Hello, 
Running top command with idlestat tool doesn't show any frequency 
information sometimes. I have run the program with the following 
command - 
#sudo idlestat --trace -t 5 -f /tmp/myoutput /usr/bin/top 
and it ended up with the following output where there is no frequency 
state information. The file "myoutput" doesn't have any cpu_frequency 
entry either. 
Total trace buffer: 153896 kB 
Log is 4.999488 secs long with 675 events 
clusterA@state  hits          total(us)         avg(us) min(us) max(us) 
         C6-SNB 163          4955450.00        30401.53 0.00    141946.00 
  cpu0@state    hits          total(us)         avg(us) min(us) max(us) 
       C1-SNB   1                912.00          912.00 912.00  912.00 
       C6-SNB   115          4996270.00        43445.83 67.00   211819.00 
  cpu0 wakeups  name            count 
       irq040   eth0            50 
  cpu1@state    hits          total(us)         avg(us) min(us) max(us) 
       C1-SNB   3              10809.00         3603.00 27.00   10742.00 
       C6-SNB   62           4985746.00        80415.26 59.00   223952.00 
  cpu1 wakeups  name            count 
       irq018   ata_piix        6 
  cpu2@state    hits          total(us)         avg(us) min(us) max(us) 
       C1-SNB   3              10800.00         3600.00 26.00   10745.00 
       C6-SNB   52           4986684.00        95897.77 5724.00 223957.00 
  cpu2 wakeups  name            count 
  cpu3@state    hits          total(us)         avg(us) min(us) max(us) 
       C1-SNB   20             15123.00          756.15 121.00  10895.00 
       C6-SNB   47           4962591.00       105587.04 1.00    223950.00 
  cpu3 wakeups  name            count 
Does that mean processors spent all time in idle state and none in active 
state? 

-- 
Best Regards 
Salman Ahmed

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