You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-09 - 12:29
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 376 highest latencies:
System rackcslot3.osadl.org (updated Wed Sep 09, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt0-21swapper/119:18:281
81770rcu_preempt1699-21ps00:31:320
81740rcu_preempt2192-21snmpd00:24:331
81740rcu_preempt19-21ksoftirqd/122:06:511
81740rcu_preempt19-21ksoftirqd/121:52:381
81740rcu_preempt19-21ksoftirqd/121:22:001
81720rcu_preempt21025-21ssh00:06:051
81720rcu_preempt0-21swapper/020:41:280
81710rcu_preempt9306-21sh21:34:040
81710rcu_preempt0-21swapper/023:21:250
81710rcu_preempt0-21swapper/019:26:340
81710rcu_preempt0-21swapper/019:21:280
81710rcu_preempt0-21swapper/000:01:130
81700rcu_preempt19-21ksoftirqd/100:38:161
81700rcu_preempt0-21swapper/021:46:260
81700rcu_preempt0-21swapper/000:24:460
81690rcu_preempt22776-21ssh22:01:200
81690rcu_preempt1829-21diskmemload23:01:530
81690rcu_preempt0-21swapper/000:50:240
81680rcu_preempt0-21swapper/023:52:580
81680rcu_preempt0-21swapper/023:09:450
81680rcu_preempt0-21swapper/021:28:110
81640rcu_preempt692-21latency_hist00:31:080
81640rcu_preempt0-21swapper/022:11:180
81640rcu_preempt0-21swapper/000:10:250
89950630irq/17-ehci_hcd24477-21df_inode20:41:231
81630rcu_preempt0-21swapper/020:06:220
81630rcu_preempt0-21swapper/019:16:280
89950620irq/17-ehci_hcd945-21usb-storage00:17:271
81620rcu_preempt24104-21munin-run20:41:060
81620rcu_preempt0-21swapper/123:30:551
81620rcu_preempt0-21swapper/122:16:351
81620rcu_preempt0-21swapper/122:11:251
81620rcu_preempt0-21swapper/023:59:030
81620rcu_preempt0-21swapper/022:41:290
81620rcu_preempt0-21swapper/021:16:210
81620rcu_preempt0-21swapper/020:16:320
81610rcu_preempt8112-21ssh21:31:301
81610rcu_preempt30682-21if_err_can022:16:240
81610rcu_preempt10777-21ps21:36:310
81610rcu_preempt0-21swapper/123:41:251
81610rcu_preempt0-21swapper/123:08:211
81610rcu_preempt0-21swapper/122:45:431
81610rcu_preempt0-21swapper/121:38:591
81610rcu_preempt0-21swapper/000:41:310
89950600irq/17-ehci_hcd12830-21apt-esm-hook19:56:170
81600rcu_preempt28478-21ssh23:16:220
81600rcu_preempt27561-21ssh22:10:580
81600rcu_preempt11280-21ssh23:46:241
81600rcu_preempt0-21swapper/123:58:241
81600rcu_preempt0-21swapper/122:58:421
81600rcu_preempt0-21swapper/122:39:341
81600rcu_preempt0-21swapper/121:29:451
81600rcu_preempt0-21swapper/119:56:301
81600rcu_preempt0-21swapper/119:56:051
81600rcu_preempt0-21swapper/119:56:051
81600rcu_preempt0-21swapper/022:51:350
81600rcu_preempt0-21swapper/000:38:300
81590rcu_preempt6869-21ssh22:32:141
81590rcu_preempt4835-21ssh22:29:131
81590rcu_preempt3474-21ssh21:22:290
81590rcu_preempt31079-21ssh23:21:251
81590rcu_preempt2609-21ssh22:25:111
81590rcu_preempt25134-21ssh00:12:541
81590rcu_preempt15933-21strings21:46:291
81590rcu_preempt14587-21ssh22:47:451
