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2026-05-07 - 20:03
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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 rack7slot2.osadl.org (updated Thu May 07, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31926969910999,8cyclictest3212010-21kworker/u4:6+events_unbound08:30:371
3192695999413,70cyclictest3405037-21apt-get12:35:130
3192695998747,36cyclictest53-21kswapd010:15:010
3192695998242,37cyclictest3230780-21ssh09:17:170
3192696998172,6cyclictest3201698-21kworker/u4:12+events_unbound07:45:171
3192695998130,45cyclictest3313732-21gcc10:50:290
3192695998031,40cyclictest0-21swapper/012:15:000
319269599775,18cyclictest3366370-21ssh11:50:330
3192695997665,7cyclictest3296830-21sh10:30:410
3192696997228,16cyclictest3254804-21ssh09:44:401
3192696997228,16cyclictest3254804-21ssh09:44:401
319269599725,21cyclictest3194034-21latency_hist07:15:000
3192695997232,37cyclictest3344586-21proc_pri11:25:350
3192695997217,18cyclictest0-21swapper/008:25:370
3192695997217,18cyclictest0-21swapper/008:25:370
3192696997133,15cyclictest3239676-21ssh09:27:051
3192696997129,15cyclictest3268120-21ssh09:59:321
3192695997141,28cyclictest3246684-21fschecks_count09:35:190
3192695997134,31cyclictest0-21swapper/011:30:320
3192695997119,14cyclictest25650irq/23-42890000.ethernet11:35:320
3192696997029,14cyclictest3256926-21ssh09:46:021
3192696997028,15cyclictest3398436-21ssh12:26:591
3192695997037,30cyclictest3215875-21tr08:40:010
3192695997034,33cyclictest3221039-21latency_hist09:00:010
3192695997029,5cyclictest0-21swapper/012:25:370
3192696996930,11cyclictest3298395-21ssh10:33:101
3192696996929,14cyclictest3369385-21ssh11:54:411
3192696996927,15cyclictest3244048-21ssh09:31:551
3192696996830,14cyclictest3250127-21ssh09:39:211
3192696996829,15cyclictest3319259-21ssh10:56:331
3192696996829,14cyclictest3381497-21ssh12:08:021
3192696996828,16cyclictest3355902-21ssh11:39:041
3192696996828,15cyclictest3402153-21ssh12:30:561
3192696996828,12cyclictest3261428-21ssh09:51:061
3192696996826,14cyclictest3280033-21ssh10:12:101
3192696996825,15cyclictest3378199-21ssh12:04:441
319269599685,26cyclictest3291794-21ntpq10:25:280
3192695996832,32cyclictest3244492-21kworker/u4:13-rpciod09:45:280
3192696996743,19cyclictest3383046-21apt-get12:10:121
3192696996729,14cyclictest3362643-21ssh11:45:571
3192696996729,14cyclictest3315205-21ssh10:52:041
3192696996729,12cyclictest3275929-21ssh10:07:451
3192696996728,14cyclictest3301912-21ssh10:36:481
3192696996728,14cyclictest3230859-21ssh09:17:231
3192696996728,12cyclictest3226854-21ssh09:13:101
3192696996727,14cyclictest3312645-21ssh10:49:561
3192696996726,15cyclictest3293584-21ssh10:27:291
3192695996734,6cyclictest3194506-21fschecks_time07:15:180
3192695996731,6cyclictest3209867-21fschecks_count08:15:250
3192695996729,35cyclictest3269849-21timerandwakeup10:00:370
3192695996728,5cyclictest0-21swapper/008:10:150
3192696996628,15cyclictest3374177-21ssh12:00:011
3192696996627,13cyclictest3233701-21ntpq09:20:301
3192696996627,11cyclictest3306678-21ssh10:42:211
3192696996626,16cyclictest3331883-21ssh11:10:431
3192695996635,29cyclictest3287281-21if_eth010:20:260
3192695996625,6cyclictest0-21swapper/011:55:280
3192696996527,14cyclictest3340825-21ssh11:20:591
3192696996526,14cyclictest3406732-21ssh12:36:161
3192695996531,6cyclictest3222455-21cut09:05:170
3192695996530,5cyclictest0-21swapper/011:45:350
3192695996529,7cyclictest0-21swapper/007:50:010
3192695996529,5cyclictest0-21swapper/012:00:150
3192695996528,7cyclictest0-21swapper/010:15:340
3192695996527,8cyclictest3206100-21grep08:00:190
3192695996527,8cyclictest3206100-21grep08:00:190
3192695996526,6cyclictest0-21swapper/008:40:350
3192696996454,7cyclictest3204238-21kworker/u4:17+events_unbound08:10:281
3192696996427,10cyclictest3206334-21ntpq08:00:271
