[dpdk-dev] [PATCH v5 21/35] event/cnxk: add event port and queue xstats

Jerin Jacob jerinjacobk at gmail.com
Tue May 4 12:08:16 CEST 2021


On Tue, May 4, 2021 at 3:21 PM Kinsella, Ray <mdr at ashroe.eu> wrote:
>
>
>
> On 04/05/2021 01:27, pbhagavatula at marvell.com wrote:
> > From: Pavan Nikhilesh <pbhagavatula at marvell.com>
> >
> > Add support for retrieving statistics from SSO HWS and HWGRP.
> >
> > Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
> > ---
> >  drivers/common/cnxk/roc_sso.c            |  63 +++++
> >  drivers/common/cnxk/roc_sso.h            |  19 ++
> >  drivers/common/cnxk/version.map          |   2 +
> >  drivers/event/cnxk/cnxk_eventdev.h       |  15 ++
> >  drivers/event/cnxk/cnxk_eventdev_stats.c | 289 +++++++++++++++++++++++
> >  drivers/event/cnxk/meson.build           |   3 +-
> >  6 files changed, 390 insertions(+), 1 deletion(-)
> >  create mode 100644 drivers/event/cnxk/cnxk_eventdev_stats.c
> >
> > diff --git a/drivers/common/cnxk/roc_sso.c b/drivers/common/cnxk/roc_sso.c
> > index 80d032039..1ccf2626b 100644
> > --- a/drivers/common/cnxk/roc_sso.c
> > +++ b/drivers/common/cnxk/roc_sso.c
> > @@ -279,6 +279,69 @@ roc_sso_hws_unlink(struct roc_sso *roc_sso, uint8_t hws, uint16_t hwgrp[],
> >       return nb_hwgrp;
> >  }
> >
> > +int
> > +roc_sso_hws_stats_get(struct roc_sso *roc_sso, uint8_t hws,
> > +                   struct roc_sso_hws_stats *stats)
> > +{
> > +     struct dev *dev = &roc_sso_to_sso_priv(roc_sso)->dev;
> > +     struct sso_hws_stats *req_rsp;
> > +     int rc;
> > +
> > +     req_rsp = (struct sso_hws_stats *)mbox_alloc_msg_sso_hws_get_stats(
> > +             dev->mbox);
> > +     if (req_rsp == NULL) {
> > +             rc = mbox_process(dev->mbox);
> > +             if (rc < 0)
> > +                     return rc;
> > +             req_rsp = (struct sso_hws_stats *)
> > +                     mbox_alloc_msg_sso_hws_get_stats(dev->mbox);
> > +             if (req_rsp == NULL)
> > +                     return -ENOSPC;
> > +     }
> > +     req_rsp->hws = hws;
> > +     rc = mbox_process_msg(dev->mbox, (void **)&req_rsp);
> > +     if (rc)
> > +             return rc;
> > +
> > +     stats->arbitration = req_rsp->arbitration;
> > +     return 0;
> > +}
> > +
> > +int
> > +roc_sso_hwgrp_stats_get(struct roc_sso *roc_sso, uint8_t hwgrp,
> > +                     struct roc_sso_hwgrp_stats *stats)
> > +{
> > +     struct dev *dev = &roc_sso_to_sso_priv(roc_sso)->dev;
> > +     struct sso_grp_stats *req_rsp;
> > +     int rc;
> > +
> > +     req_rsp = (struct sso_grp_stats *)mbox_alloc_msg_sso_grp_get_stats(
> > +             dev->mbox);
> > +     if (req_rsp == NULL) {
> > +             rc = mbox_process(dev->mbox);
> > +             if (rc < 0)
> > +                     return rc;
> > +             req_rsp = (struct sso_grp_stats *)
> > +                     mbox_alloc_msg_sso_grp_get_stats(dev->mbox);
> > +             if (req_rsp == NULL)
> > +                     return -ENOSPC;
> > +     }
> > +     req_rsp->grp = hwgrp;
> > +     rc = mbox_process_msg(dev->mbox, (void **)&req_rsp);
> > +     if (rc)
> > +             return rc;
> > +
> > +     stats->aw_status = req_rsp->aw_status;
> > +     stats->dq_pc = req_rsp->dq_pc;
> > +     stats->ds_pc = req_rsp->ds_pc;
> > +     stats->ext_pc = req_rsp->ext_pc;
> > +     stats->page_cnt = req_rsp->page_cnt;
> > +     stats->ts_pc = req_rsp->ts_pc;
> > +     stats->wa_pc = req_rsp->wa_pc;
> > +     stats->ws_pc = req_rsp->ws_pc;
> > +     return 0;
> > +}
> > +
> >  int
> >  roc_sso_hwgrp_hws_link_status(struct roc_sso *roc_sso, uint8_t hws,
> >                             uint16_t hwgrp)
> > diff --git a/drivers/common/cnxk/roc_sso.h b/drivers/common/cnxk/roc_sso.h
> > index f85799ba8..a6030e7d8 100644
> > --- a/drivers/common/cnxk/roc_sso.h
> > +++ b/drivers/common/cnxk/roc_sso.h
> > @@ -12,6 +12,21 @@ struct roc_sso_hwgrp_qos {
