deps: don't directly use time for logging (#2182)

Wanted to prune Cargo.toml a tiny bit and noticed I could just use humantime to do this instead of time for logging purposes. Of course I still pull it in via Cargo.lock though.

Cargo.lock

@@ -170,7 +170,6 @@ dependencies = [
  "sysctl",
  "sysinfo",
  "tempfile",
- "time",
  "timeless",
  "toml_edit",
  "unicode-ellipsis",

Cargo.toml

@@ -54,7 +54,7 @@ path = "src/bin/main.rs"
 doc = false
 
 [features]
-# Used for general builds.
+# Used for general release builds.
 battery = ["dep:starship-battery"]
 nvidia = ["gpu", "dep:nvml-wrapper"]
 gpu = []
@@ -62,18 +62,13 @@ zfs = []
 deploy = ["battery", "nvidia", "zfs"]
 default = ["deploy"]
 
-# Should not be included in builds.
-logging = ["fern", "log", "time"]
+# These features should not be included in release builds.
+logging = ["fern", "log"]
 generate_schema = ["schemars", "strum"]
 
 [dependencies]
 anyhow = "1.0.101"
-clap = { version = "4.6.4", features = [
-    "default",
-    "cargo",
-    "wrap_help",
-    "derive",
-] }
+clap = { version = "4.6.4", features = ["default", "cargo", "wrap_help", "derive"] }
 concat-string = "1.0.1"
 crossterm = "0.29.0"
 ctrlc = { version = "3.5.2", features = ["termination"] }
@@ -82,9 +77,7 @@ humantime = "2.3.0"
 indexmap = "2.14.0"
 indoc = "2.0.7"
 itertools = "0.15.0"
-nvml-wrapper = { version = "0.12.1", optional = true, features = [
-    "legacy-functions",
-] }
+nvml-wrapper = { version = "0.12.1", optional = true, features = ["legacy-functions"] }
 ratatui = { version = "0.30.2", default-features = false, features = [
     "unstable-rendered-line-info",
     "layout-cache",
@@ -102,14 +95,9 @@ unicode-ellipsis = "0.6.0"
 unicode-segmentation = "1.13.3"
 unicode-width = "0.2.2"
 
-# Used for logging. Mostly a debugging tool.
+# Used for logging. Mostly for dev-level debugging.
 fern = { version = "0.7.1", optional = true }
 log = { version = "0.4.29", optional = true }
-time = { version = "0.3.47", features = [
-    "local-offset",
-    "formatting",
-    "macros",
-], optional = true }
 
 # These are just used for JSON schema generation.
 schemars = { version = "1.2.1", optional = true }
@@ -150,12 +138,7 @@ tempfile = { version = "3.23.0", default-features = false }
 portable-pty = "0.9.0"
 
 [build-dependencies]
-clap = { version = "4.6.4", features = [
-    "default",
-    "cargo",
-    "wrap_help",
-    "derive",
-] }
+clap = { version = "4.6.4", features = ["default", "cargo", "wrap_help", "derive"] }
 clap_complete = "4.6.7"
 clap_complete_nushell = "4.6.1"
 clap_complete_fig = "4.5.2"

src/app/data/time_series.rs

@@ -297,7 +297,8 @@ impl TimeSeriesData {
                 partition_point - 1
             } else {
                 // If the partition point was 0, then it means all values are too new to be
-                // pruned. crate::info!("Skipping prune.");
+                // pruned.
+                // crate::info!("Skipping prune.");
                 return;
             }
         };

src/lib.rs

@@ -293,7 +293,6 @@ fn create_collection_thread(
 #[inline]
 pub fn start_bottom(enable_error_hook: &mut bool) -> anyhow::Result<()> {
     // let _profiler = dhat::Profiler::new_heap();
-
     let args = args::get_args();
 
     #[cfg(feature = "logging")]

src/utils/logging.rs

@@ -1,33 +1,12 @@
-#[cfg(feature = "logging")]
-use std::sync::OnceLock;
-
-#[cfg(feature = "logging")]
-pub static OFFSET: OnceLock<time::UtcOffset> = OnceLock::new();
-
 #[cfg(feature = "logging")]
 pub fn init_logger(
     min_level: log::LevelFilter, debug_file_name: Option<&std::ffi::OsStr>,
 ) -> anyhow::Result<()> {
     let dispatch = fern::Dispatch::new()
         .format(|out, message, record| {
-            let offset = OFFSET.get_or_init(|| {
-                time::UtcOffset::current_local_offset().unwrap_or(time::UtcOffset::UTC)
-            });
-
-            let offset_time = {
-                let utc = time::OffsetDateTime::now_utc();
-                utc.checked_to_offset(*offset).unwrap_or(utc)
-            };
-
             out.finish(format_args!(
-                "{}[{}][{}] {}",
-                offset_time
-                    .format(&time::macros::format_description!(
-                        // The weird "[[[" is because we need to escape a bracket ("[[") to show
-                        // one "[". See https://time-rs.github.io/book/api/format-description.html
-                        "[[[year]-[month]-[day]][[[hour]:[minute]:[second][subsecond digits:9]]"
-                    ))
-                    .expect("log formatting shouldn't fail"),
+                "[{}][{}][{}] {}",
+                humantime::format_rfc3339_nanos(std::time::SystemTime::now()),
                 record.target(),
                 record.level(),
                 message
@@ -125,12 +104,13 @@ macro_rules! log_every_n_secs {
     ($level:expr, $n:expr, $($x:tt)*) => {
         #[cfg(feature = "logging")]
         {
-            static LAST_LOG: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(0);
-            let since_last_log = LAST_LOG.load(std::sync::atomic::Ordering::Relaxed);
+            use std::sync::atomic::{AtomicU64, Ordering};
+            static LAST_LOG: AtomicU64 = AtomicU64::new(0);
+            let since_last_log = LAST_LOG.load(Ordering::Relaxed);
             let now = std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).expect("should be valid").as_secs();
 
             if now - since_last_log > $n {
-                LAST_LOG.store(now, std::sync::atomic::Ordering::Relaxed);
+                LAST_LOG.store(now, Ordering::Relaxed);
                 log::log!($level, $($x)*);
             }
         }