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2026-06-15 - 00:00
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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 Jun 14, 2026 12:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71640rcu_preempt0-21swapper/210:03:502
71640rcu_preempt0-21swapper/210:03:502
71640rcu_preempt0-21swapper/210:03:502
9550994723cyclictest1959-21runrttasks08:43:270
9550994723cyclictest1959-21runrttasks08:43:270
71460rcu_preempt0-21swapper/112:33:481
71460rcu_preempt0-21swapper/112:33:481
71460rcu_preempt0-21swapper/112:33:481
9550994515cyclictest0-21swapper/009:34:250
9550994515cyclictest0-21swapper/009:34:250
9550994515cyclictest0-21swapper/009:34:250
9550994423cyclictest6807-21df10:08:420
9550994423cyclictest6807-21df10:08:420
9550994423cyclictest6807-21df10:08:420
9550994418cyclictest6066-1kworker/0:2H08:58:350
9550994418cyclictest6066-1kworker/0:2H08:58:350
9550994413cyclictest0-21swapper/007:43:380
9550994413cyclictest0-21swapper/007:43:380
9550994322cyclictest23787-21diskstats11:43:400
9550994322cyclictest23787-21diskstats11:43:400
9550994322cyclictest12296-21ntp_states10:18:470
9550994322cyclictest12296-21ntp_states10:18:470
9550994321cyclictest17391-21diskstats10:28:420
9550994321cyclictest17391-21diskstats10:28:420
9550994321cyclictest17391-21diskstats10:28:420
9550994321cyclictest1324-21apt-get12:03:350
9550994321cyclictest1324-21apt-get12:03:350
9550994319cyclictest0-21swapper/012:23:280
9550994319cyclictest0-21swapper/012:23:280
71430rcu_preempt5777-21sh12:11:520
71430rcu_preempt5777-21sh12:11:520
71430rcu_preempt5777-21sh12:11:520
71430rcu_preempt0-21swapper/111:01:171
71430rcu_preempt0-21swapper/111:01:171
71430rcu_preempt0-21swapper/111:01:171
71430rcu_preempt0-21swapper/007:13:460
71430rcu_preempt0-21swapper/007:13:460
46050430irq/122-QManpo9397-210
46050430irq/122-QManpo9397-210
9550994222cyclictest26878-21grep09:43:510
9550994222cyclictest26878-21grep09:43:510
9550994222cyclictest24788-21/usr/sbin/munin10:43:370
9550994222cyclictest24788-21/usr/sbin/munin10:43:370
9550994222cyclictest24788-21/usr/sbin/munin10:43:370
9550994222cyclictest15624-21ntp_states07:33:490
9550994222cyclictest15624-21ntp_states07:33:490
9550994222cyclictest15624-21ntp_states07:33:490
9550994221cyclictest22198-21/usr/sbin/munin10:38:390
9550994221cyclictest22198-21/usr/sbin/munin10:38:390
9550994221cyclictest18206-21ssh12:35:110
9550994221cyclictest18206-21ssh12:35:110
9550994221cyclictest18206-21ssh12:35:110
9550994221cyclictest15300-21users12:28:580
9550994221cyclictest15300-21users12:28:580
9550994221cyclictest15300-21users12:28:580
9550994219cyclictest30432-21/usr/sbin/munin08:28:440
9550994219cyclictest30432-21/usr/sbin/munin08:28:440
9550994219cyclictest30432-21/usr/sbin/munin08:28:440
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994219cyclictest16468-1unixbench_multi09:23:550
9550994218cyclictest32425-21apt-get10:58:330
9550994218cyclictest32425-21apt-get10:58:330
9550994218cyclictest32425-21apt-get10:58:330
71420rcu_preempt0-21swapper/209:13:282
71420rcu_preempt0-21swapper/209:13:282
71420rcu_preempt0-21swapper/011:09:330
71420rcu_preempt0-21swapper/011:09:330
