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2026-11-02 - 12:07
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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 all highest latencies:
System rackbslot4.osadl.org (updated Mon Nov 02, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198322720,4sleep119-21rcuc/100:31:341
16110997019,44cyclictest12254-21grep21:26:371
16110996912,51cyclictest0-21swapper/123:25:071
16110996912,51cyclictest0-21swapper/123:25:071
16110996620,14cyclictest6807-21/usr/sbin/munin22:46:351
16110996618,14cyclictest31669-21/usr/sbin/munin19:46:491
16110996617,43cyclictest19865-21/usr/sbin/munin20:41:441
16110996617,43cyclictest19865-21/usr/sbin/munin20:41:441
16110996515,44cyclictest15253-21ssh00:26:041
16110996417,41cyclictest22539-21grep23:06:511
16110996417,40cyclictest26010-21diskstats23:56:321
16110996320,37cyclictest18590-21/usr/sbin/munin23:46:321
16110996316,41cyclictest8204-21aten_rbpower_en21:21:321
16110996316,41cyclictest3247-21ssh00:09:031
16110996221,36cyclictest8158-21ssh22:04:471
16110996217,39cyclictest28639-21ssh22:31:471
16110996217,39cyclictest28639-21ssh22:31:471
16110996217,39cyclictest16548-21basename22:16:311
16110996216,40cyclictest17487-21ssh21:33:011
16110996216,40cyclictest17487-21ssh21:33:011
16110996216,40cyclictest16643-21ssh00:26:431
16110996216,40cyclictest11224-21ssh00:20:191
16110996216,40cyclictest11000-21/usr/sbin/munin23:36:441
16110996216,40cyclictest10080-21ssh23:34:541
16110996216,39cyclictest4651-21aten_rbpower_vo00:11:301
16110996215,13cyclictest17233-21ksmtuned23:01:191
16110996213,42cyclictest11502-21ssh22:51:551
16110996119,36cyclictest22319-21/usr/sbin/munin19:21:501
16110996117,38cyclictest645-21snmpd20:38:101
16110996117,38cyclictest645-21snmpd20:38:101
16110996117,38cyclictest24890-21/usr/sbin/munin23:11:421
16110996117,37cyclictest3611-21/usr/sbin/munin23:26:291
16110996116,39cyclictest26216-21ssh21:45:511
16110996116,39cyclictest22108-21/usr/sbin/munin23:51:471
16110996116,39cyclictest22108-21/usr/sbin/munin23:51:471
16110996116,39cyclictest16352-21ssh23:42:231
16110996019,35cyclictest6384-21taskset20:04:211
16110996018,36cyclictest25918-21ssh22:28:091
16110996018,36cyclictest20144-21cat21:36:461
16110996018,36cyclictest20144-21cat21:36:461
16110996016,38cyclictest17495-21/usr/sbin/munin23:01:461
16110995918,35cyclictest28760-21df23:16:311
16110995918,35cyclictest2300-21/usr/sbin/munin21:56:401
16110995918,35cyclictest14456-21ssh22:12:211
16110995917,36cyclictest3334-21missed_timers22:41:411
16110995917,36cyclictest22273-21ssh22:23:161
16110995917,36cyclictest20453-21/usr/sbin/munin19:16:471
16110995916,38cyclictest0-21swapper/122:09:001
16110995915,38cyclictest29151-21latency_hist21:06:221
16110995915,38cyclictest0-21swapper/100:04:241
16110995912,40cyclictest0-21swapper/122:36:561
1612799585,46cyclictest0-21swapper/323:50:063
16110995818,35cyclictest2055-21sed21:11:541
16110995817,9cyclictest1171-21ssh21:55:431
16110995817,35cyclictest10516-21/usr/sbin/munin20:16:421
16110995816,36cyclictest7162-21perl20:06:391
16110995816,35cyclictest5422-21/usr/sbin/munin21:16:471
16110995815,37cyclictest27583-21ntp_states21:46:471
16110995814,37cyclictest589-21gdbus19:41:241
16110995813,40cyclictest30912-21ssh21:07:181
16110995813,39cyclictest18970-21perl19:11:411
1612799578,43cyclictest0-21swapper/321:13:203
16110995718,33cyclictest29797-21/usr/sbin/munin19:41:361
16110995714,37cyclictest2976-21latency_hist19:56:241
16110995617,34cyclictest23602-21/usr/sbin/munin20:51:331
16110995613,37cyclictest593-21polkitd20:16:231
1610699564,46cyclictest0-21swapper/023:23:410
