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2026-05-05 - 04:36
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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 Tue May 05, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
309632212173,25sleep20-21swapper/219:08:462
307382212149,22sleep30-21swapper/319:05:503
308472198157,27sleep00-21swapper/019:07:160
307882197159,25sleep10-21swapper/119:06:281
239212700,0sleep00-21swapper/020:00:140
193252600,0sleep00-21swapper/022:26:200
31144992018,1cyclictest28-21ksoftirqd/223:00:002
297642190,0sleep30-21swapper/321:58:333
124762190,1sleep212475-21turbostat23:45:002
70412180,0sleep20-21swapper/221:28:592
3113899150,14cyclictest26047-21cron23:20:000
3113899150,14cyclictest21959-21awk23:55:190
3113899150,14cyclictest0-21swapper/000:35:110
3113899140,13cyclictest0-21swapper/020:30:140
3113899140,13cyclictest0-21swapper/000:00:140
3115299130,10cyclictest240-21systemd-journal22:31:203
31144991311,1cyclictest28-21ksoftirqd/222:20:012
31144991311,1cyclictest28-21ksoftirqd/200:20:002
3114499130,13cyclictest0-21swapper/222:25:452
3113899132,5cyclictest18458-21latency_hist19:50:000
3113899130,9cyclictest31937-21latency_hist22:45:000
3113899130,13cyclictest0-21swapper/023:30:110
3113899130,13cyclictest0-21swapper/022:35:110
3113899130,13cyclictest0-21swapper/021:22:170
3113899130,13cyclictest0-21swapper/019:30:130
3113899130,13cyclictest0-21swapper/000:18:530
3113899130,12cyclictest9981-21cstates22:15:120
3113899130,12cyclictest7717-21ssh21:30:050
3113899130,12cyclictest24195-21diskmemload23:46:460
3113899130,12cyclictest24195-21diskmemload22:47:180
3113899130,12cyclictest24195-21diskmemload22:20:380
3113899130,12cyclictest24195-21diskmemload21:35:430
3113899130,12cyclictest24195-21diskmemload00:08:320
3113899130,12cyclictest0-21swapper/022:51:300
3113899130,12cyclictest0-21swapper/022:33:290
3113899130,12cyclictest0-21swapper/021:55:160
3113899130,12cyclictest0-21swapper/021:00:160
3113899130,12cyclictest0-21swapper/020:55:130
3113899130,12cyclictest0-21swapper/019:40:180
3113899130,10cyclictest240-21systemd-journal23:25:200
31144991211,1cyclictest28-21ksoftirqd/223:35:012
31144991210,1cyclictest28-21ksoftirqd/223:25:002
31144991210,1cyclictest28-21ksoftirqd/221:15:002
31144991210,1cyclictest28-21ksoftirqd/219:15:002
3114499120,11cyclictest61650irq/122-eno120:10:102
3113899121,10cyclictest24195-21diskmemload23:40:430
3113899120,9cyclictest0-21swapper/021:15:170
3113899120,9cyclictest0-21swapper/021:15:170
3113899120,8cyclictest20932-21sed21:45:190
3113899120,7cyclictest0-21swapper/022:00:180
3113899120,6cyclictest13777-21grep19:40:000
3113899120,11cyclictest8976-21sed22:55:210
3113899120,11cyclictest4098-21apt-get19:20:010
3113899120,11cyclictest24195-21diskmemload22:11:290
3113899120,11cyclictest24195-21diskmemload22:06:300
3113899120,11cyclictest24195-21diskmemload21:40:030
3113899120,11cyclictest24195-21diskmemload21:26:080
3113899120,11cyclictest24195-21diskmemload21:11:560
3113899120,11cyclictest0-21swapper/023:21:540
3113899120,11cyclictest0-21swapper/019:50:140
3113899120,11cyclictest0-21swapper/000:20:140
3113899120,0cyclictest0-21swapper/023:00:200
3113899120,0cyclictest0-21swapper/020:10:160
3113899120,0cyclictest0-21swapper/000:30:140