9550994133cyclictest11553-21munin-run10:18:240
9550994133cyclictest11553-21munin-run10:18:240
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994122cyclictest13162-21/usr/sbin/munin09:18:460
9550994121cyclictest6209-21taskset08:58:100
9550994121cyclictest6209-21taskset08:58:100
9550994121cyclictest6209-21taskset08:58:100
9550994121cyclictest28810-21df11:53:370
9550994121cyclictest28810-21df11:53:370
9550994121cyclictest28810-21df11:53:370
9550994121cyclictest21178-21ntp_states07:53:480
9550994121cyclictest21178-21ntp_states07:53:480
9550994121cyclictest12187-21munin-run07:23:230
9550994121cyclictest12187-21munin-run07:23:230
9550994120cyclictest29141-21chrt08:23:370
9550994120cyclictest29141-21chrt08:23:370
9550994120cyclictest1959-21runrttasks07:32:550
9550994120cyclictest1959-21runrttasks07:32:550
9550994120cyclictest11983-21df12:23:380
9550994120cyclictest11983-21df12:23:380
9550994120cyclictest11983-21df12:23:380
9550994119cyclictest19831-21ssh12:38:460
9550994119cyclictest19831-21ssh12:38:460
9550994119cyclictest19831-21ssh12:38:460
9550994119cyclictest16085-21grep11:28:480
9550994119cyclictest16085-21grep11:28:480
9550994117cyclictest0-21swapper/012:13:390
9550994117cyclictest0-21swapper/012:13:390
9550994115cyclictest31836-21aten_r4power_cu08:33:360
9550994115cyclictest31836-21aten_r4power_cu08:33:360
9550994021cyclictest2619-21memory08:43:460
9550994021cyclictest2619-21memory08:43:460
9550994021cyclictest2619-21memory08:43:460
9550994021cyclictest15017-21meminfo10:23:460
9550994021cyclictest15017-21meminfo10:23:460
9550994021cyclictest15017-21meminfo10:23:460
9550994020cyclictest4467-21users08:48:520
9550994020cyclictest4467-21users08:48:520
9550994020cyclictest26258-21apt-get08:13:360
9550994020cyclictest26258-21apt-get08:13:360
9550994020cyclictest26067-21sendmail-msp09:58:530
9550994020cyclictest26067-21sendmail-msp09:58:530
9550994020cyclictest26067-21sendmail-msp09:58:530
9550994019cyclictest8030-21/usr/sbin/munin09:03:400
9550994019cyclictest8030-21/usr/sbin/munin09:03:400
9550994019cyclictest2803-21aten_r4power_cu11:03:350
9550994019cyclictest2803-21aten_r4power_cu11:03:350
9550994019cyclictest22565-21ntp_states07:58:490
9550994019cyclictest22565-21ntp_states07:58:490
9550994019cyclictest22565-21ntp_states07:58:490
9550994019cyclictest1958-21snmpd09:33:210
9550994019cyclictest1958-21snmpd09:33:210
9550994019cyclictest1958-21snmpd09:33:210
9550994019cyclictest17886-21date07:43:290
9550994018cyclictest0-21swapper/011:13:430
9550994018cyclictest0-21swapper/011:13:430
9550994018cyclictest0-21swapper/011:13:430
9550994018cyclictest0-21swapper/008:18:510
9550994018cyclictest0-21swapper/008:18:510
9550994017cyclictest0-21swapper/009:13:500
9550994017cyclictest0-21swapper/009:13:500
9550994017cyclictest0-21swapper/009:13:500
9550994016cyclictest0-21swapper/011:23:350
9550994016cyclictest0-21swapper/011:23:350
9550994016cyclictest0-21swapper/011:23:350
9550994016cyclictest0-21swapper/010:54:140
9550994016cyclictest0-21swapper/010:54:140
71400rcu_preempt0-21swapper/109:43:061
71400rcu_preempt0-21swapper/109:43:061
71400rcu_preempt0-21swapper/108:08:351
71400rcu_preempt0-21swapper/108:08:351
71400rcu_preempt0-21swapper/009:50:390
