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2026-04-17 - 11:12
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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 Apr 17, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17170996914,48cyclictest28532-21/usr/sbin/munin20:43:010
1717499644,54cyclictest0-21swapper/119:02:441
1717099634,52cyclictest0-21swapper/021:23:100
17170996312,45cyclictest20719-21ls21:58:000
17170996221,36cyclictest638-21runrttasks20:06:310
17170996216,40cyclictest627-21snmpd23:32:370
17170996216,40cyclictest12323-21ntpq19:13:050
17170996213,43cyclictest468-21ssh22:13:250
1717099619,45cyclictest0-21swapper/020:53:410
17170996116,39cyclictest8275-21/usr/sbin/munin23:07:570
17170996016,38cyclictest30862-21/usr/sbin/munin18:38:120
17170996016,38cyclictest19060-21/usr/sbin/munin19:33:060
17170996015,39cyclictest22801-21/usr/sbin/munin19:43:140
17170996015,39cyclictest20929-21/usr/sbin/munin19:38:060
17170996014,40cyclictest2494-21fschecks_count18:47:580
17170996014,40cyclictest2494-21fschecks_count18:47:580
17170996014,40cyclictest17189-21/usr/sbin/munin19:27:580
17170996013,41cyclictest4606-21ssh20:11:300
17170996013,41cyclictest4606-21ssh20:11:300
1717499595,47cyclictest0-21swapper/121:59:391
1717499593,50cyclictest0-21swapper/122:29:571
17170995917,36cyclictest0-21swapper/022:37:480
17170995917,36cyclictest0-21swapper/022:37:480
17170995916,37cyclictest23820-21/usr/sbin/munin22:03:080
17170995915,39cyclictest32730-21/usr/sbin/munin18:43:100
17170995915,38cyclictest9704-21/usr/sbin/munin19:08:080
17170995914,39cyclictest7894-21ssh21:41:410
17170995913,40cyclictest7927-21grep22:23:090
17170995913,40cyclictest32526-21ssh22:57:030
17170995817,35cyclictest22267-21irqstats22:43:000
17170995817,35cyclictest20145-21iostat_ios23:22:560
17170995816,36cyclictest23075-21smart_sda21:18:100
17170995816,36cyclictest0-21swapper/022:20:420
17170995816,36cyclictest0-21swapper/021:06:360
17170995814,38cyclictest32389-21ssh21:31:040
17170995814,38cyclictest28471-21aten_rbpower_en19:57:550
17170995814,38cyclictest25125-21if_eth219:47:580
17170995814,38cyclictest18953-21sshd21:13:020
17170995813,39cyclictest20281-21latency_hist20:32:430
17170995812,41cyclictest14343-21ssh20:23:220
17170995812,40cyclictest0-21swapper/020:42:150
1717099578,43cyclictest0-21swapper/021:34:100
17170995715,9cyclictest16251-21/usr/sbin/munin21:52:500
17170995715,36cyclictest1795-21ssh20:50:270
17170995714,38cyclictest0-21swapper/020:34:070
17170995714,37cyclictest15316-21/usr/sbin/munin19:23:020
17170995714,36cyclictest16012-21df_inode23:17:520
17170995712,40cyclictest12363-21ssh21:47:420
17170995712,39cyclictest11247-21ssh22:28:040
17170995711,40cyclictest15106-21kworker/0:120:13:260
17170995710,41cyclictest0-21swapper/022:49:260
17170995619,32cyclictest12051-21ssh23:12:490
17170995616,34cyclictest26535-21/usr/sbin/munin19:53:080
17170995615,35cyclictest8648-21/usr/sbin/munin21:43:060
17170995614,37cyclictest16728-21ssh22:35:430
17170995614,36cyclictest13613-21diskstats19:17:550
17170995614,36cyclictest11255-21ssh20:19:460
17170995613,38cyclictest3485-21ssh23:01:070
17170995613,38cyclictest3485-21ssh23:01:070
17170995612,38cyclictest7349-21fschecks_time20:57:560
17170995612,38cyclictest7349-21fschecks_time20:57:560
1717499553,47cyclictest0-21swapper/121:08:201
17170995518,31cyclictest14488-21/usr/sbin/munin21:08:070
17170995511,38cyclictest0-21swapper/023:03:220
17170995510,39cyclictest0-21swapper/022:11:280