> >       uint8_t taq_prcnt;
> >  };
> >
> > +struct roc_sso_hws_stats {
> > +     uint64_t arbitration;
> > +};
> > +
> > +struct roc_sso_hwgrp_stats {
> > +     uint64_t ws_pc;
> > +     uint64_t ext_pc;
> > +     uint64_t wa_pc;
> > +     uint64_t ts_pc;
> > +     uint64_t ds_pc;
> > +     uint64_t dq_pc;
> > +     uint64_t aw_status;
> > +     uint64_t page_cnt;
> > +};
> > +
> >  struct roc_sso {
> >       struct plt_pci_device *pci_dev;
> >       /* Public data. */
> > @@ -61,5 +76,9 @@ uintptr_t __roc_api roc_sso_hwgrp_base_get(struct roc_sso *roc_sso,
> >  /* Debug */
> >  void __roc_api roc_sso_dump(struct roc_sso *roc_sso, uint8_t nb_hws,
> >                           uint16_t hwgrp, FILE *f);
> > +int __roc_api roc_sso_hwgrp_stats_get(struct roc_sso *roc_sso, uint8_t hwgrp,
> > +                                   struct roc_sso_hwgrp_stats *stats);
> Missing rte_internal?
> > +int __roc_api roc_sso_hws_stats_get(struct roc_sso *roc_sso, uint8_t hws,
> > +                                 struct roc_sso_hws_stats *stats);
> Missing rte_internal?

In order to avoid changes in the common code(which is used by other
environments),
drivers/common/cnxk/roc_platform.h has #define __roc_api
__rte_internal
to meet above use case.



> >
> >  #endif /* _ROC_SSOW_H_ */
> > diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
> > index 5f2264f23..8e67c83a6 100644
> > --- a/drivers/common/cnxk/version.map
> > +++ b/drivers/common/cnxk/version.map
> > @@ -183,8 +183,10 @@ INTERNAL {
> >       roc_sso_hwgrp_qos_config;
> >       roc_sso_hwgrp_release_xaq;
> >       roc_sso_hwgrp_set_priority;
> > +     roc_sso_hwgrp_stats_get;
> >       roc_sso_hws_base_get;
> >       roc_sso_hws_link;
> > +     roc_sso_hws_stats_get;
> >       roc_sso_hws_unlink;
> >       roc_sso_ns_to_gw;
> >       roc_sso_rsrc_fini;
> > diff --git a/drivers/event/cnxk/cnxk_eventdev.h b/drivers/event/cnxk/cnxk_eventdev.h
> > index 9af04bc3d..abe36f21f 100644
> > --- a/drivers/event/cnxk/cnxk_eventdev.h
> > +++ b/drivers/event/cnxk/cnxk_eventdev.h
> > @@ -214,6 +214,21 @@ int cnxk_sso_close(struct rte_eventdev *event_dev, cnxk_sso_unlink_t unlink_fn);
> >  int cnxk_sso_selftest(const char *dev_name);
> >  void cnxk_sso_dump(struct rte_eventdev *event_dev, FILE *f);
> >
> > +/* Stats API. */
> > +int cnxk_sso_xstats_get_names(const struct rte_eventdev *event_dev,
> > +                           enum rte_event_dev_xstats_mode mode,
> > +                           uint8_t queue_port_id,
> > +                           struct rte_event_dev_xstats_name *xstats_names,
> > +                           unsigned int *ids, unsigned int size);
> > +int cnxk_sso_xstats_get(const struct rte_eventdev *event_dev,
> > +                     enum rte_event_dev_xstats_mode mode,
> > +                     uint8_t queue_port_id, const unsigned int ids[],
> > +                     uint64_t values[], unsigned int n);
> > +int cnxk_sso_xstats_reset(struct rte_eventdev *event_dev,
> > +                       enum rte_event_dev_xstats_mode mode,
> > +                       int16_t queue_port_id, const uint32_t ids[],
> > +                       uint32_t n);
> > +
> >  /* CN9K */
> >  void cn9k_sso_set_rsrc(void *arg);
> >
> > diff --git a/drivers/event/cnxk/cnxk_eventdev_stats.c b/drivers/event/cnxk/cnxk_eventdev_stats.c
> > new file mode 100644
> > +             "inuse_pages",
> > +             offsetof(struct roc_sso_hwgrp_stats, page_cnt),
> > +             0xFFFFFFFF,
> > +             0,
> > +             {0},
> > +     },
> > +};
> > +
> > +#define CNXK_SSO_NUM_HWS_XSTATS RTE_DIM(sso_hws_xstats)
> > +#define CNXK_SSO_NUM_GRP_XSTATS RTE_DIM(sso_hwgrp_xstats)
> > +
> > +#define CNXK_SSO_NUM_XSTATS (CNXK_SSO_NUM_HWS_XSTATS + CNXK_SSO_NUM_GRP_XSTATS)
> > +
> > +int
> > +cnxk_sso_xstats_get(const struct rte_eventdev *event_dev,
> > +                 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
