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2025-12-11 - 03:34
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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 Thu Dec 11, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156239912144cyclictest25063-21/usr/sbin/munin12:11:300
15328111977sleep0-21swapper/111:40:441
156239911744cyclictest8851-21latency_hist14:16:020
156239911544cyclictest21830-21latency_hist12:00:580
156239911341cyclictest17429-21latency_hist13:31:010
156239911139cyclictest20390-21/usr/sbin/munin11:56:230
156239911042cyclictest29698-21latency_hist15:46:050
156239910942cyclictest32504-21sh14:56:010
156239910938cyclictest27489-21fschecks_count16:36:310
156239910839cyclictest7432-21grep16:01:450
156239910739cyclictest29449-21latency_hist13:56:010
156239910739cyclictest26503-21latency_hist12:15:590
156239910642cyclictest4825-21sh16:51:530
156239910642cyclictest31406-21ssh16:42:020
156239910640cyclictest9265-21/usr/sbin/munin16:06:300
156239910640cyclictest326-21runrttasks17:07:290
14027110672sleep0-21swapper/011:40:250
156239910535cyclictest2942-21swap12:41:350
156239910429cyclictest0-21swapper/012:35:590
156239910336cyclictest20827-21ssh14:36:100
156239910336cyclictest19061-21grep15:26:440
156239910239cyclictest20959-21latency_hist16:26:060
156239910236cyclictest1-21systemd15:33:270
156239910233cyclictest15225-21sed13:21:300
156239910138cyclictest6382-21runrttasks12:53:560
156239910136cyclictest27941-21ssh14:46:430
156239910135cyclictest22447-21sh16:26:520
156239910134cyclictest14881-21latency_hist15:21:040
156239910038cyclictest3392-21df14:06:190
15623999933cyclictest11270-21latency_hist13:11:010
15623999839cyclictest2623-21ssh16:49:040
15623999736cyclictest22265-21chrt13:42:260
15623999736cyclictest22265-21chrt13:42:260
15623999736cyclictest12371-21fschecks_count14:21:250
15623999730cyclictest74-21mmcqd/014:36:030
15623999646cyclictest16740-21/usr/sbin/munin13:26:300
15623999633cyclictest7765-21kworker/u4:016:56:360
15623999628cyclictest16938-21kworker/0:115:24:310
15623999537cyclictest2742-21ssh14:05:300
15623999428cyclictest24930-21load16:31:350
15623999427cyclictest30346-21cat12:26:230
15623999354cyclictest27036-21ssh15:41:180
15623999333cyclictest11810-21latency_hist14:21:020
15623999332cyclictest9709-21latency_hist13:06:000
15623999331cyclictest8074-21latency_hist13:01:000
15623999327cyclictest10308-21sed15:11:440
15623999244cyclictest326-21runrttasks15:58:400
15623999227cyclictest20544-21latency_hist13:41:010
15623999227cyclictest20544-21latency_hist13:41:010
15623999143cyclictest15350-21fschecks_count14:26:240
15623999128cyclictest10569-21needreboot13:06:290
1562399908cyclictest0-21swapper/015:51:350
15623999032cyclictest74-21mmcqd/011:41:330
15623999028cyclictest5976-21sh15:06:010
15623998941cyclictest29969-21fschecks_count13:56:230
15623998926cyclictest24944-21latency_hist12:10:580
15623998841cyclictest326-21runrttasks16:14:580
15623998743cyclictest414-21cpu14:56:170
15623998742cyclictest24756-21latency15:36:350
15623998728cyclictest0-21swapper/012:46:390
15623998643cyclictest26493-21munin-plugin-st13:51:010
15623998643cyclictest26493-21munin-plugin-st13:51:010
15623998643cyclictest24318-21perl14:41:270
15623998638cyclictest6559-21fschecks_count15:06:250
1562399858cyclictest0-21swapper/013:16:170
1562399858cyclictest0-21swapper/011:51:290
15623998542cyclictest15867-21cat16:16:300
15623998541cyclictest9971-21fschecks_time17:01:310
