perf inject: Add vmlinux and ignore-vmlinux arguments

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 Nikitin <[e-mail]>
Signed-off-by: James Clark <[e-mail]>
Tested-by: Denis Nikitin <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
[ Added the perf-inject man page entries for these options, as noted by Denis ]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/Documentation/perf-inject.txt

···
 	tasks slept. sched_switch contains a callchain where a task slept and
 	sched_stat contains a timeslice how long a task slept.
 
+-k::
+--vmlinux=<file>::
+        vmlinux pathname
+
+--ignore-vmlinux::
+	Ignore vmlinux files.
+
 --kallsyms=<file>::
 	kallsyms pathname
 

tools/perf/builtin-inject.c

···
 #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"),
 		OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file",
 			   "kallsyms pathname"),
 		OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
···
 		pr_err("--strip option requires --itrace option\n");
 		return -1;
 	}
+
+	if (symbol__validate_sym_arguments())
+		return -1;
 
 	if (inject.in_place_update) {
 		if (!strcmp(inject.input_name, "-")) {