Thread (20 messages) 20 messages, 2 authors, 2023-01-24

Re: [PATCH v2 8/9] perf jevents: Generate metrics and events as separate tables

From: Ian Rogers <irogers@google.com>
Date: 2023-01-24 04:49:42
Also in: linux-arm-kernel, linux-perf-users, lkml

On Mon, Jan 23, 2023 at 7:18 AM John Garry [off-list ref] wrote:
On 21/12/2022 22:34, Ian Rogers wrote:
quoted
Turn a perf json event into an event, metric or both. This reduces the
number of events needed to scan to find an event or metric. As events
no longer need the relatively seldom used metric fields, 4 bytes is
saved per event. This reduces the big C string's size by 335kb (14.8%)
on x86.

Signed-off-by: Ian Rogers<irogers@google.com>
It would have been good to show an example of how the output changes. I
could not apply the series (see cover), and knowing what to expect makes
reviewing the code easier...

Thanks,
John
Thanks, will add in v3.

Ian
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