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2025-12-08 - 02:27
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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 Mon Dec 08, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502250,0irq/45-4a10000026893-21kworker/0:019:02:580
7450950,0irq/46-4a10000022235-21mailstats23:23:410
7450940,0irq/46-4a100000793-1kworker/u3:122:27:030
7450930,0irq/46-4a1000007795-21seq00:17:520
7450930,0irq/46-4a10000023624-21interrupts23:28:230
7450930,0irq/46-4a10000014955-21meminfo19:53:390
7450920,0irq/46-4a1000008160-21/usr/sbin/munin21:08:420
7450920,0irq/46-4a1000005292-21users20:59:010
7450920,0irq/46-4a100000443-21snmpd20:52:580
7450920,0irq/46-4a10000029801-21runrttasks20:37:590
7450920,0irq/46-4a10000028605-21seq20:33:300
7450920,0irq/46-4a10000025841-21chrt20:24:440
7450920,0irq/46-4a10000021058-21sshd21:47:150
7450920,0irq/46-4a10000017296-21chrt23:08:440
7450920,0irq/46-4a10000015018-21/usr/sbin/munin21:29:150
7450910,0irq/46-4a1000007127-21users00:13:460
7450910,0irq/46-4a1000004835-21memory22:33:290
7450910,0irq/46-4a100000443-21snmpd22:03:550
7450910,0irq/46-4a100000443-21snmpd20:47:530
7450910,0irq/46-4a1000003345-21sshd00:03:340
7450910,0irq/46-4a10000019783-21aten_r4power_vo23:17:580
7450910,0irq/46-4a10000018415-21/usr/sbin/munin21:39:020
7450910,0irq/46-4a10000017513-1kworker/u3:020:06:540
7450910,0irq/46-4a10000017072-21swap21:33:580
7450910,0irq/46-4a10000016408-21grep19:58:180
7450910,0irq/46-4a10000014183-21munin-run19:52:430
7450910,0irq/46-4a10000013102-21/usr/sbin/munin00:33:010
7450910,0irq/46-4a10000010432-21uptime22:48:440
7450910,0irq/46-4a10000010314-21seq00:23:390
7450910,0irq/46-4a10000010240-21sensors21:13:590
7450900,0irq/46-4a1000005943-21/usr/sbin/munin22:38:300
7450900,0irq/46-4a100000443-21snmpd21:58:510
7450900,0irq/46-4a100000443-21snmpd21:53:480
7450900,0irq/46-4a1000004424-21diskstats19:23:370
7450900,0irq/46-4a10000032345-21cron19:12:420
7450900,0irq/46-4a10000030764-21threads22:13:430
7450900,0irq/46-4a10000029323-21vmstat23:43:480
7450900,0irq/46-4a10000028404-21df_inode22:08:060
7450900,0irq/46-4a10000026962-21load20:28:350
7450900,0irq/46-4a10000025290-21cut23:33:380
7450900,0irq/46-4a1000002502-21/usr/sbin/munin22:28:220
7450900,0irq/46-4a10000023659-21ntp_states20:18:460
7450900,0irq/46-4a10000021811-21meminfo20:13:350
7450900,0irq/46-4a10000021576-21df_inode21:48:140
7450900,0irq/46-4a10000015217-21ntp_kernel_pll_23:03:380
7450900,0irq/46-4a10000013111-21/usr/sbin/munin21:23:240
7450900,0irq/46-4a10000011905-21ntpq00:28:330
7450900,0irq/46-4a10000011399-21chrt22:53:110
7450900,0irq/46-4a1000001043-21fschecks_count19:13:440
7450890,0irq/46-4a1000009477-21df_abs19:38:090
7450890,0irq/46-4a1000008578-21switchtime22:43:420
7450890,0irq/46-4a1000004640-21df_inode00:08:050
7450890,0irq/46-4a10000032653-21timerwakeupswit23:53:460
7450890,0irq/46-4a10000032439-21mailstats22:18:400
7450890,0irq/46-4a10000031828-21runrttasks20:43:130
7450890,0irq/46-4a10000030778-21/usr/sbin/munin23:48:390
7450890,0irq/46-4a1000002321-21latency_hist19:17:470
7450890,0irq/46-4a10000019485-21seq20:07:580
7450890,0irq/46-4a10000012866-21wget22:57:570
7450890,0irq/46-4a10000011456-21irqstats19:43:300
7450890,0irq/46-4a10000011361-21df_abs21:18:140
7450880,0irq/46-4a100000880-21chrt23:57:440
7450880,0irq/46-4a1000007784-21df_inode19:33:130
7450880,0irq/46-4a1000005853-21latency_hist21:02:460
7450880,0irq/46-4a1000005750-21/usr/sbin/munin19:28:100
7450880,0irq/46-4a10000027522-21timerwakeupswit23:38:460
7450880,0irq/46-4a10000018647-21ntp_states23:13:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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