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2026-04-25 - 14:11
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack8slot7.osadl.org (updated Sat Apr 25, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28438991717,0cyclictest674-21snmpd23:52:562
28426991717,0cyclictest59550irq/125-lan23:51:220
28426991716,1cyclictest59550irq/125-lan22:55:110
28426991716,1cyclictest59550irq/125-lan22:20:170
28426991716,1cyclictest59550irq/125-lan21:15:130
28426991716,1cyclictest59550irq/125-lan20:40:160
28426991716,1cyclictest59550irq/125-lan20:00:140
28426991716,1cyclictest59550irq/125-lan19:10:110
28426991716,1cyclictest59550irq/125-lan00:30:120
28426991716,1cyclictest59550irq/125-lan00:10:220
28426991616,0cyclictest59550irq/125-lan23:25:210
28426991616,0cyclictest59550irq/125-lan23:05:120
28426991616,0cyclictest59550irq/125-lan22:32:220
28426991616,0cyclictest59550irq/125-lan20:25:120
28426991616,0cyclictest59550irq/125-lan19:19:230
28426991615,1cyclictest59550irq/125-lan22:05:150
28426991615,1cyclictest59550irq/125-lan19:35:150
28426991615,1cyclictest59550irq/125-lan00:05:100
28426991515,0cyclictest59550irq/125-lan22:25:170
28426991514,1cyclictest59550irq/125-lan23:15:170
28426991514,1cyclictest59550irq/125-lan22:10:120
28426991514,1cyclictest59550irq/125-lan22:00:170
28426991514,1cyclictest59550irq/125-lan21:20:190
28426991514,1cyclictest59550irq/125-lan20:10:180
28426991514,1cyclictest59550irq/125-lan19:30:190
28426991514,1cyclictest59550irq/125-lan00:35:190
28426991514,1cyclictest59550irq/125-lan00:15:170
28438991414,0cyclictest325-21hwrng21:43:372
28426991414,0cyclictest59550irq/125-lan22:35:200
28426991414,0cyclictest59550irq/125-lan20:45:150
28426991414,0cyclictest59550irq/125-lan20:30:130
28426991414,0cyclictest59550irq/125-lan19:21:230
28426991414,0cyclictest59550irq/125-lan00:25:080
28426991414,0cyclictest59550irq/125-lan00:01:090
28426991413,1cyclictest59550irq/125-lan23:35:120
28426991413,1cyclictest59550irq/125-lan23:20:130
28426991413,1cyclictest59550irq/125-lan21:55:200
28426991413,1cyclictest59550irq/125-lan21:05:160
28426991413,1cyclictest59550irq/125-lan20:50:110
28426991413,1cyclictest59550irq/125-lan20:35:200
28426991413,1cyclictest59550irq/125-lan20:15:180
28426991413,1cyclictest59550irq/125-lan19:44:220
28426991413,1cyclictest59550irq/125-lan00:20:120
28438991313,0cyclictest325-21hwrng19:58:082
28426991312,1cyclictest59550irq/125-lan21:40:170
28426991312,1cyclictest59550irq/125-lan21:30:160
28426991312,1cyclictest59550irq/125-lan21:10:110
28426991312,1cyclictest59550irq/125-lan20:55:170
28438991212,0cyclictest325-21hwrng23:45:282
28438991212,0cyclictest325-21hwrng23:16:472
28438991212,0cyclictest325-21hwrng23:09:382
28438991212,0cyclictest325-21hwrng22:38:552
28438991212,0cyclictest325-21hwrng22:28:402
28438991212,0cyclictest325-21hwrng21:16:592
28426991212,0cyclictest59550irq/125-lan23:00:200
28426991212,0cyclictest59550irq/125-lan21:35:150
28426991212,0cyclictest59550irq/125-lan21:00:160
