packet manager support output fieldstat

This commit is contained in:
luwenpeng
2024-10-31 18:26:21 +08:00
parent 89971d4b0a
commit 159ad20ea5
8 changed files with 244 additions and 150 deletions

View File

@@ -5,8 +5,6 @@
#include "packet_internal.h" #include "packet_internal.h"
#include "fieldstat/fieldstat_easy.h" #include "fieldstat/fieldstat_easy.h"
#define SYNC_STAT_INTERVAL_MS 1000
struct packet_io_cfg struct packet_io_cfg
{ {
char mode[64]; char mode[64];

View File

@@ -12,6 +12,6 @@ target_include_directories(packet_manager PUBLIC ${CMAKE_SOURCE_DIR}/deps/uthash
target_include_directories(packet_manager PUBLIC ${CMAKE_SOURCE_DIR}/deps/logger) target_include_directories(packet_manager PUBLIC ${CMAKE_SOURCE_DIR}/deps/logger)
target_include_directories(packet_manager PUBLIC ${CMAKE_SOURCE_DIR}/include) target_include_directories(packet_manager PUBLIC ${CMAKE_SOURCE_DIR}/include)
target_include_directories(packet_manager PUBLIC ${CMAKE_SOURCE_DIR}/infra) target_include_directories(packet_manager PUBLIC ${CMAKE_SOURCE_DIR}/infra)
target_link_libraries(packet_manager tuple logger dablooms mq exdata module_manager) target_link_libraries(packet_manager tuple logger dablooms mq exdata module_manager fieldstat4)
add_subdirectory(test) add_subdirectory(test)

