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nvme_perf: Factor out allocate task operation into a function

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Subsequent patches will support DIF and DIX in NVMe Perf and
will make buffer management a little complex. This patch tries
to make them a little easier.

Change-Id: I3e0e3e03ca386467c7477e1ec8aa537ca47316e2
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/437903
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>
This commit is contained in:
Shuhei Matsumoto 2018-12-20 09:03:39 +09:00 committed by Jim Harris
parent fa0129c0e2
commit 70d096e775
1 changed files with 30 additions and 22 deletions
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52
examples/nvme/perf/perf.c
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@ -756,33 +756,41 @@ check_io(struct ns_worker_ctx *ns_ctx)
}
}
static void
submit_io(struct ns_worker_ctx *ns_ctx, int queue_depth)
static struct perf_task *
allocate_task(struct ns_worker_ctx *ns_ctx, int queue_depth)
{
struct perf_task *task;
uint32_t max_io_size_bytes;
task = calloc(1, sizeof(*task));
if (task == NULL) {
fprintf(stderr, "Out of memory allocating tasks\n");
exit(1);
}
/* maximum extended lba format size from all active namespace,
* it's same with g_io_size_bytes for namespace without metadata.
*/
max_io_size_bytes = g_io_size_bytes + g_max_io_md_size * g_max_io_size_blocks;
task->buf = spdk_dma_zmalloc(max_io_size_bytes, g_io_align, NULL);
if (task->buf == NULL) {
fprintf(stderr, "task->buf spdk_dma_zmalloc failed\n");
exit(1);
}
memset(task->buf, queue_depth % 8 + 1, max_io_size_bytes);
task->ns_ctx = ns_ctx;
return task;
}
static void
submit_io(struct ns_worker_ctx *ns_ctx, int queue_depth)
{
struct perf_task *task;
while (queue_depth-- > 0) {
task = calloc(1, sizeof(*task));
if (task == NULL) {
fprintf(stderr, "Out of memory allocating tasks\n");
exit(1);
}
/* maximum extended lba format size from all active
* namespace, it's same with g_io_size_bytes for
* namespace without metadata
*/
max_io_size_bytes = g_io_size_bytes + g_max_io_md_size * g_max_io_size_blocks;
task->buf = spdk_dma_zmalloc(max_io_size_bytes, g_io_align, NULL);
if (task->buf == NULL) {
fprintf(stderr, "task->buf spdk_dma_zmalloc failed\n");
exit(1);
}
memset(task->buf, queue_depth % 8 + 1, max_io_size_bytes);
task->ns_ctx = ns_ctx;
task = allocate_task(ns_ctx, queue_depth);
submit_single_io(task);
}
}