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

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2018-12-20 18:04 UTC #0 lore raw

Commit-ID:  436651caa1ca3fd1d61e8daaff57453881f35a14
Gitweb:     https://git.kernel.org/tip/436651caa1ca3fd1d61e8daaff57453881f35a14
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Tue, 11 Dec 2018 11:19:23 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
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 <[email protected]>

Cc Jiri Olsa <[email protected]>

Cc Namhyung Kim <[email protected]>

Link https://lkml.kernel.org/n/[email protected] open here

Signed-off-by Arnaldo Carvalho de Melo <[email protected]>

---
 tools/perf/builtin-trace.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

tools/perf/builtin-trace.c +2 -1

index 4b3f8407f8d5..a14ee4ed2c9f 100644
@@ -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 */ },