1610699564,46cyclictest0-21swapper/023:23:410
1610699564,10cyclictest0-21swapper/023:07:070
1612799554,45cyclictest0-21swapper/323:13:173
1610699554,45cyclictest0-21swapper/022:48:580
1612799544,9cyclictest0-21swapper/322:47:083
1612799544,44cyclictest0-21swapper/323:21:173
16110995415,34cyclictest12381-21/usr/sbin/munin20:21:401
1610699544,44cyclictest0-21swapper/000:35:350
1610699543,46cyclictest0-21swapper/022:21:370
1610699543,45cyclictest0-21swapper/021:18:010
16127995311,37cyclictest27040-21fschecks_count21:46:383
1610699534,44cyclictest0-21swapper/022:55:080
1610699533,44cyclictest0-21swapper/021:08:200
16106995311,37cyclictest0-21swapper/021:29:220
1612799527,40cyclictest5386-21kworker/3:100:36:173
1611099529,38cyclictest0-21swapper/120:00:251
1610699525,40cyclictest0-21swapper/022:18:180
1610699524,42cyclictest0-21swapper/023:55:580
1610699524,42cyclictest0-21swapper/023:55:580
1610699524,42cyclictest0-21swapper/023:37:270
1610699524,42cyclictest0-21swapper/022:10:590
1610699524,41cyclictest0-21swapper/021:12:300
1610699523,43cyclictest0-21swapper/021:22:500
1612799514,41cyclictest0-21swapper/322:51:453
1612799512,44cyclictest27361-21/usr/sbin/munin21:01:403
16110995116,9cyclictest645-21snmpd20:33:341
16110995116,9cyclictest645-21snmpd20:33:341
16110995114,33cyclictest672-21runrttasks20:50:521
1610699513,42cyclictest0-21swapper/023:14:570
1610699512,7cyclictest25760-21ssh22:27:480
1612799504,40cyclictest0-21swapper/322:18:383
1612799504,40cyclictest0-21swapper/321:42:293
1612799503,41cyclictest0-21swapper/322:14:073
16127995012,32cyclictest0-21swapper/323:01:513
1610699504,6cyclictest0-21swapper/022:35:580
1610699504,6cyclictest0-21swapper/022:35:580
1610699503,7cyclictest17246-21ssh00:27:160
16106995012,32cyclictest0-21swapper/023:18:530
1610699501,44cyclictest7650irq/23-ehci_hcd23:01:340
1612799494,38cyclictest0-21swapper/323:33:293
1612799493,9cyclictest0-21swapper/322:29:283
1612799493,41cyclictest0-21swapper/322:45:283
1612799493,41cyclictest0-21swapper/322:06:293
1612799493,40cyclictest0-21swapper/322:36:383
1612799493,40cyclictest0-21swapper/321:31:103
16127994910,34cyclictest1975-21timerandwakeup00:06:473
1610699499,34cyclictest0-21swapper/021:37:320
1610699499,34cyclictest0-21swapper/021:37:320
1610699498,35cyclictest0-21swapper/000:19:130
1610699494,39cyclictest0-21swapper/019:22:170
1610699493,41cyclictest0-21swapper/023:57:480
1610699493,41cyclictest0-21swapper/023:28:470
1610699493,41cyclictest0-21swapper/022:12:590
1610699493,41cyclictest0-21swapper/021:57:390
1610699492,4cyclictest29014-21diskmemload21:31:420
1610699492,4cyclictest29014-21diskmemload21:31:420
16106994911,32cyclictest0-21swapper/022:58:280
16106994911,32cyclictest0-21swapper/022:44:070
16106994911,32cyclictest0-21swapper/000:23:570
44382484,8sleep30-21swapper/321:59:443
1612799489,5cyclictest0-21swapper/323:21:413
1612799489,5cyclictest0-21swapper/323:21:413
1612799484,40cyclictest0-21swapper/323:58:363
1612799484,38cyclictest0-21swapper/323:28:273
1612799484,37cyclictest0-21swapper/323:36:533
1612799484,37cyclictest0-21swapper/321:10:213
16127994817,26cyclictest13190-21unixbench-2d00:21:483
16127994811,6cyclictest0-21swapper/321:17:553
1610699485,38cyclictest0-21swapper/023:49:120
1610699485,37cyclictest0-21swapper/021:01:500
1610699485,10cyclictest0-21swapper/019:41:440
1610699484,39cyclictest0-21swapper/020:31:550
1610699484,39cyclictest0-21swapper/020:31:550
1610699484,37cyclictest0-21swapper/000:01:340
1610699482,40cyclictest3017-21/usr/sbin/munin19:56:480
16106994811,32cyclictest0-21swapper/000:15:320
