#include <getopt.h>
#include <unistd.h>
#include <signal.h>
+#include <math.h>
#include <rte_common.h>
#include <rte_byteorder.h>
#include <rte_memcpy.h>
#include <rte_eal.h>
#include <rte_launch.h>
-#include <rte_atomic.h>
#include <rte_cycles.h>
#include <rte_prefetch.h>
#include <rte_lcore.h>
#include <rte_power.h>
#include <rte_spinlock.h>
#include <rte_power_empty_poll.h>
+#include <rte_metrics.h>
+#include <rte_telemetry.h>
+#include <rte_power_pmd_mgmt.h>
#include "perf_core.h"
#include "main.h"
#define EMPTY_POLL_MED_THRESHOLD 350000UL
#define EMPTY_POLL_HGH_THRESHOLD 580000UL
-
+#define NUM_TELSTATS RTE_DIM(telstats_strings)
static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
/* ethernet addresses of ports */
-static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
/* ethernet addresses of ports */
static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
static int promiscuous_on = 0;
/* NUMA is enabled by default. */
static int numa_on = 1;
-/* emptypoll is disabled by default. */
-static bool empty_poll_on;
+static bool empty_poll_stop;
static bool empty_poll_train;
-volatile bool empty_poll_stop;
+volatile bool quit_signal;
static struct ep_params *ep_params;
static struct ep_policy policy;
static long ep_med_edpi, ep_hgh_edpi;
+/* timer to update telemetry every 500ms */
+static struct rte_timer telemetry_timer;
+
+/* stats index returned by metrics lib */
+int telstats_index;
+
+struct telstats_name {
+ char name[RTE_ETH_XSTATS_NAME_SIZE];
+};
+
+/* telemetry stats to be reported */
+const struct telstats_name telstats_strings[] = {
+ {"empty_poll"},
+ {"full_poll"},
+ {"busy_percent"}
+};
+
+/* core busyness in percentage */
+enum busy_rate {
+ ZERO = 0,
+ PARTIAL = 50,
+ FULL = 100
+};
+
+/* reference poll count to measure core busyness */
+#define DEFAULT_COUNT 10000
+/*
+ * reference CYCLES to be used to
+ * measure core busyness based on poll count
+ */
+#define MIN_CYCLES 1500000ULL
+#define MAX_CYCLES 22000000ULL
+
+/* (500ms) */
+#define TELEMETRY_INTERVALS_PER_SEC 2
static int parse_ptype; /**< Parse packet type using rx callback, and */
/**< disabled by default */
+enum appmode {
+ APP_MODE_DEFAULT = 0,
+ APP_MODE_LEGACY,
+ APP_MODE_EMPTY_POLL,
+ APP_MODE_TELEMETRY,
+ APP_MODE_INTERRUPT,
+ APP_MODE_PMD_MGMT
+};
+
+enum appmode app_mode;
+
+static enum rte_power_pmd_mgmt_type pmgmt_type;
+bool baseline_enabled;
+
enum freq_scale_hint_t
{
FREQ_LOWER = -1,
};
struct lcore_params *lcore_params = lcore_params_array_default;
-uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
- sizeof(lcore_params_array_default[0]);
+uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default);
static struct rte_eth_conf port_conf = {
.rxmode = {
- .mq_mode = ETH_MQ_RX_RSS,
- .max_rx_pkt_len = ETHER_MAX_LEN,
+ .mq_mode = RTE_ETH_MQ_RX_RSS,
.split_hdr_size = 0,
- .offloads = DEV_RX_OFFLOAD_CHECKSUM,
+ .offloads = RTE_ETH_RX_OFFLOAD_CHECKSUM,
},
.rx_adv_conf = {
.rss_conf = {
.rss_key = NULL,
- .rss_hf = ETH_RSS_UDP,
+ .rss_hf = RTE_ETH_RSS_UDP,
},
},
.txmode = {
- .mq_mode = ETH_MQ_TX_NONE,
- },
- .intr_conf = {
- .rxq = 1,
- },
+ .mq_mode = RTE_ETH_MQ_TX_NONE,
+ }
};
+static uint32_t max_pkt_len;
+
static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
uint16_t port_dst;
uint16_t port_src;
uint8_t proto;
-} __attribute__((__packed__));
+} __rte_packed;
struct ipv6_5tuple {
uint8_t ip_dst[IPV6_ADDR_LEN];
uint16_t port_dst;
uint16_t port_src;
uint8_t proto;
-} __attribute__((__packed__));
+} __rte_packed;
struct ipv4_l3fwd_route {
struct ipv4_5tuple key;
};
static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
- {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
- {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
- {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
- {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
+ {{RTE_IPV4(100,10,0,1), RTE_IPV4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
+ {{RTE_IPV4(100,20,0,2), RTE_IPV4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
+ {{RTE_IPV4(100,30,0,3), RTE_IPV4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
+ {{RTE_IPV4(100,40,0,4), RTE_IPV4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
};
static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
#define L3FWD_HASH_ENTRIES 1024
-#define IPV4_L3FWD_NUM_ROUTES \
- (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
-
-#define IPV6_L3FWD_NUM_ROUTES \
- (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
-
static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
#endif
};
static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
- {IPv4(1,1,1,0), 24, 0},
- {IPv4(2,1,1,0), 24, 1},
- {IPv4(3,1,1,0), 24, 2},
- {IPv4(4,1,1,0), 24, 3},
- {IPv4(5,1,1,0), 24, 4},
- {IPv4(6,1,1,0), 24, 5},
- {IPv4(7,1,1,0), 24, 6},
- {IPv4(8,1,1,0), 24, 7},
+ {RTE_IPV4(1,1,1,0), 24, 0},
+ {RTE_IPV4(2,1,1,0), 24, 1},
+ {RTE_IPV4(3,1,1,0), 24, 2},
+ {RTE_IPV4(4,1,1,0), 24, 3},
+ {RTE_IPV4(5,1,1,0), 24, 4},
+ {RTE_IPV4(6,1,1,0), 24, 5},
+ {RTE_IPV4(7,1,1,0), 24, 6},
+ {RTE_IPV4(8,1,1,0), 24, 7},
};
-#define IPV4_L3FWD_NUM_ROUTES \
- (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
-
#define IPV4_L3FWD_LPM_MAX_RULES 1024
typedef struct rte_lpm lookup_struct_t;
uint64_t nb_rx_processed;
/* total iterations looped recently */
uint64_t nb_iteration_looped;
- uint32_t padding[9];
+ /*
+ * Represents empty and non empty polls
+ * of rte_eth_rx_burst();
+ * ep_nep[0] holds non empty polls
+ * i.e. 0 < nb_rx <= MAX_BURST
+ * ep_nep[1] holds empty polls.
+ * i.e. nb_rx == 0
+ */
+ uint64_t ep_nep[2];
+ /*
+ * Represents full and empty+partial
+ * polls of rte_eth_rx_burst();
+ * ep_nep[0] holds empty+partial polls.
