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2025-12-11 - 01:44
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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 all highest latencies:
System rack1slot1.osadl.org (updated Thu Dec 11, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251032215153,48sleep20-21swapper/219:05:002
253242212149,22sleep00-21swapper/019:05:030
273932201162,26sleep10-21swapper/119:09:231
270982201143,46sleep30-21swapper/319:05:353
93252610,0sleep00-21swapper/023:10:000
231102600,0sleep10-21swapper/100:14:291
202882580,0sleep00-21swapper/022:39:400
227182570,0sleep30-21swapper/322:40:263
27513991817,1cyclictest9-21ksoftirqd/021:47:490
2751399150,14cyclictest0-21swapper/021:50:210
2751399130,13cyclictest0-21swapper/021:55:160
27522991211,1cyclictest28-21ksoftirqd/222:20:002
2752299120,12cyclictest20445-21diskmemload23:02:212
27513991211,1cyclictest9-21ksoftirqd/021:45:010
27513991210,1cyclictest9-21ksoftirqd/023:49:590
27513991210,1cyclictest9-21ksoftirqd/022:10:000
27522991110,1cyclictest28-21ksoftirqd/200:00:002
2752299110,10cyclictest0-21swapper/222:35:152
2751499110,10cyclictest0-21swapper/122:25:141
2751399119,1cyclictest9-21ksoftirqd/022:15:130
2751399119,1cyclictest9-21ksoftirqd/000:10:070
2751399110,6cyclictest16554-21apt-get00:05:150
2751399110,10cyclictest0-21swapper/022:25:150
2752299109,1cyclictest28-21ksoftirqd/220:10:012
2752299105,4cyclictest28-21ksoftirqd/221:30:002
27522991010,0cyclictest0-21swapper/223:28:262
2752299100,5cyclictest0-21swapper/221:40:022
2751399109,1cyclictest9-21ksoftirqd/023:50:140
2751399109,1cyclictest9-21ksoftirqd/020:55:010
2751399109,1cyclictest9-21ksoftirqd/020:49:590
2751399108,1cyclictest9-21ksoftirqd/023:40:150
2751399108,1cyclictest9-21ksoftirqd/021:20:000
2751399106,3cyclictest9-21ksoftirqd/022:40:110
2751399104,5cyclictest961-21ssh21:25:220
2751399102,4cyclictest7806-21perf19:34:590
27513991010,0cyclictest9-21ksoftirqd/000:20:000
2751399101,4cyclictest31676-21latency_hist21:25:000
275239998,1cyclictest35-21ksoftirqd/320:40:003
275239996,2cyclictest17169-21/usr/sbin/munin22:35:183
275239993,2cyclictest0-21swapper/322:25:203
275239990,4cyclictest0-21swapper/320:15:013
275229998,1cyclictest28-21ksoftirqd/223:05:152
275229998,1cyclictest28-21ksoftirqd/200:00:192
275229995,3cyclictest28-21ksoftirqd/220:20:012
275229990,6cyclictest254-21systemd-journal23:25:002
275229990,6cyclictest0-21swapper/200:14:252
275139998,1cyclictest9-21ksoftirqd/000:20:230
275139997,1cyclictest9-21ksoftirqd/023:15:140
275139997,1cyclictest9-21ksoftirqd/022:55:140
275139994,2cyclictest254-21systemd-journal22:25:000
275139990,8cyclictest0-21swapper/000:30:150
275139990,5cyclictest24053-21perf21:15:010
1127290,0sleep10-21swapper/122:56:191
7674280,1sleep20-21swapper/223:50:432
275239982,2cyclictest30964-21apt-get23:40:133
275239981,5cyclictest20445-21diskmemload23:33:513
275239981,4cyclictest20445-21diskmemload00:13:093
275239980,1cyclictest0-21swapper/300:15:123
275229986,1cyclictest0-21swapper/200:39:442
275229986,1cyclictest0-21swapper/200:39:432
275229982,5cyclictest28604-21tr23:35:192
275229980,5cyclictest29884-21munin-node22:20:392
275229980,5cyclictest0-21swapper/222:52:142
