add exec wrapper after prefix_cmd

Now a possible prefixed loader (glibc) can execute shell scripts (perf).

1 files changed, 3 insertions, 1 deletions

diff --git a/src/benchmark.py b/src/benchmark.py
index 8ab9f2b..92e7b52 100644
--- a/src/benchmark.py
+++ b/src/benchmark.py
@@ -282,13 +282,15 @@ class Benchmark:
             if "cmd_prefix" in alloc:
                 prefix_argv = alloc["cmd_prefix"].format(**substitutions).split()
                 argv.extend(prefix_argv)
+                # add exec wrapper so that a possible prefixed loader can execute shell scripts
+                argv.append(f"{src.globalvars.builddir}/exec")
 
             if self.measure_cmd != "":
                 measure_argv = self.measure_cmd.format(**substitutions)
                 measure_argv = src.util.prefix_cmd_with_abspath(measure_argv).split()
                 argv.extend(measure_argv)
 
-            argv.extend([f"{src.globalvars.builddir}/exec"])
+            argv.append(f"{src.globalvars.builddir}/exec")
 
             ld_preload = f"{src.globalvars.builddir}/print_status_on_exit.so"
             ld_preload += f" {src.globalvars.builddir}/sig_handlers.so"