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2025-07-06 - 06:33
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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 rackcslot3.osadl.org (updated Sun Jul 06, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt5431-21memory19:05:521
81720rcu_preempt19-21ksoftirqd/123:39:101
81710rcu_preempt19-21ksoftirqd/122:51:511
81700rcu_preempt1599migration/021:45:310
81700rcu_preempt0-21swapper/021:25:520
81700rcu_preempt0-21swapper/000:00:510
81690rcu_preempt0-21swapper/022:21:360
141350690irq/31-eth0-tx-181ktimersoftd/122:43:561
81680rcu_preempt14332-21sh23:27:150
81680rcu_preempt0-21swapper/022:58:480
81680rcu_preempt0-21swapper/022:31:580
81670rcu_preempt0-21swapper/023:51:530
81670rcu_preempt0-21swapper/000:19:220
81650rcu_preempt0-21swapper/123:23:511
81650rcu_preempt0-21swapper/122:45:431
81650rcu_preempt0-21swapper/121:14:371
81650rcu_preempt0-21swapper/021:10:570
81640rcu_preempt0-21swapper/123:45:181
81640rcu_preempt0-21swapper/123:33:011
81640rcu_preempt0-21swapper/119:55:561
81640rcu_preempt0-21swapper/100:18:351
81640rcu_preempt0-21swapper/023:39:530
81640rcu_preempt0-21swapper/023:23:400
81630rcu_preempt11924-21ssh22:23:411
81630rcu_preempt1156-21ssh00:03:041
81630rcu_preempt0-21swapper/123:12:321
81630rcu_preempt0-21swapper/122:05:481
81630rcu_preempt0-21swapper/121:34:321
81630rcu_preempt0-21swapper/120:45:471
81630rcu_preempt0-21swapper/119:40:481
81630rcu_preempt0-21swapper/020:35:450
81620rcu_preempt0-21swapper/123:20:291
81620rcu_preempt0-21swapper/122:32:031
81620rcu_preempt0-21swapper/121:25:481
81620rcu_preempt0-21swapper/023:55:510
81620rcu_preempt0-21swapper/022:47:180
81610rcu_preempt18459-21missed_timers00:35:541
81610rcu_preempt0-21swapper/121:42:241
81610rcu_preempt0-21swapper/022:30:010
81610rcu_preempt0-21swapper/021:31:150
81600rcu_preempt9548-21ssh22:19:411
81600rcu_preempt6260-21ssh22:12:271
81600rcu_preempt11936-21ssh21:24:251
81600rcu_preempt0-21swapper/023:46:060
81600rcu_preempt0-21swapper/021:57:590
81600rcu_preempt0-21swapper/020:13:110
81590rcu_preempt4375-21ssh00:09:401
81590rcu_preempt3250-21ssh23:06:151
81590rcu_preempt28075-21ssh23:53:101
81590rcu_preempt20179-21ssh22:39:121
81590rcu_preempt19897-21ssh21:38:391
81590rcu_preempt13662-21sh00:26:221
81590rcu_preempt0-21swapper/123:55:511
81590rcu_preempt0-21swapper/122:00:001
81590rcu_preempt0-21swapper/121:15:431
81590rcu_preempt0-21swapper/022:16:020
81590rcu_preempt0-21swapper/000:27:080
81580rcu_preempt9185-21ssh21:19:310
81580rcu_preempt25008-21ssh21:47:481
81580rcu_preempt22358-21ssh23:42:080
81580rcu_preempt12672-21ssh22:25:351
81580rcu_preempt11041-21ssh00:21:390
81580rcu_preempt0-21swapper/123:02:501
81580rcu_preempt0-21swapper/120:40:491
81580rcu_preempt0-21swapper/119:10:551
81580rcu_preempt0-21swapper/023:19:400
81580rcu_preempt0-21swapper/019:45:450
81580rcu_preempt0-21swapper/019:35:320
81580rcu_preempt0-21swapper/019:05:530
81570rcu_preempt6225-21ssh23:12:050
81570rcu_preempt329-21ssh22:01:221
81570rcu_preempt28077-21ssh21:53:451
81570rcu_preempt23578-21munin-run20:20:310
81570rcu_preempt18328-21df22:35:470
81570rcu_preempt0-21swapper/123:28:581
81570rcu_preempt0-21swapper/100:22:311
81570rcu_preempt0-21swapper/100:11:001
81570rcu_preempt0-21swapper/022:52:530
81570rcu_preempt0-21swapper/021:50:490
81570rcu_preempt0-21swapper/021:37:530
81570rcu_preempt0-21swapper/000:40:320
81570rcu_preempt0-21swapper/000:05:360
81560rcu_preempt25600-21ssh23:48:461
81560rcu_preempt1359-21ssh22:04:510
81560rcu_preempt0-21swapper/121:02:291
81560rcu_preempt0-21swapper/120:25:541
81560rcu_preempt0-21swapper/120:17:261
81560rcu_preempt0-21swapper/120:10:301
81560rcu_preempt0-21swapper/119:45:561
81560rcu_preempt0-21swapper/119:29:101
81560rcu_preempt0-21swapper/100:33:091
81560rcu_preempt0-21swapper/022:07:300
81560rcu_preempt0-21swapper/019:32:310
81560rcu_preempt0-21swapper/000:10:350
81550rcu_preempt9360-21ntp_offset19:20:530
81550rcu_preempt31089-21ssh22:59:381
81550rcu_preempt17413-21ssh23:33:450
81550rcu_preempt0-21swapper/120:30:511
81550rcu_preempt0-21swapper/120:02:051
81550rcu_preempt0-21swapper/119:36:071
81550rcu_preempt0-21swapper/020:45:170
81550rcu_preempt0-21swapper/019:10:510
81540rcu_preempt25711-21ssh21:49:590
81540rcu_preempt0-21swapper/120:21:571
81540rcu_preempt0-21swapper/119:31:061
81540rcu_preempt0-21swapper/023:07:060
81540rcu_preempt0-21swapper/023:03:120
81540rcu_preempt0-21swapper/019:56:520
81530rcu_preempt9419-21ps19:20:551
81530rcu_preempt16664-21ssh00:32:370
81530rcu_preempt10921-21ssh21:21:030
81530rcu_preempt0-21swapper/120:50:581
81530rcu_preempt0-21swapper/120:10:341
81530rcu_preempt0-21swapper/022:42:470
81530rcu_preempt0-21swapper/020:56:040
81530rcu_preempt0-21swapper/020:56:040
81530rcu_preempt0-21swapper/020:46:530
81530rcu_preempt0-21swapper/020:10:140
81530rcu_preempt0-21swapper/019:40:510
81520rcu_preempt24796-21users20:20:570
81520rcu_preempt0-21swapper/121:08:191
81520rcu_preempt0-21swapper/022:14:540
81520rcu_preempt0-21swapper/020:05:110
81520rcu_preempt0-21swapper/019:18:330
81510rcu_preempt1212-21users20:55:591
81510rcu_preempt1212-21users20:55:591
81510rcu_preempt0-21swapper/119:52:431
81510rcu_preempt0-21swapper/020:54:130
81510rcu_preempt0-21swapper/020:35:170
81500rcu_preempt0-21swapper/019:27:300
5993994946cyclictest945-21usb-storage20:38:371
81480rcu_preempt16568-21if_err_wlan019:50:500
81470rcu_preempt25210-21df_inode20:25:510
81460rcu_preempt7620-21diskstats19:15:471
81440rcu_preempt29845-21kworker/0:021:05:470
5992993937cyclictest945-21usb-storage21:01:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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