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| author | michael-west <michael.west@ettus.com> | 2018-01-09 16:32:11 -0800 |
|---|---|---|
| committer | michael-west <michael.west@ettus.com> | 2018-01-09 16:32:11 -0800 |
| commit | 574c6d6fe5decf844a2d458b7b2e5127d90abe65 (patch) | |
| tree | 0c486c46ba50dfcb7860a1276cbe76ebed37d9a0 /host/lib/usrp/device3 | |
| parent | d95613152da3e7c7f41c71acca65101ed0896893 (diff) | |
| download | uhd-574c6d6fe5decf844a2d458b7b2e5127d90abe65.tar.gz uhd-574c6d6fe5decf844a2d458b7b2e5127d90abe65.tar.bz2 uhd-574c6d6fe5decf844a2d458b7b2e5127d90abe65.zip | |
X300: Reduce CPU usage during TX by restoring timeout when getting flow control packets
Diffstat (limited to 'host/lib/usrp/device3')
| -rw-r--r-- | host/lib/usrp/device3/device3_io_impl.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/host/lib/usrp/device3/device3_io_impl.cpp b/host/lib/usrp/device3/device3_io_impl.cpp index 198ee4022..cb40bb565 100644 --- a/host/lib/usrp/device3/device3_io_impl.cpp +++ b/host/lib/usrp/device3/device3_io_impl.cpp @@ -352,9 +352,7 @@ static bool tx_flow_ctrl( } // Look for a flow control message to update the space available in the buffer. - // A minimal timeout is used because larger timeouts can cause the thread to be - // scheduled out for too long at high data rates and result in underruns. - managed_recv_buffer::sptr buff = async_xport->get_recv_buff(0.000001); + managed_recv_buffer::sptr buff = async_xport->get_recv_buff(); if (buff) { vrt::if_packet_info_t if_packet_info; |