View File

@@ -3,6 +3,7 @@
#include "utils_internal.h" #include "utils_internal.h"
#include "packet_internal.h" #include "packet_internal.h"
#include "packet_manager.h" #include "packet_manager.h"
#include "fieldstat/fieldstat_easy.h"
#define PACKET_MANAGER_MODULE_NAME "packet_manager_module" #define PACKET_MANAGER_MODULE_NAME "packet_manager_module"
@@ -10,7 +11,7 @@
#define PACKET_MANAGER_LOG_FATAL(format, ...) STELLAR_LOG_FATAL(__thread_local_logger, "packet manager", format, ##__VA_ARGS__) #define PACKET_MANAGER_LOG_FATAL(format, ...) STELLAR_LOG_FATAL(__thread_local_logger, "packet manager", format, ##__VA_ARGS__)
#define PACKET_MANAGER_LOG_INFO(format, ...) STELLAR_LOG_INFO(__thread_local_logger, "packet manager", format, ##__VA_ARGS__) #define PACKET_MANAGER_LOG_INFO(format, ...) STELLAR_LOG_INFO(__thread_local_logger, "packet manager", format, ##__VA_ARGS__)
struct packet_manager_runtime struct packet_manager_rte
{ {
enum packet_stage curr_stage; enum packet_stage curr_stage;
struct packet_queue queue[PACKET_QUEUE_MAX]; struct packet_queue queue[PACKET_QUEUE_MAX];
@@ -18,26 +19,29 @@ struct packet_manager_runtime
void *claim_arg; void *claim_arg;
on_packet_claimed_callback *claim_cb; on_packet_claimed_callback *claim_cb;
struct mq_runtime *mq; struct mq_runtime *mq_rte;
struct packet_manager_stat stat; struct packet_manager_stat stat;
}; };
struct packet_manager_schema struct packet_manager_sche
{ {
struct exdata_schema *exdata; struct exdata_schema *ex_sche;
struct mq_schema *mq; struct mq_schema *mq_sche;
int topic_id[PACKET_STAGE_MAX]; int pkt_msg_id[PACKET_STAGE_MAX];
}; };
struct packet_manager struct packet_manager
{ {
uint16_t thread_num; uint16_t thread_num;
struct packet_manager_schema *schema; struct packet_manager_sche *sche;
struct packet_manager_runtime *runtime[MAX_THREAD_NUM]; struct packet_manager_rte *rte[MAX_THREAD_NUM];
struct fieldstat_easy *fs;
int pkt_mgr_fs_idx[PKT_MGR_STAT_MAX];
}; };
/****************************************************************************** /******************************************************************************
* packet manager runtime * utils
******************************************************************************/ ******************************************************************************/
const char *packet_stage_to_str(enum packet_stage stage) const char *packet_stage_to_str(enum packet_stage stage)
@@ -59,58 +63,76 @@ const char *packet_stage_to_str(enum packet_stage stage)
} }
} }
void packet_manager_runtime_free(struct packet_manager_runtime *pkt_mgr_rt) uint64_t packet_manager_stat_get(struct packet_manager_stat *stat, enum pkt_mgr_stat_type type)
{ {
if (pkt_mgr_rt) switch (type)
{
#define XX(_type, _name, _val) case _type: return stat->_val;
PKT_MGR_STAT_MAP(XX)
#undef XX
default:
return 0;
}
}
/******************************************************************************
* packet manager rte
******************************************************************************/
static void packet_manager_rte_free(struct packet_manager_rte *pkt_mgr_rte)
{
struct packet *pkt = NULL;
if (pkt_mgr_rte)
{ {
for (int i = 0; i < PACKET_QUEUE_MAX; i++) for (int i = 0; i < PACKET_QUEUE_MAX; i++)
{ {
struct packet *pkt = NULL; while ((pkt = TAILQ_FIRST(&pkt_mgr_rte->queue[i])))
while ((pkt = TAILQ_FIRST(&pkt_mgr_rt->queue[i])))
{ {
TAILQ_REMOVE(&pkt_mgr_rt->queue[i], pkt, stage_tqe); TAILQ_REMOVE(&pkt_mgr_rte->queue[i], pkt, stage_tqe);
packet_free(pkt); packet_free(pkt);
} }
} }
free(pkt_mgr_rte);
pkt_mgr_rte = NULL;
} }
free(pkt_mgr_rt);
pkt_mgr_rt = NULL;
} }
struct packet_manager_runtime *packet_manager_runtime_new(struct mq_runtime *mq_rt) static struct packet_manager_rte *packet_manager_rte_new(struct mq_runtime *mq_rte)
{ {
struct packet_manager_runtime *pkt_mgr_rt = calloc(1, sizeof(struct packet_manager_runtime)); struct packet_manager_rte *pkt_mgr_rte = calloc(1, sizeof(struct packet_manager_rte));
if (pkt_mgr_rt == NULL) if (pkt_mgr_rte == NULL)
{ {
PACKET_MANAGER_LOG_ERROR("failed to allocate memory for packet_manager_runtime"); PACKET_MANAGER_LOG_ERROR("failed to allocate memory for packet_manager_rte");
return NULL; return NULL;
} }
for (int i = 0; i < PACKET_QUEUE_MAX; i++) for (int i = 0; i < PACKET_QUEUE_MAX; i++)
{ {
TAILQ_INIT(&pkt_mgr_rt->queue[i]); TAILQ_INIT(&pkt_mgr_rte->queue[i]);
} }
pkt_mgr_rt->mq = mq_rt; pkt_mgr_rte->mq_rte = mq_rte;
return pkt_mgr_rt; return pkt_mgr_rte;
} }
/****************************************************************************** /******************************************************************************
* packet manager schema * packet manager sche
