Add per queue stats info
Changes in v3
- fix coding style and displaying format
- check stats_enable to alloc mem for queue pair
Changes in v2
- fix the stats issue in tx_local
- dynamically alloc mem for queue pair stats info
- fix checkpatch errors
Signed-off-by: Changchun Ouyang <changchun.ouyang at intel.com>
---
examples/vhost/main.c | 126 +++++++++++++++++++++++++++++++-------------------
1 file changed, 79 insertions(+), 47 deletions(-)
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index d40cb11..76f645f 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -314,7 +314,7 @@ struct ipv4_hdr {
#define VLAN_ETH_HLEN 18
/* Per-device statistics struct */
-struct device_statistics {
+struct qp_statistics {
uint64_t tx_total;
rte_atomic64_t rx_total_atomic;
uint64_t rx_total;
@@ -322,6 +322,10 @@ struct device_statistics {
rte_atomic64_t rx_atomic;
uint64_t rx;
} __rte_cache_aligned;
+
+struct device_statistics {
+ struct qp_statistics *qp_stats;
+};
struct device_statistics dev_statistics[MAX_DEVICES];
/*
@@ -738,6 +742,17 @@ us_vhost_parse_args(int argc, char **argv)
return -1;
} else {
enable_stats = ret;
+ if (enable_stats)
+ for (i = 0; i < MAX_DEVICES;
i++) {
+
dev_statistics[i].qp_stats =
+
malloc(VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX * sizeof(struct qp_statistics));
+ if
(dev_statistics[i].qp_stats == NULL) {
+ RTE_LOG(ERR,
VHOST_CONFIG, "Failed to allocate memory for qp stats.\n");
+ return -1;
+ }
+
memset(dev_statistics[i].qp_stats, 0,
+
VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX * sizeof(struct qp_statistics));
+ }
}
}
@@ -1093,13 +1108,13 @@ virtio_tx_local(struct vhost_dev *vdev, struct rte_mbuf
*m, uint32_t q_idx)
&m, 1);
if (enable_stats) {
rte_atomic64_add(
-
&dev_statistics[tdev->device_fh].rx_total_atomic,
+
&dev_statistics[tdev->device_fh].qp_stats[q_idx].rx_total_atomic,
1);
rte_atomic64_add(
-
&dev_statistics[tdev->device_fh].rx_atomic,
+
&dev_statistics[tdev->device_fh].qp_stats[q_idx].rx_atomic,
ret);
-
dev_statistics[tdev->device_fh].tx_total++;
- dev_statistics[tdev->device_fh].tx +=
ret;
+
dev_statistics[dev->device_fh].qp_stats[q_idx].tx_total++;
+
dev_statistics[dev->device_fh].qp_stats[q_idx].tx += ret;
}
}
@@ -1233,8 +1248,8 @@ virtio_tx_route(struct vhost_dev *vdev, struct rte_mbuf
*m,
tx_q->m_table[len] = m;
len++;
if (enable_stats) {
- dev_statistics[dev->device_fh].tx_total++;
- dev_statistics[dev->device_fh].tx++;
+ dev_statistics[dev->device_fh].qp_stats[q_idx].tx_total++;
+ dev_statistics[dev->device_fh].qp_stats[q_idx].tx++;
}
if (unlikely(len == MAX_PKT_BURST)) {
@@ -1365,10 +1380,10 @@ switch_worker(__attribute__((unused)) void *arg)
pkts_burst, rx_count);
if (enable_stats) {
rte_atomic64_add(
-
&dev_statistics[dev_ll->vdev->dev->device_fh].rx_total_atomic,
+
&dev_statistics[dev_ll->vdev->dev->device_fh].qp_stats[i].rx_total_atomic,
rx_count);
rte_atomic64_add(
-
&dev_statistics[dev_ll->vdev->dev->device_fh].rx_atomic, ret_count);
+
&dev_statistics[dev_ll->vdev->dev->device_fh].qp_stats[i].rx_atomic, ret_count);
}
while (likely(rx_count)) {
rx_count--;
@@ -1918,8 +1933,8 @@ virtio_tx_route_zcp(struct virtio_net *dev, struct
rte_mbuf *m,
(mbuf->next == NULL) ? "null" : "non-null");
if (enable_stats) {
- dev_statistics[dev->device_fh].tx_total++;
- dev_statistics[dev->device_fh].tx++;
+ dev_statistics[dev->device_fh].qp_stats[0].tx_total++;
+ dev_statistics[dev->device_fh].qp_stats[0].tx++;
}
if (unlikely(len == MAX_PKT_BURST)) {
@@ -2202,9 +2217,9 @@ switch_worker_zcp(__attribute__((unused)) void *arg)
ret_count = virtio_dev_rx_zcp(dev,
pkts_burst, rx_count);
