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2026-07-25 - 10:58
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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 Sat Jul 25, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29086997416,52cyclictest0-21swapper/323:39:593
29067997415,53cyclictest14533-21grep20:39:430
29086997021,43cyclictest14544-21ntp_states20:39:443
29086996819,43cyclictest12239-21/usr/sbin/munin19:14:383
29086996817,45cyclictest31327-21grep23:09:483
29067996810,52cyclictest0-21swapper/023:09:390
29086996721,39cyclictest3463-21/usr/sbin/munin22:34:343
29086996622,38cyclictest23474-21/usr/sbin/munin19:44:473
29086996620,40cyclictest4574-21ssh23:18:363
29086996620,40cyclictest4574-21ssh23:18:363
29086996620,40cyclictest367-21/usr/sbin/munin20:09:463
29086996619,41cyclictest32150-21cut22:29:303
29086996618,42cyclictest6200-21cpu20:24:353
29067996610,12cyclictest0-21swapper/021:05:320
29086996522,37cyclictest2844-21ssh21:07:413
29086996522,37cyclictest19185-21ssh20:45:263
29086996522,37cyclictest10757-21ssh21:59:593
29086996521,38cyclictest3820-21missed_timers23:59:383
29086996521,38cyclictest28507-21iostat23:49:343
29086996521,12cyclictest15881-21latency_hist19:24:233
29086996520,38cyclictest31206-21ssh22:28:073
29086996520,38cyclictest10369-21/usr/sbin/munin19:09:463
29086996519,40cyclictest22259-21missed_timers19:39:433
29086996512,47cyclictest2000-21ssh23:57:283
29086996424,34cyclictest655-21lldpd19:08:153
29086996422,37cyclictest27677-21crond23:49:163
29086996421,38cyclictest10082-21entropy20:34:343
29086996419,39cyclictest25171-21missed_timers22:19:403
29086996419,38cyclictest3898-21/usr/sbin/munin21:09:333
29086996415,43cyclictest0-21swapper/323:32:193
29086996323,34cyclictest629-21snmpd20:21:483
29086996321,36cyclictest28329-21ssh21:40:353
29086996321,36cyclictest19584-21sendmail_mailst22:54:443
29086996321,36cyclictest15595-21ssh22:07:123
29086996320,38cyclictest24642-21ssh20:54:143
29086996320,37cyclictest7925-21ssh21:57:003
29086996320,37cyclictest7925-21ssh21:57:003
29086996320,37cyclictest31750-21ssh21:03:193
29086996320,37cyclictest31750-21ssh21:03:193
29086996320,37cyclictest25054-21/usr/sbin/munin20:54:333
29086996320,37cyclictest19885-21ntpq21:29:443
29086996319,38cyclictest28904-21ssh23:07:383
29086996319,38cyclictest25890-21crond23:04:173
29086996315,42cyclictest13046-21ssh21:20:133
29086996222,35cyclictest629-21snmpd23:19:293
29086996222,35cyclictest629-21snmpd23:19:293
29086996222,34cyclictest6632-21/usr/sbin/munin18:59:513
29086996222,34cyclictest629-21snmpd18:41:503
29086996220,36cyclictest17532-21/usr/sbin/munin22:09:383
29086996220,36cyclictest14751-21ssh22:49:223
29086996220,36cyclictest14751-21ssh22:49:223
29086996219,37cyclictest30961-21/usr/sbin/munin20:04:443
29086996219,37cyclictest30961-21/usr/sbin/munin20:04:443
29086996219,37cyclictest1025-21/usr/sbin/munin18:44:453
29086996218,38cyclictest7933-21/usr/sbin/munin20:29:433
29086996218,38cyclictest25343-21/usr/sbin/munin19:49:503
29086996217,39cyclictest11631-21latency22:44:363
29086996216,41cyclictest31669-21unixbench_multi21:44:523
29086996119,37cyclictest3736-21ssh21:51:073
29086996119,37cyclictest27976-21ntp_states19:54:463
29086996119,37cyclictest27976-21ntp_states19:54:463
29086996119,36cyclictest29418-21perl19:59:363
29086996119,36cyclictest29418-21perl19:59:363
29086996118,37cyclictest17863-21/usr/sbin/munin19:29:323
29086996114,42cyclictest0-21swapper/322:16:513
29067996116,39cyclictest21606-21/usr/sbin/munin19:39:360
29067996112,42cyclictest21250-21open_inodes23:39:400
29086996021,33cyclictest15977-21/usr/sbin/munin19:24:483
