From 6a02e45e947a043ec4790dc42194bf020720ed5e Mon Sep 17 00:00:00 2001
From: ddomingo <ddomingo@redhat.com>
Date: Wed, 29 Oct 2008 12:05:46 +1000
Subject: adding new simple files to docbook local folder

---
 .../en-US/extras/inodewatch-simple.stp             | 11 ++++++
 .../en-US/extras/inodewatch2-simple.stp            | 12 +++++++
 .../en-US/extras/para-callgraph-simple.stp         | 40 ++++++++++++++++++++++
 .../en-US/extras/traceio2-simple.stp               |  8 +++++
 4 files changed, 71 insertions(+)
 create mode 100644 doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch-simple.stp
 create mode 100644 doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch2-simple.stp
 create mode 100755 doc/SystemTap_Beginners_Guide/en-US/extras/para-callgraph-simple.stp
 create mode 100755 doc/SystemTap_Beginners_Guide/en-US/extras/traceio2-simple.stp

(limited to 'doc/SystemTap_Beginners_Guide/en-US')

diff --git a/doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch-simple.stp b/doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch-simple.stp
new file mode 100644
index 00000000..5f81008d
--- /dev/null
+++ b/doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch-simple.stp
@@ -0,0 +1,11 @@
+probe kernel.function ("vfs_write"),
+      kernel.function ("vfs_read")
+{
+  dev_nr = $file->f_dentry->d_inode->i_sb->s_dev
+  inode_nr = $file->f_dentry->d_inode->i_ino
+  if (dev_nr == ($1 << 20 | $2) # major/minor device
+      && inode_nr == $3)
+    printf ("%s(%d) %s 0x%x/%u\n",
+      execname(), pid(), probefunc(), dev_nr, inode_nr)
+}
+ stap -p4 para-callgraph.stp sys_read '*@fs/*.c'
diff --git a/doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch2-simple.stp b/doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch2-simple.stp
new file mode 100644
index 00000000..4fea18e6
--- /dev/null
+++ b/doc/SystemTap_Beginners_Guide/en-US/extras/inodewatch2-simple.stp
@@ -0,0 +1,12 @@
+global ATTR_MODE = 1
+
+probe kernel.function("inode_setattr") {
+  dev_nr = $inode->i_sb->s_dev
+  inode_nr = $inode->i_ino
+
+  if (dev_nr == ($1 << 20 | $2) # major/minor device
+      && inode_nr == $3
+      && $attr->ia_valid & ATTR_MODE)
+    printf ("%s(%d) %s 0x%x/%u %o %d\n",
+      execname(), pid(), probefunc(), dev_nr, inode_nr, $attr->ia_mode, uid())
+}
diff --git a/doc/SystemTap_Beginners_Guide/en-US/extras/para-callgraph-simple.stp b/doc/SystemTap_Beginners_Guide/en-US/extras/para-callgraph-simple.stp
new file mode 100755
index 00000000..17cf50a5
--- /dev/null
+++ b/doc/SystemTap_Beginners_Guide/en-US/extras/para-callgraph-simple.stp
@@ -0,0 +1,40 @@
+function trace(entry_p) {
+   if(tid() in trace)
+       printf("%s%s%s\n",thread_indent(entry_p),
+                         (entry_p>0?"->":"<-"),
+                         probefunc())
+}
+
+global trace
+probe kernel.function(@1).call {
+   if (execname() == "stapio") next # skip our own helper process
+   trace[tid()] = 1
+   trace(1)
+}
+probe kernel.function(@1).return {
+   trace(-1)
+   delete trace[tid()]
+}
+
+probe kernel.function(@2).call { trace(1) }
+probe kernel.function(@2).return { trace(-1) }
+function trace(entry_p) {
+   if(tid() in trace)
+       printf("%s%s%s\n",thread_indent(entry_p),
+                         (entry_p>0?"->":"<-"),
+                         probefunc())
+}
+
+global trace
+probe kernel.function(@1).call {
+   if (execname() == "stapio") next # skip our own helper process
+   trace[tid()] = 1
+   trace(1)
+}
+probe kernel.function(@1).return {
+   trace(-1)
+   delete trace[tid()]
+}
+
+probe kernel.function(@2).call { trace(1) }
+probe kernel.function(@2).return { trace(-1) }
diff --git a/doc/SystemTap_Beginners_Guide/en-US/extras/traceio2-simple.stp b/doc/SystemTap_Beginners_Guide/en-US/extras/traceio2-simple.stp
new file mode 100755
index 00000000..7b9708a9
--- /dev/null
+++ b/doc/SystemTap_Beginners_Guide/en-US/extras/traceio2-simple.stp
@@ -0,0 +1,8 @@
+probe kernel.function ("vfs_write"),
+kernel.function ("vfs_read")
+{
+dev_nr = $file->f_dentry->d_inode->i_sb->s_dev
+inode_nr = $file->f_dentry->d_inode->i_ino
+if (dev_nr == ($1 << 20 | $2))
+printf ("%s(%d) %s 0x%x\n", execname(), pid(), probefunc(), dev_nr)
+}
-- 
cgit