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2026-04-15 - 09:20
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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 376 highest latencies:
System rackbslot4.osadl.org (updated Wed Apr 15, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22147997412,56cyclictest0-21swapper/123:19:041
2214799705,59cyclictest0-21swapper/121:14:191
2214799705,59cyclictest0-21swapper/120:59:171
2214799685,57cyclictest0-21swapper/120:34:171
2214799685,57cyclictest0-21swapper/120:04:251
2214799682,60cyclictest24900-21egrep23:28:521
22147996811,51cyclictest0-21swapper/121:29:241
2214799675,56cyclictest7293-21timerwakeupswit23:04:131
2214799675,29cyclictest0-21swapper/122:34:301
2214799674,31cyclictest0-21swapper/122:39:091
2214799672,8cyclictest7930-21timerwakeupswit20:09:191
2214799672,7cyclictest19913-21ssh21:09:241
2214799672,59cyclictest30281-21ntpdc21:24:081
2214799662,7cyclictest24898-21users22:44:121
2214799655,54cyclictest0-21swapper/122:09:221
2214799653,55cyclictest11816-21/usr/sbin/munin20:14:191
2214799652,57cyclictest20114-21ssh21:54:121
2214799644,54cyclictest0-21swapper/120:49:141
2214799644,54cyclictest0-21swapper/120:49:141
2214799644,54cyclictest0-21swapper/120:27:271
2214799642,6cyclictest15231-21timerandwakeup20:19:151
2214799642,56cyclictest28350-21/usr/sbin/munin22:49:131
2214799642,34cyclictest16454-21/usr/sbin/munin21:49:121
2214799636,52cyclictest1065-21processes20:44:121
2214799634,53cyclictest0-21swapper/120:54:111
2171426313,17sleep00-21swapper/018:01:280
2214799625,51cyclictest0-21swapper/122:59:131
2216199584,49cyclictest0-21swapper/319:15:253
22156995724,28cyclictest638-21runrttasks23:28:432
2215699563,47cyclictest29127-21ps19:45:182
2214399565,44cyclictest0-21swapper/020:46:150
22156995525,25cyclictest26056-21sed23:29:122
2214399555,44cyclictest0-21swapper/021:36:430
2214399554,7cyclictest0-21swapper/021:46:240
22156995419,29cyclictest7052-21sort20:09:032
22156995416,33cyclictest15451-21open_files19:09:132
22156995415,32cyclictest24140-21aten_rbpower_vo19:34:002
2216199536,40cyclictest0-21swapper/322:59:043
2216199534,43cyclictest0-21swapper/322:20:133
2216199533,9cyclictest0-21swapper/321:53:043
2216199533,44cyclictest0-21swapper/322:50:253
2216199533,44cyclictest0-21swapper/322:48:103
22156995320,27cyclictest578-21gdbus20:23:472
22156995316,31cyclictest1150-21crond22:13:442
22147995321,27cyclictest9691-21missed_timers18:54:091
22147995319,28cyclictest12964-21sed21:44:141
2214399534,7cyclictest0-21swapper/021:55:540
2214399534,42cyclictest0-21swapper/020:09:000
2214399534,17cyclictest0-21swapper/021:17:390
2216199524,25cyclictest0-21swapper/323:23:483
2216199523,44cyclictest0-21swapper/321:30:143
2216199522,44cyclictest12610-21ssh20:16:023
22156995227,20cyclictest2306-21tr18:34:122
22156995227,20cyclictest2306-21tr18:34:122
22156995217,30cyclictest30895-21/usr/sbin/munin22:54:142
22156995217,28cyclictest554-21dbus-daemon20:23:462
22156995215,31cyclictest3853-21proc_pri20:04:132
22147995220,27cyclictest21654-21latency23:24:021
2214399524,42cyclictest0-21swapper/023:29:410
2214399524,42cyclictest0-21swapper/022:35:530
2214399524,42cyclictest0-21swapper/022:29:230
2214399524,42cyclictest0-21swapper/022:29:230
2214399524,41cyclictest0-21swapper/021:13:370
2216199516,39cyclictest0-21swapper/319:34:153
2216199514,41cyclictest0-21swapper/321:57:443
2216199514,41cyclictest0-21swapper/320:46:423
2216199513,41cyclictest0-21swapper/320:09:163
22156995117,28cyclictest2666-21diskmemload23:02:192
22156995116,29cyclictest2666-21diskmemload21:09:282
22156995115,32cyclictest578-21gdbus18:33:492
