From c155fc88124b5d8e4d02de7442eac50e33082bf0 Mon Sep 17 00:00:00 2001
From: nokyan <nokyan@tuta.io>
Date: Wed, 6 Nov 2024 18:52:28 +0100
Subject: [PATCH] Don't use once_cell where it's not needed

---
 Cargo.lock                  |  1 -
 lib/process_data/Cargo.toml |  1 -
 lib/process_data/src/lib.rs | 11 +++++------
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index f17de1fb..444921b7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1289,7 +1289,6 @@ dependencies = [
  "num_cpus",
  "nutype",
  "nvml-wrapper",
- "once_cell",
  "serde",
  "syscalls",
  "sysconf",
diff --git a/lib/process_data/Cargo.toml b/lib/process_data/Cargo.toml
index c1970ad1..786b6329 100644
--- a/lib/process_data/Cargo.toml
+++ b/lib/process_data/Cargo.toml
@@ -24,7 +24,6 @@ libc = "0.2.159"
 num_cpus = "1.16.0"
 nutype = { version = "0.5.0", features = ["serde"] }
 nvml-wrapper = "0.10.0"
-once_cell = "1.20.1"
 serde = { version = "1.0.210", features = ["serde_derive"] }
 syscalls = { version = "0.6.18", features = ["all"] }
 sysconf = "0.3.4"
diff --git a/lib/process_data/src/lib.rs b/lib/process_data/src/lib.rs
index e855c14a..b2f83d2a 100644
--- a/lib/process_data/src/lib.rs
+++ b/lib/process_data/src/lib.rs
@@ -2,13 +2,12 @@ pub mod pci_slot;
 
 use anyhow::{bail, Context, Result};
 use glob::glob;
-use lazy_regex::{lazy_regex, Regex};
+use lazy_regex::{lazy_regex, Lazy, Regex};
 use nutype::nutype;
 use nvml_wrapper::enums::device::UsedGpuMemory;
 use nvml_wrapper::error::NvmlError;
 use nvml_wrapper::struct_wrappers::device::{ProcessInfo, ProcessUtilizationSample};
 use nvml_wrapper::{Device, Nvml};
-use once_cell::sync::Lazy;
 use pci_slot::PciSlot;
 use serde::{Deserialize, Serialize};
 use std::collections::{BTreeMap, HashMap, HashSet};
@@ -17,7 +16,7 @@ use std::io::{Read, Write};
 use std::os::linux::fs::MetadataExt;
 use std::path::Path;
 use std::str::FromStr;
-use std::sync::RwLock;
+use std::sync::{LazyLock, RwLock};
 use std::{path::PathBuf, time::SystemTime};
 
 const STAT_OFFSET: usize = 2; // we split the stat contents where the executable name ends, which is the second element
@@ -27,15 +26,15 @@ const STAT_SYSTEM_CPU_TIME: usize = 14 - STAT_OFFSET;
 const STAT_NICE: usize = 18 - STAT_OFFSET;
 const STAT_STARTTIME: usize = 21 - STAT_OFFSET;
 
-static USERS_CACHE: Lazy<HashMap<libc::uid_t, String>> = Lazy::new(|| unsafe {
+static USERS_CACHE: LazyLock<HashMap<libc::uid_t, String>> = LazyLock::new(|| unsafe {
     uzers::all_users()
         .map(|user| (user.uid(), user.name().to_string_lossy().to_string()))
         .collect()
 });
 
-static PAGESIZE: Lazy<usize> = Lazy::new(sysconf::pagesize);
+static PAGESIZE: LazyLock<usize> = LazyLock::new(sysconf::pagesize);
 
-static NUM_CPUS: Lazy<usize> = Lazy::new(num_cpus::get);
+static NUM_CPUS: LazyLock<usize> = LazyLock::new(num_cpus::get);
 
 static RE_UID: Lazy<Regex> = lazy_regex!(r"Uid:\s*(\d+)");