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2026-08-23 - 04:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot4.osadl.org (updated Sun Aug 23, 2026 00:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71650rcu_preempt0-21swapper/321:30:423
71650rcu_preempt0-21swapper/321:30:423
71620rcu_preempt588-21copy20:14:472
71620rcu_preempt588-21copy20:14:472
71610rcu_preempt0-21swapper/121:22:251
71610rcu_preempt0-21swapper/121:22:251
71580rcu_preempt0-21swapper/219:34:562
71580rcu_preempt0-21swapper/219:34:562
71570rcu_preempt0-21swapper/223:36:562
71570rcu_preempt0-21swapper/223:36:562
16825995711cyclictest2015-21sshd23:37:290
16825995711cyclictest2015-21sshd23:37:290
1682599547cyclictest19648-21ssh23:11:090
1682599547cyclictest19648-21ssh23:11:090
1682599547cyclictest19648-21ssh23:11:090
1682599523cyclictest0-21swapper/023:44:480
1682599523cyclictest0-21swapper/023:44:480
1682599523cyclictest0-21swapper/021:49:000
1682599523cyclictest0-21swapper/021:49:000
16825995217cyclictest31554-21df00:29:490
16825995217cyclictest31554-21df00:29:490
1682599513cyclictest0-21swapper/023:22:200
1682599513cyclictest0-21swapper/023:22:200
1682599513cyclictest0-21swapper/023:22:200
1682599513cyclictest0-21swapper/000:09:570
1682599513cyclictest0-21swapper/000:09:570
1682599512cyclictest2203-21users22:40:050
1682599512cyclictest2203-21users22:40:050
1682599512cyclictest2203-21users22:40:050
1682599512cyclictest16945-21ntp_states19:15:010
1682599512cyclictest15070-21memory21:04:580
1682599512cyclictest15070-21memory21:04:580
1682599512cyclictest0-21swapper/023:53:450
1682599512cyclictest0-21swapper/023:53:450
1682599511cyclictest22169-1kworker/0:0H22:23:450
1682599511cyclictest22169-1kworker/0:0H22:23:450
1682599511cyclictest22169-1kworker/0:0H22:23:450
1682599503cyclictest0-21swapper/020:54:530
1682599503cyclictest0-21swapper/020:54:530
1682599502cyclictest8129-21meminfo20:39:560
1682599502cyclictest8129-21meminfo20:39:560
1682599497cyclictest13386-21ssh22:04:110
1682599497cyclictest13386-21ssh22:04:110
1682599497cyclictest13386-21ssh22:04:110
1682599493cyclictest0-21swapper/023:05:000
1682599493cyclictest0-21swapper/023:05:000
1682599493cyclictest0-21swapper/022:09:540
1682599493cyclictest0-21swapper/022:09:540
1682599493cyclictest0-21swapper/021:50:030
1682599493cyclictest0-21swapper/021:50:030
1682599493cyclictest0-21swapper/021:35:030
1682599493cyclictest0-21swapper/021:35:030
1682599493cyclictest0-21swapper/021:31:370
1682599493cyclictest0-21swapper/021:31:370
1682599492cyclictest32327-21memory21:39:580
1682599492cyclictest32327-21memory21:39:580
1682599492cyclictest32327-21memory21:39:580
1682599491cyclictest9774-21apt-get22:54:480
1682599491cyclictest9774-21apt-get22:54:480
1682599491cyclictest4712-21ssh00:39:470
1682599491cyclictest4712-21ssh00:39:470
1682599491cyclictest24802-21apt-get19:44:460
1682599491cyclictest24802-21apt-get19:44:460
16825994916cyclictest29523-21users00:25:070
16825994916cyclictest29523-21users00:25:070
1682599483cyclictest0-21swapper/022:29:490
1682599483cyclictest0-21swapper/022:29:490
1682599483cyclictest0-21swapper/019:49:490
1682599483cyclictest0-21swapper/019:49:490
