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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
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Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: [PATCH 79/83] app/test-flow-perf: move alignment attribute on types
Date: Wed, 20 Mar 2024 08:38:12 -0700
Message-Id: <1710949096-5786-80-git-send-email-roretzla@linux.microsoft.com>
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Move location of __rte_aligned(a) to new conventional location. The new
placement between {struct,union} and the tag allows the desired
alignment to be imparted on the type regardless of the toolchain being
used for both C and C++. Additionally, it avoids confusion by Doxygen
when generating documentation.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
app/test-flow-perf/actions_gen.c | 51 ++++++++++++++++++++++------------------
app/test-flow-perf/items_gen.c | 22 +++++++++--------
app/test-flow-perf/main.c | 8 +++----
3 files changed, 44 insertions(+), 37 deletions(-)
diff --git a/app/test-flow-perf/actions_gen.c b/app/test-flow-perf/actions_gen.c
index f1d5931..b5336e8 100644
--- a/app/test-flow-perf/actions_gen.c
+++ b/app/test-flow-perf/actions_gen.c
@@ -62,7 +62,8 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_mark mark_actions[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE)
+ struct rte_flow_action_mark mark_actions[RTE_MAX_LCORE];
uint32_t counter = para.counter;
do {
@@ -79,7 +80,8 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_queue queue_actions[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE)
+ struct rte_flow_action_queue queue_actions[RTE_MAX_LCORE];
do {
queue_actions[para.core_idx].index = para.queue;
@@ -109,7 +111,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct action_rss_data *rss_data[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct action_rss_data *rss_data[RTE_MAX_LCORE];
uint16_t queue;
@@ -208,7 +210,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_mac set_macs[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_mac set_macs[RTE_MAX_LCORE];
uint32_t mac = para.counter;
uint16_t i;
@@ -231,7 +233,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_mac set_macs[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_mac set_macs[RTE_MAX_LCORE];
uint32_t mac = para.counter;
uint16_t i;
@@ -254,7 +256,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_ipv4 set_ipv4[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_ipv4 set_ipv4[RTE_MAX_LCORE];
uint32_t ip = para.counter;
/* Fixed value */
@@ -273,7 +275,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_ipv4 set_ipv4[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_ipv4 set_ipv4[RTE_MAX_LCORE];
uint32_t ip = para.counter;
/* Fixed value */
@@ -292,7 +294,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_ipv6 set_ipv6[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_ipv6 set_ipv6[RTE_MAX_LCORE];
uint32_t ipv6 = para.counter;
uint8_t i;
@@ -315,7 +317,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_ipv6 set_ipv6[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_ipv6 set_ipv6[RTE_MAX_LCORE];
uint32_t ipv6 = para.counter;
uint8_t i;
@@ -338,7 +340,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_tp set_tp[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_tp set_tp[RTE_MAX_LCORE];
uint32_t tp = para.counter;
/* Fixed value */
@@ -359,7 +361,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_tp set_tp[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_tp set_tp[RTE_MAX_LCORE];
uint32_t tp = para.counter;
/* Fixed value */
@@ -381,7 +383,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static rte_be32_t value[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) rte_be32_t value[RTE_MAX_LCORE];
uint32_t ack_value = para.counter;
/* Fixed value */
@@ -399,7 +401,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static rte_be32_t value[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) rte_be32_t value[RTE_MAX_LCORE];
uint32_t ack_value = para.counter;
/* Fixed value */
@@ -417,7 +419,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static rte_be32_t value[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) rte_be32_t value[RTE_MAX_LCORE];
uint32_t seq_value = para.counter;
/* Fixed value */
@@ -435,7 +437,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static rte_be32_t value[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) rte_be32_t value[RTE_MAX_LCORE];
uint32_t seq_value = para.counter;
/* Fixed value */
@@ -453,7 +455,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_ttl set_ttl[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_ttl set_ttl[RTE_MAX_LCORE];
uint32_t ttl_value = para.counter;
/* Fixed value */
@@ -482,7 +484,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_dscp set_dscp[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_dscp set_dscp[RTE_MAX_LCORE];
uint32_t dscp_value = para.counter;
/* Fixed value */
@@ -503,7 +505,7 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct rte_flow_action_set_dscp set_dscp[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_set_dscp set_dscp[RTE_MAX_LCORE];
