Method read_process_majflt

nodedb/src/data/io/prefetch.rs:190–195

Read the process's major page faults from `/proc/self/stat`. Returns `None` on non-Linux or if the file can't be read.

()

    ///
    /// Returns `None` on non-Linux or if the file can't be read.
    pub fn read_process_majflt() -> Option<u64> {
        let stat = std::fs::read_to_string("/proc/self/stat").ok()?;
        // Field 12 (0-indexed) is majflt.
        let fields: Vec<&str> = stat.split_whitespace().collect();
        fields.get(11)?.parse::<u64>().ok()
    }
}

#[cfg(test)]