# \#pprof

**URL:** https://discourse.julialang.org/tag/pprof/309.md

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## [What is pthread\_cond\_wait in PProf.jl output?](https://discourse.julialang.org/t/what-is-pthread-cond-wait-in-pprof-jl-output/94229)

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**Author:** [@aksahoo](https://discourse.julialang.org/u/aksahoo)\
**Replies:** 1\
**Last updated:** [February 17, 2023, 1:24am UTC](https://discourse.julialang.org/t/what-is-pthread-cond-wait-in-pprof-jl-output/94229 "2023-02-17T01:24:36Z")

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I got a pthread\_cond\_wait in my profilling with PProf.jl What does that men? and how to avoid that or reduce that time?

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## [Pprof() error?](https://discourse.julialang.org/t/pprof-error/31900)

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**Author:** [@tomtom](https://discourse.julialang.org/u/tomtom)\
**Replies:** 8\
**Last updated:** [December 13, 2019, 5:34pm UTC](https://discourse.julialang.org/t/pprof-error/31900 "2019-12-13T17:34:14Z")

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when I use the PProf package, I see the following problem: julia\> pprof() ERROR: SystemError: opening file "profile.pb.gz": Permission denied I’m using MacOS help please. thanks.