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2025-09-13 - 14:50
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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 all highest latencies:
System rack4slot2.osadl.org (updated Sat Sep 13, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502350,0irq/46-4a10000011155-1kworker/u3:007:03:130
2375629710,0sleep022416-21apt-get07:34:250
13283999358,0cyclictest0-21swapper09:43:120
1940929212,0sleep019439-21expr08:57:350
13283999268,0cyclictest0-21swapper10:18:100
13283999258,0cyclictest0-21swapper09:18:060
13283999256,0cyclictest0-21swapper09:03:140
7450910,0irq/46-4a10000013750-21chrt07:07:440
162029111,0sleep01621-21users11:13:210
1480129111,0sleep014803-21irqstats11:52:560
13283999170,0cyclictest0-21swapper08:22:560
13283999158,0cyclictest0-21swapper11:38:060
13283999157,0cyclictest0-21swapper07:58:170
7450900,0irq/46-4a100000406-21munin-run11:12:120
13283999059,0cyclictest0-21swapper08:52:540
13283999057,0cyclictest0-21swapper11:48:040
7450890,0irq/46-4a100000439-21snmpd10:05:020
7450890,0irq/46-4a10000030479-21users07:53:180
7450890,0irq/46-4a10000023973-21kworker/u2:910:58:530
13283998958,0cyclictest0-21swapper09:33:120
13283998954,0cyclictest0-21swapper12:12:280
13283998943,0cyclictest0-21swapper10:44:210
7450880,0irq/46-4a1000008555-21users09:59:320
7450880,0irq/46-4a10000025639-21runrttasks09:14:380
7450880,0irq/46-4a10000019455-21/usr/sbin/munin12:07:280
7450880,0irq/46-4a1000001144-21ps08:03:100
600628810,0sleep06035-21if_eth008:17:530
1916928812,0sleep019167-21cron10:32:100
13283998857,0cyclictest0-21swapper07:12:590
13283998856,0cyclictest0-21swapper12:23:090
13283998856,0cyclictest0-21swapper11:57:400
13283998856,0cyclictest0-21swapper11:23:210
13283998856,0cyclictest0-21swapper09:22:500
13283998855,0cyclictest0-21swapper08:38:540
7450870,0irq/46-4a1000009027-21latency_hist11:37:130
7450870,0irq/46-4a1000005977-21df_inode09:52:570
7450870,0irq/46-4a1000004237-21diskstats09:47:420
7450870,0irq/46-4a1000003383-21chrt11:18:260
7450870,0irq/46-4a10000024600-21diskstats07:37:450
7450870,0irq/46-4a10000020261-21/usr/sbin/munin10:33:340
7450870,0irq/46-4a10000018639-21kworker/u2:607:27:470
7450870,0irq/46-4a1000001340-21find09:38:130
13283998766,0cyclictest0-21swapper12:28:170
13283998756,0cyclictest0-21swapper12:33:160
13283998756,0cyclictest0-21swapper07:47:330
13283998755,0cyclictest0-21swapper08:47:530
7450860,0irq/46-4a100000439-21snmpd10:40:140
7450860,0irq/46-4a10000013078-21memory10:13:020
7450860,0irq/46-4a10000012257-21basename08:37:120
7350860,0irq/45-4a10000018640-1kworker/u3:307:22:250
13283998655,0cyclictest0-21swapper08:28:080
7450850,0irq/46-4a1000003284-21runrttasks08:09:120
7450850,0irq/46-4a10000029869-21fschecks_count09:27:430
7450850,0irq/46-4a10000026661-21/usr/sbin/munin07:43:060
7450850,0irq/46-4a10000023371-21ntp_states09:08:100
7450850,0irq/46-4a10000023315-21fw_forwarded_lo12:17:510
7450850,0irq/46-4a10000017469-21basename07:17:280
7450850,0irq/46-4a10000016403-21ls10:22:590
7450840,0irq/46-4a100000439-21snmpd10:50:180
7450840,0irq/46-4a10000029797-21expr11:02:360
7450840,0irq/46-4a10000027740-21cron10:57:110
13283998461,0cyclictest0-21swapper10:08:130
7450830,0irq/46-4a1000004465-21ntpdc08:13:050
7450830,0irq/46-4a100000439-21snmpd11:30:350
13283998350,0cyclictest0-21swapper12:02:540
7450820,0irq/46-4a10000011698-21tr11:43:120
7450800,0irq/46-4a10000014514-21grep08:42:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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