if (enable_stats) {
-
dev_statistics[dev->device_fh].rx_total
+
dev_statistics[dev->device_fh].qp_stats[0].rx_total
+= rx_count;
-
dev_statistics[dev->device_fh].rx
+
dev_statistics[dev->device_fh].qp_stats[0].rx
+= ret_count;
}
while (likely(rx_count)) {
@@ -2824,7 +2839,9 @@ new_device (struct virtio_net *dev)
add_data_ll_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_used,
ll_dev);
/* Initialize device stats */
- memset(&dev_statistics[dev->device_fh], 0, sizeof(struct
device_statistics));
+ if (enable_stats)
+ memset(dev_statistics[dev->device_fh].qp_stats, 0,
+ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX * sizeof(struct
qp_statistics));
/* Disable notifications. */
rte_vhost_enable_guest_notification(dev, VIRTIO_RXQ, 0);
@@ -2857,7 +2874,7 @@ print_stats(void)
struct virtio_net_data_ll *dev_ll;
uint64_t tx_dropped, rx_dropped;
uint64_t tx, tx_total, rx, rx_total;
- uint32_t device_fh;
+ uint32_t device_fh, i;
const char clr[] = { 27, '[', '2', 'J', '\0' };
const char top_left[] = { 27, '[', '1', ';', '1', 'H','\0' };
@@ -2872,35 +2889,53 @@ print_stats(void)
dev_ll = ll_root_used;
while (dev_ll != NULL) {
device_fh = (uint32_t)dev_ll->vdev->dev->device_fh;
- tx_total = dev_statistics[device_fh].tx_total;
- tx = dev_statistics[device_fh].tx;
- tx_dropped = tx_total - tx;
- if (zero_copy == 0) {
- rx_total = rte_atomic64_read(
-
&dev_statistics[device_fh].rx_total_atomic);
- rx = rte_atomic64_read(
- &dev_statistics[device_fh].rx_atomic);
- } else {
- rx_total = dev_statistics[device_fh].rx_total;
- rx = dev_statistics[device_fh].rx;
- }
- rx_dropped = rx_total - rx;
-
- printf("\nStatistics for device %"PRIu32"
------------------------------"
- "\nTX total: %"PRIu64""
- "\nTX dropped: %"PRIu64""
- "\nTX successful:
%"PRIu64""
- "\nRX total: %"PRIu64""
- "\nRX dropped: %"PRIu64""
- "\nRX successful:
%"PRIu64"",
- device_fh,
- tx_total,
- tx_dropped,
- tx,
- rx_total,
- rx_dropped,
- rx);
-
+ for (i = 0; i < rxq; i++) {
+ tx_total =
dev_statistics[device_fh].qp_stats[i].tx_total;
+ tx = dev_statistics[device_fh].qp_stats[i].tx;
+ tx_dropped = tx_total - tx;
+ if (zero_copy == 0) {
+ rx_total = rte_atomic64_read(
+
&dev_statistics[device_fh].qp_stats[i].rx_total_atomic);
+ rx = rte_atomic64_read(
+
&dev_statistics[device_fh].qp_stats[i].rx_atomic);
+ } else {
+ rx_total =
dev_statistics[device_fh].qp_stats[0].rx_total;
+ rx =
dev_statistics[device_fh].qp_stats[0].rx;
+ }
+ rx_dropped = rx_total - rx;
+
+ if (rxq > 1)
+ printf("\nStatistics for device
%"PRIu32" queue id: %d------------------"
+ "\nTX total:
%"PRIu64""
+ "\nTX dropped:
%"PRIu64""
+ "\nTX success:
%"PRIu64""
+ "\nRX total:
%"PRIu64""
+ "\nRX dropped:
%"PRIu64""
+ "\nRX success:
%"PRIu64"",
+ device_fh,
+ i,
+ tx_total,
+ tx_dropped,
+ tx,
+ rx_total,
+ rx_dropped,
+ rx);
+ else
+ printf("\nStatistics for device
%"PRIu32" ------------------------------"
+ "\nTX total:
%"PRIu64""
+ "\nTX dropped:
%"PRIu64""
+ "\nTX success:
%"PRIu64""
+ "\nRX total:
%"PRIu64""
+ "\nRX dropped:
%"PRIu64""
+ "\nRX success:
%"PRIu64"",
+ device_fh,
+ tx_total,
+ tx_dropped,
+ tx,
+ rx_total,
+ rx_dropped,
+ rx);
+ }
dev_ll = dev_ll->next;
}
printf("\n======================================================\n");
@@ -3070,9 +3105,6 @@ main(int argc, char *argv[])
if (init_data_ll() == -1)
rte_exit(EXIT_FAILURE, "Failed to initialize linked list\n");
- /* Initialize device stats */
- memset(&dev_statistics, 0, sizeof(dev_statistics));
-
/* Enable stats if the user option is set. */
if (enable_stats)
pthread_create(&tid, NULL, (void*)print_stats, NULL );
--
1.8.4.2
