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authorChuck Lever <chuck.lever@oracle.com>2023-01-10 10:31:54 -0500
committerChuck Lever <chuck.lever@oracle.com>2023-02-20 09:20:32 -0500
commit65ba3d2425bf51165b6e88509c632bd15d12883d (patch)
tree63f796a78d0ff8b0ce5d635f10d9e543af89bab3 /fs/lockd
parentf5f9d4a314da88c0a5faa6d168bf69081b7a25ae (diff)
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SUNRPC: Use per-CPU counters to tally server RPC counts
- Improves counting accuracy - Reduces cross-CPU memory traffic Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/svc.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 0b28a6cf9303..1da00230860c 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -721,7 +721,7 @@ out_encode_err:
/*
* Define NLM program and procedures
*/
-static unsigned int nlmsvc_version1_count[17];
+static DEFINE_PER_CPU_ALIGNED(unsigned long, nlmsvc_version1_count[17]);
static const struct svc_version nlmsvc_version1 = {
.vs_vers = 1,
.vs_nproc = 17,
@@ -730,26 +730,31 @@ static const struct svc_version nlmsvc_version1 = {
.vs_dispatch = nlmsvc_dispatch,
.vs_xdrsize = NLMSVC_XDRSIZE,
};
-static unsigned int nlmsvc_version3_count[24];
+
+static DEFINE_PER_CPU_ALIGNED(unsigned long,
+ nlmsvc_version3_count[ARRAY_SIZE(nlmsvc_procedures)]);
static const struct svc_version nlmsvc_version3 = {
.vs_vers = 3,
- .vs_nproc = 24,
+ .vs_nproc = ARRAY_SIZE(nlmsvc_procedures),
.vs_proc = nlmsvc_procedures,
.vs_count = nlmsvc_version3_count,
.vs_dispatch = nlmsvc_dispatch,
.vs_xdrsize = NLMSVC_XDRSIZE,
};
+
#ifdef CONFIG_LOCKD_V4
-static unsigned int nlmsvc_version4_count[24];
+static DEFINE_PER_CPU_ALIGNED(unsigned long,
+ nlmsvc_version4_count[ARRAY_SIZE(nlmsvc_procedures4)]);
static const struct svc_version nlmsvc_version4 = {
.vs_vers = 4,
- .vs_nproc = 24,
+ .vs_nproc = ARRAY_SIZE(nlmsvc_procedures4),
.vs_proc = nlmsvc_procedures4,
.vs_count = nlmsvc_version4_count,
.vs_dispatch = nlmsvc_dispatch,
.vs_xdrsize = NLMSVC_XDRSIZE,
};
#endif
+
static const struct svc_version *nlmsvc_version[] = {
[1] = &nlmsvc_version1,
[3] = &nlmsvc_version3,