build metrics: StartEdge and EndEdge
build metrics: StartEdge and EndEdge

Total build time is also relevant.
The costs of StartEdge and EndEdge turned out to be quite surprising.
Especially if multiple targets are specified on edges.
 (I've tried declaring depfiles targets explicitly)

pathscale/ninja,purcell/ninja,ignatenkobrain/ninja,dendy/ninja,mutac/ninja,Qix-/ninja,ilor/ninja,dabrahams/ninja,ndsol/subninja,sgraham/ninja,ctiller/ninja,mgaunard/ninja,nico/ninja,Qix-/ninja,ikarienator/ninja,ninja-build/ninja,kimgr/ninja,jendrikillner/ninja,nafest/ninja,Qix-/ninja,rjogrady/ninja,ndsol/subninja,fuchsia-mirror/third_party-ninja,jimon/ninja,iwadon/ninja,barak/ninja,sorbits/ninja,liukd/ninja,sorbits/ninja,chenyukang/ninja,barak/ninja,nickhutchinson/ninja,guiquanz/ninja,pck/ninja,jimon/ninja,syntheticpp/ninja,purcell/ninja,dorgonman/ninja,tfarina/ninja,dendy/ninja,kissthink/ninja,LuaDist/ninja,fuchsia-mirror/third_party-ninja,jendrikillner/ninja,LuaDist/ninja,Qix-/ninja,kissthink/ninja,atetubou/ninja,guiquanz/ninja,jhanssen/ninja,rjogrady/ninja,ikarienator/ninja,nafest/ninja,synaptek/ninja,bradking/ninja,bmeurer/ninja,bradking/ninja,mutac/ninja,chenyukang/ninja,dorgonman/ninja,jsternberg/ninja,mohamed/ninja,ninja-build/ninja,iwadon/ninja,hnney/ninja,iwadon/ninja,automeka/ninja,mydongistiny/ninja,rjogrady/ninja,ctiller/ninja,TheOneRing/ninja,rjogrady/ninja,kissthink/ninja,nickhutchinson/ninja,mohamed/ninja,martine/ninja,jsternberg/ninja,Maratyszcza/ninja-pypi,ndsol/subninja,nico/ninja,TheOneRing/ninja,sorbits/ninja,fifoforlifo/ninja,synaptek/ninja,fifoforlifo/ninja,mydongistiny/ninja,synaptek/ninja,colincross/ninja,dorgonman/ninja,automeka/ninja,barak/ninja,tfarina/ninja,ThiagoGarciaAlves/ninja,atetubou/ninja,curinir/ninja,curinir/ninja,nocnokneo/ninja,dpwright/ninja,sgraham/ninja,maruel/ninja,ndsol/subninja,sxlin/dist_ninja,automeka/ninja,hnney/ninja,pck/ninja,rnk/ninja,jhanssen/ninja,jimon/ninja,Ju2ender/ninja,mohamed/ninja,TheOneRing/ninja,pathscale/ninja,ctiller/ninja,LuaDist/ninja,liukd/ninja,martine/ninja,ThiagoGarciaAlves/ninja,martine/ninja,glensc/ninja,pathscale/ninja,mgaunard/ninja,barak/ninja,nickhutchinson/ninja,sgraham/ninja,lizh06/ninja,jsternberg/ninja,mdempsky/ninja,dabrahams/ninja,glensc/ninja,ThiagoGarciaAlves/ninja,ThiagoGarciaAlves/ninja,vvvrrooomm/ninja,bmeurer/ninja,sxlin/dist_ninja,dabrahams/ninja,atetubou/ninja,maruel/ninja,sxlin/dist_ninja,glensc/ninja,metti/ninja,AoD314/ninja,dendy/ninja,sxlin/dist_ninja,metti/ninja,nafest/ninja,yannicklm/ninja,tfarina/ninja,jhanssen/ninja,pck/ninja,ctiller/ninja,moroten/ninja,ikarienator/ninja,mdempsky/ninja,drbo/ninja,tfarina/ninja,AoD314/ninja,chenyukang/ninja,kissthink/ninja,mutac/ninja,Maratyszcza/ninja-pypi,nicolasdespres/ninja,purcell/ninja,bmeurer/ninja,colincross/ninja,dpwright/ninja,juntalis/ninja,drbo/ninja,nocnokneo/ninja,jendrikillner/ninja,juntalis/ninja,vvvrrooomm/ninja,jendrikillner/ninja,syntheticpp/ninja,yannicklm/ninja,iwadon/ninja,moroten/ninja,dorgonman/ninja,bradking/ninja,fifoforlifo/ninja,bradking/ninja,guiquanz/ninja,jhanssen/ninja,mutac/ninja,dabrahams/ninja,rnk/ninja,sxlin/dist_ninja,nico/ninja,pck/ninja,maruel/ninja,nocnokneo/ninja,yannicklm/ninja,nickhutchinson/ninja,kimgr/ninja,colincross/ninja,vvvrrooomm/ninja,ikarienator/ninja,liukd/ninja,juntalis/ninja,fuchsia-mirror/third_party-ninja,purcell/ninja,hnney/ninja,mohamed/ninja,lizh06/ninja,Maratyszcza/ninja-pypi,dpwright/ninja,guiquanz/ninja,AoD314/ninja,nicolasdespres/ninja,autopulated/ninja,sxlin/dist_ninja,nocnokneo/ninja,pathscale/ninja,Ju2ender/ninja,nico/ninja,metti/ninja,dendy/ninja,LuaDist/ninja,chenyukang/ninja,Maratyszcza/ninja-pypi,ilor/ninja,sxlin/dist_ninja,rnk/ninja,mdempsky/ninja,atetubou/ninja,kimgr/ninja,martine/ninja,mydongistiny/ninja,lizh06/ninja,lizh06/ninja,mdempsky/ninja,Ju2ender/ninja,TheOneRing/ninja,ignatenkobrain/ninja,hnney/ninja,mgaunard/ninja,mydongistiny/ninja,fifoforlifo/ninja,ignatenkobrain/ninja,synaptek/ninja,curinir/ninja,sgraham/ninja,Ju2ender/ninja,jimon/ninja,bmeurer/ninja,metti/ninja,liukd/ninja,glensc/ninja,ilor/ninja,syntheticpp/ninja,autopulated/ninja,dpwright/ninja,ilor/ninja,jsternberg/ninja,curinir/ninja,autopulated/ninja,drbo/ninja,moroten/ninja,juntalis/ninja,nicolasdespres/ninja,fuchsia-mirror/third_party-ninja,vvvrrooomm/ninja,kimgr/ninja,colincross/ninja,rnk/ninja,yannicklm/ninja,automeka/ninja,autopulated/ninja,AoD314/ninja,nafest/ninja,sorbits/ninja,drbo/ninja,moroten/ninja,maruel/ninja,mgaunard/ninja,ninja-build/ninja,syntheticpp/ninja,ignatenkobrain/ninja,nicolasdespres/ninja,ninja-build/ninja