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2026-06-21 - 11:05
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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 Sun Jun 21, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502490,0irq/46-4a1000004118-1kworker/u3:019:06:440
62219913044,0cyclictest5525-21/usr/sbin/munin20:40:130
62219913036,0cyclictest19597-21runrttasks19:45:420
62219912737,0cyclictest22613-21/usr/sbin/munin23:05:140
62219912637,0cyclictest13926-21/usr/sbin/munin22:40:050
62219912533,0cyclictest8800-21cpu22:25:050
62219912510,0cyclictest17484-21diskstats19:40:120
62219912333,0cyclictest16949-21runrttasks19:39:140
62219912331,0cyclictest24540-21runrttasks20:00:310
62219912326,0cyclictest19320-21fw_conntrack22:55:210
62219912240,0cyclictest29769-21/usr/sbin/munin21:50:370
62219912238,0cyclictest32349-21runrttasks23:34:330
62219912235,0cyclictest374-21diskstats23:35:130
62219912226,0cyclictest23354-21users21:30:490
62219912212,0cyclictest21182-21meminfo00:35:300
62219912136,0cyclictest470-21runrttasks23:00:140
62219912134,0cyclictest4896-21runrttasks22:13:320
62219912133,0cyclictest5497-21df_inode23:50:120
62219912127,0cyclictest11378-21grep22:30:490
62219912126,0cyclictest27289-21idleruntime-cro20:09:510
62219912111,0cyclictest6713-21/usr/sbin/munin19:10:180
62219912110,0cyclictest4669-21runrttasks20:36:370
62219912041,0cyclictest0-21swapper20:57:410
62219912033,0cyclictest24362-21sort21:35:170
62219912033,0cyclictest14271-21irqstats00:15:270
62219912032,0cyclictest21210-21/usr/sbin/munin19:50:420
62219912031,0cyclictest27185-21runrttasks23:19:110
62219912027,0cyclictest7464-21irqstats22:20:330
62219912023,0cyclictest26192-21chrt21:40:300
62219912016,0cyclictest13098-21uptime22:35:470
62219911940,0cyclictest17798-21missed_timers21:15:370
62219911940,0cyclictest15421-21latency_hist22:44:530
62219911939,0cyclictest10323-21latency_hist00:04:540
62219911937,0cyclictest5660-21fw_forwarded_lo22:15:240
62219911934,0cyclictest12347-21df_inode00:10:130
62219911933,0cyclictest17932-21proc_pri00:25:400
62219911931,0cyclictest9261-21/usr/sbin/munin00:00:400
62219911931,0cyclictest1527-21seq22:03:490
62219911931,0cyclictest13175-21runrttasks19:26:090
62219911931,0cyclictest11555-21runrttasks19:21:520
62219911930,0cyclictest19470-21ls21:20:360
62219911930,0cyclictest14315-21latency21:05:270
62219911928,0cyclictest4957-21seq23:49:000
62219911925,0cyclictest2396-21memory20:30:320
62219911912,0cyclictest9227-21runrttasks20:50:300
62219911839,0cyclictest9750-21sshd19:16:130
62219911831,0cyclictest31795-21ls21:55:480
62219911829,0cyclictest32379-21runrttasks20:24:370
62219911828,0cyclictest12674-21memory21:00:390
62219911827,0cyclictest8377-21runrttasks23:59:000
62219911827,0cyclictest27855-21cut20:10:190
62219911826,0cyclictest18547-21chrt22:53:220
62219911812,0cyclictest32532-21sort20:24:550
62219911811,0cyclictest22744-21fw_conntrack19:55:220
62219911729,0cyclictest18526-1kworker/u3:200:33:230
62219911729,0cyclictest15887-21tune2fs00:20:250
62219911729,0cyclictest14677-21switchtime19:30:460
62219911728,0cyclictest24593-21/usr/sbin/munin23:10:300
62219911728,0cyclictest16169-21runrttasks21:10:410
62219911725,0cyclictest27419-21runrttasks23:19:580
62219911628,0cyclictest7450irq/46-4a10000022:05:120
62219911528,0cyclictest30448-21runrttasks23:27:520
62219911527,0cyclictest20796-21expr21:25:070
62219911437,0cyclictest2782-21/usr/sbin/munin23:40:530
62219911431,0cyclictest82062chrt20:47:270
62219911333,0cyclictest30091-21runrttasks20:15:470
62219911328,0cyclictest28760-21runrttasks21:47:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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