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authorRajasekhar Duddu <rajduddu@linux.vnet.ibm.com>2009-12-21 17:10:54 +0530
committerTim Moore <timoore@redhat.com>2009-12-22 23:44:28 +0100
commit7f24dd744bc6dbef16024c2ec3cbb0ee8e0d4ee5 (patch)
tree49c2f67fc75515aa232b7904ca4e7d50a78b8352 /testsuite/systemtap.examples/memory/vm.tracepoints.stp
parent75dfa5cb9b3584995f9e634a6e769b8a1576bc0d (diff)
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Tracepoint based tapset for memory subsystem.
Diffstat (limited to 'testsuite/systemtap.examples/memory/vm.tracepoints.stp')
-rw-r--r--testsuite/systemtap.examples/memory/vm.tracepoints.stp18
1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/memory/vm.tracepoints.stp b/testsuite/systemtap.examples/memory/vm.tracepoints.stp
new file mode 100644
index 00000000..07cee6f5
--- /dev/null
+++ b/testsuite/systemtap.examples/memory/vm.tracepoints.stp
@@ -0,0 +1,18 @@
+global slabs
+
+probe vm.kmem_cache_alloc {
+ slabs [execname(), bytes_req]<<<1
+}
+
+probe timer.ms(10000)
+{
+ dummy = "";
+ foreach ([name, bytes] in slabs) {
+ if (dummy != name)
+ printf("\nProcess:%s\n", name);
+ printf("Slab_size:%d\tCount:%d\n", bytes, @count(slabs[name, bytes]));
+ dummy = name;
+ }
+ delete slabs
+ printf("\n-------------------------------------------------------\n\n")
+}