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| author | guanglei <guanglei> | 2006-08-25 10:19:20 +0000 |
|---|---|---|
| committer | guanglei <guanglei> | 2006-08-25 10:19:20 +0000 |
| commit | 30da8acfcbaef6bf88d806b8ded4195b88df7f39 (patch) | |
| tree | 944d7eebe98b428e9ab2b908a6605e6a6fbd4c65 /tapset/vfs.stp | |
| parent | 6811f21e6c6bd1e2b647521617cfcffe98057b67 (diff) | |
| download | systemtap-steved-30da8acfcbaef6bf88d806b8ded4195b88df7f39.tar.gz systemtap-steved-30da8acfcbaef6bf88d806b8ded4195b88df7f39.tar.xz systemtap-steved-30da8acfcbaef6bf88d806b8ded4195b88df7f39.zip | |
bug fix and more error checking for nfs tapsets
Diffstat (limited to 'tapset/vfs.stp')
| -rw-r--r-- | tapset/vfs.stp | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/tapset/vfs.stp b/tapset/vfs.stp index 94535fe7..4334f7c5 100644 --- a/tapset/vfs.stp +++ b/tapset/vfs.stp @@ -72,11 +72,11 @@ deref_fault: function __page_bdev:long (page:long) %{ /* pure */ struct page *page = (struct page *)(long)THIS->page; if ((page == NULL) || (page->mapping == NULL)) { - THIS->__retvalue = -1; + THIS->__retvalue = 0; return; } THIS->__retvalue = deref(sizeof(page->mapping->host->i_sb->s_bdev), - &(page->mapping->host->i_sb->s_dev)); + &(page->mapping->host->i_sb->s_bdev)); if (0) { deref_fault: CONTEXT->last_error = "pointer dereference fault"; @@ -137,9 +137,10 @@ probe generic.fop.aio_write = kernel.function ("generic_file_aio_write") count = $count pos = $pos + buf = $buf name = "generic_file_aio_write" - argstr = sprintf("%d, %d", count, pos) + argstr = sprintf("%d, %d ,%p", count, pos,buf) size = count units = "bytes" @@ -238,10 +239,10 @@ probe generic.fop.open = kernel.function ("generic_file_open") filename = kernel_string($filp->f_dentry->d_name->name) flag = $filp->f_flags - size = $inode->size + size = $inode->i_size name = "generic_file_open" - argstr = sprintf("%d, %s", ino, flag, filename) + argstr = sprintf("%d,%d, %s", ino, flag, filename) } probe generic.fop.open.return = kernel.function ("generic_file_open").return { @@ -432,9 +433,10 @@ probe vfs.do_sync_write = kernel.function ("do_sync_write") len = $len pos = ppos_pos($ppos) + buf = $buf name = "do_sync_write" - argstr = sprintf("%d, %d", len, pos) + argstr = sprintf("%d, %d , %p", len, pos, buf) size = len units = "bytes" @@ -476,9 +478,9 @@ probe vfs.block_sync_page.return = kernel.function ("block_sync_page").return probe vfs.buffer_migrate_page = kernel.function ("buffer_migrate_page") { - dev = $page->mapping->host->i_sb->s_dev - devname = __find_bdevname(dev, $page->mapping->host->i_sb->s_dev) - ino = $page->mapping->host->i_ino + dev = __page_dev($page) + ino = __page_ino($page) + devname = __find_bdevname(dev,__page_bdev($page)) page_index = $page->index |