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authorPatrick Simianer <p@simianer.de>2014-02-04 13:01:59 +0100
committerPatrick Simianer <p@simianer.de>2014-02-04 13:01:59 +0100
commita53f4a89d25766cbedf1d3a935346ef2b31a4f6a (patch)
treeb8e1d2b18fc7dcfdf5902a1d164a345a3420c7d2
parent3e23640b2305d738850ce28dbd575ee02b43c76a (diff)
memusg
-rw-r--r--.gitmodules2
l---------[m---------]memusg1
-rwxr-xr-xmemusg_git/memusg46
3 files changed, 48 insertions, 1 deletions
diff --git a/.gitmodules b/.gitmodules
index 230f8ce..adc5e6f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
[submodule "memusg"]
- path = memusg
+ path = memusg_git
url = https://gist.github.com/526585.git
diff --git a/memusg b/memusg
-Subproject be4a49e3b62104361a412ed29d1a410a6f8c92e
diff --git a/memusg_git/memusg b/memusg_git/memusg
new file mode 100755
index 0000000..9044a99
--- /dev/null
+++ b/memusg_git/memusg
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+# memusg -- Measure memory usage of processes
+# Usage: memusg COMMAND [ARGS]...
+#
+# Author: Jaeho Shin <netj@sparcs.org>
+# Created: 2010-08-16
+set -um
+
+# check input
+[ $# -gt 0 ] || { sed -n '2,/^#$/ s/^# //p' <"$0"; exit 1; }
+
+# TODO support more options: peak, footprint, sampling rate, etc.
+
+pgid=`ps -o pgid= $$`
+# make sure we're in a separate process group
+if [ $pgid = $(ps -o pgid= $(ps -o ppid= $$)) ]; then
+ cmd=
+ set -- "$0" "$@"
+ for a; do cmd+="'${a//"'"/"'\\''"}' "; done
+ exec bash -i -c "$cmd"
+fi
+
+# detect operating system and prepare measurement
+case `uname` in
+ Darwin|*BSD) sizes() { /bin/ps -o rss= -g $1; } ;;
+ Linux) sizes() { /bin/ps -o rss= -$1; } ;;
+ *) echo "`uname`: unsupported operating system" >&2; exit 2 ;;
+esac
+
+# monitor the memory usage in the background.
+(
+peak=0
+while sizes=`sizes $pgid`
+do
+ set -- $sizes
+ sample=$((${@/#/+}))
+ let peak="sample > peak ? sample : peak"
+ sleep 0.1
+done
+echo "memusg: peak=$peak" >&2
+) &
+monpid=$!
+
+
+# run the given command
+exec "$@"