275229980,5cyclictest0-21swapper/222:10:022
275229980,3cyclictest20445-21diskmemload00:25:142
275149981,3cyclictest0-21swapper/119:40:221
275149980,5cyclictest0-21swapper/123:10:201
275139987,1cyclictest9-21ksoftirqd/023:30:200
275139987,1cyclictest9-21ksoftirqd/023:25:010
275139987,1cyclictest9-21ksoftirqd/022:45:150
275139983,5cyclictest2884-21perf22:14:590
275139981,6cyclictest9274-21ssh23:55:090
275139980,7cyclictest6544-21ssh21:34:470
275139980,5cyclictest0-21swapper/019:25:130
275139980,4cyclictest16901-21latency_hist22:35:010
275239976,1cyclictest7851-21ntpq22:20:183
275239976,1cyclictest10774-21ntpq23:10:193
275239975,1cyclictest35-21ksoftirqd/320:41:223
275239972,2cyclictest1432-21cstates19:20:153
275239971,4cyclictest742-21runrttasks00:24:303
275239970,7cyclictest0-21swapper/323:36:423
275239970,5cyclictest0-21swapper/321:58:043
275239970,3cyclictest20445-21diskmemload23:20:233
275239970,2cyclictest0-21swapper/300:29:483
275239970,1cyclictest0-21swapper/322:49:593
275229976,1cyclictest6526-21cat19:30:162
275229976,1cyclictest60950irq/123-eno122:30:142
275229976,1cyclictest60950irq/123-eno122:27:542
275229976,1cyclictest60950irq/123-eno121:55:182
275229976,1cyclictest60950irq/123-eno121:10:142
275229976,1cyclictest60950irq/123-eno119:35:192
275229976,1cyclictest60950irq/123-eno119:20:132
275229976,1cyclictest60950irq/123-eno100:34:222
275229976,1cyclictest60950irq/123-eno100:05:022
275229976,1cyclictest28-21ksoftirqd/223:10:152
275229976,1cyclictest28-21ksoftirqd/222:05:192
275229971,3cyclictest15278-21ssh23:16:322
275229970,5cyclictest0-21swapper/221:54:582
275229970,4cyclictest0-21swapper/222:03:202
275229970,3cyclictest0-21swapper/221:30:152
275229970,2cyclictest6882-21runrttasks21:35:052
275229970,2cyclictest0-21swapper/222:56:332
275149975,1cyclictest32942sleep119:25:131
275149971,3cyclictest0-21swapper/121:40:171
275149970,6cyclictest0-21swapper/121:50:181
275149970,3cyclictest0-21swapper/122:39:411
275139977,0cyclictest9-21ksoftirqd/021:00:010
275139976,1cyclictest9-21ksoftirqd/020:25:150
275139976,1cyclictest9-21ksoftirqd/020:10:000
275139976,1cyclictest9-21ksoftirqd/019:50:000
275139975,1cyclictest9-21ksoftirqd/020:30:000
275139975,1cyclictest8071-21ntpq21:35:190
275139975,1cyclictest29317-21timerwakeupswit19:10:210
275139973,2cyclictest29278-21/usr/sbin/munin20:20:200
275139971,6cyclictest12715-21ssh23:14:360
275139971,5cyclictest0-21swapper/021:00:120
275139971,4cyclictest9-21ksoftirqd/022:50:020
275139970,6cyclictest4689-21ssh23:01:210
275139970,6cyclictest22845-21ssh23:28:090
275139970,6cyclictest0-21swapper/019:40:000
275139970,6cyclictest0-21swapper/000:35:190
275139970,6cyclictest0-21swapper/000:35:190
275139970,6cyclictest0-21swapper/000:00:120
275139970,1cyclictest447-21ssh00:26:460
275139970,1cyclictest24619-21aten_r1power_fr20:10:130
275139970,1cyclictest20445-21diskmemload23:36:400
275139970,1cyclictest0-21swapper/022:00:130
275139970,1cyclictest0-21swapper/020:02:530
275239965,1cyclictest8189-21ssh23:06:183
275239965,1cyclictest5120-21ssh21:30:383
275239965,1cyclictest35-21ksoftirqd/321:26:013
275239965,1cyclictest35-21ksoftirqd/321:09:233
275239965,1cyclictest31424-21ssh22:55:023
275239965,1cyclictest30412-21ntpq20:20:163
