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2026-08-29 - 04:34
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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 the highest latencies:
System rack1slot2.osadl.org (updated Sat Aug 29, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251323627,0sleep20-21swapper/219:26:322
227423526,0sleep10-21swapper/119:26:221
950822925,0sleep00-21swapper/019:31:020
947322925,0sleep30-21swapper/319:30:373
96139966,0cyclictest0-21swapper/200:46:372
96139965,0cyclictest1418-21ssh22:01:142
96049960,0cyclictest0-21swapper/000:41:420
339960,0migration/38119-21sh00:52:053
339960,0migration/37280-21kthreadcore19:51:403
339960,0migration/331038-21sh00:30:103
339960,0migration/326869-21irqcore21:16:443
339960,0migration/320217-21sh00:03:383
339960,0migration/317570-21sh22:08:103
339960,0migration/31463-21munin-node23:16:383
339960,0migration/312372-21sh00:00:413
29805060,0irq/28-eth0-rx-31920-21sh00:47:163
29805060,0irq/28-eth0-rx-15166-21diskstats00:21:373
29805060,0irq/28-eth0-rx-13222-21sh00:17:483
27160,0ktimersoftd/20-21swapper/220:36:352
149960,0migration/09612-21kthreadcore23:01:390
149960,0migration/023575-21aten_r1power_vo19:41:340
149960,0migration/018014-21cpuspeed_turbos23:26:370
96139955,0cyclictest0-21swapper/222:36:332
96139955,0cyclictest0-21swapper/200:40:102
96139950,0cyclictest0-21swapper/222:49:292
96139950,0cyclictest0-21swapper/221:47:122
96059955,0cyclictest0-21swapper/122:22:271
96059950,0cyclictest0-21swapper/123:46:001
96059950,0cyclictest0-21swapper/122:54:081
96059950,0cyclictest0-21swapper/122:30:291
96059950,0cyclictest0-21swapper/100:44:391
96059950,0cyclictest0-21swapper/100:32:121
96049955,0cyclictest0-21swapper/023:46:310
96049953,0cyclictest10001-21kworker/0:022:56:420
96049950,0cyclictest0-21swapper/023:43:030
96049950,0cyclictest0-21swapper/022:42:590
8305050,0irq/26-0000:00:18015-21tr20:21:393
35150,0ktimersoftd/30-21swapper/322:04:453
339950,0migration/39279-21gltestperf21:46:373
339950,0migration/38786-21munin-node21:26:373
339950,0migration/38302-21idleruntime23:01:373
339950,0migration/37111-21kthreadcore20:11:403
339950,0migration/36444-21sh00:32:423
339950,0migration/331688-21kthreadcore20:06:403
339950,0migration/329493-21munin-node22:36:353
339950,0migration/328419-21hddtemp_smartct22:16:363
339950,0migration/327500-21sh23:50:213
339950,0migration/325729-21kthreadcore00:06:403
339950,0migration/319601-21kthreadcore21:31:403
339950,0migration/318648-21kernelversion21:51:403
339950,0migration/31727-21taskset20:53:353
339950,0migration/317255-21munin-node21:06:413
339950,0migration/313223-21fschecks_count19:56:353
339950,0migration/312484-21cpuspeed_turbos22:26:363
339950,0migration/311905-21kthreadcore00:56:413
339950,0migration/310684-21taskset21:01:563
329950,0watchdog/37945-21ssh21:46:063
329950,0watchdog/318673-21smartctl23:26:383
329950,0watchdog/30-21swapper/322:23:183
29815050,0irq/29-eth0-tx-8146-21ssh23:19:182
29815050,0irq/29-eth0-tx-3789-21sed23:36:402
29815050,0irq/29-eth0-tx-27435-21munin-node22:16:352
29815050,0irq/29-eth0-tx-21415-21munin-node00:06:362
29815050,0irq/29-eth0-tx-20386-21kthreadcore21:51:412