28426991212,0cyclictest59550irq/125-lan20:20:160
28426991211,1cyclictest59550irq/125-lan23:40:210
28426991211,1cyclictest59550irq/125-lan21:45:180
28426991211,1cyclictest59550irq/125-lan19:55:120
28438991111,0cyclictest325-21hwrng23:40:222
28438991111,0cyclictest325-21hwrng23:37:172
28438991111,0cyclictest325-21hwrng23:26:002
28438991111,0cyclictest325-21hwrng23:20:542
28438991111,0cyclictest325-21hwrng23:11:402
28438991111,0cyclictest325-21hwrng22:30:432
28438991111,0cyclictest325-21hwrng20:35:002
28438991111,0cyclictest325-21hwrng20:34:002
28438991111,0cyclictest325-21hwrng20:00:122
28438991111,0cyclictest325-21hwrng00:35:382
28438991111,0cyclictest325-21hwrng00:32:342
28438991111,0cyclictest325-21hwrng00:15:092
28426991110,1cyclictest59550irq/125-lan23:55:180
28426991110,1cyclictest59550irq/125-lan23:45:200
28426991110,1cyclictest59550irq/125-lan23:10:170
28426991110,1cyclictest59550irq/125-lan20:05:110
28426991110,1cyclictest59550irq/125-lan19:50:110
28438991010,0cyclictest325-21hwrng21:46:412
28438991010,0cyclictest325-21hwrng00:14:092
2842699109,1cyclictest59550irq/125-lan21:25:130
28426991010,0cyclictest59550irq/125-lan22:50:130
28426991010,0cyclictest59550irq/125-lan22:40:180
284349998,1cyclictest674-21snmpd20:18:101
284349997,1cyclictest674-21snmpd20:54:381
284269998,1cyclictest59550irq/125-lan23:30:190
284269998,1cyclictest59550irq/125-lan21:53:490
284439988,0cyclictest674-21snmpd21:33:473
284439987,1cyclictest674-21snmpd21:12:203
284389988,0cyclictest674-21snmpd22:45:412
284389988,0cyclictest674-21snmpd22:23:112
284389988,0cyclictest674-21snmpd21:10:562
284389988,0cyclictest674-21snmpd19:13:302
284349988,0cyclictest674-21snmpd23:05:041
284349988,0cyclictest674-21snmpd22:58:321
284349988,0cyclictest674-21snmpd22:10:131
284349988,0cyclictest674-21snmpd21:51:491
284349988,0cyclictest674-21snmpd20:00:181
284349988,0cyclictest674-21snmpd19:50:441
284349988,0cyclictest674-21snmpd00:21:381
284349988,0cyclictest325-21hwrng22:38:551
284349988,0cyclictest325-21hwrng22:22:321
284349988,0cyclictest325-21hwrng21:30:181
284349988,0cyclictest325-21hwrng20:30:541
284349988,0cyclictest325-21hwrng19:20:151
284349987,1cyclictest674-21snmpd23:26:041
284349987,1cyclictest674-21snmpd22:18:371
284349986,1cyclictest674-21snmpd19:25:011
284269988,0cyclictest59550irq/125-lan19:45:170
284269987,1cyclictest59550irq/125-lan19:25:170
284439977,0cyclictest674-21snmpd23:33:453
284439977,0cyclictest674-21snmpd22:54:423
284439977,0cyclictest674-21snmpd21:26:023
284439977,0cyclictest674-21snmpd20:37:243
284439977,0cyclictest674-21snmpd20:29:213
284439977,0cyclictest674-21snmpd20:13:153
284439977,0cyclictest674-21snmpd19:31:013
284439976,1cyclictest674-21snmpd23:11:003
284439976,1cyclictest674-21snmpd20:43:373
284439976,1cyclictest674-21snmpd19:23:463
284389977,0cyclictest674-21snmpd22:56:322
284389977,0cyclictest674-21snmpd20:41:302
284389977,0cyclictest674-21snmpd19:33:142
284389977,0cyclictest674-21snmpd00:26:062
284389977,0cyclictest674-21snmpd00:00:072
284389976,1cyclictest674-21snmpd19:39:072
