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app/testpmd: show throughput in port stats

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This patch adds throughput numbers (in the period since last use of this
command) in port statistics display for "show port stats (port_id|all)".

Signed-off-by: Zhihong Wang <zhihong.wang@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
This commit is contained in:
Zhihong Wang 2016-06-14 19:08:04 -04:00 committed by Thomas Monjalon
parent acbf77a690
commit 0e10698030
1 changed files with 23 additions and 0 deletions
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23
app/test-pmd/config.c
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@ -92,6 +92,7 @@
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_string_fns.h>
#include <rte_cycles.h>
#include "testpmd.h"
@ -150,6 +151,11 @@ print_ethaddr(const char *name, struct ether_addr *eth_addr)
void
nic_stats_display(portid_t port_id)
{
static uint64_t prev_pkts_rx[RTE_MAX_ETHPORTS];
static uint64_t prev_pkts_tx[RTE_MAX_ETHPORTS];
static uint64_t prev_cycles[RTE_MAX_ETHPORTS];
uint64_t diff_pkts_rx, diff_pkts_tx, diff_cycles;
uint64_t mpps_rx, mpps_tx;
struct rte_eth_stats stats;
struct rte_port *port = &ports[port_id];
uint8_t i;
@ -209,6 +215,23 @@ nic_stats_display(portid_t port_id)
}
}
diff_cycles = prev_cycles[port_id];
prev_cycles[port_id] = rte_rdtsc();
if (diff_cycles > 0)
diff_cycles = prev_cycles[port_id] - diff_cycles;
diff_pkts_rx = stats.ipackets - prev_pkts_rx[port_id];
diff_pkts_tx = stats.opackets - prev_pkts_tx[port_id];
prev_pkts_rx[port_id] = stats.ipackets;
prev_pkts_tx[port_id] = stats.opackets;
mpps_rx = diff_cycles > 0 ?
diff_pkts_rx * rte_get_tsc_hz() / diff_cycles : 0;
mpps_tx = diff_cycles > 0 ?
diff_pkts_tx * rte_get_tsc_hz() / diff_cycles : 0;
printf("\n Throughput (since last show)\n");
printf(" Rx-pps: %12"PRIu64"\n Tx-pps: %12"PRIu64"\n",
mpps_rx, mpps_tx);
printf(" %s############################%s\n",
nic_stats_border, nic_stats_border);
}