22156995115,32cyclictest578-21gdbus18:33:492
22156995115,31cyclictest638-21runrttasks18:45:282
22156995115,31cyclictest5267-21ntpq21:34:092
22156995114,6cyclictest20213-21fschecks_time22:38:592
22156995114,31cyclictest9143-21cut18:54:002
22156995114,31cyclictest21542-21cut20:28:572
2214799514,41cyclictest1222-21ksmtuned18:32:141
2214799514,41cyclictest1222-21ksmtuned18:32:141
2214799513,41cyclictest27341-21/usr/sbin/munin22:04:101
2214799513,41cyclictest24729-21wget18:09:021
22147995121,25cyclictest15424-21ntp_offset19:09:111
22147995117,29cyclictest4402-21switchtime18:39:171
22147995116,30cyclictest30730-21timerwakeupswit19:49:181
2214399514,41cyclictest0-21swapper/021:33:240
2214399514,40cyclictest0-21swapper/020:34:060
2216199504,9cyclictest0-21swapper/323:04:523
2216199504,40cyclictest0-21swapper/319:19:143
2216199503,42cyclictest0-21swapper/320:43:053
2216199503,41cyclictest0-21swapper/322:03:543
2216199503,41cyclictest0-21swapper/320:59:353
2216199503,41cyclictest0-21swapper/320:25:063
22161995017,7cyclictest2666-21diskmemload20:21:193
22161995013,32cyclictest543-21systemd-logind21:13:453
22161995012,32cyclictest0-21swapper/321:25:423
22156995020,26cyclictest27444-21smart_sda22:04:122
2215699502,42cyclictest28832-21awk18:19:072
22156995019,26cyclictest19257-21cpu21:53:562
22156995016,29cyclictest3733-21fschecks_time18:39:042
22156995016,29cyclictest22725-21grep18:03:572
22156995016,28cyclictest1123-21fschecks_time21:29:002
22156995015,30cyclictest638-21runrttasks22:45:152
22156995015,30cyclictest638-21runrttasks21:47:532
22156995015,29cyclictest19327-21smartctl19:19:162
2214799504,40cyclictest0-21swapper/123:08:441
2214799503,41cyclictest23578-21seq20:30:491
22147995020,25cyclictest28718-21fschecks_time18:19:061
22147995020,24cyclictest21158-21sendmail_mailqu19:24:121
2214799502,43cyclictest13045-21latency22:29:021
2214799502,43cyclictest13045-21latency22:29:021
2214799502,42cyclictest1672850ssh21:05:301
2214799502,42cyclictest10046-21sed22:24:141
2214799502,42cyclictest10046-21sed22:24:141
22147995019,26cyclictest27666-21grep18:14:201
22147995017,27cyclictest5046-21sed21:34:051
22147995013,32cyclictest638-21runrttasks18:46:131
2214399504,7cyclictest0-21swapper/022:05:440
2214399504,41cyclictest0-21swapper/022:24:330
2214399504,41cyclictest0-21swapper/022:24:330
2214399504,40cyclictest0-21swapper/023:00:380
2214399504,40cyclictest0-21swapper/022:01:390
2214399504,40cyclictest0-21swapper/021:49:340
2214399504,40cyclictest0-21swapper/021:41:240
2214399504,40cyclictest0-21swapper/021:41:240
2214399504,10cyclictest0-21swapper/022:56:420
2214399503,41cyclictest0-21swapper/023:16:120
2214399503,41cyclictest0-21swapper/020:05:160
2216199495,39cyclictest0-21swapper/318:19:183
2216199494,9cyclictest0-21swapper/320:04:363
2216199494,39cyclictest0-21swapper/321:46:143
2216199494,39cyclictest0-21swapper/321:04:323
2216199494,38cyclictest0-21swapper/321:38:263
2216199493,41cyclictest0-21swapper/322:29:333
2216199493,41cyclictest0-21swapper/322:29:333
2216199493,41cyclictest0-21swapper/320:52:053
2216199493,41cyclictest0-21swapper/320:52:053
2216199493,40cyclictest3447-21/usr/sbin/munin18:39:213
2216199493,39cyclictest0-21swapper/322:57:243
22161994913,32cyclictest24115-21unixbench_singl21:59:163
2216199491,44cyclictest21489-21runrttasks20:28:563
2215699495,9cyclictest0-21swapper/222:49:132
2215699495,8cyclictest0-21swapper/223:09:142
22156994921,23cyclictest30381-21wc21:24:112
22156994916,28cyclictest22861-21missed_timers21:14:072
22156994915,29cyclictest23719-21rt-features21:59:102
22156994915,28cyclictest10503-21ssh20:13:582
22156994914,6cyclictest26629-21ntpq21:19:082
