Message ID | 20230703124647.215952-11-alexghiti@rivosinc.com |
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State | New |
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[92.145.124.62]) by smtp.gmail.com with ESMTPSA id n20-20020a7bcbd4000000b003fb739d27aesm18799546wmi.35.2023.07.03.05.57.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 05:57:00 -0700 (PDT) From: Alexandre Ghiti <alexghiti@rivosinc.com> To: 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>, Andrew Jones <ajones@ventanamicro.com>, 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 Cc: Alexandre Ghiti <alexghiti@rivosinc.com> Subject: [PATCH v4 10/10] perf: tests: Adapt mmap-basic.c for riscv Date: Mon, 3 Jul 2023 14:46:47 +0200 Message-Id: <20230703124647.215952-11-alexghiti@rivosinc.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230703124647.215952-1-alexghiti@rivosinc.com> References: <20230703124647.215952-1-alexghiti@rivosinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770406029124483959?= X-GMAIL-MSGID: =?utf-8?q?1770406029124483959?= |
Series |
riscv: Allow userspace to directly access perf counters
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Commit Message
Alexandre Ghiti
July 3, 2023, 12:46 p.m. UTC
riscv now supports mmaping hardware counters to userspace so adapt the test to run on this architecture. Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> --- tools/perf/tests/mmap-basic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
Comments
On Mon, Jul 3, 2023 at 5:57 AM Alexandre Ghiti <alexghiti@rivosinc.com> wrote: > > riscv now supports mmaping hardware counters to userspace so adapt the test > to run on this architecture. > > Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> > Reviewed-by: Andrew Jones <ajones@ventanamicro.com> > --- > tools/perf/tests/mmap-basic.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c > index e68ca6229756..f5075ca774f8 100644 > --- a/tools/perf/tests/mmap-basic.c > +++ b/tools/perf/tests/mmap-basic.c > @@ -284,7 +284,7 @@ static struct test_case tests__basic_mmap[] = { > "permissions"), > TEST_CASE_REASON("User space counter reading of instructions", > mmap_user_read_instr, > -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) > +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || __riscv_xlen == 64 > "permissions" > #else > "unsupported" > @@ -292,7 +292,7 @@ static struct test_case tests__basic_mmap[] = { > ), > TEST_CASE_REASON("User space counter reading of cycles", > mmap_user_read_cycles, > -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) > +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || __riscv_xlen == 64 > "permissions" > #else > "unsupported" > -- > 2.39.2 > Reviewed-by: Atish Patra <atishp@rivosinc.com>
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index e68ca6229756..f5075ca774f8 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -284,7 +284,7 @@ static struct test_case tests__basic_mmap[] = { "permissions"), TEST_CASE_REASON("User space counter reading of instructions", mmap_user_read_instr, -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || __riscv_xlen == 64 "permissions" #else "unsupported" @@ -292,7 +292,7 @@ static struct test_case tests__basic_mmap[] = { ), TEST_CASE_REASON("User space counter reading of cycles", mmap_user_read_cycles, -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || __riscv_xlen == 64 "permissions" #else "unsupported"