new command ioslay-firefox

it fucking works
it actually fucking works

keep this command running and firefox won't make the system unresponsive
-- AND it won't make itself unresponsive for more than a few seconds.

2 files changed, 54 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 3d6a476..498afa8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 BINDIR = /usr/local/bin
-BINARIES = sliceweasel fireslay
+BINARIES = sliceweasel fireslay ioslay-firefox
 SUDO != [ "$$(id -u)" = 0 ] || echo sudo
 
 .PHONY: install install-bin
diff --git a/ioslay-firefox b/ioslay-firefox
new file mode 100755
index 0000000..eac3184
--- /dev/null
+++ b/ioslay-firefox
@@ -0,0 +1,53 @@
+#!/bin/sh
+
+if [ "$1" = -q ]
+then
+    exec 2>/dev/null
+    shift
+fi
+
+web_content_pids()
+{
+    top -w512 -bn1 -o '%MEM' | sed -e '1,/^$/d' | {
+        while read line
+        do set -- $line
+           [ "${12} ${13}" = "Web Content" ] || continue
+           echo $1
+        done
+    }
+}
+
+set -- $(web_content_pids | tac)
+
+set -- $(printf "\055\055pid=%s " $*)
+
+over_count=0
+sudo -- iotop -qq -b "$@" |
+    while read line
+    do
+        case "$line" in
+            "Total DISK"*)
+                if [ "$OVER" ]
+                then
+                    over_count=$((over_count + 1))
+                    if [ "$over_count" -gt 3 ]
+                    then
+                        fireslay
+                    fi
+                    over=
+                else
+                    over_count=0
+                fi
+            ;;
+            "Current DISK"*) continue ;;
+            *)
+                set -- $line
+                pct=${10%.*}
+                if [ $pct -gt 90 ]
+                then
+                    printf '[%d] %s%% %s\n' "$over_count" "${10}" "${12}" >&2
+                    over=y
+                fi
+                ;;
+        esac
+    done