> > +                 const unsigned int ids[], uint64_t values[], unsigned int n)
> > +{
> > +     struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
> > +     struct roc_sso_hwgrp_stats hwgrp_stats;
> > +     struct cnxk_sso_xstats_name *xstats;
> > +     struct cnxk_sso_xstats_name *xstat;
> > +     struct roc_sso_hws_stats hws_stats;
> > +     uint32_t xstats_mode_count = 0;
> > +     uint32_t start_offset = 0;
> > +     unsigned int i;
> > +     uint64_t value;
> > +     void *rsp;
> > +     int rc;
> > +
> > +     switch (mode) {
> > +     case RTE_EVENT_DEV_XSTATS_DEVICE:
> > +             return 0;
> > +     case RTE_EVENT_DEV_XSTATS_PORT:
> > +             if (queue_port_id >= (signed int)dev->nb_event_ports)
> > +                     goto invalid_value;
> > +
> > +             xstats_mode_count = CNXK_SSO_NUM_HWS_XSTATS;
> > +             xstats = sso_hws_xstats;
> > +
> > +             rc = roc_sso_hws_stats_get(&dev->sso, queue_port_id,
> > +                                        &hws_stats);
> > +             if (rc < 0)
> > +                     goto invalid_value;
> > +             rsp = &hws_stats;
> > +             break;
> > +     case RTE_EVENT_DEV_XSTATS_QUEUE:
> > +             if (queue_port_id >= (signed int)dev->nb_event_queues)
> > +                     goto invalid_value;
> > +
> > +             xstats_mode_count = CNXK_SSO_NUM_GRP_XSTATS;
> > +             start_offset = CNXK_SSO_NUM_HWS_XSTATS;
> > +             xstats = sso_hwgrp_xstats;
> > +
> > +             rc = roc_sso_hwgrp_stats_get(&dev->sso, queue_port_id,
> > +                                          &hwgrp_stats);
> > +             if (rc < 0)
> > +                     goto invalid_value;
> > +             rsp = &hwgrp_stats;
> > +
> > +             break;
> > +     default:
> > +             plt_err("Invalid mode received");
> > +             goto invalid_value;
> > +     };
> > +
> > +     for (i = 0; i < n && i < xstats_mode_count; i++) {
> > +             xstat = &xstats[ids[i] - start_offset];
> > +             value = *(uint64_t *)((char *)rsp + xstat->offset);
> > +             value = (value >> xstat->shift) & xstat->mask;
> > +
> > +             values[i] = value;
> > +             values[i] -= xstat->reset_snap[queue_port_id];
> > +     }
> > +
> > +     return i;
> > +invalid_value:
> > +     return -EINVAL;
> > +}
> > +
> > +int
> > +cnxk_sso_xstats_reset(struct rte_eventdev *event_dev,
> > +                   enum rte_event_dev_xstats_mode mode,
> > +                   int16_t queue_port_id, const uint32_t ids[], uint32_t n)
> > +{
> > +     struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
> > +     struct roc_sso_hwgrp_stats hwgrp_stats;
> > +     struct cnxk_sso_xstats_name *xstats;
> > +     struct cnxk_sso_xstats_name *xstat;
> > +     struct roc_sso_hws_stats hws_stats;
> > +     uint32_t xstats_mode_count = 0;
> > +     uint32_t start_offset = 0;
> > +     unsigned int i;
> > +     uint64_t value;
> > +     void *rsp;
> > +     int rc;
> > +
> > +     switch (mode) {
> > +     case RTE_EVENT_DEV_XSTATS_DEVICE:
> > +             return 0;
> > +     case RTE_EVENT_DEV_XSTATS_PORT:
> > +             if (queue_port_id >= (signed int)dev->nb_event_ports)
> > +                     goto invalid_value;
> > +
> > +             xstats_mode_count = CNXK_SSO_NUM_HWS_XSTATS;
> > +             xstats = sso_hws_xstats;
> > +             rc = roc_sso_hws_stats_get(&dev->sso, queue_port_id,
> > +                                        &hws_stats);
> > +             if (rc < 0)
> > +                     goto invalid_value;
> > +             rsp = &hws_stats;
> > +             break;
> > +     case RTE_EVENT_DEV_XSTATS_QUEUE:
> > +             if (queue_port_id >= (signed int)dev->nb_event_queues)
> > +                     goto invalid_value;
> > +
> > +             xstats_mode_count = CNXK_SSO_NUM_GRP_XSTATS;
