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2025-06-16 - 23:35
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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 all highest latencies:
System rackcslot3.osadl.org (updated Mon Jun 16, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81850rcu_preempt0-21swapper/109:29:171
81800rcu_preempt32554-21sh10:45:041
81790rcu_preempt18584-21ssh10:20:091
81790rcu_preempt18335-21ssh12:14:191
81790rcu_preempt0-21swapper/109:49:161
81770rcu_preempt19164-21ssh09:25:361
81760rcu_preempt9935-21ssh11:59:221
81760rcu_preempt4869-21munin-run11:50:491
81750rcu_preempt0-21swapper/107:25:491
81740rcu_preempt26517-21ssh09:36:431
89050730irq/17-ehci_hcd28689-21ssh12:32:240
81730rcu_preempt22565-21open_files10:26:151
81730rcu_preempt20830-21if_can111:21:091
81730rcu_preempt13249-21diskmemload12:04:231
81720rcu_preempt13249-21diskmemload11:55:441
81710rcu_preempt0-21swapper/112:36:191
81710rcu_preempt0-21swapper/110:36:061
81710rcu_preempt0-21swapper/108:06:241
81710rcu_preempt0-21swapper/012:26:090
89850700irq/17-ehci_hcd171rcuc/112:41:231
81700rcu_preempt19-21ksoftirqd/110:10:471
81700rcu_preempt0-21swapper/109:51:151
81700rcu_preempt0-21swapper/107:26:161
89850690irq/17-ehci_hcd945-21usb-storage07:13:331
81690rcu_preempt1260-21sh11:43:281
81690rcu_preempt0-21swapper/110:46:141
81690rcu_preempt0-21swapper/110:13:431
81690rcu_preempt0-21swapper/109:58:461
81690rcu_preempt0-21swapper/108:21:141
81680rcu_preempt19-21ksoftirqd/109:16:461
81680rcu_preempt0-21swapper/112:09:191
81680rcu_preempt0-21swapper/110:34:451
81670rcu_preempt24201-21munin-run07:50:481
81670rcu_preempt22937-21munin-run07:45:481
81670rcu_preempt0-21swapper/108:41:141
89850660irq/17-ehci_hcd17780-1kworker/0:0H09:25:150
81660rcu_preempt19254-21df_abs12:16:081
81660rcu_preempt19-21ksoftirqd/111:06:501
81660rcu_preempt0-21swapper/111:35:541
81660rcu_preempt0-21swapper/111:05:101
81660rcu_preempt0-21swapper/109:11:131
81660rcu_preempt0-21swapper/108:38:051
81660rcu_preempt0-21swapper/008:37:210
81650rcu_preempt27558-21if_can012:31:101
81650rcu_preempt0-21swapper/111:11:091
81650rcu_preempt0-21swapper/010:42:380
81640rcu_preempt0-21swapper/110:21:041
81630rcu_preempt1183-21iwlist08:26:091
81630rcu_preempt0-21swapper/111:29:021
89450620irq/17-ehci_hcd2196-21ssh12:43:320
81620rcu_preempt6386-21apt-get10:56:050
81620rcu_preempt0-21swapper/112:25:341
81620rcu_preempt0-21swapper/111:15:581
81620rcu_preempt0-21swapper/010:54:190
81610rcu_preempt30689-21ssh09:44:571
81610rcu_preempt10975-21cut09:06:071
81610rcu_preempt0-21swapper/112:26:261
81610rcu_preempt0-21swapper/111:33:061
81610rcu_preempt0-21swapper/110:53:441
81610rcu_preempt0-21swapper/108:11:131
81600rcu_preempt9869-21ssh10:05:221
81600rcu_preempt6325-21ssh10:55:501
81600rcu_preempt21674-21munin-run07:40:481
81600rcu_preempt0-21swapper/011:23:380
81600rcu_preempt0-21swapper/007:11:110