3115299119,1cyclictest35-21ksoftirqd/320:00:003
31152991110,1cyclictest35-21ksoftirqd/323:00:003
31152991110,1cyclictest35-21ksoftirqd/319:15:003
3114499119,1cyclictest28-21ksoftirqd/220:25:002
3114499119,1cyclictest28-21ksoftirqd/220:25:002
3114499119,1cyclictest28-21ksoftirqd/219:25:002
3114499119,1cyclictest28-21ksoftirqd/200:15:002
31144991111,0cyclictest0-21swapper/223:59:012
31144991110,1cyclictest28-21ksoftirqd/221:25:002
3113899112,4cyclictest4093-21latency_hist19:20:000
3113899110,9cyclictest0-21swapper/021:05:190
3113899110,10cyclictest24195-21diskmemload23:51:250
3113899110,10cyclictest24195-21diskmemload23:07:170
3113899110,10cyclictest24195-21diskmemload00:26:520
3113899110,10cyclictest24195-21diskmemload00:10:150
3113899110,10cyclictest0-21swapper/023:35:190
3113899110,10cyclictest0-21swapper/023:10:340
3113899110,10cyclictest0-21swapper/019:10:210
3115299109,1cyclictest35-21ksoftirqd/323:00:153
3115299109,1cyclictest35-21ksoftirqd/322:50:003
3115299109,1cyclictest35-21ksoftirqd/322:10:003
3115299109,1cyclictest35-21ksoftirqd/321:30:203
3115299109,1cyclictest35-21ksoftirqd/319:45:003
3115299109,1cyclictest35-21ksoftirqd/319:40:013
3115299108,1cyclictest35-21ksoftirqd/319:55:013
3115299108,1cyclictest35-21ksoftirqd/319:15:003
3114499109,1cyclictest28-21ksoftirqd/223:30:002
3114499109,1cyclictest28-21ksoftirqd/220:45:002
3114499108,1cyclictest28-21ksoftirqd/222:35:002
31144991010,0cyclictest0-21swapper/223:47:532
3114299106,2cyclictest0-21swapper/120:55:111
3113899100,9cyclictest375-21sed20:20:000
3113899100,5cyclictest10077-21/usr/sbin/munin20:40:140
3113899100,10cyclictest0-21swapper/021:50:140
311529999,0cyclictest35-21ksoftirqd/300:05:003
311529998,1cyclictest35-21ksoftirqd/323:55:003
311529998,1cyclictest35-21ksoftirqd/320:30:013
311529998,1cyclictest35-21ksoftirqd/300:30:113
311529997,1cyclictest35-21ksoftirqd/322:25:143
311449999,0cyclictest0-21swapper/222:39:072
311449998,1cyclictest28-21ksoftirqd/223:15:152
311449998,1cyclictest28-21ksoftirqd/222:10:002
311449998,1cyclictest28-21ksoftirqd/221:10:002
311449998,1cyclictest28-21ksoftirqd/220:55:002
311449998,1cyclictest28-21ksoftirqd/220:50:012
311449998,1cyclictest28-21ksoftirqd/220:30:002
311449998,1cyclictest28-21ksoftirqd/219:20:002
311449998,1cyclictest28-21ksoftirqd/200:35:222
311449998,1cyclictest28-21ksoftirqd/200:05:272
311449997,1cyclictest28-21ksoftirqd/222:45:122
311449997,1cyclictest28-21ksoftirqd/200:20:002
311449996,1cyclictest28-21ksoftirqd/221:30:182
311449994,2cyclictest294-21systemd-udevd21:35:082
311429991,3cyclictest0-21swapper/119:30:111
311389990,9cyclictest0-21swapper/020:20:110
311389990,9cyclictest0-21swapper/020:20:110
311389990,8cyclictest8564-21unixbench_multi19:25:210
311389990,8cyclictest7700-21/usr/sbin/munin20:35:140
9013280,1sleep30-21swapper/322:14:403
311529987,1cyclictest35-21ksoftirqd/323:35:123
311529987,1cyclictest35-21ksoftirqd/321:55:003
311529987,1cyclictest35-21ksoftirqd/321:45:123
311529987,1cyclictest35-21ksoftirqd/321:45:003
311529987,1cyclictest35-21ksoftirqd/321:00:003
311529981,5cyclictest13434-21apt-get22:20:123
311529980,7cyclictest1076-21munin-node21:27:583
311449987,1cyclictest28-21ksoftirqd/222:15:002
311449987,1cyclictest28-21ksoftirqd/221:45:122
311449987,1cyclictest28-21ksoftirqd/200:05:002
