Tracking, analyzing, and visualizing application delay

A system comprising:

• a simulator that is configured to simulate a modeled network, and includes
• a controller that is configured to:
• identify tagged messages among a plurality of simulated messages, and
• generate tagged packets that contain the tagged messages;
• and
• a transaction processor that is configured to:
• identify node traversals,
• identify link traversals, and
• determine timing information associated with select tagged messages based on the node and link traversals.

A method of determining timing information associated with a message, comprising:

• sorting a plurality of happenings associated with the message, and for each happening:
• if the happening is a transmit happening,
• search preceding happenings for a receive happening that corresponds to the transmit happening, and
• determine a node traversal time based on time parameters of the transmit happening and the corresponding receive happening;
• and
• if the happening is a receive happening,
• search subsequent happenings for each transmit happening that corresponds to the receive happening, and
• determine a node drop based on an accumulated correspondence between the receive happening and the corresponding transmit happenings.

A method of determining timing information associated with a message, comprising:

• sorting a plurality of happenings associated with the message, and for each happening:
• if the happening is a transmit happening,
• search subsequent happenings for a receive happening that corresponds to the transmit happening, and
• determine a link drop based on whether the corresponding receive happening is found by the search;
• and
• if the happening is a receive happening,
• search preceding happenings for a transmit happening that corresponds to the receive happening, and
• determine a link traversal time based on time parameters of the receive happening and the corresponding transmit happening.

A method comprising:

• simulating a modeled network, including:
• tagging each message of a plurality of messages with a corresponding message identifier,
• for each tagged message,
• recording a start time and the message identifier of the message,
• recording an end time and the message identifier of the message,
• graphically displaying the start time and the end time of one or more select messages of the plurality of messages based on the recorded information.

A method comprising:

• simulating a modeled network including:
• tagging each message of a plurality of messages with a corresponding transaction identifier,
• for each transaction in the modeled network,
• recording a start time and the transaction identifier of the transaction, and
• recording an end time and the transaction identifier of the transaction,
• graphically displaying the start time and the end time of one or more select transactions based on the recorded information.

A method comprising

• simulating a modeled network including:
• tagging each message of a plurality of messages with a corresponding message identifier,
• segmenting the messages into lower layer packets,
• recording the corresponding message identifier and a corresponding bit range of each segment of the message into each packet,
• upon each packet's arrival at a receiver, recording arrival information including an arrival time, the packet's message identifier, and the packet's bit range, and
• upon each packet's departure from a transmitter, recording departure information including a departure time, the packet's message identifier, and the packet's bit range;
• displaying start time and end time of each packet on a single time scale based on the recorded arrival information and departure information.

A system comprising:

• a simulator that is configured to simulate a modeled network, and includes
• a controller that is configured to:
• tag each message of a plurality of messages with a corresponding message identifier,
• for each tagged message,
• record a start time and the message identifier of the message,
• record an end time and the message identifier of the message, and
• a display that is configured to graphically display the start time and the end time of one or more select messages based on the recorded information.

A system comprising:

• a simulator that is configured to simulate a modeled network, and includes
• a controller that is configured to:
• tag each message of a plurality of messages with a corresponding transaction identifier,
• for each transaction in the modeled network,
• record a start time and the transaction identifier of the transaction,
• record an end time and the transaction identifier of the transaction,
• a display that is configured to graphically display the start time and the end time of one or more select transactions based on the recorded information.

A system comprising

• a simulator that is configured to simulate a modeled network, and includes
• a controller that is configured to:
• tag each message of a plurality of messages with a corresponding message identifier,
• segment the plurality of messages into a plurality of message segments that are each communicated via a packet,
• record the message identifier and a bit range corresponding to the message segment into each packet,
• upon each packet's arrival at a receiver, record arrival information including an arrival time, the message identifier, and the bit range that is recorded in the packet, and
• upon each packet's departure from a transmitter, recording departure information including a departure time, the message identifier, and the bit range that is recorded in the packet;
• a display that is configured to graphically display the arrival time and departure time of one or more select packets based on the recorded arrival information and departure information.