Add debug logging to profile python CallRPCMethod
Add debug logging to profile python CallRPCMethod

This is very useful for seeing where the time is being spent in
slow RPC calls.

Signed-off-by: Brian Foley <a00e555871a6a538e97f8c44307104c884f8e869@google.com>
Reviewed-by: Viktor Bachraty <a13ea37fcfcda126dc54f94389ded93f402eee93@google.com>

leshchevds/ganeti,leshchevds/ganeti,andir/ganeti,yiannist/ganeti,mbakke/ganeti,ganeti/ganeti,onponomarev/ganeti,leshchevds/ganeti,yiannist/ganeti,mbakke/ganeti,ganeti/ganeti,yiannist/ganeti,andir/ganeti,ganeti/ganeti,mbakke/ganeti,onponomarev/ganeti,andir/ganeti