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2025-12-19 - 03:20
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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 highest latencies:
System rackbslot4.osadl.org (updated Fri Dec 19, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2860199692,61cyclictest30495-21/usr/sbin/munin20:36:590
2860199682,7cyclictest6307-21/usr/sbin/munin23:51:460
2860199673,58cyclictest455-21sed20:41:530
2860199672,8cyclictest26748-21/usr/sbin/munin20:27:080
2860199672,59cyclictest5481-21date23:46:590
2861699663,8cyclictest0-21swapper/323:07:043
2860199662,58cyclictest28625-21/usr/sbin/munin20:32:030
2860199652,8cyclictest24876-21/usr/sbin/munin20:22:020
2860199652,8cyclictest24876-21/usr/sbin/munin20:22:020
2860199652,56cyclictest29213-21/usr/sbin/munin19:07:040
28611996125,31cyclictest4454-21grep20:51:572
2861699575,28cyclictest8933-21sshd21:04:253
2861699563,48cyclictest0-21swapper/321:51:493
2861699563,48cyclictest0-21swapper/321:51:493
28611995520,30cyclictest15600-21grep22:47:042
28611995513,35cyclictest10093-21ntpq21:06:572
28611995422,27cyclictest29562-21ls20:32:042
28611995416,32cyclictest10504-21seq19:41:552
28611995415,34cyclictest31055-21latency20:36:552
28611995321,27cyclictest21754-21tail21:37:052
28611995314,33cyclictest4408-21cpu19:26:472
28611995314,33cyclictest25465-21unixbench_multi21:47:032
2860199533,43cyclictest16401-21ntpdc00:16:530
28611995216,30cyclictest26723-21sed21:51:522
28611995216,30cyclictest26723-21sed21:51:522
28611995215,32cyclictest25753-21sendmail_mailqu20:22:012
28611995215,32cyclictest25753-21sendmail_mailqu20:22:012
28611995215,32cyclictest12024-21aten_rbpower_vo00:06:432
28611995214,32cyclictest13635-21sed22:42:032
28611995118,28cyclictest25368-21crond23:16:312
28611995116,30cyclictest26810-21unixbench_singl23:17:042
28611995115,31cyclictest32617-21processes22:06:592
28611995114,5cyclictest22507-21aten_rbpower_po21:41:452
2860199513,42cyclictest794-21fschecks_count19:16:490
2860199513,42cyclictest3886-21diskstats20:51:490
2860199513,42cyclictest3035-21/usr/sbin/munin23:41:470
2860199513,42cyclictest21846-21latency00:31:490
2860199513,42cyclictest21846-21latency00:31:490
2860199513,41cyclictest14082-21/usr/sbin/munin21:17:040
2860199512,42cyclictest10130-21open_inodes21:06:590
2861699505,39cyclictest0-21swapper/320:21:513
2861699505,39cyclictest0-21swapper/320:21:513
2861699504,41cyclictest0-21swapper/322:31:443
2861699503,9cyclictest0-21swapper/319:34:113
2861699503,43cyclictest0-21swapper/321:16:123
2861699503,41cyclictest0-21swapper/322:58:413
2861199504,39cyclictest0-21swapper/220:21:362
28611995015,30cyclictest638-21runrttasks21:16:522
28611995015,30cyclictest1078-21ls20:42:042
28611995015,29cyclictest638-21runrttasks00:24:112
28611995015,29cyclictest638-21runrttasks00:24:112
28611995015,29cyclictest21392-21sshd23:03:402
28611995015,28cyclictest7269-21wc19:32:062
28611995013,31cyclictest917-21fschecks_time19:16:502
2860199503,41cyclictest22599-21ntp_kernel_pll_23:06:550
2860199503,41cyclictest14555-21/usr/sbin/munin19:52:030
2860199503,40cyclictest17393-21latency21:26:530
2860199503,40cyclictest1708-21timerandwakeup23:37:000
28601995023,22cyclictest8155-21vmstat22:27:050
2860199502,42cyclictest6897-21ntpq19:31:580
2860199502,42cyclictest25672-21aten_rbpower_po23:16:440
2860199502,41cyclictest26803-21/usr/sbin/munin21:51:530
2860199502,41cyclictest26803-21/usr/sbin/munin21:51:530
2860199502,41cyclictest14802-21timerandwakeup00:11:590
2861699499,7cyclictest7672-21open_inodes22:26:583
2861699495,38cyclictest0-21swapper/319:26:563
2861699493,41cyclictest0-21swapper/322:51:523
2861699493,41cyclictest0-21swapper/320:10:303
