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2025-11-30 - 12:28
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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 Sun Nov 30, 2025 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9262210150,20sleep00-21swapper/019:07:450
9262210150,20sleep00-21swapper/019:07:440
9332201161,26sleep20-21swapper/219:07:502
9332201161,26sleep20-21swapper/219:07:502
9092199160,26sleep30-21swapper/319:07:323
9092199160,26sleep30-21swapper/319:07:323
9322196158,25sleep10-21swapper/119:07:501
9322196158,25sleep10-21swapper/119:07:491
118099140,13cyclictest0-21swapper/221:10:162
117299140,13cyclictest0-21swapper/121:10:211
1171991311,1cyclictest9-21ksoftirqd/020:00:010
117199122,5cyclictest18837-21latency_hist19:44:590
1171991212,0cyclictest9-21ksoftirqd/000:05:200
1171991211,1cyclictest9-21ksoftirqd/023:50:010
225162110,2sleep20-21swapper/223:17:322
1189991110,1cyclictest35-21ksoftirqd/322:55:003
1189991110,1cyclictest35-21ksoftirqd/322:10:003
1180991111,0cyclictest29294-21ssh22:41:072
117199119,1cyclictest9-21ksoftirqd/023:05:000
117199119,1cyclictest9-21ksoftirqd/021:35:160
1171991110,1cyclictest9-21ksoftirqd/022:20:120
1171991110,1cyclictest9-21ksoftirqd/021:54:590
118999100,6cyclictest21386-21apt-get19:50:123
118999100,4cyclictest254-21systemd-journal20:20:013
118099109,1cyclictest28-21ksoftirqd/222:20:012
118099109,1cyclictest28-21ksoftirqd/222:20:012
117199109,1cyclictest9-21ksoftirqd/023:43:190
117199109,1cyclictest9-21ksoftirqd/021:05:000
117199108,1cyclictest9-21ksoftirqd/019:34:590
117199102,4cyclictest30827-21ls20:10:010
117199102,4cyclictest30827-21ls20:10:000
1171991010,0cyclictest9-21ksoftirqd/000:02:210
117199101,4cyclictest20385-21sed21:45:000
17337290,1sleep315984-21/usr/sbin/munin23:55:203
11899990,5cyclictest546-21irqbalance23:17:463
11809997,1cyclictest28-21ksoftirqd/219:45:002
11809991,0cyclictest26974-21diskmemload21:36:322
11719999,0cyclictest9-21ksoftirqd/023:25:210
11719998,1cyclictest9-21ksoftirqd/023:15:150
11719998,1cyclictest9-21ksoftirqd/022:05:000
11719998,1cyclictest9-21ksoftirqd/021:25:010
11719997,1cyclictest9-21ksoftirqd/019:40:000
11719990,1cyclictest254-21systemd-journal22:17:380
11719990,1cyclictest254-21systemd-journal22:17:370
27357280,0sleep30-21swapper/321:54:533
18910280,0sleep10-21swapper/122:27:031
11899987,1cyclictest35-21ksoftirqd/321:05:013
11899987,1cyclictest35-21ksoftirqd/319:44:593
11899983,4cyclictest557-21nscd23:05:133
11899981,4cyclictest26974-21diskmemload00:20:183
11899981,4cyclictest26974-21diskmemload00:20:173
11899980,5cyclictest0-21swapper/321:56:313
11809986,1cyclictest60950irq/123-eno123:12:302
11809986,1cyclictest60950irq/123-eno123:04:592
11809986,1cyclictest60950irq/123-eno121:55:002
11809986,1cyclictest3833-21sensors19:15:012
11809986,1cyclictest28-21ksoftirqd/219:25:002
11809984,2cyclictest254-21systemd-journal20:00:202
11809984,1cyclictest254-21systemd-journal23:21:092
11729980,7cyclictest0-21swapper/123:45:141
11729980,5cyclictest0-21swapper/119:50:131
11729980,4cyclictest0-21swapper/123:32:531
11719988,0cyclictest9-21ksoftirqd/000:25:170
11719988,0cyclictest0-21swapper/020:04:030
11719987,1cyclictest9-21ksoftirqd/019:24:590
11719986,1cyclictest9-21ksoftirqd/023:05:140
