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2025-10-14 - 05:28
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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 highest latencies:
System rack4slot2.osadl.org (updated Tue Oct 14, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502880,0irq/46-4a10000017104-1kworker/u3:019:08:010
18114999673,0cyclictest23807-21runrttasks19:24:400
18114999672,0cyclictest16627-21fw_forwarded_lo23:55:260
18114999666,0cyclictest16382-21sed22:20:200
18114999475,0cyclictest28528-21fw_conntrack22:55:320
18114999376,0cyclictest19480-21apt-get00:06:440
18114999375,0cyclictest443-21snmpd20:19:500
18114999375,0cyclictest29077-21switchtime00:30:510
18114999371,0cyclictest28602-21runrttasks19:36:540
18114999369,0cyclictest25287-21runrttasks19:27:440
18114999273,0cyclictest31546-21aten_r4power_en23:05:060
18114999270,0cyclictest27152-21runrttasks19:34:050
18114999260,0cyclictest12913-21sendmail_mailqu20:25:500
18114999174,0cyclictest15359-21latency_hist20:34:570
18114999171,0cyclictest10230-21apt-get20:21:420
18114999168,0cyclictest9074-21sh21:59:480
18114999168,0cyclictest22018-21ntp_states00:10:460
18114999168,0cyclictest12552-21runrttasks23:44:300
18114999155,0cyclictest29516-21tune2fs19:40:260
18114999073,0cyclictest24629-21sendmail-msp00:19:570
18114999072,0cyclictest19875-21/usr/sbin/munin20:50:120
18114999068,0cyclictest3595-21runrttasks23:16:230
18114999068,0cyclictest23189-21df_abs22:40:170
18114999068,0cyclictest13349-21meminfo23:45:320
18114999067,0cyclictest7568-21ls23:29:520
18114999067,0cyclictest20271-21munin-node19:15:110
18114999056,0cyclictest4268-21/usr/sbin/munin21:45:110
18114999056,0cyclictest1239-21/usr/sbin/munin23:10:300
18114998971,0cyclictest19742-21runrttasks19:14:260
18114998969,0cyclictest19739-21df_abs22:30:130
18114998969,0cyclictest19111-21seq00:01:560
18114998968,0cyclictest24709-21sensors21:05:480
18114998967,0cyclictest18020-21aten_r4power_po20:45:050
18114998965,0cyclictest3973-21wc21:44:500
18114998965,0cyclictest29817-21/usr/sbin/munin23:00:060
18114998964,0cyclictest10314-21users22:01:070
18114998956,0cyclictest26912-21ntp_kernel_pll_21:15:380
18114998868,0cyclictest22639-21irqstats21:00:350
18114998867,0cyclictest7125-21runrttasks23:27:060
18114998867,0cyclictest32593-21/usr/sbin/munin21:31:560
18114998864,0cyclictest27986-21latency_hist22:54:520
18114998855,0cyclictest12631-21apt22:09:580
18114998769,0cyclictest18753-21awk22:25:520
18114998768,0cyclictest26940-21idleruntime00:25:290
18114998766,0cyclictest24313-21runrttasks00:17:370
18114998766,0cyclictest22689-21chrt22:39:080
18114998764,0cyclictest14934-21idleruntime23:50:290
18114998752,0cyclictest30957-21cut19:45:100
18114998666,0cyclictest6296-21if_eth021:50:310
18114998664,0cyclictest3541-21aten_r4power_cu20:00:060
18114998664,0cyclictest30766-21mailstats00:35:510
18114998663,0cyclictest4505-21diskstats23:20:220
18114998661,0cyclictest32537-21/usr/sbin/munin19:50:590
18114998650,0cyclictest29876-21cstates21:25:090
18114998650,0cyclictest14466-21aten_r4power_vo22:15:090
18114998567,0cyclictest14145-21fschecks_count20:30:210
18114998559,0cyclictest27979-21apt-get21:20:030
18114998552,0cyclictest8338-21chrt20:13:340
18114998469,0cyclictest26306-21runrttasks22:49:540
18114998464,0cyclictest9830-21interrupts23:35:290
18114998463,0cyclictest2014-21df19:55:140
18114998461,0cyclictest1186-21irqstats21:35:340
18114998371,0cyclictest12503-21idleruntime-cro22:09:480
18114998365,0cyclictest21893-21seq20:59:280
18114998362,0cyclictest5844-21meminfo20:05:380
18114998263,0cyclictest17095-21sendmail-msp20:40:160
18114998257,0cyclictest0-21swapper21:13:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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