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| author | Chuck Lever <chuck.lever@oracle.com> | 2022-07-08 21:26:49 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-07-30 03:16:07 +0300 |
| commit | b40a2839470cd62ed68c4a32d72a18ee8975b1ac (patch) | |
| tree | 5fa4827b0bcbcebd1d278045864f78e34830cffe /fs/nfsd/trace.h | |
| parent | be0230069fcbf7d332d010b57c1d0cfd623a84d6 (diff) | |
| download | linux-b40a2839470cd62ed68c4a32d72a18ee8975b1ac.tar.xz | |
NFSD: Move nfsd_file_trace_alloc() tracepoint
Avoid recording the allocation of an nfsd_file item that is
immediately released because a matching item was already
inserted in the hash.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/trace.h')
| -rw-r--r-- | fs/nfsd/trace.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 6bbfb987271d..9ebd67d461f9 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -774,12 +774,35 @@ DEFINE_EVENT(nfsd_file_class, name, \ TP_PROTO(struct nfsd_file *nf), \ TP_ARGS(nf)) -DEFINE_NFSD_FILE_EVENT(nfsd_file_alloc); DEFINE_NFSD_FILE_EVENT(nfsd_file_put_final); DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash); DEFINE_NFSD_FILE_EVENT(nfsd_file_put); DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash_and_dispose); +TRACE_EVENT(nfsd_file_alloc, + TP_PROTO( + const struct nfsd_file *nf + ), + TP_ARGS(nf), + TP_STRUCT__entry( + __field(const void *, nf_inode) + __field(unsigned long, nf_flags) + __field(unsigned long, nf_may) + __field(unsigned int, nf_ref) + ), + TP_fast_assign( + __entry->nf_inode = nf->nf_inode; + __entry->nf_flags = nf->nf_flags; + __entry->nf_ref = refcount_read(&nf->nf_ref); + __entry->nf_may = nf->nf_may; + ), + TP_printk("inode=%p ref=%u flags=%s may=%s", + __entry->nf_inode, __entry->nf_ref, + show_nf_flags(__entry->nf_flags), + show_nfsd_may_flags(__entry->nf_may) + ) +); + TRACE_EVENT(nfsd_file_acquire, TP_PROTO( const struct svc_rqst *rqstp, |