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-rwxr-xr-xtestsuite/systemtap.examples/memory/mmanonpage.stp72
1 files changed, 72 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/memory/mmanonpage.stp b/testsuite/systemtap.examples/memory/mmanonpage.stp
new file mode 100755
index 00000000..8a78633f
--- /dev/null
+++ b/testsuite/systemtap.examples/memory/mmanonpage.stp
@@ -0,0 +1,72 @@
+#! /usr/bin/env stap
+
+global traced_pid, command
+global allocation, free
+global anon_fault, anon_usrfree, anon_pgin, anon_cow, anon_unmap
+
+function log_event:long ()
+{
+ return (!traced_pid || traced_pid == pid())
+}
+
+probe kernel.trace("mm_page_allocation") {
+ if (!log_event()) next
+ allocation[pid()] <<< 1
+ command[pid()] = execname()
+}
+
+probe kernel.trace("mm_page_free") {
+ if (!log_event()) next
+ free[pid()] <<< 1
+}
+
+probe kernel.trace("mm_anon_fault") {
+ if (!log_event()) next
+ anon_fault[pid()] <<< 1
+}
+
+probe kernel.trace("mm_anon_pgin") {
+ if (!log_event()) next
+ anon_pgin[pid()] <<< 1
+}
+
+probe kernel.trace("mm_anon_cow") {
+ if (!log_event()) next
+ anon_cow[pid()] <<< 1
+}
+
+probe kernel.trace("mm_anon_unmap") {
+ if (!log_event()) next
+ anon_unmap[pid()] <<< 1
+}
+
+probe kernel.trace("mm_anon_userfree") {
+ if (!log_event()) next
+ anon_usrfree[pid()] <<< 1
+}
+
+probe begin {
+ printf("Starting data collection\n")
+ traced_pid = target()
+ if (traced_pid)
+ printf("mode Specific Pid, traced pid: %d\n\n", traced_pid)
+ else
+ printf("mode - All Pids\n\n")
+}
+
+probe end {
+ printf("Terminating data collection\n")
+ printf("%-16s %6s %8s %7s %7s %7s %7s %7s %7s\n",
+ "Command", "Pid", "Alloc", "Free", "A_fault",
+ "A_ufree", "A_pgin", "A_cow", "A_unmap")
+ printf("%-16s %6s %8s %7s %7s %7s %7s %7s %7s\n",
+ "-------", "---", "-----", "----", "-------",
+ "-------", "------", "-----", "-------")
+ foreach (pid in allocation-)
+ printf("%-16s %6d %8d %7d %7d %7d %7d %7d %7d\n",
+ command[pid], pid,
+ @count(allocation[pid]), @count(free[pid]),
+ @count(anon_fault[pid]), @count(anon_usrfree[pid]),
+ @count(anon_pgin[pid]), @count(anon_cow[pid]),
+ @count(anon_unmap[pid]))
+}