From: anurupvasu@gmail.com (Anurup M)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 07/11] drivers: perf: hisi: Add support for Hisilicon SoC event counters
Date: Thu, 30 Mar 2017 15:18:44 +0530 [thread overview]
Message-ID: <58DCD47C.2010501@gmail.com> (raw)
In-Reply-To: <20170321165252.GA29116@leverpostej>
On Tuesday 21 March 2017 10:22 PM, Mark Rutland wrote:
> +static int hisi_hw_perf_event_init(struct perf_event *event)
> >+{
> >+ struct hw_perf_event *hwc = &event->hw;
> >+ struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);
> >+ struct device *dev = hisi_pmu->dev;
>> +
>> >+ /*
>> >+ * We must NOT create groups containing mixed PMUs, although
>> >+ * software events are acceptable
>> >+ */
>> >+ if (event->group_leader->pmu != event->pmu &&
>> >+ !is_software_event(event->group_leader))
>> >+ return -EINVAL;
>> >+
>> >+ list_for_each_entry(sibling, &event->group_leader->sibling_list,
>> >+ group_entry)
>> >+ if (sibling->pmu != event->pmu && !is_software_event(sibling))
>> >+ return -EINVAL;
> Please also check the number of counters.
Sorry, I could not follow this comment correctly. Could you please explain ?
I check the available counters and update used mask in pmu_add -->
get_event_index
Thanks,
Anurup
> [...]
>
WARNING: multiple messages have this Message-ID (diff)
From: Anurup M <anurupvasu@gmail.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: will.deacon@arm.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, anurup.m@huawei.com,
zhangshaokun@hisilicon.com, tanxiaojun@huawei.com,
xuwei5@hisilicon.com, sanil.kumar@hisilicon.com,
john.garry@huawei.com, gabriele.paoloni@huawei.com,
shiju.jose@huawei.com, huangdaode@hisilicon.com,
linuxarm@huawei.com, dikshit.n@huawei.com, shyju.pv@huawei.com
Subject: Re: [PATCH v6 07/11] drivers: perf: hisi: Add support for Hisilicon SoC event counters
Date: Thu, 30 Mar 2017 15:18:44 +0530 [thread overview]
Message-ID: <58DCD47C.2010501@gmail.com> (raw)
In-Reply-To: <20170321165252.GA29116@leverpostej>
On Tuesday 21 March 2017 10:22 PM, Mark Rutland wrote:
> +static int hisi_hw_perf_event_init(struct perf_event *event)
> >+{
> >+ struct hw_perf_event *hwc = &event->hw;
> >+ struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);
> >+ struct device *dev = hisi_pmu->dev;
>> +
>> >+ /*
>> >+ * We must NOT create groups containing mixed PMUs, although
>> >+ * software events are acceptable
>> >+ */
>> >+ if (event->group_leader->pmu != event->pmu &&
>> >+ !is_software_event(event->group_leader))
>> >+ return -EINVAL;
>> >+
>> >+ list_for_each_entry(sibling, &event->group_leader->sibling_list,
>> >+ group_entry)
>> >+ if (sibling->pmu != event->pmu && !is_software_event(sibling))
>> >+ return -EINVAL;
> Please also check the number of counters.
Sorry, I could not follow this comment correctly. Could you please explain ?
I check the available counters and update used mask in pmu_add -->
get_event_index
Thanks,
Anurup
> [...]
>
next prev parent reply other threads:[~2017-03-30 9:48 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-10 6:28 [PATCH v6 07/11] drivers: perf: hisi: Add support for Hisilicon SoC event counters Anurup M
2017-03-10 6:28 ` Anurup M
2017-03-21 16:52 ` Mark Rutland
2017-03-21 16:52 ` Mark Rutland
2017-03-24 10:18 ` Anurup M
2017-03-24 10:18 ` Anurup M
2017-03-24 11:57 ` Mark Rutland
2017-03-24 11:57 ` Mark Rutland
2017-03-27 6:34 ` Anurup M
2017-03-27 6:34 ` Anurup M
2017-03-30 9:48 ` Anurup M [this message]
2017-03-30 9:48 ` Anurup M
2017-03-30 10:46 ` Mark Rutland
2017-03-30 10:46 ` Mark Rutland
2017-03-31 14:13 ` Anurup M
2017-03-31 14:13 ` Anurup M
2017-03-31 14:23 ` Mark Rutland
2017-03-31 14:23 ` Mark Rutland
2017-03-31 15:04 ` Anurup M
2017-03-31 15:04 ` Anurup M
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