1682599483cyclictest0-21swapper/019:24:580
1682599483cyclictest0-21swapper/019:24:580
1682599483cyclictest0-21swapper/000:37:140
1682599483cyclictest0-21swapper/000:37:140
1682599483cyclictest0-21swapper/000:18:300
1682599483cyclictest0-21swapper/000:18:300
1682599483cyclictest0-21swapper/000:01:560
1682599483cyclictest0-21swapper/000:01:560
1682599482cyclictest30218-21munin-run20:04:350
1682599482cyclictest30218-21munin-run20:04:350
1682599482cyclictest29150-21ssh23:28:430
1682599482cyclictest29150-21ssh23:28:430
1682599482cyclictest0-21swapper/022:26:410
1682599482cyclictest0-21swapper/022:26:410
1682599481cyclictest0-21swapper/023:34:350
1682599481cyclictest0-21swapper/023:34:350
1682599481cyclictest0-21swapper/023:34:350
16825994816cyclictest0-21swapper/019:24:350
16825994816cyclictest0-21swapper/019:24:350
16825994815cyclictest22250-21diskstats19:34:520
16825994815cyclictest22250-21diskstats19:34:520
1682599473cyclictest0-21swapper/022:50:520
1682599473cyclictest0-21swapper/022:50:520
1682599473cyclictest0-21swapper/022:50:520
1682599473cyclictest0-21swapper/022:45:320
1682599473cyclictest0-21swapper/022:45:320
1682599473cyclictest0-21swapper/021:09:500
1682599473cyclictest0-21swapper/021:09:500
1682599472cyclictest8485-21memory21:54:570
1682599472cyclictest8485-21memory21:54:570
16825994715cyclictest0-21swapper/000:23:440
16825994715cyclictest0-21swapper/000:23:440
16825994715cyclictest0-21swapper/000:23:440
16825994714cyclictest32496-21ssh22:37:040
16825994714cyclictest32496-21ssh22:37:040
71460rcu_preempt0-21swapper/220:31:482
71460rcu_preempt0-21swapper/220:31:482
1682599464cyclictest0-21swapper/020:14:410
1682599463cyclictest20921-21irqstats19:29:540
1682599463cyclictest20921-21irqstats19:29:540
1682599463cyclictest0-21swapper/022:09:150
1682599463cyclictest0-21swapper/022:09:150
1682599463cyclictest0-21swapper/021:04:350
1682599463cyclictest0-21swapper/021:04:350
1682599462cyclictest6380-21aten_r4power_cu20:34:480
1682599462cyclictest1959-21runrttasks23:00:220
1682599462cyclictest1959-21runrttasks23:00:220
1682599462cyclictest17744-21grep00:05:030
1682599462cyclictest17744-21grep00:05:030
16825994616cyclictest0-21swapper/022:17:090
16825994616cyclictest0-21swapper/022:17:090
16825994615cyclictest0-21swapper/023:42:300
16825994615cyclictest0-21swapper/023:42:300
16825994615cyclictest0-21swapper/023:42:300
16825994612cyclictest11345-21apt-get23:54:580
16825994612cyclictest11345-21apt-get23:54:580
16825994610cyclictest24883-21ssh21:26:520
16825994610cyclictest24883-21ssh21:26:520
16825994610cyclictest24883-21ssh21:26:520
1682599453cyclictest0-21swapper/020:45:000
1682599453cyclictest0-21swapper/020:45:000
1682599452cyclictest46050irq/122-QMan10:48:550
1682599452cyclictest46050irq/122-QMan10:48:550
1682599452cyclictest22498-21chrt23:16:080
1682599452cyclictest22498-21chrt23:16:080
1682599451cyclictest21510-21ssh21:20:320
1682599451cyclictest21510-21ssh21:20:320
16825994512cyclictest5203-21diskstats20:29:520
16825994512cyclictest5203-21diskstats20:29:520
1682599449cyclictest23639-21df_inode19:39:520
1682599449cyclictest23639-21df_inode19:39:520
1682599449cyclictest10909-21meminfo20:49:570
