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2025-11-30 - 04:24
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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 Sun Nov 30, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502950,0irq/46-4a10000012-21ksoftirqd/019:06:380
73501050,0irq/45-4a10000028609-21kworker/u2:300:09:300
7450960,0irq/46-4a1000004049-21seq22:23:480
7450960,0irq/46-4a10000013811-21expr21:18:230
7450950,0irq/46-4a1000003940-21fschecks_time23:58:340
742999574,0cyclictest0-21swapper20:13:180
7450940,0irq/46-4a1000005132-21df_abs19:18:230
7450940,0irq/46-4a100000443-21snmpd00:33:360
7450940,0irq/46-4a10000011477-21users00:19:070
69572940,0sleep04870-1kworker/u3:022:33:200
7450930,0irq/46-4a1000009139-21fw_forwarded_lo00:13:430
7450930,0irq/46-4a1000009128-21/usr/sbin/munin19:28:580
7450930,0irq/46-4a1000007391-21nfs4_client20:58:540
7450930,0irq/46-4a1000003819-21fw_forwarded_lo20:49:070
7450930,0irq/46-4a10000031674-21/usr/sbin/munin23:43:590
7450930,0irq/46-4a10000029344-21diskstats22:03:290
7450930,0irq/46-4a10000026549-21mailstats23:28:560
7450930,0irq/46-4a10000022484-21diskstats21:43:280
7450930,0irq/46-4a1000001800-21/usr/sbin/munin23:53:080
7450930,0irq/46-4a10000015980-21/usr/sbin/munin21:23:510
7450930,0irq/46-4a10000012547-21fschecks_time00:23:370
7450920,0irq/46-4a1000008986-21grep22:38:320
7450920,0irq/46-4a1000008902-21runrttasks21:03:360
7450920,0irq/46-4a1000005328-21sed20:53:390
7450920,0irq/46-4a10000031798-21seq22:09:040
7450920,0irq/46-4a10000026028-21grep21:53:330
7450920,0irq/46-4a10000024626-21memory23:23:490
7450920,0irq/46-4a10000022692-21sort23:18:330
7450920,0irq/46-4a10000022534-21if_eth020:08:410
7450920,0irq/46-4a1000002038-21sshd22:18:280
7450920,0irq/46-4a10000019154-21df_inode23:08:260
7450920,0irq/46-4a10000019080-21fw_conntrack19:58:390
7450920,0irq/46-4a10000018166-21runrttasks19:55:410
7450920,0irq/46-4a10000015745-21/usr/sbin/munin22:58:280
7450920,0irq/46-4a10000013571-21munin-plugin-st22:52:590
7450920,0irq/46-4a10000010241-21wget21:08:190
320532920,0chrt31685-1kworker/u3:220:37:030
7450910,0irq/46-4a100000866-21runrttasks19:08:120
7450910,0irq/46-4a100000713-21memory23:48:510
7450910,0irq/46-4a1000006930-21diskstats19:23:270
7450910,0irq/46-4a1000005720-21fw_conntrack00:03:360
7450910,0irq/46-4a1000005152-21hostname22:28:140
7450910,0irq/46-4a10000029104-21cstates20:28:210
7450910,0irq/46-4a10000028649-21runrttasks23:35:230
7450910,0irq/46-4a10000024943-21users21:49:050
7450910,0irq/46-4a10000021579-1kworker/u3:121:39:250
7450910,0irq/46-4a1000002059-21/usr/sbin/munin20:43:370
7450910,0irq/46-4a10000019939-21seq21:35:080
7450910,0irq/46-4a10000017240-21/usr/sbin/munin23:03:170
7450910,0irq/46-4a10000013464-21/usr/sbin/munin19:43:520
7450910,0irq/46-4a10000012621-1kworker/u3:019:48:170
7450910,0irq/46-4a10000012325-21fw_forwarded_lo21:13:370
7450910,0irq/46-4a10000012004-21sed19:38:240
7450910,0irq/46-4a10000011193-21chrt19:34:440
7450900,0irq/46-4a100000340-21grep22:13:340
7450900,0irq/46-4a10000032643-21sshd20:38:270
7450900,0irq/46-4a1000003241-21aten_r4power_cu19:13:360
7450900,0irq/46-4a10000027723-21fschecks_time21:58:360
7450900,0irq/46-4a10000027721-21interrupts20:23:400
7450900,0irq/46-4a10000025869-21seq20:18:330
7450900,0irq/46-4a10000021034-21fw_packets23:13:390
7450900,0irq/46-4a10000018484-1kworker/u3:221:32:520
7450900,0irq/46-4a10000014500-21ntp_kernel_pll_00:29:000
7450900,0irq/46-4a10000014026-21diskstats22:53:320
7450890,0irq/46-4a10000029696-21grep23:38:490
7450890,0irq/46-4a10000021195-21which20:04:000
7450880,0irq/46-4a10000010638-21sort22:43:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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