2861699493,11cyclictest0-21swapper/321:31:513
28616994912,31cyclictest0-21swapper/322:21:453
2861199499,5cyclictest0-21swapper/219:21:492
28611994921,23cyclictest20299-21timerandwakeup20:07:052
2861199492,9cyclictest30217-21timerandwakeup19:07:052
28611994915,28cyclictest4799-21basename22:21:322
28611994914,29cyclictest554-21dbus-daemon21:06:342
28611994912,8cyclictest554-21dbus-daemon23:01:322
2860199493,40cyclictest4009-21/usr/sbin/munin22:16:580
2860199493,40cyclictest24513-21fschecks_count21:46:470
2860199493,40cyclictest19810-21timerwakeupswit21:32:040
2860199493,39cyclictest2427-21/usr/sbin/munin19:21:460
2860199493,39cyclictest22769-21runrttasks20:16:240
2860199493,39cyclictest20493-21/usr/sbin/munin23:01:520
2860199493,39cyclictest14366-21/usr/sbin/munin22:46:430
2860199493,39cyclictest11268-21missed_timers22:36:530
2860199492,41cyclictest638-21runrttasks22:01:040
2860199492,40cyclictest4707-21/usr/sbin/munin19:26:510
2860199492,40cyclictest1454-21entropy22:11:460
28601994917,27cyclictest23832-21tr23:11:430
28601994916,28cyclictest638-21runrttasks19:57:110
28601994916,28cyclictest23039-21tr20:16:470
28601994916,27cyclictest638-21runrttasks21:37:300
28601994912,31cyclictest12267-21/usr/sbin/munin19:46:540
2861699485,38cyclictest0-21swapper/323:36:563
2861699484,39cyclictest0-21swapper/323:16:503
2861699484,39cyclictest0-21swapper/319:41:503
2861699484,38cyclictest0-21swapper/320:47:063
2861699483,40cyclictest0-21swapper/322:20:083
2861199486,6cyclictest23513-21basename23:11:322
2861199483,7cyclictest5036-21memory23:46:512
2861199482,40cyclictest16242-21wc00:16:502
28611994816,27cyclictest16545-21timerandwakeup19:57:042
28611994816,27cyclictest14908-21vmstat19:52:082
28611994815,28cyclictest638-21runrttasks23:33:422
28611994815,28cyclictest638-21runrttasks23:33:422
28611994815,27cyclictest6710-21cut23:51:452
28611994814,5cyclictest32727-21latency_hist19:16:372
28611994814,29cyclictest638-21runrttasks22:27:462
28611994814,28cyclictest5456-21basename22:21:492
28611994814,27cyclictest23063-21wc00:36:302
28611994814,27cyclictest23063-21wc00:36:302
28611994813,29cyclictest30469-21wc22:01:522
2860199485,37cyclictest17835-21fschecks_time00:21:440
2860199485,37cyclictest17835-21fschecks_time00:21:440
2860199485,37cyclictest0-21swapper/020:46:420
2860199484,38cyclictest8940-21/usr/sbin/munin23:56:570
2860199483,39cyclictest9907-21/usr/sbin/munin19:41:470
2860199483,39cyclictest7914-21/usr/sbin/munin21:01:520
2860199483,39cyclictest32526-21ntpdc22:06:550
2860199483,39cyclictest31233-21chrt22:02:270
2860199483,39cyclictest30829-21sshd23:29:400
2860199483,39cyclictest30829-21sshd23:29:400
2860199483,39cyclictest12175-21switchtime21:12:020
2860199483,38cyclictest32197-21/usr/sbin/munin23:32:010
2860199483,38cyclictest32197-21/usr/sbin/munin23:32:010
2860199483,38cyclictest10262-21fschecks_count00:01:480
2860199483,37cyclictest17403-21/usr/sbin/munin20:01:460
2860199482,41cyclictest9097-21grep22:31:480
2860199482,40cyclictest32519-21runrttasks19:14:070
2860199482,40cyclictest20726-21sshd20:09:160
28601994812,31cyclictest28366-21/usr/sbin/munin23:21:580
2861699479,33cyclictest28778-21ntpdc21:56:553
2861699474,38cyclictest0-21swapper/323:52:033
2861699474,38cyclictest0-21swapper/321:27:013
2861699474,38cyclictest0-21swapper/321:16:463
2861699474,38cyclictest0-21swapper/320:18:503
2861699474,38cyclictest0-21swapper/319:36:583
2861699474,38cyclictest0-21swapper/300:21:553
2861699474,38cyclictest0-21swapper/300:21:553
2861699473,38cyclictest0-21swapper/321:41:493
2861199477,7cyclictest15134-21forks21:21:492
2861199473,14cyclictest0-21swapper/223:22:022
2861199473,12cyclictest10659-21sed00:01:532
