diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 41ab524e128b724b89ec0ddf31f6bab0519d2f69..4b03f66b173564c10140dd96e26e6f3e3d504085 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -60,6 +60,7 @@ #include #include #include +#include #include "sane_ctype.h" @@ -959,6 +960,7 @@ static size_t fprintf_duration(unsigned long t, bool calculated, FILE *fp) struct file { char *pathname; + int dev_maj; }; /** @@ -1068,6 +1070,9 @@ static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pat struct file *file = thread_trace__files_entry(ttrace, fd); if (file != NULL) { + struct stat st; + if (stat(pathname, &st) == 0) + file->dev_maj = major(st.st_rdev); file->pathname = strdup(pathname); if (file->pathname) return 0;