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2026-04-07 - 17:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack3slot7.osadl.org (updated Tue Apr 07, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/022520-21kworker/0:006:57:420
14991410watchdog/021266-21latency_hist09:42:260
14991310watchdog/032141-21munin-node12:03:020
14991290watchdog/022051-21aten2.4_r3power11:28:020
14991270watchdog/018278-21latency_hist07:47:260
14991230watchdog/03019-21runrttasks10:00:140
14991230watchdog/012462-21nfs_client07:27:540
14991220watchdog/031129-21expr10:12:540
14991210watchdog/03019-21runrttasks11:56:060
14991200watchdog/07755-21nfs_client07:12:540
14991200watchdog/07720-21aten2.4_r3power08:57:420
14991200watchdog/022058-21munin-node09:43:020
14991190watchdog/025023-21needreboot11:37:580
14991190watchdog/023347-21munin-node09:47:500
14991190watchdog/018857-21needreboot11:17:580
14991180watchdog/04964-21latency07:03:060
14991180watchdog/015187-21latency_hist07:37:260
14991180watchdog/013513-21seq11:02:180
14991180watchdog/012048-21latency_hist10:57:260
14991180watchdog/011317-21munin-node09:08:060
2460501140irq/11-eth030604-21munin-node11:58:070
15297210811sleep015298-21df11:07:430
2460501040irq/11-eth06305-21unixbench_singl10:37:500
2460501010irq/11-eth025980-21munin-node11:42:360
2460501000irq/11-eth017646-21seq11:13:090
82350950irq/14-ide09164-21df09:02:420
1499940watchdog/05899-21munin-node12:22:580
1499930watchdog/06657-21munin-node08:53:020
1499930watchdog/026612-21needreboot08:12:580
82350920irq/14-ide029279-21df08:22:410
1499920watchdog/04528-21sed10:32:420
1499920watchdog/02476-21chrt08:40:220
1499910watchdog/032759-21cut08:32:540
1499900watchdog/03195-21rt-features10:27:500
1499890watchdog/03019-21runrttasks07:59:140
82350880irq/14-ide024346-21latency_hist09:52:280
246050880irq/11-eth031466-21sendmail_mailqu08:28:070
1499850watchdog/010791-21unixbench_singl07:22:500
1499840watchdog/04746-21unixbench_singl12:17:500
1499840watchdog/012552-21sh09:12:500
1499830watchdog/05043-21seq08:47:580
1499830watchdog/01771-21nfs_client10:22:540
3948988213cyclictest9469-21aten2.4_r3power10:47:530
3948988212cyclictest8497-21sshd10:44:050
246050820irq/11-eth015912-21aten2.4_r3power09:23:020
3948988113cyclictest27704-21awk10:02:420
3948988113cyclictest18854-21nfs_client09:32:550
1499810watchdog/010295-21cat07:22:260
82350800irq/14-ide013799-21df09:17:420
3948988013cyclictest13667-21mailstats11:02:350
3948987913cyclictest8077-21aten2.4_r3power12:28:000
3948987913cyclictest15689-21aten2.4_r3power07:37:520
3948987912cyclictest3329-21aten2.4_r3power08:42:520
3948987912cyclictest1413-21munin-node12:07:450
1499790watchdog/028181-21munin-node08:17:580
3948987812cyclictest20576-21aten2.4_r3power07:53:030
1499780watchdog/017400-21munin-node07:42:580
3948987713cyclictest29548-21aten2.4-expect10:07:520
3948987713cyclictest17217-21runrttasks09:27:530
3948987712cyclictest25987-21latency_hist08:12:260
246050770irq/11-eth0469-21timerandwakeup10:18:040
246050770irq/11-eth027552-21munin-node11:47:370
3948987613cyclictest23177-21aten2.4_r3power08:02:440
3948987613cyclictest22909-21munin-node11:33:090
3948987612cyclictest20137-21df_inode11:22:480
3948987512cyclictest3302-21nfs_client12:12:550
3948987412cyclictest5894-21df07:07:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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