******************************************************************************/ ******************************************************************************/
static void on_packet_stage_dispatch(int topic_id, void *msg, on_msg_cb_func *cb, void *cb_arg, void *dispatch_arg) static void on_packet_stage_dispatch(int pkt_msg_id, void *msg, on_msg_cb_func *cb, void *cb_arg, void *dispatch_arg)
{ {
assert(msg); assert(msg);
assert(dispatch_arg); assert(dispatch_arg);
struct packet_manager_schema *schema = (struct packet_manager_schema *)dispatch_arg;
struct packet *pkt = (struct packet *)msg;
enum packet_stage stage = PACKET_STAGE_MAX; enum packet_stage stage = PACKET_STAGE_MAX;
struct packet *pkt = (struct packet *)msg;
struct packet_manager_sche *pkt_mgr_sche = (struct packet_manager_sche *)dispatch_arg;
for (int i = 0; i < PACKET_STAGE_MAX; i++) for (int i = 0; i < PACKET_STAGE_MAX; i++)
{ {
if (schema->topic_id[i] == topic_id) if (pkt_mgr_sche->pkt_msg_id[i] == pkt_msg_id)
{ {
stage = i; stage = i;
break; break;
@@ -120,62 +142,62 @@ static void on_packet_stage_dispatch(int topic_id, void *msg, on_msg_cb_func *cb
((on_packet_stage_callback *)(void *)cb)(pkt, stage, cb_arg); ((on_packet_stage_callback *)(void *)cb)(pkt, stage, cb_arg);
} }
static void packet_schema_free(struct packet_manager_schema *pkt_mgr_schema) static void packet_manager_sche_free(struct packet_manager_sche *pkt_mgr_sche)
{ {
if (pkt_mgr_schema) if (pkt_mgr_sche)
{ {
if (pkt_mgr_schema->mq) if (pkt_mgr_sche->mq_sche)
{ {
for (int i = 0; i < PACKET_STAGE_MAX; i++) for (int i = 0; i < PACKET_STAGE_MAX; i++)
{ {
if (pkt_mgr_schema->topic_id[i] >= 0) if (pkt_mgr_sche->pkt_msg_id[i] >= 0)
{ {
mq_schema_destroy_topic(pkt_mgr_schema->mq, pkt_mgr_schema->topic_id[i]); mq_schema_destroy_topic(pkt_mgr_sche->mq_sche, pkt_mgr_sche->pkt_msg_id[i]);
} }
} }
} }
if (pkt_mgr_schema->exdata) if (pkt_mgr_sche->ex_sche)
{ {
exdata_schema_free(pkt_mgr_schema->exdata); exdata_schema_free(pkt_mgr_sche->ex_sche);
} }
free(pkt_mgr_schema); free(pkt_mgr_sche);
pkt_mgr_schema = NULL; pkt_mgr_sche = NULL;
} }
} }
static struct packet_manager_schema *packet_schema_new(struct mq_schema *mq) static struct packet_manager_sche *packet_manager_sche_new(struct mq_schema *mq_sche)
{ {
struct packet_manager_schema *pkt_mgr_schema = calloc(1, sizeof(struct packet_manager_schema)); struct packet_manager_sche *pkt_mgr_sche = calloc(1, sizeof(struct packet_manager_sche));
if (pkt_mgr_schema == NULL) if (pkt_mgr_sche == NULL)
{ {
PACKET_MANAGER_LOG_ERROR("failed to allocate memory for packet_schema"); PACKET_MANAGER_LOG_ERROR("failed to allocate memory for packet_schema");
return NULL; return NULL;
} }
pkt_mgr_schema->exdata = exdata_schema_new(); pkt_mgr_sche->mq_sche = mq_sche;
if (pkt_mgr_schema->exdata == NULL) pkt_mgr_sche->ex_sche = exdata_schema_new();
if (pkt_mgr_sche->ex_sche == NULL)
{ {
PACKET_MANAGER_LOG_ERROR("failed to create exdata_schema"); PACKET_MANAGER_LOG_ERROR("failed to create exdata_schema");
goto error_out; goto error_out;
} }
pkt_mgr_schema->mq = mq;
for (int i = 0; i < PACKET_STAGE_MAX; i++) for (int i = 0; i < PACKET_STAGE_MAX; i++)
{ {
pkt_mgr_schema->topic_id[i] = mq_schema_create_topic(pkt_mgr_schema->mq, packet_stage_to_str(i), &on_packet_stage_dispatch, pkt_mgr_schema, NULL, NULL); pkt_mgr_sche->pkt_msg_id[i] = mq_schema_create_topic(pkt_mgr_sche->mq_sche, packet_stage_to_str(i), &on_packet_stage_dispatch, pkt_mgr_sche, NULL, NULL);
if (pkt_mgr_schema->topic_id[i] < 0) if (pkt_mgr_sche->pkt_msg_id[i] < 0)
{ {
PACKET_MANAGER_LOG_ERROR("failed to create topic %s", packet_stage_to_str(i)); PACKET_MANAGER_LOG_ERROR("failed to create topic %s", packet_stage_to_str(i));
goto error_out; goto error_out;
} }
} }
return pkt_mgr_schema; return pkt_mgr_sche;
error_out: error_out:
packet_schema_free(pkt_mgr_schema); packet_manager_sche_free(pkt_mgr_sche);
return NULL; return NULL;
} }
@@ -183,7 +205,7 @@ error_out:
* packet manager * packet manager
******************************************************************************/ ******************************************************************************/
struct packet_manager *packet_manager_new(struct mq_schema *mq_schema, uint16_t thread_num) struct packet_manager *packet_manager_new(struct mq_schema *mq_sche, uint16_t thread_num)
{ {
struct packet_manager *pkt_mgr = calloc(1, sizeof(struct packet_manager)); struct packet_manager *pkt_mgr = calloc(1, sizeof(struct packet_manager));
if (pkt_mgr == NULL) if (pkt_mgr == NULL)
@@ -193,13 +215,29 @@ struct packet_manager *packet_manager_new(struct mq_schema *mq_schema, uint16_t
} }
pkt_mgr->thread_num = thread_num; pkt_mgr->thread_num = thread_num;
pkt_mgr->schema = packet_schema_new(mq_schema); pkt_mgr->sche = packet_manager_sche_new(mq_sche);
