#include <rte_spinlock.h>
#include <rte_power_empty_poll.h>
#include <rte_metrics.h>
+#include <rte_telemetry.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;
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
- },
- .intr_conf = {
- .rxq = 1,
- },
+ }
};
static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
static void
signal_exit_now(int sigtype)
{
- unsigned lcore_id;
- unsigned int portid;
- int ret;
-
- if (sigtype == SIGINT) {
- if (app_mode == APP_MODE_EMPTY_POLL ||
- app_mode == APP_MODE_TELEMETRY)
- 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 (app_mode != APP_MODE_EMPTY_POLL) {
- RTE_ETH_FOREACH_DEV(portid) {
- if ((enabled_port_mask & (1 << portid)) == 0)
- continue;
-
- rte_eth_dev_stop(portid);
- rte_eth_dev_close(portid);
- }
- }
- }
+ if (sigtype == SIGINT)
+ quit_signal = true;
- if (app_mode != APP_MODE_EMPTY_POLL)
- rte_exit(EXIT_SUCCESS, "User forced exit\n");
}
/* Freqency scale down timer callback */
static int
sleep_until_rx_interrupt(int num)
{
+ /*
+ * we want to track when we are woken up by traffic so that we can go
+ * back to sleep again without log spamming.
+ */
+ static bool timeout;
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 (!timeout) {
+ 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;
" port %d queue %d\n",
rte_lcore_id(), port_id, queue_id);
}
+ timeout = n == 0;
return 0;
}
}
/* main processing loop */
static int
-main_loop(__rte_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();
/**
* 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
}
#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
+#define CMD_LINE_OPT_EMPTY_POLL "empty-poll"
#define CMD_LINE_OPT_TELEMETRY "telemetry"
/* Parse the argument given in the command line of the application */
{"high-perf-cores", 1, 0, 0},
{"no-numa", 0, 0, 0},
{"enable-jumbo", 0, 0, 0},
- {"empty-poll", 1, 0, 0},
+ {CMD_LINE_OPT_EMPTY_POLL, 1, 0, 0},
{CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
{CMD_LINE_OPT_TELEMETRY, 0, 0, 0},
{NULL, 0, 0, 0}
}
if (!strncmp(lgopts[option_index].name,
- "empty-poll", 10)) {
+ CMD_LINE_OPT_EMPTY_POLL, 10)) {
if (app_mode == APP_MODE_TELEMETRY) {
printf(" empty-poll cannot be enabled as telemetry mode is enabled\n");
return -1;
"Mbps - %s\n", (uint8_t)portid,
(unsigned)link.link_speed,
(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
- ("full-duplex") : ("half-duplex\n"));
+ ("full-duplex") : ("half-duplex"));
else
printf("Port %d Link Down\n",
(uint8_t)portid);
static int
init_power_library(void)
{
+ enum power_management_env env;
unsigned int lcore_id;
int ret = 0;
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
-update_telemetry(__rte_unused struct rte_timer *tim,
- __rte_unused void *arg)
+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 values[3] = {0};
- int ret;
uint64_t count = 0;
RTE_LCORE_FOREACH_SLAVE(lcore_id) {
values[0] = app_eps/count;
values[1] = app_fps/count;
values[2] = app_br/count;
- } else {
- values[0] = 0;
- values[1] = 0;
- values[2] = 0;
- }
+ } 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)
{
uint32_t dev_rxq_num, dev_txq_num;
uint8_t nb_rx_queue, queue, socketid;
uint16_t portid;
- uint8_t num_telstats = RTE_DIM(telstats_strings);
- const char *ptr_strings[num_telstats];
+ const char *ptr_strings[NUM_TELSTATS];
/* catch SIGINT and restore cpufreq governor to ondemand */
signal(SIGINT, signal_exit_now);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
- if (app_mode != APP_MODE_TELEMETRY && init_power_library())
+ /* 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)
/* 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;
/* skip ports that are not enabled */
if ((enabled_port_mask & (1 << portid)) == 0) {
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;
+ 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)
/* launch per-lcore init on every lcore */
if (app_mode == APP_MODE_LEGACY) {
- rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
+ rte_eal_mp_remote_launch(main_legacy_loop, NULL, CALL_MASTER);
} else if (app_mode == APP_MODE_EMPTY_POLL) {
empty_poll_stop = false;
rte_eal_mp_remote_launch(main_empty_poll_loop, NULL,
SKIP_MASTER);
- } else {
+ } 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++)
+ for (i = 0; i < NUM_TELSTATS; i++)
ptr_strings[i] = telstats_strings[i].name;
- ret = rte_metrics_reg_names(ptr_strings, num_telstats);
+ ret = rte_metrics_reg_names(ptr_strings, NUM_TELSTATS);
if (ret >= 0)
telstats_index = ret;
else
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_MASTER);
}
return -1;
}
+ RTE_ETH_FOREACH_DEV(portid)
+ {
+ if ((enabled_port_mask & (1 << portid)) == 0)
+ continue;
+
+ rte_eth_dev_stop(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