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2026-04-20 - 04:43
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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 Mon Apr 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502650,0irq/46-4a10000012-21ksoftirqd/019:01:070
320619912745,0cyclictest4190-21/usr/sbin/munin00:00:510
320619912330,0cyclictest18076-21ntpdc19:56:080
320619912133,0cyclictest9543-21ntpq19:31:090
320619912132,0cyclictest30416-21sshd20:31:210
320619912131,0cyclictest19503-21tune2fs20:00:470
320619912112,0cyclictest6498-21sshd00:06:210
320619912110,0cyclictest17907-21runrttasks23:05:560
320619912034,0cyclictest22985-21/usr/sbin/munin20:10:560
320619912030,0cyclictest4262-21chrt19:15:560
320619911933,0cyclictest5656-21df20:55:390
320619911931,0cyclictest17714-21/usr/sbin/munin21:30:450
320619911930,0cyclictest24524-21runrttasks23:25:400
320619911930,0cyclictest1370-21/usr/sbin/munin20:41:180
320619911838,0cyclictest0-21swapper21:49:400
320619911833,0cyclictest2577-21grep19:11:190
320619911832,0cyclictest31716-21/usr/sbin/munin20:36:060
320619911832,0cyclictest2573-21/usr/sbin/munin23:55:590
320619911831,0cyclictest8424-21runrttasks22:37:560
320619911831,0cyclictest4183-21fw_packets20:50:540
320619911740,0cyclictest12156-21latency_hist22:50:220
320619911738,0cyclictest9291-21fschecks_time22:40:500
320619911731,0cyclictest8638-21chrt21:04:460
320619911731,0cyclictest21394-21meminfo20:06:000
320619911729,0cyclictest32059-21cyclictest23:14:520
320619911726,0cyclictest14281-21runrttasks19:45:450
320619911713,0cyclictest13914-21runrttasks19:45:230
320619911712,0cyclictest16289-21chrt21:26:040
320619911633,0cyclictest9440-21meminfo21:06:000
320619911631,0cyclictest21129-21diskstats23:15:420
320619911631,0cyclictest15645-21latency_hist19:50:250
320619911628,0cyclictest25040-21processes20:16:130
320619911540,0cyclictest0-21swapper23:43:010
320619911537,0cyclictest13963-21latency_hist21:20:250
320619911536,0cyclictest27656-21munin-node23:35:290
320619911534,0cyclictest460-21snmpd21:54:420
320619911533,0cyclictest4387-21/usr/sbin/munin22:26:070
320619911530,0cyclictest11593-21grep19:36:190
320619911528,0cyclictest19320-21chrt21:35:380
320619911511,0cyclictest14436-21fw_forwarded_lo00:30:540
320619911434,0cyclictest15471-21sshd22:59:450
320619911432,0cyclictest7778-21seq00:11:060
320619911429,0cyclictest5688-21df_abs22:30:380
320619911429,0cyclictest13608-21runrttasks21:18:240
320619911427,0cyclictest6718-21runrttasks19:22:580
320619911426,0cyclictest11023-21/usr/sbin/munin00:20:510
320619911334,0cyclictest27654-21aten_r4power_cu22:00:290
320619911333,0cyclictest460-21snmpd21:44:380
320619911332,0cyclictest32389-21df_abs19:05:370
320619911326,0cyclictest656-21grep23:50:480
320619911326,0cyclictest31693-21nfs4_client22:11:070
320619911310,0cyclictest1127-21uname22:16:140
320619911233,0cyclictest26002-21aten_r4power_po21:55:320
320619911232,0cyclictest12296-21aten_r4power_en22:50:310
320619911231,0cyclictest27531-21modprobe23:35:200
320619911229,0cyclictest8556-21seq19:29:090
320619911226,0cyclictest2406-21tune2fs22:20:470
320619911226,0cyclictest17164-21runrttasks23:04:390
320619911216,0cyclictest27522-21munin-run20:25:210
320619911122,0cyclictest30854-21runrttasks22:09:560
320619911111,0cyclictest28099-21fw_forwarded_lo20:25:530
320619911037,0cyclictest23746-21runrttasks23:22:280
320619911027,0cyclictest7450irq/46-4a10000000:25:350
320619911016,0cyclictest10758-21df21:10:380
320619911015,0cyclictest9183-21diskstats00:15:460
320619911013,0cyclictest31738-21ntp_offset23:46:090
320619911012,0cyclictest2623-21memory20:46:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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