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2026-08-04 - 14:37
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot4.osadl.org (updated Tue Aug 04, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173952810,3sleep335-21rcuc/321:12:273
404799743,7cyclictest7360-21smart_sda22:24:233
404799734,6cyclictest0-21swapper/321:39:423
404799729,9cyclictest0-21swapper/321:34:203
404799715,31cyclictest0-21swapper/320:29:323
404799714,34cyclictest0-21swapper/321:19:313
404799714,32cyclictest0-21swapper/322:29:363
404799713,5cyclictest0-21swapper/321:29:373
404799713,5cyclictest0-21swapper/321:29:373
404799713,39cyclictest0-21swapper/323:27:003
404799713,39cyclictest0-21swapper/323:27:003
404799713,37cyclictest0-21swapper/320:44:223
404799713,37cyclictest0-21swapper/320:44:223
404799713,35cyclictest9230-21/usr/sbin/munin21:44:233
404799712,63cyclictest22351-21ntpq22:44:203
404799706,29cyclictest0-21swapper/321:54:343
404799702,12cyclictest2248-21munin-run22:18:563
4043997025,39cyclictest18346-21ssh23:22:012
404799696,29cyclictest0-21swapper/321:24:333
404799693,34cyclictest0-21swapper/323:03:303
4043996916,46cyclictest8743-21cut21:44:132
4043996914,49cyclictest2677-21tune2fs23:44:092
4043996913,50cyclictest0-21swapper/222:03:232
404799683,7cyclictest9438-21idleruntime-cro20:08:593
404799683,36cyclictest0-21swapper/318:30:063
404799682,33cyclictest29937-21ntp_states22:54:203
404799682,33cyclictest19939-21diskstats21:59:103
404799675,34cyclictest0-21swapper/323:14:203
404799674,33cyclictest0-21swapper/321:49:533
404799673,34cyclictest0-21swapper/322:41:263
404799673,33cyclictest25478-21ntp_kernel_pll_20:39:213
404799673,33cyclictest0-21swapper/323:19:343
404799672,32cyclictest6893-21netstat23:49:173
4043996717,44cyclictest32503-21chrt22:58:442
403199674,8cyclictest0-21swapper/022:34:270
404799663,35cyclictest0-21swapper/320:59:383
404799663,35cyclictest0-21swapper/318:42:403
404799653,7cyclictest24892-21/usr/sbin/munin22:04:303
404799653,7cyclictest0-21swapper/323:29:163
4043996515,44cyclictest13448-21ssh23:14:462
404799644,30cyclictest0-21swapper/321:04:363
404799643,7cyclictest3543-21mailstats22:19:243
404799643,7cyclictest3543-21mailstats22:19:243
404799643,36cyclictest0-21swapper/319:57:593
404799643,36cyclictest0-21swapper/318:56:063
404799643,34cyclictest6004-21latency_hist23:48:553
4043996414,43cyclictest629-21snmpd22:51:072
403199645,52cyclictest0-21swapper/022:09:240
403199643,55cyclictest16541-21ntp_states23:19:190
404799634,6cyclictest0-21swapper/322:49:433
404799634,32cyclictest0-21swapper/320:13:593
404799633,8cyclictest863-21timerandwakeup20:49:263
404799633,36cyclictest0-21swapper/320:27:293
404799633,34cyclictest0-21swapper/322:34:213
404799633,33cyclictest5321-21smart_sda23:04:243
404799633,33cyclictest5321-21smart_sda23:04:243
404799633,32cyclictest0-21swapper/318:59:273
404799632,37cyclictest564-21dbus-daemon18:49:013
4043996317,40cyclictest21462-21/usr/sbin/munin19:14:252
404799628,26cyclictest0-21swapper/320:34:223
404799623,8cyclictest0-21swapper/323:11:263
4043996215,41cyclictest8380-21/usr/sbin/munin18:39:172
4043996212,44cyclictest19311-21ssh22:39:522
403199624,51cyclictest0-21swapper/022:49:180
404799613,35cyclictest0-21swapper/320:15:293
404799613,30cyclictest549-21NetworkManager20:58:573
404799612,32cyclictest10714-21ntp_states23:54:163
4043996119,36cyclictest7377-21df_inode20:59:122
4043996115,40cyclictest27757-21ssh21:25:382
4043996114,41cyclictest0-21swapper/221:49:252
404799604,28cyclictest0-21swapper/323:34:253
404799603,35cyclictest0-21swapper/323:39:203
404799602,32cyclictest18568-21diskstats21:14:123