1682599449cyclictest10909-21meminfo20:49:570
1682599442cyclictest32160-21meminfo20:09:570
1682599442cyclictest0-21swapper/020:24:470
1682599442cyclictest0-21swapper/020:24:470
1682599432cyclictest0-21swapper/021:15:010
1682599432cyclictest0-21swapper/021:15:010
1682599432cyclictest0-21swapper/020:21:470
1682599432cyclictest0-21swapper/020:21:470
71420rcu_preempt11100-1kworker/1:1H23:05:181
71420rcu_preempt11100-1kworker/1:1H23:05:181
71420rcu_preempt0-21swapper/121:25:061
71420rcu_preempt0-21swapper/121:25:061
71420rcu_preempt0-21swapper/121:25:061
71420rcu_preempt0-21swapper/119:19:211
1682599422cyclictest1959-21runrttasks20:17:540
1682599422cyclictest1959-21runrttasks20:17:540
16825994212cyclictest27562-21apt-get19:54:460
16825994212cyclictest27562-21apt-get19:54:460
71410rcu_preempt0-21swapper/222:19:462
71410rcu_preempt0-21swapper/222:19:462
71410rcu_preempt0-21swapper/222:19:462
71410rcu_preempt0-21swapper/123:24:521
71410rcu_preempt0-21swapper/123:24:521
71390rcu_preempt0-21swapper/223:29:452
71390rcu_preempt0-21swapper/223:29:452
71390rcu_preempt0-21swapper/223:29:452
71390rcu_preempt0-21swapper/219:29:492
71390rcu_preempt0-21swapper/219:29:492
71390rcu_preempt0-21swapper/122:56:421
71390rcu_preempt0-21swapper/122:56:421
71390rcu_preempt0-21swapper/121:39:471
71390rcu_preempt0-21swapper/121:39:471
71390rcu_preempt0-21swapper/121:39:471
71390rcu_preempt0-21swapper/100:27:111
71390rcu_preempt0-21swapper/100:27:111
71380rcu_preempt6815-21taskset00:43:091
71380rcu_preempt6815-21taskset00:43:091
71380rcu_preempt14469-21/usr/sbin/munin23:59:471
71380rcu_preempt14469-21/usr/sbin/munin23:59:471
71380rcu_preempt0-21swapper/323:36:153
71380rcu_preempt0-21swapper/323:36:153
71380rcu_preempt0-21swapper/300:05:193
71380rcu_preempt0-21swapper/300:05:193
71370rcu_preempt21937-21ssh22:19:131
71370rcu_preempt21937-21ssh22:19:131
71370rcu_preempt0-21swapper/323:10:483
71370rcu_preempt0-21swapper/323:10:483
71370rcu_preempt0-21swapper/323:10:483
71370rcu_preempt0-21swapper/222:26:352
71370rcu_preempt0-21swapper/222:26:352
71370rcu_preempt0-21swapper/122:10:121
71370rcu_preempt0-21swapper/122:10:121
71370rcu_preempt0-21swapper/121:32:341
71370rcu_preempt0-21swapper/121:32:341
71370rcu_preempt0-21swapper/121:18:371
71370rcu_preempt0-21swapper/121:18:371
71370rcu_preempt0-21swapper/100:32:351
71370rcu_preempt0-21swapper/100:32:351
71360rcu_preempt0-21swapper/321:19:353
71360rcu_preempt0-21swapper/321:19:353
71360rcu_preempt0-21swapper/223:57:192
71360rcu_preempt0-21swapper/223:57:192
71360rcu_preempt0-21swapper/121:09:341
71360rcu_preempt0-21swapper/121:09:341
71360rcu_preempt0-21swapper/119:44:291
71360rcu_preempt0-21swapper/119:44:291
71360rcu_preempt0-21swapper/100:15:181
71360rcu_preempt0-21swapper/100:15:181
71350rcu_preempt967-21diskstats20:14:511
71350rcu_preempt967-21diskstats20:14:511
71350rcu_preempt4487-1kworker/3:1H20:45:043
71350rcu_preempt4487-1kworker/3:1H20:45:043
71350rcu_preempt22641-21runrttasks21:23:282
71350rcu_preempt22641-21runrttasks21:23:282
71350rcu_preempt18560-1kworker/2:1H00:33:292
71350rcu_preempt18560-1kworker/2:1H00:33:292
71350rcu_preempt0-21swapper/322:24:393