29815050,0irq/29-eth0-tx-19182-21sendmail_mailqu00:01:442
29815050,0irq/29-eth0-tx-17400-21sh00:59:162
29815050,0irq/29-eth0-tx-16545-21munin-node00:41:432
29815050,0irq/29-eth0-tx-14724-21diskmemload22:56:302
29815050,0irq/29-eth0-tx-0-21swapper/223:29:032
29815050,0irq/29-eth0-tx-0-21swapper/222:43:332
29815050,0irq/29-eth0-tx-0-21swapper/222:31:362
29815050,0irq/29-eth0-tx-0-21swapper/222:26:432
29815050,0irq/29-eth0-tx-0-21swapper/222:12:002
29815050,0irq/29-eth0-tx-0-21swapper/200:15:022
29815050,0irq/29-eth0-tx-0-21swapper/021:26:010
29815050,0irq/29-eth0-tx-0-21swapper/020:26:410
29815050,0irq/29-eth0-tx-0-21swapper/020:21:390
29805050,0irq/28-eth0-rx-966-21ssh21:59:533
29805050,0irq/28-eth0-rx-29356-21ntpq21:36:423
29805050,0irq/28-eth0-rx-28004-40yum-updatesd-he22:33:343
29805050,0irq/28-eth0-rx-25405-21if_err_eth023:11:403
29805050,0irq/28-eth0-rx-18331-21kthreadcore23:06:423
29805050,0irq/28-eth0-rx-18253-21ssh23:43:113
29805050,0irq/28-eth0-rx-17363-21cut22:46:413
29805050,0irq/28-eth0-rx-16545-21munin-node00:41:383
29805050,0irq/28-eth0-rx-11520-21needreboot22:41:423
29805050,0irq/28-eth0-rx-0-21swapper/323:36:453
29805050,0irq/28-eth0-rx-0-21swapper/323:33:233
29805050,0irq/28-eth0-rx-0-21swapper/323:21:503
29805050,0irq/28-eth0-rx-0-21swapper/322:11:383
29805050,0irq/28-eth0-rx-0-21swapper/300:37:243
259950,0migration/29699-21sh22:05:102
259950,0migration/28524-21kthreadcore00:16:412
259950,0migration/25886-21munin-node21:41:422
259950,0migration/226638-21hwlatdetect21:16:382
259950,0migration/224288-21kthreadcore22:51:402
259950,0migration/22334-21df_abs20:11:352
259950,0migration/216858-21kthreadcore20:41:402
259950,0migration/215379-21kthreadcore22:06:402
259950,0migration/214231-21kthreadcore21:06:392
259950,0migration/211498-21kthreadcore23:21:412
259950,0migration/21113-21kthreadcore00:31:412
249950,0watchdog/23613-21munin-node22:21:382
249950,0watchdog/229355-21iostat23:51:382
249950,0watchdog/227321-21ethtool23:31:382
179950,0migration/18990-21sh00:36:381
179950,0migration/128053-21latency_hist23:51:231
179950,0migration/120341-21kthreadcore19:36:401
179950,0migration/11513-21unixbench_singl20:51:481
169950,0watchdog/120045-21munin-node22:11:381
169950,0watchdog/10-21swapper/122:31:421
149950,0migration/09363-21aten_r1power_vo20:16:350
149950,0migration/08691-21kthreadcore19:51:400
149950,0migration/08446-21aten_r1power_fr21:46:350
149950,0migration/04979-21taskset22:40:480
149950,0migration/032392-21taskset00:48:410
149950,0migration/031044-21kthreadcore23:51:400
149950,0migration/030163-21kthreadcore23:31:410
149950,0migration/02953-21kthreadcore23:16:420
149950,0migration/02825-21munin-node00:51:400
149950,0migration/027156-21irqrtprio21:56:400
149950,0migration/026474-21kthreadcore00:26:410
149950,0migration/02477-21fschecks_time22:01:350
149950,0migration/021064-21munin-node21:31:420
149950,0migration/019884-21irqrtprio21:11:390
149950,0migration/018052-21kthreadcore22:26:420
149950,0migration/01768-21kthreadcore00:11:420
149950,0migration/017501-21kthreadcore20:41:400
149950,0migration/016923-21kthreadcore22:46:410
149950,0migration/012874-21aten_r1power_po19:56:340
