new file mode 100644
@@ -0,0 +1,9 @@
+# Test that asking for VG fails if the system doesn't support SVE. This
+# applies both before and after the feature was added in 6.1
+[config]
+command = record
+args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1
+ret = 129
+test_ret = true
+arch = aarch64
+auxv = auxv["AT_HWCAP"] & 0x200000 == 0
new file mode 100644
@@ -0,0 +1,10 @@
+# Test that asking for VG always fails on old kernels because it was
+# added in 6.1. This applies to systems that either support or don't
+# support SVE.
+[config]
+command = record
+args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1
+ret = 129
+test_ret = true
+arch = aarch64
+kernel_until = 6.1
new file mode 100644
@@ -0,0 +1,14 @@
+# Test that asking for VG works if the system has SVE and after the
+# feature was added in 6.1
+[config]
+command = record
+args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1
+ret = 1
+test_ret = true
+arch = aarch64
+auxv = auxv["AT_HWCAP"] & 0x200000 == 0x200000
+kernel_since = 6.1
+
+[event:base-record]
+sample_type=4359
+sample_regs_user=70368744177664
Ensure that the availability of the VG register behaves as expected depending on the kernel version and SVE support. Signed-off-by: James Clark <james.clark@arm.com> --- .../attr/test-record-user-regs-no-sve-aarch64 | 9 +++++++++ .../attr/test-record-user-regs-old-sve-aarch64 | 10 ++++++++++ .../tests/attr/test-record-user-regs-sve-aarch64 | 14 ++++++++++++++ 3 files changed, 33 insertions(+) create mode 100644 tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 create mode 100644 tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64 create mode 100644 tools/perf/tests/attr/test-record-user-regs-sve-aarch64