diff options
Diffstat (limited to 'drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c')
-rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c index 5e780bdd763d..f7e459fe68be 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c @@ -37,46 +37,50 @@ void rtrs_clt_inc_failover_cnt(struct rtrs_clt_stats *stats) s->rdma.failover_cnt++; } -int rtrs_clt_stats_migration_cnt_to_str(struct rtrs_clt_stats *stats, - char *buf, size_t len) +int rtrs_clt_stats_migration_from_cnt_to_str(struct rtrs_clt_stats *stats, char *buf) { struct rtrs_clt_stats_pcpu *s; size_t used; int cpu; - used = scnprintf(buf, len, " "); - for_each_possible_cpu(cpu) - used += scnprintf(buf + used, len - used, " CPU%u", cpu); - - used += scnprintf(buf + used, len - used, "\nfrom:"); + used = 0; for_each_possible_cpu(cpu) { s = per_cpu_ptr(stats->pcpu_stats, cpu); - used += scnprintf(buf + used, len - used, " %d", + used += sysfs_emit_at(buf, used, "%d ", atomic_read(&s->cpu_migr.from)); } - used += scnprintf(buf + used, len - used, "\nto :"); + used += sysfs_emit_at(buf, used, "\n"); + + return used; +} + +int rtrs_clt_stats_migration_to_cnt_to_str(struct rtrs_clt_stats *stats, char *buf) +{ + struct rtrs_clt_stats_pcpu *s; + + size_t used; + int cpu; + + used = 0; for_each_possible_cpu(cpu) { s = per_cpu_ptr(stats->pcpu_stats, cpu); - used += scnprintf(buf + used, len - used, " %d", - s->cpu_migr.to); + used += sysfs_emit_at(buf, used, "%d ", s->cpu_migr.to); } - used += scnprintf(buf + used, len - used, "\n"); + + used += sysfs_emit_at(buf, used, "\n"); return used; } -int rtrs_clt_stats_reconnects_to_str(struct rtrs_clt_stats *stats, char *buf, - size_t len) +int rtrs_clt_stats_reconnects_to_str(struct rtrs_clt_stats *stats, char *buf) { - return scnprintf(buf, len, "%d %d\n", - stats->reconnects.successful_cnt, - stats->reconnects.fail_cnt); + return sysfs_emit(buf, "%d %d\n", stats->reconnects.successful_cnt, + stats->reconnects.fail_cnt); } -ssize_t rtrs_clt_stats_rdma_to_str(struct rtrs_clt_stats *stats, - char *page, size_t len) +ssize_t rtrs_clt_stats_rdma_to_str(struct rtrs_clt_stats *stats, char *page) { struct rtrs_clt_stats_rdma sum; struct rtrs_clt_stats_rdma *r; @@ -94,16 +98,15 @@ ssize_t rtrs_clt_stats_rdma_to_str(struct rtrs_clt_stats *stats, sum.failover_cnt += r->failover_cnt; } - return scnprintf(page, len, "%llu %llu %llu %llu %u %llu\n", + return sysfs_emit(page, "%llu %llu %llu %llu %u %llu\n", sum.dir[READ].cnt, sum.dir[READ].size_total, sum.dir[WRITE].cnt, sum.dir[WRITE].size_total, atomic_read(&stats->inflight), sum.failover_cnt); } -ssize_t rtrs_clt_reset_all_help(struct rtrs_clt_stats *s, - char *page, size_t len) +ssize_t rtrs_clt_reset_all_help(struct rtrs_clt_stats *s, char *page) { - return scnprintf(page, len, "echo 1 to reset all statistics\n"); + return sysfs_emit(page, "echo 1 to reset all statistics\n"); } int rtrs_clt_reset_rdma_stats(struct rtrs_clt_stats *stats, bool enable) |