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2026-10-25 - 01:03
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack9slot4.osadl.org (updated Sat Oct 24, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4186991163cyclictest26013-21cpuspeed01:22:040
3856111579sleep0-21swapper/122:26:361
41869911411cyclictest0-21swapper/003:37:270
3919111474sleep0-21swapper/022:26:390
4186991119cyclictest0-21swapper/023:21:480
4186991118cyclictest0-21swapper/003:26:550
4186991118cyclictest0-21swapper/001:32:100
41869911160cyclictest0-21swapper/023:56:480
4186991103cyclictest14910-21latency_hist00:46:500
4186991093cyclictest8648-21latency_hist03:56:560
4186991093cyclictest6591-21chrt02:02:240
4186991088cyclictest0-21swapper/001:16:520
4186991083cyclictest8897-21/usr/sbin/munin22:42:100
41869910815cyclictest0-21swapper/003:42:130
4186991075cyclictest29699-21/usr/sbin/munin03:17:250
4186991063cyclictest16407-21latency_hist02:36:540
4186991058cyclictest0-21swapper/001:56:520
41869910555cyclictest0-21swapper/003:11:540
4186991043cyclictest10280-21latency_hist00:31:490
4186991038cyclictest0-21swapper/022:52:170
4186991024cyclictest19580-21latency_hist23:16:470
4186991018cyclictest0-21swapper/000:56:500
4186991013cyclictest2609-21latency_hist00:06:490
41869910116cyclictest0-21swapper/023:17:040
4186991008cyclictest0-21swapper/000:13:460
4186991003cyclictest22080-21processes02:52:280
418699988cyclictest0-21swapper/023:46:480
418699985cyclictest18968-21open_inodes02:42:360
418699985cyclictest18968-21open_inodes02:42:360
4186999814cyclictest0-21swapper/000:47:100
22250980irq/18-spi_topc418699cyclictest02:57:190
418699979cyclictest0-21swapper/002:22:250
418699979cyclictest0-21swapper/002:22:250
4186999750cyclictest0-21swapper/000:16:490
418699973cyclictest16700-21cpu02:37:230
418699963cyclictest18038-21latency_hist23:11:470
4186999617cyclictest0-21swapper/000:32:220
4186999614cyclictest0-21swapper/000:37:180
418699958cyclictest0-21swapper/023:36:480
418699958cyclictest0-21swapper/002:11:520
418699953cyclictest27297-21latency_hist23:41:490
418699953cyclictest11921-21latency_hist22:51:470
418699947cyclictest0-21swapper/002:16:530
418699943cyclictest31840-21latency_hist03:26:550
418699943cyclictest31840-21latency_hist03:26:550
4186999416cyclictest0-21swapper/022:57:180
4186999416cyclictest0-21swapper/022:32:160
4186999415cyclictest0-21swapper/023:27:120
4186999415cyclictest0-21swapper/002:17:230
4186999347cyclictest0-21swapper/023:02:120
22250930irq/18-spi_topc418699cyclictest01:07:000
418699928cyclictest0-21swapper/001:12:160
418699918cyclictest0-21swapper/003:47:200
4186999140cyclictest0-21swapper/003:12:070
4186999110cyclictest0-21swapper/001:42:160
418699908cyclictest0-21swapper/002:27:230
418699903cyclictest20269-21if_err_eth101:02:130
418699903cyclictest20269-21if_err_eth101:02:130
4186999011cyclictest0-21swapper/001:37:320
4186999010cyclictest0-21swapper/001:01:510
418699899cyclictest0-21swapper/001:27:350
4186998966cyclictest0-21swapper/022:37:130
418699895cyclictest25719-21latency_hist03:06:540
418699893cyclictest21081-21latency_hist02:51:530
418699893cyclictest1004-21latency_hist03:31:550
418699888cyclictest0-21swapper/001:47:110
418699883cyclictest8060-21kworker/u4:101:57:220
418699879cyclictest0-21swapper/000:07:120
