Re: [PATCH v2 4/4] perf script: enable printing of branch stack
From: Andi Kleen
Date: Mon Aug 31 2015 - 13:08:13 EST
Andi Kleen <ak@xxxxxxxxxxxxxxx> writes:
>> $ perf script -F ip,brstack
>> 5d3000 0x401aa0/0x5d2000/M/-/-/-/0 ...
>> $ perf script -F ip,brstacksym
>> 4011e0 noploop+0x0/noploop+0x0/P/-/-/0
> That's a weird format that's hard to parse with standard tools like
> awk, and also for humans. How about separating with spaces?
Also can you include the number of the LBR in the branch record?
That can be useful sometimes.
BTW I haven't checked, but it would be also good to make sure
the print order is the same as program order (perf stores
the LBRs reversed)
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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