From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFCv4 1/7] drivers/perf: arm_pmu: add common attr group fields
Date: Fri, 9 Sep 2016 12:05:58 +0100 [thread overview]
Message-ID: <20160909110558.GC10562@leverpostej> (raw)
In-Reply-To: <20160909102554.GF20192@arm.com>
On Fri, Sep 09, 2016 at 11:25:54AM +0100, Will Deacon wrote:
> On Thu, Sep 08, 2016 at 11:21:46AM +0100, Mark Rutland wrote:
> > +enum armpmu_attr_groups {
> > + ARMPMU_ATTR_GROUP_EVENTS,
> > + ARMPMU_ATTR_GROUP_FORMATS,
> > + ARMPMU_NR_ATTR_GROUPS
> > +};
> > +
> > struct arm_pmu {
> > struct pmu pmu;
> > cpumask_t active_irqs;
> > @@ -111,6 +117,7 @@ struct arm_pmu {
> > struct pmu_hw_events __percpu *hw_events;
> > struct list_head entry;
> > struct notifier_block cpu_pm_nb;
> > + const struct attribute_group *attr_groups[ARMPMU_NR_ATTR_GROUPS + 1];
>
> Is the '+ 1' because the array has to be NULL terminated?
Yes.
> Probably worth a comment to disuade people from sending "obvious"
> fixes.
Sure. I had meant to do this already, but forgot. :/
Thanks,
Mark.
WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com>
To: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, acme@kernel.org,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
mingo@redhat.com, peterz@infradead.org
Subject: Re: [RFCv4 1/7] drivers/perf: arm_pmu: add common attr group fields
Date: Fri, 9 Sep 2016 12:05:58 +0100 [thread overview]
Message-ID: <20160909110558.GC10562@leverpostej> (raw)
In-Reply-To: <20160909102554.GF20192@arm.com>
On Fri, Sep 09, 2016 at 11:25:54AM +0100, Will Deacon wrote:
> On Thu, Sep 08, 2016 at 11:21:46AM +0100, Mark Rutland wrote:
> > +enum armpmu_attr_groups {
> > + ARMPMU_ATTR_GROUP_EVENTS,
> > + ARMPMU_ATTR_GROUP_FORMATS,
> > + ARMPMU_NR_ATTR_GROUPS
> > +};
> > +
> > struct arm_pmu {
> > struct pmu pmu;
> > cpumask_t active_irqs;
> > @@ -111,6 +117,7 @@ struct arm_pmu {
> > struct pmu_hw_events __percpu *hw_events;
> > struct list_head entry;
> > struct notifier_block cpu_pm_nb;
> > + const struct attribute_group *attr_groups[ARMPMU_NR_ATTR_GROUPS + 1];
>
> Is the '+ 1' because the array has to be NULL terminated?
Yes.
> Probably worth a comment to disuade people from sending "obvious"
> fixes.
Sure. I had meant to do this already, but forgot. :/
Thanks,
Mark.
next prev parent reply other threads:[~2016-09-09 11:05 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-08 10:21 [RFCv4 0/7] arm_pmu/perf tools: play nicely with CPU PMU cpumasks Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 1/7] drivers/perf: arm_pmu: add common attr group fields Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-09 10:25 ` Will Deacon
2016-09-09 10:25 ` Will Deacon
2016-09-09 11:05 ` Mark Rutland [this message]
2016-09-09 11:05 ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 2/7] arm64: perf: move to common attr_group fields Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 3/7] arm: " Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 4/7] drivers/perf: arm_pmu: only use common attr_groups Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 5/7] drivers/perf: arm_pmu: expose a cpumask in sysfs Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-09 10:24 ` Will Deacon
2016-09-09 10:24 ` Will Deacon
2016-09-09 11:04 ` Mark Rutland
2016-09-09 11:04 ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 6/7] perf: util: only open events on CPUs an evsel permits Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-09 5:53 ` [tip:perf/core] perf evlist: Only " tip-bot for Mark Rutland
2016-09-08 10:21 ` [RFCv4 7/7] perf: util: support alternative sysfs cpumask Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-09 5:54 ` [tip:perf/core] perf pmu: Support " tip-bot for Mark Rutland
2016-09-08 10:38 ` [RFCv4 0/7] arm_pmu/perf tools: play nicely with CPU PMU cpumasks Will Deacon
2016-09-08 10:38 ` Will Deacon
2016-09-08 11:29 ` Mark Rutland
2016-09-08 11:29 ` Mark Rutland
2016-09-08 16:25 ` Arnaldo Carvalho de Melo
2016-09-08 16:25 ` Arnaldo Carvalho de Melo
2016-09-08 18:16 ` Peter Zijlstra
2016-09-08 18:16 ` Peter Zijlstra
2016-09-09 9:31 ` Will Deacon
2016-09-09 9:31 ` Will Deacon
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