if (pkt_mgr->schema == NULL) if (pkt_mgr->sche == NULL)
{ {
PACKET_MANAGER_LOG_ERROR("failed to create packet_schema"); PACKET_MANAGER_LOG_ERROR("failed to create packet_schema");
goto error_out; goto error_out;
} }
pkt_mgr->fs = fieldstat_easy_new(pkt_mgr->thread_num, "packet_manager", NULL, 0);
if (pkt_mgr->fs == NULL)
{
PACKET_MANAGER_LOG_ERROR("failed to create fieldstat_easy");
goto error_out;
}
if (fieldstat_easy_enable_auto_output(pkt_mgr->fs, "packet_manager.fs4", 2) != 0)
{
PACKET_MANAGER_LOG_ERROR("failed to enable auto output for fieldstat_easy");
goto error_out;
}
for (int i = 0; i < PKT_MGR_STAT_MAX; i++)
{
pkt_mgr->pkt_mgr_fs_idx[i] = fieldstat_easy_register_counter(pkt_mgr->fs, pkt_mgr_stat_str[i]);
}
return pkt_mgr; return pkt_mgr;
error_out: error_out:
@@ -211,7 +249,12 @@ void packet_manager_free(struct packet_manager *pkt_mgr)
{ {
if (pkt_mgr) if (pkt_mgr)
{ {
packet_schema_free(pkt_mgr->schema); if (pkt_mgr->fs)
{
fieldstat_easy_free(pkt_mgr->fs);
}
packet_manager_sche_free(pkt_mgr->sche);
free(pkt_mgr); free(pkt_mgr);
pkt_mgr = NULL; pkt_mgr = NULL;
@@ -221,30 +264,29 @@ void packet_manager_free(struct packet_manager *pkt_mgr)
int packet_manager_new_packet_exdata_index(struct packet_manager *pkt_mgr, const char *name, exdata_free *func, void *arg) int packet_manager_new_packet_exdata_index(struct packet_manager *pkt_mgr, const char *name, exdata_free *func, void *arg)
{ {
assert(pkt_mgr); assert(pkt_mgr);
return exdata_schema_new_index(pkt_mgr->schema->exdata, name, func, arg); return exdata_schema_new_index(pkt_mgr->sche->ex_sche, name, func, arg);
} }
int packet_manager_subscribe(struct packet_manager *pkt_mgr, enum packet_stage stage, on_packet_stage_callback *cb, void *arg) int packet_manager_subscribe(struct packet_manager *pkt_mgr, enum packet_stage stage, on_packet_stage_callback *cb, void *arg)
{ {
assert(pkt_mgr); assert(pkt_mgr);
return mq_schema_subscribe(pkt_mgr->schema->mq, pkt_mgr->schema->topic_id[stage], (on_msg_cb_func *)(void *)cb, arg); return mq_schema_subscribe(pkt_mgr->sche->mq_sche, pkt_mgr->sche->pkt_msg_id[stage], (on_msg_cb_func *)(void *)cb, arg);
} }
int packet_manager_init(struct packet_manager *pkt_mgr, uint16_t thread_id, struct mq_runtime *mq_rt) int packet_manager_init(struct packet_manager *pkt_mgr, uint16_t thread_id, struct mq_runtime *mq_rte)
{ {
assert(pkt_mgr); assert(pkt_mgr);
assert(thread_id < pkt_mgr->thread_num); assert(thread_id < pkt_mgr->thread_num);
assert(mq_rt); assert(mq_rte);
struct packet_manager_runtime *pkt_mgr_rt = packet_manager_runtime_new(mq_rt); pkt_mgr->rte[thread_id] = packet_manager_rte_new(mq_rte);
if (pkt_mgr_rt == NULL) if (pkt_mgr->rte[thread_id] == NULL)
{ {
PACKET_MANAGER_LOG_ERROR("failed to create packet_manager_runtime"); PACKET_MANAGER_LOG_ERROR("failed to create packet_manager_rte");
return -1; return -1;
} }
else else
{ {
pkt_mgr->runtime[thread_id] = pkt_mgr_rt;
return 0; return 0;
} }
} }
@@ -254,38 +296,35 @@ void packet_manager_clean(struct packet_manager *pkt_mgr, uint16_t thread_id)
assert(pkt_mgr); assert(pkt_mgr);
assert(thread_id < pkt_mgr->thread_num); assert(thread_id < pkt_mgr->thread_num);
struct packet_manager_runtime *pkt_mgr_rt = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
PACKET_MANAGER_LOG_INFO("runtime: %p, idx: %d, will be cleaned", pkt_mgr_rt, thread_id); packet_manager_rte_free(pkt_mgr_rte);
packet_manager_print_stat(pkt_mgr, thread_id); pkt_mgr_rte = NULL;
packet_manager_runtime_free(pkt_mgr_rt);
pkt_mgr_rt = NULL;
} }
void packet_manager_ingress(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt) void packet_manager_ingress(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt)
{ {
struct packet_manager_runtime *runtime = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
struct exdata_runtime *ex_rte = exdata_runtime_new(pkt_mgr->sche->ex_sche);
packet_set_user_data(pkt, ex_rte);
struct exdata_runtime *exdata_rt = exdata_runtime_new(pkt_mgr->schema->exdata); pkt_mgr_rte->stat.pkts_ingress++;
packet_set_user_data(pkt, exdata_rt); pkt_mgr_rte->stat.queue[PACKET_STAGE_PREROUTING].pkts_in++;
TAILQ_INSERT_TAIL(&pkt_mgr_rte->queue[PACKET_STAGE_PREROUTING], pkt, stage_tqe);
runtime->stat.total.pkts_ingress++;
runtime->stat.queue[PACKET_STAGE_PREROUTING].pkts_in++;
TAILQ_INSERT_TAIL(&runtime->queue[PACKET_STAGE_PREROUTING], pkt, stage_tqe);
} }
struct packet *packet_manager_egress(struct packet_manager *pkt_mgr, uint16_t thread_id) struct packet *packet_manager_egress(struct packet_manager *pkt_mgr, uint16_t thread_id)
{ {
struct packet_manager_runtime *runtime = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
struct packet *pkt = TAILQ_FIRST(&pkt_mgr_rte->queue[PACKET_STAGE_MAX]);
