#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"
APP_MODE_LEGACY,
APP_MODE_EMPTY_POLL,
APP_MODE_TELEMETRY,
- APP_MODE_INTERRUPT
+ 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,
return 0;
}
-/* main processing loop */
+/* Main processing loop. 8< */
static int main_intr_loop(__rte_unused void *dummy)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
return 0;
}
+/* >8 End of main processing loop. */
/* main processing loop */
static int
" 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",
+ " --interrupt-only: enable interrupt-only mode\n"
+ " --pmd-mgmt MODE: enable PMD power management mode. "
+ "Currently supported modes: baseline, monitor, pause, scale\n",
prgname);
}
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;
strlcpy(s, p, sizeof(s));
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_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"
/* Parse the argument given in the command line of the application */
static int
{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}
};
printf("telemetry mode is enabled\n");
}
+ 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))) {
return "telemetry";
case APP_MODE_INTERRUPT:
return "interrupt-only";
+ case APP_MODE_PMD_MGMT:
+ return "pmd mgmt";
default:
return "invalid";
}
}
+/* Power library initialized in the main routine. 8< */
int
main(int argc, char **argv)
{
/* 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)
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;
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");
}
/* 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);
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 (app_mode == APP_MODE_EMPTY_POLL || app_mode == APP_MODE_TELEMETRY)
return -1;
}
+ 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)