28611994717,25cyclictest12495-21netstat19:46:592
28611994716,26cyclictest638-21runrttasks23:44:402
28611994716,26cyclictest29184-21unixbench-2d21:57:032
28611994716,25cyclictest17242-21timerandwakeup22:52:012
28611994715,26cyclictest27466-21netstat20:26:582
28611994713,28cyclictest8177-21cpu19:36:482
28611994712,6cyclictest18774-21aten_rbpower_vo21:31:462
2860199473,38cyclictest8798-21/usr/sbin/munin19:36:590
2860199473,38cyclictest5661-21aten_rbpower_po20:56:460
2860199473,38cyclictest19885-21if_eth200:26:470
2860199473,38cyclictest19885-21if_eth200:26:470
2860199473,37cyclictest12821-21fschecks_time22:41:470
2860199472,40cyclictest18184-21aten_rbpower_po22:56:440
2860199472,39cyclictest16262-21aten_rbpower_en22:51:440
2860199472,39cyclictest11939-21/usr/sbin/munin00:06:430
2860199472,38cyclictest5056-21aten_rbpower_en22:21:440
2860199472,38cyclictest22414-21runrttasks21:41:350
28601994718,24cyclictest15548-21ls21:21:540
2861699468,7cyclictest0-21swapper/300:02:043
2861699465,35cyclictest0-21swapper/323:46:453
2861699465,35cyclictest0-21swapper/322:06:053
2861699464,8cyclictest0-21swapper/321:46:553
2861699464,37cyclictest0-21swapper/323:11:573
2861699464,37cyclictest0-21swapper/322:06:473
2861699464,37cyclictest0-21swapper/320:41:153
2861699464,37cyclictest0-21swapper/319:55:593
2861699464,37cyclictest0-21swapper/319:11:503
2861699464,36cyclictest0-21swapper/322:46:443
2861699464,36cyclictest0-21swapper/300:31:573
2861699464,36cyclictest0-21swapper/300:31:573
2861699463,39cyclictest0-21swapper/319:16:373
2861699463,38cyclictest0-21swapper/322:11:493
2861699463,38cyclictest0-21swapper/320:56:543
2861699463,38cyclictest0-21swapper/320:11:553
2861699463,38cyclictest0-21swapper/319:50:453
2861699463,38cyclictest0-21swapper/319:22:003
2861699463,37cyclictest20329-21fschecks_time23:01:473
2861699463,37cyclictest0-21swapper/321:37:053
2861199467,11cyclictest0-21swapper/220:56:592
2861199465,8cyclictest0-21swapper/220:01:472
2861199464,9cyclictest0-21swapper/220:46:522
28611994616,25cyclictest638-21runrttasks23:37:202
28611994615,26cyclictest9332-21latency22:31:522
28611994615,25cyclictest1341-21aten_rbpower_po22:11:442
28611994611,7cyclictest9800-21seq00:01:022
2834424613,26sleep30-21swapper/319:06:223
2861699458,32cyclictest0-21swapper/300:27:033
2861699458,32cyclictest0-21swapper/300:27:033
2861699455,34cyclictest2557-21/usr/sbin/munin23:41:563
2861699454,8cyclictest0-21swapper/300:06:423
2861699454,36cyclictest0-21swapper/322:36:533
2861699454,35cyclictest0-21swapper/323:56:573
2861699453,37cyclictest0-21swapper/300:16:593
2861699453,36cyclictest9389-21aten_rbpower_en21:06:463
2861699453,10cyclictest0-21swapper/300:12:013
2861699452,38cyclictest31206-21/usr/sbin/munin23:31:473
2861699452,38cyclictest31206-21/usr/sbin/munin23:31:473
2861199454,15cyclictest0-21swapper/222:36:442
2861199454,11cyclictest0-21swapper/221:27:022
2861199453,8cyclictest11711-21irqstats21:11:522
2861199452,9cyclictest30635-21chrt23:27:202
2861199452,9cyclictest30635-21chrt23:27:202
2861199452,15cyclictest20222-21proc_pri00:26:552
2861199452,15cyclictest20222-21proc_pri00:26:552
28611994513,8cyclictest21308-21df_inode20:11:492
2861699444,35cyclictest0-21swapper/320:52:373
2861699443,7cyclictest0-21swapper/322:41:473
2861699443,37cyclictest0-21swapper/320:31:543
2861699443,36cyclictest0-21swapper/323:26:423
2861699443,36cyclictest0-21swapper/323:26:423
2861699443,35cyclictest15856-21sensors21:22:013
2861699443,35cyclictest0-21swapper/319:56:473
28611994413,26cyclictest0-21swapper/200:11:462
2861699433,36cyclictest0-21swapper/319:07:063
2861699432,8cyclictest27460-21/usr/sbin/munin23:21:583