11719984,1cyclictest20150-21apt-get22:30:120
11719983,5cyclictest15754-21cat23:55:010
11719982,5cyclictest7644-21ssh22:10:210
11719981,6cyclictest10623-21ssh21:30:160
11719981,1cyclictest8576-21ssh22:59:380
11719980,7cyclictest29865-21ssh21:56:380
11719980,7cyclictest19345-21ssh23:13:400
11719980,4cyclictest10281-21latency_hist20:35:000
11899977,0cyclictest26974-21diskmemload00:09:313
11899977,0cyclictest26253-21sensors21:05:223
11899976,0cyclictest26974-21diskmemload23:20:063
11899975,1cyclictest8381-21ssh22:12:293
11899975,1cyclictest21729-21ssh00:01:453
11899975,1cyclictest15406-21ssh22:22:113
11899974,3cyclictest26974-21diskmemload21:19:033
11899974,1cyclictest35-21ksoftirqd/320:31:353
11899974,0cyclictest26974-21diskmemload23:39:143
11899972,2cyclictest26974-21diskmemload22:00:073
11899972,2cyclictest26974-21diskmemload21:44:303
11899971,5cyclictest557-21nscd00:36:013
11899970,6cyclictest12657-21ssh21:34:023
11899970,4cyclictest30794-21cron20:10:013
11899970,4cyclictest30794-21cron20:10:013
11899970,3cyclictest30535-21perf22:45:003
11899970,3cyclictest0-21swapper/321:11:173
11809976,1cyclictest60950irq/123-eno123:42:412
11809976,1cyclictest60950irq/123-eno123:34:552
11809976,1cyclictest60950irq/123-eno122:08:402
11809976,1cyclictest60950irq/123-eno121:55:162
11809976,1cyclictest60950irq/123-eno121:16:192
11809976,1cyclictest60950irq/123-eno120:15:142
11809976,1cyclictest5539-21cat19:15:182
11809976,1cyclictest28-21ksoftirqd/200:10:012
11809976,0cyclictest60950irq/123-eno122:10:462
11809975,1cyclictest60950irq/123-eno122:55:192
11809975,1cyclictest60950irq/123-eno122:35:142
11809975,1cyclictest4691-21ssh22:53:332
11809975,1cyclictest22432-21ssh22:31:562
11809973,2cyclictest570-21systemd-logind21:05:232
11809973,2cyclictest26974-21diskmemload21:25:142
11809973,1cyclictest26974-21diskmemload22:25:122
11809972,3cyclictest30116-21apt-get00:15:122
11809972,3cyclictest26974-21diskmemload23:45:232
11809972,2cyclictest441-21unixbench-2d22:00:232
11809972,2cyclictest254-21systemd-journal23:28:242
11809970,4cyclictest60950irq/123-eno100:10:142
11809970,1cyclictest0-21swapper/221:40:172
11729971,3cyclictest0-21swapper/123:51:411
11729971,3cyclictest0-21swapper/122:00:151
11729971,3cyclictest0-21swapper/120:40:141
11729970,5cyclictest0-21swapper/120:25:161
11729970,1cyclictest0-21swapper/123:16:411
11719976,1cyclictest9-21ksoftirqd/020:25:000
11719976,1cyclictest9-21ksoftirqd/019:50:140
11719975,1cyclictest9-21ksoftirqd/019:20:000
11719973,1cyclictest254-21systemd-journal19:15:010
11719972,3cyclictest22251-21idleruntime-cro21:00:010
11719971,5cyclictest30919-21/usr/sbin/munin21:15:140
11719971,3cyclictest557-21nscd21:10:180
11719970,7cyclictest28447-21ssh00:10:380
11719970,6cyclictest29112-21sshd22:40:310
11719970,6cyclictest26974-21diskmemload00:20:060
11719970,6cyclictest26974-21diskmemload00:20:060
11719970,6cyclictest22959-21ssh21:47:120
11719970,6cyclictest0-21swapper/022:05:160
11719970,6cyclictest0-21swapper/021:23:420
11719970,4cyclictest27067-21perf22:40:010
11719970,3cyclictest2191-21cstates23:35:130
11719970,1cyclictest4818-21ssh22:53:590
11719970,1cyclictest30775-21ssh22:45:070
11719970,1cyclictest26974-21diskmemload23:20:130
11719970,1cyclictest26974-21diskmemload00:15:540
11719970,1cyclictest13549-21/usr/sbin/munin00:35:210
