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Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: New features: - Add support to measure SMI cost in 'perf stat' (Kan Liang) - Add support for unwinding callchains in powerpc with libdw (Paolo Bonzini) Fixes: - Fix message: cpu list option is -C not -c (Adrian Hunter) - Fix 'perf script' message: field list option is -F not -f (Adrian Hunter) - Intel PT fixes: (Adrian Hunter) o Fix missing stack clear o Ensure IP is zero when state is INTEL_PT_STATE_NO_IP o Fix last_ip usage o Ensure never to set 'last_ip' when packet 'count' is zero o Clear FUP flag on error o Fix transactions_sample_type Infrastructure changes: - Intel PT cleanups/refactorings (Adrian Hunter) o Use FUP always when scanning for an IP o Add missing __fallthrough o Remove redundant initial_skip checks o Allow decoding with branch tracing disabled o Add default config for pass-through branch enable o Add documentation for new config terms o Add decoder support for ptwrite and power event packets o Add reserved byte to CBR packet payload o Add decoder support for CBR events - Move find_process() to the only place that uses it, skimming some more fat from util.[ch] (Arnaldo Carvalho de Melo) - Do parameter validation earlier on fetch_kernel_version() (Arnaldo Carvalho de Melo) - Remove unused _ALL_SOURCE define (Arnaldo Carvalho de Melo) - Add sysfs__write_int function (Kan Liang) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
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.