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2026-06-02 - 20:37
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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 Tue Jun 02, 2026 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110862630chrt46050irq/122-QMan10:48:550
110862630chrt46050irq/122-QMan10:48:550
110862630chrt46050irq/122-QMan10:48:550
71510rcu_preempt0-21swapper/307:18:203
71510rcu_preempt0-21swapper/307:18:203
71500rcu_preempt0-21swapper/309:56:153
71500rcu_preempt0-21swapper/309:56:153
71500rcu_preempt0-21swapper/309:56:153
2818699492cyclictest4533-21sshd12:34:372
2818699492cyclictest4533-21sshd12:34:372
2818699482cyclictest1959-21runrttasks09:49:532
2818699482cyclictest1959-21runrttasks09:49:532
2818699482cyclictest1959-21runrttasks09:49:532
2818699482cyclictest1959-21runrttasks09:49:532
2818699481cyclictest20704-21sendmail-msp08:51:592
2818699481cyclictest20704-21sendmail-msp08:51:592
2818699481cyclictest20704-21sendmail-msp08:51:592
2818699471cyclictest32334-21sendmail-msp10:24:422
2818699471cyclictest32334-21sendmail-msp10:24:422
2818699471cyclictest32334-21sendmail-msp10:24:422
71460rcu_preempt1590-21runrttasks10:25:243
71460rcu_preempt1590-21runrttasks10:25:243
71460rcu_preempt1590-21runrttasks10:25:243
71460rcu_preempt0-21swapper/112:23:291
71460rcu_preempt0-21swapper/112:23:291
71460rcu_preempt0-21swapper/112:23:291
71460rcu_preempt0-21swapper/009:41:320
71460rcu_preempt0-21swapper/009:41:320
71460rcu_preempt0-21swapper/009:41:320
71460rcu_preempt0-21swapper/009:41:320
46050460irq/122-QManpo28046-2110:48:550
46050460irq/122-QManpo28046-2110:48:550
46050460irq/122-QManpo28046-2110:48:550
28188994517cyclictest0-21swapper/312:20:093
28188994517cyclictest0-21swapper/312:20:093
28188994517cyclictest0-21swapper/312:20:093
28188994515cyclictest1985-21sendmail-msp09:48:493
28188994515cyclictest1985-21sendmail-msp09:48:493
28188994515cyclictest1985-21sendmail-msp09:48:493
28188994515cyclictest1985-21sendmail-msp09:48:493
2818699452cyclictest9742-21apt-get11:43:232
2818699452cyclictest9742-21apt-get11:43:232
2818699452cyclictest30620-21/usr/sbin/munin12:23:232
2818699452cyclictest30620-21/usr/sbin/munin12:23:232
2818699452cyclictest30620-21/usr/sbin/munin12:23:232
28188994413cyclictest0-21swapper/310:14:593
28188994413cyclictest0-21swapper/310:14:593
2818699443cyclictest4662-21ntp_states07:43:362
2818699443cyclictest4662-21ntp_states07:43:362
2818699443cyclictest17659-21irqstats11:58:322
2818699443cyclictest17659-21irqstats11:58:322
2818699442cyclictest5800-21ntp_states10:33:362
2818699442cyclictest5800-21ntp_states10:33:362
2818699442cyclictest5800-21ntp_states10:33:362
2818699442cyclictest17404-21ntp_states09:53:392
2818699442cyclictest17404-21ntp_states09:53:392
2818699442cyclictest17404-21ntp_states09:53:392
2818699441cyclictest16903-21df_inode08:28:272
2818699441cyclictest16903-21df_inode08:28:272
2818699441cyclictest16903-21df_inode08:28:272
28188994333cyclictest22400-21apt-get12:08:223
28188994333cyclictest22400-21apt-get12:08:223
28188994318cyclictest31389-21/usr/sbin/munin11:23:383
28188994318cyclictest31389-21/usr/sbin/munin11:23:383
28188994318cyclictest31389-21/usr/sbin/munin11:23:383
28188994313cyclictest0-21swapper/309:26:133
28188994313cyclictest0-21swapper/309:26:133
2818699432cyclictest21026-21sendmail-msp11:13:352
2818699432cyclictest21026-21sendmail-msp11:13:352
