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2025-10-20 - 07:31
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack9slot4.osadl.org (updated Mon Oct 20, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30446112674sleep0-21swapper/121:31:301
30756991146cyclictest30743-21cyclictest02:02:120
30756991143cyclictest1076-21ssh01:17:260
30756991124cyclictest15216-21aten2.4-expect23:51:590
30756991123cyclictest326-21runrttasks23:11:570
221501110irq/18-spi_topc3075699cyclictest00:42:160
30756991103cyclictest4547-21ssh02:18:390
307569910915cyclictest0-21swapper/000:16:300
30756991078cyclictest0-21swapper/022:46:560
30756991077cyclictest0-21swapper/000:26:590
307569910760cyclictest0-21swapper/002:54:300
307569910760cyclictest0-21swapper/002:54:300
30756991075cyclictest27903-21latency_hist23:06:450
30756991074cyclictest29460-21ssh01:11:490
30756991073cyclictest6728-21sort21:57:080
30756991073cyclictest31106-21users00:17:320
30756991073cyclictest21826-21timerandwakeup01:52:320
30756991064cyclictest16514-21swap22:27:190
30756991063cyclictest12860-21cut22:17:040
29539110670sleep0-21swapper/021:31:180
30756991055cyclictest304-21snmpd00:07:140
30756991044cyclictest602-21sh00:22:050
30756991038cyclictest0-21swapper/022:32:050
30756991028cyclictest0-21swapper/022:37:150
30756991027cyclictest0-21swapper/023:32:280
307569910268cyclictest0-21swapper/002:27:440
30756991023cyclictest4502-21sh01:23:010
30756991023cyclictest14327-21ssh01:41:010
30756991017cyclictest0-21swapper/003:01:150
30756991014cyclictest15862-21wc00:47:200
30756991014cyclictest14736-21sh23:51:040
30756991013cyclictest7662-21vmstat23:37:330
30756991007cyclictest0-21swapper/000:01:470
30756991003cyclictest23199-21latency_hist22:51:450
221501000irq/18-spi_topc3075699cyclictest02:23:090
3075699999cyclictest0-21swapper/023:22:160
3075699993cyclictest20267-21latency_hist02:46:520
3075699988cyclictest0-21swapper/023:27:170
3075699988cyclictest0-21swapper/001:47:440
3075699987cyclictest0-21swapper/021:32:040
3075699984cyclictest480-21systemd-journal00:32:290
3075699983cyclictest2708-21latency_hist02:16:510
22150980irq/18-spi_topc3075699cyclictest22:14:430
3075699974cyclictest21155-21if_eth102:47:190
3075699973cyclictest74-21mmcqd/021:56:430
3075699973cyclictest15409-21latency_hist22:26:440
30756999715cyclictest0-21swapper/023:17:060
30756999714cyclictest0-21swapper/023:42:180
3075699968cyclictest0-21swapper/001:46:360
3075699967cyclictest0-21swapper/000:04:560
30756999616cyclictest0-21swapper/023:07:000
30756999615cyclictest0-21swapper/001:02:100
30765999510cyclictest0-21swapper/122:37:111
3075699959cyclictest0-21swapper/002:37:230
3075699953cyclictest74-21mmcqd/001:16:500
3075699948cyclictest0-21swapper/022:42:170
3075699948cyclictest0-21swapper/002:36:140
3075699948cyclictest0-21swapper/000:37:220
3075699943cyclictest29475-21aten_r9power_cu02:07:020
3075699937cyclictest0-21swapper/000:59:350
3075699933cyclictest74-21mmcqd/001:27:360
30756999315cyclictest0-21swapper/001:33:110
3076599919cyclictest0-21swapper/102:45:501
3076599919cyclictest0-21swapper/102:22:011
3075699915cyclictest32098-21kworker/0:221:36:540
3075699903cyclictest74-21mmcqd/022:11:440