struct packet *pkt = TAILQ_FIRST(&runtime->queue[PACKET_STAGE_MAX]);
if (pkt) if (pkt)
{ {
runtime->stat.total.pkts_egress++; pkt_mgr_rte->stat.pkts_egress++;
runtime->stat.queue[PACKET_STAGE_MAX].pkts_out++; pkt_mgr_rte->stat.queue[PACKET_STAGE_MAX].pkts_out++;
TAILQ_REMOVE(&runtime->queue[PACKET_STAGE_MAX], pkt, stage_tqe); TAILQ_REMOVE(&pkt_mgr_rte->queue[PACKET_STAGE_MAX], pkt, stage_tqe);
struct exdata_runtime *exdata_rt = packet_get_user_data(pkt); struct exdata_runtime *ex_rte = packet_get_user_data(pkt);
exdata_runtime_free(exdata_rt); exdata_runtime_free(ex_rte);
return pkt; return pkt;
} }
else else
@@ -296,45 +335,45 @@ struct packet *packet_manager_egress(struct packet_manager *pkt_mgr, uint16_t th
void packet_manager_dispatch(struct packet_manager *pkt_mgr, uint16_t thread_id) void packet_manager_dispatch(struct packet_manager *pkt_mgr, uint16_t thread_id)
{ {
struct packet_manager_runtime *runtime = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
for (int i = 0; i < PACKET_STAGE_MAX; i++) for (int i = 0; i < PACKET_STAGE_MAX; i++)
{ {
runtime->curr_stage = i; pkt_mgr_rte->curr_stage = i;
struct packet *pkt = NULL; struct packet *pkt = NULL;
while ((pkt = TAILQ_FIRST(&runtime->queue[runtime->curr_stage]))) while ((pkt = TAILQ_FIRST(&pkt_mgr_rte->queue[pkt_mgr_rte->curr_stage])))
{ {
packet_set_claim(pkt, false); packet_set_claim(pkt, false);
runtime->claim_cb = NULL; pkt_mgr_rte->claim_cb = NULL;
runtime->claim_arg = NULL; pkt_mgr_rte->claim_arg = NULL;
TAILQ_REMOVE(&runtime->queue[runtime->curr_stage], pkt, stage_tqe); TAILQ_REMOVE(&pkt_mgr_rte->queue[pkt_mgr_rte->curr_stage], pkt, stage_tqe);
runtime->stat.queue[runtime->curr_stage].pkts_out++; pkt_mgr_rte->stat.queue[pkt_mgr_rte->curr_stage].pkts_out++;
mq_runtime_publish_message(runtime->mq, runtime->curr_stage, pkt); mq_runtime_publish_message(pkt_mgr_rte->mq_rte, pkt_mgr_rte->curr_stage, pkt);
mq_runtime_dispatch(runtime->mq); mq_runtime_dispatch(pkt_mgr_rte->mq_rte);
if (packet_is_claim(pkt)) if (packet_is_claim(pkt))
{ {
if (runtime->claim_cb) if (pkt_mgr_rte->claim_cb)
{ {
runtime->claim_cb(pkt, runtime->claim_arg); pkt_mgr_rte->claim_cb(pkt, pkt_mgr_rte->claim_arg);
} }
continue; continue;
} }
TAILQ_INSERT_TAIL(&runtime->queue[runtime->curr_stage + 1], pkt, stage_tqe); TAILQ_INSERT_TAIL(&pkt_mgr_rte->queue[pkt_mgr_rte->curr_stage + 1], pkt, stage_tqe);
runtime->stat.queue[runtime->curr_stage + 1].pkts_in++; pkt_mgr_rte->stat.queue[pkt_mgr_rte->curr_stage + 1].pkts_in++;
} }
} }
runtime->curr_stage = -1; pkt_mgr_rte->curr_stage = -1;
} }
int packet_manager_claim_packet(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt, on_packet_claimed_callback cb, void *arg) int packet_manager_claim_packet(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt, on_packet_claimed_callback cb, void *arg)
{ {
assert(pkt_mgr); assert(pkt_mgr);
struct packet_manager_runtime *runtime = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
if (packet_is_claim(pkt)) if (packet_is_claim(pkt))
{ {
@@ -343,10 +382,10 @@ int packet_manager_claim_packet(struct packet_manager *pkt_mgr, uint16_t thread_
} }
else else
{ {
runtime->claim_cb = cb; pkt_mgr_rte->claim_cb = cb;
runtime->claim_arg = arg; pkt_mgr_rte->claim_arg = arg;
packet_set_claim(pkt, true); packet_set_claim(pkt, true);
runtime->stat.queue[runtime->curr_stage].pkts_claim++; pkt_mgr_rte->stat.queue[pkt_mgr_rte->curr_stage].pkts_claim++;
return 0; return 0;
} }
} }
@@ -354,7 +393,7 @@ int packet_manager_claim_packet(struct packet_manager *pkt_mgr, uint16_t thread_
void packet_manager_schedule_packet(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt, enum packet_stage stage) void packet_manager_schedule_packet(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt, enum packet_stage stage)
{ {
assert(pkt_mgr); assert(pkt_mgr);
struct packet_manager_runtime *runtime = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
if (stage >= PACKET_STAGE_MAX) if (stage >= PACKET_STAGE_MAX)
{ {
@@ -363,33 +402,33 @@ void packet_manager_schedule_packet(struct packet_manager *pkt_mgr, uint16_t thr
return; return;
} }
runtime->stat.queue[stage].pkts_schedule++; pkt_mgr_rte->stat.queue[stage].pkts_schedule++;
runtime->stat.queue[stage].pkts_in++; pkt_mgr_rte->stat.queue[stage].pkts_in++;
TAILQ_INSERT_TAIL(&runtime->queue[stage], pkt, stage_tqe); TAILQ_INSERT_TAIL(&pkt_mgr_rte->queue[stage], pkt, stage_tqe);
} }
struct packet_manager_stat *packet_manager_get_stat(struct packet_manager *pkt_mgr, uint16_t thread_id) struct packet_manager_stat *packet_manager_get_stat(struct packet_manager *pkt_mgr, uint16_t thread_id)
{ {
struct packet_manager_runtime *runtime = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
