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nvme/perf: Use delay_doorbell queue pair option

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This tool continually polls for completions, so it
is safe to turn this on.

Change-Id: Ice1c68cdaff070f8edd428621e19a6fb44fb8c31
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/447712
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This commit is contained in:
Ben Walker 2019-03-11 14:00:17 -07:00 committed by Changpeng Liu
parent 727d820e59
commit f80368bbce
1 changed files with 1 additions and 0 deletions
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examples/nvme/perf/perf.c
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@ -567,6 +567,7 @@ nvme_init_ns_worker_ctx(struct ns_worker_ctx *ns_ctx)
if (opts.io_queue_requests < entry->num_io_requests) { if (opts.io_queue_requests < entry->num_io_requests) {
opts.io_queue_requests = entry->num_io_requests; opts.io_queue_requests = entry->num_io_requests;
} }
opts.delay_pcie_doorbell = true;
ns_ctx->u.nvme.qpair = spdk_nvme_ctrlr_alloc_io_qpair(entry->u.nvme.ctrlr, &opts, ns_ctx->u.nvme.qpair = spdk_nvme_ctrlr_alloc_io_qpair(entry->u.nvme.ctrlr, &opts,
sizeof(opts)); sizeof(opts));