71400rcu_preempt0-21swapper/009:50:390
71400rcu_preempt0-21swapper/009:50:390
9550993924cyclictest1959-21runrttasks11:40:110
9550993924cyclictest1959-21runrttasks11:40:110
9550993922cyclictest26068-21/usr/sbin/munin11:48:480
9550993922cyclictest26068-21/usr/sbin/munin11:48:480
9550993922cyclictest26068-21/usr/sbin/munin11:48:480
9550993921cyclictest24323-21users08:03:560
9550993921cyclictest24323-21users08:03:560
9550993920cyclictest10999-21ntp_states11:18:490
9550993920cyclictest10999-21ntp_states11:18:490
9550993919cyclictest23238-21apt-get09:38:500
9550993919cyclictest23238-21apt-get09:38:500
9550993919cyclictest16800-21irqstats07:38:420
9550993917cyclictest0-21swapper/011:58:380
9550993917cyclictest0-21swapper/011:58:380
9550993917cyclictest0-21swapper/011:58:380
9550993917cyclictest0-21swapper/010:03:440
9550993917cyclictest0-21swapper/010:03:440
9550993917cyclictest0-21swapper/010:03:440
9550993915cyclictest0-21swapper/010:48:370
9550993915cyclictest0-21swapper/010:48:370
9550993915cyclictest0-21swapper/009:57:310
9550993915cyclictest0-21swapper/009:57:310
9550993915cyclictest0-21swapper/009:57:310
71390rcu_preempt5791-1grep08:53:512
71390rcu_preempt5791-1grep08:53:512
71390rcu_preempt5791-1grep08:53:512
71390rcu_preempt5387-1kworker/1:0H10:09:221
71390rcu_preempt5387-1kworker/1:0H10:09:221
71390rcu_preempt5387-1kworker/1:0H10:09:221
71390rcu_preempt376-21192.168.115.40-08:35:492
71390rcu_preempt376-21192.168.115.40-08:35:492
71390rcu_preempt2299migration/210:38:342
71390rcu_preempt2299migration/210:38:342
9550993819cyclictest24988-21/usr/sbin/munin08:08:390
9550993819cyclictest24988-21/usr/sbin/munin08:08:390
9550993817cyclictest1958-21snmpd07:23:490
9550993817cyclictest1958-21snmpd07:23:490
9550993817cyclictest1958-21snmpd07:23:490
9550993816cyclictest0-21swapper/011:33:440
9550993816cyclictest0-21swapper/011:33:440
9550993816cyclictest0-21swapper/011:33:440
9550993816cyclictest0-21swapper/010:33:390
9550993816cyclictest0-21swapper/010:33:390
9550993816cyclictest0-21swapper/010:33:390
71380rcu_preempt15318-21/usr/sbin/munin10:23:522
71380rcu_preempt15318-21/usr/sbin/munin10:23:522
71380rcu_preempt15318-21/usr/sbin/munin10:23:522
71380rcu_preempt0-21swapper/212:33:382
71380rcu_preempt0-21swapper/212:33:382
71380rcu_preempt0-21swapper/212:33:382
71380rcu_preempt0-21swapper/212:32:192
71380rcu_preempt0-21swapper/212:32:192
71380rcu_preempt0-21swapper/212:32:192
71380rcu_preempt0-21swapper/211:28:292
71380rcu_preempt0-21swapper/211:28:292
71380rcu_preempt0-21swapper/211:28:292
71380rcu_preempt0-21swapper/209:51:292
71380rcu_preempt0-21swapper/209:51:292
71380rcu_preempt0-21swapper/209:51:292
9550993719cyclictest19518-21df_inode07:48:390
9550993719cyclictest19518-21df_inode07:48:390
9550993718cyclictest9606-21meminfo09:08:450
9550993718cyclictest9606-21meminfo09:08:450
71370rcu_preempt3953-21copy10:03:282
71370rcu_preempt3953-21copy10:03:282
71370rcu_preempt3953-21copy10:03:282
71370rcu_preempt20988-1sh12:41:012
71370rcu_preempt20988-1sh12:41:012
71370rcu_preempt20988-1sh12:41:012
71370rcu_preempt0-21swapper/209:41:122
71370rcu_preempt0-21swapper/209:41:122
71370rcu_preempt0-21swapper/110:50:311
