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| author | Chuck Lever <chuck.lever@oracle.com> | 2018-03-27 10:53:54 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2018-04-03 15:08:15 -0400 |
| commit | fff4080b2f1389ecf3028d72eb70e1837df48b01 (patch) | |
| tree | a5d1cc9ebca0828441b4196c789fb68b3133c242 /fs/nfsd/trace.h | |
| parent | 87c5942e8fae81ac296267654a047eb2db81592b (diff) | |
| download | linux-stable-fff4080b2f1389ecf3028d72eb70e1837df48b01.tar.gz linux-stable-fff4080b2f1389ecf3028d72eb70e1837df48b01.tar.bz2 linux-stable-fff4080b2f1389ecf3028d72eb70e1837df48b01.zip | |
nfsd: Trace NFSv4 COMPOUND execution
This helps record the identity and timing of the ops in each NFSv4
COMPOUND, replacing dprintk calls that did much the same thing.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/trace.h')
| -rw-r--r-- | fs/nfsd/trace.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index a8bbd9d00a9e..80933e4334d8 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -11,6 +11,45 @@ #include <linux/tracepoint.h> #include "nfsfh.h" +TRACE_EVENT(nfsd_compound, + TP_PROTO(const struct svc_rqst *rqst, + u32 args_opcnt), + TP_ARGS(rqst, args_opcnt), + TP_STRUCT__entry( + __field(u32, xid) + __field(u32, args_opcnt) + ), + TP_fast_assign( + __entry->xid = be32_to_cpu(rqst->rq_xid); + __entry->args_opcnt = args_opcnt; + ), + TP_printk("xid=0x%08x opcnt=%u", + __entry->xid, __entry->args_opcnt) +) + +TRACE_EVENT(nfsd_compound_status, + TP_PROTO(u32 args_opcnt, + u32 resp_opcnt, + __be32 status, + const char *name), + TP_ARGS(args_opcnt, resp_opcnt, status, name), + TP_STRUCT__entry( + __field(u32, args_opcnt) + __field(u32, resp_opcnt) + __field(int, status) + __string(name, name) + ), + TP_fast_assign( + __entry->args_opcnt = args_opcnt; + __entry->resp_opcnt = resp_opcnt; + __entry->status = be32_to_cpu(status); + __assign_str(name, name); + ), + TP_printk("op=%u/%u %s status=%d", + __entry->resp_opcnt, __entry->args_opcnt, + __get_str(name), __entry->status) +) + DECLARE_EVENT_CLASS(nfsd_io_class, TP_PROTO(struct svc_rqst *rqstp, struct svc_fh *fhp, |