From: "Li, Miao" <miao.li@intel.com>
To: "Xia, Chenbo" <chenbo.xia@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v5 3/5] net/vhost: implement rte_power_monitor API
Date: Fri, 15 Oct 2021 08:49:49 +0000 [thread overview]
Message-ID: <CO1PR11MB49007B0B4979E299963BFE5EEEB99@CO1PR11MB4900.namprd11.prod.outlook.com> (raw)
In-Reply-To: <DM6PR11MB3499B962496469D01A49BDC99CB99@DM6PR11MB3499.namprd11.prod.outlook.com>
Hi Chenbo,
> -----Original Message-----
> From: Xia, Chenbo <chenbo.xia@intel.com>
> Sent: Friday, October 15, 2021 3:40 PM
> To: Li, Miao <miao.li@intel.com>; dev@dpdk.org
> Cc: maxime.coquelin@redhat.com
> Subject: RE: [PATCH v5 3/5] net/vhost: implement rte_power_monitor API
>
> > -----Original Message-----
> > From: Li, Miao <miao.li@intel.com>
> > Sent: Friday, October 15, 2021 11:12 PM
> > To: dev@dpdk.org
> > Cc: Xia, Chenbo <chenbo.xia@intel.com>; maxime.coquelin@redhat.com; Li,
> Miao
> > <miao.li@intel.com>
> > Subject: [PATCH v5 3/5] net/vhost: implement rte_power_monitor API
> >
> > This patch implements rte_power_monitor API in vhost PMD to reduce
> > power consumption when no packet come in. According to current semantics
> > of power monitor, this commit adds a callback function to decide whether
> > aborts the sleep by checking current value against the expected value and
> > vhost_get_monitor_addr to provide address to monitor. When no packet
> come
> > in, the value of address will not be changed and the running core will
> > sleep. Once packets arrive, the value of address will be changed and the
> > running core will wakeup.
> >
> > Signed-off-by: Miao Li <miao.li@intel.com>
> > ---
> > doc/guides/rel_notes/release_21_11.rst | 4 +++
> > drivers/net/vhost/rte_eth_vhost.c | 40 ++++++++++++++++++++++++++
> > 2 files changed, 44 insertions(+)
> >
> > diff --git a/doc/guides/rel_notes/release_21_11.rst
> > b/doc/guides/rel_notes/release_21_11.rst
> > index ad6d256a55..e6f9c284ae 100644
> > --- a/doc/guides/rel_notes/release_21_11.rst
> > +++ b/doc/guides/rel_notes/release_21_11.rst
> > @@ -76,6 +76,10 @@ New Features
> >
> > Added an API to support power monitor in vhost library.
> >
> > +* **Updated vhost PMD.**
> > +
> > + Implement rte_power_monitor API in vhost PMD.
> > +
> > * **Updated virtio PMD.**
> >
> > Implement rte_power_monitor API in virtio PMD.
> > diff --git a/drivers/net/vhost/rte_eth_vhost.c
> > b/drivers/net/vhost/rte_eth_vhost.c
> > index 2e24e5f7ff..ee665ee64d 100644
> > --- a/drivers/net/vhost/rte_eth_vhost.c
> > +++ b/drivers/net/vhost/rte_eth_vhost.c
> > @@ -1386,6 +1386,45 @@ eth_rx_queue_count(struct rte_eth_dev *dev,
> uint16_t
> > rx_queue_id)
> > return rte_vhost_rx_queue_count(vq->vid, vq->virtqueue_id);
> > }
> >
> > +#define CLB_VAL_IDX 0
> > +#define CLB_MSK_IDX 1
> > +#define CLB_MATCH_IDX 2
> > +static int
> > +vhost_monitor_callback(const uint64_t value,
> > + const uint64_t opaque[RTE_POWER_MONITOR_OPAQUE_SZ])
> > +{
> > + const uint64_t m = opaque[CLB_MSK_IDX];
> > + const uint64_t v = opaque[CLB_VAL_IDX];
> > + const uint64_t c = opaque[CLB_MATCH_IDX];
> > +
> > + if (c)
> > + return (value & m) == v ? -1 : 0;
> > + else
> > + return (value & m) == v ? 0 : -1;
> > +}
> > +
> > +static int
> > +vhost_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond
> *pmc)
> > +{
> > + struct vhost_queue *vq = rx_queue;
> > + struct rte_vhost_power_monitor_cond vhost_pmc;
> > + int ret;
> > + if (vq == NULL)
> > + return -EINVAL;
> > + ret = rte_vhost_get_monitor_addr(vq->vid, vq->virtqueue_id,
> > + &vhost_pmc);
> > + if (ret < 0)
> > + return -EINVAL;
> > + pmc->addr = vhost_pmc.addr;
> > + pmc->opaque[CLB_VAL_IDX] = vhost_pmc.val;
> > + pmc->opaque[CLB_MSK_IDX] = vhost_pmc.mask;
> > + pmc->opaque[CLB_MATCH_IDX] = vhost_pmc.match;
> > + pmc->size = vhost_pmc.size;
> > + pmc->fn = vhost_monitor_callback;
> > +
> > + return 0;
> > +}
> > +
> > static const struct eth_dev_ops ops = {
> > .dev_start = eth_dev_start,
> > .dev_stop = eth_dev_stop,
> > @@ -1405,6 +1444,7 @@ static const struct eth_dev_ops ops = {
> > .xstats_get_names = vhost_dev_xstats_get_names,
> > .rx_queue_intr_enable = eth_rxq_intr_enable,
> > .rx_queue_intr_disable = eth_rxq_intr_disable,
> > + .get_monitor_addr = vhost_get_monitor_addr,
>
> Please align the format with above callbacks: one space is enough after
> 'get_monitor_addr'
I will remove extra space in the next version.
