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2025-11-15 - 20:14
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Sat Nov 15, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140170ksoftirqd/020145-21kworker/0:106:56:470
14991310watchdog/024269-21timerandwakeup12:18:560
14991270watchdog/013074-21unixbench_singl11:43:360
14991260watchdog/06496-21latency_hist07:53:120
14991240watchdog/032739-21latency_hist07:33:120
14991240watchdog/023823-21strings07:03:430
14991240watchdog/020794-21unixbench_singl08:38:360
14991240watchdog/014908-21aten2.4_r3power11:48:480
14991230watchdog/09509-21latency_hist11:33:120
14991230watchdog/031890-21aten2.4_r3power10:58:480
14991210watchdog/015107-21cstates10:03:560
14991200watchdog/03666-21aten2.4_r3power07:43:320
14991180watchdog/021694-21chrt12:11:480
14991180watchdog/011119-21latency_hist09:53:120
14991170watchdog/01827-21latency_hist07:38:120
14991150watchdog/07203-21munin-node11:23:520
14991150watchdog/029918-21aten2.4_r3power07:23:400
14991150watchdog/022497-21nfs_client10:28:440
14991140watchdog/02996-21runrttasks09:28:280
2435501090irq/11-eth015761-21latency_hist08:23:120
2435501070irq/11-eth030051-21rt-features09:08:370
2435501060irq/11-eth02996-21runrttasks09:59:230
22561210412sleep022598-21munin-node08:43:470
2435501000irq/11-eth029265-21runrttasks10:50:370
243550990irq/11-eth02996-21runrttasks10:46:490
243550970irq/11-eth020193-21seq10:22:160
83850960irq/14-ide017708-21unixbench_singl08:28:360
83850950irq/14-ide02041-21df11:08:290
243550900irq/11-eth05238-21sh11:18:360
243550900irq/11-eth031238-21sendmail_mailtr07:28:230
83850890irq/14-ide023643-21df10:33:300
1499890watchdog/021265-21latency_hist06:58:110
1499870watchdog/08872-21sendmail_mailqu09:43:560
1499860watchdog/019317-21aten2.4_r3power08:33:400
1499840watchdog/032087-21cstates09:13:560
1499840watchdog/017508-21cut11:58:320
21449988313cyclictest9509-21latency_hist11:33:110
21449988311cyclictest10166-21nfs_client08:03:430
83850820irq/14-ide015672-21cron08:23:110
21449988214cyclictest8071-21munin-node07:58:550
1499820watchdog/02186-21awk09:23:360
21449988113cyclictest30146-21aten2.4-expect10:53:380
21449988112cyclictest19726-21cstates12:03:560
2873228012sleep028765-21if_err_eth009:03:490
21449988012cyclictest2996-21runrttasks08:57:390
21449988012cyclictest25180-21df10:38:310
21449988012cyclictest23527-21munin-node08:48:360
1499800watchdog/05719-21interrupts07:48:520
21449987912cyclictest3921-21nfs_client11:13:420
21449987912cyclictest25479-21runrttasks07:08:500
21449987912cyclictest1212-21aten2.4-expect11:03:570
1499790watchdog/08000-21cat09:43:120
21449987812cyclictest28597-21aten2.4_r3power07:18:510
21449987812cyclictest27110-21nfs_client08:58:410
21449987812cyclictest25071-21munin-node12:23:500
21449987812cyclictest15810-21munin-node10:08:400
21449987812cyclictest12869-21df08:13:290
21449987811cyclictest2996-21runrttasks09:18:560
1499780watchdog/05633-21aten2.4_r3power09:33:480
21449987713cyclictest12059-21aten2.4_r3power11:38:590
21449987712cyclictest2996-21runrttasks11:53:200
21449987712cyclictest22159-21df12:13:300
21449987712cyclictest17645-21df_inode10:13:360
21449987712cyclictest11181-21munin-node08:08:380
21449987613cyclictest9725-21munin-node09:48:270
21449987611cyclictest21198-21latency10:23:550
21449987512cyclictest26630-21df_inode07:13:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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