+ * i.e. 0 <= nb_rx < MAX_BURST
+ * ep_nep[1] holds full polls
+ * i.e. nb_rx == MAX_BURST
+ */
+ uint64_t fp_nfp[2];
+ enum busy_rate br;
+ rte_spinlock_t telemetry_lock;
} __rte_cache_aligned;
static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
static int is_done(void)
{
- return empty_poll_stop;
+ return quit_signal;
}
/* exit signal handler */
static void
signal_exit_now(int sigtype)
{
- unsigned lcore_id;
- unsigned int portid;
- int ret;
- if (sigtype == SIGINT) {
- if (empty_poll_on)
- empty_poll_stop = true;
+ if (sigtype == SIGINT)
+ quit_signal = true;
-
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
- if (rte_lcore_is_enabled(lcore_id) == 0)
- continue;
-
- /* init power management library */
- ret = rte_power_exit(lcore_id);
- if (ret)
- rte_exit(EXIT_FAILURE, "Power management "
- "library de-initialization failed on "
- "core%u\n", lcore_id);
- }
-
- if (!empty_poll_on) {
- RTE_ETH_FOREACH_DEV(portid) {
- if ((enabled_port_mask & (1 << portid)) == 0)
- continue;
-
- rte_eth_dev_stop(portid);
- rte_eth_dev_close(portid);
- }
- }
- }
-
- if (!empty_poll_on)
- rte_exit(EXIT_SUCCESS, "User forced exit\n");
}
/* Freqency scale down timer callback */
static void
-power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
- __attribute__((unused)) void *arg)
+power_timer_cb(__rte_unused struct rte_timer *tim,
+ __rte_unused void *arg)
{
uint64_t hz;
float sleep_time_ratio;
#ifdef DO_RFC_1812_CHECKS
static inline int
-is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
+is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
{
/* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
/*
* 1. The packet length reported by the Link Layer must be large
* enough to hold the minimum length legal IP datagram (20 bytes).
*/
- if (link_len < sizeof(struct ipv4_hdr))
+ if (link_len < sizeof(struct rte_ipv4_hdr))
return -1;
/* 2. The IP checksum must be correct. */
* datagram header, whose length is specified in the IP header length
* field.
*/
- if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
+ if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
return -5;
return 0;
}
static inline uint16_t
-get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
+get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
lookup_struct_t * ipv4_l3fwd_lookup_struct)
{
struct ipv4_5tuple key;
- struct tcp_hdr *tcp;
- struct udp_hdr *udp;
+ struct rte_tcp_hdr *tcp;
+ struct rte_udp_hdr *udp;
int ret = 0;
key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
switch (ipv4_hdr->next_proto_id) {
case IPPROTO_TCP:
- tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
- sizeof(struct ipv4_hdr));
+ tcp = (struct rte_tcp_hdr *)((unsigned char *)ipv4_hdr +
+ sizeof(struct rte_ipv4_hdr));
key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
key.port_src = rte_be_to_cpu_16(tcp->src_port);
break;
case IPPROTO_UDP:
- udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
- sizeof(struct ipv4_hdr));
+ udp = (struct rte_udp_hdr *)((unsigned char *)ipv4_hdr +
+ sizeof(struct rte_ipv4_hdr));
key.port_dst = rte_be_to_cpu_16(udp->dst_port);
key.port_src = rte_be_to_cpu_16(udp->src_port);
break;
}
static inline uint16_t
-get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
+get_ipv6_dst_port(struct rte_ipv6_hdr *ipv6_hdr, uint16_t portid,
lookup_struct_t *ipv6_l3fwd_lookup_struct)
{
struct ipv6_5tuple key;
- struct tcp_hdr *tcp;
- struct udp_hdr *udp;
+ struct rte_tcp_hdr *tcp;
+ struct rte_udp_hdr *udp;
int ret = 0;
memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
switch (ipv6_hdr->proto) {
case IPPROTO_TCP:
- tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
- sizeof(struct ipv6_hdr));
+ tcp = (struct rte_tcp_hdr *)((unsigned char *) ipv6_hdr +
+ sizeof(struct rte_ipv6_hdr));
key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
key.port_src = rte_be_to_cpu_16(tcp->src_port);
break;
case IPPROTO_UDP:
- udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
- sizeof(struct ipv6_hdr));
+ udp = (struct rte_udp_hdr *)((unsigned char *) ipv6_hdr +
+ sizeof(struct rte_ipv6_hdr));
key.port_dst = rte_be_to_cpu_16(udp->dst_port);
key.port_src = rte_be_to_cpu_16(udp->src_port);
break;
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
static inline uint16_t
-get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
+get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
lookup_struct_t *ipv4_l3fwd_lookup_struct)
{
uint32_t next_hop;
static inline void
parse_ptype_one(struct rte_mbuf *m)
{
- struct ether_hdr *eth_hdr;
+ struct rte_ether_hdr *eth_hdr;
uint32_t packet_type = RTE_PTYPE_UNKNOWN;
uint16_t ether_type;
- eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
ether_type = eth_hdr->ether_type;
- if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
+ if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
- else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
+ else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))
packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
m->packet_type = packet_type;
l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
struct lcore_conf *qconf)
{
- struct ether_hdr *eth_hdr;
- struct ipv4_hdr *ipv4_hdr;
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr;
void *d_addr_bytes;
uint16_t dst_port;
- eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
/* Handle IPv4 headers.*/
ipv4_hdr =
- rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
- sizeof(struct ether_hdr));
+ rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
+ sizeof(struct rte_ether_hdr));
#ifdef DO_RFC_1812_CHECKS
/* Check to make sure the packet is valid (RFC1812) */
dst_port = portid;
/* 02:00:00:00:00:xx */
- d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
+ d_addr_bytes = ð_hdr->dst_addr.addr_bytes[0];
*((uint64_t *)d_addr_bytes) =
0x000000000002 + ((uint64_t)dst_port << 40);
#endif
/* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+ rte_ether_addr_copy(&ports_eth_addr[dst_port],
+ ð_hdr->src_addr);
send_single_packet(m, dst_port);
} else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
/* Handle IPv6 headers.*/
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
- struct ipv6_hdr *ipv6_hdr;
+ struct rte_ipv6_hdr *ipv6_hdr;
ipv6_hdr =
- rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
- sizeof(struct ether_hdr));
+ rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
+ sizeof(struct rte_ether_hdr));
dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
qconf->ipv6_lookup_struct);
dst_port = portid;
/* 02:00:00:00:00:xx */
- d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
+ d_addr_bytes = ð_hdr->dst_addr.addr_bytes[0];
*((uint64_t *)d_addr_bytes) =
0x000000000002 + ((uint64_t)dst_port << 40);
/* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+ rte_ether_addr_copy(&ports_eth_addr[dst_port],
+ ð_hdr->src_addr);
send_single_packet(m, dst_port);
#else
* 0 on success
*/
static int
-sleep_until_rx_interrupt(int num)
+sleep_until_rx_interrupt(int num, int lcore)
{
+ /*
+ * we want to track when we are woken up by traffic so that we can go
+ * back to sleep again without log spamming. Avoid cache line sharing
+ * to prevent threads stepping on each others' toes.
