ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nvme/perf: ignore namespaces with invalid sizes

Browse Source 
If the I/O size is larger than the total namespace size or smaller than
the block size, ignore that namespace in the perf utility.

Change-Id: I297303d8c41ceb36eef91c6c33da809a35758f4e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2015-12-28 14:07:58 -07:00
parent 4e85224e3e
commit 777a06155c
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
examples/nvme/perf/perf.c
View File

@ -126,7 +126,7 @@ static int g_num_workers = 0;
static uint64_t g_tsc_rate;
static int g_io_size_bytes;
static uint32_t g_io_size_bytes;
static int g_rw_percentage;
static int g_is_random;
static int g_queue_depth;
@ -146,14 +146,23 @@ register_ns(struct nvme_controller *ctrlr, struct nvme_namespace *ns)
struct ns_entry *entry;
const struct nvme_controller_data *cdata;
cdata = nvme_ctrlr_get_data(ctrlr);
if (nvme_ns_get_size(ns) < g_io_size_bytes ||
nvme_ns_get_sector_size(ns) > g_io_size_bytes) {
printf("WARNING: controller %-20.20s (%-20.20s) ns %u has invalid "
"ns size %" PRIu64 " / block size %u for I/O size %u\n",
cdata->mn, cdata->sn, nvme_ns_get_id(ns),
nvme_ns_get_size(ns), nvme_ns_get_sector_size(ns), g_io_size_bytes);
return;
}
entry = malloc(sizeof(struct ns_entry));
if (entry == NULL) {
perror("ns_entry malloc");
exit(1);
}
cdata = nvme_ctrlr_get_data(ctrlr);
entry->type = ENTRY_TYPE_NVME_NS;
entry->u.nvme.ctrlr = ctrlr;
entry->u.nvme.ns = ns;