16106994811,31cyclictest0-21swapper/022:38:510
300732470,3sleep230086-21uname00:01:382
1612799478,33cyclictest0-21swapper/321:37:453
1612799478,33cyclictest0-21swapper/321:37:453
1612799474,9cyclictest0-21swapper/300:11:453
1612799474,37cyclictest0-21swapper/323:43:453
1612799474,37cyclictest0-21swapper/321:54:103
1612799474,37cyclictest0-21swapper/300:17:413
1612799474,36cyclictest0-21swapper/323:09:543
1612799473,39cyclictest0-21swapper/322:21:283
16110994715,26cyclictest2606050/usr/sbin/munin19:31:421
1610699478,7cyclictest0-21swapper/021:42:000
1610699475,7cyclictest0-21swapper/020:51:220
1610699474,37cyclictest0-21swapper/023:42:090
1610699474,37cyclictest0-21swapper/021:54:030
1610699474,37cyclictest0-21swapper/021:48:060
1610699474,37cyclictest0-21swapper/020:56:460
1610699474,37cyclictest0-21swapper/020:06:370
1610699474,37cyclictest0-21swapper/019:51:580
1610699473,39cyclictest0-21swapper/020:21:480
1610699473,38cyclictest0-21swapper/000:09:160
16106994710,5cyclictest0-21swapper/022:02:190
16106994710,31cyclictest0-21swapper/023:34:430
1612799466,17cyclictest0-21swapper/321:32:033
1612799466,17cyclictest0-21swapper/321:32:033
1612799464,5cyclictest0-21swapper/300:27:263
1612799464,37cyclictest0-21swapper/319:26:403
1612799464,36cyclictest0-21swapper/321:23:103
1612799464,36cyclictest0-21swapper/320:11:403
1612799464,36cyclictest0-21swapper/319:13:513
1612799463,37cyclictest0-21swapper/320:46:463
1612799463,36cyclictest0-21swapper/319:51:503
16127994610,5cyclictest0-21swapper/322:58:543
1610699464,8cyclictest0-21swapper/019:21:240
1610699464,37cyclictest0-21swapper/019:47:190
1610699464,36cyclictest0-21swapper/019:31:370
1610699463,8cyclictest23602-21/usr/sbin/munin20:51:470
1610699463,14cyclictest0-21swapper/019:11:560
1610699462,38cyclictest29122-21grep19:36:540
83942453,8sleep30-21swapper/322:05:193
1612799457,32cyclictest0-21swapper/300:02:453
1612799454,6cyclictest0-21swapper/319:26:213
1612799454,36cyclictest0-21swapper/323:51:223
1612799454,36cyclictest0-21swapper/323:51:223
1612799454,35cyclictest0-21swapper/319:48:203
1610699454,9cyclictest0-21swapper/020:43:350
1610699454,9cyclictest0-21swapper/020:43:350
1610699454,8cyclictest0-21swapper/020:20:250
1610699454,36cyclictest0-21swapper/019:29:410
157532453,6sleep20-21swapper/222:15:162
1612799444,34cyclictest0-21swapper/322:33:103
1612799444,34cyclictest0-21swapper/322:33:103
1612799444,34cyclictest0-21swapper/320:44:193
1612799444,34cyclictest0-21swapper/320:44:193
1612799443,36cyclictest0-21swapper/319:06:523
1612799443,35cyclictest0-21swapper/320:59:143
1611999445,8cyclictest0-21swapper/200:18:472
1611099445,12cyclictest0-21swapper/119:11:141
1610699444,35cyclictest0-21swapper/020:38:340
1610699444,35cyclictest0-21swapper/020:38:340
1610699443,36cyclictest0-21swapper/020:01:400
1610699443,34cyclictest14412-21df20:26:350
1610699443,34cyclictest0-21swapper/020:11:430
31842432,5sleep23193-21ssh21:14:152
16110994323,15cyclictest14426-21/usr/sbin/munin20:26:361
215402423,6sleep20-21swapper/200:33:292
161932423,6sleep20-21swapper/222:59:072
142002429,25sleep00-21swapper/019:01:260
228872413,6sleep20-21swapper/223:07:322
16127994132,5cyclictest37-21ksoftirqd/320:41:223
16127994132,5cyclictest37-21ksoftirqd/320:41:223
16110994122,13cyclictest25473-21/usr/sbin/munin20:56:331
16110994021,14cyclictest24887-21/usr/sbin/munin19:26:481
312362393,8sleep30-21swapper/319:43:583
292562393,7sleep30-21swapper/319:37:383
1612799392,32cyclictest8427-21pluginstate20:11:233
136562393,8sleep30-21swapper/320:22:003
40812383,6sleep20-21swapper/200:10:552
311232383,6sleep20-21swapper/219:42:362
