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2026-04-13 - 05:49
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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 Mon Apr 13, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/322:06:213
71730rcu_preempt0-21swapper/322:06:213
71730rcu_preempt0-21swapper/322:06:213
46050540irq/122-QManpo654-2110:48:550
46050540irq/122-QManpo654-2110:48:550
46450490irq/118-QManpo404-2110:48:552
46450490irq/118-QManpo404-2110:48:552
1835994826cyclictest3059-21irqstats00:07:380
1835994826cyclictest3059-21irqstats00:07:380
1835994826cyclictest3059-21irqstats00:07:380
1835994725cyclictest19154-21sendmail_mailqu23:37:440
1835994725cyclictest19154-21sendmail_mailqu23:37:440
1835994725cyclictest19154-21sendmail_mailqu23:37:440
1835994717cyclictest0-21swapper/020:02:410
1835994717cyclictest0-21swapper/020:02:410
1835994717cyclictest0-21swapper/020:02:410
71460rcu_preempt18979-21runrttasks22:39:080
71460rcu_preempt18979-21runrttasks22:39:080
71460rcu_preempt12705-21sh00:24:382
71460rcu_preempt12705-21sh00:24:382
71460rcu_preempt12705-21sh00:24:382
71460rcu_preempt0-21swapper/022:52:220
71460rcu_preempt0-21swapper/022:52:220
71460rcu_preempt0-21swapper/022:52:220
1835994626cyclictest17450-21irqstats20:07:360
1835994626cyclictest17450-21irqstats20:07:360
1835994620cyclictest0-21swapper/022:22:180
1835994620cyclictest0-21swapper/022:22:180
1835994616cyclictest0-21swapper/022:09:260
1835994616cyclictest0-21swapper/022:09:260
1835994616cyclictest0-21swapper/022:09:260
1835994616cyclictest0-21swapper/021:16:530
1835994616cyclictest0-21swapper/021:16:530
71450rcu_preempt0-21swapper/021:02:470
71450rcu_preempt0-21swapper/021:02:470
71450rcu_preempt0-21swapper/021:02:470
1835994523cyclictest31736-21df_inode23:02:330
1835994523cyclictest31736-21df_inode23:02:330
1835994523cyclictest31736-21df_inode23:02:330
1835994523cyclictest22739-21apt-get20:27:290
1835994523cyclictest22739-21apt-get20:27:290
1835994523cyclictest14389-21cut19:57:290
1835994523cyclictest14389-21cut19:57:290
1835994523cyclictest14389-21cut19:57:290
1835994523cyclictest10047-21munin-run23:22:180
1835994523cyclictest10047-21munin-run23:22:180
1835994523cyclictest10047-21munin-run23:22:180
1835994523cyclictest0-21swapper/023:57:470
1835994523cyclictest0-21swapper/023:57:470
1835994517cyclictest13072-21ssh23:27:300
1835994517cyclictest13072-21ssh23:27:300
71440rcu_preempt0-21swapper/322:23:363
71440rcu_preempt0-21swapper/322:23:363
1835994425cyclictest9640-21irqstats22:22:390
1835994425cyclictest9640-21irqstats22:22:390
1835994424cyclictest22377-21ssh22:45:520
1835994424cyclictest22377-21ssh22:45:520
1835994424cyclictest11134-21awk23:22:480
1835994424cyclictest11134-21awk23:22:480
1835994424cyclictest11134-21awk23:22:480
1835994423cyclictest30787-21ssh22:02:200
1835994423cyclictest30787-21ssh22:02:200
1835994423cyclictest20154-21sed20:17:330
1835994423cyclictest20154-21sed20:17:330
1835994423cyclictest20154-21sed20:17:330
1835994422cyclictest3931-21ssh23:11:210
1835994422cyclictest3931-21ssh23:11:210
1835994421cyclictest0-21swapper/023:48:550
1835994421cyclictest0-21swapper/023:48:550
1835994421cyclictest0-21swapper/020:32:320
