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Commit21e6d84286("perf diff: Use perf_hpp__register_sort_field interface") changed list_add() to perf_hpp__register_sort_field(). This resulted in a behavior change since the field was added to the tail instead of the head. So the -o option is mostly ignored due to its order in the list. This patch fixes it by adding perf_hpp__prepend_sort_field(). Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Fixes:21e6d84286("perf diff: Use perf_hpp__register_sort_field interface") Link: http://lkml.kernel.org/r/20170118051457.30946-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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.