+ */
+ static struct {
+ bool wakeup;
+ } __rte_cache_aligned status[RTE_MAX_LCORE];
struct rte_epoll_event event[num];
int n, i;
uint16_t port_id;
uint8_t queue_id;
void *data;
- RTE_LOG(INFO, L3FWD_POWER,
- "lcore %u sleeps until interrupt triggers\n",
- rte_lcore_id());
+ if (status[lcore].wakeup) {
+ RTE_LOG(INFO, L3FWD_POWER,
+ "lcore %u sleeps until interrupt triggers\n",
+ rte_lcore_id());
+ }
- n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
+ n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, 10);
for (i = 0; i < n; i++) {
data = event[i].epdata.data;
port_id = ((uintptr_t)data) >> CHAR_BIT;
queue_id = ((uintptr_t)data) &
RTE_LEN2MASK(CHAR_BIT, uint8_t);
- rte_eth_dev_rx_intr_disable(port_id, queue_id);
RTE_LOG(INFO, L3FWD_POWER,
"lcore %u is waked up from rx interrupt on"
" port %d queue %d\n",
rte_lcore_id(), port_id, queue_id);
}
+ status[lcore].wakeup = n != 0;
return 0;
}
-static void turn_on_intr(struct lcore_conf *qconf)
+static void turn_on_off_intr(struct lcore_conf *qconf, bool on)
{
int i;
struct lcore_rx_queue *rx_queue;
queue_id = rx_queue->queue_id;
rte_spinlock_lock(&(locks[port_id]));
- rte_eth_dev_rx_intr_enable(port_id, queue_id);
+ if (on)
+ rte_eth_dev_rx_intr_enable(port_id, queue_id);
+ else
+ rte_eth_dev_rx_intr_disable(port_id, queue_id);
rte_spinlock_unlock(&(locks[port_id]));
}
}
return 0;
}
+
+/* Main processing loop. 8< */
+static int main_intr_loop(__rte_unused void *dummy)
+{
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ unsigned int lcore_id;
+ uint64_t prev_tsc, diff_tsc, cur_tsc;
+ int i, j, nb_rx;
+ uint8_t queueid;
+ uint16_t portid;
+ struct lcore_conf *qconf;
+ struct lcore_rx_queue *rx_queue;
+ uint32_t lcore_rx_idle_count = 0;
+ uint32_t lcore_idle_hint = 0;
+ int intr_en = 0;
+
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * BURST_TX_DRAIN_US;
+
+ prev_tsc = 0;
+
+ lcore_id = rte_lcore_id();
+ qconf = &lcore_conf[lcore_id];
+
+ if (qconf->n_rx_queue == 0) {
+ RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n",
+ lcore_id);
+ return 0;
+ }
+
+ RTE_LOG(INFO, L3FWD_POWER, "entering main interrupt loop on lcore %u\n",
+ lcore_id);
+
+ for (i = 0; i < qconf->n_rx_queue; i++) {
+ portid = qconf->rx_queue_list[i].port_id;
+ queueid = qconf->rx_queue_list[i].queue_id;
+ RTE_LOG(INFO, L3FWD_POWER,
+ " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+ lcore_id, portid, queueid);
+ }
+
+ /* add into event wait list */
+ if (event_register(qconf) == 0)
+ intr_en = 1;
+ else
+ RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
+
+ while (!is_done()) {
+ stats[lcore_id].nb_iteration_looped++;
+
+ cur_tsc = rte_rdtsc();
+
+ /*
+ * TX burst queue drain
+ */
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > drain_tsc)) {
+ for (i = 0; i < qconf->n_tx_port; ++i) {
+ portid = qconf->tx_port_id[i];
+ rte_eth_tx_buffer_flush(portid,
+ qconf->tx_queue_id[portid],
+ qconf->tx_buffer[portid]);
+ }
+ prev_tsc = cur_tsc;
+ }
+
+start_rx:
+ /*
+ * Read packet from RX queues
+ */
+ lcore_rx_idle_count = 0;
+ for (i = 0; i < qconf->n_rx_queue; ++i) {
+ rx_queue = &(qconf->rx_queue_list[i]);
+ rx_queue->idle_hint = 0;
+ portid = rx_queue->port_id;
+ queueid = rx_queue->queue_id;
+
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+
+ stats[lcore_id].nb_rx_processed += nb_rx;
+ if (unlikely(nb_rx == 0)) {
+ /**
+ * no packet received from rx queue, try to
+ * sleep for a while forcing CPU enter deeper
+ * C states.
+ */
+ rx_queue->zero_rx_packet_count++;
+
+ if (rx_queue->zero_rx_packet_count <=
+ MIN_ZERO_POLL_COUNT)
+ continue;
+
+ rx_queue->idle_hint = power_idle_heuristic(
+ rx_queue->zero_rx_packet_count);
+ lcore_rx_idle_count++;
+ } else {
+ rx_queue->zero_rx_packet_count = 0;
+ }
+
+ /* Prefetch first packets */
+ for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(
+ pkts_burst[j], void *));
+ }
+
+ /* Prefetch and forward already prefetched packets */
+ for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(
+ pkts_burst[j + PREFETCH_OFFSET],
+ void *));
+ l3fwd_simple_forward(
+ pkts_burst[j], portid, qconf);
+ }
+
+ /* Forward remaining prefetched packets */
+ for (; j < nb_rx; j++) {
+ l3fwd_simple_forward(
+ pkts_burst[j], portid, qconf);
+ }
+ }
+
+ if (unlikely(lcore_rx_idle_count == qconf->n_rx_queue)) {
+ /**
+ * All Rx queues empty in recent consecutive polls,
+ * sleep in a conservative manner, meaning sleep as
+ * less as possible.
+ */
+ for (i = 1,
+ lcore_idle_hint = qconf->rx_queue_list[0].idle_hint;
+ i < qconf->n_rx_queue; ++i) {
+ rx_queue = &(qconf->rx_queue_list[i]);
+ if (rx_queue->idle_hint < lcore_idle_hint)
+ lcore_idle_hint = rx_queue->idle_hint;
+ }
+
+ if (lcore_idle_hint < SUSPEND_THRESHOLD)
+ /**
+ * execute "pause" instruction to avoid context
+ * switch which generally take hundred of
+ * microseconds for short sleep.
