1 files changed, 7 insertions, 0 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 9e23660d96eb..b2038fdefca1 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -22,13 +22,18 @@ static struct syscall_fmt {
         const char *alias;
         bool       errmsg;
         bool       timeout;
+        bool       hexret;
 } syscall_fmts[] = {
         { .name     = "access",     .errmsg = true, },
         { .name     = "arch_prctl", .errmsg = true, .alias = "prctl", },
+        { .name     = "brk",        .hexret = true, },
+        { .name     = "mmap",       .hexret = true, },
         { .name     = "connect",    .errmsg = true, },
         { .name     = "fstat",      .errmsg = true, .alias = "newfstat", },
         { .name     = "fstatat",    .errmsg = true, .alias = "newfstatat", },
         { .name     = "futex",      .errmsg = true, },
+        { .name     = "mmap",       .hexret = true, },
+        { .name     = "mremap",     .hexret = true, },
         { .name     = "open",       .errmsg = true, },
         { .name     = "poll",       .errmsg = true, .timeout = true, },
         { .name     = "ppoll",      .errmsg = true, .timeout = true, },
@@ -475,6 +480,8 @@ signed_print:
                 fprintf(trace->output, ") = -1 %s %s", e, emsg);
         } else if (ret == 0 && sc->fmt->timeout)
                 fprintf(trace->output, ") = 0 Timeout");
+        else if (sc->fmt->hexret)
+                fprintf(trace->output, ") = %#x", ret);
         else
                 goto signed_print;