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2026-01-07 - 12:13
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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 Wed Jan 07, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/123:01:581
71700rcu_preempt0-21swapper/123:01:581
71650rcu_preempt0-21swapper/123:25:281
71650rcu_preempt0-21swapper/123:25:281
71540rcu_preempt0-21swapper/323:07:533
71540rcu_preempt0-21swapper/323:07:533
71540rcu_preempt0-21swapper/323:07:533
71490rcu_preempt0-21swapper/221:21:182
71490rcu_preempt0-21swapper/221:21:182
46450480irq/118-QManpo8634-2110:48:552
46450480irq/118-QManpo8634-2110:48:552
967799463cyclictest0-21swapper/100:38:151
967799463cyclictest0-21swapper/100:38:151
71460rcu_preempt16409-21copy21:20:413
71460rcu_preempt16409-21copy21:20:413
9677994517cyclictest17027-21memory21:20:581
9677994517cyclictest17027-21memory21:20:581
71450rcu_preempt18731-21ssh21:24:170
71450rcu_preempt18731-21ssh21:24:170
71450rcu_preempt0-21swapper/021:25:530
71450rcu_preempt0-21swapper/021:25:530
967799442cyclictest18000-21diskstats23:15:471
967799442cyclictest18000-21diskstats23:15:471
967799442cyclictest18000-21diskstats23:15:471
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
967799433cyclictest0-21swapper/123:34:221
967799433cyclictest0-21swapper/123:34:221
9677994317cyclictest18402-21munin-run22:20:311
9677994317cyclictest18402-21munin-run22:20:311
9677994317cyclictest18402-21munin-run22:20:311
71430rcu_preempt0-21swapper/123:49:441
71430rcu_preempt0-21swapper/123:49:441
71430rcu_preempt0-21swapper/123:49:441
46250430irq/120-QManpo8628-2110:48:551
46250430irq/120-QManpo8628-2110:48:551
967799424cyclictest0-21swapper/121:51:241
967799424cyclictest0-21swapper/121:51:241
967799424cyclictest0-21swapper/121:51:241
967799423cyclictest0-21swapper/123:37:351
967799423cyclictest0-21swapper/123:37:351
967799423cyclictest0-21swapper/123:37:351
967799423cyclictest0-21swapper/122:10:461
967799423cyclictest0-21swapper/122:10:461
967799423cyclictest0-21swapper/119:25:461
967799423cyclictest0-21swapper/119:25:461
967799413cyclictest20179-21memory00:15:531
967799413cyclictest20179-21memory00:15:531
967799413cyclictest20179-21memory00:15:531
967799413cyclictest0-21swapper/123:52:221
967799413cyclictest0-21swapper/123:52:221
967799413cyclictest0-21swapper/123:52:221
967799413cyclictest0-21swapper/123:41:221
967799413cyclictest0-21swapper/123:41:221
967799413cyclictest0-21swapper/122:50:431
967799413cyclictest0-21swapper/122:50:431
967799413cyclictest0-21swapper/122:44:051
967799413cyclictest0-21swapper/122:44:051
967799413cyclictest0-21swapper/122:38:531
967799413cyclictest0-21swapper/122:38:531
967799413cyclictest0-21swapper/122:38:531
967799413cyclictest0-21swapper/121:05:301
967799413cyclictest0-21swapper/121:05:301
967799413cyclictest0-21swapper/119:10:451
967799413cyclictest0-21swapper/119:10:451
967799413cyclictest0-21swapper/119:10:451
967799413cyclictest0-21swapper/100:05:501