1835994421cyclictest0-21swapper/020:32:320
71430rcu_preempt22432-1kworker/0:0H23:43:470
71430rcu_preempt22432-1kworker/0:0H23:43:470
71430rcu_preempt22432-1kworker/0:0H23:43:470
71430rcu_preempt22432-1kworker/0:0H23:43:470
71430rcu_preempt0-21swapper/321:50:543
71430rcu_preempt0-21swapper/321:50:543
71430rcu_preempt0-21swapper/223:03:592
71430rcu_preempt0-21swapper/223:03:592
71430rcu_preempt0-21swapper/223:03:592
71430rcu_preempt0-21swapper/022:04:340
71430rcu_preempt0-21swapper/022:04:340
71430rcu_preempt0-21swapper/022:04:340
1835994327cyclictest11373-21apt-get21:27:280
1835994327cyclictest11373-21apt-get21:27:280
1835994326cyclictest1959-21runrttasks21:21:290
1835994326cyclictest1959-21runrttasks21:21:290
1835994323cyclictest12391-21awk19:47:470
1835994323cyclictest12391-21awk19:47:470
1835994323cyclictest11483-21irqstats00:22:390
1835994323cyclictest11483-21irqstats00:22:390
1835994323cyclictest11483-21irqstats00:22:390
1835994322cyclictest1546-21/usr/sbin/munin21:07:310
1835994322cyclictest1546-21/usr/sbin/munin21:07:310
1835994321cyclictest0-21swapper/021:45:540
1835994321cyclictest0-21swapper/021:45:540
1835994319cyclictest0-21swapper/021:49:170
1835994319cyclictest0-21swapper/021:49:170
71420rcu_preempt19769-21apt-get20:17:382
71420rcu_preempt19769-21apt-get20:17:382
71420rcu_preempt19769-21apt-get20:17:382
1835994233cyclictest28421-21munin-run22:57:170
1835994233cyclictest28421-21munin-run22:57:170
1835994223cyclictest26759-21munin-run20:42:170
1835994223cyclictest26759-21munin-run20:42:170
1835994223cyclictest26759-21munin-run20:42:170
1835994222cyclictest5038-21ntp_states23:12:410
1835994222cyclictest5038-21ntp_states23:12:410
1835994222cyclictest5038-21ntp_states23:12:410
1835994222cyclictest16508-21ssh00:32:310
1835994222cyclictest16508-21ssh00:32:310
1835994221cyclictest0-21swapper/022:59:460
1835994221cyclictest0-21swapper/022:59:460
1835994221cyclictest0-21swapper/022:59:460
1835994221cyclictest0-21swapper/020:57:360
1835994221cyclictest0-21swapper/020:57:360
1835994220cyclictest0-21swapper/022:29:240
1835994220cyclictest0-21swapper/022:29:240
1835994220cyclictest0-21swapper/022:29:240
1835994220cyclictest0-21swapper/020:22:330
1835994220cyclictest0-21swapper/020:22:330
1835994220cyclictest0-21swapper/000:12:390
1835994220cyclictest0-21swapper/000:12:390
1835994220cyclictest0-21swapper/000:12:390
71410rcu_preempt14727-21ssh21:32:441
71410rcu_preempt14727-21ssh21:32:441
71410rcu_preempt0-21swapper/222:02:492
71410rcu_preempt0-21swapper/222:02:492
71410rcu_preempt0-21swapper/222:02:492
1835994125cyclictest14169-21ssh21:32:300
1835994125cyclictest14169-21ssh21:32:300
1835994123cyclictest8807-21apt-get19:37:270
1835994123cyclictest8807-21apt-get19:37:270
1835994122cyclictest4899-21diskstats19:22:320
1835994122cyclictest4899-21diskstats19:22:320
1835994122cyclictest22035-21ssh00:42:180
1835994122cyclictest22035-21ssh00:42:180
1835994122cyclictest2139-21ssh00:06:070
1835994122cyclictest2139-21ssh00:06:070
1835994121cyclictest25676-21ntpq21:52:430
1835994121cyclictest25676-21ntpq21:52:430
1835994121cyclictest15751-21ssh00:30:470
1835994121cyclictest15751-21ssh00:30:470
