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2025-12-13 - 15:59
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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 792 highest latencies:
System rackbslot4.osadl.org (updated Sat Dec 13, 2025 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
978699694,59cyclictest10191-21sendmail_mailqu07:09:390
978699694,59cyclictest10191-21sendmail_mailqu07:09:390
9790995922,31cyclictest554-21dbus-daemon08:39:321
949725912,17sleep00-21swapper/007:08:540
9786995617,34cyclictest31424-21fschecks_time12:24:430
921725610,16sleep20-21swapper/207:05:352
9786995525,25cyclictest6703-21grep09:50:000
9786995516,32cyclictest3005-21users09:40:050
978699543,45cyclictest382-21systemd-journal11:19:280
9790995321,27cyclictest28576-21unixbench_singl12:14:571
9786995318,29cyclictest28518-21/usr/sbin/munin09:25:020
9786995317,30cyclictest2092-21switchtime11:04:550
9786995311,36cyclictest12895-21irqstats11:34:470
9786995310,37cyclictest24696-21irqstats10:39:500
93392536,15sleep30-21swapper/307:07:003
979699524,42cyclictest0-21swapper/212:27:532
9790995220,28cyclictest807-21wc09:34:591
9790995214,32cyclictest17981-21tr07:29:461
978699523,42cyclictest25856-21irqstats07:49:520
9786995223,25cyclictest32616-21fschecks_time09:34:470
9786995222,26cyclictest17675-21switchtime10:19:570
9786995218,29cyclictest29882-21aten_rbpower_vo10:54:390
9786995218,29cyclictest22813-21unixbench_singl07:40:030
9786995215,31cyclictest14252-21users10:10:070
9786995212,34cyclictest20664-21proc_pri11:54:520
9786995212,33cyclictest25762-21fschecks_count12:09:420
9786995212,33cyclictest25762-21fschecks_count12:09:420
980299514,42cyclictest0-21swapper/307:17:023
980299514,42cyclictest0-21swapper/307:17:023
9796995113,6cyclictest12360-21latency_hist11:34:292
9790995120,26cyclictest7461-21needreboot11:19:501
979099512,44cyclictest15163-21timerandwakeup07:20:021
979099512,44cyclictest15163-21timerandwakeup07:20:021
9790995117,28cyclictest6085-21unixbench_multi11:14:581
9790995116,30cyclictest638-21runrttasks10:40:471
978699519,36cyclictest382-21systemd-journal11:04:290
9786995120,27cyclictest30311-21grep08:00:020
978699512,43cyclictest11391-21sshd10:04:460
9786995118,27cyclictest20307-21latency07:34:540
9786995117,27cyclictest6948-21wc08:24:580
9786995116,29cyclictest15636-21fschecks_count08:49:470
9786995114,32cyclictest559-21in:imuxsock08:39:320
9786995113,33cyclictest3991-21switchtime11:09:550
9786995111,34cyclictest3249-21switchtime08:15:000
92012516,15sleep10-21swapper/107:05:221
979699504,40cyclictest0-21swapper/210:39:482
979699503,42cyclictest0-21swapper/211:34:582
979699503,15cyclictest30172-21munin-run09:29:312
979699501,44cyclictest327-21jbd2/dm-1-808:55:042
9790995020,25cyclictest28300-21munin-plugin-st09:24:311
9790995019,26cyclictest638-21runrttasks12:00:581
9790995019,26cyclictest638-21runrttasks12:00:581
9790995019,26cyclictest21520-21latency_hist11:59:281
9790995016,29cyclictest638-21runrttasks11:14:231
9790995015,30cyclictest6167-21tail09:49:511
9790995014,30cyclictest638-21runrttasks09:05:141
9786995019,25cyclictest14627-21sort11:39:430
9786995017,28cyclictest8650-21aten_rbpower_cu11:24:400
9786995016,28cyclictest12740-21mii-tool07:14:470
9786995016,28cyclictest12740-21mii-tool07:14:470
9786995015,30cyclictest26595-21latency10:44:480
9786995015,29cyclictest31087-21netstat09:29:520
9786995015,28cyclictest21037-21aten_rbpower_cu09:04:410
9786995013,32cyclictest26918-21fschecks_count09:19:450
9786995012,33cyclictest27828-21missed_timers07:54:510
9786995012,32cyclictest15301-21unixbench_multi07:20:030
9786995012,32cyclictest15301-21unixbench_multi07:20:030