282462383,6sleep20-21swapper/223:16:142
16127993829,5cyclictest37-21ksoftirqd/320:56:223
1586323812,18sleep10-21swapper/119:06:221
1573023814,18sleep20-21swapper/219:04:462
44652373,6sleep20-21swapper/219:58:502
283152373,6sleep20-21swapper/221:47:192
1612799374,9cyclictest0-21swapper/319:16:403
1555623714,17sleep30-21swapper/319:02:423
274642363,6sleep20-21swapper/219:33:312
27342363,6sleep20-21swapper/219:55:442
194542363,6sleep20-21swapper/220:39:102
194542363,6sleep20-21swapper/220:39:102
1611999365,26cyclictest0-21swapper/223:19:022
16119993624,7cyclictest357-21grep19:46:552
162722352,26sleep016387-21users19:06:290
16127993524,7cyclictest571-21dbus-daemon20:06:233
1611999354,27cyclictest0-21swapper/223:43:492
1611999353,26cyclictest0-21swapper/223:46:232
156272353,27sleep30-21swapper/320:28:123
184712342,4sleep20-21swapper/221:35:122
184712342,4sleep20-21swapper/221:35:122
1611999345,23cyclictest0-21swapper/221:51:362
1611999345,23cyclictest0-21swapper/221:21:362
1611999344,25cyclictest0-21swapper/222:21:592
1611999344,24cyclictest0-21swapper/223:52:102
1611999344,24cyclictest0-21swapper/223:52:102
1611999343,26cyclictest0-21swapper/222:49:322
1611999343,18cyclictest64862awk22:01:492
16119993423,7cyclictest28246-21tune2fs19:36:382
16119993423,7cyclictest22740-21sort20:46:512
16119993423,7cyclictest18593-21cat23:01:492
16119993422,7cyclictest2904-21tune2fs22:41:352
161132343,7sleep30-21swapper/320:31:263
161132343,7sleep30-21swapper/320:31:263
1611999335,22cyclictest0-21swapper/223:26:372
1611999334,24cyclictest0-21swapper/222:39:022
1611999334,24cyclictest0-21swapper/222:36:162
1611999334,24cyclictest0-21swapper/222:36:162
16119993323,6cyclictest24836-21grep20:51:522
16119993322,7cyclictest15375-21grep20:26:522
16119993320,8cyclictest27926-21cat21:01:422
16119993313,15cyclictest24722-21cut19:26:452
139502333,6sleep20-21swapper/200:23:112
120382333,6sleep20-21swapper/220:19:582
16127993223,5cyclictest37-21ksoftirqd/319:36:243
16127993220,7cyclictest11703-21grep20:16:553
1611999324,24cyclictest0-21swapper/223:58:282
1611999324,24cyclictest0-21swapper/222:55:572
1611999324,24cyclictest0-21swapper/221:10:362
1611999324,23cyclictest0-21swapper/223:35:572
1611999324,23cyclictest0-21swapper/221:58:532
16119993222,6cyclictest5200-21netstat21:16:432
16119993221,7cyclictest718-21awk23:21:422
16119993221,7cyclictest718-21awk23:21:422
16119993220,7cyclictest24246-21ls21:41:492
16119993218,8cyclictest562-21NetworkManager19:11:242
16127993122,4cyclictest37-21ksoftirqd/319:56:413
1611999314,22cyclictest0-21swapper/220:56:392
1611999314,22cyclictest0-21swapper/220:31:492
1611999314,22cyclictest0-21swapper/220:31:492
16119993120,7cyclictest8524-21ls20:11:242
16119993119,8cyclictest7955-21crond00:16:172
1611999311,25cyclictest156952sleep200:26:282
1611999304,22cyclictest0-21swapper/222:11:182
1611999304,21cyclictest0-21swapper/220:21:302
1611999304,20cyclictest0-21swapper/223:36:372
16119993018,8cyclictest20767-21cut19:16:392
16119993018,8cyclictest20131-21cut20:41:372
16119993018,8cyclictest20131-21cut20:41:372
16119993017,8cyclictest16871-21uniq22:16:362
1611999295,18cyclictest0-21swapper/221:36:382
1611999295,18cyclictest0-21swapper/221:36:382
1611999294,19cyclictest0-21swapper/221:26:382
1611999292,23cyclictest9804-21grep20:11:542
16119992918,7cyclictest24393-21hwlatdetect22:26:362
1611999284,20cyclictest0-21swapper/219:21:472
1611999273,19cyclictest0-21swapper/220:01:242
1611999273,19cyclictest0-21swapper/219:11:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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