Tweaked RX/TX collection and drawing

Author: TheSovietPancakes

src/btop_draw.cpp

@@ -1144,10 +1144,11 @@ namespace Gpu {
 		//	+ Symbols::title_right + Symbols::h_line*(b_width/2-12) + Symbols::div_down + Symbols::h_line*(b_width/2-2) + Symbols::div_right;
 
 		//? PCIe link throughput
-		if (gpu.supported_functions.pcie_txrx and Config::getB("nvml_measure_pcie_speeds")) {
+		// Negative RX/TX means that they are manually disabled, not that they are unsupported
+		if (gpu.supported_functions.pcie_txrx and not (gpu.pcie_rx < 0 or gpu.pcie_tx < 0)) {
 			string tx_string = floating_humanizer(gpu.pcie_tx, 0, 1, 0, 1);
 			string rx_string = floating_humanizer(gpu.pcie_rx, 0, 1, 0, 1);
-			out += Mv::to(b_y + b_height_vec[index] - 1, b_x+2) + Theme::c("div_line")
+			out += Mv::to(b_y + height - 3, b_x+2) + Theme::c("div_line")
 				+ Symbols::title_left_down + Theme::c("title") + Fx::b + "TX:" + Fx::ub + Theme::c("div_line") + Symbols::title_right_down + Symbols::h_line*(b_width/2-9-tx_string.size())
 				+ Symbols::title_left_down + Theme::c("title") + Fx::b + tx_string + Fx::ub + Theme::c("div_line") + Symbols::title_right_down + (gpu.supported_functions.mem_total and gpu.supported_functions.mem_used ? Symbols::div_down : Symbols::h_line)
 				+ Symbols::title_left_down + Theme::c("title") + Fx::b + "RX:" + Fx::ub + Theme::c("div_line") + Symbols::title_right_down + Symbols::h_line*(b_width/2+b_width%2-9-rx_string.size())

src/linux/btop_collect.cpp

@@ -1352,6 +1352,9 @@ namespace Gpu {
 							Logger::warning("NVML: Failed to get PCIe RX throughput: {}", nvmlErrorString(result));
 						} else gpus_slice[i].pcie_rx = (long long)rx;
 					});
+				} else {
+					gpus_slice[i].pcie_tx = -1;
+					gpus_slice[i].pcie_rx = -1;
 				}
 
 				// DebugTimer nvTimer("Nv utilization");
@@ -1781,7 +1784,7 @@ namespace Gpu {
 				}
 
 				//? PCIe link speeds
-				if (gpus_slice[i].supported_functions.pcie_txrx and Config::getB("rsmi_measure_pcie_speeds")) {
+				if (gpus_slice[i].supported_functions.pcie_txrx and Config::getB("rsmi_measure_pcie_speeds") or is_init) {
 					uint64_t tx, rx;
 					result = rsmi_dev_pci_throughput_get(i, &tx, &rx, nullptr);
     				if (result != RSMI_STATUS_SUCCESS) {
@@ -1791,6 +1794,9 @@ namespace Gpu {
 						gpus_slice[i].pcie_tx = (long long)tx;
 						gpus_slice[i].pcie_rx = (long long)rx;
 					}
+				} else {
+					gpus_slice[i].pcie_tx = -1;
+					gpus_slice[i].pcie_rx = -1;
 				}
     		}