81590rcu_preempt0-21swapper/123:53:471
81590rcu_preempt0-21swapper/123:38:481
81590rcu_preempt0-21swapper/123:16:441
81590rcu_preempt0-21swapper/123:11:261
81590rcu_preempt0-21swapper/121:59:411
81590rcu_preempt0-21swapper/121:20:301
81590rcu_preempt0-21swapper/100:49:231
81590rcu_preempt0-21swapper/100:44:041
81590rcu_preempt0-21swapper/100:07:131
81590rcu_preempt0-21swapper/023:39:160
81590rcu_preempt0-21swapper/022:47:460
81590rcu_preempt0-21swapper/022:21:290
81580rcu_preempt5621-21ssh23:35:431
81580rcu_preempt24992-21ssh00:12:190
81580rcu_preempt19-21ksoftirqd/119:46:241
81580rcu_preempt0-21swapper/122:51:351
81580rcu_preempt0-21swapper/122:05:441
81580rcu_preempt0-21swapper/121:42:141
81580rcu_preempt0-21swapper/120:31:121
81580rcu_preempt0-21swapper/120:01:171
81580rcu_preempt0-21swapper/119:32:551
81580rcu_preempt0-21swapper/023:41:440
81580rcu_preempt0-21swapper/023:33:210
81580rcu_preempt0-21swapper/021:45:390
89550570irq/17-ehci_hcd1829-21diskmemload22:58:340
81570rcu_preempt2924-21ssh00:34:511
81570rcu_preempt26776-21memory00:16:290
81570rcu_preempt1558-21ssh23:26:310
81570rcu_preempt12582-21ssh23:48:100
81570rcu_preempt0-21swapper/123:02:201
81570rcu_preempt0-21swapper/121:11:221
81570rcu_preempt0-21swapper/120:08:051
81570rcu_preempt0-21swapper/119:44:021
81570rcu_preempt0-21swapper/119:36:211
81570rcu_preempt0-21swapper/119:24:511
81570rcu_preempt0-21swapper/100:28:591
81570rcu_preempt0-21swapper/023:14:370
81570rcu_preempt0-21swapper/022:38:060
81570rcu_preempt0-21swapper/021:57:180
81570rcu_preempt0-21swapper/019:46:300
81560rcu_preempt19684-21ssh21:54:490
81560rcu_preempt0-21swapper/022:29:000
81560rcu_preempt0-21swapper/021:01:300
81560rcu_preempt0-21swapper/020:51:260
81560rcu_preempt0-21swapper/020:31:220
81560rcu_preempt0-21swapper/020:26:210
81550rcu_preempt0-21swapper/121:07:411
81550rcu_preempt0-21swapper/121:00:301
81550rcu_preempt0-21swapper/120:46:321
81550rcu_preempt0-21swapper/120:14:451
81550rcu_preempt0-21swapper/119:30:191
81550rcu_preempt0-21swapper/022:33:260
81540rcu_preempt30011-21ntp_states21:01:301
81540rcu_preempt0-21swapper/020:14:240
81530rcu_preempt0-21swapper/120:28:241
81530rcu_preempt0-21swapper/020:58:510
81520rcu_preempt19912-21ntp_states20:21:301
81520rcu_preempt0-21swapper/019:54:020
81520rcu_preempt0-21swapper/019:54:020
81520rcu_preempt0-21swapper/019:40:200
3855995249cyclictest945-21usb-storage20:16:171
81510rcu_preempt0-21swapper/020:48:510
81510rcu_preempt0-21swapper/020:02:590
3855995148cyclictest945-21usb-storage20:55:351
3855995148cyclictest945-21usb-storage20:36:321
81470rcu_preempt19327-21df20:21:220
81460rcu_preempt6520-21apt-get19:31:170
89550450irq/17-ehci_hcd0-21swapper/021:06:160
146250430irq/28-eth0-rx-29858-21kworker/0:021:11:320
3854994211cyclictest29174-21kworker/0:219:44:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional