ipvs: improve performance of local addr selection by replacing glibc …

…random with rte_rand Signed-off-by: ywc689 <[email protected]>
iqiyi · Apr 30, 2024 · e19269d · e19269d
1 parent efc101b
commit e19269d
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/src/ipvs/ip_vs_laddr.c b/src/ipvs/ip_vs_laddr.c
@@ -118,7 +118,7 @@ static inline int __laddr_step(struct dp_vs_service *svc)
     * */
     if (strncmp(svc->scheduler->name, "rr", 2) == 0 ||
             strncmp(svc->scheduler->name, "wrr", 3) == 0)
-        return (random() % 100) < 5 ? 2 : 1;
+        return rte_rand_max(100) < 5 ? 2 : 1;
 
     return 1;
 }

diff --git a/src/main.c b/src/main.c
@@ -311,6 +311,7 @@ int main(int argc, char *argv[])
 
     gettimeofday(&tv, NULL);
     srandom(tv.tv_sec ^ tv.tv_usec ^ getpid());
+    rte_srand((uint64_t)(tv.tv_sec ^ tv.tv_usec ^ getpid()));
     sys_start_time();
 
     if (get_numa_nodes() > DPVS_MAX_SOCKET) {