Thanks,
Miao
>
> Thanks,
> Chenbo
>
> > };
> >
> > static int
> > --
> > 2.25.1
next prev parent reply other threads:[~2021-10-15 8:49 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-10 13:05 [dpdk-dev] [PATCH 0/5] CPU Enabling: Implement rte_power_monitor API in virtio/vhost PMD Miao Li
2021-09-10 13:05 ` [dpdk-dev] [PATCH 1/5] net/virtio: implement rte_power_monitor API Miao Li
2021-09-15 8:45 ` Xia, Chenbo
2021-09-17 6:40 ` Li, Miao
2021-09-10 13:05 ` [dpdk-dev] [PATCH 2/5] lib/vhost: " Miao Li
2021-09-15 8:51 ` Xia, Chenbo
2021-09-17 6:51 ` Li, Miao
2021-09-10 13:05 ` [dpdk-dev] [PATCH 3/5] net/vhost: " Miao Li
2021-09-10 13:05 ` [dpdk-dev] [PATCH 4/5] lib/power: modify return of queue_stopped Miao Li
2021-09-10 13:15 ` Burakov, Anatoly
2021-09-10 13:05 ` [dpdk-dev] [PATCH 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-09-10 7:24 ` Maxime Coquelin
2021-09-10 8:33 ` Li, Miao
2021-09-10 8:50 ` David Marchand
2021-09-13 1:41 ` Li, Miao
2021-09-18 13:22 ` [dpdk-dev] [PATCH 0/5] Implement rte_power_monitor API in virtio/vhost PMD Miao Li
2021-09-18 13:22 ` [dpdk-dev] [PATCH 1/5] net/virtio: implement rte_power_monitor API Miao Li
2021-09-18 13:22 ` [dpdk-dev] [PATCH 2/5] vhost: " Miao Li
2021-09-18 13:22 ` [dpdk-dev] [PATCH 3/5] net/vhost: " Miao Li
2021-09-18 13:22 ` [dpdk-dev] [PATCH 4/5] power: modify return of queue_stopped Miao Li
2021-09-18 13:22 ` [dpdk-dev] [PATCH 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-09-24 10:23 ` [dpdk-dev] [PATCH v3 0/5] Implement rte_power_monitor API in virtio/vhost PMD Miao Li
2021-09-24 10:23 ` [dpdk-dev] [PATCH v3 1/5] net/virtio: implement rte_power_monitor API Miao Li
2021-09-29 2:34 ` Xia, Chenbo
2021-09-24 10:23 ` [dpdk-dev] [PATCH v3 2/5] vhost: " Miao Li
2021-09-29 3:01 ` Xia, Chenbo
2021-10-11 5:16 ` Li, Miao
2021-09-24 10:23 ` [dpdk-dev] [PATCH v3 3/5] net/vhost: " Miao Li
2021-09-24 10:23 ` [dpdk-dev] [PATCH v3 4/5] power: modify return of queue_stopped Miao Li
2021-09-29 3:03 ` Xia, Chenbo
2021-10-11 5:18 ` Li, Miao
2021-09-24 10:23 ` [dpdk-dev] [PATCH v3 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-09-29 6:53 ` Xia, Chenbo
2021-10-11 5:22 ` Li, Miao
2021-10-12 14:22 ` [dpdk-dev] [PATCH v4 0/5] Implement rte_power_monitor API in virtio/vhost PMD Miao Li
2021-10-12 14:22 ` [dpdk-dev] [PATCH v4 1/5] net/virtio: implement rte_power_monitor API Miao Li
2021-10-12 14:22 ` [dpdk-dev] [PATCH v4 2/5] vhost: " Miao Li
2021-10-12 14:22 ` [dpdk-dev] [PATCH v4 3/5] net/vhost: " Miao Li
2021-10-12 14:22 ` [dpdk-dev] [PATCH v4 4/5] power: modify return of queue_stopped Miao Li
2021-10-12 14:22 ` [dpdk-dev] [PATCH v4 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-10-15 15:12 ` [dpdk-dev] [PATCH v5 0/5] Implement rte_power_monitor API in virtio/vhost PMD Miao Li
2021-10-15 15:12 ` [dpdk-dev] [PATCH v5 1/5] net/virtio: implement rte_power_monitor API Miao Li
2021-10-15 15:12 ` [dpdk-dev] [PATCH v5 2/5] vhost: " Miao Li
2021-10-15 7:38 ` Xia, Chenbo
2021-10-15 8:47 ` Li, Miao
