From: Andrew Jones <ajones@ventanamicro.com>
To: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Atish Patra <atishp@atishpatra.org>,
Anup Patel <anup@brainfault.org>, Will Deacon <will@kernel.org>,
Rob Herring <robh@kernel.org>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-perf-users@vger.kernel.org,
linux-riscv@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 05/10] riscv: Prepare for user-space perf event mmap support
Date: Wed, 31 May 2023 16:24:16 +0200 [thread overview]
Message-ID: <20230531-107c91fd5c1926f7c8a2a25d@orel> (raw)
In-Reply-To: <20230512085321.13259-6-alexghiti@rivosinc.com>
On Fri, May 12, 2023 at 10:53:16AM +0200, Alexandre Ghiti wrote:
> Provide all the necessary bits in the generic riscv pmu driver to be
> able to mmap perf events in userspace: the heavy lifting lies in the
> driver backend, namely the legacy and sbi implementations.
>
> Note that arch_perf_update_userpage is almost a copy of arm64 code.
>
> Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
> ---
> arch/riscv/kernel/Makefile | 2 +-
> arch/riscv/kernel/perf_event.c | 58 ++++++++++++++++++++++++++++++++++
> drivers/perf/riscv_pmu.c | 41 ++++++++++++++++++++++++
> include/linux/perf/riscv_pmu.h | 4 +++
> 4 files changed, 104 insertions(+), 1 deletion(-)
> create mode 100644 arch/riscv/kernel/perf_event.c
>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
next prev parent reply other threads:[~2023-05-31 14:24 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-12 8:53 [PATCH v2 00/10] riscv: Allow userspace to directly access perf counters Alexandre Ghiti
2023-05-12 8:53 ` [PATCH v2 01/10] perf: Fix wrong comment about default event_idx Alexandre Ghiti
2023-05-31 13:54 ` Andrew Jones
2023-06-15 7:10 ` Alexandre Ghiti
2023-06-15 8:24 ` Atish Patra
2023-05-12 8:53 ` [PATCH v2 02/10] include: riscv: Fix wrong include guard in riscv_pmu.h Alexandre Ghiti
2023-05-31 13:56 ` Andrew Jones
2023-06-15 8:36 ` Atish Patra
2023-05-12 8:53 ` [PATCH v2 03/10] riscv: Make legacy counter enum match the HW numbering Alexandre Ghiti
2023-05-31 14:01 ` Andrew Jones
2023-06-15 7:16 ` Alexandre Ghiti
2023-05-12 8:53 ` [PATCH v2 04/10] drivers: perf: Rename riscv pmu driver Alexandre Ghiti
2023-05-31 14:09 ` Andrew Jones
2023-06-15 7:25 ` Alexandre Ghiti
2023-06-15 8:34 ` Atish Patra
2023-05-12 8:53 ` [PATCH v2 05/10] riscv: Prepare for user-space perf event mmap support Alexandre Ghiti
2023-05-31 14:24 ` Andrew Jones [this message]
2023-06-16 8:28 ` Atish Patra
2023-06-16 8:56 ` Alexandre Ghiti
2023-06-20 15:27 ` Atish Patra
2023-05-12 8:53 ` [PATCH v2 06/10] drivers: perf: Implement perf event mmap support in the legacy backend Alexandre Ghiti
2023-05-31 14:27 ` Andrew Jones
2023-06-15 7:38 ` Alexandre Ghiti
2023-05-12 8:53 ` [PATCH v2 07/10] drivers: perf: Implement perf event mmap support in the SBI backend Alexandre Ghiti
2023-05-31 15:02 ` Andrew Jones
2023-06-15 8:41 ` Atish Patra
2023-06-15 13:27 ` Heinrich Schuchardt
2023-06-16 7:44 ` Atish Patra
2023-06-15 9:52 ` Alexandre Ghiti
2023-05-12 8:53 ` [PATCH v2 08/10] Documentation: admin-guide: Add riscv sysctl_perf_user_access Alexandre Ghiti
2023-05-31 15:07 ` Andrew Jones
2023-05-31 17:08 ` Atish Patra
2023-06-15 10:00 ` Alexandre Ghiti
2023-05-12 8:53 ` [PATCH v2 09/10] tools: lib: perf: Implement riscv mmap support Alexandre Ghiti
2023-05-31 15:12 ` Andrew Jones
2023-06-16 8:43 ` Atish Patra
2023-06-16 9:06 ` Alexandre Ghiti
2023-06-19 19:04 ` Atish Patra
2023-05-12 8:53 ` [PATCH v2 10/10] perf: tests: Adapt mmap-basic.c for riscv Alexandre Ghiti
2023-05-31 15:15 ` Andrew Jones
2023-06-05 13:53 ` Arnaldo Carvalho de Melo
2023-06-05 14:02 ` Alexandre Ghiti
[not found] ` <CAHVXubhofC+WaSysWaxcTA2GdJAF8kTD3COBeQDAy25af_rSLg@mail.gmail.com>
2023-06-05 14:31 ` Arnaldo Carvalho de Melo
2023-06-15 10:02 ` Alexandre Ghiti
2023-05-15 17:50 ` [PATCH v2 00/10] riscv: Allow userspace to directly access perf counters Conor Dooley
2023-06-21 23:37 ` Palmer Dabbelt
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