1717499543,46cyclictest0-21swapper/122:36:381
1717499543,46cyclictest0-21swapper/121:14:201
1717499543,45cyclictest0-21swapper/120:37:521
1717499537,41cyclictest0-21swapper/121:42:201
1717499524,9cyclictest0-21swapper/123:14:081
1717499524,42cyclictest0-21swapper/121:20:401
1717499524,42cyclictest0-21swapper/120:54:511
1717499524,41cyclictest0-21swapper/122:08:491
1717499522,45cyclictest6747-21diskstats22:22:511
1717499522,44cyclictest10620-21ssh20:18:221
167562529,15sleep10-21swapper/118:00:371
1717499514,41cyclictest0-21swapper/123:06:081
1717499513,44cyclictest0-21swapper/120:43:091
1717499509,35cyclictest0-21swapper/120:17:161
1717499504,40cyclictest0-21swapper/122:42:361
1717499504,40cyclictest0-21swapper/122:42:361
1717499504,40cyclictest0-21swapper/121:06:091
1717499504,13cyclictest0-21swapper/120:27:141
1717499503,43cyclictest0-21swapper/121:51:011
1717499503,41cyclictest0-21swapper/118:33:061
1717499503,39cyclictest0-21swapper/122:43:121
17170995015,9cyclictest627-21snmpd19:06:410
1718599494,39cyclictest0-21swapper/320:38:133
1717499497,36cyclictest0-21swapper/122:06:371
1717499497,36cyclictest0-21swapper/120:27:581
1717499494,40cyclictest0-21swapper/118:23:001
1717499494,39cyclictest0-21swapper/123:19:211
1717499494,39cyclictest0-21swapper/121:46:201
1717499492,14cyclictest1550-21interrupts21:32:561
17174994911,31cyclictest0-21swapper/122:47:571
1718599485,38cyclictest0-21swapper/323:13:053
1717499489,34cyclictest0-21swapper/120:49:131
1717499488,9cyclictest30665-21vmstat22:53:091
1717499488,35cyclictest0-21swapper/122:18:381
1717499487,35cyclictest0-21swapper/121:24:201
1717499484,40cyclictest0-21swapper/120:37:371
1717499484,39cyclictest0-21swapper/122:13:111
1717499483,40cyclictest0-21swapper/121:30:551
1717499483,40cyclictest0-21swapper/120:09:421
1717499483,40cyclictest0-21swapper/120:09:421
17174994813,29cyclictest638-21runrttasks20:58:011
17174994813,29cyclictest638-21runrttasks20:58:011
1718599474,37cyclictest0-21swapper/322:48:073
1718599474,37cyclictest0-21swapper/320:51:043
1718199478,33cyclictest0-21swapper/222:53:202
1717499478,34cyclictest0-21swapper/123:24:431
1717499478,34cyclictest0-21swapper/123:01:371
1717499478,34cyclictest0-21swapper/123:01:371
1717499477,35cyclictest0-21swapper/123:29:361
1717499474,38cyclictest0-21swapper/121:53:111
1717499473,40cyclictest0-21swapper/123:09:181
1717499473,39cyclictest0-21swapper/120:03:221
1717499473,39cyclictest0-21swapper/119:02:521
1717499464,36cyclictest0-21swapper/119:15:091
1717499463,38cyclictest0-21swapper/118:07:551
225482453,7sleep10-21swapper/119:42:251
196602453,7sleep10-21swapper/119:33:031
1718599457,7cyclictest4047-21cut20:53:073
1718599457,32cyclictest0-21swapper/322:38:173
1718599457,32cyclictest0-21swapper/322:38:173
1718599455,34cyclictest0-21swapper/322:56:253
1718599455,34cyclictest0-21swapper/321:07:483
1718599455,34cyclictest0-21swapper/320:58:193
1718599455,34cyclictest0-21swapper/320:58:193
1718599454,36cyclictest0-21swapper/323:09:423
1718599454,36cyclictest0-21swapper/323:04:253
1718599454,36cyclictest0-21swapper/322:58:013
1718599454,36cyclictest0-21swapper/322:58:013
1718199455,7cyclictest0-21swapper/221:38:052
1717499458,32cyclictest0-21swapper/118:38:011
1717499453,37cyclictest30069-21crond20:02:431
1717499453,37cyclictest0-21swapper/119:52:531
1717499453,37cyclictest0-21swapper/118:42:581
1717499453,36cyclictest0-21swapper/119:42:491
1717499453,36cyclictest0-21swapper/118:32:221
