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received-spf: None (protection.outlook.com: cavium.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: NL7ynFdP78QvBbjApTxdEZwrldXK4JTU3hCv5Aq0wwy2JviXiblAJUG5yoluaAi7bUqwQYJqtkQK+TYRA3rM5VpWKI/b4CJyV4t8SBfHnyKMJPQC8IaBCd4IZhlk6bHVEbsWhg4Eup1kABw5mc2GnFalQaWHi13kCTjTvst1g5Lcz5EbQOC0qAAV5PFfYBlEW5g4qOGTD4V5Plpva4GRlJg5zNzml9sh1ff0dzG6VaYKxUyagugqIaxxLeee9jBhYJRGOb1YsTCAWo9G5JAr2/cuVpYec6SdokLLfgUofuzNBVm8l1i5pcrE96GwQq1+i8Qdusm+w5hCAAeF5xZ3IdbiyAgLaoxW3VkLxeXVkeU= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: cavium.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0a10562c-9f71-429f-392d-08d63a3efdfe X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Oct 2018 05:59:16.0496 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR07MB4626 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset adds PMU driver for Cavium's ThunderX2 SoC UNCORE devices. The SoC has PMU support in L3 cache controller (L3C) and in the DDR4 Memory Controller (DMC). v7: Incorporated review comments [3]. Modified driver as loadable module. Updated Documentation with Event description. Removed per-channel(no SMC calls) sampling implementation( Since DMC and L3C channels are interleave, we have decided to sample channel zero and prorate it to account for a Device). [3] https://patchwork.kernel.org/patch/10479203/ v6: Rebased to 4.18-rc1 Updated with comments from John Garry[3] [3] https://lkml.org/lkml/2018/5/17/408 v5: Incorporated review comments from Mark Rutland[2] v4: Incorporated review comments from Mark Rutland[1] [1] https://www.spinics.net/lists/arm-kernel/msg588563.html [2] https://lkml.org/lkml/2018/4/26/376 v3: Fixed warning reported by kbuild robot v2: Rebased to 4.12-rc1 Removed Arch VULCAN dependency. Update SMC call parameters as per latest firmware. v1: Initial patch Ganapatrao Kulkarni (2): perf, uncore: Adding documentation for ThunderX2 pmu uncore driver ThunderX2, perf : Add Cavium ThunderX2 SoC UNCORE PMU driver Documentation/perf/thunderx2-pmu.txt | 106 ++++ drivers/perf/Kconfig | 9 + drivers/perf/Makefile | 1 + drivers/perf/thunderx2_pmu.c | 867 +++++++++++++++++++++++++++ include/linux/cpuhotplug.h | 1 + 5 files changed, 984 insertions(+) create mode 100644 Documentation/perf/thunderx2-pmu.txt create mode 100644 drivers/perf/thunderx2_pmu.c --=20 2.18.0