TotalView Users Guide - CI Wiki

Using the Root Window
Figure 114: Two Views of the
Root Window
TotalView can display process and thread data linearly and hierarchically.
(See Figure 114.)
Selecting the hierarchy toggle button ( ) changes the view from linear to
hierarchical view. When data is being displayed hierarchically, you can perform
the following additional operations:
� Selectively display information using the + or – indicators. The View >
Expand All and View > Compress All commands let you open and close
all of this window’s hierarchies.
� Sort a column by clicking on a column header.
The hierarchical view lets you group similar information. For example, if you
sort the information by clicking the Status header, TotalView groups all
attached processes by their status. This lets you see, for example, which
threads are held, at a breakpoint, and so on. When information is aggregated
(that is grouped) like this, you can also display information selectively.
(See Figure 115 on page 169.)
TotalView displays all of your program’s processes and threads. You can
change this using the following commands:
� View > Display Managers: When multi-process and multi-threaded programs
run, the operating system often creates threads whose sole function
is to manage your program’s processes. In addition, many HPC programs
use a starter process. Usually, you are not interested in these
threads and processes. This command lets you remove them from the
168 Chapter 8: Using TotalView Windows