71370rcu_preempt0-21swapper/110:50:311
71370rcu_preempt0-21swapper/109:11:301
71370rcu_preempt0-21swapper/109:11:301
46450370irq/118-QManpo9545-2110:48:552
46450370irq/118-QManpo9545-2110:48:552
71360rcu_preempt5313-21ssh12:10:232
71360rcu_preempt5313-21ssh12:10:232
71360rcu_preempt5313-21ssh12:10:232
71360rcu_preempt2612-21sendmail-msp11:15:122
71360rcu_preempt2612-21sendmail-msp11:15:122
71360rcu_preempt2612-21sendmail-msp11:15:122
71360rcu_preempt25876-1kworker/1:2H11:54:521
71360rcu_preempt25876-1kworker/1:2H11:54:521
71360rcu_preempt25876-1kworker/1:2H11:54:521
71360rcu_preempt16948-21sh10:28:241
71360rcu_preempt16948-21sh10:28:241
71360rcu_preempt16948-21sh10:28:241
71360rcu_preempt0-21swapper/211:54:532
71360rcu_preempt0-21swapper/211:54:532
71360rcu_preempt0-21swapper/211:54:532
71360rcu_preempt0-21swapper/211:37:002
71360rcu_preempt0-21swapper/211:37:002
71360rcu_preempt0-21swapper/211:37:002
71360rcu_preempt0-21swapper/209:37:552
71360rcu_preempt0-21swapper/209:37:552
71360rcu_preempt0-21swapper/209:37:552
71360rcu_preempt0-21swapper/209:27:142
71360rcu_preempt0-21swapper/209:27:142
71360rcu_preempt0-21swapper/209:27:142
71360rcu_preempt0-21swapper/209:27:142
71360rcu_preempt0-21swapper/209:23:052
71360rcu_preempt0-21swapper/209:23:052
71360rcu_preempt0-21swapper/209:23:052
71360rcu_preempt0-21swapper/209:23:052
71360rcu_preempt0-21swapper/112:18:331
71360rcu_preempt0-21swapper/112:18:331
71360rcu_preempt0-21swapper/111:30:111
71360rcu_preempt0-21swapper/111:30:111
71360rcu_preempt0-21swapper/111:28:151
71360rcu_preempt0-21swapper/111:28:151
71360rcu_preempt0-21swapper/111:28:151
71360rcu_preempt0-21swapper/110:29:141
71360rcu_preempt0-21swapper/110:29:141
71360rcu_preempt0-21swapper/110:29:141
71360rcu_preempt0-21swapper/109:43:331
71360rcu_preempt0-21swapper/109:43:331
71360rcu_preempt0-21swapper/107:38:451
71360rcu_preempt0-21swapper/107:38:451
71360rcu_preempt0-21swapper/107:26:411
71360rcu_preempt0-21swapper/107:26:411
71360rcu_preempt0-21swapper/107:26:411
46450360irq/118-QManpo0-2110:48:552
46450360irq/118-QManpo0-2110:48:552
46250360irq/120-QManpo0-2110:48:551
46250360irq/120-QManpo0-2110:48:551
71350rcu_preempt32459-21runrttasks11:59:572
71350rcu_preempt32459-21runrttasks11:59:572
71350rcu_preempt32459-21runrttasks11:59:572
71350rcu_preempt20571-21latency_hist07:53:262
71350rcu_preempt20571-21latency_hist07:53:262
71350rcu_preempt1959-21runrttasks07:30:511
71350rcu_preempt1959-21runrttasks07:30:511
71350rcu_preempt13365-21ssh12:25:521
71350rcu_preempt13365-21ssh12:25:521
71350rcu_preempt13365-21ssh12:25:521
71350rcu_preempt0-21swapper/311:33:323
71350rcu_preempt0-21swapper/212:24:542
71350rcu_preempt0-21swapper/212:24:542
71350rcu_preempt0-21swapper/212:24:542
71350rcu_preempt0-21swapper/211:32:382
71350rcu_preempt0-21swapper/211:32:382
71350rcu_preempt0-21swapper/210:56:152
71350rcu_preempt0-21swapper/210:56:152
71350rcu_preempt0-21swapper/210:31:292
71350rcu_preempt0-21swapper/210:31:292
71350rcu_preempt0-21swapper/210:31:292
71350rcu_preempt0-21swapper/210:13:052
71350rcu_preempt0-21swapper/210:13:052
71350rcu_preempt0-21swapper/210:13:052
71350rcu_preempt0-21swapper/209:57:382
71350rcu_preempt0-21swapper/209:57:382