22156994914,6cyclictest2347-21processes22:14:102
22156994914,6cyclictest23239-21timerwakeupswit19:29:182
22156994914,5cyclictest30918-21sh20:40:472
22156994914,30cyclictest18176-21latency_hist21:08:462
22156994914,29cyclictest12113-21sensors_temp20:59:122
22156994913,29cyclictest4828-21cat20:49:142
22156994913,29cyclictest4828-21cat20:49:142
2214799495,37cyclictest28896-21/usr/sbin/munin20:38:571
2214799493,40cyclictest11322-21fschecks_time18:59:031
2214799493,39cyclictest31573-21missed_timers22:54:041
2214799492,8cyclictest2733850ssh21:19:351
2214799492,42cyclictest19512-21timerwakeupswit19:19:181
2214799492,41cyclictest10777-21runrttasks21:42:101
2214799492,41cyclictest10777-21runrttasks21:42:101
2214799492,40cyclictest5107-21/usr/sbin/munin22:18:541
22147994916,28cyclictest13238-21idleruntime19:04:041
22147994916,27cyclictest23673-21processes21:59:101
22147994915,29cyclictest7470-21fschecks_time18:49:031
22147994914,29cyclictest2666-21diskmemload23:18:011
22147994913,30cyclictest26652-21ntpq19:39:111
22147994913,30cyclictest22389-21munin-node18:03:541
2214399495,38cyclictest0-21swapper/020:39:510
2214399494,40cyclictest0-21swapper/023:24:220
2214399494,39cyclictest0-21swapper/020:16:130
2214399493,40cyclictest0-21swapper/022:50:030
2214399493,14cyclictest13401-21ssh21:01:170
22143994911,5cyclictest0-21swapper/022:11:400
2216199488,34cyclictest0-21swapper/323:22:003
2216199484,38cyclictest0-21swapper/318:34:073
2216199484,38cyclictest0-21swapper/318:34:073
2216199484,37cyclictest0-21swapper/318:49:183
2216199483,41cyclictest0-21swapper/322:42:433
2216199483,40cyclictest0-21swapper/323:30:453
2216199483,40cyclictest0-21swapper/322:16:233
2216199483,40cyclictest0-21swapper/318:04:463
22161994812,5cyclictest0-21swapper/319:59:573
22161994812,5cyclictest0-21swapper/319:59:573
22161994812,30cyclictest0-21swapper/320:58:273
22161994811,31cyclictest0-21swapper/319:09:133
22161994810,32cyclictest0-21swapper/318:24:133
2215699482,40cyclictest9426-21tail21:39:172
2215699482,40cyclictest9426-21tail21:39:172
2215699482,13cyclictest26423-21kernelversion19:39:082
22156994819,24cyclictest31740-21ksmtuned18:27:142
22156994818,25cyclictest27177-21needreboot18:14:112
22156994816,27cyclictest32311-21proc_pri19:54:132
22156994815,27cyclictest9504-21ls22:24:042
22156994815,27cyclictest9504-21ls22:24:042
22156994814,29cyclictest17972-21cut23:19:022
2214799484,38cyclictest22413-21fschecks_count19:29:031
2214799484,38cyclictest17496-21switchtime19:14:151
22147994816,27cyclictest30788-21latency18:24:081
2214399484,8cyclictest0-21swapper/022:17:130
2214399484,38cyclictest0-21swapper/020:22:350
2214399484,37cyclictest0-21swapper/023:05:380
2214399484,37cyclictest0-21swapper/022:41:460
2214399484,37cyclictest0-21swapper/021:18:580
2214399483,40cyclictest0-21swapper/022:22:130
22143994811,5cyclictest0-21swapper/023:22:020
22143994811,31cyclictest0-21swapper/021:24:450
2216199475,36cyclictest0-21swapper/322:11:263
2216199474,37cyclictest0-21swapper/321:39:043
2216199474,37cyclictest0-21swapper/321:39:043
2216199474,37cyclictest0-21swapper/319:04:033
2216199474,37cyclictest0-21swapper/318:55:223
2216199474,37cyclictest0-21swapper/318:09:013
2216199474,18cyclictest0-21swapper/321:20:083
2215699476,7cyclictest16208-21sshd22:33:542
2215699475,20cyclictest0-21swapper/220:54:022
2215699475,11cyclictest0-21swapper/221:49:112
22156994716,26cyclictest638-21runrttasks23:08:262
22156994716,25cyclictest30573-21switchtime19:49:162
22156994716,25cyclictest13346-21latency19:04:062
22156994711,7cyclictest24901-21cut18:09:052
2214799474,37cyclictest1072-21aten_rbpower_po19:59:001