418699863cyclictest5363-21unixbench_singl22:27:230
418699838cyclictest0-21swapper/023:51:480
418699818cyclictest0-21swapper/023:57:050
4186998019cyclictest7434-21cpu00:22:020
7050720irq/18-mmc1419899cyclictest22:57:381
4198996920cyclictest0-21swapper/100:27:111
4198996410cyclictest0-21swapper/123:52:241
4198996321cyclictest0-21swapper/102:47:121
4198996212cyclictest0-21swapper/122:37:011
32450620irq/43-eth0285-21snmpd02:12:131
419899619cyclictest0-21swapper/122:52:011
419899617cyclictest0-21swapper/123:18:291
4198996111cyclictest0-21swapper/103:22:231
4198996111cyclictest0-21swapper/103:22:231
32450610irq/43-eth00-21swapper/102:42:241
32450610irq/43-eth00-21swapper/102:42:241
1699610watchdog/110364-21latency_hist00:31:501
419899609cyclictest0-21swapper/102:22:141
419899609cyclictest0-21swapper/102:22:141
4198996010cyclictest0-21swapper/103:12:201
419899599cyclictest0-21swapper/101:32:321
419899597cyclictest0-21swapper/102:53:401
4198995916cyclictest0-21swapper/103:37:111
4198995911cyclictest0-21swapper/100:37:121
32450590irq/43-eth018490-21fschecks_count23:12:061
22250590irq/18-spi_topc419899cyclictest00:07:121
1699590watchdog/11026-21ls03:31:551
4198995823cyclictest0-21swapper/101:27:101
4198995811cyclictest0-21swapper/101:42:121
4198995810cyclictest0-21swapper/103:07:251
4198995810cyclictest0-21swapper/100:57:201
4198995810cyclictest0-21swapper/100:02:241
1699580watchdog/116240-21runrttasks00:48:221
419899579cyclictest0-21swapper/123:02:011
419899579cyclictest0-21swapper/103:52:191
419899579cyclictest0-21swapper/101:47:301
419899579cyclictest0-21swapper/101:07:171
419899579cyclictest0-21swapper/101:02:191
419899579cyclictest0-21swapper/101:02:191
419899578cyclictest0-21swapper/101:52:141
419899577cyclictest0-21swapper/101:14:501
419899576cyclictest0-21swapper/100:14:001
4198995710cyclictest0-21swapper/100:52:081
1799570migration/19858-21processes22:42:211
1799570migration/15726-21aten_r9power_en03:47:071
1799570migration/124820-21runrttasks01:17:121
1799570migration/117471-21ntp_offset23:07:181
419899569cyclictest0-21swapper/103:42:321
419899569cyclictest0-21swapper/102:17:191
419899569cyclictest0-21swapper/102:07:071
419899569cyclictest0-21swapper/101:37:261
419899568cyclictest0-21swapper/123:47:011
419899568cyclictest0-21swapper/103:17:291
419899567cyclictest0-21swapper/100:19:381
419899566cyclictest0-21swapper/103:30:471
4198995610cyclictest0-21swapper/122:27:201
4198995610cyclictest0-21swapper/103:02:271
32450560irq/43-eth021271-21aten2.4-expect23:21:591
419899559cyclictest0-21swapper/100:22:131
419899558cyclictest0-21swapper/123:42:181
419899558cyclictest0-21swapper/100:42:201
4198995517cyclictest0-21swapper/123:27:031
4198995510cyclictest0-21swapper/102:57:151
4198995510cyclictest0-21swapper/102:32:291
4198995510cyclictest0-21swapper/101:57:181
419899549cyclictest0-21swapper/123:32:071
4198995427cyclictest0-21swapper/102:02:141
32450540irq/43-eth0732-21who23:57:271
32450540irq/43-eth010712-21sh22:47:011
32450540irq/43-eth01-21systemd02:27:031
1699540watchdog/16226-21fschecks_time22:32:061
419899538cyclictest0-21swapper/101:22:221
419899529cyclictest0-21swapper/102:37:441
419899528cyclictest0-21swapper/123:37:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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