Difference between revisions of "Gprof Tutorial"
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{ | { | ||
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| − | - | + | - An android app to show incoming callers |
| − | + | || | |
| − | + | + | + A hierarchy diagram of function calls in a given profile |
| − | + | || True | |
| − | - | + | - Instructions of how to call for help during emergencies |
| − | + | || | |
</quiz> | </quiz> | ||
{{hidden end}} | {{hidden end}} | ||
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{ | { | ||
|type="()"} | |type="()"} | ||
| − | - | + | - gprof --call-graph |
| − | + | || | |
| − | - | + | - gprof |
| − | || | + | || |
| − | + | + | + gprof --graph |
| − | || | + | || True |
</quiz> | </quiz> | ||
{{hidden end}} | {{hidden end}} | ||
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|type="()"} | |type="()"} | ||
| − | + | + | + Third party script for call graph visualization via the "dot" library |
| − | + | || True | |
| − | + | - Gprof feature to export profiles as a pdf | |
| − | || Gprof feature to export profiles as a pdf | + | || |
| − | + | - A fork of the beta version of gprof2 | |
| − | || A fork of the beta version of gprof2 | + | || |
</quiz> | </quiz> | ||
{{hidden end}} | {{hidden end}} | ||
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|type="()"} | |type="()"} | ||
| − | - | + | - No, gprof only works with sequential applications |
| − | + | || | |
| − | + | - Yes, parallel profiling is the main use case of gprof | |
| − | || Yes, parallel profiling is the main use case of gprof | + | || |
| − | + | + Yes, but gprof cannot differentiate between individual threads/processes | |
| − | || Yes, but gprof cannot differentiate between individual threads/processes | + | || True |
</quiz> | </quiz> | ||
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| − | - | + | - None |
| − | || | + | || |
| − | + | + | + Little |
| − | || | + | || True |
| − | - | + | - Much |
| − | || | + | || |
</quiz> | </quiz> | ||
{{hidden end}} | {{hidden end}} | ||
Revision as of 13:00, 2 November 2020
| HPC.NRW | |
|---|---|
 | |
| Associated Pages | |
| + | This is an #HPC.NRW course |
| HPC Courses | |
| 1. | Introduction to Linux in HPC |
| 2. | Gprof Tutorial |
| 3. | OpenMP in Small Bites
|
Gprof is a free and easy-to-use profiler.
Gprof Introduction + Pascal Example
Quiz
C++ + Fortran Examples
Show gprof in real world examples and introduce call graph.
Quiz
{{hidden begin |title = 3. What is gprof2dot?
{{hidden begin |title = 4. Does gprof work with MPI applications?
{{hidden begin |title = 5. How much overhead does gprof produce?