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2025-11-29 - 16:50
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Sat Nov 29, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012030,0irq/46-4a1000009531-1kworker/u3:107:03:080
12013999557,0cyclictest0-21swapper07:23:280
12013999351,0cyclictest0-21swapper11:59:030
12013999274,0cyclictest17348-21users08:54:060
12013999156,0cyclictest0-21swapper07:35:100
12013999056,0cyclictest0-21swapper09:09:000
12013998969,0cyclictest26059-21sshd10:54:190
12013998962,0cyclictest0-21swapper10:08:100
12013998957,0cyclictest0-21swapper08:23:580
12013998868,0cyclictest28109-21ls07:53:040
12013998862,0cyclictest0-21swapper11:31:030
12013998860,0cyclictest0-21swapper08:03:240
12013998857,0cyclictest0-21swapper08:08:120
12013998768,0cyclictest12547-21fschecks_time07:08:330
12013998760,0cyclictest0-21swapper11:53:360
12013998759,0cyclictest0-21swapper07:13:480
12013998758,0cyclictest0-21swapper12:27:490
12013998758,0cyclictest0-21swapper08:28:520
12013998755,0cyclictest0-21swapper10:38:560
12013998669,0cyclictest25012-21latency_hist12:28:060
12013998558,0cyclictest0-21swapper12:04:040
12013998558,0cyclictest0-21swapper10:44:040
12013998558,0cyclictest0-21swapper07:40:160
12013998557,0cyclictest0-21swapper10:33:430
12013998557,0cyclictest0-21swapper10:18:370
12013998557,0cyclictest0-21swapper08:43:340
12013998555,0cyclictest0-21swapper07:51:120
12013998466,0cyclictest15056-21if_eth008:48:410
12013998465,0cyclictest23509-21df_abs10:48:260
12013998462,0cyclictest0-21swapper09:53:350
12013998460,0cyclictest3732-21runrttasks08:14:580
12013998460,0cyclictest1764-21ntpq11:18:540
12013998457,0cyclictest0-21swapper09:43:410
12013998456,0cyclictest0-21swapper12:13:010
12013998456,0cyclictest0-21swapper10:23:340
12013998454,0cyclictest0-21swapper11:13:400
12013998454,0cyclictest0-21swapper07:28:500
12013998451,0cyclictest0-21swapper08:18:380
12013998451,0cyclictest0-21swapper07:18:410
12013998371,0cyclictest9131-21users11:40:210
12013998363,0cyclictest7426-21runrttasks10:01:100
12013998362,0cyclictest20939-21seq09:05:190
12013998358,0cyclictest0-21swapper12:19:390
12013998355,0cyclictest0-21swapper08:00:220
12013998266,0cyclictest17843-21apt-get08:59:470
12013998265,0cyclictest28126-21runrttasks12:36:220
12013998264,0cyclictest3143-21fschecks_count11:23:360
12013998259,0cyclictest9352-21runrttasks10:07:580
12013998255,0cyclictest0-21swapper11:37:070
12013998254,0cyclictest0-21swapper11:08:380
12013998250,0cyclictest0-21swapper08:39:050
12013998162,0cyclictest22981-21apt-get09:14:240
12013998162,0cyclictest12117-21seq10:14:020
12013998160,0cyclictest26329-21runrttasks09:22:230
12013998158,0cyclictest31324-21runrttasks09:36:200
12013998155,0cyclictest0-21swapper09:23:310
12013998155,0cyclictest0-21swapper08:37:370
12013998154,0cyclictest26664-21/usr/sbin/munin10:59:250
12013998061,0cyclictest29079-21ntpq11:03:540
12013998061,0cyclictest2662-21aten_r4power_cu09:48:170
12013997955,0cyclictest10903-1kworker/u3:111:47:350
12013997952,0cyclictest0-21swapper10:28:180
12013997951,0cyclictest0-21swapper12:13:350
12013997857,0cyclictest25195-21fw_forwarded_lo07:43:370
12013997852,0cyclictest0-21swapper11:48:200
12013997851,0cyclictest0-21swapper09:38:160
12013997846,0cyclictest28260-21apt09:28:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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