9786995010,34cyclictest12608-21switchtime08:40:010
979099497,35cyclictest29909-21needreboot12:19:481
979099496,37cyclictest17395-21runrttasks10:19:501
979099496,35cyclictest9447-21proc_pri11:24:531
979099493,40cyclictest2243-21basename12:34:271
9790994918,24cyclictest15064-21tune2fs10:14:441
9790994917,27cyclictest638-21runrttasks08:40:271
9790994917,27cyclictest638-21runrttasks08:00:271
9790994917,26cyclictest638-21runrttasks12:07:401
9790994917,26cyclictest638-21runrttasks12:07:401
9790994916,28cyclictest638-21runrttasks08:58:221
9790994916,28cyclictest638-21runrttasks08:29:321
9790994915,29cyclictest638-21runrttasks08:33:341
9790994915,29cyclictest25347-21aten_rbpower_cu07:49:441
9790994915,29cyclictest10829-21awk07:09:461
9790994915,29cyclictest10829-21awk07:09:461
9790994915,28cyclictest26428-21sort12:09:541
9790994915,28cyclictest26428-21sort12:09:541
9790994914,29cyclictest13547-21/usr/sbin/munin08:45:011
979099491,42cyclictest13625-21unixbench_singl11:34:591
978699499,34cyclictest18996-21timerandwakeup11:49:560
978699493,40cyclictest23408-21latency_hist12:04:290
978699493,40cyclictest23408-21latency_hist12:04:290
978699492,42cyclictest24115-21unixbench_multi09:10:050
9786994914,30cyclictest3469-21timerandwakeup12:34:550
9786994914,29cyclictest24724-21grep07:45:040
9786994913,30cyclictest16542-21latency07:24:530
9786994912,32cyclictest19511-21fschecks_time08:59:470
9786994912,31cyclictest15806-21switchtime10:14:570
9786994910,33cyclictest31333-21uniq08:04:480
978699491,43cyclictest10718-21fschecks_count11:29:430
979699484,38cyclictest0-21swapper/212:04:532
979699484,38cyclictest0-21swapper/212:04:532
979699484,11cyclictest0-21swapper/209:04:462
979099489,34cyclictest638-21runrttasks08:08:151
979099487,35cyclictest11880-21ntp_states10:04:551
979099486,36cyclictest2535-21fschecks_count08:14:471
979099486,36cyclictest22410-21proc_pri07:39:581
979099486,36cyclictest20157-21timerandwakeup08:59:591
979099485,37cyclictest23423-21/usr/sbin/munin09:09:521
979099485,37cyclictest0-21swapper/110:04:311
979099484,38cyclictest0-21swapper/108:49:491
979099483,39cyclictest3666-21basename09:44:421
979099483,39cyclictest17784-21latency_hist11:49:291
9790994820,23cyclictest27933-21/usr/sbin/munin10:49:411
9790994817,26cyclictest31885-21open_inodes12:24:521
9790994816,26cyclictest30323-21cut10:54:471
9790994815,28cyclictest638-21runrttasks09:40:461
9790994814,28cyclictest554-21dbus-daemon10:09:311
9790994812,31cyclictest16083-21cut07:24:461
9790994812,30cyclictest12943-21needreboot07:14:521
9790994812,30cyclictest12943-21needreboot07:14:521
978699489,34cyclictest1192-21ntp_kernel_pll_08:09:540
978699488,34cyclictest19662-21expr10:25:000
978699485,36cyclictest0-21swapper/012:29:430
978699482,40cyclictest8501-21latency08:29:520
9786994817,26cyclictest16693-21latency11:44:460
9786994815,27cyclictest27535-21diskstats12:14:400
9786994813,30cyclictest28890-21switchtime10:49:570
9786994813,29cyclictest7594-21fschecks_count09:54:470
9786994812,31cyclictest554-21dbus-daemon10:00:300
9786994812,31cyclictest22609-21fschecks_time10:34:450
9786994812,31cyclictest22609-21fschecks_time10:34:450
9786994811,32cyclictest29868-21missed_timers12:19:480
9786994811,31cyclictest8163-21seq11:21:150
979699476,35cyclictest11112-21/usr/sbin/munin10:04:522
979699474,38cyclictest0-21swapper/212:14:462
979699474,38cyclictest0-21swapper/209:20:032
979699474,38cyclictest0-21swapper/208:17:302
979699474,37cyclictest0-21swapper/211:56:032
979699474,37cyclictest0-21swapper/211:41:512
979699474,10cyclictest0-21swapper/207:30:052
979699473,39cyclictest0-21swapper/209:29:482
