From b5a52c9d97e229ab1c05db6692aaaf218aed7de2 Mon Sep 17 00:00:00 2001 From: Pavan Nikhilesh Date: Tue, 4 May 2021 05:57:11 +0530 Subject: [PATCH] event/cnxk: add event port and queue xstats Add support for retrieving statistics from SSO HWS and HWGRP. Signed-off-by: Pavan Nikhilesh --- 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 | 1 + 6 files changed, 389 insertions(+) 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 80d032039d..1ccf2626bd 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 f85799ba81..a6030e7d8a 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); +int __roc_api roc_sso_hws_stats_get(struct roc_sso *roc_sso, uint8_t hws, + struct roc_sso_hws_stats *stats); #endif /* _ROC_SSOW_H_ */ diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map index 5f2264f239..8e67c83a62 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 9af04bc3d8..abe36f21f1 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 index 0000000000..a3b548f462 --- /dev/null +++ b/drivers/event/cnxk/cnxk_eventdev_stats.c @@ -0,0 +1,289 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2021 Marvell. + */ + +#include "cnxk_eventdev.h" + +struct cnxk_sso_xstats_name { + const char name[RTE_EVENT_DEV_XSTATS_NAME_SIZE]; + const size_t offset; + const uint64_t mask; + const uint8_t shift; + uint64_t reset_snap[CNXK_SSO_MAX_HWGRP]; +}; + +static struct cnxk_sso_xstats_name sso_hws_xstats[] = { + { + "last_grp_serviced", + offsetof(struct roc_sso_hws_stats, arbitration), + 0x3FF, + 0, + {0}, + }, + { + "affinity_arbitration_credits", + offsetof(struct roc_sso_hws_stats, arbitration), + 0xF, + 16, + {0}, + }, +}; + +static struct cnxk_sso_xstats_name sso_hwgrp_xstats[] = { + { + "wrk_sched", + offsetof(struct roc_sso_hwgrp_stats, ws_pc), + ~0x0, + 0, + {0}, + }, + { + "xaq_dram", + offsetof(struct roc_sso_hwgrp_stats, ext_pc), + ~0x0, + 0, + {0}, + }, + { + "add_wrk", + offsetof(struct roc_sso_hwgrp_stats, wa_pc), + ~0x0, + 0, + {0}, + }, + { + "tag_switch_req", + offsetof(struct roc_sso_hwgrp_stats, ts_pc), + ~0x0, + 0, + {0}, + }, + { + "desched_req", + offsetof(struct roc_sso_hwgrp_stats, ds_pc), + ~0x0, + 0, + {0}, + }, + { + "desched_wrk", + offsetof(struct roc_sso_hwgrp_stats, dq_pc), + ~0x0, + 0, + {0}, + }, + { + "xaq_cached", + offsetof(struct roc_sso_hwgrp_stats, aw_status), + 0x3, + 0, + {0}, + }, + { + "work_inflight", + offsetof(struct roc_sso_hwgrp_stats, aw_status), + 0x3F, + 16, + {0}, + }, + { + "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 7743065496..b9a8314563 100644 --- a/drivers/event/cnxk/meson.build +++ b/drivers/event/cnxk/meson.build @@ -15,6 +15,7 @@ sources = files( 'cn10k_worker.c', 'cnxk_eventdev.c', 'cnxk_eventdev_selftest.c', + 'cnxk_eventdev_stats.c', ) deps += ['bus_pci', 'common_cnxk'] -- 2.20.1