SigLens acquired by Apple for debugging massive apps and services

Apple has bought SigScalr, the maker of SigLens, giving it a tool to monitor and debug the processes of large numbers of interrelated applications.
SigLens lets developers set up continuous monitoring of apps to see how they are working over time - image credit: SigScalr
Instead of needing multiple programs ranging from Xcode to Activity Monitor, an application monitoring app like SigLens is one tool that tracks and logs what happens inside several apps, or across many routines within the same o