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2021-03-17plugins: Expose physical addresses instead of device offsetsAaron Lindsay2-2/+2
This allows plugins to query for full virtual-to-physical address translation for a given `qemu_plugin_hwaddr` and stops exposing the offset within the device itself. As this change breaks the API, QEMU_PLUGIN_VERSION is incremented. Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210309202802.211756-1-aaron@os.amperecomputing.com> Message-Id: <20210312172821.31647-3-alex.bennee@linaro.org>
2021-02-18contrib: Open brace '{' following struct go on the same linezhouyang1-2/+1
I found some style problems whil check the code using checkpatch.pl. This commit fixs the issue below: ERROR: that open brace { should be on the previous line Signed-off-by: zhouyang <zhouyang789@huawei.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210118031004.1662363-6-zhouyang789@huawei.com> Message-Id: <20210213130325.14781-9-alex.bennee@linaro.org>
2021-02-18contrib: space required after that ','zhouyang1-6/+6
I am reading contrib related code and found some style problems while check the code using checkpatch.pl. This commit fixs the issue below: ERROR: space required after that ',' Signed-off-by: zhouyang <zhouyang789@huawei.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210118031004.1662363-5-zhouyang789@huawei.com> Message-Id: <20210213130325.14781-8-alex.bennee@linaro.org>
2021-02-18contrib: Fix some code style problems, ERROR: "foo * bar" should be "foo *bar"zhouyang1-1/+1
I am reading contrib related code and found some style problems while check the code using checkpatch.pl. This commit fixs the issue below: ERROR: "foo * bar" should be "foo *bar" Signed-off-by: zhouyang <zhouyang789@huawei.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210118031004.1662363-3-zhouyang789@huawei.com> Message-Id: <20210213130325.14781-6-alex.bennee@linaro.org>
2021-02-18contrib: Don't use '#' flag of printf formatzhouyang4-6/+6
I am reading contrib related code and found some style problems while check the code using checkpatch.pl. This commit fixs the misuse of '#' flag of printf format Signed-off-by: zhouyang <zhouyang789@huawei.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210118031004.1662363-2-zhouyang789@huawei.com> Message-Id: <20210213130325.14781-5-alex.bennee@linaro.org>
2021-02-18plugins: new hwprofile pluginAlex Bennée2-0/+306
This is a plugin intended to help with profiling access to various bits of system hardware. It only really makes sense for system emulation. It takes advantage of the recently exposed helper API that allows us to see the device name (memory region name) associated with a device. You can specify arg=read or arg=write to limit the tracking to just reads or writes (by default it does both). The pattern option: -plugin ./tests/plugin/libhwprofile.so,arg=pattern will allow you to see the access pattern to devices, eg: gic_cpu @ 0xffffffc010040000 off:00000000, 8, 1, 8, 1 off:00000000, 4, 1, 4, 1 off:00000000, 2, 1, 2, 1 off:00000000, 1, 1, 1, 1 The source option: -plugin ./tests/plugin/libhwprofile.so,arg=source will track the virtual source address of the instruction making the access: pl011 @ 0xffffffc010031000 pc:ffffffc0104c785c, 1, 4, 0, 0 pc:ffffffc0104c7898, 1, 4, 0, 0 pc:ffffffc010512bcc, 2, 1867, 0, 0 You cannot mix source and pattern. Finally the match option allow you to limit the tracking to just the devices you care about. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Robert Foley <robert.foley@linaro.org> Reviewed-by: Robert Foley <robert.foley@linaro.org> Message-Id: <20210213130325.14781-4-alex.bennee@linaro.org>
2020-11-16plugins: Fix two resource leaks in setup_socket()Alex Chen1-0/+2
Either accept() fails or exits normally, we need to close the fd. Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Alex Chen <alex.chen@huawei.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201109082829.87496-3-alex.chen@huawei.com> Message-Id: <20201110192316.26397-3-alex.bennee@linaro.org>
2020-11-16plugins: Fix resource leak in connect_socket()Alex Chen1-0/+1
Close the fd when the connect() fails. Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Alex Chen <alex.chen@huawei.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201109082829.87496-2-alex.chen@huawei.com> Message-Id: <20201110192316.26397-2-alex.bennee@linaro.org>
2020-10-09plugin: Fixes compiling errors on msys2/mingwYonggang Luo1-1/+1
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201001163429.1348-3-luoyonggang@gmail.com> Message-Id: <20201007160038.26953-21-alex.bennee@linaro.org>
2020-09-10plugins: move the more involved plugins to contribAlex Bennée5-0/+1082
We have an exploding complexity problem in the testing so lets just move the more involved plugins into contrib. tests/plugins still exist for the basic plugins that exercise the API. We restore the old pre-meson style Makefile for contrib as it also doubles as a guide for out-of-tree plugin builds. While we are at it add some examples to the documentation and a specific plugins build target. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20200909112742.25730-11-alex.bennee@linaro.org>
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