gettimeofday with interrupts disabled

Aziz Eker aeker@ncsu.edu
Mon May 8 01:24:00 GMT 2006


Hi,

I want to get some measurements about the time scheduler_tick()
function takes. To do that, I am finding time difference between the
start and end of the function using 'gettimeofday_us'. However, the
scheduler_tick() function is called with interrupts disabled. Does
'gettimeofday' continue to run even when interrupts are disabled? If
not, is there anyway to count the RTC in systemtap?

 Thanks,

Aziz



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