perf report: Fix misleading help message about --demangle

The wrong help message may mislead users. This commit fixes it.

Fixes: 328ccdace8855289 ("perf report: Add --no-demangle option")
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Jiachen Zhang <me@jcix.top>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250109152220.1869581-1-me@jcix.top
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index e5478082845ccfb998eba01cbdffc633737ebd6e..f5fbd670d619a32ac320979c9963c47cb3b50670 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1420,7 +1420,7 @@ int cmd_report(int argc, const char **argv)
        OPT_STRING(0, "addr2line", &addr2line_path, "path",
                   "addr2line binary to use for line numbers"),
        OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
-                   "Disable symbol demangling"),
+                   "Symbol demangling. Enabled by default, use --no-demangle to disable."),
        OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
                    "Enable kernel symbol demangling"),
        OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),