Re: [PATCH 0/4] Add support for ARMv8.3-SPE
From: Arnaldo Carvalho de Melo
Date: Tue Jul 28 2020 - 08:06:28 EST
Em Fri, Jul 24, 2020 at 05:16:03PM +0800, Wei Li escreveu:
> The ARMv8.3-SPE adds an Alignment Flag in the Events packet and filtering
> on this event using PMSEVFR_EL1, together with support for the profiling
> of Scalable Vector Extension operations.
Leo, Matthieu, have you had the time to review this? I can take the
tools/ part, the kernel bits should go via the ARM tree or via PeterZ,
> Patch 1: Update the kernel driver, mainly for PMSEVFR_EL1.
> Patch 2: Update the decode process of Events packet and Operation Type
> packet in perf tool.
> Patch 3-4: Synthesize unaligned address access events and partial/empty
> predicated SVE events, also add two itrace options for filtering.
> Wei Li (4):
> drivers/perf: Add support for ARMv8.3-SPE
> perf: arm-spe: Add support for ARMv8.3-SPE
> perf auxtrace: Add new itrace options for ARMv8.3-SPE
> perf: arm-spe: Synthesize new events for ARMv8.3-SPE
> arch/arm64/include/asm/sysreg.h | 4 +-
> drivers/perf/arm_spe_pmu.c | 18 +++--
> tools/perf/Documentation/itrace.txt | 2 +
> .../util/arm-spe-decoder/arm-spe-decoder.c | 11 +++
> .../util/arm-spe-decoder/arm-spe-decoder.h | 3 +
> .../arm-spe-decoder/arm-spe-pkt-decoder.c | 69 ++++++++++++++++++-
> tools/perf/util/arm-spe.c | 61 ++++++++++++++++
> tools/perf/util/auxtrace.c | 8 +++
> tools/perf/util/auxtrace.h | 4 ++
> 9 files changed, 173 insertions(+), 7 deletions(-)