// addBenchDataToTile adds BenchData to a Tile.
//
// See the description at the top of this file for how the mapping works.
func addBenchDataToTile(benchData *BenchData, tile *tiling.Tile, offset int, counter metrics.Counter) {
// cb is the anonymous closure we'll pass over all the trace values found in benchData.
cb := func(key string, value float64, params map[string]string) {
needsUpdate := false
var trace *types.PerfTrace
if tr, ok := tile.Traces[key]; !ok {
trace = types.NewPerfTrace()
tile.Traces[key] = trace
needsUpdate = true
} else {
trace = tr.(*types.PerfTrace)
if !util.MapsEqual(params, tile.Traces[key].Params()) {
needsUpdate = true
}
}
trace.Params_ = params
trace.Values[offset] = value
counter.Inc(1)
if needsUpdate {
// Update the Tile's ParamSet with any new keys or values we see.
//
// TODO(jcgregorio) Maybe defer this until we are about to Put the Tile
// back to disk and rebuild ParamSet from scratch over all the Traces.
for k, v := range params {
if _, ok := tile.ParamSet[k]; !ok {
tile.ParamSet[k] = []string{v}
} else if !util.In(v, tile.ParamSet[k]) {
tile.ParamSet[k] = append(tile.ParamSet[k], v)
}
}
}
}
benchData.ForEach(cb)
}