311449986,1cyclictest61650irq/122-eno122:40:122
311449986,1cyclictest61650irq/122-eno121:05:002
311449986,1cyclictest61650irq/122-eno100:25:192
311449984,2cyclictest240-21systemd-journal23:52:362
311449980,1cyclictest0-21swapper/223:06:252
311429980,5cyclictest0-21swapper/123:50:471
311429980,5cyclictest0-21swapper/123:10:121
311429980,4cyclictest0-21swapper/120:15:121
311389983,4cyclictest15145-21cat20:50:140
311389980,7cyclictest13028-21grep20:45:140
311389980,0cyclictest2571-21apt-get20:25:010
311389980,0cyclictest0-21swapper/019:55:380
311529976,1cyclictest35-21ksoftirqd/323:30:003
311529976,1cyclictest35-21ksoftirqd/323:10:123
311529976,1cyclictest35-21ksoftirqd/322:50:153
311529976,1cyclictest35-21ksoftirqd/322:35:003
311529976,1cyclictest35-21ksoftirqd/320:05:133
311529975,1cyclictest568-21nscd21:20:053
311529975,1cyclictest35-21ksoftirqd/321:15:153
311529975,1cyclictest35-21ksoftirqd/321:15:153
311529975,1cyclictest35-21ksoftirqd/319:45:123
311529975,1cyclictest35-21ksoftirqd/300:40:003
311529975,1cyclictest26288-21ssh21:10:373
311529975,1cyclictest11247-21ssh23:41:373
311529974,1cyclictest31360-21taskset22:43:273
311529971,4cyclictest4553-21apt-get19:20:123
311449977,0cyclictest0-21swapper/221:17:522
311449977,0cyclictest0-21swapper/221:17:522
311449976,1cyclictest61650irq/122-eno121:59:082
311449976,1cyclictest61650irq/122-eno120:35:142
311449976,1cyclictest28-21ksoftirqd/223:05:002
311449976,1cyclictest28-21ksoftirqd/220:55:132
311449976,1cyclictest28-21ksoftirqd/219:35:132
311449976,1cyclictest28-21ksoftirqd/219:30:012
311449976,0cyclictest61650irq/122-eno121:50:162
311449975,1cyclictest28-21ksoftirqd/223:10:122
311449975,1cyclictest28-21ksoftirqd/219:50:142
311449975,1cyclictest28-21ksoftirqd/219:45:132
311449973,2cyclictest294-21systemd-udevd00:33:082
311449973,1cyclictest240-21systemd-journal22:50:052
311449973,1cyclictest240-21systemd-journal22:04:562
311449970,7cyclictest0-21swapper/222:23:112
311449970,4cyclictest24195-21diskmemload23:35:102
311429971,5cyclictest0-21swapper/121:55:111
311429970,7cyclictest0-21swapper/123:09:111
311429970,6cyclictest0-21swapper/123:35:151
311429970,4cyclictest0-21swapper/122:20:431
311429970,4cyclictest0-21swapper/121:05:011
311429970,4cyclictest0-21swapper/100:00:351
311389970,6cyclictest26417-21perl20:05:140
31508260,1sleep10-21swapper/119:10:141
311529966,0cyclictest35-21ksoftirqd/323:15:213
311529966,0cyclictest35-21ksoftirqd/320:40:123
311529966,0cyclictest35-21ksoftirqd/320:25:003
311529966,0cyclictest35-21ksoftirqd/320:25:003
311529966,0cyclictest35-21ksoftirqd/300:20:103
311529965,1cyclictest35-21ksoftirqd/323:05:013
311529965,1cyclictest35-21ksoftirqd/320:35:143
311529965,1cyclictest35-21ksoftirqd/320:00:153
311529965,1cyclictest35-21ksoftirqd/300:25:153
311529965,1cyclictest32650-21ssh22:01:003
311529965,1cyclictest29738-21ssh00:05:453
311529965,1cyclictest2898-21ssh00:15:093
311529965,1cyclictest27286-21ssh23:20:163
311529965,1cyclictest22415-21ssh23:56:223
311529965,1cyclictest11796-21ssh21:35:113
311529965,1cyclictest1106-21ssh00:10:483
311529965,0cyclictest35-21ksoftirqd/321:05:173
311529964,1cyclictest35-21ksoftirqd/321:00:133
311529964,1cyclictest13323-21cat20:45:153
311529964,1cyclictest10465-21hddtemp_smartct22:15:133
311529962,1cyclictest24195-21diskmemload23:30:263