+ */
+ rte_delay_us(lcore_idle_hint);
+ else {
+ /* suspend until rx interrupt triggers */
+ if (intr_en) {
+ turn_on_off_intr(qconf, 1);
+ sleep_until_rx_interrupt(
+ qconf->n_rx_queue,
+ lcore_id);
+ turn_on_off_intr(qconf, 0);
+ /**
+ * start receiving packets immediately
+ */
+ if (likely(!is_done()))
+ goto start_rx;
+ }
+ }
+ stats[lcore_id].sleep_time += lcore_idle_hint;
+ }
+ }
+
+ return 0;
+}
+/* >8 End of main processing loop. */
+
/* main processing loop */
static int
-main_empty_poll_loop(__attribute__((unused)) void *dummy)
+main_telemetry_loop(__rte_unused void *dummy)
+{
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ unsigned int lcore_id;
+ uint64_t prev_tsc, diff_tsc, cur_tsc, prev_tel_tsc;
+ int i, j, nb_rx;
+ uint8_t queueid;
+ uint16_t portid;
+ struct lcore_conf *qconf;
+ struct lcore_rx_queue *rx_queue;
+ uint64_t ep_nep[2] = {0}, fp_nfp[2] = {0};
+ uint64_t poll_count;
+ enum busy_rate br;
+
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * BURST_TX_DRAIN_US;
+
+ poll_count = 0;
+ prev_tsc = 0;
+ prev_tel_tsc = 0;
+
+ lcore_id = rte_lcore_id();
+ qconf = &lcore_conf[lcore_id];
+
+ if (qconf->n_rx_queue == 0) {
+ RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n",
+ lcore_id);
+ return 0;
+ }
+
+ RTE_LOG(INFO, L3FWD_POWER, "entering main telemetry loop on lcore %u\n",
+ lcore_id);
+
+ for (i = 0; i < qconf->n_rx_queue; i++) {
+ portid = qconf->rx_queue_list[i].port_id;
+ queueid = qconf->rx_queue_list[i].queue_id;
+ RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
+ "rxqueueid=%hhu\n", lcore_id, portid, queueid);
+ }
+
+ while (!is_done()) {
+
+ cur_tsc = rte_rdtsc();
+ /*
+ * TX burst queue drain
+ */
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > drain_tsc)) {
+ for (i = 0; i < qconf->n_tx_port; ++i) {
+ portid = qconf->tx_port_id[i];
+ rte_eth_tx_buffer_flush(portid,
+ qconf->tx_queue_id[portid],
+ qconf->tx_buffer[portid]);
+ }
+ prev_tsc = cur_tsc;
+ }
+
+ /*
+ * Read packet from RX queues
+ */
+ for (i = 0; i < qconf->n_rx_queue; ++i) {
+ rx_queue = &(qconf->rx_queue_list[i]);
+ portid = rx_queue->port_id;
+ queueid = rx_queue->queue_id;
+
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+ ep_nep[nb_rx == 0]++;
+ fp_nfp[nb_rx == MAX_PKT_BURST]++;
+ poll_count++;
+ if (unlikely(nb_rx == 0))
+ continue;
+
+ /* Prefetch first packets */
+ for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(
+ pkts_burst[j], void *));
+ }
+
+ /* Prefetch and forward already prefetched packets */
+ for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
+ j + PREFETCH_OFFSET], void *));
+ l3fwd_simple_forward(pkts_burst[j], portid,
+ qconf);
+ }
+
+ /* Forward remaining prefetched packets */
+ for (; j < nb_rx; j++) {
+ l3fwd_simple_forward(pkts_burst[j], portid,
+ qconf);
+ }
+ }
+ if (unlikely(poll_count >= DEFAULT_COUNT)) {
+ diff_tsc = cur_tsc - prev_tel_tsc;
+ if (diff_tsc >= MAX_CYCLES) {
+ br = FULL;
+ } else if (diff_tsc > MIN_CYCLES &&
+ diff_tsc < MAX_CYCLES) {
+ br = (diff_tsc * 100) / MAX_CYCLES;
+ } else {
+ br = ZERO;
+ }
+ poll_count = 0;
+ prev_tel_tsc = cur_tsc;
+ /* update stats for telemetry */
+ rte_spinlock_lock(&stats[lcore_id].telemetry_lock);
+ stats[lcore_id].ep_nep[0] = ep_nep[0];
+ stats[lcore_id].ep_nep[1] = ep_nep[1];
+ stats[lcore_id].fp_nfp[0] = fp_nfp[0];
+ stats[lcore_id].fp_nfp[1] = fp_nfp[1];
+ stats[lcore_id].br = br;
+ rte_spinlock_unlock(&stats[lcore_id].telemetry_lock);
+ }
+ }
+
+ return 0;
+}
+/* main processing loop */
+static int
+main_empty_poll_loop(__rte_unused void *dummy)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
unsigned int lcore_id;
}
/* main processing loop */
static int
-main_loop(__attribute__((unused)) void *dummy)
+main_legacy_loop(__rte_unused void *dummy)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
unsigned lcore_id;
else
RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
- while (1) {
+ while (!is_done()) {
stats[lcore_id].nb_iteration_looped++;
cur_tsc = rte_rdtsc();
*/
rte_delay_us(lcore_idle_hint);
else {
- /* suspend until rx interrupt trigges */
+ /* suspend until rx interrupt triggers */
if (intr_en) {
- turn_on_intr(qconf);
+ turn_on_off_intr(qconf, 1);
sleep_until_rx_interrupt(
- qconf->n_rx_queue);
+ qconf->n_rx_queue,
+ lcore_id);
+ turn_on_off_intr(qconf, 0);
/**
* start receiving packets immediately
*/
- goto start_rx;
+ if (likely(!is_done()))
+ goto start_rx;
}
}
stats[lcore_id].sleep_time += lcore_idle_hint;
}
}
+
+ return 0;
}
static int
printf("warning: lcore %hhu is on socket %d with numa "
"off\n", lcore, socketid);
}
+ if (app_mode == APP_MODE_TELEMETRY && lcore == rte_lcore_id()) {
+ printf("cannot enable main core %d in config for telemetry mode\n",
+ rte_lcore_id());
+ return -1;
+ }
}
return 0;
}
" [--config (port,queue,lcore)[,(port,queue,lcore]]"
" [--high-perf-cores CORELIST"
" [--perf-config (port,queue,hi_perf,lcore_index)[,(port,queue,hi_perf,lcore_index]]"
- " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
+ " [--max-pkt-len PKTLEN]\n"
" -p PORTMASK: hexadecimal bitmask of ports to configure\n"
- " -P : enable promiscuous mode\n"
+ " -P: enable promiscuous mode\n"
" --config (port,queue,lcore): rx queues configuration\n"
" --high-perf-cores CORELIST: list of high performance cores\n"
" --perf-config: similar as config, cores specified as indices"
" for bins containing high or regular performance cores\n"
" --no-numa: optional, disable numa awareness\n"
