From: Arnaldo Carvalho de Melo <a...@redhat.com>

We've had this in 'perf top' for quite a while, useful if one wishes
to force using /proc/kcore to do annotation using the patched kernel
instead of the ELF image it started from, aka vmlinux.

Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Andi Kleen <a...@linux.intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Jin Yao <yao....@linux.intel.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Wang Nan <wangn...@huawei.com>
Link: https://lkml.kernel.org/n/tip-ircpvox4wzsv7gasrpb28...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/Documentation/perf-report.txt | 3 +++
 tools/perf/builtin-report.c              | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/tools/perf/Documentation/perf-report.txt 
b/tools/perf/Documentation/perf-report.txt
index cba16d8a970e..e1a660e60849 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -296,6 +296,9 @@ OPTIONS
 --vmlinux=<file>::
         vmlinux pathname
 
+--ignore-vmlinux::
+       Ignore vmlinux files.
+
 --kallsyms=<file>::
         kallsyms pathname
 
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1a82f38671a8..0f198f6d9b77 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1018,6 +1018,8 @@ int cmd_report(int argc, const char **argv)
        OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks 
memory maps"),
        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", &symbol_conf.force, "don't complain, do it"),
-- 
2.14.3

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