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diff --git a/tools/testing/selftests/arm64/fp/fp-pidbench.S b/tools/testing/selftests/arm64/fp/fp-pidbench.S
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+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (C) 2021 ARM Limited.
+// Original author: Mark Brown <broonie@kernel.org>
+//
+// Trivial syscall overhead benchmark.
+//
+// This is implemented in asm to ensure that we don't have any issues with
+// system libraries using instructions that disrupt the test.
+
+#include <asm/unistd.h>
+#include "assembler.h"
+
+.arch_extension sve
+
+.macro test_loop per_loop
+ mov x10, x20
+ mov x8, #__NR_getpid
+ mrs x11, CNTVCT_EL0
+1:
+ \per_loop
+ svc #0
+ sub x10, x10, #1
+ cbnz x10, 1b
+
+ mrs x12, CNTVCT_EL0
+ sub x0, x12, x11
+ bl putdec
+ puts "\n"
+.endm
+
+// Main program entry point
+.globl _start
+function _start
+_start:
+ puts "Iterations per test: "
+ mov x20, #10000
+ lsl x20, x20, #8
+ mov x0, x20
+ bl putdec
+ puts "\n"
+
+ // Test having never used SVE
+ puts "No SVE: "
+ test_loop
+
+ // Check for SVE support - should use hwcap but that's hard in asm
+ mrs x0, ID_AA64PFR0_EL1
+ ubfx x0, x0, #32, #4
+ cbnz x0, 1f
+ puts "System does not support SVE\n"
+ b out
+1:
+
+ // Execute a SVE instruction
+ puts "SVE VL: "
+ rdvl x0, #8
+ bl putdec
+ puts "\n"
+
+ puts "SVE used once: "
+ test_loop
+
+ // Use SVE per syscall
+ puts "SVE used per syscall: "
+ test_loop "rdvl x0, #8"
+
+ // And we're done
+out:
+ mov x0, #0
+ mov x8, #__NR_exit
+ svc #0