Update profile.sh

tools/cpp/profile.sh

@@ -8,12 +8,21 @@ cd -- "$AOC_ROOT/$AOC_YEAR"
 
 read -r -d ' ' day < <(parse_day_args "$1")
 num=${2:-1}
-log_file="profiling/logs/day${day}_${num}.folded"
+raw_log_file="profiling/logs/day${day}_${num}.folded"
+log_file="profiling/logs/day${day}_${num}.filtered"
 svg_file="profiling/day${day}_${num}.svg"
+rev_svg_file="profiling/day${day}_${num}_reversed.svg"
 
 BINARY=build/profile/day$day
 make_quiet "$BINARY"
 mkdir -p profiling/logs
-perf record -g --call-graph dwarf,32768 -F 99 hyperfine --shell none "$BINARY input/day$day/input.txt"
-perf script --header -F comm,pid,tid,time,event,ip,sym,dso | inferno-collapse-perf --skip-after main > "$log_file"
+perf record -g --call-graph dwarf,64000 -F 99 hyperfine --shell none "$BINARY input/day$day/input.txt"
+#perf record -g --call-graph dwarf,64000 -F 99 "$BINARY" "input/day$day/input.txt"
+perf script --header -F comm,pid,tid,time,event,ip,sym,dso | stackcollapse-perf.pl > "$raw_log_file"
+# skip extra frames between the executable name and main(), and exclude some stacks we don't care about
+sed -E -e 's/^(.*;)?(main;.*)/\2/' "$raw_log_file" | grep -vE '^'"day$day"'(;_start|;__.*| [0-9]+)|^hyperfine' > "$log_file"
+#if [[ $day == 12 ]]; then
+#  sed -E -i 's/(;aoc::day12::ConditionRecord::count_arrangements)\1*/\1+/;' "$log_file"
+#fi
 inferno-flamegraph --inverted --deterministic "$log_file" > "$svg_file"
+inferno-flamegraph --reverse --deterministic "$log_file" > "$rev_svg_file"