper/322:45:133
306869961,1cyclictest0-21swapper/321:55:073
306869961,0cyclictest0-21swapper/300:15:133
306869960,5cyclictest0-21swapper/300:22:523
306869960,4cyclictest0-21swapper/323:50:013
306869960,3cyclictest693-21runrttasks22:20:333
306869960,2cyclictest0-21swapper/323:20:113
306869960,2cyclictest0-21swapper/321:35:283
306869960,1cyclictest0-21swapper/321:50:113
306869960,1cyclictest0-21swapper/320:30:123
306799966,0cyclictest61650irq/122-eno123:45:122
306799966,0cyclictest61650irq/122-eno123:25:192
306799966,0cyclictest61650irq/122-eno123:15:022
306799966,0cyclictest61650irq/122-eno122:45:142
306799966,0cyclictest61650irq/122-eno122:15:142
306799966,0cyclictest61650irq/122-eno122:01:282
306799966,0cyclictest61650irq/122-eno121:41:242
306799966,0cyclictest61650irq/122-eno121:30:292
306799966,0cyclictest61650irq/122-eno121:25:152
306799966,0cyclictest61650irq/122-eno121:20:292
306799966,0cyclictest61650irq/122-eno121:10:122
306799966,0cyclictest61650irq/122-eno121:05:132
306799966,0cyclictest61650irq/122-eno120:50:112
306799966,0cyclictest61650irq/122-eno120:40:192
306799966,0cyclictest61650irq/122-eno120:36:492
306799966,0cyclictest61650irq/122-eno120:05:012
306799966,0cyclictest61650irq/122-eno119:45:152
306799966,0cyclictest61650irq/122-eno119:43:252
306799966,0cyclictest61650irq/122-eno119:30:112
306799966,0cyclictest61650irq/122-eno119:20:452
306799966,0cyclictest61650irq/122-eno119:17:252
306799965,1cyclictest61650irq/122-eno122:31:592
306799965,1cyclictest61650irq/122-eno121:15:432
306799965,1cyclictest61650irq/122-eno120:55:472
306799965,1cyclictest61650irq/122-eno120:15:192
306799965,1cyclictest61650irq/122-eno120:15:192
306799965,1cyclictest61650irq/122-eno119:11:142
306799965,1cyclictest61650irq/122-eno100:30:142
306799964,1cyclictest61650irq/122-eno122:10:132
306799964,1cyclictest61650irq/122-eno120:30:112
306799964,1cyclictest61650irq/122-eno100:15:122
306799963,1cyclictest12680-21cut20:45:172
306799962,2cyclictest240-21systemd-journal21:05:002
306799962,1cyclictest0-21swapper/219:25:192
306799960,1cyclictest11217-21apt-get23:55:102
306769966,0cyclictest0-21swapper/121:46:451
306769961,3cyclictest0-21swapper/123:45:201
306769961,2cyclictest0-21swapper/100:15:211
306769960,6cyclictest0-21swapper/123:55:221
306769960,6cyclictest0-21swapper/123:32:571
306769960,6cyclictest0-21swapper/100:03:371
306769960,5cyclictest0-21swapper/122:15:161
306769960,4cyclictest0-21swapper/123:24:401
306769960,0cyclictest0-21swapper/123:15:141
306669965,1cyclictest9-21ksoftirqd/019:20:170
306669965,1cyclictest19329-21ssh22:35:040
306669965,0cyclictest23521-21diskmemload00:00:140
306669964,1cyclictest9-21ksoftirqd/021:00:140
306669964,1cyclictest9-21ksoftirqd/020:40:180
306669964,1cyclictest9-21ksoftirqd/020:25:190
306669962,3cyclictest0-21swapper/019:45:130
306669960,6cyclictest0-21swapper/021:56:540
306669960,0cyclictest0-21swapper/020:45:210
306669960,0cyclictest0-21swapper/019:25:100
20572260,0sleep10-21swapper/100:06:511
11261260,0sleep10-21swapper/123:08:571
306869954,1cyclictest13826-21ssh23:10:523
306869953,1cyclictest18977-21apt-config21:00:013
306869953,1cyclictest18591-21latency_hist20:59:593
306869952,2cyclictest20615-21cpuspeed_turbos19:55:143
306869952,2cyclictest1495-21apt-get19:15:143
306869952,1cyclictest23521-21diskmemload23:35:083
306869950,5cyclictest0-21swapper/320:50:343