29086996020,34cyclictest18275-21ssh23:35:243
29086996018,37cyclictest7256-21cut22:39:283
29086996017,37cyclictest23316-21iwlist21:34:353
29086996016,38cyclictest15303-21aten_rbpower_po21:24:303
29086996015,39cyclictest0-21swapper/323:25:313
29067996017,36cyclictest28803-21ntpq23:49:400
29086995915,39cyclictest0-21swapper/321:17:453
2858025913,17sleep20-21swapper/218:31:222
29086995819,33cyclictest4546-21sh18:54:233
29067995815,37cyclictest6626-21/usr/sbin/munin21:54:470
29067995815,37cyclictest6626-21/usr/sbin/munin21:54:470
29067995813,39cyclictest13637-21ntpq23:29:410
29086995716,35cyclictest21387-21idleruntime-cro19:39:223
29067995715,36cyclictest27801-21ssh23:05:160
29067995715,36cyclictest25750-21ssh21:38:080
29067995715,36cyclictest16141-21grep21:24:440
29067995710,41cyclictest0-21swapper/021:39:570
29086995618,33cyclictest643-21runrttasks20:17:473
2907899564,46cyclictest0-21swapper/223:38:312
2907899563,47cyclictest0-21swapper/222:58:302
2906799564,13cyclictest0-21swapper/000:03:580
29067995616,34cyclictest11140-21/usr/sbin/munin22:44:290
29067995614,36cyclictest9445-21df21:59:290
29067995614,36cyclictest928-21ssh21:48:090
29067995613,38cyclictest13438-21ssh21:21:050
29067995612,38cyclictest13100-21ssh20:38:410
2907899554,45cyclictest0-21swapper/220:47:232
2906799557,41cyclictest28151-21ssh20:58:440
29067995516,34cyclictest28887-21awk20:59:320
29067995516,34cyclictest28887-21awk20:59:320
29067995514,35cyclictest22783-21perl22:59:300
29067995513,37cyclictest2437-21ssh22:32:440
29067995513,36cyclictest18017-21ssh23:34:520
29067995512,37cyclictest12120-21ssh23:28:270
29067995510,39cyclictest0-21swapper/023:23:180
29067995510,39cyclictest0-21swapper/023:23:180
29067995510,39cyclictest0-21swapper/022:17:500
29067995510,39cyclictest0-21swapper/021:31:110
2907199545,7cyclictest0-21swapper/123:19:091
2907199545,7cyclictest0-21swapper/123:19:091
2906799549,39cyclictest0-21swapper/022:24:170
2906799549,39cyclictest0-21swapper/022:06:110
29067995413,35cyclictest4549-21ssh21:52:510
29067995412,36cyclictest19895-21ssh20:47:000
29067995410,38cyclictest0-21swapper/022:51:350
29067995410,38cyclictest0-21swapper/022:51:350
29067995410,12cyclictest0-21swapper/023:47:410
29067995410,12cyclictest0-21swapper/022:27:160
2907899534,42cyclictest0-21swapper/222:47:112
2906799539,39cyclictest0-21swapper/022:12:480
2906799539,12cyclictest0-21swapper/020:51:110
2906799538,39cyclictest0-21swapper/023:15:440
2906799538,39cyclictest0-21swapper/023:15:440
29067995314,34cyclictest8971-21ssh22:40:310
29067995312,35cyclictest7651-21ssh21:14:250
29067995310,37cyclictest5434-21ssh22:36:040
2907899525,7cyclictest0-21swapper/222:06:512
2907899524,42cyclictest0-21swapper/223:33:052
2907899524,42cyclictest0-21swapper/222:17:412
2907899524,42cyclictest0-21swapper/221:26:042
2907899524,41cyclictest0-21swapper/221:05:072
2907899523,42cyclictest0-21swapper/220:54:322
29067995214,32cyclictest20969-21ssh22:56:530
29067995210,37cyclictest5552-21ssh21:10:230
2907899514,41cyclictest0-21swapper/221:56:502
2907899514,41cyclictest0-21swapper/221:56:502
2907899514,41cyclictest0-21swapper/221:31:522
2907899514,40cyclictest0-21swapper/220:35:332
2907899514,40cyclictest0-21swapper/220:26:482
2907899514,10cyclictest0-21swapper/200:01:282
2907899513,43cyclictest0-21swapper/219:40:242
2907899513,42cyclictest0-21swapper/222:30:002
2907899513,40cyclictest0-21swapper/223:02:102
2906799514,41cyclictest0-21swapper/019:05:200
29067995120,25cyclictest16966-21/usr/sbin/munin19:24:490
29067995113,33cyclictest1553-21ssh23:56:310
29067995111,34cyclictest2593-21grep20:14:360
29086995010,35cyclictest0-21swapper/318:59:233
