Best Practice for Monitoring, on VPS 2012 Server Standard. Extended Events or Profiler?

Hi,
What tools do you use to determine if you should tweak SQL Server configuration and optimize code route, or simply bump up your virtual resources? Can someone share a bag of Extended Events to monitor at the VPS level?  
I'm a reasonably decent SQL Developer but never advanced far with DBA efforts. Especially when the mainstream went virtual. Seemed to me that all SQL Servers flexibility with managing disk and memory went out the window now that everything is 'shared', NATed,
and Plesked. So I basically dropped out of the conversation and built stuff with SSIS and TSQL.
Now, I'm charged with assessing a bottleneck on a VPS Windows 2012 Standard running SQL 2012 Express. I've read that running profiler and traces are deprecated and I've looked a bit at the servers extended events on the hosted environment. I have not run anything.
My question: Does it make sense to think in terms of 'levels' in deciding what to monitor? I consider the SQL Server as a level, then the Windows Server, and finally the Virtual Level. What I'm getting at, is sure, I can monitor SQL Server with a profile tool,
but it won't know SQL is on a VPS. So do I miss something?
There used to be day when we had a dedicated physical box for SQL Server. We ran traces using profiler and got good clues on how to improve performance. In todays VPS world we can use sliders to increase virtual memory and disk space. What tools do you use
to determine if you should tweak SQL Server configuration and optimize code route, or simply bump up your virtual resources? Can someone share a bag of Extended Events to monitor at the VPS level?  
What Extened Events at the VPS level tell me if SQL Server is struggling with the limited 1Gb virtual memory? I realize this is not a direct question but hopefully someone will point this developer in the right direction.
John

Hi John,
From SQL point of view it doesnt really matter whether the box is physical or virtual. So if you feel there is performance issues with sql and you are well versed with sql profiler troubleshooting go ahead with that. If you feel performance is good, then
you know where to look into.
I would first prefer to find whether it is really a problem with SQL before trying to troubleshoot sql side and I use perfmon counters to do that.
Also I would look at the SQL Error log to see if there are any obvious errors.
I havent used extended events much so leaving that for others to comment on. :)
Regards, Ashwin Menon My Blog - http:\\sqllearnings.com

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