2861699432,8cyclictest17403-21/usr/sbin/munin20:01:593
2861699424,34cyclictest0-21swapper/320:31:243
2861699413,33cyclictest1147-21unixbench_multi20:42:053
38882383,6sleep10-21swapper/123:42:451
38452383,7sleep10-21swapper/119:23:551
262422383,6sleep10-21swapper/120:23:141
262422383,6sleep10-21swapper/120:23:141
2860599373,19cyclictest62102basename19:31:471
28605993725,7cyclictest28975-21grep20:31:511
2799223712,18sleep00-21swapper/019:02:090
272322373,6sleep10-21swapper/123:21:281
70532363,6sleep10-21swapper/120:59:161
296952363,6sleep10-21swapper/122:01:251
28605993625,6cyclictest30932-21sort22:02:021
28605993624,7cyclictest2209-21latency_hist19:21:361
272062369,19sleep20-21swapper/219:01:552
224402363,6sleep10-21swapper/120:12:281
170082363,6sleep10-21swapper/119:59:321
152752363,6sleep10-21swapper/100:14:281
28605993525,6cyclictest5115-21grep23:46:521
28605993525,6cyclictest15395-21sort22:47:021
28605993517,13cyclictest10627-21ntp_kernel_err19:41:581
2817123512,17sleep10-21swapper/119:04:151
25812353,6sleep10-21swapper/122:12:271
209712353,6sleep10-21swapper/100:30:301
209712353,6sleep10-21swapper/100:30:301
83892343,7sleep10-21swapper/122:29:491
327442343,6sleep10-21swapper/123:35:121
327442343,6sleep10-21swapper/123:35:121
309652343,6sleep10-21swapper/123:31:181
309652343,6sleep10-21swapper/123:31:181
28605993423,7cyclictest19598-21cut20:06:511
28605993423,7cyclictest19240-21grep22:57:021
28605993422,7cyclictest9046-21uniq22:31:481
28605993322,7cyclictest23155-21tr21:41:561
28605993320,8cyclictest3341-21cut22:16:471
234422333,7sleep10-21swapper/123:10:501
2860599324,22cyclictest0-21swapper/122:36:451
28605993221,7cyclictest13771-21awk22:42:061
28605993221,7cyclictest12466-21grep19:46:591
28605993220,7cyclictest19616-21grep21:32:021
28605993219,8cyclictest9311-21sed23:57:031
2860599314,23cyclictest0-21swapper/100:21:541
2860599314,23cyclictest0-21swapper/100:21:541
2860599314,22cyclictest0-21swapper/120:51:481
28605993121,6cyclictest28620-21sed23:22:011
28605993119,7cyclictest31462-21grep19:11:511
28605993115,11cyclictest864-21entropy23:36:451
2860599304,22cyclictest0-21swapper/100:17:001
2860599304,21cyclictest0-21swapper/121:06:551
2860599304,21cyclictest0-21swapper/120:46:471
2860599304,21cyclictest0-21swapper/120:42:071
2860599304,21cyclictest0-21swapper/120:01:521
2860599303,23cyclictest0-21swapper/121:22:411
2860599303,23cyclictest0-21swapper/120:30:081
28605993020,6cyclictest638-21runrttasks22:21:481
28605993020,6cyclictest25286-21threads21:47:011
2860599302,22cyclictest14717-21grep19:52:061
28605993019,7cyclictest574-21polkitd00:06:301
28605993018,8cyclictest13516-21sort21:16:511
2860599294,22cyclictest0-21swapper/119:10:461
2860599294,21cyclictest0-21swapper/100:31:571
2860599294,21cyclictest0-21swapper/100:31:571
2860599294,20cyclictest0-21swapper/122:06:471
2860599293,23cyclictest0-21swapper/119:40:371
2860599293,20cyclictest6405-21basename23:51:411
28605992919,6cyclictest5723-21ksmtuned19:28:581
28605992919,5cyclictest8351-21sendmail_mailst21:02:011
28605992918,7cyclictest25336-21awk23:16:081
28605992918,6cyclictest12344-21unixbench-2d21:12:041
2860599284,19cyclictest0-21swapper/122:51:351
2860599284,19cyclictest0-21swapper/100:06:471
28605992817,6cyclictest638-21runrttasks23:01:341
28605992817,6cyclictest17640-21processes21:27:001
28605992816,7cyclictest548-21NetworkManager20:16:371
28605992717,6cyclictest30810-21fschecks_time20:36:511
28605992715,7cyclictest26282-21cpu21:51:441
28605992715,7cyclictest26282-21cpu21:51:441
2860599265,16cyclictest0-21swapper/121:36:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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