add the current time into the name
Signed-off-by: Congjie Zhou <zcjie0...@qq.com>
---
When multiple secondary processes run in different containers, names
identified by PIDs are not unique due to the pid namespace.
Add current time to redefine a unique name.
lib/eal/linux/eal_memalloc.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/lib/eal/linux/eal_memalloc.c b/lib/eal/linux/eal_memalloc.c
index e354efc..017bf67 100644
--- a/lib/eal/linux/eal_memalloc.c
+++ b/lib/eal/linux/eal_memalloc.c
@@ -16,6 +16,7 @@
#include <fcntl.h>
#include <signal.h>
#include <setjmp.h>
+#include <inttypes.h>
#ifdef F_ADD_SEALS /* if file sealing is supported, so is memfd */
#include <linux/memfd.h>
#define MEMFD_SUPPORTED
@@ -1430,6 +1431,17 @@ eal_memalloc_sync_with_primary(void)
return 0;
}
+static uint64_t
+current_time(void) {
+ struct timespec ts;
+ if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts) == -1) {
+ EAL_LOG(ERR, "Fail to get current time");
+ return -1ULL;
+ }
+ uint64_t time_ns = (uint64_t)ts.tv_sec * 1000000000ULL + ts.tv_nsec;
+ return time_ns;
+}
+
static int
secondary_msl_create_walk(const struct rte_memseg_list *msl,
void *arg __rte_unused)
@@ -1447,8 +1459,8 @@ secondary_msl_create_walk(const struct rte_memseg_list
*msl,
local_msl = &local_memsegs[msl_idx];
/* create distinct fbarrays for each secondary */
- snprintf(name, RTE_FBARRAY_NAME_LEN, "%s_%i",
- primary_msl->memseg_arr.name, getpid());
+ snprintf(name, RTE_FBARRAY_NAME_LEN, "%s_%i_%"PRIx64,
+ primary_msl->memseg_arr.name, getpid(), current_time());
ret = rte_fbarray_init(&local_msl->memseg_arr, name,
primary_msl->memseg_arr.len,
--
2.34.1