979099476,35cyclictest20618-21sh10:29:431
979099476,35cyclictest20529-21open_inodes07:34:591
979099474,7cyclictest0-21swapper/112:34:511
979099473,38cyclictest14929-21sed11:39:481
9790994719,23cyclictest638-21runrttasks07:44:361
9790994717,25cyclictest25479-21cut09:14:521
9790994716,26cyclictest638-21runrttasks10:59:301
9790994714,28cyclictest638-21runrttasks11:30:031
9790994713,29cyclictest638-21runrttasks10:28:591
9790994713,29cyclictest638-21runrttasks07:57:251
9790994713,29cyclictest23147-21processes10:34:551
9790994713,29cyclictest23147-21processes10:34:551
9790994710,32cyclictest638-21runrttasks08:22:531
9786994717,24cyclictest13792-21fschecks_count08:44:470
9786994715,28cyclictest20568-21cpu10:29:430
9786994713,30cyclictest4467-21processes09:44:560
980299464,37cyclictest0-21swapper/307:20:023
980299464,37cyclictest0-21swapper/307:20:023
980299464,10cyclictest0-21swapper/307:24:553
979699466,34cyclictest24779-21/usr/sbin/munin09:14:452
979699465,6cyclictest0-21swapper/207:55:012
979699465,35cyclictest21920-21/usr/sbin/munin11:59:412
979699465,35cyclictest21920-21/usr/sbin/munin11:59:412
979699465,10cyclictest0-21swapper/210:19:412
979699464,9cyclictest0-21swapper/208:19:562
979699464,37cyclictest0-21swapper/211:49:532
979699464,37cyclictest0-21swapper/210:49:462
979699464,37cyclictest0-21swapper/210:29:472
979699464,37cyclictest0-21swapper/210:09:442
979699464,37cyclictest0-21swapper/210:00:072
979699464,37cyclictest0-21swapper/208:09:462
979699464,37cyclictest0-21swapper/207:49:492
979699464,36cyclictest0-21swapper/210:24:482
979699464,36cyclictest0-21swapper/208:46:292
979699464,36cyclictest0-21swapper/208:29:572
979699463,38cyclictest0-21swapper/208:29:272
979699463,37cyclictest8996-21sadc09:59:302
979699463,37cyclictest0-21swapper/207:45:042
979099466,34cyclictest638-21runrttasks08:10:201
979099466,34cyclictest28518-21/usr/sbin/munin09:24:451
979099465,34cyclictest7349-21/usr/sbin/munin09:54:431
979099464,36cyclictest0-21swapper/110:49:291
9786994614,26cyclictest25847-21timerwakeupswit09:15:000
9786994613,27cyclictest18545-21sed07:29:540
9786994611,30cyclictest5323-21unixbench-2d08:20:010
979699454,9cyclictest0-21swapper/207:39:442
979699454,36cyclictest0-21swapper/211:24:452
979699454,36cyclictest0-21swapper/211:04:552
979699454,36cyclictest0-21swapper/210:59:422
979699454,36cyclictest0-21swapper/210:54:562
979699454,36cyclictest0-21swapper/210:44:522
979699454,36cyclictest0-21swapper/209:34:532
979699454,35cyclictest0-21swapper/211:16:182
979699454,35cyclictest0-21swapper/210:17:432
979699454,35cyclictest0-21swapper/208:59:492
979699454,34cyclictest0-21swapper/211:19:402
979699453,37cyclictest0-21swapper/212:29:402
979699453,37cyclictest0-21swapper/212:09:432
979699453,37cyclictest0-21swapper/212:09:432
979699453,37cyclictest0-21swapper/207:19:512
979699453,37cyclictest0-21swapper/207:19:512
979699453,36cyclictest0-21swapper/209:49:542
979699453,11cyclictest0-21swapper/212:34:392
9796994510,5cyclictest0-21swapper/210:34:472
9796994510,5cyclictest0-21swapper/210:34:472
979099457,33cyclictest638-21runrttasks09:33:171
979099455,34cyclictest18015-21/usr/sbin/munin11:49:391
978699455,35cyclictest0-21swapper/012:04:400
978699455,35cyclictest0-21swapper/012:04:400
978699453,18cyclictest0-21swapper/008:54:510
980299443,34cyclictest0-21swapper/307:09:593
980299443,34cyclictest0-21swapper/307:09:593
980299442,9cyclictest17899-21aten_rbpower_en07:29:453
979699445,33cyclictest0-21swapper/209:39:432
979699444,36cyclictest0-21swapper/211:10:132
979699444,35cyclictest0-21swapper/211:47:352
979699444,35cyclictest0-21swapper/209:48:472
