feat: add bash configs

bash/perf.bash

@@ -0,0 +1,35 @@
+alias perf-rec='perf record -g -e cpu-cycles -p'
+alias perf-rep='perf report'
+
+perf-dat() {
+    perf script | stackcollapse-perf.pl > "$1"
+}
+
+flamegraph() {
+    local perf_name="${1:-pdat}"
+
+    [[ -f perf.data ]] || {
+        echo "perf.data not found" >&2
+        return 1
+    }
+
+    mkdir -p img
+
+    perf-dat "$perf_name" &&
+        flamegraph.pl "$perf_name" > "img/$perf_name.svg"
+}
+
+flamegraph-diff() {
+    if [[ -f "$1" && -f "$2" ]]; then
+        mkdir -p img
+        difffolded.pl "$1" "$2" |
+            flamegraph.pl > "img/perf-diff-$1-$2.svg"
+    fi
+}
+
+binlog-dump() {
+    barsic dump \
+        --prefix="$1" \
+        --no-start-echo \
+        -- binlog-dumper --module "$2"
+}