306869950,4cyclictest31940-21latency_hist20:20:013
306869950,4cyclictest31940-21latency_hist20:20:003
306869950,4cyclictest0-21swapper/322:25:173
306869950,3cyclictest8581-21apt-get19:30:123
306869950,3cyclictest2334-21apt-get20:25:143
306869950,1cyclictest0-21swapper/320:45:153
306869950,0cyclictest0-21swapper/319:12:293
306799955,0cyclictest61650irq/122-eno120:26:142
306799955,0cyclictest61650irq/122-eno120:20:052
306799954,1cyclictest23888-21ntpq20:00:162
306799950,1cyclictest0-21swapper/219:55:142
306769955,0cyclictest0-21swapper/123:27:481
306769955,0cyclictest0-21swapper/121:31:401
306769955,0cyclictest0-21swapper/121:15:021
306769954,1cyclictest0-21swapper/121:52:031
306769952,1cyclictest0-21swapper/121:10:351
306769951,3cyclictest26251-21chrt21:58:231
306769951,2cyclictest0-21swapper/100:26:141
306769951,1cyclictest0-21swapper/119:51:581
306769950,5cyclictest0-21swapper/121:41:021
306769950,4cyclictest0-21swapper/123:12:161
306769950,4cyclictest0-21swapper/119:30:151
306769950,4cyclictest0-21swapper/100:34:531
306769950,3cyclictest0-21swapper/123:04:481
306769950,3cyclictest0-21swapper/122:30:131
306769950,3cyclictest0-21swapper/120:55:181
306769950,3cyclictest0-21swapper/120:20:011
306769950,3cyclictest0-21swapper/120:20:011
306769950,3cyclictest0-21swapper/119:55:221
306769950,2cyclictest0-21swapper/123:42:491
306769950,2cyclictest0-21swapper/123:35:111
306769950,2cyclictest0-21swapper/100:38:131
306769950,1cyclictest0-21swapper/122:35:211
306769950,1cyclictest0-21swapper/122:00:171
306769950,0cyclictest0-21swapper/122:26:581
306769950,0cyclictest0-21swapper/122:07:531
306669955,0cyclictest0-21swapper/021:05:200
306669955,0cyclictest0-21swapper/020:31:110
306669954,1cyclictest9-21ksoftirqd/019:30:160
306669950,4cyclictest14280-21taskset20:50:130
306869944,0cyclictest0-21swapper/320:05:033
306869942,1cyclictest32468-21cut20:20:133
306869941,1cyclictest6231-21apt-get19:25:133
306869940,2cyclictest21406-21apt-get21:05:143
306869940,2cyclictest0-21swapper/320:10:143
306769942,1cyclictest0-21swapper/121:25:151
306769941,2cyclictest23750-21chrt00:10:441
306769941,1cyclictest0-21swapper/120:35:121
306769940,4cyclictest0-21swapper/119:12:141
306769940,3cyclictest0-21swapper/123:51:371
306769940,3cyclictest0-21swapper/122:51:231
306769940,3cyclictest0-21swapper/122:12:571
306769940,3cyclictest0-21swapper/120:15:001
306769940,3cyclictest0-21swapper/100:20:181
306769940,2cyclictest0-21swapper/122:45:191
306769940,2cyclictest0-21swapper/122:20:081
306769940,2cyclictest0-21swapper/120:40:141
306769940,2cyclictest0-21swapper/120:25:011
306769940,2cyclictest0-21swapper/120:00:201
306769940,2cyclictest0-21swapper/119:35:141
306769940,1cyclictest0-21swapper/122:40:031
306769940,1cyclictest0-21swapper/121:35:131
306769940,1cyclictest0-21swapper/120:05:111
306769940,1cyclictest0-21swapper/119:25:131
1037240,0sleep10-21swapper/122:55:031
306769931,1cyclictest0-21swapper/121:05:141
306769931,1cyclictest0-21swapper/121:00:191
306769931,1cyclictest0-21swapper/120:25:131
306769931,1cyclictest0-21swapper/119:20:111
306769931,1cyclictest0-21swapper/119:15:141
306769930,3cyclictest0-21swapper/120:45:111
306769930,2cyclictest0-21swapper/119:40:121
306769930,1cyclictest0-21swapper/120:30:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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