On Thu, Aug 29, 2024 at 8:02 AM Ian Rogers <irogers@google.com> wrote:
>
> Perf inject tried to repipe the header, but this isn't possible if the
> input is a pipe and the output a file, as the attributes are events in
> pipe mode. Add an ability to write the attributes after the data so
> writing the header doesn't need a possibly too large or small region
> reserved for the attributes. Add testing for the case of a pipe mode
> file on disk, add checks that the perf file's header isn't obviously
> corrupt by having the header, data or attribute sections overlap. Add
> more comments.
>
> Ian Rogers (8):
> perf report: Name events in stats for pipe mode
> perf session: Document struct and constify auxtrace
> perf header: Add kerneldoc to perf_file_header
> perf header: Fail read if header sections overlap
> perf header: Allow attributes to be written after data
> perf inject: Overhaul handling of pipe files
> perf header: Remove repipe option
> perf test: Additional pipe tests with pipe output written to a file
Sorry, patch 1 was a resend of a patch merged yesterday. Please ignore.
Thanks,
Ian
> tools/perf/builtin-inject.c | 60 +++++------
> tools/perf/builtin-report.c | 1 +
> tools/perf/tests/shell/pipe_test.sh | 26 +++++
> tools/perf/util/header.c | 151 +++++++++++++++++-----------
> tools/perf/util/header.h | 21 +++-
> tools/perf/util/session.c | 12 +--
> tools/perf/util/session.h | 52 +++++++++-
> 7 files changed, 223 insertions(+), 100 deletions(-)
>
> --
> 2.46.0.295.g3b9ea8a38a-goog
>