2907899503,5cyclictest0-21swapper/222:20:412
2907899503,41cyclictest0-21swapper/223:46:292
2907899503,41cyclictest0-21swapper/223:16:292
2907899503,41cyclictest0-21swapper/223:16:292
2907899502,8cyclictest28931-21ls22:24:382
29078995010,34cyclictest0-21swapper/221:53:462
2907899495,37cyclictest0-21swapper/221:20:072
2907899494,39cyclictest0-21swapper/221:14:552
29078994912,5cyclictest0-21swapper/222:00:052
29071994940,5cyclictest21-21ksoftirqd/121:34:191
29071994912,31cyclictest0-21swapper/120:40:001
29067994912,31cyclictest629-21snmpd19:10:110
284842498,13sleep30-21swapper/318:30:153
2907899484,38cyclictest0-21swapper/223:07:032
2907899484,38cyclictest0-21swapper/218:34:342
2907899484,37cyclictest0-21swapper/223:20:332
2907899484,37cyclictest0-21swapper/223:20:332
2907899484,37cyclictest0-21swapper/223:10:192
2907899484,37cyclictest0-21swapper/222:10:282
2907899484,37cyclictest0-21swapper/221:03:522
2907899484,37cyclictest0-21swapper/221:03:522
2907899484,19cyclictest0-21swapper/221:12:112
2907899483,40cyclictest0-21swapper/222:36:202
2907899483,40cyclictest0-21swapper/220:40:532
2907899483,40cyclictest0-21swapper/219:35:242
29078994811,31cyclictest0-21swapper/223:26:432
2907199485,37cyclictest0-21swapper/123:24:061
2907199485,37cyclictest0-21swapper/123:24:061
2907199484,38cyclictest0-21swapper/123:24:401
2907199484,38cyclictest0-21swapper/121:48:581
2907199483,40cyclictest0-21swapper/119:21:051
29071994811,31cyclictest0-21swapper/121:25:211
2907899474,38cyclictest0-21swapper/221:39:222
2907899474,37cyclictest0-21swapper/223:50:192
2907899474,37cyclictest0-21swapper/222:42:112
2907899474,37cyclictest0-21swapper/221:38:312
2907899474,16cyclictest0-21swapper/223:54:532
29078994736,6cyclictest29-21ksoftirqd/218:54:232
2907899473,39cyclictest0-21swapper/220:53:332
2907899473,39cyclictest0-21swapper/219:27:552
29078994711,31cyclictest0-21swapper/220:15:242
2907199474,37cyclictest0-21swapper/121:14:381
2907199474,36cyclictest0-21swapper/121:40:211
2907199473,39cyclictest0-21swapper/118:43:361
29086994623,17cyclictest29429-21if_eth218:34:283
2907899469,31cyclictest0-21swapper/218:39:392
2907899464,36cyclictest0-21swapper/222:51:102
2907899464,36cyclictest0-21swapper/222:51:102
2907899464,36cyclictest0-21swapper/219:22:492
2907899464,16cyclictest0-21swapper/223:44:042
2907899463,8cyclictest0-21swapper/219:11:052
2907899462,38cyclictest27703-21interrupts19:54:382
2907899462,38cyclictest27703-21interrupts19:54:382
2907199469,32cyclictest0-21swapper/122:09:411
2907199468,32cyclictest0-21swapper/121:02:571
2907199468,32cyclictest0-21swapper/121:02:571
2907199464,36cyclictest0-21swapper/123:30:051
2907199464,36cyclictest0-21swapper/122:55:431
2907199464,36cyclictest0-21swapper/122:45:481
2907199464,36cyclictest0-21swapper/121:36:451
2907199464,36cyclictest0-21swapper/121:05:591
2907199464,36cyclictest0-21swapper/120:36:401
2907199463,39cyclictest0-21swapper/122:35:401
2907199462,39cyclictest5232-21ssh21:54:191
2906799463,39cyclictest0-21swapper/019:31:540
288132468,14sleep10-21swapper/118:34:111
2907899455,13cyclictest0-21swapper/221:47:302
2907899454,35cyclictest0-21swapper/219:54:232
29078994533,8cyclictest0-21swapper/219:34:042
2907199454,35cyclictest0-21swapper/122:25:261
2907199454,35cyclictest0-21swapper/100:02:501
2907199453,37cyclictest0-21swapper/123:44:431
2906799455,35cyclictest0-21swapper/019:00:100
233422453,13sleep10-21swapper/122:17:341
2907899444,34cyclictest0-21swapper/220:19:522
2907899443,36cyclictest0-21swapper/218:54:382
2907199444,15cyclictest0-21swapper/122:07:431
2907199443,36cyclictest0-21swapper/123:57:041
