loolwsd/loolstat | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 84 insertions(+)
New commits:
commit c54ea4cd5494a2b038b9accbb10fde5656679219
Author: Henry Castro <hcas...@collabora.com>
Date: Sun Jul 19 19:34:18 2015 -0400
loolwsd: added shell script loolstat
loolstat. display a tree of processes and report total
number processes and threads.
diff --git a/loolwsd/loolstat b/loolwsd/loolstat
new file mode 100755
index 0000000..6926af6
--- /dev/null
+++ b/loolwsd/loolstat
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+# utilities
+TR='tr'
+WC='wc'
+PS='ps'
+SED='sed'
+GREP='grep'
+PSTREE='pstree'
+
+# log pid file
+PIDLOG="/tmp/loolwsd.pid"
+
+# print error message
+log_failure_msg () {
+ if [ -n "${1:-}" ]; then
+ /bin/echo "$@" || true
+ fi
+}
+
+# checking ... print lines matching a pattern utility
+if ! echo a | $GREP -E '(a|b)' >/dev/null 2>&1; then
+ log_failure_msg "$0: error: $GREP utility not found."
+fi
+
+# checking ... word count utility
+if ! $WC --version >/dev/null 2>&1; then
+ log_failure_msg "$0: error: $WC utility not found."
+fi
+
+# checking ... stream editor utility
+if ! $SED --version >/dev/null 2>&1; then
+ log_failure_msg "$0: error: $SED utility not found."
+fi
+
+# checking ... delete characters utility
+if ! $TR --version >/dev/null 2>&1; then
+ log_failure_msg "$0: error: $TR utility not found."
+fi
+
+# checking ... display a tree of processes utility
+if ! $PSTREE --version >/dev/null 2>&1; then
+ log_failure_msg "$0: error: $PSTREE utility not found."
+fi
+
+# checking ... report a snapshot of the current processes utility.
+if ! $PS --version >/dev/null 2>&1; then
+ log_failure_msg "$0: error: $PS utility not found."
+fi
+
+# checking pid log file.
+if [ ! -f $PIDLOG ]; then
+ log_failure_msg "$0: error: $PIDLOG file not found."
+ exit 1;
+fi
+
+# get the loolwsd process id.
+LOOLWSD_PID=$(cat $PIDLOG);
+
+# checking if loolwsd is running.
+if ! $PS -p $LOOLWSD_PID > /dev/null; then
+ log_failure_msg "$0: error: loolwsd is not running."
+ exit 1;
+fi
+
+# display a tree of processes.
+$PSTREE -a -c -h -A -p $LOOLWSD_PID;
+
+# get the number of running processes.
+PROCESS=$($PSTREE -a -h -A -p $LOOLWSD_PID | $SED -e "s/\`//g" | $TR -d ' |-'
| $GREP -o '^loolwsd,' | $WC -l);
+
+# get the number of running threads.
+THREADS=$($PSTREE -a -h -A -p $LOOLWSD_PID | $SED -e "s/\`//g" | $TR -d ' |-'
| $GREP -o '{loolwsd}' | $WC -l);
+
+# get the number of processes swapped out.
+SWAPPEDOUT=$($PSTREE -a -h -A -p $LOOLWSD_PID | $SED -e "s/\`//g" | $TR -d '
|-' | $GREP -o '(loolwsd,' | $WC -l);
+
+# display report stats
+printf "\n %-10s\n" "LOOLWSD STATS";
+printf "==========================\n";
+printf " %-10s %d\n" "Running process:" "$PROCESS";
+printf " %-10s %d\n" "Running threads:" "$THREADS";
+printf " %-10s %d\n" "Process swapped out:" "$SWAPPEDOUT";
+
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