71350rcu_preempt0-21swapper/322:24:393
71350rcu_preempt0-21swapper/322:24:393
71350rcu_preempt0-21swapper/321:59:353
71350rcu_preempt0-21swapper/321:59:353
71350rcu_preempt0-21swapper/300:18:113
71350rcu_preempt0-21swapper/300:18:113
71350rcu_preempt0-21swapper/222:50:212
71350rcu_preempt0-21swapper/222:50:212
71350rcu_preempt0-21swapper/222:50:212
71350rcu_preempt0-21swapper/220:09:472
71350rcu_preempt0-21swapper/220:09:472
71350rcu_preempt0-21swapper/220:09:372
71350rcu_preempt0-21swapper/220:09:372
71350rcu_preempt0-21swapper/200:36:282
71350rcu_preempt0-21swapper/200:36:282
71350rcu_preempt0-21swapper/200:26:082
71350rcu_preempt0-21swapper/200:26:082
71350rcu_preempt0-21swapper/123:46:391
71350rcu_preempt0-21swapper/123:46:391
71350rcu_preempt0-21swapper/123:09:471
71350rcu_preempt0-21swapper/123:09:471
71350rcu_preempt0-21swapper/123:09:471
71350rcu_preempt0-21swapper/122:24:581
71350rcu_preempt0-21swapper/122:24:581
71350rcu_preempt0-21swapper/122:21:001
71350rcu_preempt0-21swapper/122:21:001
71350rcu_preempt0-21swapper/122:21:001
71350rcu_preempt0-21swapper/122:01:511
71350rcu_preempt0-21swapper/122:01:511
71350rcu_preempt0-21swapper/122:01:511
71350rcu_preempt0-21swapper/121:49:391
71350rcu_preempt0-21swapper/121:49:391
71350rcu_preempt0-21swapper/100:08:551
71350rcu_preempt0-21swapper/100:08:551
46250350irq/120-QManpo19833-11
46250350irq/120-QManpo19833-11
71340rcu_preempt23686-21latency21:24:583
71340rcu_preempt23686-21latency21:24:583
71340rcu_preempt23686-21latency21:24:583
71340rcu_preempt18915-21runrttasks19:22:511
71340rcu_preempt18915-21runrttasks19:22:511
71340rcu_preempt0-21swapper/323:25:423
71340rcu_preempt0-21swapper/323:25:423
71340rcu_preempt0-21swapper/322:18:343
71340rcu_preempt0-21swapper/322:18:343
71340rcu_preempt0-21swapper/322:10:083
71340rcu_preempt0-21swapper/322:10:083
71340rcu_preempt0-21swapper/320:19:463
71340rcu_preempt0-21swapper/320:19:463
71340rcu_preempt0-21swapper/223:05:432
71340rcu_preempt0-21swapper/223:05:432
71340rcu_preempt0-21swapper/220:45:032
71340rcu_preempt0-21swapper/220:45:032
71340rcu_preempt0-21swapper/123:56:271
71340rcu_preempt0-21swapper/123:56:271
71340rcu_preempt0-21swapper/123:41:551
71340rcu_preempt0-21swapper/123:41:551
71340rcu_preempt0-21swapper/123:41:551
71340rcu_preempt0-21swapper/123:03:311
71340rcu_preempt0-21swapper/123:03:311
71340rcu_preempt0-21swapper/122:41:071
71340rcu_preempt0-21swapper/122:41:071
71340rcu_preempt0-21swapper/122:41:071
71340rcu_preempt0-21swapper/122:35:481
71340rcu_preempt0-21swapper/122:35:481
71340rcu_preempt0-21swapper/122:33:161
71340rcu_preempt0-21swapper/122:33:161
71340rcu_preempt0-21swapper/121:55:331
71340rcu_preempt0-21swapper/121:55:331
71340rcu_preempt0-21swapper/121:36:051
71340rcu_preempt0-21swapper/121:36:051
71340rcu_preempt0-21swapper/120:41:531
71340rcu_preempt0-21swapper/120:41:531
71340rcu_preempt0-21swapper/120:24:451
71340rcu_preempt0-21swapper/120:24:451
71340rcu_preempt0-21swapper/120:00:011
71340rcu_preempt0-21swapper/120:00:011
71340rcu_preempt0-21swapper/100:37:221
71340rcu_preempt0-21swapper/100:37:221
71340rcu_preempt0-21swapper/100:20:121
71340rcu_preempt0-21swapper/100:20:121