2214799474,37cyclictest1072-21aten_rbpower_po19:59:001
2214799473,39cyclictest2379-21pluginstate18:34:151
2214799473,39cyclictest2379-21pluginstate18:34:151
2214799473,38cyclictest32056-21latency19:54:071
2214799473,38cyclictest27772-21runrttasks19:43:571
2214799473,38cyclictest25134-21cat19:34:181
2214799472,39cyclictest1883-21/usr/sbin/munin22:14:001
2214399477,33cyclictest0-21swapper/021:03:590
2214399474,8cyclictest0-21swapper/020:50:150
2214399474,8cyclictest0-21swapper/020:50:150
2214399474,37cyclictest0-21swapper/020:30:370
2214399474,36cyclictest0-21swapper/020:53:500
22143994712,8cyclictest0-21swapper/020:26:460
22143994710,31cyclictest0-21swapper/022:44:320
2214399471,42cyclictest10470-21ls23:09:020
2216199469,5cyclictest0-21swapper/321:15:133
2216199464,37cyclictest0-21swapper/320:36:193
2216199464,36cyclictest0-21swapper/323:08:523
2216199464,12cyclictest0-21swapper/322:33:583
2216199463,38cyclictest0-21swapper/323:17:553
22161994610,31cyclictest0-21swapper/322:26:223
22161994610,31cyclictest0-21swapper/322:26:223
2215699465,9cyclictest0-21swapper/222:29:052
2215699465,9cyclictest0-21swapper/222:29:052
2215699465,7cyclictest0-21swapper/222:18:562
2215699463,37cyclictest0-21swapper/219:00:452
22156994616,24cyclictest21512-21unixbench_singl19:24:172
22156994615,26cyclictest638-21runrttasks19:17:192
22156994613,6cyclictest638-21runrttasks23:17:452
22156994612,6cyclictest0-21swapper/220:35:592
2216199458,31cyclictest0-21swapper/318:14:113
2216199453,37cyclictest0-21swapper/319:54:163
2216199453,37cyclictest0-21swapper/319:24:033
2216199453,36cyclictest0-21swapper/319:40:063
2216199453,18cyclictest0-21swapper/319:44:293
2216199452,38cyclictest8-21rcu_preempt19:29:143
22156994514,7cyclictest2145-21unixbench-2d19:59:192
22156994514,7cyclictest2145-21unixbench-2d19:59:192
2216199443,8cyclictest0-21swapper/318:44:123
22161994412,27cyclictest32121-21wget18:29:013
22161994412,27cyclictest32121-21wget18:29:013
2215699444,10cyclictest0-21swapper/218:48:592
22156994413,7cyclictest892-21netstat20:44:082
2216199434,6cyclictest0-21swapper/318:59:173
2216199433,35cyclictest0-21swapper/319:49:053
208692397,24sleep320941-21grep17:59:103
312232373,6sleep00-21swapper/019:53:030
272712373,6sleep00-21swapper/019:40:270
2024823713,18sleep20-21swapper/217:58:532
22143993625,7cyclictest19063-21grep19:19:090
2187123612,18sleep10-21swapper/118:03:221
2214399354,25cyclictest0-21swapper/018:54:270
22143993423,6cyclictest22569-21cut19:29:040
22143993422,7cyclictest23685-21grep18:04:160
22143993323,6cyclictest7291-21aten_rbpower_vo18:49:000
2214399324,23cyclictest0-21swapper/018:39:060
2214399324,21cyclictest0-21swapper/019:59:140
2214399324,21cyclictest0-21swapper/019:59:140
22143993213,14cyclictest26600-21aten_rbpower_vo18:14:010
22143993213,13cyclictest28255-21interrupts19:44:040
2214399314,23cyclictest0-21swapper/019:16:580
2214399314,23cyclictest0-21swapper/019:05:080
2214399314,22cyclictest0-21swapper/018:59:000
2214399314,21cyclictest0-21swapper/018:44:150
2214399313,23cyclictest14841-21/usr/sbin/munin19:09:010
2214399304,22cyclictest0-21swapper/018:19:210
2214399304,20cyclictest0-21swapper/019:23:530
2214399304,20cyclictest0-21swapper/018:29:060
2214399304,20cyclictest0-21swapper/018:29:060
22143993013,12cyclictest554-21dbus-daemon18:33:500
22143993013,12cyclictest554-21dbus-daemon18:33:500
2214399294,20cyclictest0-21swapper/018:24:180
22143992816,8cyclictest32061-21cat19:54:070
22143992816,7cyclictest24174-21cpu19:34:000
22143992717,6cyclictest24623-21/usr/sbin/munin18:09:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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