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2025-12-05 - 17:30
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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 Fri Dec 05, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502840,0irq/45-4a10000065482sleep007:06:540
73501050,0irq/45-4a10000031171-21kworker/u2:012:13:170
7350970,0irq/45-4a10000024271-21sendmail-msp10:17:480
7450940,0irq/46-4a1000009688-21nfs4_client09:34:240
7450940,0irq/46-4a10000030115-21irqstats10:34:010
7450940,0irq/46-4a10000023104-21seq08:22:200
7450940,0irq/46-4a10000020747-21ls08:08:350
7450930,0irq/46-4a1000006164-21cut12:33:190
7450930,0irq/46-4a10000023973-21ntp_kernel_err08:23:360
7450930,0irq/46-4a10000011469-21runrttasks11:14:150
7450920,0irq/46-4a1000008199-21timerandwakeup09:28:490
7450920,0irq/46-4a1000003705-21runrttasks12:26:290
7450920,0irq/46-4a10000011224-21runrttasks07:23:360
1439129211,0sleep014394-21diskstats09:48:130
7450910,0irq/46-4a100000443-21snmpd09:47:050
7450910,0irq/46-4a10000031247-21chrt10:37:590
7450910,0irq/46-4a10000031207-21https12:12:470
7450910,0irq/46-4a10000030385-21pluginstate08:53:390
7450910,0irq/46-4a10000028112-21expr12:03:100
7450910,0irq/46-4a10000027271-21users11:58:520
7450910,0irq/46-4a10000019952-21meminfo11:38:330
7450910,0irq/46-4a10000017736-21wget11:33:020
7450910,0irq/46-4a1000001174-21ntpq10:43:390
6706999157,0cyclictest0-21swapper11:08:120
7450900,0irq/46-4a1000007281-21fw_forwarded_lo07:08:210
7450900,0irq/46-4a1000005946-21df_inode10:58:130
7450900,0irq/46-4a1000005716-21cstates09:23:070
7450900,0irq/46-4a1000004970-21unixbench_singl10:54:080
7450900,0irq/46-4a100000443-21snmpd08:06:240
7450900,0irq/46-4a10000032690-21munin-plugin-st09:07:460
7450900,0irq/46-4a10000026802-21sshd08:38:140
7450900,0irq/46-4a1000002618-21tune2fs10:48:200
7450900,0irq/46-4a10000024398-21ls11:52:490
7450900,0irq/46-4a10000022044-21ls11:44:040
7450900,0irq/46-4a10000022020-21users10:08:520
7450900,0irq/46-4a10000020262-21chrt10:03:500
7450900,0irq/46-4a10000013216-21/usr/sbin/munin11:19:260
7450900,0irq/46-4a10000012517-21seq07:29:410
7450900,0irq/46-4a1000001058-21fw_conntrack12:18:260
7450890,0irq/46-4a1000008762-21users07:13:010
7450890,0irq/46-4a100000810-21fw_conntrack09:08:190
7450890,0irq/46-4a10000031351-21date08:57:510
7450890,0irq/46-4a10000029580-21sed08:52:490
7450890,0irq/46-4a10000027625-21seq10:27:290
7450890,0irq/46-4a10000024512-21cut11:53:040
7450890,0irq/46-4a10000016807-21apt07:52:460
7450890,0irq/46-4a10000016275-21grep11:28:200
7450880,0irq/46-4a1000007220-21latency_hist11:02:500
7450880,0irq/46-4a1000004476-21fw_packets12:28:260
7450880,0irq/46-4a1000002842-21processes09:13:420
7450880,0irq/46-4a10000027909-21wget10:28:100
7450880,0irq/46-4a10000019093-21seq08:01:310
7450880,0irq/46-4a10000016927-21sshd09:54:140
7450880,0irq/46-4a10000015913-21seq07:46:300
7450880,0irq/46-4a10000014385-21load07:38:330
7450880,0irq/46-4a10000014158-21sed11:22:500
7450880,0irq/46-4a10000011212-21irqstats09:38:310
7450870,0irq/46-4a10000026186-21chrt08:36:420
7450870,0irq/46-4a10000025440-21sed10:18:530
7450870,0irq/46-4a10000017654-21aten_r4power_vo09:58:080
7450870,0irq/46-4a10000017168-21sed07:53:070
7450870,0irq/46-4a10000013128-21runrttasks07:33:440
6706998663,0cyclictest0-21swapper09:18:320
7450850,0irq/46-4a1000009868-21chrt07:17:540
7450850,0irq/46-4a10000022393-21seq08:17:380
7450840,0irq/46-4a10000025201-21seq08:29:310
7350840,0irq/45-4a1000006704-21cyclictest08:43:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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