Messages in this thread | | | Subject | Re: [RFC PATCH] Add /proc/<pid>/numa_vamaps for numa node information | From | "prakash.sangappa" <> | Date | Mon, 7 May 2018 18:16:13 -0700 |
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On 05/07/2018 05:05 PM, Dave Hansen wrote: > On 05/07/2018 04:22 PM, prakash.sangappa wrote: >> However, with the proposed new file, we could allow seeking to >> specified virtual address. The lseek offset in this case would >> represent the virtual address of the process. Subsequent read from >> the file would provide VA range to numa node information starting >> from that VA. In case the VA seek'ed to is invalid, it will start >> from the next valid mapped VA of the process. The implementation >> would not be based on seq_file. > So you're proposing a new /proc/<pid> file that appears next to and is > named very similarly to the exiting /proc/<pid>, but which has entirely > different behavior?
It will be /proc/<pid>/numa_vamaps. Yes, the behavior will be different with respect to seeking. Output will still be text and the format will be same.
I want to get feedback on this approach.
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