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scsi: lpfc: Add per io channel NVME IO statistics

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When debugging various issues, per IO channel IO statistics were useful
to understand what was happening. However, many of the stats were on a
port basis rather than an io channel basis.

Move statistics to an io channel basis.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2018-04-09 14:24:23 -07:00
committed by Martin K. Petersen
parent f91bc594ba
commit 66a210ffb8
6 changed files with 174 additions and 92 deletions
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40
drivers/scsi/lpfc/lpfc_attr.c
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@@ -151,8 +151,11 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
struct lpfc_nvme_lport *lport;
struct lpfc_nodelist *ndlp;
struct nvme_fc_remote_port *nrport;
uint64_t data1, data2, data3, tot;
struct lpfc_nvme_ctrl_stat *cstat;
uint64_t data1, data2, data3;
uint64_t totin, totout, tot;
char *statep;
int i;
int len = 0;
if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
@@ -364,11 +367,14 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
}
spin_unlock_irq(shost->host_lock);
if (!lport)
return len;
len += snprintf(buf + len, PAGE_SIZE - len, "\nNVME Statistics\n");
len += snprintf(buf+len, PAGE_SIZE-len,
"LS: Xmt %010x Cmpl %010x Abort %08x\n",
atomic_read(&phba->fc4NvmeLsRequests),
atomic_read(&phba->fc4NvmeLsCmpls),
atomic_read(&lport->fc4NvmeLsRequests),
atomic_read(&lport->fc4NvmeLsCmpls),
atomic_read(&lport->xmt_ls_abort));
len += snprintf(buf + len, PAGE_SIZE - len,
@@ -377,27 +383,31 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
atomic_read(&lport->cmpl_ls_xb),
atomic_read(&lport->cmpl_ls_err));
tot = atomic_read(&phba->fc4NvmeIoCmpls);
data1 = atomic_read(&phba->fc4NvmeInputRequests);
data2 = atomic_read(&phba->fc4NvmeOutputRequests);
data3 = atomic_read(&phba->fc4NvmeControlRequests);
totin = 0;
totout = 0;
for (i = 0; i < phba->cfg_nvme_io_channel; i++) {
cstat = &lport->cstat[i];
tot = atomic_read(&cstat->fc4NvmeIoCmpls);
totin += tot;
data1 = atomic_read(&cstat->fc4NvmeInputRequests);
data2 = atomic_read(&cstat->fc4NvmeOutputRequests);
data3 = atomic_read(&cstat->fc4NvmeControlRequests);
totout += (data1 + data2 + data3);
}
len += snprintf(buf+len, PAGE_SIZE-len,
"FCP: Rd %016llx Wr %016llx IO %016llx\n",
data1, data2, data3);
"Total FCP Cmpl %016llx Issue %016llx "
"OutIO %016llx\n",
totin, totout, totout - totin);
len += snprintf(buf+len, PAGE_SIZE-len,
" noxri %08x nondlp %08x qdepth %08x "
" abort %08x noxri %08x nondlp %08x qdepth %08x "
"wqerr %08x\n",
atomic_read(&lport->xmt_fcp_abort),
atomic_read(&lport->xmt_fcp_noxri),
atomic_read(&lport->xmt_fcp_bad_ndlp),
atomic_read(&lport->xmt_fcp_qdepth),
atomic_read(&lport->xmt_fcp_wqerr));
len += snprintf(buf + len, PAGE_SIZE - len,
" Cmpl %016llx Outstanding %016llx Abort %08x\n",
tot, ((data1 + data2 + data3) - tot),
atomic_read(&lport->xmt_fcp_abort));
len += snprintf(buf + len, PAGE_SIZE - len,
"FCP CMPL: xb %08x Err %08x\n",
atomic_read(&lport->cmpl_fcp_xb),