275239965,1cyclictest29812-21ssh22:50:393
275239965,1cyclictest2308-21ssh22:13:163
275239965,1cyclictest21581-21cat21:10:143
275239965,1cyclictest15212-21ssh00:02:203
275239965,1cyclictest14324-21ntp_states23:15:183
275239965,1cyclictest0-21swapper/321:22:303
275239964,1cyclictest433-21cron19:20:003
275239964,0cyclictest20445-21diskmemload23:56:123
275239963,1cyclictest254-21systemd-journal22:17:013
275239963,1cyclictest254-21systemd-journal20:58:453
275239962,2cyclictest20445-21diskmemload00:31:243
275239961,1cyclictest0-21swapper/321:48:113
275239961,0cyclictest20445-21diskmemload23:45:163
275239960,6cyclictest22104-21ssh23:25:463
275239960,4cyclictest0-21swapper/323:52:123
275239960,3cyclictest28547-21apt-get22:05:133
275239960,3cyclictest0-21swapper/323:02:503
275239960,2cyclictest0-21swapper/322:30:173
275239960,2cyclictest0-21swapper/321:51:433
275239960,1cyclictest26055-21memory22:00:173
275239960,1cyclictest0-21swapper/321:15:303
275239960,0cyclictest20445-21diskmemload21:40:223
275229966,0cyclictest60950irq/123-eno123:40:592
275229966,0cyclictest60950irq/123-eno122:45:122
275229966,0cyclictest60950irq/123-eno121:15:162
275229966,0cyclictest60950irq/123-eno121:05:242
275229966,0cyclictest60950irq/123-eno121:00:052
275229966,0cyclictest60950irq/123-eno120:57:442
275229966,0cyclictest60950irq/123-eno120:30:182
275229966,0cyclictest60950irq/123-eno120:27:492
275229966,0cyclictest60950irq/123-eno120:20:142
275229966,0cyclictest60950irq/123-eno119:54:082
275229966,0cyclictest60950irq/123-eno119:43:112
275229966,0cyclictest60950irq/123-eno100:20:122
275229966,0cyclictest60950irq/123-eno100:15:122
275229965,1cyclictest60950irq/123-eno123:45:172
275229965,1cyclictest60950irq/123-eno123:30:042
275229965,1cyclictest60950irq/123-eno122:40:102
275229965,1cyclictest60950irq/123-eno121:45:012
275229965,1cyclictest60950irq/123-eno120:12:052
275229965,1cyclictest28-21ksoftirqd/220:49:592
275229964,1cyclictest60950irq/123-eno121:20:182
275229964,1cyclictest60950irq/123-eno120:50:202
275229964,1cyclictest60950irq/123-eno120:40:192
275229964,1cyclictest20915-21strings20:00:192
275229963,1cyclictest254-21systemd-journal19:24:592
275229961,1cyclictest254-21systemd-journal19:10:562
275149966,0cyclictest0-21swapper/121:11:571
275149962,2cyclictest0-21swapper/123:33:331
275149961,2cyclictest0-21swapper/122:55:001
275149960,6cyclictest0-21swapper/123:15:411
275149960,6cyclictest0-21swapper/121:49:201
275149960,6cyclictest0-21swapper/121:35:171
275149960,6cyclictest0-21swapper/121:15:271
275149960,5cyclictest0-21swapper/123:05:181
275149960,4cyclictest0-21swapper/121:30:231
275149960,4cyclictest0-21swapper/100:25:211
275149960,3cyclictest0-21swapper/123:45:311
275149960,3cyclictest0-21swapper/123:25:271
275149960,3cyclictest0-21swapper/123:00:121
275149960,2cyclictest0-21swapper/100:00:181
275149960,1cyclictest0-21swapper/120:40:161
275149960,0cyclictest0-21swapper/122:13:501
275139965,1cyclictest9-21ksoftirqd/019:50:180
275139965,1cyclictest9-21ksoftirqd/019:40:150
275139965,1cyclictest9-21ksoftirqd/019:20:150
275139964,1cyclictest9-21ksoftirqd/019:15:000
275139960,4cyclictest254-21systemd-journal20:43:290
275139960,0cyclictest0-21swapper/021:06:130
