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https://github.com/containers/youki
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Tests for cgroup v2 io
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@ -136,7 +136,10 @@ impl Io {
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#[cfg(test)]
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mod test {
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use super::*;
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use crate::cgroups::test::setup;
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use crate::{
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cgroups::test::{set_fixture, setup},
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utils::create_temp_dir,
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};
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use oci_spec::{LinuxBlockIo, LinuxThrottleDevice, LinuxWeightDevice};
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use std::fs;
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struct BlockIoBuilder {
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@ -290,4 +293,74 @@ mod test {
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assert_eq!("100", content);
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}
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#[test]
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fn test_stat_io() {
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let tmp = create_temp_dir("test_stat_io").expect("create test directory");
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let stat_content = [
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"7:10 rbytes=18432 wbytes=16842 rios=12 wios=0 dbytes=0 dios=0",
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"7:9 rbytes=34629632 wbytes=274965 rios=1066 wios=319 dbytes=0 dios=0",
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]
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.join("\n");
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set_fixture(&tmp, "io.stat", &stat_content).unwrap();
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let actual = Io::stats(&tmp).expect("get cgroup stats");
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let expected = BlkioStats {
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service_bytes: vec![
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BlkioDeviceStat {
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major: 7,
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minor: 10,
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op_type: Some("read".to_owned()),
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value: 18432,
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},
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BlkioDeviceStat {
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major: 7,
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minor: 10,
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op_type: Some("write".to_owned()),
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value: 16842,
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},
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BlkioDeviceStat {
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major: 7,
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minor: 9,
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op_type: Some("read".to_owned()),
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value: 34629632,
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},
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BlkioDeviceStat {
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major: 7,
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minor: 9,
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op_type: Some("write".to_owned()),
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value: 274965,
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},
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],
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serviced: vec![
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BlkioDeviceStat {
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major: 7,
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minor: 10,
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op_type: Some("read".to_owned()),
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value: 12,
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},
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BlkioDeviceStat {
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major: 7,
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minor: 10,
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op_type: Some("write".to_owned()),
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value: 0,
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},
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BlkioDeviceStat {
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major: 7,
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minor: 9,
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op_type: Some("read".to_owned()),
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value: 1066,
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},
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BlkioDeviceStat {
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major: 7,
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minor: 9,
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op_type: Some("write".to_owned()),
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value: 319,
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},
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],
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..Default::default()
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};
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assert_eq!(actual, expected);
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}
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}
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