Messages in this thread | | | Subject | Re: [PATCH 1/1] [tools]: android/ion: userspace test utility for ion buffer sharing | From | Laura Abbott <> | Date | Tue, 26 Sep 2017 12:22:51 -0700 |
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On 09/26/2017 11:08 AM, Pintu Agarwal wrote: > This is a test utility to verify ION buffer sharing in user space > between 2 independent processes. > It uses unix domain socket as IPC to transfer an FD to another process > and install it. > > This utility demonstrates how ION buffer sharing can be implemented between > two user space processes, using various heap ids. > > This utility is verified on Ubuntu 32-bit machine using 2 independent > process such as: ionapp_export (server) and ionapp_import (client). > First the server needs to be run to export FD to the client. > This utility works only if /dev/ion interface is present. > > Here is a sample demo example: > > linux-stable/tools/android/ion$ sudo ./ionapp_export.out -i 1 -s 10 > heap_type: 2, heap_size: 10 > Fill buffer content: > 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd > Sharing fd: 6, Client fd: 5 > <ion_close_buffer_fd>: buffer release successfully.... > > linux-stable/tools/android/ion$ sudo ./ionapp_import.out > Received buffer fd: 4 > Read buffer content: > 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd > Fill buffer content: > 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd > 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd 0xfd > 0xfd 0xfd 0xfd 0xfd > <ion_close_buffer_fd>: buffer release successfully.... > > Signed-off-by: Pintu Agarwal<pintu.ping@gmail.com>
This is a good start on a test app for Ion but it needs to be updated to use the new ABI.
Thanks, Laura
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