[dpdk-dev] [PATCH] app/testpmd: fix stats period can't quit normally in container

[Phil Yang <phil.yang@arm.com>]

While running testpmd in container with stats-period option, it can't
quit normally after received SIGINT.

Signed-off-by: Phil Yang <phil.yang@arm.com>
---
 app/test-pmd/testpmd.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index e097ee0..d94c63b 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -183,6 +183,7 @@ 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) */
+uint8_t  f_quit; /* Receive LSC INTERRUPTION to stop show statistics periodically */
 /*
  * Configuration of packet segments used by the "txonly" processing engine.
  */
@@ -2285,6 +2286,8 @@ init_port(void)
 static void
 force_quit(void)
 {
+	f_quit = 1;
+
 	pmd_test_exit();
 	prompt_exit();
 }
@@ -2441,10 +2444,13 @@ main(int argc, char** argv)
 			uint64_t prev_time = 0, cur_time, diff_time = 0;
 			uint64_t timer_period;
 
+			/* Receive LSC interrupt to stop showing statistics period */
+			f_quit = 0;
+
 			/* Convert to number of cycles */
 			timer_period = stats_period * rte_get_timer_hz();
 
-			while (1) {
+			while (!f_quit) {
 				cur_time = rte_get_timer_cycles();
 				diff_time += cur_time - prev_time;
 
-- 
2.7.4