Open subhakr opened 3 weeks ago
Hi, you can add the command line option --dir=<dir>
to grant wasi access to the given host directories to the program, in your case, you can perform file operations under the certain directory you passed
For more details on how you can use iwasm, you can try
./iwasm --help
After doing like that, still i am facing the same issue. like below
admin1@admin1-VivoBook-ASUSLaptop-X515EA-P1511CEA:~/sysbench_main$ ls
aclocal.m4 autom4te.cache a.worker.js config config.status configure~ COPYING Dockerfile install-sh m4 Makefile.am missing package.json README.md scripts src tags third_party
autogen.sh a.wasm ChangeLog config.log configure configure.ac debian fileio_data libtool Makefile Makefile.in mkinstalldirs package-lock.json rpm snap subhaobj.txt tests
admin1@admin1-VivoBook-ASUSLaptop-X515EA-P1511CEA:~/sysbench_main$ /home/admin1/Documents/wasm-micro-runtime/product-mini/platforms/linux/build/iwasm --max-threads=64 --dir=fileio_data/ src/sysbench fileio --file-total-size=2G --file-test-mode=rndrw prepare
Attempting to allocate 1064960 bytes of memory...
sysbench 1.1.0-2ca9e3f (using Lua Lua 5.3)
128 files, 16384Kb each, 2048Mb total
Creating files for the test...
Extra file open flags: (none)
FATAL: Can't open file errno = 44 (No such file or directory)
even after providing absolute path , still have the same issue.
Please suggest me what can i rectify to enable fileio operations.
I think the fileio benchmark needs to pass a directory to generate the temp files, I can't find that option, so I simple use the current directory, as you can see I pass the option --dir=.
.
I can successfully run the following commands:
./iwasm -v=5 --max-threads=8 --dir=. sysbench fileio --file-total-size=2M --file-test-mode=rndrw prepare
The output is:
Attempting to allocate 1064960 bytes of memory...
sysbench 1.1.0-2ca9e3f (using Lua Lua 5.3)
128 files, 16Kb each, 2Mb total
Creating files for the test...
Extra file open flags: (none)
Creating file test_file.0
Creating file test_file.1
Creating file test_file.2
Creating file test_file.3
Creating file test_file.4
Creating file test_file.5
Creating file test_file.6
Creating file test_file.7
Creating file test_file.8
Creating file test_file.9
Creating file test_file.10
Creating file test_file.11
Creating file test_file.12
Creating file test_file.13
Creating file test_file.14
Creating file test_file.15
Creating file test_file.16
Creating file test_file.17
Creating file test_file.18
Creating file test_file.19
Creating file test_file.20
Creating file test_file.21
Creating file test_file.22
Creating file test_file.23
Creating file test_file.24
Creating file test_file.25
Creating file test_file.26
Creating file test_file.27
Creating file test_file.28
Creating file test_file.29
Creating file test_file.30
Creating file test_file.31
Creating file test_file.32
Creating file test_file.33
Creating file test_file.34
Creating file test_file.35
Creating file test_file.36
Creating file test_file.37
Creating file test_file.38
Creating file test_file.39
Creating file test_file.40
Creating file test_file.41
Creating file test_file.42
Creating file test_file.43
Creating file test_file.44
Creating file test_file.45
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Creating file test_file.47
Creating file test_file.48
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Creating file test_file.73
Creating file test_file.74
Creating file test_file.75
Creating file test_file.76
Creating file test_file.77
Creating file test_file.78
Creating file test_file.79
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Creating file test_file.92
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Creating file test_file.94
Creating file test_file.95
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Creating file test_file.120
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Creating file test_file.122
Creating file test_file.123
Creating file test_file.124
Creating file test_file.125
Creating file test_file.126
Creating file test_file.127
2097152 bytes written in 6.46 seconds (0.31 MiB/sec).
Okay thanks for your support. Only concern is when i am providing path its not working.
The path you provided to iwasm is --dir=fileio_data/
, which gives your wasm program access to that directory. However, the directory you try to use fileio bench to generate temp files is the current directory(.
), which you don't have access to, that why you have such error like FATAL: Can't open file errno = 44 (No such file or directory)
Yep, I got it now. Thank you so much.
Subject of the issue
File operations are not supporting for sysbench application
Test case
I would like do bench mark for fileio operations in that process i am getting facing issue. I would like to know WAMR will support file opeartions or not?
Your environment
Steps to reproduce
sysbench_wasm_module.zip
To reprodure the error run the below command. /home/admin1/Documents/wasm-micro-runtime/product-mini/platforms/linux/build/iwasm --max-threads=64 src/sysbench fileio --file-total-size=2G --file-test-mode=rndrw prepare Replace YOUR iwasm path
Expected behavior
Files have to create after running this command.
Actual behavior