In container, the process cannot be terminated by SIGINT/SIGTERM when
execute with 'stats-period' option.
Fixed by adding a flag to exit stats period loop after received either
SIGINT or SIGTERM.

Signed-off-by: Phil Yang <phil.y...@arm.com>
---
 app/test-pmd/testpmd.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index e097ee0..3ccc9ba 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -183,6 +183,13 @@ uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< 
Mbuf data space size. */
 uint32_t param_total_num_mbufs = 0;  /**< number of mbufs in all pools - if
                                       * specified on command-line. */
 uint16_t stats_period; /**< Period to show statistics (disabled by default) */
+
+/*
+ * In container, it cannot terminate the process which running with 
'stats-period'
+ * option. Set flag to exit stats period loop after received SIGINT/SIGTERM.
+ */
+uint8_t f_quit;
+
 /*
  * Configuration of packet segments used by the "txonly" processing engine.
  */
@@ -2318,6 +2325,8 @@ signal_handler(int signum)
                rte_latencystats_uninit();
 #endif
                force_quit();
+               /* Set flag to indicate the force termination. */
+               f_quit = 1;
                /* exit with the expected status */
                signal(signum, SIG_DFL);
                kill(getpid(), signum);
@@ -2435,6 +2444,8 @@ main(int argc, char** argv)
                char c;
                int rc;
 
+               f_quit = 0;
+
                printf("No commandline core given, start packet forwarding\n");
                start_packet_forwarding(tx_first);
                if (stats_period != 0) {
@@ -2444,7 +2455,7 @@ main(int argc, char** argv)
                        /* Convert to number of cycles */
                        timer_period = stats_period * rte_get_timer_hz();
 
-                       while (1) {
+                       while (f_quit == 0) {
                                cur_time = rte_get_timer_cycles();
                                diff_time += cur_time - prev_time;
 
-- 
2.7.4

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