15632998431cyclictest15048-21ssh16:16:051
15632998420cyclictest21461-21fschecks_time15:31:261
1563299834cyclictest19697-21ntp_states11:51:301
15632998325cyclictest24204-21sshd13:46:241
15632998325cyclictest24204-21sshd13:46:241
6950820irq/18-mmc01563299cyclictest13:01:001
1563299829cyclictest0-21swapper/117:03:131
1563299823cyclictest26667-21/usr/sbin/munin12:16:131
15632998222cyclictest31559-21sshd16:42:291
15623998242cyclictest326-21runrttasks12:24:510
15623998236cyclictest955-21idleruntime12:36:220
15623998236cyclictest955-21idleruntime12:36:220
1563299819cyclictest0-21swapper/116:47:291
1563299819cyclictest0-21swapper/115:16:351
1563299819cyclictest0-21swapper/114:46:431
1563299814cyclictest13143-21df_inode13:16:171
22150800irq/18-spi_topc1563299cyclictest14:52:561
1563299808cyclictest0-21swapper/114:31:281
1563299808cyclictest0-21swapper/113:56:411
1563299803cyclictest18027-21wc16:21:051
15632998027cyclictest24794-21sh15:36:361
15632998027cyclictest13088-21if_eth017:06:351
15632998026cyclictest18657-21head13:31:391
15632998023cyclictest18711-21if_eth015:26:321
15632998018cyclictest0-21swapper/115:46:191
1563299798cyclictest0-21swapper/116:27:201
1563299798cyclictest0-21swapper/114:41:221
1563299798cyclictest0-21swapper/113:41:141
1563299798cyclictest0-21swapper/113:41:141
1563299794cyclictest304-21snmpd12:36:241
1563299794cyclictest304-21snmpd12:36:241
1563299793cyclictest6599-21runrttasks16:01:211
1563299793cyclictest2953-21sshd15:55:281
15632997925cyclictest4566-21unixbench_multi15:56:471
15632997924cyclictest480-21systemd-journal12:56:001
15632997921cyclictest6889-21latency14:11:321
15632997921cyclictest6624-21cpu16:56:211
15632997921cyclictest4164-21sh15:01:371
15632997918cyclictest33950irq/43-eth014:26:161
15632997915cyclictest118121chrt15:15:461
15632997914cyclictest797-21if_err_can014:01:301
15632997913cyclictest958-21if_eth114:56:301
1563299788cyclictest0-21swapper/115:24:221
1563299784cyclictest28468-21/usr/sbin/munin12:21:151
1563299784cyclictest24613-21sshd16:31:281
1563299783cyclictest304-21snmpd16:24:501
15632997825cyclictest27212-21ssh15:41:221
15632997822cyclictest27322-21sh13:51:291
15632997821cyclictest16826-21unixbench_singl11:41:351
15632997820cyclictest20545-21diskmemload14:16:301
15632997819cyclictest341-21latency_hist12:35:591
15632997816cyclictest20909-21sh14:36:151
15632997810cyclictest0-21swapper/113:06:111
6950770irq/18-mmc01563299cyclictest12:40:591
1563299779cyclictest0-21swapper/116:06:461
1563299774cyclictest9117-21/usr/sbin/munin13:01:351
1563299774cyclictest3169-21/usr/sbin/munin14:06:151
1563299773cyclictest11330-21aten2.4-expect13:11:101
15632997722cyclictest12724-21interrupts14:21:311
15632997721cyclictest30583-21ntp_kernel_pll_12:26:291
1562399778cyclictest0-21swapper/011:46:230
1563299769cyclictest0-21swapper/113:23:451
1563299768cyclictest0-21swapper/115:07:501
1563299768cyclictest0-21swapper/113:26:171
1563299768cyclictest0-21swapper/111:46:181
1563299764cyclictest20510-21head11:56:121
1563299763cyclictest19130-21sh13:36:111
1563299763cyclictest19130-21sh13:36:111
15632997619cyclictest0-21swapper/112:46:191
15632997616cyclictest27501-21fschecks_count16:36:311
1563299754cyclictest23002-21grep12:01:351
15632997521cyclictest3596-21aten_r9power_po16:51:201
15632997513cyclictest0-21swapper/112:11:221
1563299733cyclictest24137-21/usr/sbin/munin12:06:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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