184722443,7sleep10-21swapper/119:28:251
1718599444,34cyclictest0-21swapper/322:17:053
1718599444,34cyclictest0-21swapper/322:08:063
1718599444,33cyclictest0-21swapper/320:13:103
1718599443,35cyclictest0-21swapper/321:22:503
1718199444,35cyclictest0-21swapper/218:03:082
1717499443,36cyclictest0-21swapper/118:13:041
1717499443,35cyclictest2881-21date18:48:041
1717499443,35cyclictest2881-21date18:48:041
1717499443,34cyclictest0-21swapper/118:53:001
1717499443,16cyclictest0-21swapper/118:18:101
172802433,6sleep30-21swapper/322:36:543
1718599434,35cyclictest0-21swapper/320:33:033
1718599433,8cyclictest0-21swapper/321:53:043
1718599433,35cyclictest0-21swapper/323:28:103
1718599433,34cyclictest12110-21/usr/sbin/munin21:03:143
17185994324,14cyclictest548-21NetworkManager18:57:433
1718199435,32cyclictest0-21swapper/222:33:232
1717499434,17cyclictest0-21swapper/118:06:361
1717499433,36cyclictest0-21swapper/119:18:071
1717499433,35cyclictest0-21swapper/119:49:391
23872423,6sleep20-21swapper/222:58:472
23872423,6sleep20-21swapper/222:58:472
1718599423,15cyclictest0-21swapper/321:50:133
1717499423,8cyclictest0-21swapper/119:22:441
148672423,6sleep20-21swapper/219:20:052
221732413,6sleep20-21swapper/221:59:462
289352403,6sleep20-21swapper/222:52:352
17185994031,5cyclictest37-21ksoftirqd/319:02:433
1717499402,33cyclictest11354-21latency_hist19:12:441
17170994023,12cyclictest6700-21ntp_kernel_pll_18:58:050
17170994018,17cyclictest29158-21df_inode18:32:570
17170994018,17cyclictest24444-21timerwakeupswit18:18:120
17170994017,18cyclictest19647-21aten_rbpower_cu18:07:550
116792403,6sleep30-21swapper/320:20:423
52132393,6sleep20-21swapper/222:20:232
284112393,6sleep20-21swapper/221:25:412
280452393,6sleep20-21swapper/219:55:502
246712393,6sleep30-21swapper/318:18:253
218642393,6sleep30-21swapper/321:59:073
19452393,6sleep30-21swapper/318:47:143
17181993924,8cyclictest25114-21taskset22:03:102
17181993922,13cyclictest6250-21cut18:57:572
17170993920,14cyclictest4252-21df_inode18:52:570
17170993916,17cyclictest22511-21timerandwakeup18:13:130
67612382,6sleep26935-21tune2fs22:22:522
303342383,6sleep20-21swapper/220:02:502
201452382,10sleep30-21swapper/318:08:033
193012383,6sleep20-21swapper/220:30:592
17170993819,13cyclictest18164-21fschecks_time18:02:590
17170993813,19cyclictest27535-21/usr/sbin/munin18:27:590
17170993813,19cyclictest25592-21fschecks_time18:23:000
13142383,6sleep20-21swapper/220:49:272
128142383,7sleep20-21swapper/221:04:442
323382373,6sleep30-21swapper/318:40:423
299892373,6sleep20-21swapper/220:01:452
298102373,6sleep30-21swapper/319:59:373
233472373,7sleep30-21swapper/322:43:423
1718199374,29cyclictest0-21swapper/222:17:222
1718199373,29cyclictest0-21swapper/221:12:502
1685623714,17sleep30-21swapper/318:01:513
1674523715,16sleep00-21swapper/018:00:280
1655423714,17sleep20-21swapper/217:58:172
153102373,6sleep30-21swapper/319:22:513
327292363,6sleep20-21swapper/218:42:552
313762363,6sleep30-21swapper/321:28:563
206782363,6sleep20-21swapper/219:37:232
1718599363,28cyclictest0-21swapper/320:47:183
17185993625,7cyclictest13928-21cat20:23:113
17185993623,8cyclictest31619-21grep20:03:123
1718199364,28cyclictest0-21swapper/221:12:252
1718199364,27cyclictest0-21swapper/222:11:482
17181993624,7cyclictest25733-21cat19:48:112
46842353,26sleep20-21swapper/220:53:332
278172353,6sleep30-21swapper/319:53:213
222492353,6sleep20-21swapper/219:38:482
17185993523,7cyclictest145492sleep319:18:123