11719970,1cyclictest10744-21ssh00:31:300
11719970,1cyclictest0-21swapper/023:59:310
11719970,1cyclictest0-21swapper/023:30:120
11479270,1sleep10-21swapper/121:30:411
11899965,1cyclictest7831-21ssh23:42:293
11899965,1cyclictest31700-21cat22:45:173
11899965,1cyclictest29889-21ssh23:28:243
11899965,1cyclictest22593-21ssh21:46:023
11899965,1cyclictest15716-21ssh21:37:083
11899965,1cyclictest14469-21ssh23:51:043
11899965,1cyclictest10674-21ntpq22:15:223
11899965,1cyclictest10674-21ntpq22:15:213
11899965,0cyclictest26974-21diskmemload22:26:473
11899964,1cyclictest9099-21df00:30:143
11899964,1cyclictest31191-21df_inode23:30:133
11899964,1cyclictest12628-21cat19:30:183
11899963,2cyclictest18109-21fschecks_count20:50:143
11899963,1cyclictest26974-21diskmemload21:25:243
11899963,1cyclictest254-21systemd-journal22:54:593
11899963,0cyclictest4799-21apt-get00:25:153
11899962,2cyclictest26974-21diskmemload23:10:353
11899960,6cyclictest0-21swapper/322:30:173
11899960,4cyclictest0-21swapper/323:45:543
11899960,3cyclictest26974-21diskmemload00:10:193
11899960,3cyclictest0-21swapper/322:38:173
11899960,3cyclictest0-21swapper/300:15:123
11899960,2cyclictest0-21swapper/323:02:333
11899960,2cyclictest0-21swapper/321:20:133
11899960,2cyclictest0-21swapper/320:35:133
11899960,1cyclictest0-21swapper/320:45:143
11809966,0cyclictest60950irq/123-eno123:55:142
11809966,0cyclictest60950irq/123-eno123:50:072
11809966,0cyclictest60950irq/123-eno123:35:112
11809966,0cyclictest60950irq/123-eno122:22:592
11809966,0cyclictest60950irq/123-eno121:20:022
11809966,0cyclictest60950irq/123-eno119:55:202
11809966,0cyclictest60950irq/123-eno100:30:032
11809966,0cyclictest60950irq/123-eno100:01:052
11809965,1cyclictest60950irq/123-eno123:05:122
11809965,1cyclictest60950irq/123-eno120:55:122
11809965,1cyclictest60950irq/123-eno100:20:152
11809965,1cyclictest60950irq/123-eno100:20:142
11809965,1cyclictest29841-21ntpq20:05:202
11809965,1cyclictest29841-21ntpq20:05:202
11809965,1cyclictest20564-21ssh21:45:052
11809965,0cyclictest60950irq/123-eno122:45:342
11809965,0cyclictest60950irq/123-eno100:25:172
11809964,1cyclictest60950irq/123-eno121:30:132
11809964,1cyclictest60950irq/123-eno119:45:162
11809964,1cyclictest60950irq/123-eno100:35:202
11809960,4cyclictest12076-21unixbench-2d20:35:212
11809960,4cyclictest0-21swapper/221:00:132
11809960,2cyclictest0-21swapper/220:45:172
11809960,2cyclictest0-21swapper/219:30:152
11729962,1cyclictest0-21swapper/123:40:221
11729961,3cyclictest0-21swapper/122:05:141
11729960,6cyclictest0-21swapper/121:45:501
11729960,6cyclictest0-21swapper/121:15:181
11729960,6cyclictest0-21swapper/100:05:211
11729960,5cyclictest0-21swapper/120:30:171
11729960,4cyclictest0-21swapper/123:22:351
11729960,4cyclictest0-21swapper/122:47:261
11729960,3cyclictest0-21swapper/123:55:551
11729960,3cyclictest0-21swapper/123:37:251
11729960,3cyclictest0-21swapper/123:25:131
11729960,3cyclictest0-21swapper/123:09:451
11729960,3cyclictest0-21swapper/122:59:381
11729960,3cyclictest0-21swapper/122:10:221
11729960,3cyclictest0-21swapper/121:39:271
11729960,3cyclictest0-21swapper/121:27:351
11729960,3cyclictest0-21swapper/121:24:311
11729960,3cyclictest0-21swapper/121:05:141
11729960,3cyclictest0-21swapper/100:30:011