275139960,0cyclictest0-21swapper/020:15:070
17956260,0sleep00-21swapper/019:55:140
275239953,1cyclictest9382-21systemctl19:35:193
275239953,1cyclictest6170-21hwlatdetect00:35:173
275239953,1cyclictest6170-21hwlatdetect00:35:173
275239953,1cyclictest35-21ksoftirqd/319:40:563
275239953,1cyclictest10985-21idleruntime-cro20:50:003
275239952,2cyclictest7137-21cpu21:35:143
275239952,1cyclictest35-21ksoftirqd/319:50:583
275239951,3cyclictest0-21swapper/319:55:133
275239950,3cyclictest0-21swapper/319:45:213
275239950,2cyclictest0-21swapper/300:05:023
275239950,1cyclictest28044-21/usr/sbin/munin20:15:173
275239950,1cyclictest254-21systemd-journal20:25:443
275229954,1cyclictest60950irq/123-eno119:55:202
275229954,1cyclictest28-21ksoftirqd/219:45:092
275229950,1cyclictest0-21swapper/219:15:012
275229950,0cyclictest0-21swapper/220:39:022
275149955,0cyclictest0-21swapper/119:23:421
275149951,2cyclictest0-21swapper/122:20:171
275149950,5cyclictest0-21swapper/120:10:531
275149950,4cyclictest0-21swapper/123:39:321
275149950,4cyclictest0-21swapper/122:02:101
275149950,4cyclictest0-21swapper/120:50:161
275149950,3cyclictest0-21swapper/122:40:171
275149950,3cyclictest0-21swapper/122:17:091
275149950,3cyclictest0-21swapper/122:05:151
275149950,3cyclictest0-21swapper/121:24:221
275149950,3cyclictest0-21swapper/100:20:151
275149950,3cyclictest0-21swapper/100:15:161
275149950,2cyclictest0-21swapper/123:22:351
275149950,2cyclictest0-21swapper/122:32:221
275149950,2cyclictest0-21swapper/119:50:091
275149950,2cyclictest0-21swapper/119:15:001
275149950,2cyclictest0-21swapper/100:35:151
275149950,2cyclictest0-21swapper/100:35:141
275149950,2cyclictest0-21swapper/100:30:111
275149950,2cyclictest0-21swapper/100:08:151
275149950,1cyclictest0-21swapper/123:58:451
275149950,1cyclictest0-21swapper/123:40:141
275149950,1cyclictest0-21swapper/121:55:121
275149950,0cyclictest0-21swapper/122:46:021
275139951,2cyclictest4137-21apt-get20:35:120
275239943,1cyclictest20707-21cat20:00:183
275239942,1cyclictest3587-21tr19:25:153
275239942,1cyclictest27747-21cut19:10:123
275239942,1cyclictest22248-21telnet20:05:123
275239942,1cyclictest1889-21aten_r1power_po20:30:133
275239942,1cyclictest16746-21gltestperf21:00:153
275239941,1cyclictest11224-21apt-get20:50:123
275239940,2cyclictest0-21swapper/319:30:133
275149944,0cyclictest0-21swapper/120:19:161
275149944,0cyclictest0-21swapper/120:05:591
275149941,1cyclictest0-21swapper/120:55:141
275149940,4cyclictest0-21swapper/119:16:191
275149940,3cyclictest0-21swapper/121:01:071
275149940,1cyclictest0-21swapper/123:50:151
275149940,1cyclictest0-21swapper/121:25:131
275149940,1cyclictest0-21swapper/120:45:141
275149940,1cyclictest0-21swapper/120:30:201
275149940,1cyclictest0-21swapper/120:00:201
275149940,1cyclictest0-21swapper/119:45:161
275149940,0cyclictest0-21swapper/120:25:111
275149940,0cyclictest0-21swapper/119:58:391
275149940,0cyclictest0-21swapper/119:30:161
275149932,1cyclictest7999-21chrt19:35:091
275149930,2cyclictest0-21swapper/120:35:181
275149930,1cyclictest0-21swapper/121:05:111
275149930,0cyclictest0-21swapper/120:20:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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