967799413cyclictest0-21swapper/100:05:501
967799413cyclictest0-21swapper/100:05:501
967799412cyclictest19916-21meminfo19:45:501
967799412cyclictest19916-21meminfo19:45:501
9677994115cyclictest23166-21ntp_states00:20:561
9677994115cyclictest23166-21ntp_states00:20:561
9677994113cyclictest23541-21munin-run20:00:311
9677994113cyclictest23541-21munin-run20:00:311
71410rcu_preempt0-21swapper/122:56:591
71410rcu_preempt0-21swapper/122:56:591
71410rcu_preempt0-21swapper/122:56:591
71410rcu_preempt0-21swapper/120:30:291
71410rcu_preempt0-21swapper/120:30:291
71410rcu_preempt0-21swapper/120:30:291
46050410irq/122-QManpo8274-210
46050410irq/122-QManpo8274-210
967799404cyclictest0-21swapper/119:40:581
967799404cyclictest0-21swapper/119:40:581
967799403cyclictest0-21swapper/123:25:561
967799403cyclictest0-21swapper/123:25:561
967799403cyclictest0-21swapper/122:45:481
967799403cyclictest0-21swapper/122:45:481
967799403cyclictest0-21swapper/122:20:531
967799403cyclictest0-21swapper/122:20:531
967799403cyclictest0-21swapper/121:57:551
967799403cyclictest0-21swapper/121:57:551
967799403cyclictest0-21swapper/121:57:551
967799403cyclictest0-21swapper/121:00:301
967799403cyclictest0-21swapper/121:00:301
967799403cyclictest0-21swapper/120:45:501
967799403cyclictest0-21swapper/120:45:501
967799403cyclictest0-21swapper/120:35:401
967799403cyclictest0-21swapper/120:35:401
967799403cyclictest0-21swapper/120:35:401
9677994016cyclictest16377-21munin-run21:20:311
9677994016cyclictest16377-21munin-run21:20:311
9677994016cyclictest16377-21munin-run21:20:311
9677994016cyclictest11446-21entropy00:00:481
9677994016cyclictest11446-21entropy00:00:481
9677994016cyclictest11446-21entropy00:00:481
9677994014cyclictest0-21swapper/119:15:581
9677994014cyclictest0-21swapper/119:15:581
9677994013cyclictest28578-21ntp_states21:40:561
9677994013cyclictest28578-21ntp_states21:40:561
9677994013cyclictest13665-21ssh23:07:521
9677994013cyclictest13665-21ssh23:07:521
9677994013cyclictest13665-21ssh23:07:521
71400rcu_preempt0-21swapper/022:25:570
71400rcu_preempt0-21swapper/022:25:570
967799393cyclictest0-21swapper/122:26:081
967799393cyclictest0-21swapper/122:26:081
967799393cyclictest0-21swapper/121:25:371
967799393cyclictest0-21swapper/121:25:371
967799393cyclictest0-21swapper/119:25:301
967799393cyclictest0-21swapper/119:25:301
967799392cyclictest8556-21ssh23:55:491
967799392cyclictest8556-21ssh23:55:491
967799392cyclictest25418-21/usr/sbin/munin00:25:431
967799392cyclictest25418-21/usr/sbin/munin00:25:431
967799392cyclictest17980-21munin-run19:40:301
967799392cyclictest17980-21munin-run19:40:301
967799392cyclictest0-21swapper/100:14:231
967799392cyclictest0-21swapper/100:14:231
967799391cyclictest0-21swapper/120:50:391
967799391cyclictest0-21swapper/120:50:391
9677993916cyclictest0-21swapper/119:50:441
9677993916cyclictest0-21swapper/119:50:441
9677993911cyclictest31661-21unixbench_multi21:45:561
9677993911cyclictest31661-21unixbench_multi21:45:561
9677993911cyclictest31661-21unixbench_multi21:45:561