uint32_t dscp_value = para.counter;
/* Fixed value */
@@ -770,7 +772,8 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct action_raw_encap_data *action_encap_data[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE)
+ struct action_raw_encap_data *action_encap_data[RTE_MAX_LCORE];
uint64_t encap_data = para.encap_data;
uint8_t *header;
uint8_t i;
@@ -807,7 +810,8 @@ struct action_rss_data {
uint8_t actions_counter,
struct additional_para para)
{
- static struct action_raw_decap_data *action_decap_data[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE)
+ struct action_raw_decap_data *action_decap_data[RTE_MAX_LCORE];
uint64_t decap_data = para.decap_data;
uint8_t *header;
uint8_t i;
@@ -844,7 +848,8 @@ struct action_rss_data {
uint8_t actions_counter,
__rte_unused struct additional_para para)
{
- static struct rte_flow_action_vxlan_encap vxlan_encap[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE)
+ struct rte_flow_action_vxlan_encap vxlan_encap[RTE_MAX_LCORE];
static struct rte_flow_item items[5];
static struct rte_flow_item_eth item_eth;
static struct rte_flow_item_ipv4 item_ipv4;
@@ -900,8 +905,8 @@ struct action_rss_data {
uint8_t actions_counter,
__rte_unused struct additional_para para)
{
- static struct rte_flow_action_meter
- meters[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_action_meter
+ meters[RTE_MAX_LCORE];
meters[para.core_idx].mtr_id = para.counter;
actions[actions_counter].type = RTE_FLOW_ACTION_TYPE_METER;
diff --git a/app/test-flow-perf/items_gen.c b/app/test-flow-perf/items_gen.c
index 8592834..4ae7250 100644
--- a/app/test-flow-perf/items_gen.c
+++ b/app/test-flow-perf/items_gen.c
@@ -52,8 +52,8 @@ struct additional_para {
add_ipv4(struct rte_flow_item *items,
uint8_t items_counter, struct additional_para para)
{
- static struct rte_flow_item_ipv4 ipv4_specs[RTE_MAX_LCORE] __rte_cache_aligned;
- static struct rte_flow_item_ipv4 ipv4_masks[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_ipv4 ipv4_specs[RTE_MAX_LCORE];
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_ipv4 ipv4_masks[RTE_MAX_LCORE];
uint8_t ti = para.core_idx;
ipv4_specs[ti].hdr.src_addr = RTE_BE32(para.src_ip);
@@ -69,8 +69,8 @@ struct additional_para {
add_ipv6(struct rte_flow_item *items,
uint8_t items_counter, struct additional_para para)
{
- static struct rte_flow_item_ipv6 ipv6_specs[RTE_MAX_LCORE] __rte_cache_aligned;
- static struct rte_flow_item_ipv6 ipv6_masks[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_ipv6 ipv6_specs[RTE_MAX_LCORE];
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_ipv6 ipv6_masks[RTE_MAX_LCORE];
uint8_t ti = para.core_idx;
uint8_t i;
@@ -118,8 +118,8 @@ struct additional_para {
uint8_t items_counter,
struct additional_para para)
{
- static struct rte_flow_item_vxlan vxlan_specs[RTE_MAX_LCORE] __rte_cache_aligned;
- static struct rte_flow_item_vxlan vxlan_masks[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_vxlan vxlan_specs[RTE_MAX_LCORE];
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_vxlan vxlan_masks[RTE_MAX_LCORE];
uint8_t ti = para.core_idx;
uint32_t vni_value;
uint8_t i;
@@ -145,8 +145,10 @@ struct additional_para {
uint8_t items_counter,
__rte_unused struct additional_para para)
{
- static struct rte_flow_item_vxlan_gpe vxlan_gpe_specs[RTE_MAX_LCORE] __rte_cache_aligned;
- static struct rte_flow_item_vxlan_gpe vxlan_gpe_masks[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE)
+ struct rte_flow_item_vxlan_gpe vxlan_gpe_specs[RTE_MAX_LCORE];
+ static alignas(RTE_CACHE_LINE_SIZE)
+ struct rte_flow_item_vxlan_gpe vxlan_gpe_masks[RTE_MAX_LCORE];
uint8_t ti = para.core_idx;
uint32_t vni_value;
uint8_t i;
@@ -189,8 +191,8 @@ struct additional_para {
uint8_t items_counter,
__rte_unused struct additional_para para)
{
- static struct rte_flow_item_geneve geneve_specs[RTE_MAX_LCORE] __rte_cache_aligned;
- static struct rte_flow_item_geneve geneve_masks[RTE_MAX_LCORE] __rte_cache_aligned;
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_geneve geneve_specs[RTE_MAX_LCORE];
+ static alignas(RTE_CACHE_LINE_SIZE) struct rte_flow_item_geneve geneve_masks[RTE_MAX_LCORE];
uint8_t ti = para.core_idx;
uint32_t vni_value;
uint8_t i;
diff --git a/app/test-flow-perf/main.c b/app/test-flow-perf/main.c
index e224ef6..07ddfe0 100644
--- a/app/test-flow-perf/main.c
+++ b/app/test-flow-perf/main.c
@@ -113,7 +113,7 @@ struct stream {
int rx_queue;
};
-struct lcore_info {
+struct __rte_cache_aligned lcore_info {
int mode;
int streams_nb;
struct stream streams[MAX_STREAMS];
@@ -122,7 +122,7 @@ struct lcore_info {
uint64_t tx_drops;
uint64_t rx_pkts;
struct rte_mbuf *pkts[MAX_PKT_BURST];
-} __rte_cache_aligned;
+};
static struct lcore_info lcore_infos[RTE_MAX_LCORE];
@@ -131,14 +131,14 @@ struct used_cpu_time {
double deletion[MAX_PORTS][RTE_MAX_LCORE];
};
-struct multi_cores_pool {
+struct __rte_cache_aligned multi_cores_pool {
uint32_t cores_count;
uint32_t rules_count;
struct used_cpu_time meters_record;
struct used_cpu_time flows_record;
int64_t last_alloc[RTE_MAX_LCORE];
int64_t current_alloc[RTE_MAX_LCORE];
-} __rte_cache_aligned;
+};
static struct multi_cores_pool mc_pool = {
.cores_count = 1,
--
1.8.3.1