#!/usr/bin/env bash
# Usage: summarize.sh output/02-runs.txt  -> median of each metric per label
awk '
/^== /{label=substr($0,4); next}
/^startup_ms=/{split($0,a,"="); st[label]=st[label] " " a[2]}
/^requests=/{for(i=1;i<=NF;i++){split($i,kv,"="); if(kv[1]=="throughput")tp[label]=tp[label] " " kv[2]; if(kv[1]=="p99")p99[label]=p99[label] " " kv[2]}}
/^\{"javaVersion"/{match($0,/"heapUsedMiB":[0-9]+/); h=substr($0,RSTART+14,RLENGTH-14); hu[label]=hu[label] " " h; match($0,/"rssMiB":[0-9]+/); r=substr($0,RSTART+9,RLENGTH-9); rss[label]=rss[label] " " r}
function med(s,  n,arr,i,j,t){n=split(s,arr," "); for(i=1;i<=n;i++)for(j=i+1;j<=n;j++)if(arr[j]+0<arr[i]+0){t=arr[i];arr[i]=arr[j];arr[j]=t}; return arr[int((n+1)/2)]}
END{for(l in st) printf "%s | startup %s ms | throughput %s req/s | p99 %s ms | heap used %s MiB | RSS %s MiB\n", l, med(st[l]), med(tp[l]), med(p99[l]), med(hu[l]), med(rss[l])}' "$1" | sort