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Code Issues Releases Wiki Activity

NFSD: Remove nfsd_drc_gc() tracepoint

Browse source 
This trace point was for debugging the DRC's garbage collection. In
the field it's just noise.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2023-11-13 08:45:07 -05:00
parent ce7df05508
commit d0ab8b649b
2 changed files with 1 additions and 27 deletions
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6
fs/nfsd/nfscache.c
View file

@ -364,8 +364,6 @@ nfsd_reply_cache_scan(struct shrinker *shrink, struct shrink_control *sc)
if (freed > sc->nr_to_scan)
break;
}
trace_nfsd_drc_gc(nn, freed);
return freed;
}
@ -508,7 +506,6 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
__wsum csum;
struct nfsd_drc_bucket *b;
int type = rqstp->rq_cachetype;
unsigned long freed;
LIST_HEAD(dispose);
int rtn = RC_DOIT;
@ -538,8 +535,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp, unsigned int start,
nfsd_prune_bucket_locked(nn, b, 3, &dispose);
spin_unlock(&b->cache_lock);
freed = nfsd_cacherep_dispose(&dispose);
trace_nfsd_drc_gc(nn, freed);
nfsd_cacherep_dispose(&dispose);
nfsd_stats_rc_misses_inc();
atomic_inc(&nn->num_drc_entries);

22
fs/nfsd/trace.h
View file

@ -1262,28 +1262,6 @@ TRACE_EVENT(nfsd_drc_mismatch,
__entry->ingress)
);
TRACE_EVENT_CONDITION(nfsd_drc_gc,
TP_PROTO(
const struct nfsd_net *nn,
unsigned long freed
),
TP_ARGS(nn, freed),
TP_CONDITION(freed > 0),
TP_STRUCT__entry(
__field(unsigned long long, boot_time)
__field(unsigned long, freed)
__field(int, total)
),
TP_fast_assign(
__entry->boot_time = nn->boot_time;
__entry->freed = freed;
__entry->total = atomic_read(&nn->num_drc_entries);
),
TP_printk("boot_time=%16llx total=%d freed=%lu",
__entry->boot_time, __entry->total, __entry->freed
)
);
TRACE_EVENT(nfsd_cb_args,
TP_PROTO(
const struct nfs4_client *clp,