71390rcu_preempt0-21swapper/321:19:513
71390rcu_preempt0-21swapper/321:19:513
71390rcu_preempt0-21swapper/321:19:513
71390rcu_preempt0-21swapper/223:05:422
71390rcu_preempt0-21swapper/223:05:422
71390rcu_preempt0-21swapper/223:05:422
71390rcu_preempt0-21swapper/220:00:302
71390rcu_preempt0-21swapper/220:00:302
71390rcu_preempt0-21swapper/022:10:340
71390rcu_preempt0-21swapper/022:10:340
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
967799383cyclictest0-21swapper/121:38:071
967799383cyclictest0-21swapper/121:38:071
967799383cyclictest0-21swapper/121:38:071
967799382cyclictest24566-21ssh21:34:321
967799382cyclictest24566-21ssh21:34:321
967799382cyclictest24566-21ssh21:34:321
967799382cyclictest24299-21apt-get22:30:431
967799382cyclictest24299-21apt-get22:30:431
967799382cyclictest14977-21/usr/sbin/munin23:10:441
967799382cyclictest14977-21/usr/sbin/munin23:10:441
967799382cyclictest0-21swapper/100:31:001
967799382cyclictest0-21swapper/100:31:001
967799381cyclictest24077-21meminfo20:00:521
967799381cyclictest24077-21meminfo20:00:521
967799381cyclictest24077-21meminfo20:00:521
967799381cyclictest10178-21df_inode22:05:461
967799381cyclictest10178-21df_inode22:05:461
9677993815cyclictest0-21swapper/122:03:281
9677993815cyclictest0-21swapper/122:03:281
9677993814cyclictest12358-21ssh21:12:421
9677993814cyclictest12358-21ssh21:12:421
9677993814cyclictest12358-21ssh21:12:421
71380rcu_preempt26872-21ssh00:27:160
71380rcu_preempt26872-21ssh00:27:160
71380rcu_preempt11589-21meminfo19:15:510
71380rcu_preempt11589-21meminfo19:15:510
71380rcu_preempt11040-21apt-get19:15:532
71380rcu_preempt11040-21apt-get19:15:532
71380rcu_preempt0-21swapper/200:22:322
71380rcu_preempt0-21swapper/200:22:322
71380rcu_preempt0-21swapper/022:03:410
71380rcu_preempt0-21swapper/022:03:410
71380rcu_preempt0-21swapper/020:40:320
71380rcu_preempt0-21swapper/020:40:320
71380rcu_preempt0-21swapper/020:40:320
71380rcu_preempt0-21swapper/020:05:580
71380rcu_preempt0-21swapper/020:05:580
71380rcu_preempt0-21swapper/000:05:270
71380rcu_preempt0-21swapper/000:05:270
71380rcu_preempt0-21swapper/000:05:270
46050380irq/122-QManpo18647-2110:48:550
46050380irq/122-QManpo18647-2110:48:550
46050380irq/122-QManpo13003-2110:48:550
46050380irq/122-QManpo13003-2110:48:550
967799371cyclictest29618-21meminfo20:20:521
967799371cyclictest29618-21meminfo20:20:521
967799371cyclictest27851-21tr20:15:431
967799371cyclictest27851-21tr20:15:431
967799371cyclictest27851-21tr20:15:431
71370rcu_preempt9675-21cyclictest22:55:330
71370rcu_preempt9675-21cyclictest22:55:330
71370rcu_preempt24210-21taskset00:22:480
71370rcu_preempt24210-21taskset00:22:480
71370rcu_preempt0-21swapper/222:51:222
71370rcu_preempt0-21swapper/222:51:222
71370rcu_preempt0-21swapper/220:06:162
71370rcu_preempt0-21swapper/220:06:162
71370rcu_preempt0-21swapper/023:53:300
71370rcu_preempt0-21swapper/023:53:300
71370rcu_preempt0-21swapper/023:53:300
71370rcu_preempt0-21swapper/023:14:330
71370rcu_preempt0-21swapper/023:14:330
