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| author |   Dave Wysochanski <dwysocha@redhat.com> | 2022-03-01 14:37:26 -0500 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-03-13 12:59:35 -0400 |
| commit | e3f0a7fe698ff0d3ef428f72ba253fd1f377c193 (patch) | |
| tree | 207879e5a4e71c34c545955f7ec34169f77ad439 /fs/nfs/nfstrace.h | |
| parent | NFS: Rename fscache read and write pages functions (diff) | |
| download | linux-dev-e3f0a7fe698ff0d3ef428f72ba253fd1f377c193.tar.xz linux-dev-e3f0a7fe698ff0d3ef428f72ba253fd1f377c193.zip | |
NFS: Replace dfprintks with tracepoints in fscache read and write page functions
Most of fscache and other NFS IO paths are now using tracepoints.
Remove the dfprintks in the NFS fscache read/write page functions
and replace with tracepoints at the begin and end of the functions.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/nfstrace.h')
| -rw-r--r-- | fs/nfs/nfstrace.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index 59f4ca803fd0..012bd7339862 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -1215,6 +1215,97 @@ TRACE_EVENT(nfs_readpage_short, ) ); +DECLARE_EVENT_CLASS(nfs_fscache_page_event, + TP_PROTO( + const struct inode *inode, + struct page *page + ), + + TP_ARGS(inode, page), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(u32, fhandle) + __field(u64, fileid) + __field(loff_t, offset) + ), + + TP_fast_assign( + const struct nfs_inode *nfsi = NFS_I(inode); + const struct nfs_fh *fh = &nfsi->fh; + + __entry->offset = page_index(page) << PAGE_SHIFT; + __entry->dev = inode->i_sb->s_dev; + __entry->fileid = nfsi->fileid; + __entry->fhandle = nfs_fhandle_hash(fh); + ), + + TP_printk( + "fileid=%02x:%02x:%llu fhandle=0x%08x " + "offset=%lld", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long long)__entry->fileid, + __entry->fhandle, + (long long)__entry->offset + ) +); +DECLARE_EVENT_CLASS(nfs_fscache_page_event_done, + TP_PROTO( + const struct inode *inode, + struct page *page, + int error + ), + + TP_ARGS(inode, page, error), + + TP_STRUCT__entry( + __field(int, error) + __field(dev_t, dev) + __field(u32, fhandle) + __field(u64, fileid) + __field(loff_t, offset) + ), + + TP_fast_assign( + const struct nfs_inode *nfsi = NFS_I(inode); + const struct nfs_fh *fh = &nfsi->fh; + + __entry->offset = page_index(page) << PAGE_SHIFT; + __entry->dev = inode->i_sb->s_dev; + __entry->fileid = nfsi->fileid; + __entry->fhandle = nfs_fhandle_hash(fh); + __entry->error = error; + ), + + TP_printk( + "fileid=%02x:%02x:%llu fhandle=0x%08x " + "offset=%lld error=%d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long long)__entry->fileid, + __entry->fhandle, + (long long)__entry->offset, __entry->error + ) +); +#define DEFINE_NFS_FSCACHE_PAGE_EVENT(name) \ + DEFINE_EVENT(nfs_fscache_page_event, name, \ + TP_PROTO( \ + const struct inode *inode, \ + struct page *page \ + ), \ + TP_ARGS(inode, page)) +#define DEFINE_NFS_FSCACHE_PAGE_EVENT_DONE(name) \ + DEFINE_EVENT(nfs_fscache_page_event_done, name, \ + TP_PROTO( \ + const struct inode *inode, \ + struct page *page, \ + int error \ + ), \ + TP_ARGS(inode, page, error)) +DEFINE_NFS_FSCACHE_PAGE_EVENT(nfs_fscache_read_page); +DEFINE_NFS_FSCACHE_PAGE_EVENT_DONE(nfs_fscache_read_page_exit); +DEFINE_NFS_FSCACHE_PAGE_EVENT(nfs_fscache_write_page); +DEFINE_NFS_FSCACHE_PAGE_EVENT_DONE(nfs_fscache_write_page_exit); + TRACE_EVENT(nfs_pgio_error, TP_PROTO( const struct nfs_pgio_header *hdr, |