Re: [BUG] perf mem: perf mem report fails in TUI mode

From: Jiri Olsa
Date: Wed Dec 10 2014 - 10:46:32 EST

On Tue, Dec 09, 2014 at 11:15:13PM -0500, Stephane Eranian wrote:
> Hi,
> I was running a couple of tests with perf mem from tip.git and
> found that perf mem -t load rep was failing only in TUI mode.
> With --stdio, it works fine. I did a bit of investigation and found
> out that the TUI mode is failing because some symbol (kernel)
> is showing up with a huge (negative) size. I don't understand
> the connection between the TUI vs. tty browser and symbols.
> To reproduce:
> $ perf mem -t load rec my_test_program
> $ perf mem -t load rep
> $ perf mem -t load rep --stdio

I couldn't reproduce any failure on the acme's perf/core

since you indicated it's data dependent, could you share


> Debugging with TUI is a pain, so I stopped.
> I have a patch to improve perf mem a bit but I'd like to get this problem
> fixed first.
> Maybe you have a idea of what's going on.
> Thanks.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at