Gas hotspotsGas each call burned BY ITSELF — its own consumption minus everything it invoked, since the wire reports gas inclusively. The share is of the root call's gas, not of the transaction fee.
ParticipantsDistinct addresses called, how many calls each took, and how many frames ran someone else's code in their caller's storage (DELEGATECALL/CALLCODE).
1 callees· 1 delegating
FailuresCalls that did not succeed, and where the first one is. Inner failures under a successful root are HANDLED — a try/catch, a probe, a fallback path — which reads very differently from a failed transaction.