Commit a396042

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vmm: Add device reset metric

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Original file line number	Diff line number	Diff line change
`@@ -1035,6 +1035,7 @@ impl VirtioDevice for Net {`
`1035`	`1035`	`self.device_state = DeviceState::Inactive;`
`1036`	`1036`	`self.rx_frame_buf = [0u8; MAX_BUFFER_SIZE];`
`1037`	`1037`	`self.acked_features = 0;`
	`1038`	`+ self.metrics.device_resets.inc();`
`1038`	`1039`	`Ok(())`
`1039`	`1040`	`}`
`1040`	`1041`	`}`

Lines changed: 3 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -150,6 +150,8 @@ pub struct NetDeviceMetrics {`
`150`	`150`	`/// Number of times when interacting with the space config of a network device failed.`
`151`	`151`	`pub cfg_fails: SharedIncMetric,`
`152`	`152`	`/// Number of times the mac address was updated through the config space.`
	`153`	`+ /// Number of device resets.`
	`154`	`+ pub device_resets: SharedIncMetric,`
`153`	`155`	`pub mac_address_updates: SharedIncMetric,`
`154`	`156`	`/// No available buffer for the net device rx queue.`
`155`	`157`	`pub no_rx_avail_buffer: SharedIncMetric,`
`@@ -222,6 +224,7 @@ impl NetDeviceMetrics {`
`222`	`224`	`pub fn aggregate(&mut self, other: &Self) {`
`223`	`225`	`self.activate_fails.add(other.activate_fails.fetch_diff());`
`224`	`226`	`self.cfg_fails.add(other.cfg_fails.fetch_diff());`
	`227`	`+ self.device_resets.add(other.device_resets.fetch_diff());`
`225`	`228`	`self.mac_address_updates`
`226`	`229`	`.add(other.mac_address_updates.fetch_diff());`
`227`	`230`	`self.no_rx_avail_buffer`

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