linuxperf

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linuxperf [2024/11/30 09:41] – [Swap] danilinuxperf [2024/11/30 12:27] (current) – [Get on Top of it] admin
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 Linux's top command provides a wealth of troubleshooting information, but you have to know what you're looking for. Reference this diagram as you go through the steps below: Linux's top command provides a wealth of troubleshooting information, but you have to know what you're looking for. Reference this diagram as you go through the steps below:
  
-{{:images:top.png?direct&400|Top output}}+{{:images:top.png?direct&600|Top output}}
  
 ==== Step 1: Check I/O wait and CPU idletime ==== ==== Step 1: Check I/O wait and CPU idletime ====
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 Low swap means you have a "real" IO wait problem. The next step is to see what's hogging your IO. Low swap means you have a "real" IO wait problem. The next step is to see what's hogging your IO.
  
-{{:images:iotop.png?direct&400|}}+{{:images:iotop.png?direct&600|}}
  
 ''%%iotop%%'' is an awesome tool for identifying io offenders. ''%%iotop%%'' is an awesome tool for identifying io offenders.
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 ==== Memory ==== ==== Memory ====
  
-{{:images:ramusage.png| Icinga memory usage}}+{{:images:ramusage.png?direct&600| Icinga memory usage}}
  
  
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 ==== CPU ==== ==== CPU ====
  
-{{:images/cpuusage.png| Icinga CPU usage}}+{{:images:cpuusage.png?direct&600|Icinga CPU usage}}
  
-{{:images/iowaits.png| Icinga I/O waits}}+{{:images:iowaits.png?direct&600|Icinga I/O waits}}
  
-{{:images/blockedpocesses.png| Icinga blocked processes}}+{{:images:blockedpocesses.png?direct&600|Icinga blocked processes}}
  
 ==== Network ==== ==== Network ====
  
-{{:images/netusage.png| Icinga network usage}}+{{:images:netusage.png?direct&600| Icinga network usage}}
  
  
  • linuxperf.1732956065.txt.gz
  • Last modified: 2024/11/30 09:41
  • by dani