1718199354,26cyclictest0-21swapper/221:47:492
112842353,6sleep30-21swapper/319:11:573
17185993422,8cyclictest19057-21awk20:30:273
17185993422,7cyclictest22827-21cut19:42:543
1718199344,25cyclictest0-21swapper/221:45:082
1718199344,25cyclictest0-21swapper/218:32:592
1718199344,24cyclictest0-21swapper/222:44:172
1718199343,27cyclictest0-21swapper/223:31:422
1718199343,25cyclictest0-21swapper/218:53:082
114772343,6sleep20-21swapper/223:12:032
304652333,6sleep30-21swapper/318:35:393
17185993321,8cyclictest21571-21tr18:12:563
1718599332,16cyclictest232432grep21:18:123
1718199333,26cyclictest0-21swapper/220:37:112
17181993316,12cyclictest30079-21diskmemload21:31:562
65052322,4sleep20-21swapper/223:04:302
17185993221,7cyclictest10618-21fschecks_count22:27:543
17185993220,7cyclictest2671-21rt-features20:08:083
17185993220,7cyclictest2671-21rt-features20:08:083
17185993220,7cyclictest15909-21wget23:17:503
17185993219,7cyclictest19924-21uniq23:22:543
17185993217,7cyclictest6189-21head21:38:113
1718199324,24cyclictest0-21swapper/223:20:072
1718199324,24cyclictest0-21swapper/222:39:122
1718199324,24cyclictest0-21swapper/222:39:122
1718199324,24cyclictest0-21swapper/220:10:062
1718199324,24cyclictest0-21swapper/220:10:062
1718199324,24cyclictest0-21swapper/218:12:092
1718199324,23cyclictest0-21swapper/223:23:422
1718199324,23cyclictest0-21swapper/220:44:342
1718199324,23cyclictest0-21swapper/220:41:412
1718199323,25cyclictest0-21swapper/220:24:262
1718199323,24cyclictest0-21swapper/223:12:492
17181993221,7cyclictest17618-21idleruntime19:28:002
17181993219,8cyclictest6166-21sed20:13:042
17185993121,6cyclictest7926-21unixbench_singl22:23:093
1718199314,23cyclictest0-21swapper/221:35:252
1718199314,23cyclictest0-21swapper/220:20:312
1718199314,22cyclictest0-21swapper/218:17:242
1718199313,24cyclictest0-21swapper/221:19:022
17181993121,6cyclictest10794-21timerwakeupswit19:08:122
17181993114,12cyclictest24012-21missed_timers18:18:042
1718599304,21cyclictest0-21swapper/321:42:533
1718599304,20cyclictest0-21swapper/319:37:523
17185993020,6cyclictest17200-21aten_rbpower_cu19:27:543
17185993019,7cyclictest8262-21idleruntime19:02:573
17185993019,6cyclictest638-21runrttasks22:04:553
17185993017,7cyclictest1396-21tune2fs21:32:543
17185993013,11cyclictest554-21dbus-daemon18:27:463
1718199304,21cyclictest0-21swapper/219:12:562
17181993020,6cyclictest10636-21fschecks_count22:27:542
1718599293,21cyclictest0-21swapper/318:03:073
17185992919,6cyclictest26145-21sendmail_mailtr18:23:113
17185992919,6cyclictest19332-21fschecks_count19:32:583
17185992917,7cyclictest25700-21sort19:48:113
17185992916,8cyclictest548-21NetworkManager19:17:433
17185992916,8cyclictest18631-21cut21:12:563
1718199294,21cyclictest0-21swapper/220:59:302
1718199294,21cyclictest0-21swapper/220:59:302
1718199294,20cyclictest0-21swapper/218:47:552
1718199294,20cyclictest0-21swapper/218:47:552
1718199294,20cyclictest0-21swapper/218:37:592
1718199293,23cyclictest0-21swapper/221:53:232
1718199293,21cyclictest0-21swapper/219:02:522
17181992918,7cyclictest23230-21idleruntime19:42:592
17181992917,7cyclictest16178-21rt-features19:23:092
17185992818,6cyclictest3515-21missed_timers22:18:013
17185992818,6cyclictest2622-21hwlatdetect18:47:593
17185992818,6cyclictest2622-21hwlatdetect18:47:593
1718199274,17cyclictest0-21swapper/218:28:142
17181992717,6cyclictest26786-21ps18:26:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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