diff mbox series

[4/4] examples/l3fwd_power: add cli for configurable options

Message ID 20220408140847.1319312-5-kevin.laatz@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series Add APIs for configurable power options |

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Commit Message

Kevin Laatz April 8, 2022, 2:08 p.m. UTC 
  Add CLI options to l3fwd_power to utilize the new power APIs introduced in
this patchset. These CLI options allow the user to configure the
heuritstics made available through the new API via the l3fwd_power
application options.

Signed-off-by: Kevin Laatz <kevin.laatz@intel.com>
---
 examples/l3fwd-power/main.c | 75 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
index 20e5b59af9..f480de2420 100644
--- a/examples/l3fwd-power/main.c
+++ b/examples/l3fwd-power/main.c
@@ -265,6 +265,10 @@  static struct rte_eth_conf port_conf = {
 };
 
 static uint32_t max_pkt_len;
+static uint32_t max_empty_polls;
+static uint32_t pause_duration;
+static uint32_t scale_freq_min;
+static uint32_t scale_freq_max;
 
 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
 
@@ -1626,10 +1630,32 @@  print_usage(const char *prgname)
 		" 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",
+		"Currently supported modes: baseline, monitor, pause, scale\n"
+		"  --max-empty-polls MAX_EMPTY_POLLS: number of empty polls to"
+		" wait before entering sleep state\n"
+		"  --pause-duration DURATION: set the duration, in microseconds,"
+		" of the pause callback\n"
+		"  --scale-freq-min FREQ_MIN: set minimum frequency for scaling"
+		" mode for all application lcores\n"
+		"  --scale-freq-max FREQ_MAX: set maximum frequency for scaling"
+		" mode for all application lcores\n",
 		prgname);
 }
 
+static int
+parse_int(const char *opt)
+{
+	char *end = NULL;
+	unsigned long val;
+
+	/* parse integer string */
+	val = strtoul(opt, &end, 10);
+	if ((opt[0] == '\0') || (end == NULL) || (*end != '\0'))
+		return -1;
+
+	return val;
+}
+
 static int parse_max_pkt_len(const char *pktlen)
 {
 	char *end = NULL;
@@ -1803,6 +1829,10 @@  parse_ep_config(const char *q_arg)
 #define CMD_LINE_OPT_TELEMETRY "telemetry"
 #define CMD_LINE_OPT_PMD_MGMT "pmd-mgmt"
 #define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len"
+#define CMD_LINE_OPT_MAX_EMPTY_POLLS "max-empty-polls"
+#define CMD_LINE_OPT_PAUSE_DURATION "pause-duration"
+#define CMD_LINE_OPT_SCALE_FREQ_MIN "scale-freq-min"
+#define CMD_LINE_OPT_SCALE_FREQ_MAX "scale-freq-max"
 
 /* Parse the argument given in the command line of the application */
 static int
@@ -1812,6 +1842,7 @@  parse_args(int argc, char **argv)
 	char **argvopt;
 	int option_index;
 	uint32_t limit;
+	int i;
 	char *prgname = argv[0];
 	static struct option lgopts[] = {
 		{"config", 1, 0, 0},
@@ -1825,6 +1856,10 @@  parse_args(int argc, char **argv)
 		{CMD_LINE_OPT_TELEMETRY, 0, 0, 0},
 		{CMD_LINE_OPT_INTERRUPT_ONLY, 0, 0, 0},
 		{CMD_LINE_OPT_PMD_MGMT, 1, 0, 0},
+		{CMD_LINE_OPT_MAX_EMPTY_POLLS, 1, 0, 0},
+		{CMD_LINE_OPT_PAUSE_DURATION, 1, 0, 0},
+		{CMD_LINE_OPT_SCALE_FREQ_MIN, 1, 0, 0},
+		{CMD_LINE_OPT_SCALE_FREQ_MAX, 1, 0, 0},
 		{NULL, 0, 0, 0}
 	};
 
@@ -1975,6 +2010,44 @@  parse_args(int argc, char **argv)
 				parse_ptype = 1;
 			}
 
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_MAX_EMPTY_POLLS,
+					sizeof(CMD_LINE_OPT_MAX_EMPTY_POLLS))) {
+				printf("Maximum empty polls configured\n");
+				max_empty_polls = parse_int(optarg);
+				rte_power_pmd_mgmt_set_emptypoll_max(max_empty_polls);
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_PAUSE_DURATION,
+					sizeof(CMD_LINE_OPT_PAUSE_DURATION))) {
+				printf("Pause duration configured\n");
+				pause_duration = parse_int(optarg);
+				rte_power_pmd_mgmt_set_pause_duration(pause_duration);
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_SCALE_FREQ_MIN,
+					sizeof(CMD_LINE_OPT_SCALE_FREQ_MIN))) {
+				printf("Scaling frequency minimum configured\n");
+				scale_freq_min = parse_int(optarg);
+				for (i = 0; i < RTE_MAX_LCORE; i++)
+					if (rte_lcore_is_enabled(i))
+						rte_power_pmd_mgmt_set_scaling_freq_min(i,
+								scale_freq_min);
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_SCALE_FREQ_MAX,
+					sizeof(CMD_LINE_OPT_SCALE_FREQ_MAX))) {
+				printf("Scaling frequency maximum configured\n");
+				scale_freq_max = parse_int(optarg);
+				for (i = 0; i < RTE_MAX_LCORE; i++)
+					if (rte_lcore_is_enabled(i))
+						rte_power_pmd_mgmt_set_scaling_freq_max(i,
+								scale_freq_max);
+			}
+
 			break;
 
 		default: