[tip:perf/core] perf trace beauty: renameat's newdirfd may also be AT_FDCWD

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  436651caa1ca3fd1d61e8daaff57453881f35a14
Gitweb:     https://git.kernel.org/tip/436651caa1ca3fd1d61e8daaff57453881f35a14
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 11 Dec 2018 11:19:23 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 18 Dec 2018 12:23:56 -0300

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

Noticed while working on renameat2.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Link: https://lkml.kernel.org/n/tip-8omchrcjcvlwoxxv6wrjehfh@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/builtin-trace.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 4b3f8407f8d5..a14ee4ed2c9f 100644
--- 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 */ },