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2026-06-06 - 23:18
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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 Jun 06, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502120,0irq/45-4a1000006068-21kworker/0:418:58:390
7450950,0irq/46-4a1000009554-21runrttasks23:48:510
7450950,0irq/46-4a1000007977-21cut22:08:590
7450950,0irq/46-4a1000007569-21/usr/sbin/munin20:33:520
7450950,0irq/46-4a10000028667-21meminfo21:34:100
7450940,0irq/46-4a10000026583-21runrttasks19:53:470
7450940,0irq/46-4a10000015066-21ntpq22:29:170
7450940,0irq/46-4a10000013510-21which22:24:220
7450940,0irq/46-4a10000011470-21if_eth023:54:020
7450930,0irq/46-4a1000006296-21seq23:39:010
7450930,0irq/46-4a1000004654-21interrupts20:24:030
7450930,0irq/46-4a10000032190-21ntp_offset23:19:280
7450930,0irq/46-4a10000022432-21sendmail-mta21:15:260
7450930,0irq/46-4a10000019587-21wget19:33:380
7450930,0irq/46-4a10000015697-1kworker/u3:100:07:080
7450930,0irq/46-4a10000013608-21sshd20:49:260
7450920,0irq/46-4a1000008133-21meminfo23:44:070
7450920,0irq/46-4a1000003110-21ntpdc20:19:160
7450920,0irq/46-4a10000024010-21users19:44:300
7450920,0irq/46-4a10000022773-21cron00:28:270
7450920,0irq/46-4a10000021513-21df_inode22:48:490
7450920,0irq/46-4a10000019369-21cron22:43:270
7450920,0irq/46-4a10000017796-21latency_hist19:28:330
7450920,0irq/46-4a10000016189-21wget20:58:400
7450920,0irq/46-4a10000013180-21/usr/sbin/munin23:59:030
7450920,0irq/46-4a10000010915-21ls20:43:310
261072920,0sleep024975-1kworker/u3:121:27:410
7450910,0irq/46-4a1000009785-21cpu19:03:420
7450910,0irq/46-4a1000006207-21fschecks_count20:28:550
7450910,0irq/46-4a1000006043-21df22:03:440
7450910,0irq/46-4a1000004865-21/usr/sbin/munin21:59:190
7450910,0irq/46-4a1000004309-21cstates23:33:420
7450910,0irq/46-4a1000003495-21users23:29:360
7450910,0irq/46-4a10000031528-21wget20:08:390
7450910,0irq/46-4a10000030466-21ntp_offset23:14:210
7450910,0irq/46-4a10000030243-21idleruntime21:39:040
7450910,0irq/46-4a10000028674-21chrt19:59:090
7450910,0irq/46-4a1000002697-21df_abs21:53:470
7450910,0irq/46-4a10000026899-21kernelversion21:29:170
7450910,0irq/46-4a10000023128-21df00:28:440
7450910,0irq/46-4a10000019689-21cstates21:08:430
7450910,0irq/46-4a10000018114-21runrttasks00:13:480
7450910,0irq/46-4a10000016795-21ntp_kernel_pll_19:24:180
7450910,0irq/46-4a10000016789-21ntp_kernel_pll_22:34:170
7450910,0irq/46-4a1000001608-21which20:14:240
7450910,0irq/46-4a10000015778-21chrt20:56:560
7450910,0irq/46-4a10000012904-21expr19:13:430
7450910,0irq/46-4a10000011472-21munin-node19:08:390
7450910,0irq/46-4a10000011407-21sshd20:43:560
19962910,0sleep032025-1kworker/u3:123:26:090
124732910,0sleep08783-1kworker/u3:022:22:540
7450900,0irq/46-4a1000009789-21if_eth022:14:050
7450900,0irq/46-4a10000032078-21seq21:44:120
7450900,0irq/46-4a10000030117-21tune2fs20:03:540
7450900,0irq/46-4a10000028430-21grep23:08:590
7450900,0irq/46-4a10000026803-21fw_forwarded_lo23:04:040
7450900,0irq/46-4a10000025014-21fschecks_count22:58:570
7450900,0irq/46-4a10000021889-21sed19:39:160
7450900,0irq/46-4a10000020129-21/usr/sbin/munin00:19:120
7450900,0irq/46-4a10000019376-1kworker/u3:222:55:220
7450900,0irq/46-4a10000016337-21df_abs00:08:490
7450900,0irq/46-4a10000014451-21cut19:18:390
7450900,0irq/46-4a1000001063-21tune2fs21:48:540
7450890,0irq/46-4a10000024822-21ls19:48:430
7450890,0irq/46-4a10000023054-21wget21:18:420
7450890,0irq/46-4a10000020112-21meminfo22:44:110
7450890,0irq/46-4a10000018336-21runrttasks21:04:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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