Systems and methods for handling virtual machine packets are provided. In some aspects, a method includes receiving, by a network interface controller, an indicator of a packet from a virtual machine. The indicator bypasses a virtual switch coupled to the virtual machine. The method also includes determining, in response to receiving the indicator, whether the packet is designated for accelerated processing. The method also includes providing the indicator to the virtual switch for processing if the packet is determined not to be designated for accelerated processing. The method also includes processing, by the network interface controller, the packet for transmission if the packet is determined to be designated for accelerated processing.

Systems and methods for handling virtual machine packets

Embodiments are directed to monitoring network traffic using network computers. A monitoring engine may monitor network traffic associated with a plurality of entities in a network to provide metrics. A device relation model may be provided based on the plurality of entities, the network traffic, and the metrics. Interest information for a user may be provided based on one or more properties associated with the user. An inference engine may associate each entity in the plurality of entities with an interest score based on the interest information, the device relation model, and the metrics. An alert engine may generate a plurality of alerts associated with the plurality of entities based on the metrics. Some of the alerts may be provided to the user based on ranked interest scores associated with the entities.

Personalization of alerts based on network monitoring

Provided are a computer program product, system, and method for determining when to throttle interrupts to limit interrupt processing to an interrupt processing time. Upon receiving interrupts from the hardware device, a determination is made as to whether a number of received interrupts exceeds an interrupt threshold during a interrupt tracking time period. If so, an interrupt throttling state is set to a first value indicating to only process interrupts during an interrupt processing time period. Interrupts from the hardware device are processed during the interrupt time period when the interrupt throttling state is set to the first value. Interrupts received from the hardware are masked during a processing of a scan loop of operations while the interrupt throttling has the first value and the interrupt processing time period has expired, wherein the masked interrupts are not processed while processing the scan loop of operations.

Determining when to throttle interrupts to limit interrupt processing to an interrupt processing time period

Embodiments are directed to monitoring network traffic. A monitoring engine may monitor network traffic associated with a plurality of entities in networks to provide metrics. And provide a device relation model based on the plurality of entities, the network traffic, and the metrics. An inference engine may associate each entity in the plurality of entities with an importance score based on the device relation model and the metrics such that each importance score is associated with a significance of an entity to operations of the networks. An alert engine may generate a plurality of alerts associated with the plurality of entities based on the metrics. And provide one or more alerts from the plurality of alerts to one or more users based on one or more ranked importance scores associated with one or more entities.

Ranking alerts based on network monitoring

Embodiments are directed to monitoring network traffic using a monitoring engine that monitors network traffic in networks to provide metrics. An inference engine may provide activity profiles based on portions of the network traffic where each activity profile includes features associated with the portions of network traffic. The inference engine may determine other activity profiles correlated with the activity profiles based on correlation models such that the determination of the other activity profiles occurs prior to monitoring an occurrence of other portions of the network traffic. The inference engine may modify monitoring actions of the monitoring engine based on the other activity profiles. The inference engine may provide reports based on the portions of the network traffic, the activity profiles, the other portions of the network traffic, or the other activity profiles.

Correlating causes and effects associated with network activity

Techniques are provided for zero copy accelerated processing of packets received at a network device according to a session oriented protocol. Each packet comprises a header field and a payload field. Data in the header field of a byte is evaluated to determine whether a sequence number in the header field is equal to an expected sequence number for a given flow of packets. When the sequence number in the header field is equal to the expected sequence number, header data from the header field is stored in a header ring comprising a plurality of socket buffers and payload data is directed to an application buffer pool according to a pointer in a streaming data ring. When the sequence number in the header field is not equal to the expected sequence number, the header data and the payload data are stored in the header ring.

Zero Copy Acceleration for Session Oriented Protocols

A method includes receiving a first interrupt request from a first device instance of a plurality of device instances. The first interrupt request is requesting an interrupt of a processor. The method also includes updating a bit vector based on the first interrupt request. The bit vector comprises a plurality of bits representing an accumulation of interrupt requests. The method further includes generating a gang interrupt comprising the updated bit vector. The method also includes transmitting the gang interrupt to call a first device driver associated with the first interrupt request based on the bits in the bit vector.

Implementing Gang Interrupts

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Zero Copy Acceleration for Session Oriented Protocols

Implementing Gang Interrupts