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2026-07-04 - 18:13
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Sat Jul 04, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22904220351,120sleep00-21swapper/019:05:050
11121212216,12sleep0754-21systemd-journal00:31:310
17739211514,12sleep017748-21irqstats20:50:290
7863211019,11sleep0101ktimersoftd/022:20:110
2936121094,11sleep029362-21memory21:35:320
2804621098,12sleep028048-21fw_forwarded_lo21:30:250
29372210813,11sleep029375-21df_inode19:30:190
3165621065,12sleep030465-21apt-get23:46:350
2588121055,14sleep025920-21/usr/sbin/munin21:20:460
1273221055,11sleep012712-21munin-run22:40:030
2567921045,12sleep025705-21/usr/sbin/munin19:15:290
948821016,12sleep09486-21ntp_states22:25:380
1895221007,13sleep018954-21irqstats23:00:550
24106999956,23cyclictest0-21swapper/023:26:290
24106999852,31cyclictest3650irq/20-4900000021:02:090
107572985,12sleep010789-21ps22:30:410
24106999738,42cyclictest0-21swapper/019:59:150
60942965,13sleep06096-21fw_forwarded_lo20:05:250
24106999654,28cyclictest101ktimersoftd/020:55:280
171302955,12sleep017142-21df22:55:160
152152955,12sleep013963-21apt-get22:46:550
211592930,7sleep021158-21cut23:10:150
12002925,13sleep01203-21df_inode23:55:190
69842914,7sleep00-21swapper/000:18:180
24106999148,28cyclictest8788-21wc20:15:410
237772915,11sleep023789-21df23:20:220
24106998928,21cyclictest2529-21chrt00:00:220
31382876,65sleep0101ktimersoftd/022:00:290
24106998745,28cyclictest3650irq/20-4900000021:45:330
24106998745,27cyclictest101ktimersoftd/023:32:110
24106998743,30cyclictest3650irq/20-4900000023:42:120
24106998742,14cyclictest32060-21seq19:40:370
24106998638,14cyclictest10250irq/56-4a10000023:38:150
24106998537,16cyclictest10250irq/56-4a10000021:07:060
78862844,7sleep00-21swapper/020:12:140
24106998446,23cyclictest101ktimersoftd/020:35:450
24106998445,27cyclictest0-21swapper/022:40:300
2410699837,39cyclictest23083-21apt-get23:17:060
24106998346,18cyclictest754-21systemd-journal21:44:470
2410699828,36cyclictest9204-21diskstats00:25:390
24106998249,15cyclictest11193-21/usr/sbin/munin20:25:340
24106998243,25cyclictest101ktimersoftd/020:40:430
24106998231,33cyclictest32255-21cut23:50:140
24106998143,25cyclictest3650irq/20-4900000000:20:250
24106998121,15cyclictest7727-21latency_hist22:20:050
24106998119,48cyclictest3650irq/20-4900000020:30:160
2410699809,21cyclictest9923-21memory20:20:320
24106998040,25cyclictest0-21swapper/019:49:130
24106998038,28cyclictest3650irq/20-4900000022:50:150
24106998033,15cyclictest10250irq/56-4a10000000:09:050
306022794,7sleep00-21swapper/019:35:160
24106997935,14cyclictest10250irq/56-4a10000019:11:450
24106997859,11cyclictest101ktimersoftd/021:50:260
24106997847,13cyclictest10150irq/55-4a10000019:55:000
24106997837,25cyclictest3650irq/20-4900000021:30:040
24106997831,31cyclictest1-21systemd22:08:490
2410699779,17cyclictest24490-21runrttasks21:15:430
24106997758,11cyclictest101ktimersoftd/020:45:400
24106997749,13cyclictest10150irq/55-4a10000022:00:010
24106997746,15cyclictest10150irq/55-4a10000019:25:460
24106997734,29cyclictest12603-21seq00:36:460
24106997728,32cyclictest23431-21/usr/sbin/munin21:10:500
24106997645,14cyclictest10150irq/55-4a10000023:05:170
24106997640,23cyclictest3650irq/20-4900000000:10:350
24106997456,11cyclictest101ktimersoftd/020:00:180
24106997444,13cyclictest10150irq/55-4a10000019:25:020
24106997349,16cyclictest5723-21awk22:10:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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