311529961,3cyclictest0-21swapper/323:45:123
311529960,5cyclictest11375-21cron19:35:003
311529960,3cyclictest7352-21taskset20:33:413
311449966,0cyclictest61650irq/122-eno121:40:122
311449966,0cyclictest61650irq/122-eno120:05:142
311449966,0cyclictest61650irq/122-eno120:04:202
311449966,0cyclictest61650irq/122-eno119:58:212
311449965,1cyclictest28-21ksoftirqd/220:30:012
311449965,1cyclictest28-21ksoftirqd/219:40:132
311449963,2cyclictest32598-21cron20:20:012
311429961,3cyclictest0-21swapper/123:04:021
311429960,6cyclictest0-21swapper/122:30:121
311429960,6cyclictest0-21swapper/122:03:051
311429960,6cyclictest0-21swapper/100:38:301
311429960,4cyclictest0-21swapper/121:33:351
311429960,4cyclictest0-21swapper/121:15:061
311429960,4cyclictest0-21swapper/121:15:061
311429960,3cyclictest0-21swapper/123:30:111
311429960,3cyclictest0-21swapper/123:24:211
311429960,2cyclictest0-21swapper/120:10:111
311429960,2cyclictest0-21swapper/100:15:541
311429960,0cyclictest0-21swapper/100:27:571
311529954,1cyclictest35-21ksoftirqd/320:15:133
311529954,1cyclictest35-21ksoftirqd/319:25:133
311529950,4cyclictest0-21swapper/320:50:123
311449950,4cyclictest9904-21perl19:30:142
311429955,0cyclictest0-21swapper/121:12:341
311429953,1cyclictest21578-21chrt21:04:271
311429953,1cyclictest0-21swapper/122:16:541
311429952,2cyclictest0-21swapper/122:25:191
311429952,2cyclictest0-21swapper/121:23:331
311429951,3cyclictest0-21swapper/122:50:131
311429950,5cyclictest0-21swapper/121:47:421
311429950,5cyclictest0-21swapper/120:45:151
311429950,5cyclictest0-21swapper/120:43:111
311429950,5cyclictest0-21swapper/120:05:021
311429950,5cyclictest0-21swapper/119:19:171
311429950,4cyclictest0-21swapper/123:45:251
311429950,4cyclictest0-21swapper/122:45:141
311429950,4cyclictest0-21swapper/122:39:031
311429950,4cyclictest0-21swapper/122:05:111
311429950,4cyclictest0-21swapper/100:11:381
311429950,3cyclictest0-21swapper/123:55:111
311429950,3cyclictest0-21swapper/123:41:341
311429950,3cyclictest0-21swapper/121:40:131
311429950,3cyclictest0-21swapper/121:26:161
311429950,2cyclictest0-21swapper/123:29:141
311429950,2cyclictest0-21swapper/123:19:061
311429950,2cyclictest0-21swapper/122:40:451
311429950,2cyclictest0-21swapper/121:53:371
311429950,2cyclictest0-21swapper/100:05:161
311429950,1cyclictest0-21swapper/120:35:121
311529942,1cyclictest28411-21cpuspeed_turbos20:10:123
311429944,0cyclictest0-21swapper/119:57:021
311429943,1cyclictest0-21swapper/121:35:111
311429942,1cyclictest5643-21chrt22:10:041
311429942,1cyclictest0-21swapper/122:55:161
311429941,2cyclictest0-21swapper/119:45:141
311429941,2cyclictest0-21swapper/119:20:121
311429941,1cyclictest0-21swapper/120:30:121
311429940,4cyclictest0-21swapper/120:25:181
311429940,2cyclictest0-21swapper/119:50:121
311429940,2cyclictest0-21swapper/100:31:521
311429940,1cyclictest0-21swapper/119:35:121
311429940,1cyclictest0-21swapper/100:21:331
311429940,0cyclictest0-21swapper/120:50:201
311429940,0cyclictest0-21swapper/119:42:131
311429940,0cyclictest0-21swapper/119:25:201
311429930,2cyclictest0-21swapper/120:00:121
311429930,1cyclictest0-21swapper/120:20:111
311429930,1cyclictest0-21swapper/120:20:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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