Re: [PATCH v2 1/3] perf tools: Fix dso__data_read_offset() file opening

From: Adrian Hunter
Date: Thu May 21 2015 - 03:05:55 EST


On 20/05/15 19:03, Namhyung Kim wrote:
> When dso__data_read_offset/addr() is called without prior
> dso__data_fd() (or other functions which call it internally), it
> failed to open dso in data_file_size() since its binary type was not
> identified.
>
> However calling dso__data_fd() in dso__data_read_offset() will hurt
> performance as it grabs a global lock everytime. So factor out the
> loop on the binary type in dso__data_fd(), and call it from both.
>
> Reported-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

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