149950,0migration/012185-21missed_timers00:16:430
149950,0migration/011204-21fschecks_time22:06:360
96139944,0cyclictest0-21swapper/223:47:582
96139943,0cyclictest6671-21awk19:51:392
96139943,0cyclictest3571-21lldpd23:01:312
96139943,0cyclictest3571-21lldpd21:28:312
96139943,0cyclictest3571-21lldpd19:34:292
96139943,0cyclictest3571-21lldpd00:54:032
96139943,0cyclictest3524-21snmpd21:34:042
96139943,0cyclictest16906-21awk23:06:402
96139940,0cyclictest31331-21cut20:31:362
96059944,0cyclictest0-21swapper/121:56:261
96059943,0cyclictest3571-21lldpd23:20:311
96059943,0cyclictest3571-21lldpd22:58:011
96059943,0cyclictest3571-21lldpd22:41:311
96059943,0cyclictest3571-21lldpd21:53:311
96059943,0cyclictest3571-21lldpd21:43:011
96059943,0cyclictest3571-21lldpd21:36:311
96059943,0cyclictest3571-21lldpd21:32:011
96059943,0cyclictest3571-21lldpd19:57:301
96059943,0cyclictest3571-21lldpd00:28:021
96059943,0cyclictest3571-21lldpd00:24:021
96059943,0cyclictest3250-21irqbalance23:07:401
96059943,0cyclictest3250-21irqbalance22:17:291
96059943,0cyclictest3250-21irqbalance22:07:491
96059943,0cyclictest3250-21irqbalance21:11:391
96059943,0cyclictest3250-21irqbalance20:26:291
96059943,0cyclictest3250-21irqbalance20:21:291
96059943,0cyclictest3250-21irqbalance20:11:291
96059943,0cyclictest3250-21irqbalance20:06:291
96059943,0cyclictest3250-21irqbalance20:01:491
96059943,0cyclictest3250-21irqbalance19:35:291
96059943,0cyclictest3250-21irqbalance00:46:401
96059943,0cyclictest31130-21awk00:11:401
96059943,0cyclictest26807-21awk21:16:391
96059943,0cyclictest18870-21awk23:26:401
96049944,0cyclictest10795-21kworker/0:221:30:360
96049944,0cyclictest10795-21kworker/0:221:16:360
96049944,0cyclictest10795-21kworker/0:219:46:240
96049944,0cyclictest0-21swapper/022:33:500
96049944,0cyclictest0-21swapper/022:22:580
96049944,0cyclictest0-21swapper/000:04:200
96049943,0cyclictest3571-21lldpd00:08:020
96049943,0cyclictest3524-21snmpd00:32:060
96049943,0cyclictest25420-21awk23:11:400
96049943,0cyclictest23615-21awk22:51:380
96049943,0cyclictest21019-21awk20:01:370
96049943,0cyclictest18271-21awk21:51:390
96049943,0cyclictest10286-21awk23:21:390
96049942,0cyclictest10001-21kworker/0:023:36:430
96049940,0cyclictest5756-21munin-node20:36:350
96049940,0cyclictest28157-21perl22:16:360
8305040,0irq/26-0000:00:0-21swapper/320:36:343
8305040,0irq/26-0000:00:0-21swapper/319:36:223
339940,0migration/32964-21kthreadcore00:11:423
339940,0migration/325481-21kthreadcore22:51:413
339940,0migration/32480-21runrttasks23:52:003
339940,0migration/32041-21kthreadcore22:56:413
339940,0migration/320238-21cpuspeed_turbos20:01:343
329940,0watchdog/30-21swapper/321:11:343
329940,0watchdog/30-21swapper/320:46:423
29815040,0irq/29-eth0-tx-14724-21diskmemload00:21:242
29815040,0irq/29-eth0-tx-11171-21ssh23:57:102
29815040,0irq/29-eth0-tx-11048-21munin-node23:41:392
29815040,0irq/29-eth0-tx-0-21swapper/223:12:552
29815040,0irq/29-eth0-tx-0-21swapper/200:27:122
29815040,0irq/29-eth0-tx-0-21swapper/021:06:330
29815040,0irq/29-eth0-tx-0-21swapper/019:31:370
259940,0migration/25753-21kthreadcore20:56:402
259940,0migration/231021-21kthreadcore20:06:402
259940,0migration/224969-21kthreadcore21:36:392
