linux-kernel - [PATCH V4 0/6] csky: Add pmu hardware sampling support

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Date:   Tue,  4 Jun 2019 10:23:54 +0800
From:   Mao Han <han_mao@...ky.com>
To:     linux-kernel@...r.kernel.org
Cc:     Mao Han <han_mao@...ky.com>, linux-csky@...r.kernel.org,
        Guo Ren <guoren@...nel.org>
Subject: [PATCH V4 0/6] csky: Add pmu hardware sampling support

This patch set add hardware sampling support for csky-pmu, and
also add some properties to pmu node definition. perf can record
on hardware event with this patch applied.

Cc: Guo Ren <guoren@...nel.org>

Changes since v3:
  - change reg-io-width to count-width
  - use macro sign_extend64
  - update commit log

Changes since v2:
  - update dt-binding(csky pmu use rising edge interrupt)
  - use cpuhp_setup_state to enable irq(fix irq enable on smp)

Changes since v1:
  - do not update hpcr when event type is invalid(fix option
    --all-kernel/--all-user)

Guo Ren (1):
  csky: Fixup some error count in 810 & 860.

Mao Han (5):
  csky: Init pmu as a device
  csky: Add count-width property for csky pmu
  csky: Add pmu interrupt support
  dt-bindings: csky: Add csky PMU bindings
  csky: Fix perf record in kernel/user space

 Documentation/devicetree/bindings/csky/pmu.txt |  38 +++
 arch/csky/kernel/perf_event.c                  | 424 +++++++++++++++++++++++--
 2 files changed, 441 insertions(+), 21 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/csky/pmu.txt

-- 
2.7.4