71340rcu_preempt0-21swapper/100:20:121
71330rcu_preempt790-21/usr/sbin/munin23:35:011
71330rcu_preempt790-21/usr/sbin/munin23:35:011
71330rcu_preempt17301-21diskmemload22:54:111
71330rcu_preempt17301-21diskmemload22:54:111
71330rcu_preempt17301-21diskmemload22:54:111
71330rcu_preempt16254-21ls19:14:552
71330rcu_preempt11591-21seq20:52:431
71330rcu_preempt11591-21seq20:52:431
71330rcu_preempt0-21swapper/322:04:463
71330rcu_preempt0-21swapper/322:04:463
71330rcu_preempt0-21swapper/321:45:253
71330rcu_preempt0-21swapper/321:45:253
71330rcu_preempt0-21swapper/300:00:513
71330rcu_preempt0-21swapper/300:00:513
71330rcu_preempt0-21swapper/223:49:542
71330rcu_preempt0-21swapper/223:49:542
71330rcu_preempt0-21swapper/223:14:462
71330rcu_preempt0-21swapper/223:14:462
71330rcu_preempt0-21swapper/223:11:302
71330rcu_preempt0-21swapper/223:11:302
71330rcu_preempt0-21swapper/223:11:302
71330rcu_preempt0-21swapper/222:05:422
71330rcu_preempt0-21swapper/222:05:422
71330rcu_preempt0-21swapper/222:00:532
71330rcu_preempt0-21swapper/222:00:532
71330rcu_preempt0-21swapper/222:00:532
71330rcu_preempt0-21swapper/200:20:412
71330rcu_preempt0-21swapper/200:20:412
71330rcu_preempt0-21swapper/200:20:412
71330rcu_preempt0-21swapper/200:10:272
71330rcu_preempt0-21swapper/200:10:272
71330rcu_preempt0-21swapper/123:33:061
71330rcu_preempt0-21swapper/123:33:061
71330rcu_preempt0-21swapper/123:33:061
71330rcu_preempt0-21swapper/123:19:441
71330rcu_preempt0-21swapper/123:19:441
71330rcu_preempt0-21swapper/123:19:441
71330rcu_preempt0-21swapper/122:45:551
71330rcu_preempt0-21swapper/122:45:551
71330rcu_preempt0-21swapper/121:11:441
71330rcu_preempt0-21swapper/121:11:441
71330rcu_preempt0-21swapper/120:22:391
71330rcu_preempt0-21swapper/120:22:391
71330rcu_preempt0-21swapper/100:14:051
71330rcu_preempt0-21swapper/100:14:051
71320rcu_preempt30300-1kworker/1:0H20:04:511
71320rcu_preempt30300-1kworker/1:0H20:04:511
71320rcu_preempt19085-21sendmail-msp19:24:571
71320rcu_preempt19085-21sendmail-msp19:24:571
71320rcu_preempt11523-21apt-get23:54:463
71320rcu_preempt11523-21apt-get23:54:463
71320rcu_preempt0-21swapper/323:39:523
71320rcu_preempt0-21swapper/323:39:523
71320rcu_preempt0-21swapper/323:39:523
71320rcu_preempt0-21swapper/323:14:523
71320rcu_preempt0-21swapper/323:14:523
71320rcu_preempt0-21swapper/322:54:243
71320rcu_preempt0-21swapper/322:54:243
71320rcu_preempt0-21swapper/322:54:243
71320rcu_preempt0-21swapper/321:35:043
71320rcu_preempt0-21swapper/321:35:043
71320rcu_preempt0-21swapper/320:34:573
71320rcu_preempt0-21swapper/320:09:533
71320rcu_preempt0-21swapper/320:09:533
71320rcu_preempt0-21swapper/300:35:443
71320rcu_preempt0-21swapper/300:35:443
71320rcu_preempt0-21swapper/300:25:573
71320rcu_preempt0-21swapper/300:25:573
71320rcu_preempt0-21swapper/300:23:593
71320rcu_preempt0-21swapper/300:23:593
71320rcu_preempt0-21swapper/300:23:593
71320rcu_preempt0-21swapper/300:12:573
71320rcu_preempt0-21swapper/300:12:573
71320rcu_preempt0-21swapper/223:45:212
71320rcu_preempt0-21swapper/223:45:212
71320rcu_preempt0-21swapper/222:40:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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