How to check the application i/o type












0















I want to check my NFS performance. Here I am trying to launch the application and I want to check the IO latency.
Here I am using ioping to check the IO latency. As ioping has a different I/O type, I am bit confused. Need a suggestion on checking the IO latency with NFS.



Also, I want to which I/O type a particular application is using. Is there any way to check in Linux?










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  • I used the Strace to check the function call. In that application, I cloud able to see open("", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory). Here I didn't get the I/O type like wheather it is using O_DIRECT or "Use asynchronous I/O (syscalls io_submit(2), io_submit(2), etc)." .

    – Bee..
    Jan 12 at 17:35


















0















I want to check my NFS performance. Here I am trying to launch the application and I want to check the IO latency.
Here I am using ioping to check the IO latency. As ioping has a different I/O type, I am bit confused. Need a suggestion on checking the IO latency with NFS.



Also, I want to which I/O type a particular application is using. Is there any way to check in Linux?










share|improve this question

























  • I used the Strace to check the function call. In that application, I cloud able to see open("", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory). Here I didn't get the I/O type like wheather it is using O_DIRECT or "Use asynchronous I/O (syscalls io_submit(2), io_submit(2), etc)." .

    – Bee..
    Jan 12 at 17:35
















0












0








0








I want to check my NFS performance. Here I am trying to launch the application and I want to check the IO latency.
Here I am using ioping to check the IO latency. As ioping has a different I/O type, I am bit confused. Need a suggestion on checking the IO latency with NFS.



Also, I want to which I/O type a particular application is using. Is there any way to check in Linux?










share|improve this question
















I want to check my NFS performance. Here I am trying to launch the application and I want to check the IO latency.
Here I am using ioping to check the IO latency. As ioping has a different I/O type, I am bit confused. Need a suggestion on checking the IO latency with NFS.



Also, I want to which I/O type a particular application is using. Is there any way to check in Linux?







linux hard-drive performance filesystems nfs






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 12 at 17:58







Bee..

















asked Jan 12 at 17:19









Bee..Bee..

1




1













  • I used the Strace to check the function call. In that application, I cloud able to see open("", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory). Here I didn't get the I/O type like wheather it is using O_DIRECT or "Use asynchronous I/O (syscalls io_submit(2), io_submit(2), etc)." .

    – Bee..
    Jan 12 at 17:35





















  • I used the Strace to check the function call. In that application, I cloud able to see open("", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory). Here I didn't get the I/O type like wheather it is using O_DIRECT or "Use asynchronous I/O (syscalls io_submit(2), io_submit(2), etc)." .

    – Bee..
    Jan 12 at 17:35



















I used the Strace to check the function call. In that application, I cloud able to see open("", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory). Here I didn't get the I/O type like wheather it is using O_DIRECT or "Use asynchronous I/O (syscalls io_submit(2), io_submit(2), etc)." .

– Bee..
Jan 12 at 17:35







I used the Strace to check the function call. In that application, I cloud able to see open("", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory). Here I didn't get the I/O type like wheather it is using O_DIRECT or "Use asynchronous I/O (syscalls io_submit(2), io_submit(2), etc)." .

– Bee..
Jan 12 at 17:35












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