2818699432cyclictest21026-21sendmail-msp11:13:352
71420rcu_preempt0-21swapper/011:53:360
71420rcu_preempt0-21swapper/011:53:360
71420rcu_preempt0-21swapper/011:53:360
71420rcu_preempt0-21swapper/011:36:450
71420rcu_preempt0-21swapper/011:36:450
71420rcu_preempt0-21swapper/011:08:120
71420rcu_preempt0-21swapper/011:08:120
71420rcu_preempt0-21swapper/011:08:120
28188994212cyclictest0-21swapper/309:32:023
28188994212cyclictest0-21swapper/309:32:023
28188994212cyclictest0-21swapper/309:32:023
2818699424cyclictest0-21swapper/210:43:262
2818699424cyclictest0-21swapper/210:43:262
2818699424cyclictest0-21swapper/210:43:262
2818699424cyclictest0-21swapper/210:08:242
2818699424cyclictest0-21swapper/210:08:242
2818699423cyclictest14962-21df11:53:252
2818699423cyclictest14962-21df11:53:252
2818699423cyclictest14962-21df11:53:252
2818699423cyclictest0-21swapper/208:03:422
2818699423cyclictest0-21swapper/208:03:422
2818699423cyclictest0-21swapper/208:03:422
2818699422cyclictest6777-21users12:38:432
2818699422cyclictest6777-21users12:38:432
2818699422cyclictest23864-21df_inode08:53:272
2818699422cyclictest23864-21df_inode08:53:272
2818699422cyclictest1878-21ntp_states07:33:352
2818699422cyclictest1878-21ntp_states07:33:352
2818699421cyclictest28833-21find07:13:402
2818699421cyclictest28833-21find07:13:402
71410rcu_preempt10995-1kworker/2:3H11:48:342
71410rcu_preempt10995-1kworker/2:3H11:48:342
71410rcu_preempt10995-1kworker/2:3H11:48:342
71410rcu_preempt0-21swapper/010:53:130
71410rcu_preempt0-21swapper/010:53:130
28188994122cyclictest21022-21munin-run11:03:113
28188994122cyclictest21022-21munin-run11:03:113
28188994122cyclictest21022-21munin-run11:03:113
28188994118cyclictest30780-21cpu12:23:243
28188994118cyclictest30780-21cpu12:23:243
28188994118cyclictest30780-21cpu12:23:243
28188994118cyclictest0-21swapper/312:39:393
28188994118cyclictest0-21swapper/312:39:393
28188994114cyclictest12606-21ntp_states09:43:393
28188994114cyclictest12606-21ntp_states09:43:393
28188994114cyclictest12606-21ntp_states09:43:393
28188994114cyclictest12606-21ntp_states09:43:393
2818699413cyclictest7459-21df_inode09:33:272
2818699413cyclictest7459-21df_inode09:33:272
2818699413cyclictest7459-21df_inode09:33:272
2818699413cyclictest5273-21ntp_states09:28:362
2818699413cyclictest5273-21ntp_states09:28:362
2818699413cyclictest5273-21ntp_states09:28:362
2818699413cyclictest0-21swapper/212:29:542
2818699413cyclictest0-21swapper/212:29:542
2818699413cyclictest0-21swapper/212:29:542
2818699413cyclictest0-21swapper/212:29:542
2818699413cyclictest0-21swapper/211:03:192
2818699413cyclictest0-21swapper/211:03:192
2818699413cyclictest0-21swapper/211:03:192
2818699412cyclictest4020-21munin-run07:43:112
2818699412cyclictest4020-21munin-run07:43:112
2818699412cyclictest4020-21munin-run07:43:112
2818699412cyclictest30436-21munin-run12:23:112
2818699412cyclictest30436-21munin-run12:23:112
2818699412cyclictest30436-21munin-run12:23:112
2818699411cyclictest15282-21apt-get08:23:202
2818699411cyclictest15282-21apt-get08:23:202
28186994110cyclictest20081-21grep09:58:442
28186994110cyclictest20081-21grep09:58:442
28186994110cyclictest20081-21grep09:58:442
71400rcu_preempt4151-21apt-get11:33:232
71400rcu_preempt4151-21apt-get11:33:232
71400rcu_preempt0-21swapper/307:28:373
71400rcu_preempt0-21swapper/307:28:373
71400rcu_preempt0-21swapper/307:28:373
71400rcu_preempt0-21swapper/012:07:530
