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Use ff_global_cfg.dpdk.pkt_tx_delay to delay ff_handle_each_context to 

improve the performance of nginx.
This commit is contained in:
fengbojiang 2023-04-28 12:26:11 +08:00
parent 1b25a84cc6
commit 3d3266071c
1 changed files with 23 additions and 4 deletions
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27
adapter/ff_socket_ops.c
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@ -5,6 +5,7 @@
#include "ff_sysproto.h"
#include "ff_api.h"
#include "ff_epoll.h"
#include "ff_config.h"
#undef FF_SYSCALL_DECL
#define FF_SYSCALL_DECL(ret, fn, none) \
@ -24,7 +25,7 @@ static int sem_flag = 0;
*/
#define EVENT_LOOP_TIMES 32
static int ff_event_loop_nb = 0;
static int ff_next_event_flag = 0;
//static int ff_next_event_flag = 0;
struct ff_bound_info {
int fd;
@ -452,7 +453,7 @@ ff_handle_socket_ops(struct ff_so_context *sc)
DEBUG_LOG("ff_handle_socket_ops error:%d, ops:%d, result:%d\n", errno, sc->ops, sc->result);
if (sc->ops == FF_SO_EPOLL_WAIT || sc->ops == FF_SO_KEVENT) {
DEBUG_LOG("ff_event_loop_nb:%d, ff_next_event_flag:%d\n",
/*DEBUG_LOG("ff_event_loop_nb:%d, ff_next_event_flag:%d\n",
ff_event_loop_nb, ff_next_event_flag);
if (ff_event_loop_nb > 0) {
ff_next_event_flag = 1;
@ -464,7 +465,7 @@ ff_handle_socket_ops(struct ff_so_context *sc)
ff_event_loop_nb = (sc->result * EVENT_LOOP_TIMES);
} else {
ff_event_loop_nb = 0;
}
}*/
if (sem_flag == 1) {
sc->status = FF_SC_REP;
@ -484,9 +485,18 @@ ff_handle_each_context()
{
uint16_t i, nb_handled, tmp;
static uint64_t loop_count = 0;
static uint64_t cur_tsc, diff_tsc, drain_tsc = 0;
if (unlikely(drain_tsc == 0 && ff_global_cfg.dpdk.pkt_tx_delay)) {
drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * ff_global_cfg.dpdk.pkt_tx_delay;
ERR_LOG("ff_global_cfg.dpdk.handle_sc_delay%d, drain_tsc:%lu\n",
ff_global_cfg.dpdk.pkt_tx_delay, drain_tsc);
}
ff_event_loop_nb = 0;
cur_tsc = rte_rdtsc();
rte_spinlock_lock(&ff_so_zone->lock);
assert(ff_so_zone->count >= ff_so_zone->free);
@ -520,7 +530,12 @@ ff_handle_each_context()
}
}
if (--ff_event_loop_nb <= 0 || ff_next_event_flag == 1) {
/*if (--ff_event_loop_nb <= 0 || ff_next_event_flag == 1) {
break;
}*/
diff_tsc = rte_rdtsc() - cur_tsc;
DEBUG_LOG("cur_tsc:%lu, diff_tsc:%lu, drain_tsc:%lu\n", cur_tsc, diff_tsc, drain_tsc);
if (diff_tsc >= drain_tsc) {
break;
}
@ -530,5 +545,9 @@ ff_handle_each_context()
rte_spinlock_unlock(&ff_so_zone->lock);
loop_count++;
DEBUG_LOG("loop_count:%lu, nb:%d, all_nb:%d\n",
loop_count, nb_handled, tmp/*, ff_event_loop_nb, ff_next_event_flag*/);
//, ff_event_loop_nb:%d, ff_next_event_flag:%d
}