perf beauty mmap: Print mmap's 'offset' arg in hexadecimal
authorArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 18 Dec 2018 14:25:08 +0000 (11:25 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 18 Dec 2018 19:15:20 +0000 (16:15 -0300)
Also to make it match 'strace' output, for regression testing.

Both now produce this option, when 'perf trace' uses a .perfconfig
asking for the strace like output:

  mmap(0x7faf66e6a000, 1363968, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22000) = 0x7faf66e6a000

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-27qhouo1kaac2iyl85nfnsf5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-trace.c

index 2cc62ca..ebde59e 100644 (file)
@@ -756,7 +756,8 @@ static struct syscall_fmt {
        .alias = "old_mmap",
 #endif
          .arg = { [2] = { .scnprintf = SCA_MMAP_PROT,  /* prot */ },
-                  [3] = { .scnprintf = SCA_MMAP_FLAGS, /* flags */ }, }, },
+                  [3] = { .scnprintf = SCA_MMAP_FLAGS, /* flags */ },
+                  [5] = { .scnprintf = SCA_HEX,        /* offset */ }, }, },
        { .name     = "mount",
          .arg = { [0] = { .scnprintf = SCA_FILENAME, /* dev_name */ },
                   [3] = { .scnprintf = SCA_MOUNT_FLAGS, /* flags */