No Profiles Generated

[Wanfeng Ma]

Hello, When I try to capture perfetto native heap by heap_profile script, some times I get the correct result， but sometimes I can't get raw-trace file correctly.

The debuggle Info is:

The log Info and the wrong raw-trace is in appendix,  what should i do to solve the problem? thank you !

Note: Only generate a raw-trace file and can't be opened.

[Daniele Di Proietto]

I can't see anything wrong in the logs you shared.

Is it possible that you're shutting down the trace too early and the profiler doesn't have time to write the data?

Sorry, without reproducing the problem it is hard to understand what's going on.

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[Wanfeng Ma]

Sorry，I can‘t understand the meaning of shutting down the trace too ealry,  When I want to shut down the trace, then I only input contrl+C without do other thing waiting for trace finished, I can't control the time of profile write to data finished, can you give me some more detail infomation about the process?  

And can you provided me some solution that can finish trace sufficiently？

Thank you！

[Daniele Di Proietto]

On Fri, Aug 18, 2023 at 3:09 AM Wanfeng Ma <wanf...@gmail.com> wrote:

Sorry，I can‘t understand the meaning of shutting down the trace too ealry,  When I want to shut down the trace, then I only input contrl+C without do other thing waiting for trace finished, I can't control the time of profile write to data finished, can you give me some more detail infomation about the process?

You're right. But if you stop the trace too early it's possible that perfetto doesn't even have the time to receive any data from your process, so it doesn't know it needs to wait. I don't think this is your problem, I was merely asking if you noticed any pattern in your traces (i.e., if you wait longer you're more likely to see some data in the trace).

 

And can you provided me some solution that can finish trace sufficiently？

Sorry, without being able to reproduce the problem, I can't provide a solution. 

Thank you！

On Thursday, August 17, 2023 at 4:41:36 PM UTC+8 Wanfeng Ma wrote:

Hello, When I try to capture perfetto native heap by heap_profile script, some times I get the correct result， but sometimes I can't get raw-trace file correctly.

The debuggle Info is:

The log Info and the wrong raw-trace is in appendix,  what should i do to solve the problem? thank you !

Note: Only generate a raw-trace file and can't be opened.

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