11729960,2cyclictest0-21swapper/121:58:211
11729960,2cyclictest0-21swapper/121:40:371
11729960,1cyclictest0-21swapper/123:10:121
11729960,1cyclictest0-21swapper/100:20:171
11729960,1cyclictest0-21swapper/100:20:171
11729960,1cyclictest0-21swapper/100:19:301
11729960,1cyclictest0-21swapper/100:14:341
11729960,1cyclictest0-21swapper/100:02:441
11719965,1cyclictest9-21ksoftirqd/020:45:000
11719965,1cyclictest9-21ksoftirqd/019:30:000
11719964,1cyclictest9-21ksoftirqd/020:11:590
11719963,1cyclictest9-21ksoftirqd/021:09:370
11719960,6cyclictest0-21swapper/020:27:180
11719960,1cyclictest0-21swapper/020:35:140
11719960,0cyclictest26974-21diskmemload22:25:420
11899954,1cyclictest24900-21ntp_states19:55:193
11899954,1cyclictest13420-21cut20:40:163
11899953,2cyclictest3563-21telnet20:20:143
11899953,1cyclictest4044-21pmu-power19:15:013
11899953,1cyclictest35-21ksoftirqd/320:27:433
11899953,1cyclictest31922-21cat20:10:183
11899950,5cyclictest0-21swapper/319:26:313
11899950,3cyclictest1388-21apt-get19:10:123
11899950,1cyclictest16469-21apt-key19:40:003
11899950,1cyclictest0-21swapper/319:20:203
11899950,0cyclictest0-21swapper/319:49:273
11809955,0cyclictest60950irq/123-eno120:30:152
11809955,0cyclictest60950irq/123-eno120:25:142
11809955,0cyclictest60950irq/123-eno120:11:512
11809955,0cyclictest60950irq/123-eno119:25:112
11809953,1cyclictest12931-21cut20:40:162
11809950,4cyclictest0-21swapper/219:35:162
11809950,3cyclictest0-21swapper/220:50:192
11809950,1cyclictest0-21swapper/219:50:122
11729955,0cyclictest0-21swapper/120:37:331
11729951,2cyclictest0-21swapper/120:15:001
11729951,1cyclictest0-21swapper/122:15:211
11729951,1cyclictest0-21swapper/122:15:201
11729950,3cyclictest0-21swapper/122:50:021
11729950,3cyclictest0-21swapper/122:40:201
11729950,3cyclictest0-21swapper/122:20:021
11729950,3cyclictest0-21swapper/121:50:221
11729950,3cyclictest0-21swapper/100:35:401
11729950,2cyclictest0-21swapper/123:00:071
11729950,2cyclictest0-21swapper/122:35:201
11729950,2cyclictest0-21swapper/122:30:281
11729950,2cyclictest0-21swapper/119:25:131
11729950,2cyclictest0-21swapper/100:25:201
11729950,1cyclictest0-21swapper/119:30:151
11729950,1cyclictest0-21swapper/119:15:181
11729950,0cyclictest0-21swapper/119:55:121
11719953,1cyclictest20195-21ntp_states19:45:200
11719950,4cyclictest15201-21/usr/sbin/munin20:45:210
11719950,4cyclictest0-21swapper/020:15:140
11719950,3cyclictest0-21swapper/020:50:130
11899940,1cyclictest254-21systemd-journal20:55:363
11899940,1cyclictest254-21systemd-journal20:00:043
11809940,1cyclictest0-21swapper/220:20:152
11729943,1cyclictest0-21swapper/120:50:181
11729941,2cyclictest0-21swapper/119:40:131
11729941,2cyclictest0-21swapper/119:35:141
11729940,2cyclictest0-21swapper/119:50:001
11729940,2cyclictest0-21swapper/119:20:131
11729940,2cyclictest0-21swapper/119:11:171
11729940,1cyclictest0-21swapper/120:20:191
11729940,1cyclictest0-21swapper/120:15:171
11729940,1cyclictest0-21swapper/120:00:531
11729932,1cyclictest203272sleep120:55:151
11729932,1cyclictest171572sleep120:48:021
11729931,1cyclictest0-21swapper/121:00:141
11729931,1cyclictest0-21swapper/120:05:141
11729931,1cyclictest0-21swapper/120:05:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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