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2025-12-09 - 21:49
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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 Dec 09, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502720,0irq/45-4a10000017612-21kworker/0:407:06:510
2581929910,0sleep025822-21df_inode09:03:250
2766529412,0sleep027691-21df_inode12:18:010
17774999359,0cyclictest0-21swapper09:23:330
17774999359,0cyclictest0-21swapper08:28:330
7450910,0irq/46-4a1000001598-21runrttasks12:37:290
7450900,0irq/46-4a1000007334-21kworker/u2:207:38:220
7450900,0irq/46-4a1000007154-21df_inode11:18:110
7450900,0irq/46-4a10000030566-21ls09:17:410
7350900,0irq/45-4a1000004841-21wc08:02:440
314932909,0sleep031501-21cat07:44:360
17774999060,0cyclictest0-21swapper08:08:100
17774999058,0cyclictest0-21swapper11:38:240
7450890,0irq/46-4a1000008028-21seq09:45:320
7450890,0irq/46-4a100000443-21snmpd07:25:170
7450890,0irq/46-4a1000003997-21meminfo11:08:240
7450890,0irq/46-4a10000032618-21/usr/sbin/munin10:57:570
7450890,0irq/46-4a10000022396-21fw_forwarded_lo07:18:140
17774998967,0cyclictest0-21swapper08:58:380
17774998956,0cyclictest0-21swapper08:23:160
7450880,0irq/46-4a100000443-21snmpd10:41:440
7450880,0irq/46-4a10000024409-21fschecks_time12:08:160
7450880,0irq/46-4a10000020065-21seq10:20:380
7450880,0irq/46-4a10000012424-21/usr/sbin/munin11:33:340
7450880,0irq/46-4a10000012327-21/usr/sbin/munin09:58:150
7450880,0irq/46-4a10000010634-21meminfo08:18:220
17774998857,0cyclictest0-21swapper11:48:180
17774998856,0cyclictest0-21swapper07:48:360
7450870,0irq/46-4a1000009847-21seq11:25:340
7450870,0irq/46-4a1000004700-21chrt09:36:290
7450870,0irq/46-4a100000443-21snmpd11:32:030
7450870,0irq/46-4a100000443-21snmpd07:30:190
7450870,0irq/46-4a10000029494-21memory09:13:270
7450870,0irq/46-4a10000027802sleep007:55:510
7450870,0irq/46-4a100000258872sleep012:13:020
7450870,0irq/46-4a10000024379-21if_eth010:33:180
7450870,0irq/46-4a10000021947-21sshd10:27:060
7450870,0irq/46-4a10000019376-21grep08:43:330
17774998755,0cyclictest0-21swapper11:43:530
7450860,0irq/46-4a1000009844-21runrttasks08:17:310
7450860,0irq/46-4a10000028136-21users07:33:420
7450860,0irq/46-4a10000022581-21kernelversion08:53:240
7450860,0irq/46-4a10000020770-21fw_conntrack08:48:120
7450860,0irq/46-4a10000018142sleep011:02:570
7450860,0irq/46-4a10000016950-21wc10:12:400
7450860,0irq/46-4a10000016744-21munin-run08:37:370
7450860,0irq/46-4a10000016529-21seq10:10:010
7450860,0irq/46-4a10000014118-21irqstats10:03:210
17774998664,0cyclictest0-21swapper08:37:550
17774998656,0cyclictest0-21swapper10:28:330
17774998655,0cyclictest0-21swapper07:58:290
7450850,0irq/46-4a1000005422-21diskstats11:13:090
7450850,0irq/46-4a10000030925-21cat10:53:010
7450850,0irq/46-4a1000002826-1kworker/u3:209:31:290
7450850,0irq/46-4a10000027201-21/usr/sbin/munin09:07:520
290362858,0sleep028964-21latency_hist12:22:400
17774998552,0cyclictest0-21swapper10:48:440
7450840,0irq/46-4a1000005397-21tune2fs09:38:110
7450840,0irq/46-4a10000032351-21seq12:32:310
7450840,0irq/46-4a10000023747-21runrttasks12:07:090
17774998451,0cyclictest0-21swapper07:13:520
7450830,0irq/46-4a100000443-21snmpd09:56:250
7450830,0irq/46-4a100000283392chrt10:44:360
7450830,0irq/46-4a100000219862sleep012:01:440
7450830,0irq/46-4a10000019645-21grep11:53:380
7450830,0irq/46-4a10000017982-21wget07:07:550
7450820,0irq/46-4a1000009561-21sshd09:49:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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