979699444,35cyclictest0-21swapper/208:34:532
979699444,35cyclictest0-21swapper/208:04:282
979699443,36cyclictest0-21swapper/212:19:412
979699443,36cyclictest0-21swapper/208:51:142
979699443,36cyclictest0-21swapper/207:35:222
979699443,34cyclictest22996-21aten_rbpower_po09:09:422
9790994410,30cyclictest1409-21fschecks_count11:04:431
979699434,9cyclictest0-21swapper/207:14:572
979699434,9cyclictest0-21swapper/207:14:572
979699434,35cyclictest0-21swapper/208:07:472
979699434,33cyclictest0-21swapper/208:39:432
979699424,9cyclictest0-21swapper/207:11:562
979699424,9cyclictest0-21swapper/207:11:562
979699423,9cyclictest0-21swapper/207:27:212
305722393,7sleep30-21swapper/308:02:253
980299384,28cyclictest0-21swapper/307:34:543
73722383,7sleep30-21swapper/308:25:313
19502383,6sleep30-21swapper/312:31:053
99392373,6sleep30-21swapper/311:25:053
9802993725,7cyclictest2778-21wc09:40:013
9802993725,7cyclictest23466-21sed10:35:003
9802993725,7cyclictest23466-21sed10:35:003
9802993720,13cyclictest7855-21wc11:19:573
55922373,6sleep30-21swapper/308:21:363
143542373,7sleep30-21swapper/310:11:093
9802993623,8cyclictest26072-21netstat07:49:553
9182363,7sleep30-21swapper/311:04:053
37922364,6sleep30-21swapper/312:35:513
327342363,6sleep30-21swapper/312:29:193
199492364,6sleep30-21swapper/310:26:023
980299353,27cyclictest12280-21grep10:05:013
980299353,27cyclictest0-21swapper/310:31:093
9802993523,7cyclictest567-21tr09:34:543
70012353,6sleep30-21swapper/309:52:583
303862353,6sleep30-21swapper/309:29:413
278942354,25sleep327952-21ntpdc07:54:523
251612353,6sleep30-21swapper/312:08:073
251612353,6sleep30-21swapper/312:08:073
249952353,6sleep30-21swapper/307:48:003
176942353,6sleep30-21swapper/311:48:273
980299343,24cyclictest1367-21/usr/sbin/munin08:09:583
9802993423,6cyclictest21145-21vmstat11:54:593
9802993422,7cyclictest4498-21sendmail_mailst09:44:563
270552343,6sleep30-21swapper/310:44:573
264082343,6sleep30-21swapper/309:19:183
9802993323,6cyclictest31333-21uniq08:04:483
9802993321,7cyclictest2707-21cut08:14:483
9802993314,14cyclictest548-21NetworkManager08:59:323
223112334,6sleep30-21swapper/307:39:563
980299324,24cyclictest0-21swapper/311:51:283
980299324,24cyclictest0-21swapper/311:36:193
980299324,23cyclictest0-21swapper/309:06:263
9802993222,6cyclictest8390-21sort09:55:003
9802993221,7cyclictest9409-21grep09:59:443
9802993221,7cyclictest19580-21idleruntime08:59:473
9802993220,7cyclictest25337-21grep10:40:023
9802993217,9cyclictest548-21NetworkManager12:19:283
980299317,19cyclictest0-21swapper/309:19:473
980299314,23cyclictest0-21swapper/311:04:423
980299314,22cyclictest0-21swapper/312:19:053
980299314,22cyclictest0-21swapper/311:39:333
9802993121,6cyclictest22168-21idleruntime11:59:433
9802993121,6cyclictest22168-21idleruntime11:59:433
980299304,22cyclictest0-21swapper/311:32:433
980299304,22cyclictest0-21swapper/310:14:473
980299304,22cyclictest0-21swapper/308:49:353
980299303,23cyclictest0-21swapper/309:12:193
980299303,23cyclictest0-21swapper/308:39:523
980299303,22cyclictest0-21swapper/311:14:583
9802993019,6cyclictest28701-21forks09:24:453
9802993018,7cyclictest28287-21grep10:49:453
980299294,21cyclictest0-21swapper/308:30:043
980299294,20cyclictest0-21swapper/311:09:393
980299294,20cyclictest0-21swapper/310:55:593
980299293,22cyclictest0-21swapper/310:24:153
980299293,20cyclictest10733-21/usr/sbin/munin08:35:003
9802992916,8cyclictest14283-21ntp_kernel_pll_08:44:543
980299274,18cyclictest0-21swapper/312:09:523
980299274,18cyclictest0-21swapper/312:09:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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