linux/test-record-user-regs-old-sve-aarch64 at 9d57090e73d5e00e946d7fdd6398c2c0bc3b5525 - linux - MyRedstone

Kernel/linux

mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-07 22:03:14 +00:00

James Clark 9440ebdc33 perf test arm64: Add attr tests for new VG register

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>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221213114739.2312862-5-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2022-12-14 11:24:32 -03:00

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 # 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