diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2023-01-10 18:31:54 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-02-20 17:20:32 +0300 |
| commit | 65ba3d2425bf51165b6e88509c632bd15d12883d (patch) | |
| tree | 63f796a78d0ff8b0ce5d635f10d9e543af89bab3 /net/sunrpc/stats.c | |
| parent | f5f9d4a314da88c0a5faa6d168bf69081b7a25ae (diff) | |
| download | linux-65ba3d2425bf51165b6e88509c632bd15d12883d.tar.xz | |
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 'net/sunrpc/stats.c')
| -rw-r--r-- | net/sunrpc/stats.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c index 52908f9e6eab..65fc1297c6df 100644 --- a/net/sunrpc/stats.c +++ b/net/sunrpc/stats.c @@ -83,7 +83,8 @@ void svc_seq_show(struct seq_file *seq, const struct svc_stat *statp) { const struct svc_program *prog = statp->program; const struct svc_version *vers; - unsigned int i, j; + unsigned int i, j, k; + unsigned long count; seq_printf(seq, "net %u %u %u %u\n", @@ -104,8 +105,12 @@ void svc_seq_show(struct seq_file *seq, const struct svc_stat *statp) if (!vers) continue; seq_printf(seq, "proc%d %u", i, vers->vs_nproc); - for (j = 0; j < vers->vs_nproc; j++) - seq_printf(seq, " %u", vers->vs_count[j]); + for (j = 0; j < vers->vs_nproc; j++) { + count = 0; + for_each_possible_cpu(k) + count += per_cpu(vers->vs_count[j], k); + seq_printf(seq, " %lu", count); + } seq_putc(seq, '\n'); } } |