Method addStack

deps/v8/tools/profview/profile-utils.js:253–262

(file, tickIndex)

  }

  addStack(file, tickIndex) {
    let stack = file.ticks[tickIndex].s;
    let step = this.isBottomUp ? 2 : -2;
    let start = this.isBottomUp ? 0 : stack.length - 2;

    let stackPos = findNextFrame(file, stack, start, step, this.filter);
    addOrUpdateChildNode(this.tree, file, tickIndex, stackPos, this.isBottomUp);

    this.tree.ticks++;
  }
}

function buildCategoryTreeAndLookup() {