2907199443,35cyclictest0-21swapper/120:50:071
29067994414,24cyclictest4069-21grep18:49:540
271002443,7sleep10-21swapper/122:22:291
2907899438,30cyclictest24991-21sshd19:47:492
2907899435,34cyclictest0-21swapper/218:44:472
2907199439,29cyclictest12878-21vmstat21:19:531
2907199434,8cyclictest0-21swapper/119:34:221
2906799434,9cyclictest0-21swapper/020:33:480
96942423,7sleep10-21swapper/122:42:051
2907899423,34cyclictest0-21swapper/220:00:572
2907899423,34cyclictest0-21swapper/220:00:572
2907199422,36cyclictest3005-21aten_rbpower_vo18:49:351
29067994217,19cyclictest643-21runrttasks18:37:160
29067994217,19cyclictest2262-21head18:44:520
288362423,6sleep10-21swapper/119:59:051
288362423,6sleep10-21swapper/119:59:051
19762423,7sleep20-21swapper/220:13:022
2907899413,33cyclictest0-21swapper/219:02:342
238652413,6sleep10-21swapper/123:00:001
61862403,6sleep10-21swapper/121:11:451
2907899403,31cyclictest0-21swapper/219:15:352
29071994031,5cyclictest21-21ksoftirqd/120:14:211
29067994020,14cyclictest694-21sendmail19:51:350
29067994015,20cyclictest32720-21unixbench_multi18:39:530
116992403,6sleep10-21swapper/122:02:001
2907899393,8cyclictest0-21swapper/220:05:532
2907899393,8cyclictest0-21swapper/220:05:532
2907199399,5cyclictest0-21swapper/121:55:581
2907199399,5cyclictest0-21swapper/121:55:581
2907199393,32cyclictest0-21swapper/119:10:231
2907199393,32cyclictest0-21swapper/119:00:161
2906799393,31cyclictest0-21swapper/018:55:160
29067993920,14cyclictest4857-21runrttasks20:19:430
29067993920,13cyclictest13606-21awk19:16:030
29067993917,17cyclictest14214-21aten_rbpower_vo19:19:340
29067993916,17cyclictest24083-21/usr/sbin/munin19:44:410
29067993915,18cyclictest27374-21df19:54:330
29067993915,18cyclictest27374-21df19:54:330
29067993914,19cyclictest483-21grep20:09:320
317902383,6sleep10-21swapper/123:10:421
293392383,6sleep10-21swapper/123:08:331
2907199383,30cyclictest0-21swapper/119:15:251
29067993814,19cyclictest29131-21/usr/sbin/munin19:59:320
29067993814,19cyclictest29131-21/usr/sbin/munin19:59:320
2907199374,6cyclictest0-21swapper/119:25:151
2907199374,28cyclictest0-21swapper/119:07:381
2907199374,28cyclictest0-21swapper/118:39:201
2907199373,29cyclictest0-21swapper/120:05:331
2907199373,29cyclictest0-21swapper/120:05:331
2906799374,28cyclictest0-21swapper/020:04:350
2906799374,28cyclictest0-21swapper/020:04:350
29067993718,14cyclictest6053-21/usr/sbin/munin20:24:340
29067993716,15cyclictest19775-21/usr/sbin/munin19:34:320
2717323714,17sleep00-21swapper/018:29:280
17802372,29sleep11784-21ntp_states18:44:451
2907899364,27cyclictest0-21swapper/219:07:472
2907199363,9cyclictest0-21swapper/119:53:241
94162343,7sleep20-21swapper/220:32:222
29071993425,5cyclictest6316-21tune2fs20:24:371
2907199334,24cyclictest0-21swapper/123:51:131
2907199333,27cyclictest0-21swapper/119:34:231
29071993322,7cyclictest24982-21/usr/sbin/munin20:54:521
2907199324,23cyclictest0-21swapper/123:40:301
2907199324,23cyclictest0-21swapper/122:29:471
2907199323,25cyclictest0-21swapper/122:54:011
2907199323,25cyclictest0-21swapper/122:54:011
29071993215,12cyclictest3873-21seq20:18:191
2907199315,20cyclictest0-21swapper/120:19:481
2907199313,15cyclictest0-21swapper/123:35:501
29071993020,6cyclictest23929-21if_eth219:44:371
29071993018,8cyclictest4981-21tune2fs18:54:371
29071993018,7cyclictest29202-21cpu19:59:331
29071993018,7cyclictest29202-21cpu19:59:331
2907199284,19cyclictest0-21swapper/120:44:281
29071992818,6cyclictest8660-21ntp_kernel_pll_20:29:411
29071992816,7cyclictest21771-21df_inode19:39:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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