3076599898cyclictest0-21swapper/101:12:291
30756998913cyclictest0-21swapper/001:57:300
3076599889cyclictest0-21swapper/101:03:471
30765998810cyclictest0-21swapper/100:49:321
3076599868cyclictest0-21swapper/101:50:121
3075699868cyclictest0-21swapper/021:42:180
3075699853cyclictest18212-21df00:52:050
6950840irq/18-mmc03076599cyclictest23:11:461
3075699847cyclictest0-21swapper/021:46:440
3076599839cyclictest0-21swapper/122:51:561
30756998315cyclictest0-21swapper/022:02:030
3076599829cyclictest0-21swapper/100:43:381
3076599809cyclictest0-21swapper/100:55:451
3075699763cyclictest24968-21chrt22:56:570
6950750irq/18-mmc03076599cyclictest23:42:181
30765997511cyclictest0-21swapper/122:47:101
30765997511cyclictest0-21swapper/121:52:031
22150750irq/18-spi_topc3076599cyclictest22:15:291
3076599749cyclictest0-21swapper/123:32:261
3076599749cyclictest0-21swapper/123:25:271
6950730irq/18-mmc03076599cyclictest01:01:491
3076599739cyclictest0-21swapper/122:22:111
3076599738cyclictest0-21swapper/100:38:001
30765997311cyclictest0-21swapper/101:42:171
6950720irq/18-mmc03076599cyclictest02:29:171
3076599729cyclictest0-21swapper/123:27:111
3076599729cyclictest0-21swapper/102:17:511
30765997211cyclictest0-21swapper/102:53:101
30765997211cyclictest0-21swapper/102:53:101
30765997210cyclictest0-21swapper/121:57:081
3076599719cyclictest0-21swapper/123:52:361
3076599709cyclictest0-21swapper/123:02:061
3076599709cyclictest0-21swapper/122:32:221
3076599709cyclictest0-21swapper/121:42:101
3076599709cyclictest0-21swapper/101:39:071
30765997010cyclictest0-21swapper/102:37:361
3076599699cyclictest0-21swapper/101:22:171
3076599699cyclictest0-21swapper/100:11:521
3076599698cyclictest0-21swapper/101:10:461
30765996910cyclictest0-21swapper/123:37:571
3076599689cyclictest0-21swapper/100:18:131
3076599669cyclictest0-21swapper/123:17:121
22150660irq/18-spi_topc3076599cyclictest03:01:401
33950620irq/43-eth03076599cyclictest00:09:571
22150620irq/18-spi_topc3076599cyclictest23:14:201
33950610irq/43-eth06308-21ssh00:32:021
33950610irq/43-eth023336-21sh00:05:291
3076599619cyclictest0-21swapper/122:17:201
33950600irq/43-eth0836-21ssh01:17:181
33950600irq/43-eth029988-21fschecks_time02:07:141
30765996019cyclictest0-21swapper/102:12:371
30765996011cyclictest0-21swapper/122:27:071
22150600irq/18-spi_topc3076599cyclictest21:39:291
33950590irq/43-eth04713-21ssh00:28:011
33950590irq/43-eth03068-21latency_hist00:26:481
1699590watchdog/16943-21ntp_states01:27:251
1699590watchdog/113077-21missed_timers23:47:181
33950580irq/43-eth0326-21runrttasks01:59:011
33950580irq/43-eth020888-21/usr/sbin/munin02:47:141
22150580irq/18-spi_topc11677-21latency_hist01:36:501
33950570irq/43-eth022825-21ssh01:55:071
3076599579cyclictest0-21swapper/122:01:561
33950560irq/43-eth026525-21/usr/sbin/munin02:02:241
1799560migration/125204-21fschecks_count22:57:041
33950550irq/43-eth00-21swapper/102:35:031
3076599558cyclictest0-21swapper/123:57:171
33950540irq/43-eth020225-21aten_r9power_cu22:41:551
3076599549cyclictest0-21swapper/121:46:501
3076599548cyclictest0-21swapper/121:32:271
3076599539cyclictest0-21swapper/122:07:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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