71370rcu_preempt0-21swapper/022:59:380
71370rcu_preempt0-21swapper/022:59:380
71370rcu_preempt0-21swapper/022:59:380
71370rcu_preempt0-21swapper/022:24:440
71370rcu_preempt0-21swapper/022:24:440
71370rcu_preempt0-21swapper/021:45:260
71370rcu_preempt0-21swapper/021:45:260
71370rcu_preempt0-21swapper/021:15:590
71370rcu_preempt0-21swapper/021:15:590
71370rcu_preempt0-21swapper/021:15:590
71370rcu_preempt0-21swapper/000:36:390
71370rcu_preempt0-21swapper/000:36:390
46050370irq/122-QManpo2609-2110:48:550
46050370irq/122-QManpo2609-2110:48:550
967799362cyclictest2476-21cut20:40:431
967799362cyclictest2476-21cut20:40:431
967799361cyclictest0-21swapper/120:10:431
967799361cyclictest0-21swapper/120:10:431
71360rcu_preempt6154-1kworker/2:0H23:00:312
71360rcu_preempt6154-1kworker/2:0H23:00:312
71360rcu_preempt6154-1kworker/2:0H23:00:312
71360rcu_preempt25401-21ssh23:28:330
71360rcu_preempt25401-21ssh23:28:330
71360rcu_preempt11678-21/usr/sbin/munin21:11:000
71360rcu_preempt11678-21/usr/sbin/munin21:11:000
71360rcu_preempt11678-21/usr/sbin/munin21:11:000
71360rcu_preempt0-21swapper/319:19:383
71360rcu_preempt0-21swapper/319:19:383
71360rcu_preempt0-21swapper/200:00:322
71360rcu_preempt0-21swapper/200:00:322
71360rcu_preempt0-21swapper/021:52:480
71360rcu_preempt0-21swapper/021:52:480
71360rcu_preempt0-21swapper/021:52:480
71360rcu_preempt0-21swapper/021:38:400
71360rcu_preempt0-21swapper/021:38:400
71360rcu_preempt0-21swapper/021:38:400
71360rcu_preempt0-21swapper/020:12:020
71360rcu_preempt0-21swapper/020:12:020
46050360irq/122-QManpo8548-2110:48:550
46050360irq/122-QManpo8548-2110:48:550
46050360irq/122-QManpo16251-2110:48:550
46050360irq/122-QManpo16251-2110:48:550
46050360irq/122-QManpo16251-2110:48:550
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
220642360sleep018052-1kworker/0:2H19:54:410
220642360sleep018052-1kworker/0:2H19:54:410
967799352cyclictest0-21swapper/120:30:411
967799352cyclictest0-21swapper/120:30:411
9677993511cyclictest0-21swapper/119:30:561
9677993511cyclictest0-21swapper/119:30:561
71350rcu_preempt9675-21cyclictest22:40:552
71350rcu_preempt9675-21cyclictest22:40:552
71350rcu_preempt17839-21wget23:15:430
71350rcu_preempt17839-21wget23:15:430
71350rcu_preempt17839-21wget23:15:430
71350rcu_preempt0-21swapper/321:55:003
71350rcu_preempt0-21swapper/321:55:003
71350rcu_preempt0-21swapper/321:55:003
71350rcu_preempt0-21swapper/223:30:412
71350rcu_preempt0-21swapper/223:30:412
71350rcu_preempt0-21swapper/223:20:512
71350rcu_preempt0-21swapper/223:20:512
71350rcu_preempt0-21swapper/222:36:092
71350rcu_preempt0-21swapper/222:36:092
71350rcu_preempt0-21swapper/222:36:092
71350rcu_preempt0-21swapper/200:36:312
71350rcu_preempt0-21swapper/200:36:312
71350rcu_preempt0-21swapper/200:27:432
71350rcu_preempt0-21swapper/200:27:432
71350rcu_preempt0-21swapper/023:48:260
71350rcu_preempt0-21swapper/023:48:260
71350rcu_preempt0-21swapper/023:48:260
71350rcu_preempt0-21swapper/022:37:410
71350rcu_preempt0-21swapper/022:37:410
