add option to sort cpus

docs/content/configuration/command-line-flags.md

@@ -16,6 +16,7 @@ The following flags can be provided to bottom in the command line to change the
 | `--color <COLOR SCHEME>`              | Use a color scheme, use --help for supported values.           |
 | `-C, --config <CONFIG PATH>`          | Sets the location of the config file.                          |
 | `-u, --current_usage`                 | Sets process CPU% to be based on current CPU%.                 |
+| `--sort_cpu`                          | Order CPUs based on current CPU%.                              |
 | `-t, --default_time_value <MS>`       | Default time value for graphs in ms.                           |
 | `--default_widget_count <INT>`        | Sets the n'th selected widget type as the default.             |
 | `--default_widget_type <WIDGET TYPE>` | Sets the default widget type, use --help for more info.        |

docs/content/configuration/config-file/flags.md

@@ -12,6 +12,7 @@ Most of the [command line flags](../../command-line-flags) have config file equi
 | `dot_marker`                 | Boolean                                                                                        | Uses a dot marker for graphs.                                  |
 | `left_legend`                | Boolean                                                                                        | Puts the CPU chart legend to the left side.                    |
 | `current_usage`              | Boolean                                                                                        | Sets process CPU% to be based on current CPU%.                 |
+| `sort_cpu`                   | Boolean                                                                                        | Order CPUs based on current CPU%.                              |
 | `group_processes`            | Boolean                                                                                        | Groups processes with the same name by default.                |
 | `case_sensitive`             | Boolean                                                                                        | Enables case sensitivity by default.                           |
 | `whole_word`                 | Boolean                                                                                        | Enables whole-word matching by default.                        |

sample_configs/default_config.toml

@@ -17,6 +17,8 @@
 #left_legend = false
 # Whether to set CPU% on a process to be based on the total CPU or just current usage.
 #current_usage = false
+# Whether to order CPUs based on current CPU%.
+#sort_cpu = false
 # Whether to group processes with the same name together by default.
 #group_processes = false
 # Whether to make process searching case sensitive by default.

src/app.rs

@@ -50,6 +50,7 @@ pub struct AppConfigFields {
     pub left_legend: bool,
     pub show_average_cpu: bool,
     pub use_current_cpu_total: bool,
+    pub sort_cpu: bool,
     pub use_basic_mode: bool,
     pub default_time_value: u64,
     pub time_interval: u64,

src/bin/main.rs

@@ -207,6 +207,7 @@ fn main() -> Result<()> {
                                 &app.data_collection,
                                 &mut app.canvas_data.cpu_data,
                                 false,
+                                app.app_config_fields.sort_cpu,
                             );
                             app.canvas_data.load_avg_data = app.data_collection.load_avg_harvest;
                         }

src/clap.rs

@@ -135,6 +135,11 @@ pub fn build_app() -> Command<'static> {
         .help("Sets process CPU% to be based on current CPU%.")
         .long_help("Sets process CPU% usage to be based on the current system CPU% usage rather than total CPU usage.");
 
+    let sort_cpu = Arg::new("sort_cpu")
+        .long("sort_cpu")
+        .help("Orders CPUs based on current CPU%.")
+        .long_help("Sorts CPUs according to the current CPU usage.");
+
     // TODO: [DEBUG] Add a proper debugging solution.
 
     let disable_click = Arg::new("disable_click")
@@ -389,6 +394,7 @@ use CPU (3) as the default instead.
         .arg(network_use_log)
         .arg(network_use_binary_prefix)
         .arg(current_usage)
+        .arg(sort_cpu)
         .arg(use_old_network_legend)
         .arg(whole_word);
 

src/constants.rs

@@ -443,6 +443,8 @@ pub const CONFIG_TEXT: &str = r##"# This is a default config file for bottom.  A
 #left_legend = false
 # Whether to set CPU% on a process to be based on the total CPU or just current usage.
 #current_usage = false
+# Whether to order CPUs based on current CPU%.
+#sort_cpu = false
 # Whether to group processes with the same name together by default.
 #group_processes = false
 # Whether to make process searching case sensitive by default.

src/data_conversion.rs

@@ -162,7 +162,7 @@ pub fn convert_disk_row(current_data: &data_farmer::DataCollection) -> Vec<Vec<S
 
 pub fn convert_cpu_data_points(
     current_data: &data_farmer::DataCollection, existing_cpu_data: &mut Vec<ConvertedCpuData>,
-    is_frozen: bool,
+    is_frozen: bool, sort_cpu: bool,
 ) {
     let current_time = if is_frozen {
         if let Some(frozen_instant) = current_data.frozen_instant {
@@ -238,6 +238,26 @@ pub fn convert_cpu_data_points(
             break;
         }
     }
+
+    // order cpus in descending values excluding All & AVG
+    if sort_cpu {
+        existing_cpu_data.sort_by(|a, b| {
+            let default_values = vec!["All".to_string(), "AVG".to_string()];
+            if default_values.contains(&a.cpu_name)
+                || default_values.contains(&b.cpu_name)
+                || a.cpu_data.is_empty()
+                || b.cpu_data.is_empty()
+            {
+                std::cmp::Ordering::Equal
+            } else if a.cpu_data[a.cpu_data.len() - 1].1 < b.cpu_data[b.cpu_data.len() - 1].1 {
+                std::cmp::Ordering::Greater
+            } else if a.cpu_data[a.cpu_data.len() - 1].1 == b.cpu_data[b.cpu_data.len() - 1].1 {
+                std::cmp::Ordering::Equal
+            } else {
+                std::cmp::Ordering::Less
+            }
+        });
+    }
 }
 
 pub fn convert_mem_data_points(

src/lib.rs

@@ -318,6 +318,7 @@ pub fn handle_force_redraws(app: &mut App) {
             &app.data_collection,
             &mut app.canvas_data.cpu_data,
             app.is_frozen,
+            app.app_config_fields.sort_cpu,
         );
         app.canvas_data.load_avg_data = app.data_collection.load_avg_harvest;
         app.cpu_state.force_update = None;

src/options.rs

@@ -68,6 +68,9 @@ pub struct ConfigFlags {
     #[builder(default, setter(strip_option))]
     pub current_usage: Option<bool>,
 
+    #[builder(default, setter(strip_option))]
+    pub sort_cpu: Option<bool>,
+
     #[builder(default, setter(strip_option))]
     pub group_processes: Option<bool>,
 
@@ -417,6 +420,7 @@ pub fn build_app(
         use_dot: get_use_dot(matches, config),
         left_legend: get_use_left_legend(matches, config),
         use_current_cpu_total: get_use_current_cpu_total(matches, config),
+        sort_cpu: get_sort_cpu(matches, config),
         use_basic_mode,
         default_time_value,
         time_interval: get_time_interval(matches, config)
@@ -691,6 +695,18 @@ fn get_use_current_cpu_total(matches: &clap::ArgMatches, config: &Config) -> boo
     false
 }
 
+fn get_sort_cpu(matches: &clap::ArgMatches, config: &Config) -> bool {
+    if matches.is_present("sort_cpu") {
+        return true;
+    } else if let Some(flags) = &config.flags {
+        if let Some(sort_cpu) = flags.sort_cpu {
+            return sort_cpu;
+        }
+    }
+
+    false
+}
+
 fn get_use_basic_mode(matches: &clap::ArgMatches, config: &Config) -> bool {
     if matches.is_present("basic") {
         return true;