Desktop : Optimise nix on every build.

.config/btop/btop.conf

@@ -1,4 +1,4 @@
-#? Config file for btop v. 1.2.13
+#? Config file for btop v. 1.3.0
 
 #* Name of a btop++/bpytop/bashtop formatted ".theme" file, "Default" and "TTY" for builtin themes.
 #* Themes should be placed in "../share/btop/themes" relative to binary or "$HOME/.config/btop/themes"
@@ -18,7 +18,7 @@ force_tty = False
 #* Format: "box_name:P:G,box_name:P:G" P=(0 or 1) for alternate positions, G=graph symbol to use for box.
 #* Use whitespace " " as separator between different presets.
 #* Example: "cpu:0:default,mem:0:tty,proc:1:default cpu:0:braille,proc:0:tty"
-presets = "cpu:1:default,proc:0:default cpu:0:default,mem:0:default,net:0:default cpu:0:block,net:0:tty"
+presets = ""
 
 #* Set to True to enable "h,j,k,l,g,G" keys for directional control in lists.
 #* Conflicting keys for h:"help" and k:"kill" is accessible while holding shift.
@@ -37,6 +37,9 @@ graph_symbol = "braille"
 # Graph symbol to use for graphs in cpu box, "default", "braille", "block" or "tty".
 graph_symbol_cpu = "default"
 
+# Graph symbol to use for graphs in gpu box, "default", "braille", "block" or "tty".
+graph_symbol_gpu = "default"
+
 # Graph symbol to use for graphs in cpu box, "default", "braille", "block" or "tty".
 graph_symbol_mem = "default"
 
@@ -46,7 +49,7 @@ graph_symbol_net = "default"
 # Graph symbol to use for graphs in cpu box, "default", "braille", "block" or "tty".
 graph_symbol_proc = "default"
 
-#* Manually set which boxes to show. Available values are "cpu mem net proc", separate values with whitespace.
+#* Manually set which boxes to show. Available values are "cpu mem net proc" and "gpu0" through "gpu5", separate values with whitespace.
 shown_boxes = "cpu mem net proc"
 
 #* Update time in milliseconds, recommended 2000 ms or above for better sample times for graphs.
@@ -86,6 +89,9 @@ proc_left = True
 #* (Linux) Filter processes tied to the Linux kernel(similar behavior to htop).
 proc_filter_kernel = True
 
+#* In tree-view, always accumulate child process resources in the parent process.
+proc_aggregate = False
+
 #* Sets the CPU stat shown in upper half of the CPU graph, "total" is always available.
 #* Select from a list of detected attributes from the options menu.
 cpu_graph_upper = "total"
@@ -94,6 +100,9 @@ cpu_graph_upper = "total"
 #* Select from a list of detected attributes from the options menu.
 cpu_graph_lower = "total"
 
+#* If gpu info should be shown in the cpu box. Available values = "Auto", "On" and "Off".
+show_gpu_info = "Auto"
+
 #* Toggles if the lower CPU graph should be inverted.
 cpu_invert_lower = True
 
@@ -210,3 +219,27 @@ selected_battery = "Auto"
 #* Set loglevel for "~/.config/btop/btop.log" levels are: "ERROR" "WARNING" "INFO" "DEBUG".
 #* The level set includes all lower levels, i.e. "DEBUG" will show all logging info.
 log_level = "WARNING"
+
+#* Measure PCIe throughput on NVIDIA cards, may impact performance on certain cards.
+nvml_measure_pcie_speeds = True
+
+#* Horizontally mirror the GPU graph.
+gpu_mirror_graph = True
+
+#* Custom gpu0 model name, empty string to disable.
+custom_gpu_name0 = ""
+
+#* Custom gpu1 model name, empty string to disable.
+custom_gpu_name1 = ""
+
+#* Custom gpu2 model name, empty string to disable.
+custom_gpu_name2 = ""
+
+#* Custom gpu3 model name, empty string to disable.
+custom_gpu_name3 = ""
+
+#* Custom gpu4 model name, empty string to disable.
+custom_gpu_name4 = ""
+
+#* Custom gpu5 model name, empty string to disable.
+custom_gpu_name5 = ""

.config/linux/nix/desktop/configuration.nix

@@ -156,6 +156,7 @@
 
 	# Nix.
 	nixpkgs.config.allowUnfree = true;
+	nix.settings.auto-optimise-store = true;
 
 	# Do not touch ever.
 	system.stateVersion = "23.11";