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feat: Report open file descriptor count #58

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feat: Report open file descriptor count #58

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11 changes: 10 additions & 1 deletion src/system_information/resources.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ pub struct Resources {
pub physical_core_count: Option<usize>,

pub open_files_limit: Option<usize>,
pub open_files_count: Option<usize>,

pub total_memory: u64,
pub free_memory: u64,
Expand Down Expand Up @@ -43,7 +44,14 @@ impl Resources {
);

let open_files_limit = System::open_files_limit();
tracing::info!(open_files.limit = open_files_limit, "open files limit");
let open_files_count = std::fs::read_dir("/proc/self/fd")
.map(|entries| entries.count())
.ok();
tracing::info!(
open_files.limit = open_files_limit,
open_files.count = open_files_count,
"open files"
);

let total_memory = sys.total_memory();
let free_memory = sys.free_memory();
Expand Down Expand Up @@ -91,6 +99,7 @@ impl Resources {
physical_core_count,

open_files_limit,
open_files_count,

total_memory,
free_memory,
Expand Down
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