From: Ingo Molnar Date: Tue, 14 Feb 2017 06:29:38 +0000 (+0100) Subject: Merge tag 'perf-core-for-mingo-4.11-20170213' of git://git.kernel.org/pub/scm/linux... X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=277d6f1dcae09aed63cd4c7900a280b0e18cf2ca;p=openwrt%2Fstaging%2Fblogic.git Merge tag 'perf-core-for-mingo-4.11-20170213' of git://git./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 Signed-off-by: Ingo Molnar --- 277d6f1dcae09aed63cd4c7900a280b0e18cf2ca