diff options
Diffstat (limited to 'testsuite/systemtap.examples')
| -rw-r--r-- | testsuite/systemtap.examples/io/traceio2-simple.meta | 13 | ||||
| -rwxr-xr-x | testsuite/systemtap.examples/io/traceio2-simple.stp | 8 |
2 files changed, 21 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/io/traceio2-simple.meta b/testsuite/systemtap.examples/io/traceio2-simple.meta new file mode 100644 index 00000000..558539e3 --- /dev/null +++ b/testsuite/systemtap.examples/io/traceio2-simple.meta @@ -0,0 +1,13 @@ +title: Watch I/O Activity on a Particular Device Simplified +name: traceio2-simple.stp +version: 1.0 +author: Red Hat +keywords: io +subsystem: io +status: production +exit: user-controlled +output: trace +scope: system-wide +description: Print out the executable name and process number as reads and writes to the specified device occur. +test_check: stap -p4 traceio2.stp 8 5 +test_installcheck: stap traceio2.stp 8 5 -c "sleep 1" diff --git a/testsuite/systemtap.examples/io/traceio2-simple.stp b/testsuite/systemtap.examples/io/traceio2-simple.stp new file mode 100755 index 00000000..ed5efdd1 --- /dev/null +++ b/testsuite/systemtap.examples/io/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) +} |