71350rcu_preempt0-21swapper/022:37:410
71350rcu_preempt0-21swapper/022:12:560
71350rcu_preempt0-21swapper/022:12:560
71350rcu_preempt0-21swapper/021:49:350
71350rcu_preempt0-21swapper/021:49:350
71350rcu_preempt0-21swapper/021:49:350
71350rcu_preempt0-21swapper/020:18:110
71350rcu_preempt0-21swapper/020:18:110
71350rcu_preempt0-21swapper/020:18:110
71350rcu_preempt0-21swapper/020:00:420
71350rcu_preempt0-21swapper/020:00:420
71350rcu_preempt0-21swapper/020:00:420
71350rcu_preempt0-21swapper/019:26:490
71350rcu_preempt0-21swapper/019:26:490
71350rcu_preempt0-21swapper/019:11:200
71350rcu_preempt0-21swapper/019:11:200
71350rcu_preempt0-21swapper/019:11:200
46050350irq/122-QManpo593-2110:48:550
46050350irq/122-QManpo593-2110:48:550
46050350irq/122-QManpo5130-210
46050350irq/122-QManpo5130-210
46050350irq/122-QManpo31097-2110:48:550
46050350irq/122-QManpo31097-2110:48:550
46050350irq/122-QManpo17973-2110:48:550
46050350irq/122-QManpo17973-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
234382350sleep018052-1kworker/0:2H19:59:360
234382350sleep018052-1kworker/0:2H19:59:360
967799342cyclictest1959-21runrttasks21:09:151
967799342cyclictest1959-21runrttasks21:09:151
967799342cyclictest1959-21runrttasks21:09:151
94222340sleep39132-1kworker/3:0H19:07:503
94222340sleep39132-1kworker/3:0H19:07:503
71340rcu_preempt2448-1kworker/2:2H23:45:402
71340rcu_preempt2448-1kworker/2:2H23:45:402
71340rcu_preempt2448-1kworker/2:2H23:45:402
71340rcu_preempt11016-21sendmail-msp00:01:382
71340rcu_preempt11016-21sendmail-msp00:01:382
71340rcu_preempt11016-21sendmail-msp00:01:382
71340rcu_preempt10550-21diskmemload22:20:482
71340rcu_preempt10550-21diskmemload22:20:482
71340rcu_preempt0-21swapper/319:35:563
71340rcu_preempt0-21swapper/319:35:563
71340rcu_preempt0-21swapper/222:08:002
71340rcu_preempt0-21swapper/222:08:002
71340rcu_preempt0-21swapper/222:03:482
71340rcu_preempt0-21swapper/222:03:482
71340rcu_preempt0-21swapper/221:47:192
71340rcu_preempt0-21swapper/221:47:192
71340rcu_preempt0-21swapper/221:47:192
71340rcu_preempt0-21swapper/221:10:412
71340rcu_preempt0-21swapper/221:10:412
71340rcu_preempt0-21swapper/221:10:412
71340rcu_preempt0-21swapper/022:35:200
71340rcu_preempt0-21swapper/022:35:200
71340rcu_preempt0-21swapper/021:55:400
71340rcu_preempt0-21swapper/021:55:400
71340rcu_preempt0-21swapper/021:55:400
71340rcu_preempt0-21swapper/020:56:420
71340rcu_preempt0-21swapper/020:56:420
46050340irq/122-QManpo434-210
46050340irq/122-QManpo434-210
46050340irq/122-QManpo23959-2110:48:550
46050340irq/122-QManpo23959-2110:48:550
46050340irq/122-QManpo23959-2110:48:550
46050340irq/122-QManpo20735-2110:48:550
46050340irq/122-QManpo20735-2110:48:550
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
166452340sleep011107-1kworker/0:1H19:35:330
166452340sleep011107-1kworker/0:1H19:35:330
71330rcu_preempt8684-1kworker/2:1H21:08:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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