Re: [PATCH 3/3] perf inject: Add vmlinux and ignore-vmlinux arguments

From: Denis Nikitin
Date: Sat Nov 06 2021 - 00:19:29 EST


On Mon, Oct 18, 2021 at 6:49 AM James Clark <james.clark@xxxxxxx> wrote:
>
> Other perf tools allow specifying the path to vmlinux. Perf inject
> didn't have this argument which made some auxtrace workflows difficult.
>
> Also add ignore-vmlinux for consistency with other tools.
>
> Suggested-by: Denis Nitikin <denik@xxxxxxxxxxxx>
> Signed-off-by: James Clark <james.clark@xxxxxxx>
> ---
> tools/perf/builtin-inject.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
> index 6ad191e731fc..4261ad89730f 100644
> --- a/tools/perf/builtin-inject.c
> +++ b/tools/perf/builtin-inject.c
> @@ -938,6 +938,10 @@ int cmd_inject(int argc, const char **argv)
> #endif
> OPT_INCR('v', "verbose", &verbose,
> "be more verbose (show build ids, etc)"),
> + OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
> + "file", "vmlinux pathname"),
> + OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
> + "don't load vmlinux even if found"),

I think we also need to update documentation at Documentation/perf-inject.txt

> OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file",
> "kallsyms pathname"),
> OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
> @@ -972,6 +976,9 @@ int cmd_inject(int argc, const char **argv)
> return -1;
> }
>
> + if (symbol__validate_sym_arguments())
> + return -1;
> +
> if (inject.in_place_update) {
> if (!strcmp(inject.input_name, "-")) {
> pr_err("Input file name required for in-place updating\n");
> --
> 2.28.0
>

Tested-by: Denis Nikitin <denik@xxxxxxxxxxxx>