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Arnaldo Carvalho de Melo 3b1fff0803 perf core: Add a 'nr' field to perf_event_callchain_context 
We will use it to count how many addresses are in the entry->ip[] array,
excluding PERF_CONTEXT_{KERNEL,USER,etc} entries, so that we can really
return the number of entries specified by the user via the relevant
sysctl, kernel.perf_event_max_contexts, or via the per event
perf_event_attr.sample_max_stack knob.

This way we keep the perf_sample->ip_callchain->nr meaning, that is the
number of entries, be it real addresses or PERF_CONTEXT_ entries, while
honouring the max_stack knobs, i.e. the end result will be max_stack
entries if we have at least that many entries in a given stack trace.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-s8teto51tdqvlfhefndtat9r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-05-16 23:11:51 -03:00
..
boot Merge branch 'for-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2016-05-07 08:13:42 -07:00
common Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
configs ARM: u8500_defconfig: turn on the Synaptics RMI4 driver 2016-03-30 00:26:15 +02:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2016-03-17 11:22:54 -07:00
firmware
include ARM: 8573/1: domain: move {set,get}_domain under config guard 2016-05-05 19:03:02 +01:00
kernel perf core: Add a 'nr' field to perf_event_callchain_context 2016-05-16 23:11:51 -03:00
kvm mm: thp: kvm: fix memory corruption in KVM with THP enabled 2016-05-05 17:38:53 -07:00
lib
mach-alpine ARM: alpine: select the Alpine MSI controller driver 2016-02-26 22:57:22 +01:00
mach-artpec
mach-asm9260
mach-at91
mach-axxia
mach-bcm
mach-berlin
mach-clps711x
mach-cns3xxx ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-davinci ARM: davinci: only use NVMEM when available 2016-04-29 11:58:38 -07:00
mach-digicolor
mach-dove
mach-ebsa110
mach-efm32
mach-ep93xx
mach-exynos ARM: EXYNOS: Properly skip unitialized parent clock in power domain on 2016-04-25 11:35:37 +02:00
mach-footbridge
mach-gemini
mach-highbank
mach-hisi
mach-imx ARM: mach-imx: sdhci-esdhc-imx: initialize DMA mask 2016-04-13 16:41:56 +08:00
mach-integrator
mach-iop13xx
mach-iop32x
mach-iop33x
mach-ixp4xx This is the bulk of GPIO changes for kernel v4.6: 2016-03-17 21:05:32 -07:00
mach-keystone ARM: DT updates for v4.6 2016-03-20 15:15:48 -07:00
mach-ks8695 ARM: SoC non-urgent fixes for v4.6 2016-03-20 14:26:57 -07:00
mach-lpc18xx
mach-lpc32xx ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-mediatek ARM: DT updates for v4.6 2016-03-20 15:15:48 -07:00
mach-meson
mach-mmp
mach-moxart
mach-mv78xx0 ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-mvebu The clk changes for this release cycle are mostly dominated by 2016-03-23 06:06:45 -07:00
mach-mxs
mach-netx ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-nomadik
mach-nspire ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-omap1 Revert "ARM: OMAP: Catch callers of revision information prior to it being populated" 2016-04-19 08:01:05 -07:00
mach-omap2 Fixes for omaps for v4.6-rc cycle: 2016-04-22 16:53:49 -07:00
mach-orion5x ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-picoxcell
mach-prima2 ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-pxa ARM: pxa: fix the number of DMA requestor lines 2016-03-29 20:59:18 +02:00
mach-qcom
mach-realview
mach-rockchip
mach-rpc
mach-s3c24xx ARM: SoC 64-bit changes for v4.6 2016-03-20 15:08:45 -07:00
mach-s3c64xx ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-s5pv210
mach-sa1100 ARM: sa1100: remove references to the defunct handhelds.org 2016-04-12 12:34:15 -07:00
mach-shmobile ARM: shmobile: timer: Fix preset_lpj leading to too short delays 2016-04-20 08:52:55 +10:00
mach-socfpga ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel 2016-04-27 15:19:21 -07:00
mach-spear
mach-sti
mach-stm32
mach-sunxi
mach-tango
mach-tegra Here's another round of updates for -next: 2016-03-01 17:03:27 -05:00
mach-u300
mach-uniphier ARM: uniphier: drop weird sizeof() 2016-04-12 12:06:27 -07:00
mach-ux500 ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-versatile
mach-vexpress
mach-vt8500
mach-w90x900 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
mach-zx
mach-zynq ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mm Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm 2016-05-07 08:27:35 -07:00
net
nwfpe
oprofile
plat-iop
plat-omap
plat-orion Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
plat-pxa ARM: pxa: add the number of DMA requestor lines 2016-02-26 22:57:05 +01:00
plat-samsung MTD updates for v4.6 2016-03-24 19:57:15 -07:00
plat-versatile
probes
tools
vdso
vfp
xen
Kconfig ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
Kconfig-nommu
Kconfig.debug
Makefile ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00