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2026-01-10 - 06:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 100 highest latencies:
System rack4slot2.osadl.org (updated Sat Jan 10, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502560,0irq/45-4a100000230482sleep019:06:520
23382998768,0cyclictest25461-21munin-node19:14:280
23382998461,0cyclictest0-21swapper22:04:500
23382998258,0cyclictest0-21swapper23:14:210
23382998053,0cyclictest0-21swapper22:14:190
23382997956,0cyclictest0-21swapper20:14:200
23382997844,0cyclictest0-21swapper22:26:240
23382997758,0cyclictest28752-21fschecks_count20:59:420
23382997754,0cyclictest0-21swapper23:59:250
23382997651,0cyclictest0-21swapper21:44:190
23382997559,0cyclictest7350irq/45-4a10000020:29:240
23382997557,0cyclictest23225-21apt-get20:44:240
23382997557,0cyclictest21340-21runrttasks20:39:090
23382997455,0cyclictest6193-21aten_r4power_vo19:54:290
23382997451,0cyclictest9098-21runrttasks21:36:020
23382997447,0cyclictest0-21swapper22:35:070
23382997436,0cyclictest25403-21fw_forwarded_lo20:49:480
23382997359,0cyclictest7350irq/45-4a10000000:25:140
23382997348,0cyclictest0-21swapper20:39:180
23382997341,0cyclictest15196-21kernelversion20:19:520
23382997254,0cyclictest5313-21/usr/sbin/munin23:00:050
23382997234,0cyclictest24338-21sendmail_mailst19:10:090
23382997148,0cyclictest23284-21cron23:54:100
23382997147,0cyclictest27201-21runrttasks00:04:370
23382997136,0cyclictest8260-21tune2fs20:00:060
23382997134,0cyclictest11739-21irqstats20:09:510
23382997052,0cyclictest9985-21grep21:39:410
23382997033,0cyclictest10406-21sensors20:05:120
23382996956,0cyclictest7350irq/45-4a10000022:39:220
23382996951,0cyclictest4469-21runrttasks00:33:180
23382996951,0cyclictest3194-21irqstats19:44:520
23382996950,0cyclictest1395-21df_abs22:49:340
23382996942,0cyclictest13169-21/usr/sbin/munin23:25:180
23382996940,0cyclictest0-21swapper21:23:280
23382996937,0cyclictest16967-21load20:24:540
23382996848,0cyclictest15290-21fschecks_time23:29:430
23382996846,0cyclictest30325-21df_abs21:04:330
23382996844,0cyclictest15432-21ntpq21:55:020
23382996836,0cyclictest24160-21/usr/sbin/munin23:55:030
23382996835,0cyclictest31731-21aten_r4power_en19:34:260
23382996752,0cyclictest7350irq/45-4a10000019:40:000
23382996748,0cyclictest28235-21munin-run20:59:120
23382996747,0cyclictest17927-21runrttasks23:37:220
23382996746,0cyclictest0-21swapper19:25:590
23382996745,0cyclictest30532-21df00:14:320
23382996741,0cyclictest0-21swapper21:09:200
23382996653,0cyclictest7350irq/45-4a10000021:34:080
23382996652,0cyclictest6401-21latency_hist00:39:150
23382996649,0cyclictest23412-21aten_r4power_en22:19:260
23382996649,0cyclictest2144-1kworker/u3:121:18:170
23382996647,0cyclictest26981-21/usr/sbin/munin22:29:330
23382996645,0cyclictest13570-21if_eth021:49:500
23382996643,0cyclictest28070-21runrttasks19:23:510
23382996549,0cyclictest30662-21/usr/sbin/munin19:30:040
23382996546,0cyclictest0-21swapper22:14:080
23382996544,0cyclictest5616-21runrttasks21:25:320
23382996544,0cyclictest11918-21fw_conntrack23:19:460
23382996543,0cyclictest32089-21aten_r4power_cu00:19:260
23382996537,0cyclictest0-21swapper23:10:280
23382996533,0cyclictest28782-21wc00:09:290
23382996451,0cyclictest7350irq/45-4a10000023:39:450
23382996447,0cyclictest12-21ksoftirqd/019:52:050
23382996446,0cyclictest3354-21/usr/sbin/munin22:54:500
23382996444,0cyclictest21048-21/usr/sbin/munin23:45:120
23382996341,0cyclictest32229-21diskstats22:44:380
23382996250,0cyclictest12-21ksoftirqd/021:59:210
23382996243,0cyclictest0-21swapper23:08:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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