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2025-12-09 - 20:03
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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 Dec 09, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/02147-21kworker/0:106:51:530
14991290watchdog/02789-21sshd08:36:070
14991250watchdog/019763-21idleruntime10:26:510
14991250watchdog/011879-21latency_hist08:16:390
14991210watchdog/021315-21unixbench_singl07:02:030
14991200watchdog/07183-21runrttasks08:01:310
14991200watchdog/030317-21runrttasks09:16:150
14991200watchdog/027711-21nfs_client07:22:110
14991200watchdog/014873-21runrttasks08:26:190
14991190watchdog/07382-21cut08:01:510
14991170watchdog/018852-21runrttasks08:37:190
14991170watchdog/014048-21nfs_client11:52:070
14991160watchdog/030494-21munin-node09:16:590
14991150watchdog/04916-21cpuspeed09:37:150
14991150watchdog/027371-21latency_hist10:51:390
14991120watchdog/027058-21chrt10:49:510
2435501040irq/11-eth06261-21nfs_client11:27:100
83850930irq/14-ide021096-21latency_hist12:16:380
243550920irq/11-eth011028-21if_err_eth011:42:130
243550910irq/11-eth030807-21df_inode11:02:040
243550900irq/11-eth014003-21nfs_client10:07:080
1930029012sleep019361-21aten2.4_r3power06:56:440
243550890irq/11-eth07438-21apt09:46:530
243550890irq/11-eth029207-21cpu07:27:030
1499890watchdog/023087-21grep07:07:110
1499880watchdog/020422-21timerandwakeup08:42:230
1499880watchdog/01380-21cpu11:12:030
1499870watchdog/099132sleep011:38:310
1499870watchdog/027238-21seq09:06:230
83850860irq/14-ide027733-21df_inode09:07:020
243550860irq/11-eth032040-21munin-node11:06:550
1499850watchdog/024850-21latency07:12:230
19165988414cyclictest1316-21munin-node09:26:560
19165988411cyclictest32340-21df_inode07:37:000
1499840watchdog/03180-21nfs_client09:32:110
19165988312cyclictest21237-21sendmail_mailtr08:46:480
1499830watchdog/016537-21latency_hist10:16:390
19165988213cyclictest9015-21df09:51:570
1499820watchdog/01050-21latency_hist07:41:390
19165988112cyclictest15050-21munin-node11:57:030
19165988111cyclictest13372-21latency_hist10:06:400
1499810watchdog/04114-21latency_hist11:21:390
19165988014cyclictest11269-21cstates09:57:240
19165988013cyclictest31984-21latency_hist09:21:390
19165988011cyclictest18599-21nfs_client12:07:070
1200428012sleep012041-21munin-node08:16:510
243550790irq/11-eth015337-21awk08:27:010
19165987912cyclictest7604-21df_inode11:32:010
19165987912cyclictest2996-21runrttasks12:05:050
19165987911cyclictest18131-21munin-node10:22:040
1499790watchdog/02996-21runrttasks11:17:270
1499790watchdog/024368-21grep08:56:510
19165987813cyclictest2789-21sshd12:17:230
19165987812cyclictest24787-21nfs_client10:42:100
19165987812cyclictest15053-21munin-node10:11:530
1499780watchdog/02996-21runrttasks08:54:310
19165987728cyclictest2996-21runrttasks10:59:550
19165987713cyclictest8877-21munin-node08:07:150
19165987713cyclictest2996-21runrttasks09:43:450
19165987713cyclictest22642-21latency_hist10:36:380
19165987712cyclictest4949-21aten2.4_r3power07:52:170
1499770watchdog/02996-21runrttasks12:21:590
1499770watchdog/026401-21latency07:17:190
274927611sleep02777-21sh07:46:540
19165987612cyclictest30547-21mailstats07:31:510
19165987612cyclictest12177-21aten2.4_r3power11:46:570
19165987611cyclictest22766-21munin-node10:37:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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