- " --enable-jumbo: enable jumbo frame"
- " which max packet len is PKTLEN in decimal (64-9600)\n"
+ " --max-pkt-len PKTLEN: maximum packet length in decimal (64-9600)\n"
" --parse-ptype: parse packet type by software\n"
+ " --legacy: use legacy interrupt-based scaling\n"
" --empty-poll: enable empty poll detection"
- " follow (training_flag, high_threshold, med_threshold)\n",
+ " follow (training_flag, high_threshold, med_threshold)\n"
+ " --telemetry: enable telemetry mode, to update"
+ " empty polls, full polls, and core busyness to telemetry\n"
+ " --interrupt-only: enable interrupt-only mode\n"
+ " --pmd-mgmt MODE: enable PMD power management mode. "
+ "Currently supported modes: baseline, monitor, pause, scale\n",
prgname);
}
/* parse hexadecimal string */
pm = strtoul(portmask, &end, 16);
if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
- return -1;
-
- if (pm == 0)
- return -1;
+ return 0;
return pm;
}
return 0;
}
+
+static int
+parse_pmd_mgmt_config(const char *name)
+{
+#define PMD_MGMT_MONITOR "monitor"
+#define PMD_MGMT_PAUSE "pause"
+#define PMD_MGMT_SCALE "scale"
+#define PMD_MGMT_BASELINE "baseline"
+
+ if (strncmp(PMD_MGMT_MONITOR, name, sizeof(PMD_MGMT_MONITOR)) == 0) {
+ pmgmt_type = RTE_POWER_MGMT_TYPE_MONITOR;
+ return 0;
+ }
+
+ if (strncmp(PMD_MGMT_PAUSE, name, sizeof(PMD_MGMT_PAUSE)) == 0) {
+ pmgmt_type = RTE_POWER_MGMT_TYPE_PAUSE;
+ return 0;
+ }
+
+ if (strncmp(PMD_MGMT_SCALE, name, sizeof(PMD_MGMT_SCALE)) == 0) {
+ pmgmt_type = RTE_POWER_MGMT_TYPE_SCALE;
+ return 0;
+ }
+ if (strncmp(PMD_MGMT_BASELINE, name, sizeof(PMD_MGMT_BASELINE)) == 0) {
+ baseline_enabled = true;
+ return 0;
+ }
+ /* unknown PMD power management mode */
+ return -1;
+}
+
static int
parse_ep_config(const char *q_arg)
{
int hgh_edpi;
ep_med_edpi = EMPTY_POLL_MED_THRESHOLD;
- ep_hgh_edpi = EMPTY_POLL_MED_THRESHOLD;
+ ep_hgh_edpi = EMPTY_POLL_HGH_THRESHOLD;
- snprintf(s, sizeof(s), "%s", p);
+ strlcpy(s, p, sizeof(s));
num_arg = rte_strsplit(s, sizeof(s), str_fld, 3, ',');
if (med_edpi > 0)
ep_med_edpi = med_edpi;
- if (med_edpi > 0)
+ if (hgh_edpi > 0)
ep_hgh_edpi = hgh_edpi;
} else {
}
#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
+#define CMD_LINE_OPT_LEGACY "legacy"
+#define CMD_LINE_OPT_EMPTY_POLL "empty-poll"
+#define CMD_LINE_OPT_INTERRUPT_ONLY "interrupt-only"
+#define CMD_LINE_OPT_TELEMETRY "telemetry"
+#define CMD_LINE_OPT_PMD_MGMT "pmd-mgmt"
+#define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len"
/* Parse the argument given in the command line of the application */
static int
{"perf-config", 1, 0, 0},
{"high-perf-cores", 1, 0, 0},
{"no-numa", 0, 0, 0},
- {"enable-jumbo", 0, 0, 0},
- {"empty-poll", 1, 0, 0},
+ {CMD_LINE_OPT_MAX_PKT_LEN, 1, 0, 0},
+ {CMD_LINE_OPT_EMPTY_POLL, 1, 0, 0},
{CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
+ {CMD_LINE_OPT_LEGACY, 0, 0, 0},
+ {CMD_LINE_OPT_TELEMETRY, 0, 0, 0},
+ {CMD_LINE_OPT_INTERRUPT_ONLY, 0, 0, 0},
+ {CMD_LINE_OPT_PMD_MGMT, 1, 0, 0},
{NULL, 0, 0, 0}
};
}
if (!strncmp(lgopts[option_index].name,
- "empty-poll", 10)) {
- printf("empty-poll is enabled\n");
- empty_poll_on = true;
+ CMD_LINE_OPT_LEGACY,
+ sizeof(CMD_LINE_OPT_LEGACY))) {
+ if (app_mode != APP_MODE_DEFAULT) {
+ printf(" legacy mode is mutually exclusive with other modes\n");
+ return -1;
+ }
+ app_mode = APP_MODE_LEGACY;
+ printf("legacy mode is enabled\n");
+ }
+
+ if (!strncmp(lgopts[option_index].name,
+ CMD_LINE_OPT_EMPTY_POLL, 10)) {
+ if (app_mode != APP_MODE_DEFAULT) {
+ printf(" empty-poll mode is mutually exclusive with other modes\n");
+ return -1;
+ }
+ app_mode = APP_MODE_EMPTY_POLL;
ret = parse_ep_config(optarg);
if (ret) {
print_usage(prgname);
return -1;
}
-
+ printf("empty-poll is enabled\n");
}
if (!strncmp(lgopts[option_index].name,
- "enable-jumbo", 12)) {
- struct option lenopts =
- {"max-pkt-len", required_argument, \
- 0, 0};
-
- printf("jumbo frame is enabled \n");
- port_conf.rxmode.offloads |=
- DEV_RX_OFFLOAD_JUMBO_FRAME;
- port_conf.txmode.offloads |=
- DEV_TX_OFFLOAD_MULTI_SEGS;
+ CMD_LINE_OPT_TELEMETRY,
+ sizeof(CMD_LINE_OPT_TELEMETRY))) {
+ if (app_mode != APP_MODE_DEFAULT) {
+ printf(" telemetry mode is mutually exclusive with other modes\n");
+ return -1;
+ }
+ app_mode = APP_MODE_TELEMETRY;
+ printf("telemetry mode is enabled\n");
+ }
- /**
- * if no max-pkt-len set, use the default value
- * ETHER_MAX_LEN
- */
- if (0 == getopt_long(argc, argvopt, "",
- &lenopts, &option_index)) {
- ret = parse_max_pkt_len(optarg);
- if ((ret < 64) ||
- (ret > MAX_JUMBO_PKT_LEN)){
- printf("invalid packet "
- "length\n");
- print_usage(prgname);
- return -1;
- }
- port_conf.rxmode.max_rx_pkt_len = ret;
+ if (!strncmp(lgopts[option_index].name,
+ CMD_LINE_OPT_PMD_MGMT,
+ sizeof(CMD_LINE_OPT_PMD_MGMT))) {
+ if (app_mode != APP_MODE_DEFAULT) {
+ printf(" power mgmt mode is mutually exclusive with other modes\n");
+ return -1;
+ }
+ if (parse_pmd_mgmt_config(optarg) < 0) {
+ printf(" Invalid PMD power management mode: %s\n",
+ optarg);
+ return -1;
+ }
+ app_mode = APP_MODE_PMD_MGMT;
+ printf("PMD power mgmt mode is enabled\n");
+ }
+ if (!strncmp(lgopts[option_index].name,
+ CMD_LINE_OPT_INTERRUPT_ONLY,
+ sizeof(CMD_LINE_OPT_INTERRUPT_ONLY))) {
+ if (app_mode != APP_MODE_DEFAULT) {
+ printf(" interrupt-only mode is mutually exclusive with other modes\n");
+ return -1;
}
- printf("set jumbo frame "
- "max packet length to %u\n",
