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nvme/perf: The -r parameter can now contain "ns:X"

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Transport addresses can now additional contain an "ns"
key whose value is a specific nsid to connect to. If
unspecified, all namespaces will be used, which is
the previous behavior.

Change-Id: Icbebe32d68a1f97acaa1197c7fec5f119f33ec4d
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/421267
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
This commit is contained in:
Ben Walker 2018-08-03 11:51:28 -07:00 committed by Jim Harris
parent 3bec66015e
commit af4d1bdc60
1 changed files with 49 additions and 8 deletions
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57
examples/nvme/perf/perf.c
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@ -186,6 +186,7 @@ static const char *g_core_mask;
struct trid_entry {
struct spdk_nvme_transport_id trid;
uint16_t nsid;
TAILQ_ENTRY(trid_entry) tailq;
};
@ -320,7 +321,7 @@ set_latency_tracking_feature(struct spdk_nvme_ctrlr *ctrlr, bool enable)
}
static void
register_ctrlr(struct spdk_nvme_ctrlr *ctrlr)
register_ctrlr(struct spdk_nvme_ctrlr *ctrlr, struct trid_entry *trid_entry)
{
struct spdk_nvme_ns *ns;
struct ctrlr_entry *entry = malloc(sizeof(struct ctrlr_entry));
@ -350,12 +351,22 @@ register_ctrlr(struct spdk_nvme_ctrlr *ctrlr)
set_latency_tracking_feature(ctrlr, true);
}
for (nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr);
nsid != 0; nsid = spdk_nvme_ctrlr_get_next_active_ns(ctrlr, nsid)) {
ns = spdk_nvme_ctrlr_get_ns(ctrlr, nsid);
if (ns == NULL) {
continue;
if (trid_entry->nsid == 0) {
for (nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr);
nsid != 0; nsid = spdk_nvme_ctrlr_get_next_active_ns(ctrlr, nsid)) {
ns = spdk_nvme_ctrlr_get_ns(ctrlr, nsid);
if (ns == NULL) {
continue;
}
register_ns(ctrlr, ns);
}
} else {
ns = spdk_nvme_ctrlr_get_ns(ctrlr, trid_entry->nsid);
if (!ns) {
perror("Namespace does not exist.");
exit(1);
}
register_ns(ctrlr, ns);
}
@ -1174,6 +1185,7 @@ add_trid(const char *trid_str)
{
struct trid_entry *trid_entry;
struct spdk_nvme_transport_id *trid;
char *ns;
trid_entry = calloc(1, sizeof(*trid_entry));
if (trid_entry == NULL) {
@ -1191,6 +1203,34 @@ add_trid(const char *trid_str)
return 1;
}
ns = strcasestr(trid_str, "ns:");
if (ns) {
char nsid_str[6]; /* 5 digits maximum in an nsid */
int len;
int nsid;
ns += 3;
len = strcspn(ns, " \t\n");
if (len > 5) {
fprintf(stderr, "NVMe namespace IDs must be 5 digits or less\n");
free(trid_entry);
return 1;
}
memcpy(nsid_str, ns, len);
nsid_str[len] = '\0';
nsid = atoi(nsid_str);
if (nsid <= 0 || nsid > 65535) {
fprintf(stderr, "NVMe namespace IDs must be less than 65536 and greater than 0\n");
free(trid_entry);
return 1;
}
trid_entry->nsid = (uint16_t)nsid;
}
TAILQ_INSERT_TAIL(&g_trid_list, trid_entry, tailq);
return 0;
}
@ -1462,6 +1502,7 @@ static void
attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
{
struct trid_entry *trid_entry = cb_ctx;
struct spdk_pci_addr pci_addr;
struct spdk_pci_device *pci_dev;
struct spdk_pci_id pci_id;
@ -1488,7 +1529,7 @@ attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
pci_id.vendor_id, pci_id.device_id);
}
register_ctrlr(ctrlr);
register_ctrlr(ctrlr, trid_entry);
}
static int
@ -1499,7 +1540,7 @@ register_controllers(void)
printf("Initializing NVMe Controllers\n");
TAILQ_FOREACH(trid_entry, &g_trid_list, tailq) {
if (spdk_nvme_probe(&trid_entry->trid, NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(&trid_entry->trid, trid_entry, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed for transport address '%s'\n",
trid_entry->trid.traddr);
return -1;