Re: [PATCH] perf jvmti: remove redundant jitdump line table entries

[Arnaldo Carvalho de Melo]

On May 27, 2020 2:29:05 AM GMT-03:00, Nick Gasson <nick.gasson@xxxxxxx> wrote:
>On 05/26/20 19:55 PM, Jiri Olsa wrote:
>> On Fri, May 22, 2020 at 02:53:30PM +0800, Nick Gasson wrote:
>>> For each PC/BCI pair in the JVMTI compiler inlining record table,
>the
>>> jitdump plugin emits debug line table entries for every source line
>in
>>> the method preceding that BCI. Instead only emit one source line per
>>> PC/BCI pair. Reported by Ian Rogers. This reduces the .dump size for
>>> SPECjbb from ~230MB to ~40MB.
>>> 
>>> Also fix an error in the DWARF line table state machine where
>addresses
>>> are incorrectly offset by -0x40 (GEN_ELF_TEXT_OFFSET). This can be
>seen
>>> with `objdump -S` on the ELF files after perf inject.
>>
>> hi,
>> I can't apply this on latest Arnaldo's perf/core:
>>
>> patching file jvmti/libjvmti.c
>> Hunk #1 FAILED at 32.
>> Hunk #2 succeeded at 67 (offset -4 lines).
>> Hunk #3 FAILED at 85.
>> Hunk #4 succeeded at 114 (offset -7 lines).
>>
>
>Sorry I based this on my earlier patch series below but I didn't
>realise
>that wasn't merged to perf/core yet. Could those patches be applied
>first? I believe Ian added a Reviewed-by for all three.
>
>https://lore.kernel.org/lkml/20200427061520.24905-3-nick.gasson@xxxxxxx/T/

I'll check, thanks
- Arnaldo

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