dmesg: use utmpx to get boot time.
This commit is contained in:
parent
8efc8a01c2
commit
f621687dd6
38
Cargo.lock
generated
38
Cargo.lock
generated
@ -2,12 +2,6 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "adler2"
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version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
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[[package]]
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name = "aho-corasick"
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version = "1.1.3"
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@ -211,15 +205,6 @@ version = "0.8.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
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[[package]]
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name = "crc32fast"
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version = "1.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
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dependencies = [
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"cfg-if",
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]
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[[package]]
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name = "crossbeam-deque"
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version = "0.8.5"
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@ -294,16 +279,6 @@ version = "2.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e8c02a5121d4ea3eb16a80748c74f5549a5665e4c21333c6098f283870fbdea6"
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[[package]]
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name = "flate2"
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version = "1.0.35"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c936bfdafb507ebbf50b8074c54fa31c5be9a1e7e5f467dd659697041407d07c"
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dependencies = [
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"crc32fast",
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"miniz_oxide",
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]
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[[package]]
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name = "fnv"
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version = "1.0.7"
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@ -430,15 +405,6 @@ version = "2.7.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
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[[package]]
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name = "miniz_oxide"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1"
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dependencies = [
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"adler2",
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]
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[[package]]
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name = "nix"
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version = "0.29.0"
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@ -619,8 +585,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cc5b72d8145275d844d4b5f6d4e1eef00c8cd889edb6035c21675d1bb1f45c9f"
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dependencies = [
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"bitflags 2.6.0",
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"chrono",
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"flate2",
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"hex",
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"procfs-core",
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"rustix 0.38.39",
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@ -633,7 +597,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "239df02d8349b06fc07398a3a1697b06418223b1c7725085e801e7c0fc6a12ec"
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dependencies = [
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"bitflags 2.6.0",
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"chrono",
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"hex",
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]
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@ -1045,7 +1008,6 @@ version = "0.0.1"
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dependencies = [
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"chrono",
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"clap",
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"procfs",
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"regex",
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"serde",
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"serde_json",
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@ -17,7 +17,6 @@ regex = { workspace = true }
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serde_json = { workspace = true }
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serde = { workspace = true }
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chrono = "0.4.38"
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procfs = "0.17"
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[features]
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fixed-boot-time = []
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@ -130,6 +130,40 @@ fn boot_time() -> DateTime<FixedOffset> {
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}
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#[cfg(not(feature = "fixed-boot-time"))]
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#[cfg(unix)]
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#[cfg(not(target_os = "openbsd"))]
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fn boot_time() -> DateTime<FixedOffset> {
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*BOOT_TIME.get_or_init(|| procfs::boot_time().unwrap().into())
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*BOOT_TIME.get_or_init(|| boot_time_from_utmpx().unwrap())
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}
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#[cfg(not(feature = "fixed-boot-time"))]
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#[cfg(windows)]
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fn boot_time() -> DateTime<FixedOffset> {
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// TODO: get windows boot time
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*BOOT_TIME.get_or_init(|| chrono::DateTime::from_timestamp(0, 0).unwrap().into())
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}
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#[cfg(not(feature = "fixed-boot-time"))]
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#[cfg(target_os = "openbsd")]
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fn boot_time() -> DateTime<FixedOffset> {
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// TODO: get openbsd boot time
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*BOOT_TIME.get_or_init(|| chrono::DateTime::from_timestamp(0, 0).unwrap().into())
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}
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#[cfg(not(feature = "fixed-boot-time"))]
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#[cfg(unix)]
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#[cfg(not(target_os = "openbsd"))]
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fn boot_time_from_utmpx() -> Option<DateTime<FixedOffset>> {
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for record in uucore::utmpx::Utmpx::iter_all_records() {
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if record.record_type() == uucore::utmpx::BOOT_TIME {
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let t = record.login_time();
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return Some(
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chrono::DateTime::from_timestamp(t.unix_timestamp(), t.nanosecond())
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.unwrap()
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.with_timezone(&chrono::Local)
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.into(),
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);
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}
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}
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None
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}
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