インテル® VTune™ Amplifier 2018 ヘルプ

Local - Launch Application Target Type

Use this configuration to specify an application (a binary or a script) to analyze with the Intel® VTune™ Amplifier on the host (local) system.

To access the analysis target configuration:

  1. Open the Analysis Target window.

  2. From the left pane, select the local host target system.

  3. Select the Launch Application target type.

Note

To create a command line configuration for a target not accessible from the current host, click the Arbitrary Targets toggle button at the bottom of the left pane. Make sure to choose an operating system your target will be running with: Windows or GNU/Linux and a hardware platform.

Basic Options

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To Do This

Inherit settings from Visual Studio* project check box (supported for Visual Studio IDE only)

Enable/disable using the project currently opened in Visual Studio IDE and its current configuration settings as a target configuration. Checking this check box makes all other target configuration settings unavailable for editing.

Application field

Specify a full path to the application to analyze, which can be a binary file or script.

Application parameters field

Specify input parameters for your application.

Use application directory as working directory check box

Automatically match your working and application directory (enabled by default). An application directory is the directory where your application resides. For example, for a Linux application /home/foo/bar the application directory is /home/foo. Application and working directories may be different if, for example, an application file is located in one directory but should be launched from a different directory (working directory).

Working directory field

Specify a directory to use for launching your analysis target. By default, this directory coincides with the application directory.

Managed code profiling mode menu

Select a profiling mode for managed code. Managed mode attributes data to managed source and only collects managed portion. Native mode collects everything but does not attribute data to managed source. Mixed mode collects everything and attributes data to managed source where appropriate.

Inherit system environment variables check box

Inherit and merge system and user-defined environment variables. Otherwise, only the user-defined variables are set.

User-defined environment variables field

Type or paste environment variables required for running your application.

Automatically resume collection after (sec)

Specify the time that should elapse before the data collection is resumed. When this options is used, the collection starts in the paused mode automatically.

Automatically stop collection after (sec)

Set the duration of data collection in seconds starting from the target run. This is useful if you want to exclude some post-processing activities from the analysis results.

For Arbitrary Targets only:

Use MPI launcher check box

Enable the check box to generate a command line configuration for MPI analysis. Configure the following MPI analysis options:

  • Select MPI launcher: Select an MPI launcher that should be used for your analysis. You can either enable the Intel MPI launcher option (default) or select Other and specify a launcher of your choice.

  • Number of ranks: Specify the number of ranks used for your application.

  • Profile ranks: Use All to profile all ranks, or choose Selective and specify particular ranks to profile, for example: 2-4,6-7,8.

  • Result location: Specify a relative or absolute path to the directory where the analysis result should be stored.

Advanced Options

Use the Advanced section to provide more details on your target configuration.

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To Do This

Analyze child processes check box

Collect data on processes launched by the target process. Use this option when profiling an application with the script.

Selecting this option enables the Per-process Configuration where you can specify child processes to analyze. For example, if your target application calls shell or makes processes, you can choose to exclude them from analysis and focus only on the processes you develop.

The Default process configuration represents how all processes should be analyzed. This line cannot be removed, but can be customized. Depending on your choice, you may include/exclude from the data collection specific processes (self value) and the child processes they spawn (children value).

This option is not applicable to hardware event-based analysis types.

Duration time estimate menu (deprecated)

Note

This option is deprecated. Use the CPU sampling interval option on the Analysis Type configuration pane instead.

Estimate the application duration time. This value affects the size of collected data. For long running targets, sampling interval is increased to reduce the result size. For hardware event-based sampling analysis types, the VTune Amplifier uses this estimate to apply a multiplier to the configured sample after value.

Allow multiple runs check box

Enable multiple runs to achieve more precise results for hardware event-based collections. When disabled, the collector multiplexes events running a single collection, which lowers result precision.

Analyze system-wide check box

Enable analyzing all processes running on the system. When disabled, only the target process is analyzed. This option is applicable to hardware event-based sampling analysis types only.

Limit collected data by section

If the amount of raw collected data is very large and takes long to process, use any of the following options to limit the collected data size:

  • Result size from collection start, MB: Set the maximum possible result size (in MB) to collect. VTune Amplifier will start collecting data from the beginning of the target execution and suspend data collection when the specified limit for the result size is reached. For unlimited data size, specify 0.

  • Time from collection end, sec: Set the timer enabling the analysis only for the last seconds before the target run or collection is terminated. For example, if you specified 2 seconds as a time limit, the VTune Amplifier starts the data collection from the very beginning but saves the collected data only for the last 2 seconds before you terminate the collection.

Note

The size of data stored in the result directory may not exactly match the specified result size due to the following reasons:

  • The collected data may slightly exceed the limit since the VTune Amplifier only checks the data size periodically.

  • During finalization, the VTune Amplifier loads the raw data into a database with additional information about source and binary files.

CPU mask field

Specify CPU(s) to collect data on (for example: 2-8,10,12-14). This option is applicable to hardware event-based analysis types only.

Custom collector field

Provide a command line for launching an external collection tool, if any. You can later import the custom collection data (time intervals and counters) in a CSV format to a VTune Amplifier result.

Trace MPI check box (Linux* targets only)

Configure collectors to trace MPI code and determine MPI rank IDs in case of a non-Intel MPI library implementation.

Result location options

Select where you want to store your result file. By default, the result is stored in the project directory.

Analyze KVM guest OS check box (Linux only)

Enable KVM guest system profiling. For proper kernel symbol resolution, make sure to specify:

  • a local path to the /proc/kallsyms file copied from the guest OS

  • a local path to the /proc/modules file copied from the guest OS

For Arbitrary Targets only:

Select a system for result finalization options

The result can be finalized on the same target system where the analysis is run (default). In this case make sure your target system is powerful enough for finalization. If you choose to finalize the result on another system, VTune Amplifier will only compute module checksums to avoid an ambiguity in resolving binaries on a different system.

What's Next

Click the Choose Analysis button on the right to switch to the Analysis Type tab for selecting, configuring, and launching an analysis. The Analysis Type tab displays analysis types applicable to the specified target type.

Note

You can launch an analysis only for targets accessible from the current host. For an arbitrary target, you can only generate a command line configuration, save it to the buffer and later launch it on the intended host.

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