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Subject: cec-compliance: further improvements to CEC_EVENT_LOST_MSGS fail info Author: Hans Verkuil <hverk...@xs4all.nl> Date: Wed Oct 10 18:46:48 2018 +0200 Show the number of messages that can be immediately dequeued from the receive queue, and how many messages trickle in afterwards and over how many seconds. Signed-off-by: Hans Verkuil <hverk...@xs4all.nl> utils/cec-compliance/cec-test-adapter.cpp | 50 ++++++++++++++++++------------- 1 file changed, 30 insertions(+), 20 deletions(-) --- http://git.linuxtv.org/cgit.cgi/v4l-utils.git/commit/?id=9d7d01f24b5e8ac73fbed783cffd5c0f5f6e8a87 diff --git a/utils/cec-compliance/cec-test-adapter.cpp b/utils/cec-compliance/cec-test-adapter.cpp index 6a8ce90947e0..2cf0447cb234 100644 --- a/utils/cec-compliance/cec-test-adapter.cpp +++ b/utils/cec-compliance/cec-test-adapter.cpp @@ -1026,6 +1026,7 @@ int testLostMsgs(struct node *node) fail_on_test(tx_queue_depth == 0 || tx_queue_depth > 19); unsigned pending_msgs = 0; + unsigned pending_quick_msgs = 0; unsigned pending_tx_ok_msgs = 0; unsigned pending_tx_timed_out_msgs = 0; unsigned pending_tx_arb_lost_msgs = 0; @@ -1033,26 +1034,31 @@ int testLostMsgs(struct node *node) unsigned pending_tx_low_drive_msgs = 0; unsigned pending_tx_error_msgs = 0; unsigned pending_rx_msgs = 0; - - fcntl(node->fd, F_SETFL, fcntl(node->fd, F_GETFL) & ~O_NONBLOCK); - msg.timeout = 3000; - - while (!doioctl(node, CEC_RECEIVE, &msg)) { - pending_msgs++; - if (!msg.sequence) - pending_rx_msgs++; - else if (msg.tx_status & CEC_TX_STATUS_TIMEOUT) - pending_tx_timed_out_msgs++; - else if (msg.tx_status & CEC_TX_STATUS_OK) - pending_tx_ok_msgs++; - else if (msg.tx_status & CEC_TX_STATUS_NACK) - pending_tx_nack_msgs++; - else if (msg.tx_status & CEC_TX_STATUS_ARB_LOST) - pending_tx_arb_lost_msgs++; - else if (msg.tx_status & CEC_TX_STATUS_LOW_DRIVE) - pending_tx_low_drive_msgs++; - else - pending_tx_error_msgs++; + time_t start = time(NULL); + + for (unsigned i = 0; i < 2; i++) { + msg.timeout = 3000; + + while (!doioctl(node, CEC_RECEIVE, &msg)) { + pending_msgs++; + if (i == 0) + pending_quick_msgs++; + if (!msg.sequence) + pending_rx_msgs++; + else if (msg.tx_status & CEC_TX_STATUS_TIMEOUT) + pending_tx_timed_out_msgs++; + else if (msg.tx_status & CEC_TX_STATUS_OK) + pending_tx_ok_msgs++; + else if (msg.tx_status & CEC_TX_STATUS_NACK) + pending_tx_nack_msgs++; + else if (msg.tx_status & CEC_TX_STATUS_ARB_LOST) + pending_tx_arb_lost_msgs++; + else if (msg.tx_status & CEC_TX_STATUS_LOW_DRIVE) + pending_tx_low_drive_msgs++; + else + pending_tx_error_msgs++; + } + fcntl(node->fd, F_SETFL, fcntl(node->fd, F_GETFL) & ~O_NONBLOCK); } /* @@ -1076,6 +1082,10 @@ int testLostMsgs(struct node *node) printf("\t\tError transmits: %d\n", pending_tx_error_msgs); if (pending_rx_msgs) printf("\t\tReceived messages: %d\n", pending_rx_msgs); + if (pending_quick_msgs < pending_msgs) + printf("\t\tReceived %d messages immediately, and %d over %ld seconds\n", + pending_quick_msgs, pending_msgs - pending_quick_msgs, + time(NULL) - start); return fail("There were %d messages in the receive queue for %d transmits\n", pending_msgs, xfer_cnt); } _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
