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diskstats: ignore zram devices on linux systems by default #2898

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merged 1 commit into from
Jan 15, 2024
Merged

diskstats: ignore zram devices on linux systems by default #2898

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2 changes: 1 addition & 1 deletion collector/diskstats_linux.go
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Expand Up @@ -36,7 +36,7 @@ const (
// See also https://www.kernel.org/doc/Documentation/block/stat.txt
unixSectorSize = 512.0

diskstatsDefaultIgnoredDevices = "^(ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"
diskstatsDefaultIgnoredDevices = "^(z?ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"

// See udevadm(8).
udevDevicePropertyPrefix = "E:"
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2 changes: 1 addition & 1 deletion collector/diskstats_linux_test.go
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Expand Up @@ -53,7 +53,7 @@ func TestDiskStats(t *testing.T) {
*sysPath = "fixtures/sys"
*procPath = "fixtures/proc"
*udevDataPath = "fixtures/udev/data"
*diskstatsDeviceExclude = "^(ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"
*diskstatsDeviceExclude = "^(z?ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"
testcase := `# HELP node_disk_ata_rotation_rate_rpm ATA disk rotation rate in RPMs (0 for SSDs).
# TYPE node_disk_ata_rotation_rate_rpm gauge
node_disk_ata_rotation_rate_rpm{device="sda"} 7200
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