From: Linus Walleij <linusw@kernel.org>
To: Jinjie Ruan <ruanjinjie@huawei.com>
Cc: catalin.marinas@arm.com, will@kernel.org, chenhuacai@kernel.org,
kernel@xen0n.name, hca@linux.ibm.com, gor@linux.ibm.com,
agordeev@linux.ibm.com, borntraeger@linux.ibm.com,
svens@linux.ibm.com, oleg@redhat.com, tglx@kernel.org,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
hpa@zytor.com, arnd@arndb.de, shuah@kernel.org,
kevin.brodsky@arm.com, yeoreum.yun@arm.com,
anshuman.khandual@arm.com, thuth@redhat.com,
ryan.roberts@arm.com, mark.rutland@arm.com, song@kernel.org,
ziyao@disroot.org, schuster.simon@siemens-energy.com,
jremus@linux.ibm.com, akpm@linux-foundation.org,
mathieu.desnoyers@efficios.com, kmal@cock.li,
dvyukov@google.com, reddybalavignesh9979@gmail.com,
x86@kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, loongarch@lists.linux.dev,
linux-s390@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v14 4/4] selftests: sud_test: Support aarch64
Date: Fri, 20 Mar 2026 14:40:59 +0100 [thread overview]
Message-ID: <CAD++jLnGb261e-OBSM0Cq1WeqreC0_mhwr2Drs=jxTA_BPdZJA@mail.gmail.com> (raw)
In-Reply-To: <20260320104222.1381274-5-ruanjinjie@huawei.com>
On Fri, Mar 20, 2026 at 11:41 AM Jinjie Ruan <ruanjinjie@huawei.com> wrote:
> From: kemal <kmal@cock.li>
>
> Support aarch64 to test "Syscall User Dispatch" feature with
> sud_test selftest testcase.
>
> On qemu-kvm machine, the sud_benchmark test results are as below:
>
> # ./sud_benchmark
> Calibrating test set to last ~5 seconds...
> test iterations = 24500000
> Avg syscall time 208ns.
> Enabling syscall trapping.
> Caught sys_1c2
> trapped_call_count 1, native_call_count 0.
> Avg syscall time 213ns.
> Interception overhead: 2.5% (+5ns).
>
> Reviewed-by: Yeoreum Yun <yeoreum.yun@arm.com>
> Signed-off-by: kemal <kmal@cock.li>
> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Yours,
Linus Walleij
prev parent reply other threads:[~2026-03-20 13:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-20 10:42 [PATCH v14 0/4] arm64: Use generic TIF bits for common thread flags Jinjie Ruan
2026-03-20 10:42 ` [PATCH v14 1/4] s390: Rename TIF_SINGLE_STEP to TIF_SINGLESTEP Jinjie Ruan
2026-03-20 10:42 ` [PATCH v14 2/4] asm-generic: Move TIF_SINGLESTEP to generic TIF bits Jinjie Ruan
2026-04-09 7:42 ` Mark Rutland
2026-04-10 3:39 ` Jinjie Ruan
2026-03-20 10:42 ` [PATCH v14 3/4] arm64: Use generic TIF bits for common thread flags Jinjie Ruan
2026-04-01 10:55 ` Catalin Marinas
2026-04-02 1:41 ` Jinjie Ruan
2026-03-20 10:42 ` [PATCH v14 4/4] selftests: sud_test: Support aarch64 Jinjie Ruan
2026-03-20 13:40 ` Linus Walleij [this message]
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