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Lib/Bdev: add the new utility function

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For the iostat change, add a new utility function:
rpc_bdev_get_iostat_dump()

Change-Id: I5883fc3eb8c73a0dc2bf41c7889100e0e492359a
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14418
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
GangCao 2022-09-07 23:27:25 -04:00 committed by Tomasz Zawadzki
parent 29e4e4a851
commit 3851a64f9f
1 changed files with 18 additions and 19 deletions
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37
lib/bdev/bdev_rpc.c
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@ -204,6 +204,23 @@ rpc_bdev_get_iostat_done(struct rpc_bdev_get_iostat_ctx *ctx)
free(ctx);
}
static void
rpc_bdev_get_iostat_dump(struct spdk_json_write_ctx *w,
struct spdk_bdev *bdev,
struct spdk_bdev_io_stat *stat)
{
spdk_json_write_named_string(w, "name", spdk_bdev_get_name(bdev));
spdk_json_write_named_uint64(w, "bytes_read", stat->bytes_read);
spdk_json_write_named_uint64(w, "num_read_ops", stat->num_read_ops);
spdk_json_write_named_uint64(w, "bytes_written", stat->bytes_written);
spdk_json_write_named_uint64(w, "num_write_ops", stat->num_write_ops);
spdk_json_write_named_uint64(w, "bytes_unmapped", stat->bytes_unmapped);
spdk_json_write_named_uint64(w, "num_unmap_ops", stat->num_unmap_ops);
spdk_json_write_named_uint64(w, "read_latency_ticks", stat->read_latency_ticks);
spdk_json_write_named_uint64(w, "write_latency_ticks", stat->write_latency_ticks);
spdk_json_write_named_uint64(w, "unmap_latency_ticks", stat->unmap_latency_ticks);
}
static void
rpc_bdev_get_iostat_cb(struct spdk_bdev *bdev,
struct spdk_bdev_io_stat *stat, void *cb_arg, int rc)
@ -223,25 +240,7 @@ rpc_bdev_get_iostat_cb(struct spdk_bdev *bdev,
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "name", spdk_bdev_get_name(bdev));
spdk_json_write_named_uint64(w, "bytes_read", stat->bytes_read);
spdk_json_write_named_uint64(w, "num_read_ops", stat->num_read_ops);
spdk_json_write_named_uint64(w, "bytes_written", stat->bytes_written);
spdk_json_write_named_uint64(w, "num_write_ops", stat->num_write_ops);
spdk_json_write_named_uint64(w, "bytes_unmapped", stat->bytes_unmapped);
spdk_json_write_named_uint64(w, "num_unmap_ops", stat->num_unmap_ops);
spdk_json_write_named_uint64(w, "read_latency_ticks", stat->read_latency_ticks);
spdk_json_write_named_uint64(w, "write_latency_ticks", stat->write_latency_ticks);
spdk_json_write_named_uint64(w, "unmap_latency_ticks", stat->unmap_latency_ticks);
rpc_bdev_get_iostat_dump(w, bdev, stat);
if (spdk_bdev_get_qd_sampling_period(bdev)) {
spdk_json_write_named_uint64(w, "queue_depth_polling_period",