71350rcu_preempt0-21swapper/209:57:382
71350rcu_preempt0-21swapper/208:39:002
71350rcu_preempt0-21swapper/208:39:002
71350rcu_preempt0-21swapper/207:47:142
71350rcu_preempt0-21swapper/207:47:142
71350rcu_preempt0-21swapper/207:38:522
71350rcu_preempt0-21swapper/207:38:522
71350rcu_preempt0-21swapper/112:29:441
71350rcu_preempt0-21swapper/112:29:441
71350rcu_preempt0-21swapper/112:29:441
71350rcu_preempt0-21swapper/112:10:211
71350rcu_preempt0-21swapper/112:10:211
71350rcu_preempt0-21swapper/112:10:211
71350rcu_preempt0-21swapper/112:03:521
71350rcu_preempt0-21swapper/112:03:521
71350rcu_preempt0-21swapper/111:52:201
71350rcu_preempt0-21swapper/111:52:201
71350rcu_preempt0-21swapper/111:52:201
71350rcu_preempt0-21swapper/111:46:441
71350rcu_preempt0-21swapper/111:46:441
71350rcu_preempt0-21swapper/111:38:461
71350rcu_preempt0-21swapper/111:38:461
71350rcu_preempt0-21swapper/111:23:011
71350rcu_preempt0-21swapper/111:23:011
71350rcu_preempt0-21swapper/111:07:541
71350rcu_preempt0-21swapper/111:07:541
71350rcu_preempt0-21swapper/110:39:441
71350rcu_preempt0-21swapper/110:39:441
71350rcu_preempt0-21swapper/110:08:281
71350rcu_preempt0-21swapper/110:08:281
71350rcu_preempt0-21swapper/110:08:281
71350rcu_preempt0-21swapper/109:06:381
71350rcu_preempt0-21swapper/109:06:381
71350rcu_preempt0-21swapper/108:17:541
71350rcu_preempt0-21swapper/108:17:541
71350rcu_preempt0-21swapper/107:51:411
71350rcu_preempt0-21swapper/107:51:411
71340rcu_preempt0-21swapper/312:09:023
71340rcu_preempt0-21swapper/312:09:023
71340rcu_preempt0-21swapper/312:09:023
71340rcu_preempt0-21swapper/210:50:162
71340rcu_preempt0-21swapper/210:50:162
71340rcu_preempt0-21swapper/210:18:492
71340rcu_preempt0-21swapper/210:18:492
71340rcu_preempt0-21swapper/208:16:122
71340rcu_preempt0-21swapper/208:16:122
71340rcu_preempt0-21swapper/207:58:332
71340rcu_preempt0-21swapper/207:58:332
71340rcu_preempt0-21swapper/207:58:332
71340rcu_preempt0-21swapper/112:38:391
71340rcu_preempt0-21swapper/112:38:391
71340rcu_preempt0-21swapper/112:38:391
71340rcu_preempt0-21swapper/112:13:331
71340rcu_preempt0-21swapper/112:13:331
71340rcu_preempt0-21swapper/110:55:391
71340rcu_preempt0-21swapper/110:55:391
71340rcu_preempt0-21swapper/109:59:151
71340rcu_preempt0-21swapper/109:59:151
71340rcu_preempt0-21swapper/109:59:151
71340rcu_preempt0-21swapper/109:58:251
71340rcu_preempt0-21swapper/109:58:251
71340rcu_preempt0-21swapper/109:58:251
71340rcu_preempt0-21swapper/108:49:321
71340rcu_preempt0-21swapper/108:49:321
71340rcu_preempt0-21swapper/108:44:311
71340rcu_preempt0-21swapper/108:44:311
71340rcu_preempt0-21swapper/108:44:311
71340rcu_preempt0-21swapper/108:36:081
71340rcu_preempt0-21swapper/108:36:081
46650340irq/116-QManpo0-2110:48:553
46650340irq/116-QManpo0-2110:48:553
71330rcu_preempt9545-21cyclictest08:58:091
71330rcu_preempt9545-21cyclictest08:58:091
71330rcu_preempt9545-21cyclictest08:58:091
71330rcu_preempt2612-21sendmail-msp11:19:292
71330rcu_preempt2612-21sendmail-msp11:19:292
71330rcu_preempt17626-21ssh09:27:391
71330rcu_preempt17626-21ssh09:27:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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