Is it possible to do profiling (gprof) on ESP32?

[yanbin]

Hi,
Now I am working on ESP32 and want to do know which function used much CPU time.
When use -pg to compile project, the xtensa toolchain said: undefined reference to `_mcount'.
How can I know which function used much CPU time?
Thanks.

[ESP_igrr]

Hi yanbin,

Gprof support is in review at the moment, and should appear in master next week or so.

[yanbin]

Thank you ESP_igrr!
Looking forward to this new feature!

[Malishev]

Hi. Any update on this? Is the gprof finally supported?

[zhivko]

Anything new @igrr on this topic?

[vyo2003]

Any updates on this? Sounds like a neat thing to try out!

[chenlijun99]

I would be also interested in this.

[DrMickeyLauer]

Resurrecting this old thread… it seems it's available these days via https://components.espressif.com/compon ... ssif/gprof ­-- any experiences with doing it that way? Were the results expected / accurate?