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22048c5485
turbostat displays a GFXMHz column, which comes from reading /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz But GFXMHz was not changing, even when a manual cat /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz showed a new value. It turns out that a rewind() on the open file is not sufficient, fflush() (or a close/open) is needed to read fresh values. Reported-by: Yaroslav Isakov <yaroslav.isakov@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.