- (unsigned int)port_conf.rxmode.max_rx_pkt_len);
+ app_mode = APP_MODE_INTERRUPT;
+ printf("interrupt-only mode is enabled\n");
+ }
+
+ if (!strncmp(lgopts[option_index].name,
+ CMD_LINE_OPT_MAX_PKT_LEN,
+ sizeof(CMD_LINE_OPT_MAX_PKT_LEN))) {
+ printf("Custom frame size is configured\n");
+ max_pkt_len = parse_max_pkt_len(optarg);
}
if (!strncmp(lgopts[option_index].name,
}
static void
-print_ethaddr(const char *name, const struct ether_addr *eth_addr)
+print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
{
- char buf[ETHER_ADDR_FMT_SIZE];
- ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+ char buf[RTE_ETHER_ADDR_FMT_SIZE];
+ rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
printf("%s%s", name, buf);
}
/* populate the ipv4 hash */
- for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
+ for (i = 0; i < RTE_DIM(ipv4_l3fwd_route_array); i++) {
ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
(void *) &ipv4_l3fwd_route_array[i].key);
if (ret < 0) {
}
/* populate the ipv6 hash */
- for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
+ for (i = 0; i < RTE_DIM(ipv6_l3fwd_route_array); i++) {
ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
(void *) &ipv6_l3fwd_route_array[i].key);
if (ret < 0) {
" on socket %d\n", socketid);
/* populate the LPM table */
- for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
+ for (i = 0; i < RTE_DIM(ipv4_l3fwd_route_array); i++) {
ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
ipv4_l3fwd_route_array[i].ip,
ipv4_l3fwd_route_array[i].depth,
uint8_t count, all_ports_up, print_flag = 0;
uint16_t portid;
struct rte_eth_link link;
+ int ret;
+ char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
printf("\nChecking link status");
fflush(stdout);
if ((port_mask & (1 << portid)) == 0)
continue;
memset(&link, 0, sizeof(link));
- rte_eth_link_get_nowait(portid, &link);
+ ret = rte_eth_link_get_nowait(portid, &link);
+ if (ret < 0) {
+ all_ports_up = 0;
+ if (print_flag == 1)
+ printf("Port %u link get failed: %s\n",
+ portid, rte_strerror(-ret));
+ continue;
+ }
/* print link status if flag set */
if (print_flag == 1) {
- if (link.link_status)
- printf("Port %d Link Up - speed %u "
- "Mbps - %s\n", (uint8_t)portid,
- (unsigned)link.link_speed,
- (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
- ("full-duplex") : ("half-duplex\n"));
- else
- printf("Port %d Link Down\n",
- (uint8_t)portid);
+ rte_eth_link_to_str(link_status_text,
+ sizeof(link_status_text), &link);
+ printf("Port %d %s\n", portid,
+ link_status_text);
continue;
}
/* clear all_ports_up flag if any link down */
- if (link.link_status == ETH_LINK_DOWN) {
+ if (link.link_status == RTE_ETH_LINK_DOWN) {
all_ports_up = 0;
break;
}
static int
init_power_library(void)
{
- int ret = 0, lcore_id;
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
- if (rte_lcore_is_enabled(lcore_id)) {
- /* init power management library */
- ret = rte_power_init(lcore_id);
- if (ret)
- RTE_LOG(ERR, POWER,
+ enum power_management_env env;
+ unsigned int lcore_id;
+ int ret = 0;
+
+ RTE_LCORE_FOREACH(lcore_id) {
+ /* init power management library */
+ ret = rte_power_init(lcore_id);
+ if (ret) {
+ RTE_LOG(ERR, POWER,
"Library initialization failed on core %u\n",
lcore_id);
+ return ret;
+ }
+ /* we're not supporting the VM channel mode */
+ env = rte_power_get_env();
+ if (env != PM_ENV_ACPI_CPUFREQ &&
+ env != PM_ENV_PSTATE_CPUFREQ) {
+ RTE_LOG(ERR, POWER,
+ "Only ACPI and PSTATE mode are supported\n");
+ return -1;
}
}
return ret;
}
+
+static int
+deinit_power_library(void)
+{
+ unsigned int lcore_id;
+ int ret = 0;
+
+ RTE_LCORE_FOREACH(lcore_id) {
+ /* deinit power management library */
+ ret = rte_power_exit(lcore_id);
+ if (ret) {
+ RTE_LOG(ERR, POWER,
+ "Library deinitialization failed on core %u\n",
+ lcore_id);
+ return ret;
+ }
+ }
+ return ret;
+}
+
+static void
+get_current_stat_values(uint64_t *values)
+{
+ unsigned int lcore_id = rte_lcore_id();
+ struct lcore_conf *qconf;
+ uint64_t app_eps = 0, app_fps = 0, app_br = 0;
+ uint64_t count = 0;
+
+ RTE_LCORE_FOREACH_WORKER(lcore_id) {
+ qconf = &lcore_conf[lcore_id];
+ if (qconf->n_rx_queue == 0)
+ continue;
+ count++;
+ rte_spinlock_lock(&stats[lcore_id].telemetry_lock);
+ app_eps += stats[lcore_id].ep_nep[1];
+ app_fps += stats[lcore_id].fp_nfp[1];
+ app_br += stats[lcore_id].br;
+ rte_spinlock_unlock(&stats[lcore_id].telemetry_lock);
+ }
+
+ if (count > 0) {
+ values[0] = app_eps/count;
+ values[1] = app_fps/count;
+ values[2] = app_br/count;
+ } else
+ memset(values, 0, sizeof(uint64_t) * NUM_TELSTATS);
+
+}
+
+static void
+update_telemetry(__rte_unused struct rte_timer *tim,
+ __rte_unused void *arg)
+{
+ int ret;
+ uint64_t values[NUM_TELSTATS] = {0};
+
+ get_current_stat_values(values);
+ ret = rte_metrics_update_values(RTE_METRICS_GLOBAL, telstats_index,
+ values, RTE_DIM(values));
+ if (ret < 0)
+ RTE_LOG(WARNING, POWER, "failed to update metrcis\n");
+}
+
+static int
+handle_app_stats(const char *cmd __rte_unused,
+ const char *params __rte_unused,
+ struct rte_tel_data *d)
+{
+ uint64_t values[NUM_TELSTATS] = {0};
+ uint32_t i;
+
+ rte_tel_data_start_dict(d);
+ get_current_stat_values(values);
+ for (i = 0; i < NUM_TELSTATS; i++)
+ rte_tel_data_add_dict_u64(d, telstats_strings[i].name,
+ values[i]);
+ return 0;
+}
+
+static void
+telemetry_setup_timer(void)
+{
+ int lcore_id = rte_lcore_id();
+ uint64_t hz = rte_get_timer_hz();
+ uint64_t ticks;
