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Change-Id: Idb86b2e8bbb396ee1bca606a32569b9b6b46dcb8
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- Add snapshot load/save support to QEMU Pipes
This adds the ability to save and load QEMU Pipe connections
with snapshots. Note that by default, all loaded pipe client
connections are force-fully closed on load.
We don't have a good way to save the state of network
connections to persistent storage.
Properly implements snapshot save / load for qemu pipe clients.
Change-Id: Ie5767f8ce40c8341b958cc5844e724dd4fc1ed2b
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This improves performance of various benchmarks by 5%
Change-Id: If2d2be0e9849429ecffe52b7d482cfbee4008473
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This patch adds a new hardware property to enable GPU emulation
(named hw.gpu.enabled). It is currently disabled by default.
It also modifies the UI code to display the GL output properly
inside the UI window. And sets the kernel parameter qemu.gles
to either 0 or 1 to indicate to the guest system's GLES libraries
whether to use GPU emulation or fallback to the software renderer.
A future patch will also add auto-detection of desktop GL capabilities.
For example, if the emulator is started on a headless server without
an X11/GL display, hw.gpu.enabled will be forced to 'no', forcing the
guest to use the software renderer.
Another patch will allow to change the property from the command-line
for debugging purpose.
NOTE: If you want to test GPU emulation, change the default value of
the property in android/avd/hardware-properties.ini from 'no'
to 'yes'. You will need to run a ToT master AOSP tree with
the following pending patches applied:
https://review.source.android.com/25797
https://review.source.android.com/25154
https://review.source.android.com/25759
Change-Id: I1fa3512be24395244fd5068f2bf59ad54db5c7d5
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This patch fixes a simple segmentation fault in the case
where we can't connect to the GPU emulation rendering library.
Change-Id: I47df0cae9029aee4738fd89083750e3baca5f032
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Throughout emulator's code pipe's 'poll' callback was returning PIPE_WAKE_XXX,
instead of PIPE_POLL_XXX flags. This created whole sort of issues with the
qemu pipe service <-> client communications.
This is also a fix for http://b/issue?id=5196348
Change-Id: I92202cf4ef4554559eb022c4410ee93923edec1b
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Disable the TCP Nagle algorithm to drastically improve the
throughput of small packets when creating the TCP socket used
to talk with the OpenGLES renderer library.
Coupled with a corresponding change in the server part of the
code, this improves performance of most applications significantly.
+ get rid of shouldSetSockOpt field, by performing the buffer
adjustment just after the socket is created.
Change-Id: Ibacca834ff98d1e9a92fb735f450b925e373fdc0
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Set the socket send buffer size to 128k on windows
to allow higher throuput when sending large blocks
over the pipe. On Linux the default value is already
128k. Might want to enable this for all 'tcp" pipes,
currently it is only for the opengles pipe.
Change-Id: I0c6868b6af54b4df1a0257bfe591baab6f76e14a
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Don't allow the 'tcp' pipe service to connect to anything other than
localhost IPv4 addresses, for security reasons.
Moreover, resolving host addresses is a blocking operation that
could freeze the emulation for significant time, which is not
acceptable.
Change-Id: I0151a4a72befdc9f1d1526e1f68ef99f0b9e4464
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Never use read() or write() when using sockets on Windows, use
recv() / send() instead.
+ Remove compiler warning on Windows.
Change-Id: I53de04ceb3bad20dfebcbd8279506db87388a578
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+ Rename android/pipe-net.c to android/hw-pipe-net.c
Change-Id: Ia2e2466c3bf3ea812f36639420fad7ce2e0cb61d
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