strace_groups_dir 3914 tools/perf/builtin-trace.c char *strace_groups_dir = system_path(STRACE_GROUPS_DIR); strace_groups_dir 3918 tools/perf/builtin-trace.c if (strace_groups_dir == NULL) strace_groups_dir 3942 tools/perf/builtin-trace.c path__join(group_name, sizeof(group_name), strace_groups_dir, s); strace_groups_dir 3965 tools/perf/builtin-trace.c .dirname = strace_groups_dir,