> > +             start_offset = CNXK_SSO_NUM_HWS_XSTATS;
> > +             xstats = sso_hwgrp_xstats;
> > +
> > +             rc = roc_sso_hwgrp_stats_get(&dev->sso, queue_port_id,
> > +                                          &hwgrp_stats);
> > +             if (rc < 0)
> > +                     goto invalid_value;
> > +             rsp = &hwgrp_stats;
> > +             break;
> > +     default:
> > +             plt_err("Invalid mode received");
> > +             goto invalid_value;
> > +     };
> > +
> > +     for (i = 0; i < n && i < xstats_mode_count; i++) {
> > +             xstat = &xstats[ids[i] - start_offset];
> > +             value = *(uint64_t *)((char *)rsp + xstat->offset);
> > +             value = (value >> xstat->shift) & xstat->mask;
> > +
> > +             xstat->reset_snap[queue_port_id] = value;
> > +     }
> > +     return i;
> > +invalid_value:
> > +     return -EINVAL;
> > +}
> > +
> > +int
> > +cnxk_sso_xstats_get_names(const struct rte_eventdev *event_dev,
> > +                       enum rte_event_dev_xstats_mode mode,
> > +                       uint8_t queue_port_id,
> > +                       struct rte_event_dev_xstats_name *xstats_names,
> > +                       unsigned int *ids, unsigned int size)
> > +{
> > +     struct rte_event_dev_xstats_name xstats_names_copy[CNXK_SSO_NUM_XSTATS];
> > +     struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
> > +     uint32_t xstats_mode_count = 0;
> > +     uint32_t start_offset = 0;
> > +     unsigned int xidx = 0;
> > +     unsigned int i;
> > +
> > +     for (i = 0; i < CNXK_SSO_NUM_HWS_XSTATS; i++) {
> > +             snprintf(xstats_names_copy[i].name,
> > +                      sizeof(xstats_names_copy[i].name), "%s",
> > +                      sso_hws_xstats[i].name);
> > +     }
> > +
> > +     for (; i < CNXK_SSO_NUM_XSTATS; i++) {
> > +             snprintf(xstats_names_copy[i].name,
> > +                      sizeof(xstats_names_copy[i].name), "%s",
> > +                      sso_hwgrp_xstats[i - CNXK_SSO_NUM_HWS_XSTATS].name);
> > +     }
> > +
> > +     switch (mode) {
> > +     case RTE_EVENT_DEV_XSTATS_DEVICE:
> > +             break;
> > +     case RTE_EVENT_DEV_XSTATS_PORT:
> > +             if (queue_port_id >= (signed int)dev->nb_event_ports)
> > +                     break;
> > +             xstats_mode_count = CNXK_SSO_NUM_HWS_XSTATS;
> > +             break;
> > +     case RTE_EVENT_DEV_XSTATS_QUEUE:
> > +             if (queue_port_id >= (signed int)dev->nb_event_queues)
> > +                     break;
> > +             xstats_mode_count = CNXK_SSO_NUM_GRP_XSTATS;
> > +             start_offset = CNXK_SSO_NUM_HWS_XSTATS;
> > +             break;
> > +     default:
> > +             plt_err("Invalid mode received");
> > +             return -EINVAL;
> > +     };
> > +
> > +     if (xstats_mode_count > size || !ids || !xstats_names)
> > +             return xstats_mode_count;
> > +
> > +     for (i = 0; i < xstats_mode_count; i++) {
> > +             xidx = i + start_offset;
> > +             strncpy(xstats_names[i].name, xstats_names_copy[xidx].name,
> > +                     sizeof(xstats_names[i].name));
> > +             ids[i] = xidx;
> > +     }
> > +
> > +     return i;
> > +}
> > diff --git a/drivers/event/cnxk/meson.build b/drivers/event/cnxk/meson.build
> > index e37ea3478..5b215b73f 100644
> > --- a/drivers/event/cnxk/meson.build
> > +++ b/drivers/event/cnxk/meson.build
> > @@ -13,7 +13,8 @@ sources = files('cn10k_worker.c',
> >                  'cn9k_worker.c',
> >                  'cn9k_eventdev.c',
> >                  'cnxk_eventdev.c',
> > -                'cnxk_eventdev_selftest.c'
> > +                'cnxk_eventdev_selftest.c',
> > +                'cnxk_eventdev_stats.c',
> >                  )
> >
> >  deps += ['bus_pci', 'common_cnxk']
> >


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