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-rw-r--r--tools/perf/util/header.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 3a6d20443330..74ea3c2f8138 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -174,6 +174,15 @@ perf_header__set_cmdline(int argc, const char **argv)
{
int i;
+ /*
+ * If header_argv has already been set, do not override it.
+ * This allows a command to set the cmdline, parse args and
+ * then call another builtin function that implements a
+ * command -- e.g, cmd_kvm calling cmd_record.
+ */
+ if (header_argv)
+ return 0;
+
header_argc = (u32)argc;
/* do not include NULL termination */