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2025-06-16 - 20:15
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 100 highest latencies:
System rack1slot2.osadl.org (updated Mon Jun 16, 2025 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2431925545,0sleep30-21swapper/306:28:523
2418525041,0sleep10-21swapper/106:27:181
2432124241,0sleep00-21swapper/006:28:530
2431324129,0sleep20-21swapper/206:28:472
329980,0watchdog/30-21swapper/309:14:493
329970,0watchdog/35112-21kthreadcore10:09:533
329970,0watchdog/310256-21missed_timers07:49:533
329970,0watchdog/30-21swapper/311:02:173
329970,0watchdog/30-21swapper/309:34:533
329970,0watchdog/30-21swapper/308:29:493
29925070,0irq/32-eth0-rx-30356-21grep09:24:533
29925070,0irq/32-eth0-rx-0-21swapper/309:07:453
29925070,0irq/32-eth0-rx-0-21swapper/308:44:533
329960,0watchdog/31100-21pmu-power10:04:573
329960,0watchdog/30-21swapper/311:49:573
329960,0watchdog/30-21swapper/311:45:453
329960,0watchdog/30-21swapper/311:21:093
329960,0watchdog/30-21swapper/311:16:213
329960,0watchdog/30-21swapper/311:12:533
329960,0watchdog/30-21swapper/311:05:013
329960,0watchdog/30-21swapper/310:57:533
329960,0watchdog/30-21swapper/310:50:093
329960,0watchdog/30-21swapper/310:38:373
329960,0watchdog/30-21swapper/310:27:253
329960,0watchdog/30-21swapper/310:14:573
329960,0watchdog/30-21swapper/310:01:013
329960,0watchdog/30-21swapper/309:50:013
329960,0watchdog/30-21swapper/309:47:093
329960,0watchdog/30-21swapper/309:40:373
329960,0watchdog/30-21swapper/308:56:133
329960,0watchdog/30-21swapper/308:41:133
329960,0watchdog/30-21swapper/308:35:013
329960,0watchdog/30-21swapper/308:25:133
329960,0watchdog/30-21swapper/308:14:533
329960,0watchdog/30-21swapper/307:04:453
29925060,0irq/32-eth0-rx-7889-21sed09:30:033
29925060,0irq/32-eth0-rx-31211-21sh08:49:493
29925060,0irq/32-eth0-rx-0-21swapper/311:42:103
29925060,0irq/32-eth0-rx-0-21swapper/311:35:023
29925060,0irq/32-eth0-rx-0-21swapper/311:29:383
29925060,0irq/32-eth0-rx-0-21swapper/311:26:233
244539960,0cyclictest0-21swapper/210:56:472
244529960,0cyclictest0-21swapper/106:29:531
244519966,0cyclictest29438-21diskmemload11:55:390
11107260,0sleep30-21swapper/309:54:533
339950,0migration/323646-21kthreadcore10:39:553
339950,0migration/319562-21fschecks_time07:59:493
339950,0migration/315412-21munin-node06:44:503
339950,0migration/312979-21rt-features06:39:573
339950,0migration/310738-21timerandwakeup10:30:043
329950,0watchdog/321070-21munin-node08:19:573
329950,0watchdog/30-21swapper/311:54:413
329950,0watchdog/30-21swapper/310:44:413
329950,0watchdog/30-21swapper/309:09:333
329950,0watchdog/30-21swapper/308:10:333
329950,0watchdog/30-21swapper/308:04:533
329950,0watchdog/30-21swapper/307:55:213
329950,0watchdog/30-21swapper/307:44:573
329950,0watchdog/30-21swapper/307:40:293
329950,0watchdog/30-21swapper/307:36:213
329950,0watchdog/30-21swapper/307:26:173
329950,0watchdog/30-21swapper/307:19:573
329950,0watchdog/30-21swapper/307:16:053
329950,0watchdog/30-21swapper/307:11:053
329950,0watchdog/30-21swapper/306:54:383
329950,0watchdog/30-21swapper/306:50:343
329950,0watchdog/30-21swapper/306:34:463
29935050,0irq/33-eth0-tx-9680-21munin-node09:34:512
29935050,0irq/33-eth0-tx-4344-21munin-node07:49:530
29935050,0irq/33-eth0-tx-32419-21munin-node09:09:552
29935050,0irq/33-eth0-tx-29438-21diskmemload10:07:282
29935050,0irq/33-eth0-tx-26059-21sed11:39:322
29935050,0irq/33-eth0-tx-24168-21chrt09:22:162
29935050,0irq/33-eth0-tx-13309-21memory08:54:542
29935050,0irq/33-eth0-tx-12632-21tune2fs10:14:492
29935050,0irq/33-eth0-tx-0-21swapper/210:36:362
29935050,0irq/33-eth0-tx-0-21swapper/210:31:242
29935050,0irq/33-eth0-tx-0-21swapper/209:58:032
29935050,0irq/33-eth0-tx-0-21swapper/008:29:550
29925050,0irq/32-eth0-rx-6816-21kthreadcore06:59:513
29925050,0irq/32-eth0-rx-0-21swapper/310:19:463
29925050,0irq/32-eth0-rx-0-21swapper/309:19:493
29925050,0irq/32-eth0-rx-0-21swapper/308:59:333
29925050,0irq/32-eth0-rx-0-21swapper/307:30:013
29925050,0irq/32-eth0-rx-0-21swapper/306:29:443
259950,0migration/29271-21kthreadcore07:49:522
259950,0migration/24007-21kthreadcore09:29:542
259950,0migration/230018-21runrttasks11:03:202
259950,0migration/223378-21kthreadcore06:49:512
259950,0migration/215524-21kthreadcore07:54:552
244539955,0cyclictest83150irq/26-0000:00:08:40:232
244539955,0cyclictest0-21swapper/211:09:522
244539955,0cyclictest0-21swapper/210:20:412
244539955,0cyclictest0-21swapper/210:10:542
244539955,0cyclictest0-21swapper/209:03:162
244539955,0cyclictest0-21swapper/207:14:572
244539950,0cyclictest0-21swapper/211:25:282
244539950,0cyclictest0-21swapper/210:53:282
244539950,0cyclictest0-21swapper/207:25:222
244529954,0cyclictest13015-21iostat_ios10:14:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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