I was looking at the simple on demand governor's code and have got few queries:
- In the code below to check for overflow, why 24 and 7 has been taken?
/* Prevent overflow */
if (stat.busy_time >= (1 << 24) || stat.total_time >= (1 << 24)) {
stat.busy_time >>= 7;
stat.total_time >>= 7;
}
- Also for maximum frequency UINT_MAX is returned which may not be suited for some devices.
- One more query, whats the unit (usecs, nsecs etc) used for busy and load time. Has it got nothing to do with units
and its mere the percentage of busy time?
- If we want to use simple on demand governor then do we need to modify yours to suit our needs? I mean you have
just provided a framework?
Thanks,
Satendra
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