diff options
Diffstat (limited to 'lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp | 100 |
1 files changed, 68 insertions, 32 deletions
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp index aa60ec1b4a2..ff12b65ba64 100644 --- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp +++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp @@ -136,6 +136,11 @@ GDBRemoteCommunicationClient::HandshakeWithServer (Error *error_ptr) // a live connection to a remote GDB server... if (QueryNoAckModeSupported()) { +#if 0 + // Set above line to "#if 1" to test packet speed if remote GDB server + // supports the qSpeedTest packet... + TestPacketSpeed(10000); +#endif return true; } else @@ -2420,50 +2425,81 @@ GDBRemoteCommunicationClient::TestPacketSpeed (const uint32_t num_packets) uint32_t i; TimeValue start_time, end_time; uint64_t total_time_nsec; - float packets_per_second; if (SendSpeedTestPacket (0, 0)) { - for (uint32_t send_size = 0; send_size <= 1024; send_size *= 2) + static uint32_t g_send_sizes[] = { 0, 64, 128, 512, 1024 }; + static uint32_t g_recv_sizes[] = { 0, 64, 128, 512, 1024 }; //, 4*1024, 8*1024, 16*1024, 32*1024, 48*1024, 64*1024, 96*1024, 128*1024 }; + const size_t k_num_send_sizes = sizeof(g_send_sizes)/sizeof(uint32_t); + const size_t k_num_recv_sizes = sizeof(g_recv_sizes)/sizeof(uint32_t); + const uint64_t k_recv_amount = 4*1024*1024; // Receive 4MB + for (uint32_t send_idx = 0; send_idx < k_num_send_sizes; ++send_idx) { - for (uint32_t recv_size = 0; recv_size <= 1024; recv_size *= 2) + const uint32_t send_size = g_send_sizes[send_idx]; + for (uint32_t recv_idx = 0; recv_idx < k_num_recv_sizes; ++recv_idx) { + const uint32_t recv_size = g_recv_sizes[recv_idx]; + StreamString packet; + packet.Printf ("qSpeedTest:response_size:%i;data:", recv_size); + uint32_t bytes_left = send_size; + while (bytes_left > 0) + { + if (bytes_left >= 26) + { + packet.PutCString("abcdefghijklmnopqrstuvwxyz"); + bytes_left -= 26; + } + else + { + packet.Printf ("%*.*s;", bytes_left, bytes_left, "abcdefghijklmnopqrstuvwxyz"); + bytes_left = 0; + } + } + start_time = TimeValue::Now(); - for (i=0; i<num_packets; ++i) + if (recv_size == 0) { - SendSpeedTestPacket (send_size, recv_size); + for (i=0; i<num_packets; ++i) + { + StringExtractorGDBRemote response; + SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false); + } + } + else + { + uint32_t bytes_read = 0; + while (bytes_read < k_recv_amount) + { + StringExtractorGDBRemote response; + SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false); + bytes_read += recv_size; + } } end_time = TimeValue::Now(); total_time_nsec = end_time.GetAsNanoSecondsSinceJan1_1970() - start_time.GetAsNanoSecondsSinceJan1_1970(); - packets_per_second = (((float)num_packets)/(float)total_time_nsec) * (float)TimeValue::NanoSecPerSec; - printf ("%u qSpeedTest(send=%-5u, recv=%-5u) in %" PRIu64 ".%9.9" PRIu64 " sec for %f packets/sec.\n", - num_packets, - send_size, - recv_size, - total_time_nsec / TimeValue::NanoSecPerSec, - total_time_nsec % TimeValue::NanoSecPerSec, - packets_per_second); if (recv_size == 0) - recv_size = 32; + { + float packets_per_second = (((float)num_packets)/(float)total_time_nsec) * (float)TimeValue::NanoSecPerSec; + printf ("%u qSpeedTest(send=%-7u, recv=%-7u) in %" PRIu64 ".%9.9" PRIu64 " sec for %f packets/sec.\n", + num_packets, + send_size, + recv_size, + total_time_nsec / TimeValue::NanoSecPerSec, + total_time_nsec % TimeValue::NanoSecPerSec, + packets_per_second); + } + else + { + float mb_second = ((((float)k_recv_amount)/(float)total_time_nsec) * (float)TimeValue::NanoSecPerSec) / (1024.0*1024.0); + printf ("%u qSpeedTest(send=%-7u, recv=%-7u) sent 4MB in %" PRIu64 ".%9.9" PRIu64 " sec for %f MB/sec.\n", + num_packets, + send_size, + recv_size, + total_time_nsec / TimeValue::NanoSecPerSec, + total_time_nsec % TimeValue::NanoSecPerSec, + mb_second); + } } - if (send_size == 0) - send_size = 32; - } - } - else - { - start_time = TimeValue::Now(); - for (i=0; i<num_packets; ++i) - { - GetCurrentProcessID (); } - end_time = TimeValue::Now(); - total_time_nsec = end_time.GetAsNanoSecondsSinceJan1_1970() - start_time.GetAsNanoSecondsSinceJan1_1970(); - packets_per_second = (((float)num_packets)/(float)total_time_nsec) * (float)TimeValue::NanoSecPerSec; - printf ("%u 'qC' packets packets in 0x%" PRIu64 "%9.9" PRIu64 " sec for %f packets/sec.\n", - num_packets, - total_time_nsec / TimeValue::NanoSecPerSec, - total_time_nsec % TimeValue::NanoSecPerSec, - packets_per_second); } } |