+
+ ticks = hz / TELEMETRY_INTERVALS_PER_SEC;
+ rte_timer_reset_sync(&telemetry_timer,
+ ticks,
+ PERIODICAL,
+ lcore_id,
+ update_telemetry,
+ NULL);
+}
static void
empty_poll_setup_timer(void)
{
RTE_SET_USED(lcore_id);
- if (rte_get_master_lcore() != lcore_id) {
- rte_panic("timer on lcore:%d which is not master core:%d\n",
+ if (rte_get_main_lcore() != lcore_id) {
+ rte_panic("timer on lcore:%d which is not main core:%d\n",
lcore_id,
- rte_get_master_lcore());
+ rte_get_main_lcore());
}
RTE_LOG(INFO, POWER, "Bring up the Timer\n");
- empty_poll_setup_timer();
+ if (app_mode == APP_MODE_EMPTY_POLL)
+ empty_poll_setup_timer();
+ else
+ telemetry_setup_timer();
cycles_10ms = rte_get_timer_hz() / 100;
return 0;
}
+static int
+autodetect_mode(void)
+{
+ RTE_LOG(NOTICE, L3FWD_POWER, "Operating mode not specified, probing frequency scaling support...\n");
+
+ /*
+ * Empty poll and telemetry modes have to be specifically requested to
+ * be enabled, but we can auto-detect between interrupt mode with or
+ * without frequency scaling. Both ACPI and pstate can be used.
+ */
+ if (rte_power_check_env_supported(PM_ENV_ACPI_CPUFREQ))
+ return APP_MODE_LEGACY;
+ if (rte_power_check_env_supported(PM_ENV_PSTATE_CPUFREQ))
+ return APP_MODE_LEGACY;
+
+ RTE_LOG(NOTICE, L3FWD_POWER, "Frequency scaling not supported, selecting interrupt-only mode\n");
+
+ return APP_MODE_INTERRUPT;
+}
+
+static const char *
+mode_to_str(enum appmode mode)
+{
+ switch (mode) {
+ case APP_MODE_LEGACY:
+ return "legacy";
+ case APP_MODE_EMPTY_POLL:
+ return "empty poll";
+ case APP_MODE_TELEMETRY:
+ return "telemetry";
+ case APP_MODE_INTERRUPT:
+ return "interrupt-only";
+ case APP_MODE_PMD_MGMT:
+ return "pmd mgmt";
+ default:
+ return "invalid";
+ }
+}
+
+static uint32_t
+eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
+{
+ uint32_t overhead_len;
+
+ if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
+ overhead_len = max_rx_pktlen - max_mtu;
+ else
+ overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
+
+ return overhead_len;
+}
+
+static int
+config_port_max_pkt_len(struct rte_eth_conf *conf,
+ struct rte_eth_dev_info *dev_info)
+{
+ uint32_t overhead_len;
+ if (max_pkt_len == 0)
+ return 0;
+
+ if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN)
+ return -1;
+
+ overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
+ dev_info->max_mtu);
+ conf->rxmode.mtu = max_pkt_len - overhead_len;
+
+ if (conf->rxmode.mtu > RTE_ETHER_MTU)
+ conf->txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
+
+ return 0;
+}
+
+/* Power library initialized in the main routine. 8< */
int
main(int argc, char **argv)
{
uint32_t dev_rxq_num, dev_txq_num;
uint8_t nb_rx_queue, queue, socketid;
uint16_t portid;
+ const char *ptr_strings[NUM_TELSTATS];
/* catch SIGINT and restore cpufreq governor to ondemand */
signal(SIGINT, signal_exit_now);
/* init RTE timer library to be used late */
rte_timer_subsystem_init();
+ /* if we're running pmd-mgmt mode, don't default to baseline mode */
+ baseline_enabled = false;
+
/* parse application arguments (after the EAL ones) */
ret = parse_args(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
- if (init_power_library())
- RTE_LOG(ERR, L3FWD_POWER, "init_power_library failed\n");
+ if (app_mode == APP_MODE_DEFAULT)
+ app_mode = autodetect_mode();
+
+ RTE_LOG(INFO, L3FWD_POWER, "Selected operation mode: %s\n",
+ mode_to_str(app_mode));
+
+ /* only legacy and empty poll mode rely on power library */
+ if ((app_mode == APP_MODE_LEGACY || app_mode == APP_MODE_EMPTY_POLL) &&
+ init_power_library())
+ rte_exit(EXIT_FAILURE, "init_power_library failed\n");
if (update_lcore_params() < 0)
rte_exit(EXIT_FAILURE, "update_lcore_params failed\n");
/* initialize all ports */
RTE_ETH_FOREACH_DEV(portid) {
struct rte_eth_conf local_port_conf = port_conf;
+ /* not all app modes need interrupts */
+ bool need_intr = app_mode == APP_MODE_LEGACY ||
+ app_mode == APP_MODE_INTERRUPT;
/* skip ports that are not enabled */
if ((enabled_port_mask & (1 << portid)) == 0) {
printf("Initializing port %d ... ", portid );
fflush(stdout);
- rte_eth_dev_info_get(portid, &dev_info);
+ ret = rte_eth_dev_info_get(portid, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error during getting device (port %u) info: %s\n",
+ portid, strerror(-ret));
+
dev_rxq_num = dev_info.max_rx_queues;
dev_txq_num = dev_info.max_tx_queues;
nb_rx_queue, (unsigned)n_tx_queue );
/* If number of Rx queue is 0, no need to enable Rx interrupt */
if (nb_rx_queue == 0)
- local_port_conf.intr_conf.rxq = 0;
- rte_eth_dev_info_get(portid, &dev_info);
- if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ need_intr = false;
+
+ if (need_intr)
+ local_port_conf.intr_conf.rxq = 1;
+
+ ret = rte_eth_dev_info_get(portid, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error during getting device (port %u) info: %s\n",
+ portid, strerror(-ret));
+
+ ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Invalid max packet length: %u (port %u)\n",
+ max_pkt_len, portid);
+
+ if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
local_port_conf.txmode.offloads |=
- DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+ RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
dev_info.flow_type_rss_offloads;
"Cannot adjust number of descriptors: err=%d, port=%d\n",
ret, portid);
- rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
+ ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot get MAC address: err=%d, port=%d\n",
+ ret, portid);
+
print_ethaddr(" Address:", &ports_eth_addr[portid]);
printf(", ");
if (rte_lcore_is_enabled(lcore_id) == 0)
continue;
- if (empty_poll_on == false) {
+ if (app_mode == APP_MODE_LEGACY) {
/* init timer structures for each enabled lcore */
rte_timer_init(&power_timers[lcore_id]);
hz = rte_get_timer_hz();
qconf = &lcore_conf[lcore_id];
printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
fflush(stdout);
+
/* init RX queues */
for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
struct rte_eth_rxconf rxq_conf;
- struct rte_eth_dev *dev;
- struct rte_eth_conf *conf;
portid = qconf->rx_queue_list[queue].port_id;
queueid = qconf->rx_queue_list[queue].queue_id;
- dev = &rte_eth_devices[portid];
- conf = &dev->data->dev_conf;
if (numa_on)
socketid = \
printf("rxq=%d,%d,%d ", portid, queueid, socketid);
fflush(stdout);
- rte_eth_dev_info_get(portid, &dev_info);
+ ret = rte_eth_dev_info_get(portid, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error during getting device (port %u) info: %s\n",
+ portid, strerror(-ret));
+
rxq_conf = dev_info.default_rxconf;
- rxq_conf.offloads = conf->rxmode.offloads;
+ rxq_conf.offloads = port_conf.rxmode.offloads;
ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
socketid, &rxq_conf,
pktmbuf_pool[socketid]);
if (add_cb_parse_ptype(portid, queueid) < 0)
rte_exit(EXIT_FAILURE,
"Fail to add ptype cb\n");
- } else if (!check_ptype(portid))
- rte_exit(EXIT_FAILURE,
- "PMD can not provide needed ptypes\n");
+ }
+
+ if (app_mode == APP_MODE_PMD_MGMT && !baseline_enabled) {
+ ret = rte_power_ethdev_pmgmt_queue_enable(
+ lcore_id, portid, queueid,
+ pmgmt_type);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "rte_power_ethdev_pmgmt_queue_enable: err=%d, port=%d\n",
+ ret, portid);
+ }
}
}
+ /* >8 End of power library initialization. */
printf("\n");
* to itself through 2 cross-connected ports of the
* target machine.
*/
- if (promiscuous_on)
- rte_eth_promiscuous_enable(portid);
+ if (promiscuous_on) {
+ ret = rte_eth_promiscuous_enable(portid);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "rte_eth_promiscuous_enable: err=%s, port=%u\n",
+ rte_strerror(-ret), portid);
+ }
/* initialize spinlock for each port */
rte_spinlock_init(&(locks[portid]));
+
+ if (!parse_ptype)
+ if (!check_ptype(portid))
+ rte_exit(EXIT_FAILURE,
+ "PMD can not provide needed ptypes\n");
}
check_all_ports_link_status(enabled_port_mask);
- if (empty_poll_on == true) {
+ if (app_mode == APP_MODE_EMPTY_POLL) {
if (empty_poll_train) {
policy.state = TRAINING;
/* launch per-lcore init on every lcore */
- if (empty_poll_on == false) {
- rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
- } else {
+ if (app_mode == APP_MODE_LEGACY) {
+ rte_eal_mp_remote_launch(main_legacy_loop, NULL, CALL_MAIN);
+ } else if (app_mode == APP_MODE_EMPTY_POLL) {
empty_poll_stop = false;
rte_eal_mp_remote_launch(main_empty_poll_loop, NULL,
- SKIP_MASTER);
+ SKIP_MAIN);
+ } else if (app_mode == APP_MODE_TELEMETRY) {
+ unsigned int i;
+
+ /* Init metrics library */
+ rte_metrics_init(rte_socket_id());
+ /** Register stats with metrics library */
+ for (i = 0; i < NUM_TELSTATS; i++)
+ ptr_strings[i] = telstats_strings[i].name;
+
+ ret = rte_metrics_reg_names(ptr_strings, NUM_TELSTATS);
+ if (ret >= 0)
+ telstats_index = ret;
+ else
+ rte_exit(EXIT_FAILURE, "failed to register metrics names");
+
+ RTE_LCORE_FOREACH_WORKER(lcore_id) {
+ rte_spinlock_init(&stats[lcore_id].telemetry_lock);
+ }
+ rte_timer_init(&telemetry_timer);
+ rte_telemetry_register_cmd("/l3fwd-power/stats",
+ handle_app_stats,
+ "Returns global power stats. Parameters: None");
+ rte_eal_mp_remote_launch(main_telemetry_loop, NULL,
+ SKIP_MAIN);
+ } else if (app_mode == APP_MODE_INTERRUPT) {
+ rte_eal_mp_remote_launch(main_intr_loop, NULL, CALL_MAIN);
+ } else if (app_mode == APP_MODE_PMD_MGMT) {
+ /* reuse telemetry loop for PMD power management mode */
+ rte_eal_mp_remote_launch(main_telemetry_loop, NULL, CALL_MAIN);
}
- if (empty_poll_on == true)
+ if (app_mode == APP_MODE_EMPTY_POLL || app_mode == APP_MODE_TELEMETRY)
launch_timer(rte_lcore_id());
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ RTE_LCORE_FOREACH_WORKER(lcore_id) {
if (rte_eal_wait_lcore(lcore_id) < 0)
return -1;
}
- if (empty_poll_on)
+ if (app_mode == APP_MODE_PMD_MGMT) {
+ for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+ if (rte_lcore_is_enabled(lcore_id) == 0)
+ continue;
+ qconf = &lcore_conf[lcore_id];
+ for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
+ portid = qconf->rx_queue_list[queue].port_id;
+ queueid = qconf->rx_queue_list[queue].queue_id;
+
+ rte_power_ethdev_pmgmt_queue_disable(lcore_id,
+ portid, queueid);
+ }
+ }
+ }
+
+ RTE_ETH_FOREACH_DEV(portid)
+ {
+ if ((enabled_port_mask & (1 << portid)) == 0)
+ continue;
+
+ ret = rte_eth_dev_stop(portid);
+ if (ret != 0)
+ RTE_LOG(ERR, L3FWD_POWER, "rte_eth_dev_stop: err=%d, port=%u\n",
+ ret, portid);
+
+ rte_eth_dev_close(portid);
+ }
+
+ if (app_mode == APP_MODE_EMPTY_POLL)
rte_power_empty_poll_stat_free();
+ if ((app_mode == APP_MODE_LEGACY || app_mode == APP_MODE_EMPTY_POLL) &&
+ deinit_power_library())
+ rte_exit(EXIT_FAILURE, "deinit_power_library failed\n");
+
+ if (rte_eal_cleanup() < 0)
+ RTE_LOG(ERR, L3FWD_POWER, "EAL cleanup failed\n");
+
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff