Auto merge of #11119 - mbrubeck:trace-path, r=jdm
Auto merge of #11119 - mbrubeck:trace-path, r=jdm

Make --profile-trace-path work without -p

Currently `--profile-trace-path` has no effect if `-p` isn't also passed, because the time profiler doesn't start.

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nrc/servo,upsuper/servo,emilio/servo,szeged/servo,cbrewster/servo,szeged/servo,jimberlage/servo,nrc/servo,dati91/servo,rnestler/servo,dsandeephegde/servo,mbrubeck/servo,pyfisch/servo,jimberlage/servo,canaltinova/servo,ConnorGBrewster/servo,mbrubeck/servo,emilio/servo,paulrouget/servo,pyfisch/servo,thiagopnts/servo,mbrubeck/servo,sadmansk/servo,jimberlage/servo,avadacatavra/servo,ConnorGBrewster/servo,SimonSapin/servo,notriddle/servo,splav/servo,pyfisch/servo,paulrouget/servo,canaltinova/servo,fiji-flo/servo,dsandeephegde/servo,mbrubeck/servo,jimberlage/servo,larsbergstrom/servo,notriddle/servo,nrc/servo,dati91/servo,avadacatavra/servo,DominoTree/servo,peterjoel/servo,nnethercote/servo,canaltinova/servo,thiagopnts/servo,upsuper/servo,saneyuki/servo,sadmansk/servo,paulrouget/servo,notriddle/servo,notriddle/servo,SimonSapin/servo,anthgur/servo,CJ8664/servo,thiagopnts/servo,avadacatavra/servo,ConnorGBrewster/servo,upsuper/servo,KiChjang/servo,eddyb/servo,CJ8664/servo,DominoTree/servo,eddyb/servo,dsandeephegde/servo,rnestler/servo,sadmansk/servo,jimberlage/servo,szeged/servo,saneyuki/servo,mattnenterprise/servo,mattnenterprise/servo,larsbergstrom/servo,dati91/servo,CJ8664/servo,DominoTree/servo,sadmansk/servo,nnethercote/servo,nrc/servo,cbrewster/servo,mbrubeck/servo,KiChjang/servo,splav/servo,emilio/servo,DominoTree/servo,thiagopnts/servo,CJ8664/servo,dati91/servo,sadmansk/servo,rnestler/servo,saneyuki/servo,DominoTree/servo,pyfisch/servo,thiagopnts/servo,saneyuki/servo,larsbergstrom/servo,mbrubeck/servo,splav/servo,ConnorGBrewster/servo,pyfisch/servo,anthgur/servo,thiagopnts/servo,dsandeephegde/servo,nnethercote/servo,nnethercote/servo,nnethercote/servo,SimonSapin/servo,upsuper/servo,fiji-flo/servo,thiagopnts/servo,canaltinova/servo,KiChjang/servo,cbrewster/servo,CJ8664/servo,larsbergstrom/servo,KiChjang/servo,paulrouget/servo,mattnenterprise/servo,KiChjang/servo,cbrewster/servo,upsuper/servo,rnestler/servo,emilio/servo,cbrewster/servo,KiChjang/servo,cbrewster/servo,larsbergstrom/servo,jimberlage/servo,saneyuki/servo,nnethercote/servo,pyfisch/servo,paulrouget/servo,jimberlage/servo,sadmansk/servo,fiji-flo/servo,eddyb/servo,mbrubeck/servo,canaltinova/servo,mattnenterprise/servo,notriddle/servo,ConnorGBrewster/servo,pyfisch/servo,KiChjang/servo,canaltinova/servo,emilio/servo,larsbergstrom/servo,avadacatavra/servo,emilio/servo,dati91/servo,splav/servo,emilio/servo,splav/servo,notriddle/servo,paulrouget/servo,fiji-flo/servo,szeged/servo,sadmansk/servo,nnethercote/servo,notriddle/servo,KiChjang/servo,SimonSapin/servo,CJ8664/servo,dsandeephegde/servo,avadacatavra/servo,fiji-flo/servo,peterjoel/servo,anthgur/servo,pyfisch/servo,CJ8664/servo,dati91/servo,eddyb/servo,saneyuki/servo,DominoTree/servo,paulrouget/servo,avadacatavra/servo,peterjoel/servo,notriddle/servo,larsbergstrom/servo,peterjoel/servo,SimonSapin/servo,splav/servo,upsuper/servo,saneyuki/servo,emilio/servo,nrc/servo,nnethercote/servo,anthgur/servo,KiChjang/servo,notriddle/servo,DominoTree/servo,DominoTree/servo,szeged/servo,DominoTree/servo,anthgur/servo,peterjoel/servo,rnestler/servo,upsuper/servo,fiji-flo/servo,paulrouget/servo,larsbergstrom/servo,szeged/servo,szeged/servo,paulrouget/servo,SimonSapin/servo,peterjoel/servo,saneyuki/servo,mattnenterprise/servo,cbrewster/servo,peterjoel/servo,mattnenterprise/servo,szeged/servo,eddyb/servo,jimberlage/servo,avadacatavra/servo,CJ8664/servo,fiji-flo/servo,eddyb/servo,dsandeephegde/servo,splav/servo,nnethercote/servo,mbrubeck/servo,nnethercote/servo,pyfisch/servo,szeged/servo,nrc/servo,anthgur/servo,nrc/servo,mattnenterprise/servo,saneyuki/servo,sadmansk/servo,eddyb/servo,fiji-flo/servo,larsbergstrom/servo,avadacatavra/servo,dsandeephegde/servo,ConnorGBrewster/servo,dsandeephegde/servo,dati91/servo,KiChjang/servo,ConnorGBrewster/servo,rnestler/servo,SimonSapin/servo,eddyb/servo,rnestler/servo,splav/servo,canaltinova/servo,splav/servo,SimonSapin/servo,anthgur/servo,larsbergstrom/servo,szeged/servo,canaltinova/servo,peterjoel/servo,dati91/servo,emilio/servo,peterjoel/servo,thiagopnts/servo,notriddle/servo,peterjoel/servo,cbrewster/servo,saneyuki/servo,anthgur/servo,DominoTree/servo,pyfisch/servo,mattnenterprise/servo,emilio/servo,jimberlage/servo,rnestler/servo,upsuper/servo,ConnorGBrewster/servo,splav/servo,paulrouget/servo