diff options
| author | Dave Brolley <brolley@redhat.com> | 2008-08-08 15:15:19 -0400 |
|---|---|---|
| committer | Dave Brolley <brolley@redhat.com> | 2008-08-08 15:15:19 -0400 |
| commit | 71906647386a9684086b0542318b536d95ae089c (patch) | |
| tree | fb0348d7bb34095e95ad830da8e832bad9187a55 /testsuite/systemtap.examples/io/traceio2.stp | |
| parent | d5658775da9fa0ac792eb3f874df9f7c4d60de7e (diff) | |
| parent | f1118e1032612170cae8cd979cd529722ad95fdb (diff) | |
| download | systemtap-steved-71906647386a9684086b0542318b536d95ae089c.tar.gz systemtap-steved-71906647386a9684086b0542318b536d95ae089c.tar.xz systemtap-steved-71906647386a9684086b0542318b536d95ae089c.zip | |
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
Conflicts:
ChangeLog
testsuite/ChangeLog
Diffstat (limited to 'testsuite/systemtap.examples/io/traceio2.stp')
| -rw-r--r-- | testsuite/systemtap.examples/io/traceio2.stp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/io/traceio2.stp b/testsuite/systemtap.examples/io/traceio2.stp new file mode 100644 index 00000000..656c38b3 --- /dev/null +++ b/testsuite/systemtap.examples/io/traceio2.stp @@ -0,0 +1,20 @@ +global device_of_interest + +probe begin { + /* The following is not the most efficient way to do this. + One could directly put the result of usrdev2kerndev() + into device_of_interest. However, want to test out + the other device functions */ + dev = usrdev2kerndev($1) + device_of_interest = MKDEV(MAJOR(dev), MINOR(dev)) +} + +probe kernel.function ("vfs_write"), + kernel.function ("vfs_read") +{ + dev_nr = $file->f_path->dentry->d_inode->i_sb->s_dev + + if (dev_nr == device_of_interest) + printf ("%s(%d) %s 0x%x\n", + execname(), pid(), probefunc(), dev_nr) +} |