1835994120cyclictest0-21swapper/022:12:310
1835994120cyclictest0-21swapper/022:12:310
1835994120cyclictest0-21swapper/022:12:310
1835994120cyclictest0-21swapper/021:23:080
1835994120cyclictest0-21swapper/021:23:080
1835994120cyclictest0-21swapper/020:12:400
1835994120cyclictest0-21swapper/020:12:400
1835994119cyclictest0-21swapper/019:57:170
1835994119cyclictest0-21swapper/019:57:170
1835994119cyclictest0-21swapper/019:42:310
1835994119cyclictest0-21swapper/019:42:310
1835994119cyclictest0-21swapper/019:42:310
71400rcu_preempt0-21swapper/223:20:452
71400rcu_preempt0-21swapper/223:20:452
71400rcu_preempt0-21swapper/223:20:452
1835994029cyclictest1959-21runrttasks00:19:220
1835994029cyclictest1959-21runrttasks00:19:220
1835994027cyclictest1959-21runrttasks23:55:120
1835994027cyclictest1959-21runrttasks23:55:120
1835994025cyclictest6578-21/usr/sbin/munin19:27:420
1835994025cyclictest6578-21/usr/sbin/munin19:27:420
1835994025cyclictest6578-21/usr/sbin/munin19:27:420
1835994022cyclictest4582-21cat19:22:190
1835994022cyclictest4582-21cat19:22:190
1835994022cyclictest4582-21cat19:22:190
1835994018cyclictest0-21swapper/020:52:350
1835994018cyclictest0-21swapper/020:52:350
71390rcu_preempt9413-1kworker/1:0H00:21:181
71390rcu_preempt9413-1kworker/1:0H00:21:181
71390rcu_preempt0-21swapper/222:42:312
71390rcu_preempt0-21swapper/222:42:312
71390rcu_preempt0-21swapper/221:43:212
71390rcu_preempt0-21swapper/221:43:212
71390rcu_preempt0-21swapper/221:17:472
71390rcu_preempt0-21swapper/221:17:472
1835993926cyclictest14626-21/usr/sbin/munin22:32:400
1835993926cyclictest14626-21/usr/sbin/munin22:32:400
1835993923cyclictest7669-21/usr/sbin/munin19:32:330
1835993923cyclictest7669-21/usr/sbin/munin19:32:330
1835993919cyclictest0-21swapper/021:37:450
1835993919cyclictest0-21swapper/021:37:450
1835993918cyclictest0-21swapper/020:52:170
1835993918cyclictest0-21swapper/020:52:170
1835993917cyclictest0-21swapper/023:32:290
1835993917cyclictest0-21swapper/023:32:290
71380rcu_preempt9601-21ssh22:22:362
71380rcu_preempt9601-21ssh22:22:362
71380rcu_preempt0-21swapper/319:17:283
71380rcu_preempt0-21swapper/319:17:283
71380rcu_preempt0-21swapper/319:17:283
71380rcu_preempt0-21swapper/223:44:492
71380rcu_preempt0-21swapper/223:44:492
71380rcu_preempt0-21swapper/223:44:492
71380rcu_preempt0-21swapper/223:44:492
71380rcu_preempt0-21swapper/223:12:562
71380rcu_preempt0-21swapper/223:12:562
71380rcu_preempt0-21swapper/223:12:562
71380rcu_preempt0-21swapper/220:27:472
71380rcu_preempt0-21swapper/220:27:472
71380rcu_preempt0-21swapper/100:24:461
71380rcu_preempt0-21swapper/100:24:461
71380rcu_preempt0-21swapper/100:24:461
71370rcu_preempt2772-21sh22:09:523
71370rcu_preempt2772-21sh22:09:523
71370rcu_preempt2772-21sh22:09:523
71370rcu_preempt12599-21sh00:24:193
71370rcu_preempt12599-21sh00:24:193
71370rcu_preempt12599-21sh00:24:193
71370rcu_preempt0-21swapper/322:41:533
71370rcu_preempt0-21swapper/322:41:533
71370rcu_preempt0-21swapper/322:29:583
71370rcu_preempt0-21swapper/322:29:583
71370rcu_preempt0-21swapper/322:29:583
71370rcu_preempt0-21swapper/223:33:402
71370rcu_preempt0-21swapper/223:33:402
71370rcu_preempt0-21swapper/223:30:442
71370rcu_preempt0-21swapper/223:30:442