3192696996427,10cyclictest3206334-21ntpq08:00:271
3192696996426,14cyclictest3329874-21ssh11:09:281
3192696996424,15cyclictest3360779-21ssh11:44:531
319269599644,19cyclictest3224563-21ntpq09:10:260
3192695996430,5cyclictest0-21swapper/012:05:320
3192695996429,5cyclictest0-21swapper/009:20:150
3192695996427,8cyclictest0-21swapper/010:05:340
3192695996427,6cyclictest3219441-21timerandwakeup08:50:360
3192696996326,14cyclictest3389661-21ssh12:17:031
3192696996326,13cyclictest3336802-21ssh11:16:341
3192696996325,14cyclictest3268671-21ssh10:00:071
3192695996330,26cyclictest0-21swapper/012:18:360
3192695996329,5cyclictest0-21swapper/012:30:190
3192695996325,7cyclictest0-21swapper/011:40:310
3192695996325,6cyclictest0-21swapper/010:40:400
3192696996225,11cyclictest3347461-21ssh11:29:331
3192696996224,14cyclictest3350622-21ssh11:32:371
3192695996232,5cyclictest3268482-21ssh10:00:020
3192695996227,5cyclictest3306576-21kworker/u4:5-xprtiod11:10:100
3192695996226,7cyclictest3343498-21latency_hist11:25:010
3192695996225,5cyclictest0-21swapper/011:05:110
3192696996125,11cyclictest3322655-21ntpq11:00:351
3192695996151,8cyclictest53-21kswapd012:20:080
3192696996028,10cyclictest3194437-21diskstats07:15:161
3192696996023,13cyclictest3213160-21grep08:25:371
3192696996023,13cyclictest3213160-21grep08:25:371
3192695996030,5cyclictest3300416-21if_eth010:35:220
3192696995846,9cyclictest3286680-21ssh10:20:101
3192696995828,11cyclictest3282257-21aten_r7power_cu10:15:151
3192696995824,13cyclictest3193645-21ps07:10:381
3192695995849,6cyclictest3322497-21ld11:00:270
3192695995848,7cyclictest3180328-21kworker/u4:3+events_unbound07:30:160
3192695995847,8cyclictest3260689-21sh09:50:360
3192696995726,9cyclictest3220413-21ntpq08:55:261
3192696995725,9cyclictest3395909-21diskmemload12:24:561
3192695995730,19cyclictest1066-21snmpd09:41:580
3192695995730,19cyclictest1066-21snmpd09:41:580
3192695995728,9cyclictest0-21swapper/010:55:200
3192696995539,13cyclictest3221785-21ntpq09:00:301
3192696995522,11cyclictest3223579-21ssh09:10:021
3192696995521,12cyclictest3201695-21sshd07:42:051
3192696995441,10cyclictest3217900-21ntpq08:45:281
3192696995339,10cyclictest3207609-21ntpq08:05:301
3192696995322,9cyclictest3198688-21ntpq07:30:291
3192696995234,15cyclictest3216607-21ntpq08:40:251
3192696995226,3cyclictest3210171-21ntpq08:15:291
3192695995243,7cyclictest3203434-21fschecks_count07:50:170
3192696995137,10cyclictest3215341-21ntpq08:35:281
3192696995039,8cyclictest3219235-21ntpq08:50:311
3192696995039,8cyclictest3196765-21/usr/sbin/munin07:25:401
3192696995038,8cyclictest3205027-21ntpq07:55:281
3192696995035,12cyclictest3211572-21ntpq08:20:311
3192696995032,14cyclictest3195990-21irqstats07:20:211
3192695995030,5cyclictest3242616-21gcc09:30:270
3192696994937,8cyclictest3203758-21ntpq07:50:261
3192695994941,6cyclictest3309875-21unixbench_multi10:45:370
3192696994835,9cyclictest3199992-21ntpq07:35:361
3192695994835,10cyclictest3201728-21munin-run07:45:000
3192695994834,10cyclictest3237616-21df09:25:160
3192695994826,19cyclictest3201698-21kworker/u4:12+rpciod07:55:190
3192695994636,7cyclictest3214602-21latency_hist08:35:000
319269599463,14cyclictest3208090-21modprobe08:10:000
3192695994622,21cyclictest3221398-21fschecks_count09:00:180
3192695994537,5cyclictest3335447-21irqstats11:15:210
3192696994431,11cyclictest3192711-21apt-config07:10:011
3192695994431,8cyclictest0-21swapper/007:20:390
3192695994425,16cyclictest0-21swapper/008:47:060
3192695994234,6cyclictest3196588-21kworker/u4:1+events_unbound07:25:160
3192695994232,7cyclictest3211174-21fschecks_count08:20:180
3192695994227,10cyclictest25650irq/23-42890000.ethernet07:10:000
3192695993830,6cyclictest0-21swapper/007:35:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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