71400rcu_preempt0-21swapper/012:07:530
28188994021cyclictest13396-21meminfo10:48:353
28188994021cyclictest13396-21meminfo10:48:353
28188994020cyclictest8252-21meminfo10:38:343
28188994020cyclictest8252-21meminfo10:38:343
28188994020cyclictest6783-21munin-run07:53:103
28188994020cyclictest6783-21munin-run07:53:103
28188994018cyclictest14881-21cut11:53:243
28188994018cyclictest14881-21cut11:53:243
28188994018cyclictest14881-21cut11:53:243
28188994018cyclictest0-21swapper/309:08:103
28188994018cyclictest0-21swapper/309:08:103
28188994018cyclictest0-21swapper/307:38:343
28188994018cyclictest0-21swapper/307:38:343
28188994018cyclictest0-21swapper/307:38:343
28188994017cyclictest0-21swapper/310:08:373
28188994017cyclictest0-21swapper/310:08:373
28188994016cyclictest2990-1kworker/3:1H12:33:003
28188994016cyclictest2990-1kworker/3:1H12:33:003
28188994016cyclictest2990-1kworker/3:1H12:33:003
28188994016cyclictest2990-1kworker/3:1H12:33:003
28188994016cyclictest0-21swapper/309:38:223
28188994016cyclictest0-21swapper/307:33:283
28188994016cyclictest0-21swapper/307:33:283
28188994014cyclictest6444-21taskset10:34:303
28188994014cyclictest6444-21taskset10:34:303
28188994014cyclictest6444-21taskset10:34:303
28188994013cyclictest9706-21apt-get08:03:223
28188994013cyclictest9706-21apt-get08:03:223
28188994013cyclictest9706-21apt-get08:03:223
2818699404cyclictest0-21swapper/211:40:122
2818699404cyclictest0-21swapper/211:40:122
2818699404cyclictest0-21swapper/210:05:122
2818699404cyclictest0-21swapper/210:05:122
2818699404cyclictest0-21swapper/210:05:122
2818699404cyclictest0-21swapper/209:21:102
2818699404cyclictest0-21swapper/209:21:102
2818699403cyclictest0-21swapper/212:16:492
2818699403cyclictest0-21swapper/212:16:492
2818699403cyclictest0-21swapper/212:07:492
2818699403cyclictest0-21swapper/212:07:492
2818699403cyclictest0-21swapper/208:43:282
2818699403cyclictest0-21swapper/208:43:282
2818699403cyclictest0-21swapper/208:43:282
2818699403cyclictest0-21swapper/207:33:102
2818699403cyclictest0-21swapper/207:33:102
2818699403cyclictest0-21swapper/207:33:102
2818699402cyclictest28879-21aten_r4power_cu11:18:242
2818699402cyclictest28879-21aten_r4power_cu11:18:242
2818699402cyclictest28879-21aten_r4power_cu11:18:242
2818699402cyclictest28046-21diskstats09:08:262
2818699402cyclictest28046-21diskstats09:08:262
2818699402cyclictest2330-21df09:23:242
2818699402cyclictest2330-21df09:23:242
2818699402cyclictest22661-21diskstats12:08:282
2818699402cyclictest22661-21diskstats12:08:282
2818699402cyclictest15807-21df_inode10:53:272
2818699402cyclictest15807-21df_inode10:53:272
2818699402cyclictest14492-21ssh10:50:362
2818699402cyclictest14492-21ssh10:50:362
28186994019cyclictest10227-21latency_hist10:43:132
28186994019cyclictest10227-21latency_hist10:43:132
28186994014cyclictest29669-21apt-get10:18:232
28186994014cyclictest29669-21apt-get10:18:232
28186994014cyclictest29669-21apt-get10:18:232
71390rcu_preempt6763-21apt-get11:38:380
71390rcu_preempt6763-21apt-get11:38:380
71390rcu_preempt20982-1kworker/0:0H12:09:270
71390rcu_preempt20982-1kworker/0:0H12:09:270
71390rcu_preempt19371-21sh12:02:140
71390rcu_preempt19371-21sh12:02:140
71390rcu_preempt0-21swapper/111:24:241
71390rcu_preempt0-21swapper/111:24:241
71390rcu_preempt0-21swapper/111:24:241
71390rcu_preempt0-21swapper/110:38:171
71390rcu_preempt0-21swapper/110:38:171
71390rcu_preempt0-21swapper/110:38:171