71370rcu_preempt0-21swapper/223:27:252
71370rcu_preempt0-21swapper/223:27:252
71370rcu_preempt0-21swapper/223:09:192
71370rcu_preempt0-21swapper/223:09:192
71370rcu_preempt0-21swapper/222:28:532
71370rcu_preempt0-21swapper/222:28:532
71370rcu_preempt0-21swapper/222:28:532
71370rcu_preempt0-21swapper/221:59:312
71370rcu_preempt0-21swapper/221:59:312
71370rcu_preempt0-21swapper/219:32:382
71370rcu_preempt0-21swapper/219:32:382
71370rcu_preempt0-21swapper/200:28:182
71370rcu_preempt0-21swapper/200:28:182
71370rcu_preempt0-21swapper/200:10:112
71370rcu_preempt0-21swapper/200:10:112
71370rcu_preempt0-21swapper/200:10:112
71370rcu_preempt0-21swapper/122:32:281
71370rcu_preempt0-21swapper/122:32:281
71370rcu_preempt0-21swapper/119:16:001
71370rcu_preempt0-21swapper/119:16:001
71370rcu_preempt0-21swapper/020:46:220
71370rcu_preempt0-21swapper/020:46:220
71370rcu_preempt0-21swapper/020:46:220
46250370irq/120-QManpo589-2110:48:551
46250370irq/120-QManpo589-2110:48:551
71360rcu_preempt7361-21apt-get23:17:311
71360rcu_preempt7361-21apt-get23:17:311
71360rcu_preempt7361-21apt-get23:17:311
71360rcu_preempt7228-21ssh22:17:452
71360rcu_preempt7228-21ssh22:17:452
71360rcu_preempt4914-1kworker/1:0H22:17:421
71360rcu_preempt4914-1kworker/1:0H22:17:421
71360rcu_preempt25156-21kworker/u8:019:17:321
71360rcu_preempt25156-21kworker/u8:019:17:321
71360rcu_preempt25156-21kworker/u8:019:17:321
71360rcu_preempt19320-1kworker/1:1H23:40:031
71360rcu_preempt19320-1kworker/1:1H23:40:031
71360rcu_preempt19320-1kworker/1:1H23:40:031
71360rcu_preempt0-21swapper/323:51:203
71360rcu_preempt0-21swapper/323:51:203
71360rcu_preempt0-21swapper/323:27:283
71360rcu_preempt0-21swapper/323:27:283
71360rcu_preempt0-21swapper/323:24:093
71360rcu_preempt0-21swapper/323:24:093
71360rcu_preempt0-21swapper/323:24:093
71360rcu_preempt0-21swapper/323:07:183
71360rcu_preempt0-21swapper/323:07:183
71360rcu_preempt0-21swapper/323:07:183
71360rcu_preempt0-21swapper/322:52:283
71360rcu_preempt0-21swapper/322:52:283
71360rcu_preempt0-21swapper/322:33:173
71360rcu_preempt0-21swapper/322:33:173
71360rcu_preempt0-21swapper/322:15:273
71360rcu_preempt0-21swapper/322:15:273
71360rcu_preempt0-21swapper/322:15:273
71360rcu_preempt0-21swapper/321:22:293
71360rcu_preempt0-21swapper/321:22:293
71360rcu_preempt0-21swapper/300:31:063
71360rcu_preempt0-21swapper/300:31:063
71360rcu_preempt0-21swapper/223:48:362
71360rcu_preempt0-21swapper/223:48:362
71360rcu_preempt0-21swapper/222:57:192
71360rcu_preempt0-21swapper/222:57:192
71360rcu_preempt0-21swapper/222:50:492
71360rcu_preempt0-21swapper/222:50:492
71360rcu_preempt0-21swapper/222:50:492
71360rcu_preempt0-21swapper/222:13:262
71360rcu_preempt0-21swapper/222:13:262
71360rcu_preempt0-21swapper/222:13:262
71360rcu_preempt0-21swapper/221:36:242
71360rcu_preempt0-21swapper/221:36:242
71360rcu_preempt0-21swapper/221:31:442
71360rcu_preempt0-21swapper/221:31:442
71360rcu_preempt0-21swapper/221:13:262
71360rcu_preempt0-21swapper/221:13:262
71360rcu_preempt0-21swapper/220:25:562
71360rcu_preempt0-21swapper/220:25:562
71360rcu_preempt0-21swapper/219:37:362
71360rcu_preempt0-21swapper/219:37:362
71360rcu_preempt0-21swapper/200:17:412