4043996017,38cyclictest14748-21aten_rbpower_vo21:09:092
4043996016,38cyclictest9662-21/usr/sbin/munin20:09:182
4043996016,38cyclictest13958-21ssh21:08:042
4043996016,38cyclictest0-21swapper/222:31:152
4043996015,39cyclictest32694-21/usr/sbin/munin19:44:302
4043996013,41cyclictest6342-21ssh21:40:112
4043996013,41cyclictest30074-21ssh20:45:062
4043996013,41cyclictest30074-21ssh20:45:062
4043996012,42cyclictest22920-21ssh22:44:302
404799593,9cyclictest0-21swapper/319:11:303
404799592,33cyclictest23111-21latency_hist19:19:013
404399598,45cyclictest0-21swapper/220:32:092
404399597,46cyclictest543-21systemd-logind20:48:582
4043995916,38cyclictest4053-21/usr/sbin/munin19:54:272
4043995916,37cyclictest0-21swapper/223:36:242
4043995915,39cyclictest629-21snmpd22:14:072
4043995915,38cyclictest6511-21/usr/sbin/munin18:34:262
4043995915,38cyclictest25846-21ssh23:31:512
4043995915,38cyclictest23333-21/usr/sbin/munin19:19:252
4043995915,38cyclictest13399-21/usr/sbin/munin20:19:092
4043995915,38cyclictest0-21swapper/220:56:162
4043995914,39cyclictest19592-21/usr/sbin/munin19:09:242
4043995914,39cyclictest0-21swapper/223:12:562
4043995913,40cyclictest0-21swapper/223:58:222
4043995913,40cyclictest0-21swapper/223:25:332
4043995913,40cyclictest0-21swapper/223:25:332
4043995913,40cyclictest0-21swapper/223:00:072
4043995913,40cyclictest0-21swapper/222:25:172
4043995913,40cyclictest0-21swapper/221:55:122
4043995913,13cyclictest0-21swapper/221:16:352
4043995912,41cyclictest0-21swapper/223:50:362
4043995912,41cyclictest0-21swapper/223:42:512
4043995912,41cyclictest0-21swapper/222:10:282
4043995912,41cyclictest0-21swapper/222:06:112
4043995912,41cyclictest0-21swapper/221:22:562
4043995912,41cyclictest0-21swapper/220:39:072
4043995912,40cyclictest0-21swapper/221:29:292
4043995912,40cyclictest0-21swapper/221:29:292
4043995910,43cyclictest4295-21ssh23:04:052
4043995910,43cyclictest4295-21ssh23:04:052
4043995816,37cyclictest3788-21ssh21:37:472
4043995815,37cyclictest2178-21/usr/sbin/munin19:49:112
4043995815,37cyclictest10736-21iostat18:44:172
4043995814,39cyclictest5924-21/usr/sbin/munin19:59:172
4043995814,10cyclictest30826-21/usr/sbin/munin19:39:172
4043995813,13cyclictest0-21swapper/222:37:522
4043995812,40cyclictest0-21swapper/220:34:572
4043995715,37cyclictest2496-21ssh22:19:022
4043995715,37cyclictest2496-21ssh22:19:022
4043995714,37cyclictest27086-21/usr/sbin/munin19:29:122
4043995714,37cyclictest27086-21/usr/sbin/munin19:29:122
4043995712,39cyclictest28956-21/usr/sbin/munin19:34:272
4043995712,39cyclictest28956-21/usr/sbin/munin19:34:272
404399567,43cyclictest4573-21timerwakeupswit18:29:072
4043995615,35cyclictest11529-21/usr/sbin/munin20:14:232
4043995613,38cyclictest13779-21sshd18:54:012
4043995613,37cyclictest15740-21latency_hist18:59:012
4043995612,38cyclictest16357-21iostat_ios18:59:202
404799553,6cyclictest0-21swapper/320:23:593
404799553,6cyclictest0-21swapper/319:53:593
404799553,33cyclictest0-21swapper/319:38:593
404799553,33cyclictest0-21swapper/319:38:593
4043995514,36cyclictest17741-21/usr/sbin/munin19:04:362
4043995514,35cyclictest25216-21/usr/sbin/munin19:24:322
4031995523,27cyclictest21462-21/usr/sbin/munin19:14:140
4031995522,28cyclictest18933-21grep19:04:440
4031995522,28cyclictest12167-21missed_timers20:14:200
4031995520,30cyclictest1870-21sendmail_mailtr21:34:230
4031995519,31cyclictest31765-21seq20:48:490
4031995519,31cyclictest31765-21seq20:48:490
4031995515,33cyclictest643-21runrttasks20:59:290
4031995511,16cyclictest564-21dbus-daemon20:08:590
4036995413,35cyclictest17048-21sed18:59:321
4031995426,23cyclictest12799-21tr18:49:210