71390rcu_preempt0-21swapper/011:46:570
71390rcu_preempt0-21swapper/011:46:570
46450390irq/118-QManpo28077-2110:48:552
46450390irq/118-QManpo28077-2110:48:552
46450390irq/118-QManpo28077-2110:48:552
28188993922cyclictest1979-21meminfo11:28:323
28188993922cyclictest1979-21meminfo11:28:323
28188993922cyclictest1979-21meminfo11:28:323
28188993921cyclictest25959-21users12:13:403
28188993921cyclictest25959-21users12:13:403
28188993920cyclictest28845-21/usr/sbin/munin11:18:423
28188993920cyclictest28845-21/usr/sbin/munin11:18:423
28188993920cyclictest28845-21/usr/sbin/munin11:18:423
28188993920cyclictest22481-21df_inode08:48:283
28188993920cyclictest22481-21df_inode08:48:283
28188993920cyclictest22481-21df_inode08:48:283
28188993920cyclictest15450-21df08:23:233
28188993920cyclictest15450-21df08:23:233
28188993919cyclictest29934-21diskstats10:18:283
28188993919cyclictest29934-21diskstats10:18:283
28188993919cyclictest29934-21diskstats10:18:283
28188993919cyclictest29558-21cat09:13:323
28188993919cyclictest29558-21cat09:13:323
28188993919cyclictest29558-21cat09:13:323
28188993918cyclictest21371-21ntp_states08:43:393
28188993918cyclictest21371-21ntp_states08:43:393
28188993918cyclictest21371-21ntp_states08:43:393
28188993918cyclictest21026-21sendmail-msp11:07:563
28188993918cyclictest21026-21sendmail-msp11:07:563
28188993918cyclictest21026-21sendmail-msp11:07:563
28188993918cyclictest1958-21snmpd08:03:123
28188993918cyclictest1958-21snmpd08:03:123
28188993918cyclictest0-21swapper/312:33:273
28188993918cyclictest0-21swapper/312:33:273
28188993918cyclictest0-21swapper/309:08:233
28188993918cyclictest0-21swapper/309:08:233
28188993918cyclictest0-21swapper/307:23:353
28188993918cyclictest0-21swapper/307:23:353
28188993918cyclictest0-21swapper/307:23:353
28188993917cyclictest0-21swapper/312:04:503
28188993917cyclictest0-21swapper/312:04:503
28188993917cyclictest0-21swapper/310:02:153
28188993917cyclictest0-21swapper/310:02:153
28188993917cyclictest0-21swapper/310:02:153
2818699394cyclictest0-21swapper/210:29:052
2818699394cyclictest0-21swapper/210:29:052
2818699393cyclictest0-21swapper/209:38:252
2818699393cyclictest0-21swapper/209:38:252
2818699393cyclictest0-21swapper/209:38:252
2818699393cyclictest0-21swapper/209:38:252
2818699392cyclictest29345-21aten_r4power_vo09:13:252
2818699392cyclictest29345-21aten_r4power_vo09:13:252
2818699392cyclictest29345-21aten_r4power_vo09:13:252
2818699392cyclictest29067-21diskmemload11:25:282
2818699392cyclictest29067-21diskmemload11:25:282
2818699392cyclictest29067-21diskmemload11:25:282
2818699392cyclictest23935-21df11:08:272
2818699392cyclictest23935-21df11:08:272
2818699392cyclictest23935-21df11:08:272
2818699392cyclictest15146-1munin-run08:23:112
2818699392cyclictest15146-1munin-run08:23:112
2818699392cyclictest12805-21irqstats08:13:302
2818699392cyclictest12805-21irqstats08:13:302
2818699392cyclictest12488-21meminfo09:43:362
2818699392cyclictest12488-21meminfo09:43:362
2818699392cyclictest12488-21meminfo09:43:362
2818699392cyclictest12488-21meminfo09:43:362
2818699391cyclictest26416-21apt-get09:03:232
2818699391cyclictest26416-21apt-get09:03:232
2818699391cyclictest11094-21apt-get08:08:222
2818699391cyclictest11094-21apt-get08:08:222
28186993917cyclictest0-21swapper/211:29:042
28186993917cyclictest0-21swapper/211:29:042
28186993917cyclictest0-21swapper/211:29:042
