1 files changed, 3 insertions, 1 deletions

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index f43b0c6f88f4..efca81679bb3 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2031,7 +2031,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
                      "Set the maximum stack depth when parsing the callchain, "
                      "anything beyond the specified depth will be ignored. "
-                     "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
+                     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
         OPT_BOOLEAN('I', "show-info", &show_full_info,
                     "display extended information from perf.data file"),
         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
@@ -2067,6 +2067,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
                 NULL
         };
 
+        scripting_max_stack = sysctl_perf_event_max_stack;
+
         setup_scripting();
 
         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,