2021-10-15 15:12 ` [dpdk-dev] [PATCH v5 3/5] net/vhost: " Miao Li
2021-10-15 7:39 ` Xia, Chenbo
2021-10-15 8:49 ` Li, Miao [this message]
2021-10-15 15:12 ` [dpdk-dev] [PATCH v5 4/5] power: modify return of queue_stopped Miao Li
2021-10-15 7:47 ` Xia, Chenbo
2021-10-15 8:50 ` Li, Miao
2021-10-15 15:12 ` [dpdk-dev] [PATCH v5 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-10-15 8:13 ` Xia, Chenbo
2021-10-15 8:51 ` Li, Miao
2021-10-15 17:09 ` [dpdk-dev] [PATCH v6 0/5] Implement rte_power_monitor API in virtio/vhost PMD Miao Li
2021-10-15 12:57 ` Maxime Coquelin
2021-10-18 1:54 ` Li, Miao
2021-10-15 17:09 ` [dpdk-dev] [PATCH v6 1/5] net/virtio: implement rte_power_monitor API Miao Li
2021-10-15 17:09 ` [dpdk-dev] [PATCH v6 2/5] vhost: " Miao Li
2021-10-15 17:09 ` [dpdk-dev] [PATCH v6 3/5] net/vhost: " Miao Li
2021-10-15 17:09 ` [dpdk-dev] [PATCH v6 4/5] power: modify return of queue_stopped Miao Li
2021-10-15 17:09 ` [dpdk-dev] [PATCH v6 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-10-18 14:16 ` [dpdk-dev] [PATCH v7 0/5] Implement rte_power_monitor API in virtio/vhost PMD Miao Li
2021-10-18 14:16 ` [dpdk-dev] [PATCH v7 1/5] net/virtio: implement rte_power_monitor API Miao Li
2021-10-21 16:50 ` Ferruh Yigit
2021-10-22 8:22 ` Li, Miao
2021-10-21 16:59 ` Ferruh Yigit
2021-10-22 8:28 ` Li, Miao
2021-10-22 8:51 ` Li, Miao
2021-10-22 8:59 ` Ferruh Yigit
2021-10-22 9:02 ` Xia, Chenbo
2021-10-22 13:41 ` David Hunt
2021-10-18 14:16 ` [dpdk-dev] [PATCH v7 2/5] vhost: " Miao Li
2021-10-19 4:38 ` Xia, Chenbo
2021-10-22 12:34 ` David Hunt
2021-10-18 14:16 ` [dpdk-dev] [PATCH v7 3/5] net/vhost: " Miao Li
2021-10-19 4:39 ` Xia, Chenbo
2021-10-22 12:01 ` David Hunt
2021-10-18 14:16 ` [dpdk-dev] [PATCH v7 4/5] power: modify return of queue_stopped Miao Li
2021-10-21 16:48 ` Ferruh Yigit
2021-10-22 8:20 ` Li, Miao
2021-10-22 9:01 ` Ferruh Yigit
2021-10-22 9:05 ` Li, Miao
2021-10-22 11:54 ` David Hunt
2021-10-18 14:16 ` [dpdk-dev] [PATCH v7 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-10-19 4:39 ` Xia, Chenbo
2021-10-22 11:50 ` David Hunt
2021-10-21 16:58 ` Ferruh Yigit
2021-10-21 12:35 ` [dpdk-dev] [PATCH v7 0/5] Implement rte_power_monitor API in virtio/vhost PMD Maxime Coquelin
2021-10-25 14:47 ` [dpdk-dev] [PATCH v8 0/5] Support power monitor " Miao Li
2021-10-25 7:06 ` Xia, Chenbo
2021-10-28 8:03 ` Maxime Coquelin
2021-10-25 14:47 ` [dpdk-dev] [PATCH v8 1/5] net/virtio: support power monitor Miao Li
2021-10-25 14:47 ` [dpdk-dev] [PATCH v8 2/5] vhost: add power monitor support API Miao Li
2021-10-25 14:47 ` [dpdk-dev] [PATCH v8 3/5] net/vhost: support power monitor Miao Li
2021-10-25 14:47 ` [dpdk-dev] [PATCH v8 4/5] power: modify return of queue_stopped Miao Li
2021-10-25 14:47 ` [dpdk-dev] [PATCH v8 5/5] examples/l3fwd-power: support virtio/vhost Miao Li
2021-10-29 19:09 ` Ferruh Yigit
2021-10-29 10:34 ` [dpdk-dev] [PATCH v8 0/5] Support power monitor in virtio/vhost PMD Maxime Coquelin
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