71380rcu_preempt0-21swapper/311:50:303
71380rcu_preempt0-21swapper/311:50:303
71380rcu_preempt0-21swapper/311:50:303
71380rcu_preempt0-21swapper/110:27:291
71380rcu_preempt0-21swapper/110:27:291
71380rcu_preempt0-21swapper/110:27:291
71380rcu_preempt0-21swapper/010:40:250
71380rcu_preempt0-21swapper/010:40:250
71380rcu_preempt0-21swapper/009:45:420
71380rcu_preempt0-21swapper/009:45:420
71380rcu_preempt0-21swapper/009:45:420
71380rcu_preempt0-21swapper/009:45:420
71380rcu_preempt0-21swapper/009:20:380
71380rcu_preempt0-21swapper/009:20:380
46650380irq/116-QManpo28039-2110:48:553
46650380irq/116-QManpo28039-2110:48:553
46650380irq/116-QManpo28039-2110:48:553
46050380irq/122-QManpo4254-2110:48:550
46050380irq/122-QManpo4254-2110:48:550
46050380irq/122-QManpo29816-2110:48:550
46050380irq/122-QManpo29816-2110:48:550
46050380irq/122-QManpo29816-2110:48:550
46050380irq/122-QManpo12379-2110:48:550
46050380irq/122-QManpo12379-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
28188993820cyclictest32015-21df_inode09:18:273
28188993820cyclictest32015-21df_inode09:18:273
28188993818cyclictest28190-21/usr/sbin/munin07:13:243
28188993818cyclictest28190-21/usr/sbin/munin07:13:243
28188993818cyclictest0-21swapper/310:43:473
28188993818cyclictest0-21swapper/310:43:473
28188993818cyclictest0-21swapper/310:43:473
28188993817cyclictest5266-21ssh11:34:063
28188993817cyclictest5266-21ssh11:34:063
28188993817cyclictest4154-21/usr/sbin/munin07:43:413
28188993817cyclictest4154-21/usr/sbin/munin07:43:413
28188993817cyclictest0-21swapper/311:44:253
28188993817cyclictest0-21swapper/311:44:253
28188993817cyclictest0-21swapper/310:06:153
28188993817cyclictest0-21swapper/310:06:153
28188993817cyclictest0-21swapper/310:06:153
28188993817cyclictest0-21swapper/308:18:253
28188993817cyclictest0-21swapper/308:18:253
28188993816cyclictest2678-21apt-get10:28:223
28188993816cyclictest2678-21apt-get10:28:223
28188993816cyclictest0-21swapper/311:58:393
28188993816cyclictest0-21swapper/311:58:393
28188993816cyclictest0-21swapper/311:15:093
28188993816cyclictest0-21swapper/311:15:093
28188993816cyclictest0-21swapper/311:15:093
28188993816cyclictest0-21swapper/309:34:303
28188993816cyclictest0-21swapper/309:34:303
2818699382cyclictest29493-21munin-run10:18:122
2818699382cyclictest29493-21munin-run10:18:122
2818699382cyclictest18371-21uname08:33:302
2818699382cyclictest18371-21uname08:33:302
2818699382cyclictest18371-21uname08:33:302
2818699381cyclictest30984-21/usr/sbin/munin07:23:322
2818699381cyclictest30984-21/usr/sbin/munin07:23:322
2818699381cyclictest30984-21/usr/sbin/munin07:23:322
2818699381cyclictest1959-21runrttasks11:03:122
2818699381cyclictest1959-21runrttasks11:03:122
2818699381cyclictest1959-21runrttasks11:03:122
2818699381cyclictest1958-21snmpd08:40:562
2818699381cyclictest1958-21snmpd08:40:562
2818699381cyclictest1958-21snmpd08:40:562
71370rcu_preempt1573-21ssh12:28:430
71370rcu_preempt1573-21ssh12:28:430
71370rcu_preempt1573-21ssh12:28:430
71370rcu_preempt1573-21ssh12:28:430
71370rcu_preempt0-21swapper/111:12:231
71370rcu_preempt0-21swapper/111:12:231
71370rcu_preempt0-21swapper/111:12:231
71370rcu_preempt0-21swapper/107:10:561
71370rcu_preempt0-21swapper/107:10:561
71370rcu_preempt0-21swapper/107:10:561
28188993719cyclictest8173-21munin-run07:58:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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