return &runtime->stat; return &pkt_mgr_rte->stat;
} }
void packet_manager_print_stat(struct packet_manager *pkt_mgr, uint16_t thread_id) void packet_manager_print_stat(struct packet_manager *pkt_mgr, uint16_t thread_id)
{ {
struct packet_manager_runtime *runtime = pkt_mgr->runtime[thread_id]; struct packet_manager_rte *pkt_mgr_rte = pkt_mgr->rte[thread_id];
PACKET_MANAGER_LOG_INFO("runtime: %p, pkts_ingress: %lu, pkts_egress: %lu", PACKET_MANAGER_LOG_INFO("runtime: %p, pkts_ingress: %lu, pkts_egress: %lu",
runtime, runtime->stat.total.pkts_ingress, pkt_mgr_rte, pkt_mgr_rte->stat.pkts_ingress,
runtime->stat.total.pkts_egress); pkt_mgr_rte->stat.pkts_egress);
for (int i = 0; i < PACKET_QUEUE_MAX; i++) for (int i = 0; i < PACKET_QUEUE_MAX; i++)
{ {
PACKET_MANAGER_LOG_INFO("runtime: %p, %-24s stat => pkts_in: %lu, pkts_out: %lu, pkts_claim: %lu, pkts_schedule: %lu", PACKET_MANAGER_LOG_INFO("runtime: %p, %-24s stat => pkts_in: %lu, pkts_out: %lu, pkts_claim: %lu, pkts_schedule: %lu",
runtime, pkt_mgr_rte,
packet_stage_to_str(i), packet_stage_to_str(i),
runtime->stat.queue[i].pkts_in, pkt_mgr_rte->stat.queue[i].pkts_in,
runtime->stat.queue[i].pkts_out, pkt_mgr_rte->stat.queue[i].pkts_out,
runtime->stat.queue[i].pkts_claim, pkt_mgr_rte->stat.queue[i].pkts_claim,
runtime->stat.queue[i].pkts_schedule); pkt_mgr_rte->stat.queue[i].pkts_schedule);
} }
} }
@@ -397,6 +436,27 @@ void packet_manager_print_stat(struct packet_manager *pkt_mgr, uint16_t thread_i
* packet manager module * packet manager module
******************************************************************************/ ******************************************************************************/
static void on_polling(struct stellar_module_manager *mod_mgr, void *args)
{
uint64_t now_ms = clock_get_real_time_ms();
int thread_id = stellar_module_manager_get_thread_id(mod_mgr);
struct packet_manager *pkt_mgr = (struct packet_manager *)args;
static __thread uint64_t last_sync_stat_ms = 0;
static __thread struct packet_manager_stat pkt_mgr_last_stat = {0};
if (now_ms - last_sync_stat_ms >= SYNC_STAT_INTERVAL_MS)
{
struct packet_manager_stat *pkt_mgr_curr_stat = &pkt_mgr->rte[thread_id]->stat;
for (int i = 0; i < PKT_MGR_STAT_MAX; i++)
{
uint64_t val = packet_manager_stat_get(pkt_mgr_curr_stat, i) - packet_manager_stat_get(&pkt_mgr_last_stat, i);
fieldstat_easy_counter_incrby(pkt_mgr->fs, thread_id, pkt_mgr->pkt_mgr_fs_idx[i], NULL, 0, val);
}
pkt_mgr_last_stat = *pkt_mgr_curr_stat;
last_sync_stat_ms = now_ms;
}
}
struct packet_manager *stellar_module_get_packet_manager(struct stellar_module_manager *mod_mgr) struct packet_manager *stellar_module_get_packet_manager(struct stellar_module_manager *mod_mgr)
{ {
assert(mod_mgr); assert(mod_mgr);
@@ -411,15 +471,16 @@ struct packet_manager *stellar_module_get_packet_manager(struct stellar_module_m
struct stellar_module *packet_manager_on_init(struct stellar_module_manager *mod_mgr) struct stellar_module *packet_manager_on_init(struct stellar_module_manager *mod_mgr)
{ {
assert(mod_mgr); assert(mod_mgr);
struct mq_schema *mq_schema = stellar_module_manager_get_mq_schema(mod_mgr); struct mq_schema *mq_sche = stellar_module_manager_get_mq_schema(mod_mgr);
assert(mq_schema); assert(mq_sche);
uint16_t thread_num = stellar_module_manager_get_max_thread_num(mod_mgr); uint16_t thread_num = stellar_module_manager_get_max_thread_num(mod_mgr);
struct packet_manager *pkt_mgr = packet_manager_new(mq_schema, thread_num); struct packet_manager *pkt_mgr = packet_manager_new(mq_sche, thread_num);
if (pkt_mgr == NULL) if (pkt_mgr == NULL)
{ {
return NULL; return NULL;
} }
stellar_module_manager_polling_subscribe(mod_mgr, on_polling, pkt_mgr);
struct stellar_module *pkt_mgr_mod = stellar_module_new(PACKET_MANAGER_MODULE_NAME, NULL); struct stellar_module *pkt_mgr_mod = stellar_module_new(PACKET_MANAGER_MODULE_NAME, NULL);
if (pkt_mgr_mod == NULL) if (pkt_mgr_mod == NULL)
@@ -450,11 +511,11 @@ struct stellar_module *packet_manager_on_thread_init(struct stellar_module_manag
{ {
struct packet_manager *pkt_mgr = stellar_module_get_ctx(mod); struct packet_manager *pkt_mgr = stellar_module_get_ctx(mod);
assert(pkt_mgr); assert(pkt_mgr);
struct mq_runtime *mq_rt = stellar_module_manager_get_mq_runtime(mod_mgr); struct mq_runtime *mq_rte = stellar_module_manager_get_mq_runtime(mod_mgr);
assert(mq_rt); assert(mq_rte);
assert(thread_id < pkt_mgr->thread_num); assert(thread_id < pkt_mgr->thread_num);
if (packet_manager_init(pkt_mgr, thread_id, mq_rt) != 0) if (packet_manager_init(pkt_mgr, thread_id, mq_rte) != 0)
{ {
PACKET_MANAGER_LOG_ERROR("failed to init packet_manager_init"); PACKET_MANAGER_LOG_ERROR("failed to init packet_manager_init");
return NULL; return NULL;