4031995415,33cyclictest16945-21diskmemload20:39:440
34622547,15sleep30-21swapper/318:25:043
4043995313,34cyclictest0-21swapper/220:07:592
4036995315,32cyclictest2346-21cut23:44:051
403199533,9cyclictest17924-21missed_timers20:29:190
403199533,8cyclictest20348-21ntp_states19:09:230
403199532,45cyclictest30826-21/usr/sbin/munin19:39:260
4031995319,29cyclictest7119-21missed_timers18:34:230
4031995319,28cyclictest3098-21switchtime19:49:260
4036995219,28cyclictest455-21netstat20:49:201
4036995216,31cyclictest643-21runrttasks21:54:521
403199529,4cyclictest0-21swapper/023:49:390
403199524,7cyclictest11942-21smart_sda21:04:260
403199523,43cyclictest7799-21crond23:08:550
403199523,43cyclictest7799-21crond23:08:550
4043995114,31cyclictest0-21swapper/220:24:252
403699513,32cyclictest0-21swapper/121:25:031
4036995117,29cyclictest643-21runrttasks22:09:521
4036995116,30cyclictest643-21runrttasks20:15:251
4036995116,30cyclictest643-21runrttasks20:10:101
4036995116,29cyclictest643-21runrttasks19:13:481
4036995113,32cyclictest19567-21aten_rbpower_en23:24:061
4036995113,32cyclictest19567-21aten_rbpower_en23:24:061
4036995113,32cyclictest12504-21fschecks_time18:49:151
403199514,14cyclictest0-21swapper/019:44:140
403199513,8cyclictest4298-21ntp_states20:54:210
4031995121,25cyclictest10247-21/usr/sbin/munin18:44:200
4031995120,25cyclictest30903-21/usr/sbin/munin23:39:260
4031995116,30cyclictest643-21runrttasks20:36:500
4031995116,30cyclictest13327-21expr21:49:270
4031995115,30cyclictest5566-21sh23:48:240
4031995114,5cyclictest19448-21sh21:58:560
4031995114,31cyclictest10028-21latency_hist18:44:010
4031995113,32cyclictest564-21dbus-daemon21:18:570
4031995113,31cyclictest25676-21if_eth219:24:160
4031995112,8cyclictest6042-21cpu19:59:100
403699509,35cyclictest643-21runrttasks18:33:561
403699507,36cyclictest7225-21aten_rbpower_cu20:59:101
403699506,37cyclictest10819-21load22:29:161
403699505,6cyclictest0-21swapper/119:44:271
403699505,39cyclictest25631-21processes20:39:241
403699504,7cyclictest0-21swapper/122:04:101
403699503,8cyclictest23036-21ssh22:03:301
403699503,41cyclictest8049-21chrt18:37:441
403699502,8cyclictest7792-21/usr/sbin/munin20:04:181
4036995019,25cyclictest1494-21sensors22:59:201
4036995017,27cyclictest16945-21diskmemload23:42:341
4036995016,29cyclictest643-21runrttasks20:03:221
4036995016,29cyclictest643-21runrttasks19:55:491
4036995016,29cyclictest18466-21tr19:04:361
4036995015,29cyclictest23936-21load19:19:201
4036995014,30cyclictest22301-21ntpdc22:44:181
4036995014,30cyclictest1102-21fschecks_count21:34:111
4036995013,31cyclictest5207-21proc_pri23:04:221
4036995013,31cyclictest5207-21proc_pri23:04:221
4031995019,25cyclictest6441-21aten_rbpower_vo22:24:070
4031995018,26cyclictest9875-21/usr/sbin/munin23:54:190
4031995017,25cyclictest31381-21uniq22:14:090
4031995016,28cyclictest8882-21interrupts21:44:150
4031995016,28cyclictest27573-21idleruntime23:34:120
4031995016,28cyclictest23791-21if_err_eth223:29:100
4031995015,29cyclictest32625-21if_eth220:49:140
4031995015,28cyclictest14985-21seq20:23:010
4031995014,30cyclictest10568-21perl22:29:110
4031995010,5cyclictest0-21swapper/023:24:390
4031995010,5cyclictest0-21swapper/023:24:390
403699499,35cyclictest30891-21unixbench_singl21:29:281
403699499,35cyclictest30891-21unixbench_singl21:29:281
403699498,35cyclictest7062-21rt-features23:49:211
403699498,35cyclictest18998-21wc21:14:171
403699493,6cyclictest0-21swapper/121:04:421
403699493,41cyclictest3825-21latency_hist19:54:001
403699493,40cyclictest18369-21latency22:39:151
403699493,39cyclictest4855-21fschecks_count21:39:101
4036994917,27cyclictest22728-21cat21:19:171