151350600irq/31-eth0-tx-3-21ksoftirqd/010:16:120
89450590irq/17-ehci_hcd3-21ksoftirqd/011:27:560
81590rcu_preempt22317-21ssh09:31:011
81590rcu_preempt0-21swapper/108:01:111
81590rcu_preempt0-21swapper/009:26:100
81580rcu_preempt9071-21ntp_states08:56:161
81580rcu_preempt0-21swapper/108:31:031
81580rcu_preempt0-21swapper/108:16:111
81580rcu_preempt0-21swapper/107:51:071
81580rcu_preempt0-21swapper/107:31:081
81580rcu_preempt0-21swapper/009:56:270
89850570irq/17-ehci_hcd0-21swapper/108:49:491
81570rcu_preempt24857-21ssh09:35:260
81570rcu_preempt21380-21ssh12:19:530
81570rcu_preempt16225-21ssh11:11:420
81570rcu_preempt0-21swapper/010:06:060
81570rcu_preempt0-21swapper/007:32:310
89450560irq/17-ehci_hcd13249-21diskmemload11:55:510
81560rcu_preempt17401-21ssh12:11:320
81560rcu_preempt15794-21fw_packets07:16:051
81560rcu_preempt1299-21ssh11:43:340
81560rcu_preempt12577-21ssh12:03:480
81560rcu_preempt0-21swapper/012:10:440
81560rcu_preempt0-21swapper/009:52:470
81560rcu_preempt0-21swapper/009:15:220
81560rcu_preempt0-21swapper/008:52:000
81560rcu_preempt0-21swapper/008:22:230
81550rcu_preempt32445-21ssh12:40:330
81550rcu_preempt2980-21ssh10:49:430
81550rcu_preempt29129-21ssh10:37:550
81550rcu_preempt25849-21ssh10:31:330
81550rcu_preempt0-21swapper/011:39:150
81550rcu_preempt0-21swapper/008:58:460
81550rcu_preempt0-21swapper/007:41:380
81550rcu_preempt0-21swapper/007:24:140
81550rcu_preempt0-21swapper/007:16:460
15402995550cyclictest945-21usb-storage11:03:270
151050550irq/28-eth0-rx-41ktimersoftd/010:26:210
151050550irq/28-eth0-rx-41ktimersoftd/009:49:540
81540rcu_preempt23552-21ssh12:22:440
81540rcu_preempt19198-21ssh11:17:310
81540rcu_preempt14305-21ssh11:09:310
81540rcu_preempt0-21swapper/109:03:131
81540rcu_preempt0-21swapper/108:51:091
81540rcu_preempt0-21swapper/011:51:500
81540rcu_preempt0-21swapper/011:33:230
81540rcu_preempt0-21swapper/010:12:280
81540rcu_preempt0-21swapper/009:43:470
81540rcu_preempt0-21swapper/008:45:500
81540rcu_preempt0-21swapper/007:46:320
81530rcu_preempt0-21swapper/107:56:161
81530rcu_preempt0-21swapper/010:01:290
81530rcu_preempt0-21swapper/008:31:580
81530rcu_preempt0-21swapper/007:58:460
81520rcu_preempt0-21swapper/009:36:320
81520rcu_preempt0-21swapper/009:16:120
81520rcu_preempt0-21swapper/008:30:210
81520rcu_preempt0-21swapper/008:10:430
81520rcu_preempt0-21swapper/007:54:030
81520rcu_preempt0-21swapper/007:36:460
151050520irq/28-eth0-rx-41ktimersoftd/010:21:140
15402995148cyclictest945-21usb-storage09:06:080
81490rcu_preempt0-21swapper/009:01:200
15402994542cyclictest945-21usb-storage11:47:370
1540299451cyclictest0-21swapper/008:44:460
15402994239cyclictest945-21usb-storage08:01:000
15402994138cyclictest945-21usb-storage08:11:170
15402993936cyclictest945-21usb-storage08:16:070
15402993834cyclictest945-21usb-storage07:28:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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