52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* RDMA Transport Layer
|
|
*
|
|
* Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
|
|
* Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
|
|
* Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved.
|
|
*/
|
|
#undef pr_fmt
|
|
#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt
|
|
|
|
#include "rtrs-srv.h"
|
|
|
|
int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable)
|
|
{
|
|
if (enable) {
|
|
int cpu;
|
|
struct rtrs_srv_stats_rdma_stats *r;
|
|
|
|
for_each_possible_cpu(cpu) {
|
|
r = per_cpu_ptr(stats->rdma_stats, cpu);
|
|
memset(r, 0, sizeof(*r));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats, char *page)
|
|
{
|
|
int cpu;
|
|
struct rtrs_srv_stats_rdma_stats sum;
|
|
struct rtrs_srv_stats_rdma_stats *r;
|
|
|
|
memset(&sum, 0, sizeof(sum));
|
|
|
|
for_each_possible_cpu(cpu) {
|
|
r = per_cpu_ptr(stats->rdma_stats, cpu);
|
|
|
|
sum.dir[READ].cnt += r->dir[READ].cnt;
|
|
sum.dir[READ].size_total += r->dir[READ].size_total;
|
|
sum.dir[WRITE].cnt += r->dir[WRITE].cnt;
|
|
sum.dir[WRITE].size_total += r->dir[WRITE].size_total;
|
|
}
|
|
|
|
return sysfs_emit(page, "%llu %llu %llu %llu\n",
|
|
sum.dir[READ].cnt, sum.dir[READ].size_total,
|
|
sum.dir[WRITE].cnt, sum.dir[WRITE].size_total);
|
|
}
|