You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-22 - 06:23
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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack3slot7.osadl.org (updated Sat Nov 22, 2025 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/028814-21kworker/0:018:52:570
14991310watchdog/07285-21ntp_offset19:08:060
14991280watchdog/010825-21aten2.4_r3power22:48:220
14991270watchdog/08514-21latency_hist00:27:460
14991270watchdog/02996-21runrttasks21:06:220
14991260watchdog/016340-21munin-node23:08:260
2569212510sleep02597-21ntp_offset00:08:040
14991240watchdog/06955-21latency_hist20:52:460
14991240watchdog/02996-21runrttasks19:26:340
14991240watchdog/028685-21munin-node20:18:260
14991220watchdog/08631-21mailstats19:12:580
14991220watchdog/022691-21munin-node19:58:020
14991200watchdog/019280-21chrt23:17:380
14991190watchdog/02996-21runrttasks19:51:580
14991190watchdog/02845-21sensors20:38:100
14991190watchdog/020837-21latency_hist23:22:460
14991190watchdog/017139-21missed_timers21:23:300
14991170watchdog/013288-21sendmail_mailst21:12:580
14991160watchdog/02996-21runrttasks23:56:140
14991150watchdog/019921-21nfs_client21:33:140
14991140watchdog/02996-21runrttasks22:33:020
14991140watchdog/02738-21df_inode22:23:100
14991140watchdog/01090-21aten2.4_r3power20:33:060
14991130watchdog/028541-21runrttasks22:02:420
14991120watchdog/028591-21date23:47:460
14991120watchdog/022761-21cpu21:43:100
14991120watchdog/018458-21uname19:43:180
14991080watchdog/015515-21timerandwakeup23:03:260
14991080watchdog/015254-21nfs_client19:33:140
14991080watchdog/0129332sleep022:56:100
14991070watchdog/05916-21head20:48:100
14991060watchdog/026264-21cpuspeed23:38:220
14991060watchdog/020914-21latency_hist19:52:460
14991050watchdog/015118-21grep21:18:100
14991040watchdog/023050-21nfs_client23:28:180
14991040watchdog/022335-21runrttasks21:42:260
14991020watchdog/027058-21date21:57:460
14991000watchdog/024525-21grep20:03:140
14991000watchdog/013980-21munin-node19:28:300
1499990watchdog/05145-21seq00:15:420
1499990watchdog/04512-21nfs_client18:58:140
1499990watchdog/024273-21aten2.4_r3power21:48:060
1499960watchdog/030331-21munin-node20:23:020
243550950irq/11-eth012880-21seq21:10:420
243550920irq/11-eth018400-21nfs_client21:28:140
243550880irq/11-eth029477-21missed_timers22:03:280
243550850irq/11-eth013976-21interrupts22:58:310
243550850irq/11-eth01137-21df_inode00:03:100
3731988213cyclictest7385-21df_inode22:38:110
3731988113cyclictest30752-21nfs_client22:08:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional