Messages in this thread | | | Date | Tue, 16 Aug 2022 16:54:53 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH v4] perf inject: Add a command line option to specify build ids. |
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Em Mon, Aug 15, 2022 at 10:11:41PM -0700, Namhyung Kim escreveu: > Hello, > > On Mon, Aug 15, 2022 at 3:59 PM Raul Silvera <rsilvera@google.com> wrote: > > > > This commit adds the option --known-build-ids to perf inject. > > It allows the user to explicitly specify the build id for a given > > path, instead of retrieving it from the current system. This is > > useful in cases where a perf.data file is processed on a different > > system from where it was collected, or if some of the binaries are > > no longer available. > > > > The build ids and paths are specified in pairs in the command line. > > Using the file:// specifier, build ids can be loaded from a file > > directly generated by perf buildid-list. This is convenient to copy > > build ids from one perf.data file to another. > > > > ** Example: In this example we use perf record to create two > > perf.data files, one with build ids and another without, and use > > perf buildid-list and perf inject to copy the build ids from the > > first file to the second. > > > > $ perf record ls /tmp > > $ perf record --no-buildid -o perf.data.no-buildid ls /tmp > > $ perf buildid-list > build-ids.txt > > $ perf inject -b --known-build-ids='file://build-ids.txt' \ > > -i perf.data.no-buildid -o perf.data.buildid > > > > Signed-off-by: Raul Silvera <rsilvera@google.com> > > Acked-by: Namhyung Kim <namhyung@kernel.org>
Thanks, applied to perf/core.
- Arnaldo
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