vppinfra: add perf testing to test_vector_func

Type: improvement
Change-Id: I7aacd58d113c13036c15655817400032dd8d1932
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 69 insertions, 4 deletions

diff --git a/src/vppinfra/vector/test/test.h b/src/vppinfra/vector/test/test.h
index bc499fb24e8..02169c1d6de 100644
--- a/src/vppinfra/vector/test/test.h
+++ b/src/vppinfra/vector/test/test.h
@@ -6,20 +6,44 @@
 #define included_test_test_h
 
 #include <vppinfra/cpu.h>
+#ifdef __linux__
+#include <sys/ioctl.h>
+#include <linux/perf_event.h>
+#endif
 
 typedef clib_error_t *(test_fn_t) (clib_error_t *);
 
+struct test_perf_;
+typedef void (test_perf_fn_t) (int fd, struct test_perf_ *tp);
+
+typedef struct test_perf_
+{
+  u64 n_ops;
+  u64 arg0;
+  char *op_name;
+  char *name;
+  test_perf_fn_t *fn;
+} test_perf_t;
+
 typedef struct test_registration_
 {
   char *name;
   u8 multiarch : 1;
   test_fn_t *fn;
+  test_perf_t *perf_tests;
+  u32 n_perf_tests;
   struct test_registration_ *next;
 } test_registration_t;
 
-extern test_registration_t *test_registrations[CLIB_MARCH_TYPE_N_VARIANTS];
+typedef struct
+{
+  test_registration_t *registrations[CLIB_MARCH_TYPE_N_VARIANTS];
+  u32 repeat;
+} test_main_t;
+extern test_main_t test_main;
 
-#define __clib_test_fn static __clib_noinline __clib_section (".test_wrapper")
+#define __test_funct_fn static __clib_noinline __clib_section (".test_func")
+#define __test_perf_fn	static __clib_noinline __clib_section (".test_perf")
 
 #define REGISTER_TEST(x)                                                      \
   test_registration_t CLIB_MARCH_SFX (__test_##x);                            \
@@ -27,9 +51,50 @@ extern test_registration_t *test_registrations[CLIB_MARCH_TYPE_N_VARIANTS];
     void)                                                                     \
   {                                                                           \
     test_registration_t *r = &CLIB_MARCH_SFX (__test_##x);                    \
-    r->next = test_registrations[CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE)];   \
-    test_registrations[CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE)] = r;         \
+    r->next =                                                                 \
+      test_main.registrations[CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE)];      \
+    test_main.registrations[CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE)] = r;    \
   }                                                                           \
   test_registration_t CLIB_MARCH_SFX (__test_##x)
 
+#define PERF_TESTS(...)                                                       \
+  (test_perf_t[])                                                             \
+  {                                                                           \
+    __VA_ARGS__, {}                                                           \
+  }
+
+static_always_inline void
+test_perf_event_ioctl (int fd, u32 req)
+{
+#ifdef __x86_64__
+  asm inline("syscall"
+	     :
+	     : "D"(fd), "S"(req), "a"(__NR_ioctl), "d"(PERF_IOC_FLAG_GROUP)
+	     : "rcx", "r11" /* registers modified by kernel */);
+#else
+  ioctl (fd, req, PERF_IOC_FLAG_GROUP);
+#endif
+}
+
+static_always_inline void
+test_perf_event_reset (int fd)
+{
+  test_perf_event_ioctl (fd, PERF_EVENT_IOC_RESET);
+}
+static_always_inline void
+test_perf_event_enable (int fd)
+{
+  test_perf_event_ioctl (fd, PERF_EVENT_IOC_ENABLE);
+}
+static_always_inline void
+test_perf_event_disable (int fd)
+{
+  test_perf_event_ioctl (fd, PERF_EVENT_IOC_DISABLE);
+}
+
+void *test_mem_alloc (uword size);
+void *test_mem_alloc_and_fill_inc_u8 (uword size, u8 start, u8 mask);
+void *test_mem_alloc_and_splat (uword elt_size, uword n_elts, void *elt);
+void test_mem_free (void *p);
+
 #endif