From: Will Deacon <will@kernel.org>
To: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 2/3] arm64: perf: Expose some new events via sysfs
Date: Mon, 20 Jul 2020 11:16:42 +0100 [thread overview]
Message-ID: <20200720101642.GB11516@willie-the-truck> (raw)
In-Reply-To: <1592487344-30555-2-git-send-email-zhangshaokun@hisilicon.com>
On Thu, Jun 18, 2020 at 09:35:43PM +0800, Shaokun Zhang wrote:
> Some new PMU events can been detected by PMCEID1_EL0, but it can't
> be listed, Let's expose these through sysfs.
>
> Cc: Will Deacon <will@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
> ---
> arch/arm64/include/asm/perf_event.h | 27 +++++++++++++++++++++++++++
> arch/arm64/kernel/perf_event.c | 19 +++++++++++++++++++
> 2 files changed, 46 insertions(+)
[...]
> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
> index 5f2ac87e4b91..32c87cd48cbe 100644
> --- a/arch/arm64/kernel/perf_event.c
> +++ b/arch/arm64/kernel/perf_event.c
> @@ -222,10 +222,29 @@ static struct attribute *armv8_pmuv3_event_attrs[] = {
> ARMV8_EVENT_ATTR(ll_cache_rd, ARMV8_PMUV3_PERFCTR_LL_CACHE_RD),
> ARMV8_EVENT_ATTR(ll_cache_miss_rd, ARMV8_PMUV3_PERFCTR_LL_CACHE_MISS_RD),
> ARMV8_EVENT_ATTR(remote_access_rd, ARMV8_PMUV3_PERFCTR_REMOTE_ACCESS_RD),
> + ARMV8_EVENT_ATTR(l1d_cache_lmiss_rd, ARMV8_PMUV3_PERFCTR_L1D_CACHE_LMISS_RD),
> + ARMV8_EVENT_ATTR(op_retired, ARMV8_PMUV3_PERFCTR_OP_RETIRED),
> + ARMV8_EVENT_ATTR(op_SPEC, ARMV8_PMUV3_PERFCTR_OP_SPEC),
Weird capitalisation (op_SPEC) here?
Will
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next prev parent reply other threads:[~2020-07-20 11:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-18 13:35 [PATCH v3 1/3] arm64: perf: Add support caps in sysfs Shaokun Zhang
2020-06-18 13:35 ` [PATCH v3 2/3] arm64: perf: Expose some new events via sysfs Shaokun Zhang
2020-07-20 10:16 ` Will Deacon [this message]
2020-06-18 13:35 ` [PATCH v3 3/3] arm64: perf: Correct the event index in sysfs Shaokun Zhang
2020-07-20 10:20 ` Will Deacon
2020-07-07 13:33 ` [PATCH v3 1/3] arm64: perf: Add support caps " Shaokun Zhang
2020-07-20 10:15 ` Will Deacon
2020-07-20 10:50 ` Mark Rutland
2020-07-20 10:54 ` Will Deacon
2020-07-20 13:11 ` Shaokun Zhang
2020-07-21 8:05 ` Shaokun Zhang
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