Re: [PATCH 0/5] perf record: Preparation for sideband injection

Adrian Hunter
2022-06-23T09:33:05Z

On 10/06/22 14:33, Adrian Hunter wrote:
> Hi
>
> Here are some small patches in preparation for "sideband injection".
>
> I hope to run perf record in a virtual machine to capture sideband events
> while simulataneously running perf record with Intel PT on the host, and
> then subsequently inject the sideband events from the guest perf.data file
> into the host perf.data file, so that decoding can decode the Intel PT
> trace for the periods when the guest is running user space (kernel space
> is already decodable).
>
> The patches are changes I have found so far that will be needed.

Are there OK?

>
>
> Adrian Hunter (5):
> perf record: Always get text_poke events with --kcore option
> perf record: Always record id index
> perf record: Add new option to sample identifier
> perf record: Add finished init event
> perf script: Add some missing event dumps
>
> tools/lib/perf/include/perf/event.h | 1 +
> tools/perf/Documentation/perf-record.txt | 3 +++
> tools/perf/builtin-inject.c | 1 +
> tools/perf/builtin-record.c | 44 +++++++++++++++++++++++++++-----
> tools/perf/builtin-script.c | 6 +++++
> tools/perf/util/event.c | 1 +
> tools/perf/util/header.c | 3 +++
> tools/perf/util/record.c | 2 +-
> tools/perf/util/record.h | 1 +
> tools/perf/util/session.c | 4 +++
> tools/perf/util/synthetic-events.c | 7 +++--
> tools/perf/util/tool.h | 3 ++-
> 12 files changed, 65 insertions(+), 11 deletions(-)
>
>
> Regards
> Adrian