You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-19 - 14:02
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.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack1slot2.osadl.org (updated Tue May 19, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1521528382,0sleep20-21swapper/207:19:042
1539527068,0sleep00-21swapper/007:21:070
1519226160,0sleep10-21swapper/107:18:471
15642995353,0cyclictest1663-21md0_resync09:49:311
15643993131,0cyclictest83050irq/26-0000:00:09:49:312
1482623127,0sleep30-21swapper/307:18:293
15643991313,0cyclictest83050irq/26-0000:00:12:32:412
15643991313,0cyclictest83050irq/26-0000:00:11:26:192
15643991010,0cyclictest83050irq/26-0000:00:10:52:202
15641991010,0cyclictest0-21swapper/009:23:410
156439977,0cyclictest83050irq/26-0000:00:12:00:222
156439977,0cyclictest83050irq/26-0000:00:11:17:022
156439977,0cyclictest83050irq/26-0000:00:10:17:002
8305060,0irq/26-0000:00:8762-21ntp_states07:58:263
8305060,0irq/26-0000:00:3206-17auditd07:38:043
8305060,0irq/26-0000:00:16671-21munin-node08:03:323
8305060,0irq/26-0000:00:0-21swapper/308:38:183
339960,0migration/33712-21sh12:46:183
339960,0migration/326836-21sh11:43:333
339960,0migration/324780-21munin-node08:13:163
339960,0migration/321846-21sh12:01:103
339960,0migration/321379-21sh11:03:593
339960,0migration/314549-21munin-node08:28:173
29815060,0irq/29-eth0-tx-8611-21munin-node09:08:230
29805060,0irq/28-eth0-rx-8767-21python09:43:283
29805060,0irq/28-eth0-rx-26184-21cut11:28:183
259960,0migration/26317-21fschecks_time10:03:182
156439965,0cyclictest485-21yum11:28:342
156439960,0cyclictest0-21swapper/212:36:502
156419966,0cyclictest0-21swapper/012:23:250
149960,0migration/09806-21sh11:34:420
149960,0migration/08615-21sh09:28:220
149960,0migration/028902-21latency_hist09:58:050
149960,0migration/027970-21sh11:46:450
149960,0migration/020813-21proc_pri10:08:280
149960,0migration/01729-21latency_hist12:28:050
149960,0migration/014883-21sh12:13:400
149960,0migration/013340-21sh10:05:570
8305050,0irq/26-0000:00:8068-21perl09:28:192
8305050,0irq/26-0000:00:7645-21fschecks_count08:23:193
8305050,0irq/26-0000:00:5438-21perl12:48:212
8305050,0irq/26-0000:00:4641-21fschecks_count08:43:173
8305050,0irq/26-0000:00:4452-21cat10:38:222
8305050,0irq/26-0000:00:4094-21ssh09:59:422
8305050,0irq/26-0000:00:32110-21sed09:23:222
8305050,0irq/26-0000:00:32003-21munin-node08:18:143
8305050,0irq/26-0000:00:30399-21ssh12:05:332
8305050,0irq/26-0000:00:2803-21kthreadcore12:08:262
8305050,0irq/26-0000:00:27104-21ssh12:40:452
8305050,0irq/26-0000:00:26078-21kthreadcore09:53:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional