perf trace: Associate more argument names with the filename beautifier
authorArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 5 Jun 2019 13:53:06 +0000 (10:53 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 5 Jun 2019 13:53:06 +0000 (10:53 -0300)
For instance, the rename* family uses "oldname", "newname", so check if
"name" is at the end and treat it as a filename.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-wjy7j4bk06g7atzwoz1mid24@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-trace.c

index 905e57c336b0024648acd5e1eb1bffb3179d47eb..f7e4e50bddbd7fbbdaf9ca8d1bd3f7e50b16faca 100644 (file)
@@ -1431,10 +1431,11 @@ static int syscall__set_arg_fmts(struct syscall *sc)
                if (sc->fmt && sc->fmt->arg[idx].scnprintf)
                        continue;
 
+               len = strlen(field->name);
+
                if (strcmp(field->type, "const char *") == 0 &&
-                        (strcmp(field->name, "filename") == 0 ||
-                         strcmp(field->name, "path") == 0 ||
-                         strcmp(field->name, "pathname") == 0))
+                   ((len >= 4 && strcmp(field->name + len - 4, "name") == 0) ||
+                    strstr(field->name, "path") != NULL))
                        sc->arg_fmt[idx].scnprintf = SCA_FILENAME;
                else if ((field->flags & TEP_FIELD_IS_POINTER) || strstr(field->name, "addr"))
                        sc->arg_fmt[idx].scnprintf = SCA_PTR;
@@ -1445,8 +1446,7 @@ static int syscall__set_arg_fmts(struct syscall *sc)
                else if ((strcmp(field->type, "int") == 0 ||
                          strcmp(field->type, "unsigned int") == 0 ||
                          strcmp(field->type, "long") == 0) &&
-                        (len = strlen(field->name)) >= 2 &&
-                        strcmp(field->name + len - 2, "fd") == 0) {
+                        len >= 2 && strcmp(field->name + len - 2, "fd") == 0) {
                        /*
                         * /sys/kernel/tracing/events/syscalls/sys_enter*
                         * egrep 'field:.*fd;' .../format|sed -r 's/.*field:([a-z ]+) [a-z_]*fd.+/\1/g'|sort|uniq -c