284389975,2cyclictest674-21snmpd22:10:252
284349977,0cyclictest674-21snmpd23:50:311
284349977,0cyclictest674-21snmpd23:41:321
284349977,0cyclictest674-21snmpd23:04:241
284349977,0cyclictest674-21snmpd20:10:021
284349977,0cyclictest674-21snmpd00:36:151
284349977,0cyclictest325-21hwrng23:20:531
284349977,0cyclictest325-21hwrng23:15:461
284349977,0cyclictest325-21hwrng23:10:401
284349977,0cyclictest325-21hwrng22:28:401
284349977,0cyclictest325-21hwrng21:49:451
284349977,0cyclictest325-21hwrng21:27:131
284349977,0cyclictest325-21hwrng21:21:061
284349977,0cyclictest325-21hwrng21:08:491
284349977,0cyclictest325-21hwrng20:40:071
284349977,0cyclictest325-21hwrng19:49:581
284349977,0cyclictest325-21hwrng19:41:451
284349977,0cyclictest325-21hwrng19:30:301
284349977,0cyclictest325-21hwrng19:16:101
284349977,0cyclictest325-21hwrng00:11:051
284349976,1cyclictest674-21snmpd23:58:441
284349976,1cyclictest674-21snmpd22:06:131
284349976,1cyclictest674-21snmpd21:02:191
284349976,1cyclictest674-21snmpd20:47:011
284349976,1cyclictest674-21snmpd20:29:361
284349976,1cyclictest674-21snmpd00:28:181
284349976,1cyclictest674-21snmpd00:01:191
284349976,1cyclictest325-21hwrng19:35:371
284269977,0cyclictest325-21hwrng22:16:230
284269976,1cyclictest59550irq/125-lan22:45:190
284439966,0cyclictest674-21snmpd21:59:063
284439966,0cyclictest674-21snmpd21:07:313
284439966,0cyclictest674-21snmpd20:48:143
284439966,0cyclictest674-21snmpd20:31:133
284439966,0cyclictest674-21snmpd19:57:023
284439965,1cyclictest8348-21sendmail19:40:003
284439965,1cyclictest674-21snmpd22:28:343
284439965,1cyclictest674-21snmpd22:24:323
284439965,1cyclictest674-21snmpd22:07:443
284439965,1cyclictest674-21snmpd20:51:313
284439965,1cyclictest674-21snmpd19:42:313
284439965,1cyclictest674-21snmpd00:19:173
284439965,1cyclictest21000-21dump-pmu-power00:10:013
284439965,1cyclictest20313-21idleruntime-cro20:10:003
284389966,0cyclictest674-21snmpd21:08:522
284389966,0cyclictest674-21snmpd19:22:012
284389966,0cyclictest674-21snmpd19:16:552
284389966,0cyclictest674-21snmpd00:24:562
284389966,0cyclictest325-21hwrng23:00:242
284389965,1cyclictest674-21snmpd23:56:172
284389965,1cyclictest674-21snmpd21:58:392
284349966,0cyclictest674-21snmpd22:44:561
284349966,0cyclictest325-21hwrng23:30:061
284349966,0cyclictest325-21hwrng22:49:091
284349966,0cyclictest325-21hwrng21:57:571
284349966,0cyclictest325-21hwrng21:16:591
284349966,0cyclictest325-21hwrng21:10:501
284349966,0cyclictest325-21hwrng20:55:291
284349966,0cyclictest325-21hwrng20:24:461
284349966,0cyclictest325-21hwrng19:10:011
284349966,0cyclictest325-21hwrng00:19:151
284349966,0cyclictest325-21hwrng00:09:011
284349965,1cyclictest674-21snmpd23:45:011
284349965,1cyclictest674-21snmpd22:32:431
284349965,1cyclictest674-21snmpd20:05:051
284349965,1cyclictest674-21snmpd19:56:501
284439955,0cyclictest674-21snmpd23:35:413
284439955,0cyclictest674-21snmpd20:20:393
284439955,0cyclictest674-21snmpd19:27:163
284439955,0cyclictest674-21snmpd00:02:433
