From e1d96810d0c2c1da6ec36eb81c642bcc6cf420c8 Mon Sep 17 00:00:00 2001
From: hunt <hunt>
Date: Mon, 20 Mar 2006 16:05:24 +0000
Subject: *** empty log message ***

---
 examples/small_demos/kmalloc.stp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 examples/small_demos/kmalloc.stp

(limited to 'examples/small_demos/kmalloc.stp')

diff --git a/examples/small_demos/kmalloc.stp b/examples/small_demos/kmalloc.stp
new file mode 100755
index 00000000..9157928d
--- /dev/null
+++ b/examples/small_demos/kmalloc.stp
@@ -0,0 +1,22 @@
+#! /usr/bin/env stap
+
+# Using statistics to examine kernel memory allocations
+
+global kmalloc
+
+probe kernel.function("__kmalloc") { 
+	kmalloc <<< $size
+}
+
+# Exit after 10 seconds
+probe timer.ms(10000) { exit () }
+
+probe end {
+	printf("Count:   %d allocations\n", @count(kmalloc))
+	printf("Sum:     %d Kbytes\n", @sum(kmalloc)/1000)
+	printf("Average: %d bytes\n", @avg(kmalloc))
+	printf("Min:     %d bytes\n", @min(kmalloc))
+	printf("Max:     %d bytes\n", @max(kmalloc))	
+	print("\nAllocations by size in bytes\n")
+	print(@hist_log(kmalloc))
+}
-- 
cgit