perf trace beauty: renameat's newdirfd may also be AT_FDCWD

Noticed while working on renameat2.

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-8omchrcjcvlwoxxv6wrjehfh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 4b3f840..a14ee4e 100644 (file)
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -798,7 +798,8 @@ static struct syscall_fmt {
        { .name     = "recvmsg",
          .arg = { [2] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, },
        { .name     = "renameat",
-         .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, },
+         .arg = { [0] = { .scnprintf = SCA_FDAT, /* olddirfd */ },
+                  [2] = { .scnprintf = SCA_FDAT, /* newdirfd */ }, }, },
        { .name     = "renameat2",
          .arg = { [0] = { .scnprintf = SCA_FDAT, /* olddirfd */ },
                   [2] = { .scnprintf = SCA_FDAT, /* newdirfd */ },