all-smi 0.26.2

Command-line utility for monitoring GPU hardware. It provides a real-time view of GPU utilization, memory usage, temperature, power consumption, and other metrics.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136

// Copyright 2025 Lablup Inc. and Jeongkyu Shin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! `gaudi.*` checks — hl-smi presence, HL device nodes, driver version.

#[cfg(target_os = "linux")]
use std::time::Duration;

#[cfg(target_os = "linux")]
use crate::doctor::exec::{try_exec, which};
use crate::doctor::types::{Check, CheckCtx, CheckResult, Severity};

static CHECKS: &[&Check] = &[&HLSMI_BINARY, &DEVICE_NODES, &DRIVER];

pub fn checks() -> &'static [&'static Check] {
    CHECKS
}

static HLSMI_BINARY: Check = Check {
    id: "gaudi.hlsmi",
    title: "hl-smi binary",
    severity_on_fail: Severity::Warn,
    run: check_hlsmi,
};

static DEVICE_NODES: Check = Check {
    id: "gaudi.devices",
    title: "Gaudi device nodes",
    severity_on_fail: Severity::Warn,
    run: check_devices,
};

static DRIVER: Check = Check {
    id: "gaudi.driver",
    title: "Habana driver version",
    severity_on_fail: Severity::Info,
    run: check_driver,
};

fn check_hlsmi(_ctx: &CheckCtx) -> CheckResult {
    #[cfg(target_os = "linux")]
    {
        // Search canonical install paths before falling back to PATH.
        for p in &[
            "/usr/bin/hl-smi",
            "/usr/local/bin/hl-smi",
            "/opt/habanalabs/bin/hl-smi",
        ] {
            if std::path::Path::new(p).exists() {
                return CheckResult::Pass(format!("present at {p}"));
            }
        }
        if let Some(path) = which("hl-smi") {
            return CheckResult::Pass(format!("present at {path}"));
        }
        CheckResult::Skip("hl-smi not found".to_string())
    }
    #[cfg(not(target_os = "linux"))]
    {
        CheckResult::Skip("Gaudi is Linux-only".to_string())
    }
}

fn check_devices(_ctx: &CheckCtx) -> CheckResult {
    #[cfg(target_os = "linux")]
    {
        // Accept both the legacy /dev/hl* layout and the newer /dev/accel/accel*.
        let accel = std::path::Path::new("/dev/accel");
        if accel.exists()
            && let Ok(iter) = std::fs::read_dir(accel)
        {
            let nodes: Vec<String> = iter
                .filter_map(|e| e.ok())
                .filter_map(|e| e.file_name().into_string().ok())
                .filter(|n| n.starts_with("accel"))
                .collect();
            // Verify the vendor ID so we don't mistakenly flag Google TPUs.
            let is_habana = nodes.iter().any(|n| {
                let sysfs = format!("/sys/class/accel/{n}/device/vendor");
                matches!(std::fs::read_to_string(&sysfs).map(|s| s.trim().to_string()), Ok(v) if v == "0x1da3")
            });
            if is_habana {
                return CheckResult::Pass(format!("{} Habana accel node(s)", nodes.len()));
            }
        }
        // Legacy layout:
        if std::path::Path::new("/dev/hl0").exists() {
            let mut count = 0;
            for i in 0..32 {
                if std::path::Path::new(&format!("/dev/hl{i}")).exists() {
                    count += 1;
                }
            }
            return CheckResult::Pass(format!("{count} /dev/hl* node(s)"));
        }
        CheckResult::Skip("no Habana device nodes found".to_string())
    }
    #[cfg(not(target_os = "linux"))]
    {
        CheckResult::Skip("Gaudi is Linux-only".to_string())
    }
}

fn check_driver(_ctx: &CheckCtx) -> CheckResult {
    #[cfg(target_os = "linux")]
    {
        // Ask hl-smi for driver version.
        if let Some(out) = try_exec(
            "hl-smi",
            &["-Q", "driver_version", "-f", "csv,noheader"],
            Duration::from_millis(2_000),
        ) && out.success()
        {
            let v = out.stdout.lines().next().unwrap_or("").trim();
            if !v.is_empty() {
                return CheckResult::Pass(v.to_string());
            }
        }
        CheckResult::Skip("hl-smi did not report a driver version".to_string())
    }
    #[cfg(not(target_os = "linux"))]
    {
        CheckResult::Skip("Gaudi is Linux-only".to_string())
    }
}