Andi Kleen 704e2f5b70 perf stat: Use affinity for enabling/disabling events ... Restructure event enabling/disabling to use affinity, which minimizes the number of IPIs needed. Before on a large test case with 94 CPUs: % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 54.65 1.899986 22 84812 660 ioctl after: 39.21 0.930451 10 84796 644 ioctl Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: http://lore.kernel.org/lkml/20191121001522.180827-13-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		2019-11-29 12:20:45 -03:00
..
accounting
arch	perf/core improvements and fixes:	2019-11-29 06:56:05 +01:00
bpf	tools, bpf: Fix build for 'make -s tools/bpf O=<dir>'	2019-11-24 16:58:45 -08:00
build	perf tools: Allow to link with libbpf dynamicaly	2019-11-26 11:17:45 -03:00
cgroup
debugging
firewire
firmware
gpio	tools: gpio: Correctly add make dependencies for gpio_utils	2019-11-13 13:46:04 +01:00
hv
iio
include	Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-11-26 15:04:47 -08:00
io_uring
kvm/kvm_stat
laptop
leds
lib	Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-11-26 16:02:40 -08:00
memory-model
nfsd
objtool	Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-11-26 15:04:47 -08:00
pci
pcmcia
perf	perf stat: Use affinity for enabling/disabling events	2019-11-29 12:20:45 -03:00
power
scripts
spi
testing	Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-11-26 15:42:43 -08:00
thermal/tmon
time
usb
virtio
vm
wmi
Makefile