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2026-04-20 - 18:15
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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 Mon Apr 20, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11297212510,0chrt6055-1kworker/u3:007:04:060
7450960,0irq/46-4a10000012519-21diskstats08:40:410
11494999674,0cyclictest0-21swapper11:46:130
7450950,0irq/46-4a10000032641-21/usr/sbin/munin09:41:080
7450950,0irq/46-4a1000003233-21sshd11:23:300
7450940,0irq/46-4a1000006217-21cat09:56:140
11494999472,0cyclictest0-21swapper10:10:500
7450930,0irq/46-4a1000008751-21sshd11:40:300
7450930,0irq/46-4a1000007879-21/usr/sbin/munin08:26:110
7450930,0irq/46-4a1000005143-21cron11:30:180
7450930,0irq/46-4a10000027192-21chrt07:48:230
7450930,0irq/46-4a10000026401-21chrt12:31:010
7450930,0irq/46-4a10000025746-21/usr/sbin/munin07:45:200
7450930,0irq/46-4a10000025166-21ls09:16:290
7450930,0irq/46-4a10000020363-21chrt12:13:580
7450930,0irq/46-4a10000019006-21sshd10:35:300
7450930,0irq/46-4a10000016141-21irqstats08:50:570
7450930,0irq/46-4a10000014660-21rt-features10:21:130
7450930,0irq/46-4a10000011503-21timerwakeupswit08:36:180
7450920,0irq/46-4a1000009293-21interrupts08:30:560
7450920,0irq/46-4a1000005461-21tr08:20:310
7450920,0irq/46-4a1000003869-21df_abs09:50:390
7450920,0irq/46-4a10000031869-21awk08:01:170
7450920,0irq/46-4a10000031403-21/usr/sbin/munin09:35:580
7450920,0irq/46-4a10000031363-21fw_conntrack11:10:490
7450920,0irq/46-4a10000026135-21grep10:55:420
7450920,0irq/46-4a10000025717-21ls12:30:210
7450920,0irq/46-4a10000025640-21cron10:55:180
7450920,0irq/46-4a1000002551-21memory08:11:030
7450920,0irq/46-4a10000023337-21/usr/sbin/munin09:11:150
7450920,0irq/46-4a10000016072-21irqstats12:00:530
7450920,0irq/46-4a10000011608-21/usr/sbin/munin07:05:530
7450910,0irq/46-4a1000008363-21chrt10:03:370
7450910,0irq/46-4a1000006871-21munin-run11:35:210
7450910,0irq/46-4a100000460-21snmpd10:32:360
7450910,0irq/46-4a1000002480-21memory09:46:040
7450910,0irq/46-4a10000023068-21runrttasks07:36:020
7450910,0irq/46-4a10000022949-21latency12:20:590
7450910,0irq/46-4a10000021416-21ntp_kernel_pll_07:31:060
7450910,0irq/46-4a10000021240-21/usr/sbin/munin12:15:560
7450910,0irq/46-4a10000021188-21fw_conntrack09:05:510
7450910,0irq/46-4a10000018822-21cron12:10:190
7450910,0irq/46-4a1000001738-21runrttasks08:09:530
7450910,0irq/46-4a10000012264-21egrep10:15:330
7450900,0irq/46-4a1000009307-21/usr/sbin/munin10:06:010
7450900,0irq/46-4a100000300852sleep009:31:160
7450900,0irq/46-4a10000029512-21df_inode11:05:410
7450900,0irq/46-4a10000027586-21sshd07:50:300
7450900,0irq/46-4a10000022721-21fschecks_count10:45:460
7450900,0irq/46-4a10000019394-21grep09:00:460
7450900,0irq/46-4a10000018777-21seq08:59:210
7450900,0irq/46-4a10000017740-21fschecks_time07:20:460
7450900,0irq/46-4a10000016500-21mailstats07:16:140
7450900,0irq/46-4a10000015711-21/usr/sbin/munin10:25:320
7450900,0irq/46-4a10000015377-21chrt08:49:340
7450900,0irq/46-4a10000014178-21/usr/sbin/munin11:55:460
7450900,0irq/46-4a10000012944-21/usr/sbin/munin11:51:130
11494999059,0cyclictest0-21swapper07:25:320
7450890,0irq/46-4a1000007622-21memory11:36:030
7450890,0irq/46-4a1000004789-21chrt08:16:360
7450890,0irq/46-4a100000456-21df_abs11:15:390
7450890,0irq/46-4a10000030363-21users07:56:210
7450890,0irq/46-4a10000027958-21fschecks_time09:25:560
7450890,0irq/46-4a10000027539-21wget11:00:300
7450890,0irq/46-4a10000021275-21meminfo10:40:580
267032890,0chrt3038-1kworker/u3:109:21:270
7450880,0irq/46-4a10000013381-21latency_hist07:10:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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