71360rcu_preempt0-21swapper/200:17:412
71360rcu_preempt0-21swapper/200:02:552
71360rcu_preempt0-21swapper/200:02:552
71360rcu_preempt0-21swapper/122:42:291
71360rcu_preempt0-21swapper/122:42:291
71360rcu_preempt0-21swapper/122:17:211
71360rcu_preempt0-21swapper/122:17:211
71360rcu_preempt0-21swapper/122:17:211
71360rcu_preempt0-21swapper/121:17:181
71360rcu_preempt0-21swapper/121:17:181
1835993628cyclictest3125-21munin-run19:17:170
1835993628cyclictest3125-21munin-run19:17:170
71350rcu_preempt7220-1kworker/3:1H23:17:403
71350rcu_preempt7220-1kworker/3:1H23:17:403
71350rcu_preempt7220-1kworker/3:1H23:17:403
71350rcu_preempt21229-21copy20:22:281
71350rcu_preempt21229-21copy20:22:281
71350rcu_preempt21164-21sendmail-msp23:50:311
71350rcu_preempt21164-21sendmail-msp23:50:311
71350rcu_preempt20437-21kworker/2:021:41:502
71350rcu_preempt20437-21kworker/2:021:41:502
71350rcu_preempt13751-1kworker/1:2H20:07:391
71350rcu_preempt13751-1kworker/1:2H20:07:391
71350rcu_preempt10966-21sendmail-msp00:29:521
71350rcu_preempt10966-21sendmail-msp00:29:521
71350rcu_preempt0-21swapper/323:45:073
71350rcu_preempt0-21swapper/323:45:073
71350rcu_preempt0-21swapper/323:45:073
71350rcu_preempt0-21swapper/323:45:073
71350rcu_preempt0-21swapper/323:40:243
71350rcu_preempt0-21swapper/323:40:243
71350rcu_preempt0-21swapper/323:40:243
71350rcu_preempt0-21swapper/322:58:353
71350rcu_preempt0-21swapper/322:58:353
71350rcu_preempt0-21swapper/322:58:353
71350rcu_preempt0-21swapper/322:46:533
71350rcu_preempt0-21swapper/322:46:533
71350rcu_preempt0-21swapper/300:18:443
71350rcu_preempt0-21swapper/300:18:443
71350rcu_preempt0-21swapper/300:11:213
71350rcu_preempt0-21swapper/300:11:213
71350rcu_preempt0-21swapper/300:11:213
71350rcu_preempt0-21swapper/223:57:252
71350rcu_preempt0-21swapper/223:57:252
71350rcu_preempt0-21swapper/223:26:472
71350rcu_preempt0-21swapper/223:00:412
71350rcu_preempt0-21swapper/223:00:412
71350rcu_preempt0-21swapper/223:00:412
71350rcu_preempt0-21swapper/222:38:052
71350rcu_preempt0-21swapper/222:38:052
71350rcu_preempt0-21swapper/222:33:002
71350rcu_preempt0-21swapper/222:33:002
71350rcu_preempt0-21swapper/222:08:082
71350rcu_preempt0-21swapper/222:08:082
71350rcu_preempt0-21swapper/222:08:082
71350rcu_preempt0-21swapper/221:48:172
71350rcu_preempt0-21swapper/221:48:172
71350rcu_preempt0-21swapper/221:25:012
71350rcu_preempt0-21swapper/221:25:012
71350rcu_preempt0-21swapper/220:46:362
71350rcu_preempt0-21swapper/220:46:362
71350rcu_preempt0-21swapper/220:46:362
71350rcu_preempt0-21swapper/220:07:472
71350rcu_preempt0-21swapper/220:07:472
71350rcu_preempt0-21swapper/219:42:362
71350rcu_preempt0-21swapper/219:42:362
71350rcu_preempt0-21swapper/219:42:362
71350rcu_preempt0-21swapper/200:40:402
71350rcu_preempt0-21swapper/200:40:402
71350rcu_preempt0-21swapper/122:52:461
71350rcu_preempt0-21swapper/122:52:461
71350rcu_preempt0-21swapper/120:06:161
71350rcu_preempt0-21swapper/120:06:161
71350rcu_preempt0-21swapper/120:06:161
71350rcu_preempt0-21swapper/119:43:251
71350rcu_preempt0-21swapper/119:43:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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