Re: perf record: mmap fails when specifying process/thread

[Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>]

Em Wed, Feb 16, 2011 at 08:43:45AM -0700, David Ahern escreveu:
> Latest perf-core (pulled 5 minutes ago):
> 
> # ps -C sshd
>   PID TTY          TIME CMD
>   961 ?        00:00:00 sshd
>  1042 ?        00:00:00 sshd
> 
> # /tmp/build-perf/perf record -v -fo/tmp/perf.data -p 1042
>   Warning:  ... trying to fall back to cpu-clock-ticks
> 
>   Fatal: failed to mmap with 22 (Invalid argument)
> 
> 
> It works fine with -a argument and when a command is given, but fails
> with the -p or -t argument.

In my radar, perf/urgent works tho, kinda made me lazy due to compound with
unrelated company work :-\ Need to fix that ASAP.

- Arnaldo
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