Arun,
You can use a small wrapper script like this one to store the perf data
in separate files:
```
$ cat perfwrap.sh
#!/bin/bash
exec perf record -o perf.data.$OMPI_COMM_WORLD_RANK $@
```
Then do `mpirun -n ./perfwrap.sh ./a.out` to run all processes under
perf. You can also select a subs
Hi Jeff,
Thanks, I will check flamegraphs.
Sample generation with perf could be a problem, I don't think I can do 'mpirun
-np <> perf record ' and get
the sampling done on all the cores and store each cores data (perf.data)
separately to analyze it. Is it possible to do?
Came to know that amdu
