Added in some more files

Signed-off-by: Steve Dickson <steved@redhat.com>

1 files changed, 177 insertions, 0 deletions

diff --git a/kernelcalltimes b/kernelcalltimes
new file mode 100755
index 0000000..0f88caf
--- /dev/null
+++ b/kernelcalltimes
@@ -0,0 +1,177 @@
+#!/bin/bash
+do_sort=0
+sort_ave=0
+sort_cnt=0
+sort_min=0
+sort_max=0
+sort_tot=0
+show_all=1
+pname=""
+verbose=""
+function usage {
+	echo "Usage: ext3calltimes [-Aachnmtv]"
+	echo "    -A - Do all possible sorting"
+	echo "    -a - sort by Ave ns"
+	echo "    -c - sort by Count"
+	echo "    -n - sort by Min ns" 
+	echo "    -m - sort by Max ns"
+	echo "    -p - process name to monitor"
+	echo "    -t - sort by Total ns"
+	echo "    -v - turn on SystemTap debugging"
+	echo "    -h - print this help text"
+}
+while getopts Aachnmp:tv option; do
+	case $option in
+	A) sort_ave=1;  sort_cnt=1;  sort_min=1; 
+		sort_max=1;  sort_tot=1; do_sort=1;;
+	a) sort_ave=1; do_sort=1;;
+	c) sort_cnt=1; do_sort=1 ;;
+	n) sort_min=1; do_sort=1 ;;
+	m) sort_max=1; do_sort=1 ;;
+	p) pname=$OPTARG;;
+	t) sort_tot=1; do_sort=1 ;;
+	v) verbose="-v "$verbose ;;
+	h|?|*)  usage
+		exit 1;;
+	esac
+done
+
+if [ $do_sort -eq 1 ]; then
+	show_all=0
+fi
+echo "Creating and building SystemTap module..."
+
+stap "$verbose" -e '
+global timebyfunc, top
+global start, pname_str
+
+probe begin {
+	pname_str = "'$pname'"
+	if (pname_str != "") {
+		printf("Collecting ext3 data on '%s' - type Ctrl-C to print output and exit...\n", pname_str);
+	} else
+		printf("Collecting ext3 data - type Ctrl-C to print output and exit...\n")
+}
+
+probe kernel.function("*@mm/readahead.c")
+{
+	if (pname_str != "")  {
+		if (execname() ==  pname_str) 
+			start[probefunc(), tid()] = gettimeofday_ns()
+	} else
+		start[probefunc(), tid()] = gettimeofday_ns()
+}
+probe kernel.function("*@mm/readahead.c").return
+{
+	if (!([probefunc(), tid()] in start)) next
+
+	delta = gettimeofday_ns() -  start[probefunc(), tid()]
+	timebyfunc[probefunc()] <<< delta
+	
+	delete start[probefunc(), tid()]
+}
+probe kernel.function("*@mm/filemap.c")
+{
+	if (pname_str != "")  {
+		if (execname() ==  pname_str) 
+			start[probefunc(), tid()] = gettimeofday_ns()
+	} else
+		start[probefunc(), tid()] = gettimeofday_ns()
+}
+probe kernel.function("*@mm/filemap.c").return
+{
+	if (!([probefunc(), tid()] in start)) next
+
+	delta = gettimeofday_ns() -  start[probefunc(), tid()]
+	timebyfunc[probefunc()] <<< delta
+	
+	delete start[probefunc(), tid()]
+}
+function print_header() {
+	printf("%-26s %10s %12s %12s %12s %12s\n",
+	       "Call", "Count", "Total ns",
+	       "Avg ns", "Min ns", "Max ns")
+}
+probe end {
+	if ('$sort_ave' != 0) {
+		printf("\nSorted ext3 data by Avg ns \n")
+		print_header()
+		foreach (call in timebyfunc)
+			top[call] = @avg(timebyfunc[call])
+		foreach (call in top- limit 20)
+			printf("%-26s %10d %12d %12d %12d %12d\n", call,
+				@count(timebyfunc[call]),
+				@sum(timebyfunc[call]),
+				@avg(timebyfunc[call]),
+				@min(timebyfunc[call]),
+				@max(timebyfunc[call]))
+		delete top
+	}
+	if ('$sort_cnt' != 0) {
+		printf("\nSorted ext3 data by Count\n")
+		print_header()
+		foreach (call in timebyfunc)
+			top[call] = @count(timebyfunc[call])
+		foreach (call in top- limit 20)
+			printf("%-26s %10d %12d %12d %12d %12d\n", call,
+				@count(timebyfunc[call]),
+				@sum(timebyfunc[call]),
+				@avg(timebyfunc[call]),
+				@min(timebyfunc[call]),
+				@max(timebyfunc[call]))
+		delete top
+	}
+	if ('$sort_tot' != 0) {
+		printf("\nSorted ext3 data by Total ns\n")
+		print_header()
+		foreach (call in timebyfunc)
+			top[call] = @sum(timebyfunc[call])
+		foreach (call in top- limit 20)
+			printf("%-26s %10d %12d %12d %12d %12d\n", call,
+				@count(timebyfunc[call]),
+				@sum(timebyfunc[call]),
+				@avg(timebyfunc[call]),
+				@min(timebyfunc[call]),
+				@max(timebyfunc[call]))
+		delete top
+	}
+	if ('$sort_min' != 0) {
+		printf("\nSorted ext3 data by Min ns\n")
+		print_header()
+		foreach (call in timebyfunc)
+			top[call] = @min(timebyfunc[call])
+		foreach (call in top- limit 20)
+			printf("%-26s %10d %12d %12d %12d %12d\n", call,
+				@count(timebyfunc[call]),
+				@sum(timebyfunc[call]),
+				@avg(timebyfunc[call]),
+				@min(timebyfunc[call]),
+				@max(timebyfunc[call]))
+		delete top
+	}
+	if ('$sort_max' != 0) {
+		printf("\nSorted ext3 data by Max ns\n")
+		print_header()
+		foreach (call in timebyfunc)
+			top[call] = @min(timebyfunc[call])
+		foreach (call in top- limit 20)
+			printf("%-26s %10d %12d %12d %12d %12d\n", call,
+				@count(timebyfunc[call]),
+				@sum(timebyfunc[call]),
+				@avg(timebyfunc[call]),
+				@min(timebyfunc[call]),
+				@max(timebyfunc[call]))
+		delete top
+	}
+	if ('$show_all' != 0) {
+		print_header()
+		foreach (call in timebyfunc)
+			printf("%-26s %10d %12d %12d %12d %12d\n", call,
+				@count(timebyfunc[call]),
+				@sum(timebyfunc[call]),
+				@avg(timebyfunc[call]),
+				@min(timebyfunc[call]),
+				@max(timebyfunc[call]))
+	}
+	delete timebyfunc
+}'