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2025-11-08 - 14:33
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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 Sat Nov 08, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502630,0irq/46-4a10000025319-1kworker/u3:207:04:240
7350980,0irq/45-4a10000025610-1kworker/u3:211:49:030
7450960,0irq/46-4a100000776-21memory12:09:390
7450960,0irq/46-4a10000011809-21/usr/sbin/munin07:59:440
7450950,0irq/46-4a1000009352-21meminfo12:34:360
7450950,0irq/46-4a1000007267-21fw_forwarded_lo09:19:260
7450950,0irq/46-4a1000006074-21/usr/sbin/munin10:49:550
7450950,0irq/46-4a10000032523-21runrttasks10:34:020
7450950,0irq/46-4a1000001826-21wget10:39:060
7450940,0irq/46-4a10000031688-21timerwakeupswit08:54:540
7450940,0irq/46-4a10000031649-21users07:19:530
7450940,0irq/46-4a10000031253-21fschecks_time10:29:260
7450940,0irq/46-4a10000028082-21kernelversion07:09:340
7450940,0irq/46-4a1000002771-21sshd07:31:140
7450940,0irq/46-4a1000002601-21/usr/sbin/munin12:14:430
7450940,0irq/46-4a10000022032-21seq11:37:410
7450940,0irq/46-4a10000018534-21latency_hist08:18:540
7450940,0irq/46-4a10000011661-21sh07:58:490
7450940,0irq/46-4a10000011010-21ntp_kernel_pll_11:04:420
7450930,0irq/46-4a1000008699-21diskstats07:49:210
7450930,0irq/46-4a1000007343-21seq10:54:390
7450930,0irq/46-4a1000006054-21ls09:14:550
7450930,0irq/46-4a1000005422-21aten_r4power_vo12:24:090
7450930,0irq/46-4a1000004222-21meminfo12:19:360
7450930,0irq/46-4a10000026603-21/usr/sbin/munin10:15:070
7450930,0irq/46-4a10000025929-21df_inode08:39:530
7450930,0irq/46-4a10000023468-21sshd11:40:140
7450930,0irq/46-4a10000023169-21/usr/sbin/munin10:04:500
7450930,0irq/46-4a1000002260-21irqstats09:05:040
7450930,0irq/46-4a10000019139-21grep09:54:200
7450930,0irq/46-4a10000015001-21sshd11:16:140
7350930,0irq/45-4a1000008941-21grep09:24:220
27399999360,0cyclictest0-21swapper10:19:220
240842930,0sleep023777-1kworker/u3:110:09:150
7450920,0irq/46-4a1000009346-21open_files10:59:460
7450920,0irq/46-4a1000004212-21runrttasks10:45:330
7450920,0irq/46-4a10000030243-21runrttasks08:51:260
7450920,0irq/46-4a10000029629-21runrttasks10:24:570
7450920,0irq/46-4a10000028901-21chrt11:57:440
7450920,0irq/46-4a10000027827-21/usr/sbin/munin08:44:400
7450920,0irq/46-4a10000020988-21seq09:59:260
7450920,0irq/46-4a10000020623-21sshd08:24:140
7450920,0irq/46-4a10000017111-21cat11:23:520
7450920,0irq/46-4a10000014560-21grep08:04:530
7450920,0irq/46-4a10000013888-21chrt09:39:130
7450920,0irq/46-4a10000013218-21runrttasks09:36:310
7450920,0irq/46-4a10000011113-21/usr/sbin/munin09:29:490
5082920,0chrt31860-1kworker/u3:207:25:140
27399999260,0cyclictest0-21swapper11:09:380
7450910,0irq/46-4a1000006665-21/usr/sbin/munin07:44:230
7450910,0irq/46-4a1000006487-21runrttasks07:43:360
7450910,0irq/46-4a1000003769-21runrttasks07:34:310
7450910,0irq/46-4a1000003585-21seq09:09:160
7450910,0irq/46-4a10000031986-21users12:04:540
7450910,0irq/46-4a10000029511-21/usr/sbin/munin11:59:150
7450910,0irq/46-4a10000024245-21perl08:34:230
7450910,0irq/46-4a10000022304-21cstates08:29:110
7450910,0irq/46-4a10000016958-21runrttasks08:14:040
7450910,0irq/46-4a10000015681-21df_inode09:44:150
7450910,0irq/46-4a1000001548-21runrttasks09:03:510
27399999158,0cyclictest0-21swapper11:29:390
7450900,0irq/46-4a1000007443-21cut12:29:220
7450900,0irq/46-4a10000024052-21dpkg11:43:590
7450900,0irq/46-4a10000017391-21wc11:24:130
7450900,0irq/46-4a10000017091-21runrttasks09:49:030
7450900,0irq/46-4a10000016316-21/usr/sbin/munin08:09:570
7450890,0irq/46-4a10000029354-21munin-node07:13:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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