View File

@@ -11,12 +11,9 @@ extern "C"
#define PACKET_QUEUE_MAX (PACKET_STAGE_MAX + 1) #define PACKET_QUEUE_MAX (PACKET_STAGE_MAX + 1)
struct packet_manager_stat struct packet_manager_stat
{
struct
{ {
uint64_t pkts_ingress; uint64_t pkts_ingress;
uint64_t pkts_egress; uint64_t pkts_egress;
} total;
struct struct
{ {
uint64_t pkts_in; // include the packets that are scheduled uint64_t pkts_in; // include the packets that are scheduled
@@ -26,10 +23,55 @@ struct packet_manager_stat
} queue[PACKET_QUEUE_MAX]; // the last queue is for sending packets } queue[PACKET_QUEUE_MAX]; // the last queue is for sending packets
}; };
// XX(type, name, val)
#define PKT_MGR_STAT_MAP(XX) \
XX(PKT_MGR_STAT_PKTS_INGRESS, pkts_ingress, pkts_ingress) \
XX(PKT_MGR_STAT_PKTS_EGRESS, pkts_egress, pkts_egress) \
/* PREROUTING */ \
XX(PKT_MGR_STAT_PKTS_IN_ON_PREROUTING, pkts_in_on_prerouting, queue[PACKET_STAGE_PREROUTING].pkts_in) \
XX(PKT_MGR_STAT_PKTS_OUT_ON_PREROUTING, pkts_out_on_prerouting, queue[PACKET_STAGE_PREROUTING].pkts_out) \
XX(PKT_MGR_STAT_PKTS_CLAIM_ON_PREROUTING, pkts_claim_on_prerouting, queue[PACKET_STAGE_PREROUTING].pkts_claim) \
XX(PKT_MGR_STAT_PKTS_SCHEDULE_ON_PREROUTING, pkts_schedule_on_prerouting, queue[PACKET_STAGE_PREROUTING].pkts_schedule) \
/* INPUT */ \
XX(PKT_MGR_STAT_PKTS_IN_ON_INPUT, pkts_in_on_input, queue[PACKET_STAGE_INPUT].pkts_in) \
XX(PKT_MGR_STAT_PKTS_OUT_ON_INPUT, pkts_out_on_input, queue[PACKET_STAGE_INPUT].pkts_out) \
XX(PKT_MGR_STAT_PKTS_CLAIM_ON_INPUT, pkts_claim_on_input, queue[PACKET_STAGE_INPUT].pkts_claim) \
XX(PKT_MGR_STAT_PKTS_SCHEDULE_ON_INPUT, pkts_schedule_on_input, queue[PACKET_STAGE_INPUT].pkts_schedule) \
/* FORWARD */ \
XX(PKT_MGR_STAT_PKTS_IN_ON_FORWARD, pkts_in_on_forward, queue[PACKET_STAGE_FORWARD].pkts_in) \
XX(PKT_MGR_STAT_PKTS_OUT_ON_FORWARD, pkts_out_on_forward, queue[PACKET_STAGE_FORWARD].pkts_out) \
XX(PKT_MGR_STAT_PKTS_CLAIM_ON_FORWARD, pkts_claim_on_forward, queue[PACKET_STAGE_FORWARD].pkts_claim) \
XX(PKT_MGR_STAT_PKTS_SCHEDULE_ON_FORWARD, pkts_schedule_on_forward, queue[PACKET_STAGE_FORWARD].pkts_schedule) \
/* OUTPUT */ \
XX(PKT_MGR_STAT_PKTS_IN_ON_OUTPUT, pkts_in_on_output, queue[PACKET_STAGE_OUTPUT].pkts_in) \
XX(PKT_MGR_STAT_PKTS_OUT_ON_OUTPUT, pkts_out_on_output, queue[PACKET_STAGE_OUTPUT].pkts_out) \
XX(PKT_MGR_STAT_PKTS_CLAIM_ON_OUTPUT, pkts_claim_on_output, queue[PACKET_STAGE_OUTPUT].pkts_claim) \
XX(PKT_MGR_STAT_PKTS_SCHEDULE_ON_OUTPUT, pkts_schedule_on_output, queue[PACKET_STAGE_OUTPUT].pkts_schedule) \
/* POSTROUTING */ \
XX(PKT_MGR_STAT_PKTS_IN_ON_POSTROUTING, pkts_in_on_postrouting, queue[PACKET_STAGE_POSTROUTING].pkts_in) \
XX(PKT_MGR_STAT_PKTS_OUT_ON_POSTROUTING, pkts_out_on_postrouting, queue[PACKET_STAGE_POSTROUTING].pkts_out) \
XX(PKT_MGR_STAT_PKTS_CLAIM_ON_POSTROUTING, pkts_claim_on_postrouting, queue[PACKET_STAGE_POSTROUTING].pkts_claim) \
XX(PKT_MGR_STAT_PKTS_SCHEDULE_ON_POSTROUTING, pkts_schedule_on_postrouting, queue[PACKET_STAGE_POSTROUTING].pkts_schedule)
enum pkt_mgr_stat_type
{
#define XX(type, name, val) type,
PKT_MGR_STAT_MAP(XX)
#undef XX
PKT_MGR_STAT_MAX
};
__attribute__((unused)) static const char pkt_mgr_stat_str[PKT_MGR_STAT_MAX][64] =
{
#define XX(type, name, val) #name,
PKT_MGR_STAT_MAP(XX)
#undef XX
};
struct packet_manager *packet_manager_new(struct mq_schema *mq_schema, uint16_t thread_num); struct packet_manager *packet_manager_new(struct mq_schema *mq_schema, uint16_t thread_num);
void packet_manager_free(struct packet_manager *pkt_mgr); void packet_manager_free(struct packet_manager *pkt_mgr);
int packet_manager_init(struct packet_manager *pkt_mgr, uint16_t thread_id, struct mq_runtime *mq_rt); int packet_manager_init(struct packet_manager *pkt_mgr, uint16_t thread_id, struct mq_runtime *mq_rte);
void packet_manager_clean(struct packet_manager *pkt_mgr, uint16_t thread_id); void packet_manager_clean(struct packet_manager *pkt_mgr, uint16_t thread_id);
void packet_manager_ingress(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt); void packet_manager_ingress(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt);
struct packet *packet_manager_egress(struct packet_manager *pkt_mgr, uint16_t thread_id); struct packet *packet_manager_egress(struct packet_manager *pkt_mgr, uint16_t thread_id);
@@ -39,6 +81,8 @@ void packet_manager_print_stat(struct packet_manager *pkt_mgr, uint16_t thread_i
const char *packet_stage_to_str(enum packet_stage stage); const char *packet_stage_to_str(enum packet_stage stage);
uint64_t packet_manager_stat_get(struct packet_manager_stat *stat, enum pkt_mgr_stat_type type);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