284439954,1cyclictest674-21snmpd22:55:053
284439954,1cyclictest674-21snmpd22:49:473
284439954,1cyclictest674-21snmpd22:31:013
284439954,1cyclictest674-21snmpd20:15:463
284439954,1cyclictest674-21snmpd19:52:383
284439953,2cyclictest7244-21ntpq20:55:163
284439953,2cyclictest674-21snmpd00:20:063
284439951,4cyclictest28689-21dump-pmu-power21:50:003
284389955,0cyclictest674-21snmpd22:50:062
284389955,0cyclictest674-21snmpd21:53:312
284389955,0cyclictest19619-21gltestperf00:05:122
284389954,1cyclictest652-21ntpd20:10:112
284349955,0cyclictest674-21snmpd21:43:511
284349954,1cyclictest674-21snmpd22:04:571
284349954,1cyclictest674-21snmpd20:36:151
284439944,0cyclictest674-21snmpd22:00:183
284439944,0cyclictest325-21hwrng23:54:423
284439944,0cyclictest325-21hwrng23:46:293
284439944,0cyclictest325-21hwrng23:41:223
284439944,0cyclictest325-21hwrng22:40:573
284439944,0cyclictest325-21hwrng21:52:503
284439944,0cyclictest325-21hwrng21:35:263
284439944,0cyclictest325-21hwrng21:21:053
284439944,0cyclictest325-21hwrng20:02:143
284439944,0cyclictest31696-21needreboot19:15:153
284439944,0cyclictest27906-21needreboot00:25:163
284439943,1cyclictest674-21snmpd22:35:353
284439942,2cyclictest674-21snmpd23:00:143
284439942,2cyclictest674-21snmpd21:17:153
284439942,2cyclictest674-21snmpd00:14:363
284439942,2cyclictest431ktimers/323:05:113
284439942,2cyclictest3638-21ntpq23:25:163
284439942,2cyclictest32013-21ntpq00:35:163
284439942,2cyclictest29798-21ntpq19:10:153
284439942,2cyclictest29386-21df00:30:113
284389944,0cyclictest674-21snmpd20:46:522
284389943,1cyclictest674-21snmpd23:33:332
284389943,1cyclictest351ktimers/219:26:002
284389943,1cyclictest13022-21cat19:50:132
284389942,2cyclictest674-21snmpd21:25:412
284389942,2cyclictest674-21snmpd19:40:012
284389942,2cyclictest17571-21sed21:20:142
284389941,1cyclictest171rcu_preempt22:40:172
284389940,2cyclictest0-21swapper/220:15:142
284349944,0cyclictest325-21hwrng22:50:111
284349944,0cyclictest325-21hwrng00:31:331
284349943,1cyclictest674-21snmpd21:38:221
284439933,0cyclictest325-21hwrng21:02:403
284439933,0cyclictest325-21hwrng19:45:513
284439932,1cyclictest891-21cat23:20:153
284439932,1cyclictest674-21snmpd22:10:373
284439932,1cyclictest25806-21sh21:40:173
284439931,2cyclictest674-21snmpd22:15:493
284439931,2cyclictest31829-21wc23:15:183
284439930,2cyclictest15219-21/usr/sbin/munin23:55:143
284389933,0cyclictest0-21swapper/220:50:162
284389931,2cyclictest8539-21apt-get21:00:102
284389931,2cyclictest20901-21find21:30:112
284389930,1cyclictest3320-21ld22:05:172
284389930,1cyclictest171rcu_preempt20:25:122
284389930,1cyclictest171rcu_preempt20:20:002
284389930,1cyclictest171rcu_preempt20:05:122
284389930,1cyclictest171rcu_preempt19:45:182
284389930,1cyclictest0-21swapper/222:15:122
284389930,1cyclictest0-21swapper/221:35:152
284389930,0cyclictest171rcu_preempt22:00:172
284349932,1cyclictest674-21snmpd23:35:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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