ci: Only show performance improvements and regressions details (#1906)

* ci: Only show performance improvements and regressions details

By default. Makes the perf PR comment a bit more concise.

* Add newline

.github/workflows/bench.yml

@@ -197,14 +197,15 @@ jobs:
  echo
  } >> results.md
  fi
- grep -Ev 'ignored|running \d+ tests|%\)' results.txt |\
- sed -E -e 's/(Performance has regressed.)/:broken_heart: **\1**/gi' \
-  -e 's/(Performance has improved.)/:green_heart: **\1**/gi' \
-  -e 's/^ +/ /gi' \
-  -e 's/^([a-z0-9].*)$/* **\1**/gi' \
-  -e 's/(change:[^%]*% )([^%]*%)(.*)/\1**\2**\3/gi' \
- >> results.md
+ sed -E -e 's/^ //gi' \
+  -e 's/((change|time|thrpt):[^%]*% )([^%]*%)(.*)/\1<b>\3<\/b>\4/gi' results.txt |\
+ perl -p -0777 -e 's/(.*?)\n(.*?)((No change|Change within|Performance has).*?)\n(.*?)\n\n/<details><summary>$1: $3<\/summary><pre>\n$2$5<\/pre><\/details>\n/gs' |\
+ sed -E -e 's/(Performance has regressed.)/:broken_heart: <b>\1<\/b>/gi' \
+ -e 's/(Performance has improved.)/:green_heart: <b>\1<\/b>/gi' \
+ -e 's/^ +((<\/pre>|Found).*)/\1/gi' \
+  -e 's/^<details>(.*Performance has.*)/<details open>\1/gi' >> results.md
  {
+ echo
  echo "### Client/server transfer results"
  cat comparison.md
  } >> results.md