From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv3 0/9] arm64: perf: heterogeneous PMU support
Date: Mon, 6 Jul 2015 12:23:52 +0100 [thread overview]
Message-ID: <1436181842-19402-1-git-send-email-mark.rutland@arm.com> (raw)
This patch series reworks the 32-bit ARM perf code into a library, and
migrates the arm64 perf code over to it, gaining support for
heterogeneous PMUs. Support is then added for Cortex-A53 and Cortex-A57
as used in Juno systems.
Previously the librification [1] and arm64 migration [2] were separate
series, but as the bulk of the librification made it for v4.2-rc1 the
remaining work is mostly trivial.
With this series applied, perf can be used to monitor 64-bit systems with
heterogeneous PMUs in an identical fashion to 32-bit systems, e.g.
$ perf stat -e armv8_cortex_a53/config=0x11/ -e armv8_cortex_a57/config=0x11/ ./a.out
Performance counter stats for './a.out':
185250238 armv8_cortex_a53/config=0x11/ [55.34%]
225006550 armv8_cortex_a57/config=0x11/ [43.96%]
0.213953840 seconds time elapsed
$ perf stat -e cycles ./a.out
Performance counter stats for './a.out':
830917902 cycles [64.60%]
1.023141420 seconds time elapsed
Since v2 [3]:
* Rebase to v4.2-rc1
* Split MAINTAINERS changes
* Add arm64 perf code to MAINTAINERS entry
Thanks,
Mark.
[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-May/346538.html
[2] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-May/346555.html
[3] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-June/350109.html
Mark Rutland (9):
arm: perf: factor arm_pmu core out to drivers
arm64: perf: factor out callchain code
arm64: perf: move to shared arm_pmu framework
arm64: perf: condense event number maps
arm64: perf: add Cortex-A53 support
arm64: perf: add Cortex-A57 support
arm64: dts: juno: describe PMUs separately
MAINTAINERS: update ARM PMU profiling and debugging for arm64
MAINTAINERS: add myself as arm perf reviewer
Documentation/devicetree/bindings/arm/pmu.txt | 2 +
MAINTAINERS | 11 +-
arch/arm/Kconfig | 8 +-
arch/arm/kernel/Makefile | 3 +-
arch/arm/kernel/perf_event_v6.c | 2 +-
arch/arm/kernel/perf_event_v7.c | 2 +-
arch/arm/kernel/perf_event_xscale.c | 2 +-
arch/arm/mach-ux500/cpu-db8500.c | 2 +-
arch/arm64/Kconfig | 8 +-
arch/arm64/boot/dts/arm/juno-r1.dts | 18 +-
arch/arm64/boot/dts/arm/juno.dts | 18 +-
arch/arm64/include/asm/perf_event.h | 2 +-
arch/arm64/include/asm/pmu.h | 83 -
arch/arm64/kernel/Makefile | 4 +-
arch/arm64/kernel/perf_callchain.c | 196 +++
arch/arm64/kernel/perf_event.c | 1594 --------------------
arch/arm64/kernel/perf_event_pmuv3.c | 684 +++++++++
drivers/Kconfig | 2 +
drivers/Makefile | 1 +
drivers/perf/Kconfig | 14 +
drivers/perf/Makefile | 1 +
.../kernel/perf_event.c => drivers/perf/arm_pmu.c | 2 +-
.../asm/pmu.h => include/linux/perf/arm_pmu.h | 4 +-
23 files changed, 944 insertions(+), 1719 deletions(-)
delete mode 100644 arch/arm64/include/asm/pmu.h
create mode 100644 arch/arm64/kernel/perf_callchain.c
delete mode 100644 arch/arm64/kernel/perf_event.c
create mode 100644 arch/arm64/kernel/perf_event_pmuv3.c
create mode 100644 drivers/perf/Kconfig
create mode 100644 drivers/perf/Makefile
rename arch/arm/kernel/perf_event.c => drivers/perf/arm_pmu.c (99%)
rename arch/arm/include/asm/pmu.h => include/linux/perf/arm_pmu.h (98%)
--
1.9.1
next reply other threads:[~2015-07-06 11:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 11:23 Mark Rutland [this message]
2015-07-06 11:23 ` [PATCHv3 1/9] arm: perf: factor arm_pmu core out to drivers Mark Rutland
2015-07-20 16:13 ` Will Deacon
2015-07-06 11:23 ` [PATCHv3 2/9] arm64: perf: factor out callchain code Mark Rutland
2015-07-06 11:23 ` [PATCHv3 3/9] arm64: perf: move to shared arm_pmu framework Mark Rutland
2015-07-06 11:23 ` [PATCHv3 4/9] arm64: perf: condense event number maps Mark Rutland
2015-07-06 11:23 ` [PATCHv3 5/9] arm64: perf: add Cortex-A53 support Mark Rutland
2015-07-06 11:23 ` [PATCHv3 6/9] arm64: perf: add Cortex-A57 support Mark Rutland
2015-07-06 11:23 ` [PATCHv3 7/9] arm64: dts: juno: describe PMUs separately Mark Rutland
2015-07-06 11:24 ` [PATCHv3 8/9] MAINTAINERS: update ARM PMU profiling and debugging for arm64 Mark Rutland
2015-07-06 11:24 ` [PATCHv3 9/9] MAINTAINERS: add myself as arm perf reviewer Mark Rutland
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