View File

@@ -71,8 +71,8 @@ static struct packet_manager_stat init_stat = {};
static void check_stat(struct packet_manager_stat *curr_stat, struct packet_manager_stat *expect_stat) static void check_stat(struct packet_manager_stat *curr_stat, struct packet_manager_stat *expect_stat)
{ {
EXPECT_TRUE(curr_stat->total.pkts_ingress == expect_stat->total.pkts_ingress); EXPECT_TRUE(curr_stat->pkts_ingress == expect_stat->pkts_ingress);
EXPECT_TRUE(curr_stat->total.pkts_egress == expect_stat->total.pkts_egress); EXPECT_TRUE(curr_stat->pkts_egress == expect_stat->pkts_egress);
for (int i = 0; i < PACKET_QUEUE_MAX; i++) for (int i = 0; i < PACKET_QUEUE_MAX; i++)
{ {
@@ -143,7 +143,8 @@ TEST(PACKET_MANAGER, SUBSCRIBER_PACKET_STAGE)
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt); EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL); EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL);
struct packet_manager_stat expect_stat = { struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 1}, .pkts_ingress = 1,
.pkts_egress = 1,
.queue = { .queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0}, [PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0}, [PACKET_STAGE_INPUT] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
@@ -246,7 +247,8 @@ TEST(PACKET_MANAGER, CLAIM_PACKET)
packet_manager_dispatch(pkt_mgr, thread_id); packet_manager_dispatch(pkt_mgr, thread_id);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL); EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL);
struct packet_manager_stat expect_stat = { struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 0}, .pkts_ingress = 1,
.pkts_egress = 0,
.queue = { .queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 1, .pkts_schedule = 0}, [PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 1, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0}, [PACKET_STAGE_INPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
@@ -329,7 +331,8 @@ TEST(PACKET_MANAGER, SCHEDULE_PACKET)
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt); EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL); EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL);
struct packet_manager_stat expect_stat = { struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 5}, .pkts_ingress = 1,
.pkts_egress = 5,
.queue = { .queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0}, [PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 2, .pkts_out = 2, .pkts_claim = 0, .pkts_schedule = 1}, [PACKET_STAGE_INPUT] = {.pkts_in = 2, .pkts_out = 2, .pkts_claim = 0, .pkts_schedule = 1},
@@ -423,7 +426,8 @@ TEST(PACKET_MANAGER, SCHEDULE_CLAIMED_PACKET)
packet_manager_dispatch(pkt_mgr, thread_id); packet_manager_dispatch(pkt_mgr, thread_id);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt); EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt);
struct packet_manager_stat expect_stat = { struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 1}, .pkts_ingress = 1,
.pkts_egress = 1,
.queue = { .queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 1, .pkts_schedule = 0}, [PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 1, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0}, [PACKET_STAGE_INPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},

View File

@@ -8,7 +8,6 @@
#include "session_manager_stat.h" #include "session_manager_stat.h"
#include "fieldstat/fieldstat_easy.h" #include "fieldstat/fieldstat_easy.h"
#define SYNC_STAT_INTERVAL_MS 1000
#define CLEAN_SESSION_BURST 1024 #define CLEAN_SESSION_BURST 1024
#define SESSION_MANAGER_MODULE_NAME "session_manager_module" #define SESSION_MANAGER_MODULE_NAME "session_manager_module"
@@ -516,16 +515,6 @@ void session_manager_clean(struct session_manager *sess_mgr, uint16_t thread_id)
mq_runtime_dispatch(mq_rte); mq_runtime_dispatch(mq_rte);
} }
<<<<<<< HEAD
=======
// flush stat before free
for (int i = 0; i < SESS_MGR_STAT_MAX; i++)
{
uint64_t val = session_manager_stat_get(stat, i);
fieldstat_easy_counter_set(sess_mgr->fs, thread_id, sess_mgr->stat_idx[i], NULL, 0, val);
}
>>>>>>> 29ffae8 (packet IO support output fieldstat)
session_manager_rte_free(sess_mgr->rte[thread_id]); session_manager_rte_free(sess_mgr->rte[thread_id]);
sess_mgr->rte[thread_id] = NULL; sess_mgr->rte[thread_id] = NULL;
} }
@@ -550,16 +539,12 @@ struct stellar_module *session_manager_on_init(struct stellar_module_manager *mo
assert(mod_mgr); assert(mod_mgr);
struct packet_manager *pkt_mgr = stellar_module_get_packet_manager(mod_mgr); struct packet_manager *pkt_mgr = stellar_module_get_packet_manager(mod_mgr);
assert(pkt_mgr); assert(pkt_mgr);
struct mq_schema *mq_schema = stellar_module_manager_get_mq_schema(mod_mgr); struct mq_schema *mq_sche = stellar_module_manager_get_mq_schema(mod_mgr);
assert(mq_schema); assert(mq_sche);
const char *toml_file = stellar_module_manager_get_toml_path(mod_mgr); const char *toml_file = stellar_module_manager_get_toml_path(mod_mgr);
assert(toml_file); assert(toml_file);
<<<<<<< HEAD
struct session_manager *sess_mgr = session_manager_new(mod_mgr, pkt_mgr, mq_schema, toml_file);
=======
struct session_manager *sess_mgr = session_manager_new(pkt_mgr, mq_sche, toml_file); struct session_manager *sess_mgr = session_manager_new(pkt_mgr, mq_sche, toml_file);
>>>>>>> 6e4d813 (bugfix sess)
if (sess_mgr == NULL) if (sess_mgr == NULL)
{ {
return NULL; return NULL;

View File

@@ -84,9 +84,10 @@ static void *worker_thread(void *arg)
packet_io_send(pkt_io, thread_id, &pkt, 1); packet_io_send(pkt_io, thread_id, &pkt, 1);
} }
} }
packet_io_clean(pkt_io, thread_id);
stellar_polling_dispatch(mod_mgr); stellar_polling_dispatch(mod_mgr);
packet_io_clean(pkt_io, thread_id);
if (nr_recv == 0) if (nr_recv == 0)
{ {
packet_io_yield(pkt_io, thread_id); packet_io_yield(pkt_io, thread_id);

View File

@@ -17,6 +17,7 @@ extern "C"
#define RX_BURST_MAX 32 #define RX_BURST_MAX 32
#define MAX_THREAD_NUM 256 // limit by snowflake #define MAX_THREAD_NUM 256 // limit by snowflake
#define SYNC_STAT_INTERVAL_MS 1000
#define ATOMIC_INC(x) __atomic_fetch_add(x, 1, __ATOMIC_RELAXED) #define ATOMIC_INC(x) __atomic_fetch_add(x, 1, __ATOMIC_RELAXED)
#define ATOMIC_DEC(x) __atomic_fetch_sub(x, 1, __ATOMIC_RELAXED) #define ATOMIC_DEC(x) __atomic_fetch_sub(x, 1, __ATOMIC_RELAXED)