259940,0migration/224182-21fschecks_time19:41:362
259940,0migration/222364-21kthreadcore20:01:392
259940,0migration/218211-21kthreadcore20:21:402
259940,0migration/214458-21kthreadcore20:16:412
259940,0migration/210127-21fschecks_count21:01:372
249940,0watchdog/225237-21cut20:46:422
249940,0watchdog/222793-21yum19:36:492
179940,0migration/17591-21kthreadcore19:51:401
179940,0migration/17281-21irqrtprio20:36:391
179940,0migration/15926-21kthreadcore21:21:401
179940,0migration/131857-21idleruntime20:31:371
179940,0migration/130476-21ntp_kernel_pll_23:11:451
179940,0migration/122884-21kthreadcore20:46:411
179940,0migration/122309-21fschecks_time00:06:361
179940,0migration/121191-21kernelversion23:46:401
179940,0migration/11648-21latency_hist22:01:231
179940,0migration/114655-21fschecks_count22:46:371
179940,0migration/114313-21irqcore20:41:391
179940,0migration/113957-21kthreadcore00:56:411
179940,0migration/113883-21kthreadcore21:06:381
179940,0migration/113089-21kthreadcore20:16:401
179940,0migration/11192-21sh00:51:341
169940,0watchdog/17025-21kthreadcore23:36:421
169940,0watchdog/16314-21runrttasks22:36:301
169940,0watchdog/114500-21kthreadcore23:21:421
169940,0watchdog/10-21swapper/123:31:381
169940,0watchdog/10-21swapper/121:46:421
149940,0migration/027476-21df20:06:350
149940,0migration/026417-21kthreadcore21:36:390
149940,0migration/023657-21kthreadcore20:46:410
149940,0migration/019194-21kthreadcore23:06:430
149940,0migration/015569-21diskmemload00:39:210
149940,0migration/014114-21kthreadcore00:56:410
96139932,0cyclictest704-21df_abs21:21:352
96139932,0cyclictest13793-21awk19:56:372
96139930,0cyclictest30843-21tr20:51:402
96139930,0cyclictest24351-21perl20:26:342
96139930,0cyclictest0-21swapper/219:46:392
96059933,0cyclictest3571-21lldpd00:16:321
96059932,0cyclictest3571-21lldpd21:01:301
96059932,0cyclictest3250-21irqbalance20:56:291
96059932,0cyclictest24493-21awk19:41:381
96059930,0cyclictest7873-21stty21:26:331
96059930,0cyclictest30650-21munin-node19:46:361
96049933,0cyclictest25959-21kworker/0:000:21:270
96049933,0cyclictest10795-21kworker/0:221:41:240
96049933,0cyclictest10795-21kworker/0:221:01:240
96049933,0cyclictest10795-21kworker/0:220:56:240
96049933,0cyclictest10795-21kworker/0:219:36:240
96049930,0cyclictest27420-21aten2.4-expect20:51:330
96049930,0cyclictest0-21swapper/023:56:410
96049930,0cyclictest0-21swapper/022:11:400
96049930,0cyclictest0-21swapper/020:31:400
8305030,0irq/26-0000:00:0-21swapper/321:21:293
329930,0watchdog/30-21swapper/320:31:343
329930,0watchdog/30-21swapper/319:46:463
329930,0watchdog/30-21swapper/319:41:343
329930,0watchdog/30-21swapper/319:31:293
29815030,0irq/29-eth0-tx-0-21swapper/020:11:340
29805030,0irq/28-eth0-rx-18905-21strings20:41:423
29805030,0irq/28-eth0-rx-0-21swapper/320:56:393
29805030,0irq/28-eth0-rx-0-21swapper/320:26:323
29805030,0irq/28-eth0-rx-0-21swapper/320:16:343
249930,0watchdog/20-21swapper/221:11:342
179930,0migration/119692-21sh00:02:051
169930,0watchdog/10-21swapper/123:56:261
169930,0watchdog/10-21swapper/123:01:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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