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docs: Update vhost-user-blk-testing.md

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The purpose is to add more info while running
spdk vhost tgt. For example, adding more info
(total_size, block_size) to describe the meaning
on creating malloc bdev inside spdk vhost tgt.

Signed-off-by: Ziye Yang <ziye.yang@intel.com>
This commit is contained in:
Ziye Yang 2021-11-11 04:10:10 +00:00 committed by Rob Bradford
parent 34edb8960f
commit be79a80361
1 changed files with 4 additions and 0 deletions
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docs/vhost-user-blk-testing.md
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@ -69,12 +69,16 @@ make
``` ```
### Set the SPDK environment ### Set the SPDK environment
Run SPDK vhost target with 2 CPU cores, i.e., core 0 and 1.
```bash ```bash
sudo HUGEMEM=2048 scripts/setup.sh sudo HUGEMEM=2048 scripts/setup.sh
sudo ./build/bin/vhost -S /var/tmp -s 1024 -m 0x3 & sudo ./build/bin/vhost -S /var/tmp -s 1024 -m 0x3 &
``` ```
### Create 512M block device ### Create 512M block device
Create a 512M (first parameter) block device with 512 bytes (second parameter) block size.
```bash ```bash
sudo scripts/rpc.py bdev_malloc_create 512 512 -b Malloc0 sudo scripts/rpc.py bdev_malloc_create 512 512 -b Malloc0
sudo scripts/rpc.py vhost_create_blk_controller --cpumask 0x1 vhost.1 Malloc0 sudo scripts/rpc.py vhost_create_blk_controller --cpumask 0x1 vhost.1 Malloc0