6 files changed, 27 insertions, 0 deletions

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 3b24231c58a2..50377cc2f5f9 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -36,6 +36,7 @@ FEATURE_TESTS_BASIC :=                  \
         fortify-source                  \
         sync-compare-and-swap           \
         get_current_dir_name            \
+        gettid                          \
         glibc                           \
         gtk2                            \
         gtk2-infobar                    \
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 4b8244ee65ce..523ee42db0c8 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -54,6 +54,7 @@ FILES=                                          \
          test-get_cpuid.bin                     \
          test-sdt.bin                           \
          test-cxx.bin                           \
+         test-gettid.bin                        \
          test-jvmti.bin                         \
          test-jvmti-cmlr.bin                    \
          test-sched_getcpu.bin                  \
@@ -267,6 +268,9 @@ $(OUTPUT)test-sdt.bin:
 $(OUTPUT)test-cxx.bin:
         $(BUILDXX) -std=gnu++11
 
+$(OUTPUT)test-gettid.bin:
+        $(BUILD)
+
 $(OUTPUT)test-jvmti.bin:
         $(BUILD)
 
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index a59c53705093..3b3d5d72124a 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -38,6 +38,10 @@
 # include "test-get_current_dir_name.c"
 #undef main
 
+#define main main_test_gettid
+# include "test-gettid.c"
+#undef main
+
 #define main main_test_glibc
 # include "test-glibc.c"
 #undef main
@@ -195,6 +199,7 @@ int main(int argc, char *argv[])
         main_test_libelf();
         main_test_libelf_mmap();
         main_test_get_current_dir_name();
+        main_test_gettid();
         main_test_glibc();
         main_test_dwarf();
         main_test_dwarf_getlocations();
diff --git a/tools/build/feature/test-gettid.c b/tools/build/feature/test-gettid.c
new file mode 100644
index 000000000000..ef24e42d3f1b
--- /dev/null
+++ b/tools/build/feature/test-gettid.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+#define _GNU_SOURCE
+#include <unistd.h>
+
+int main(void)
+{
+        return gettid();
+}
+
+#undef _GNU_SOURCE
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 85fbcd265351..a6251e622c7e 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -332,6 +332,10 @@ ifeq ($(feature-get_current_dir_name), 1)
   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
 endif
 
+ifeq ($(feature-gettid), 1)
+  CFLAGS += -DHAVE_GETTID
+endif
+
 ifdef NO_LIBELF
   NO_DWARF := 1
   NO_DEMANGLE := 1
diff --git a/tools/perf/jvmti/jvmti_agent.c b/tools/perf/jvmti/jvmti_agent.c
index f7eb63cbbc65..88108598d6e9 100644
--- a/tools/perf/jvmti/jvmti_agent.c
+++ b/tools/perf/jvmti/jvmti_agent.c
@@ -45,10 +45,12 @@
 static char jit_path[PATH_MAX];
 static void *marker_addr;
 
+#ifndef HAVE_GETTID
 static inline pid_t gettid(void)
 {
         return (pid_t)syscall(__NR_gettid);
 }
+#endif
 
 static int get_e_machine(struct jitheader *hdr)
 {