temporary code for performance investigation
scap capture loop optimizations
refactored the scap read loop to reduce the number of ring buffer checks, and as a consequence improved read speed
a couple of minor optimizations in the sinsp capture loop
another bunch of optimizations and inlinings in the capture loop
Merge branch 'dev' into perf
compile warning on windows
another couple minor performance optimizations
minor change to make tests compile
Merge branch 'dev' into perf
Merge remote-tracking branch 'origin/perf' into cgroups

Conflicts:
	userspace/libsinsp/threadinfo.cpp