> > For shared-memory systems, uftrace [1] works great. > > > > It gives you great visualization with not too much performance impact. > > I tried running uftrace on exes using HPX and it consistently crashes, on > both my exes and HPX examples: > Hi, I've checked and uftrace indeed crashes a lot of times with HPX. However when I tried with clang and the -pg option it randomly worked. I haven't examined the reason for this but here are some screenshots I've taken by running 1d_stencil_8. https://imgur.com/a/YPzq71X https://imgur.com/a/sQZicZQ Here is the "chrome://tracing" dump https://drive.google.com/file/d/1BsR7d4qWp6zdJ7FtKj9D4NLGD2QrhUw3/view?usp=sharing You could check these results first to see if they suit your purpose. Ray Kim
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