4036994916,28cyclictest8874-21interrupts21:44:151
4036994916,27cyclictest643-21runrttasks22:20:181
4036994916,27cyclictest643-21runrttasks22:20:181
4036994914,29cyclictest31748-21switchtime19:39:281
4036994913,30cyclictest0-21swapper/123:54:241
4036994911,33cyclictest643-21runrttasks19:25:021
4036994911,32cyclictest27296-21ssh23:34:091
403699491,43cyclictest28721-21fschecks_time20:44:141
403699491,43cyclictest28721-21fschecks_time20:44:141
403199497,10cyclictest0-21swapper/019:54:300
403199493,8cyclictest4012-21ssh22:19:370
403199493,8cyclictest4012-21ssh22:19:370
403199493,40cyclictest0-21swapper/022:38:560
403199492,42cyclictest23754-21idleruntime19:19:170
403199492,40cyclictest315150ssh23:02:060
4031994916,28cyclictest28245-21unixbench_multi19:29:280
4031994916,28cyclictest28245-21unixbench_multi19:29:280
4031994914,5cyclictest30942-21sh22:55:240
4031994912,7cyclictest29877-21switchtime19:34:280
4031994912,7cyclictest29877-21switchtime19:34:280
4031994912,5cyclictest4081-21aten_rbpower_vo18:29:020
4031994910,10cyclictest0-21swapper/021:39:100
403699488,34cyclictest24091-21netstat23:29:151
403699485,35cyclictest0-21swapper/119:19:011
403699484,8cyclictest0-21swapper/118:39:031
403699483,8cyclictest15521-21grep20:24:131
403699483,7cyclictest6820-21ssh20:58:471
403699482,39cyclictest14133-21df22:34:091
4036994819,24cyclictest15699-21/usr/sbin/munin23:19:271
4036994816,26cyclictest7161-21ntp_kernel_pll_22:24:181
4036994816,25cyclictest26483-21timerwakeupswit22:49:251
4036994816,25cyclictest12819-21processes23:14:201
4036994815,28cyclictest9295-21timerwakeupswit23:09:241
4036994815,28cyclictest16945-21diskmemload20:34:061
4036994815,28cyclictest15724-21switchtime21:09:261
4036994814,29cyclictest643-21runrttasks21:49:431
4036994813,30cyclictest14007-21missed_timers20:19:181
403199483,8cyclictest9501-21/usr/sbin/munin23:09:270
403199483,8cyclictest14158-21diskstats18:54:140
4031994816,26cyclictest21818-21fschecks_time22:44:110
4031994813,5cyclictest0-21swapper/021:11:000
403699478,34cyclictest31800-21missed_timers22:14:161
4036994717,25cyclictest17387-21cpu20:29:101
4036994717,25cyclictest11015-21open_files18:44:241
4036994715,27cyclictest28734-21latency_hist19:34:001
4036994715,27cyclictest28734-21latency_hist19:34:001
4036994715,26cyclictest14271-21fschecks_time18:54:151
403199473,8cyclictest23251-21crond22:03:560
403199473,38cyclictest0-21swapper/021:19:270
403199473,11cyclictest31667-21sh21:31:010
403199473,11cyclictest31667-21sh21:31:010
4031994714,6cyclictest28161-21sh21:26:310
404799463,34cyclictest0-21swapper/319:09:013
403699463,6cyclictest0-21swapper/122:54:141
4036994612,28cyclictest29319-21uniq19:34:161
4036994612,28cyclictest29319-21uniq19:34:161
403199465,7cyclictest0-21swapper/022:04:180
4031994618,23cyclictest10861-21unixbench_singl20:09:300
4031994616,23cyclictest12057-21cpu23:14:070
4031994612,7cyclictest16272-21sed18:59:170
404799453,37cyclictest0-21swapper/318:49:143
404799453,14cyclictest0-21swapper/319:49:003
404799452,6cyclictest32481-21sshd19:43:593
404799443,9cyclictest0-21swapper/322:12:063
404799443,9cyclictest0-21swapper/320:01:353
404799443,35cyclictest0-21swapper/319:30:353
404799443,35cyclictest0-21swapper/319:30:353
403199443,16cyclictest0-21swapper/020:24:300
36392439,28sleep00-21swapper/018:27:100
404799423,34cyclictest0-21swapper/319:22:293
404799413,5cyclictest0-21swapper/319:29:013
404799413,5cyclictest0-21swapper/318:39:013
263623812,19sleep20-21swapper/218:24:182
354323513,16sleep10-21swapper/118:26:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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