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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-01-10 16:31:54 +0100 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-02-20 15:20:32 +0100 |
| commit | 65ba3d2425bf51165b6e88509c632bd15d12883d (patch) | |
| tree | 63f796a78d0ff8b0ce5d635f10d9e543af89bab3 /fs/nfs/callback_xdr.c | |
| parent | nfsd: move reply cache initialization into nfsd startup (diff) | |
| download | linux-65ba3d2425bf51165b6e88509c632bd15d12883d.tar.xz linux-65ba3d2425bf51165b6e88509c632bd15d12883d.zip | |
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/nfs/callback_xdr.c')
| -rw-r--r-- | fs/nfs/callback_xdr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 13b2af55497d..321af81c456e 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -1069,7 +1069,8 @@ static const struct svc_procedure nfs4_callback_procedures1[] = { } }; -static unsigned int nfs4_callback_count1[ARRAY_SIZE(nfs4_callback_procedures1)]; +static DEFINE_PER_CPU_ALIGNED(unsigned long, + nfs4_callback_count1[ARRAY_SIZE(nfs4_callback_procedures1)]); const struct svc_version nfs4_callback_version1 = { .vs_vers = 1, .vs_nproc = ARRAY_SIZE(nfs4_callback_procedures1), @@ -1081,7 +1082,8 @@ const struct svc_version nfs4_callback_version1 = { .vs_need_cong_ctrl = true, }; -static unsigned int nfs4_callback_count4[ARRAY_SIZE(nfs4_callback_procedures1)]; +static DEFINE_PER_CPU_ALIGNED(unsigned long, + nfs4_callback_count4[ARRAY_SIZE(nfs4_callback_procedures1)]); const struct svc_version nfs4_callback_version4 = { .vs_vers = 4, .vs_nproc = ARRAY_SIZE(nfs4_callback_procedures1), |