diff options
Diffstat (limited to 'samples/bpf/xdpsock_user.c')
| -rw-r--r-- | samples/bpf/xdpsock_user.c | 87 |
1 files changed, 85 insertions, 2 deletions
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c index c91e91362a0c..19c679456a0e 100644 --- a/samples/bpf/xdpsock_user.c +++ b/samples/bpf/xdpsock_user.c @@ -77,6 +77,7 @@ static u32 opt_batch_size = 64; static int opt_pkt_count; static u16 opt_pkt_size = MIN_PKT_SIZE; static u32 opt_pkt_fill_pattern = 0x12345678; +static bool opt_extra_stats; static int opt_poll; static int opt_interval = 1; static u32 opt_xdp_bind_flags = XDP_USE_NEED_WAKEUP; @@ -103,8 +104,20 @@ struct xsk_socket_info { struct xsk_socket *xsk; unsigned long rx_npkts; unsigned long tx_npkts; + unsigned long rx_dropped_npkts; + unsigned long rx_invalid_npkts; + unsigned long tx_invalid_npkts; + unsigned long rx_full_npkts; + unsigned long rx_fill_empty_npkts; + unsigned long tx_empty_npkts; unsigned long prev_rx_npkts; unsigned long prev_tx_npkts; + unsigned long prev_rx_dropped_npkts; + unsigned long prev_rx_invalid_npkts; + unsigned long prev_tx_invalid_npkts; + unsigned long prev_rx_full_npkts; + unsigned long prev_rx_fill_empty_npkts; + unsigned long prev_tx_empty_npkts; u32 outstanding_tx; }; @@ -147,6 +160,30 @@ static void print_benchmark(bool running) } } +static int xsk_get_xdp_stats(int fd, struct xsk_socket_info *xsk) +{ + struct xdp_statistics stats; + socklen_t optlen; + int err; + + optlen = sizeof(stats); + err = getsockopt(fd, SOL_XDP, XDP_STATISTICS, &stats, &optlen); + if (err) + return err; + + if (optlen == sizeof(struct xdp_statistics)) { + xsk->rx_dropped_npkts = stats.rx_dropped; + xsk->rx_invalid_npkts = stats.rx_invalid_descs; + xsk->tx_invalid_npkts = stats.tx_invalid_descs; + xsk->rx_full_npkts = stats.rx_ring_full; + xsk->rx_fill_empty_npkts = stats.rx_fill_ring_empty_descs; + xsk->tx_empty_npkts = stats.tx_ring_empty_descs; + return 0; + } + + return -EINVAL; +} + static void dump_stats(void) { unsigned long now = get_nsecs(); @@ -157,7 +194,8 @@ static void dump_stats(void) for (i = 0; i < num_socks && xsks[i]; i++) { char *fmt = "%-15s %'-11.0f %'-11lu\n"; - double rx_pps, tx_pps; + double rx_pps, tx_pps, dropped_pps, rx_invalid_pps, full_pps, fill_empty_pps, + tx_invalid_pps, tx_empty_pps; rx_pps = (xsks[i]->rx_npkts - xsks[i]->prev_rx_npkts) * 1000000000. / dt; @@ -175,6 +213,46 @@ static void dump_stats(void) xsks[i]->prev_rx_npkts = xsks[i]->rx_npkts; xsks[i]->prev_tx_npkts = xsks[i]->tx_npkts; + + if (opt_extra_stats) { + if (!xsk_get_xdp_stats(xsk_socket__fd(xsks[i]->xsk), xsks[i])) { + dropped_pps = (xsks[i]->rx_dropped_npkts - + xsks[i]->prev_rx_dropped_npkts) * 1000000000. / dt; + rx_invalid_pps = (xsks[i]->rx_invalid_npkts - + xsks[i]->prev_rx_invalid_npkts) * 1000000000. / dt; + tx_invalid_pps = (xsks[i]->tx_invalid_npkts - + xsks[i]->prev_tx_invalid_npkts) * 1000000000. / dt; + full_pps = (xsks[i]->rx_full_npkts - + xsks[i]->prev_rx_full_npkts) * 1000000000. / dt; + fill_empty_pps = (xsks[i]->rx_fill_empty_npkts - + xsks[i]->prev_rx_fill_empty_npkts) + * 1000000000. / dt; + tx_empty_pps = (xsks[i]->tx_empty_npkts - + xsks[i]->prev_tx_empty_npkts) * 1000000000. / dt; + + printf(fmt, "rx dropped", dropped_pps, + xsks[i]->rx_dropped_npkts); + printf(fmt, "rx invalid", rx_invalid_pps, + xsks[i]->rx_invalid_npkts); + printf(fmt, "tx invalid", tx_invalid_pps, + xsks[i]->tx_invalid_npkts); + printf(fmt, "rx queue full", full_pps, + xsks[i]->rx_full_npkts); + printf(fmt, "fill ring empty", fill_empty_pps, + xsks[i]->rx_fill_empty_npkts); + printf(fmt, "tx ring empty", tx_empty_pps, + xsks[i]->tx_empty_npkts); + + xsks[i]->prev_rx_dropped_npkts = xsks[i]->rx_dropped_npkts; + xsks[i]->prev_rx_invalid_npkts = xsks[i]->rx_invalid_npkts; + xsks[i]->prev_tx_invalid_npkts = xsks[i]->tx_invalid_npkts; + xsks[i]->prev_rx_full_npkts = xsks[i]->rx_full_npkts; + xsks[i]->prev_rx_fill_empty_npkts = xsks[i]->rx_fill_empty_npkts; + xsks[i]->prev_tx_empty_npkts = xsks[i]->tx_empty_npkts; + } else { + printf("%-15s\n", "Error retrieving extra stats"); + } + } } } @@ -630,6 +708,7 @@ static struct option long_options[] = { {"tx-pkt-count", required_argument, 0, 'C'}, {"tx-pkt-size", required_argument, 0, 's'}, {"tx-pkt-pattern", required_argument, 0, 'P'}, + {"extra-stats", no_argument, 0, 'x'}, {0, 0, 0, 0} }; @@ -664,6 +743,7 @@ static void usage(const char *prog) " (Default: %d bytes)\n" " Min size: %d, Max size %d.\n" " -P, --tx-pkt-pattern=nPacket fill pattern. Default: 0x%x\n" + " -x, --extra-stats Display extra statistics.\n" "\n"; fprintf(stderr, str, prog, XSK_UMEM__DEFAULT_FRAME_SIZE, opt_batch_size, MIN_PKT_SIZE, MIN_PKT_SIZE, @@ -679,7 +759,7 @@ static void parse_command_line(int argc, char **argv) opterr = 0; for (;;) { - c = getopt_long(argc, argv, "Frtli:q:pSNn:czf:muMd:b:C:s:P:", + c = getopt_long(argc, argv, "Frtli:q:pSNn:czf:muMd:b:C:s:P:x", long_options, &option_index); if (c == -1) break; @@ -760,6 +840,9 @@ static void parse_command_line(int argc, char **argv) case 'P': opt_pkt_fill_pattern = strtol(optarg, NULL, 16); break; + case 'x': + opt_extra_stats = 1; + break; default: usage(basename(argv[0])); } |