1 files changed, 51 insertions, 0 deletions

diff --git a/src/generate-firefox-unit b/src/generate-firefox-unit
new file mode 100755
index 0000000..c285ffc
--- /dev/null
+++ b/src/generate-firefox-unit
@@ -0,0 +1,51 @@
+#!/bin/bash
+
+INPUT_FILE=$1
+OUTPUT_FILE=$2
+
+die() { printf "%s: Error: %s\n" "$0" "$*" >&2; exit 1; }
+
+# Test DEVICE WRITE OPS BY WRITEOPS
+test_write_ops()
+{
+    if ! [ -e "$1" ]
+    then
+        mkdir -p "$(dirname "$1")"
+        sync
+        begin=$(date +%s%N)
+        dd if=/dev/urandom of="$DIR"/urandom.out bs=1M count=300
+        sync
+        end=$(date +%s%N)
+        ops=$(( (end - begin) / 1000000000 ))
+        rm "$DIR"/urandom.out
+        echo "$ops" > "$1"
+    fi
+    cat "$1"
+}
+
+DIR=~/.mozilla
+READ_OPS=1G
+WRITE_OPS=$READ_OPS
+CONFDIR=$HOME/.config/firestart
+
+if [ -e "$CONFDIR"/conf ]
+then
+    . "$CONFDIR"/conf
+fi
+
+WRITE_OPS=$(test_write_ops "$CONFDIR"/diskspeed.dat)
+WRITE_OPS=${WRITE_OPS%.*}
+READ_OPS=$WRITE_OPS
+
+[ -e "$DIR" ] || die "does not exist: $DIR"
+[ -d "$DIR" ] || die "not a directory: $DIR"
+
+DEV=$(echo $(findmnt --target "$DIR" -o MAJ:MIN -n))
+[ "$DEV" ] || die "could not determine backing device for $DIR"
+
+IOReadIOPSMax="$DEV $READ_OPS"
+IOWriteIOPSMax="$DEV $WRITE_OPS"
+
+sed -e "s/^IOReadIOPSMax *=.*/IOReadIOPSMax = $IOReadIOPSMax/" \
+    -e "s/^IOWriteIOPSMax *=.*/IOWriteIOPSMax = $IOWriteIOPSMax/" \
+    < "$INPUT_FILE" > "$OUTPUT_FILE"