Fork of alistair23 Linux kernel for reMarkable from https://github.com/alistair23/linux
277d6f1dca
New feature: - Introduce the 'delta-abs' 'perf diff' compute method, that orders the histogram entries by the absolute value of the percentage delta for a function in two perf.data files, i.e. the functions that changed the most (increase or decrease in samples) comes first (Namhyung Kim) User visible: - Improve message about tweaking the kernel.perf_event_paranoid setting, telling how to make the change permanent by editing /etc/sysctl.conf (Ingo Molnar) Infrastructure: - Introduce linux/compiler-gcc.h as a counterpart to the kernel's, initially containing the definition of __fallthrough, more to come (__maybe_unused, etc) (Arnaldo Carvalho de Melo) - Fixes for problems uncovered by building tools/perf with clang, such as always true tests of arrays against NULL and variables that sometimes were used without being initialized (Arnaldo Carvalho de Melo, Steven Rostedt) - Before loading a new ELF, clear global variables set by the samples/bpf loader (Mickaël Salaün) - Ignore already processed ELF sections in the samples/bpf loader (Mickaël Salaün) - Fix compile error in the scripting code with some perl5 versions (Wang YanQing) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJYolWFAAoJENZQFvNTUqpA67MQAJnigpmhmyOnBn9easBPGG2k +2kHX7GPczbuNXeVKKfUCpBadUFjOpN17RF8019lrxoMEZEYCWgxjLjxYUMm4I0Y Q09X5OX4aIjSdCsvqKPnJ1nmJ9sPdyjSGqTAXemaJLbwMAcwCPv8ICMumbnjQmr+ LWNvHFDuRgsmlGRHGKLNlWFHuuGj4iR83XOozZ/4l5p+pOBMxs4yhP21VEK1Dgqz 0VDHlzE4kXIgZanJIgEaoZJaajwfgDS047GJuf79tq7P0kSLTZs004shY2mSqUhl 3EYN4UVoGwIpkpXU+HHmMa5eb0LKjNd/JXABJ8r1Q+blDdP2fYmsx4Ztknc/Ie41 u8KkYUs4Eu01jZsJpVp4BEfujUk14sbg3fdI4VGNpWI/FnsfgBsJF8uzZ/bmFCH1 UtsMkwZkWvR1a9r7AkgMySpzEZ4Sc/0xPkFZkE0zvHpSQ4nFH2hdNM4wxt8tmtNB me12bMYl2aEX8Z5QssgeGPxlgEmMgq/+9GEr+ivZWe9XITR3dvqzGhVdyQiCoaav NaFCu6oyVJUQEtq9xgFRV+2r8jG14V6HdEruqzxEYhvvD5BC4AekC5QMClj09xfn ZK3xv25Diiv0QM+UcL2fH9abpSDEs4ff1Fsr6HkrZbpxzyPwkBHh6bfR4kGonE6U jbuqniPpwxLk9M1RmhFV =LCz9 -----END PGP SIGNATURE----- Merge tag 'perf-core-for-mingo-4.11-20170213' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: New features: - Introduce the 'delta-abs' 'perf diff' compute method, that orders the histogram entries by the absolute value of the percentage delta for a function in two perf.data files, i.e. the functions that changed the most (increase or decrease in samples) comes first (Namhyung Kim) User visible changes: - Improve message about tweaking the kernel.perf_event_paranoid setting, telling how to make the change permanent by editing /etc/sysctl.conf (Arnaldo Carvalho de Melo) Infrastructure changes: - Introduce linux/compiler-gcc.h as a counterpart to the kernel's, initially containing the definition of __fallthrough, more to come (__maybe_unused, etc) (Arnaldo Carvalho de Melo) - Fixes for problems uncovered by building tools/perf with clang, such as always true tests of arrays against NULL and variables that sometimes were used without being initialized (Arnaldo Carvalho de Melo, Steven Rostedt) - Before loading a new ELF, clear global variables set by the samples/bpf loader (Mickaël Salaün) - Ignore already processed ELF sections in the samples/bpf loader (Mickaël Salaün) - Fix compile error in the scripting code with some perl5 versions (Wang YanQing) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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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.