On the Qualitative Timeline chart correctness checking reports (CCRs) are displayed as vertical lines representing the frequency of the CCRs occurrence. The height of each line is constant.
You can create a command line for analyzing specific processes with Intel® VTune™ Amplifier or Intel® Advisor.
Go to Advanced > Command line for VTune Amplifier..., or Advanced > Command line for Advisor...
A mesh pattern indicates tagged items in the Quantitative Timeline.
This is what the Quantitative Timeline for the poisson_icomm.single.stf trace file with the tagged MPI_Finalize function looks like:
The Settings dialog box has three subsets: Preferences, Colors and Data.
Use the Preferences to configure Message Profile display and layout.
In the Comparison mode (see Comparison of two Trace Files), the Filtering dialog has an additional label and a combo box that enables you to apply the chosen filter expression to the other trace file shown in the View.
Use this dialog box to create a command line for Intel® VTune™ Amplifier or Intel® Advisor. See the Interoperability with Intel® VTune™ Amplifier and Intel® Advisor section for details.
An example dialog box for Intel VTune Amplifier may look as follows:
Aggregation reduces the amount of data by aggregating events into thread groups and into function groups.
The following aggregation types are discussed in this topic:
Similar to recording of process specific counters, Intel® Trace Collector can record operating system counters, which provide information about a node. In contrast to the process specific counters, OS counters are sampled very infrequently by one background thread per node and thus the overhead is very low. The amount of trace data also increases insignificantly.
By default, recording of OS counters is disabled. To enable it, set the configuration option: