Added top-ext3times.stp

1 files changed, 51 insertions, 0 deletions

diff --git a/top-ext3times.stp b/top-ext3times.stp
new file mode 100755
index 0000000..25b5336
--- /dev/null
+++ b/top-ext3times.stp
@@ -0,0 +1,51 @@
+#!/usr/bin/env stap
+
+global timebyfunc, topave, topcnt
+global start
+
+probe begin {
+	printf("Collecting data...\n")
+}
+
+probe module("ext3").function("*@fs/ext3/*")
+{
+	start[probefunc(), tid()] = gettimeofday_ns()
+}
+probe module("ext3").function("*@fs/ext3/*").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 {
+	print_header()
+	foreach (call in timebyfunc)
+		topave[call] = @avg(timebyfunc[call])
+	foreach (call in timebyfunc)
+		topcnt[call] = @count(timebyfunc[call])
+	foreach (call in topcnt- )
+		printf("%-26s %10d %12d %12d %12d %12d\n", call,
+			@count(timebyfunc[call]),
+			@sum(timebyfunc[call]),
+			@avg(timebyfunc[call]),
+			@min(timebyfunc[call]),
+			@max(timebyfunc[call]))
+	//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
+}
+