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-rw-r--r--src/vppinfra/test/test.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/src/vppinfra/test/test.c b/src/vppinfra/test/test.c
new file mode 100644
index 00000000000..15ea6fd2973
--- /dev/null
+++ b/src/vppinfra/test/test.c
@@ -0,0 +1,249 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright(c) 2021 Cisco Systems, Inc.
+ */
+
+#include <vppinfra/format.h>
+#include <vppinfra/test/test.h>
+#include <vppinfra/error.h>
+
+test_main_t test_main;
+
+int
+test_march_supported (clib_march_variant_type_t type)
+{
+#define _(s, n) \
+ if (CLIB_MARCH_VARIANT_TYPE_##s == type) \
+ return clib_cpu_march_priority_##s ();
+ foreach_march_variant
+#undef _
+ return 0;
+}
+
+clib_error_t *
+test_funct (test_main_t *tm)
+{
+ for (int i = 0; i < CLIB_MARCH_TYPE_N_VARIANTS; i++)
+ {
+ test_registration_t *r = tm->registrations[i];
+
+ if (r == 0 || test_march_supported (i) < 0)
+ continue;
+
+ fformat (stdout, "\nMultiarch Variant: %U\n", format_march_variant, i);
+ fformat (stdout,
+ "-------------------------------------------------------\n");
+ while (r)
+ {
+ clib_error_t *err;
+ if (tm->filter && strstr (r->name, (char *) tm->filter) == 0)
+ goto next;
+ err = (r->fn) (0);
+ fformat (stdout, "%-50s %s\n", r->name, err ? "FAIL" : "PASS");
+ if (err)
+ {
+ clib_error_report (err);
+ fformat (stdout, "\n");
+ }
+ next:
+ r = r->next;
+ }
+ }
+
+ fformat (stdout, "\n");
+ return 0;
+}
+
+#if 0
+static u8 *
+format_test_perf_bundle_core_power (u8 *s, va_list *args)
+{
+ test_perf_event_bundle_t __clib_unused *b =
+ va_arg (*args, test_perf_event_bundle_t *);
+ test_perf_t __clib_unused *tp = va_arg (*args, test_perf_t *);
+ u64 *data = va_arg (*args, u64 *);
+
+ if (data)
+ s = format (s, "%7.1f %%", (f64) 100 * data[1] / data[0]);
+ else
+ s = format (s, "%9s", "Level 0");
+
+ if (data)
+ s = format (s, "%8.1f %%", (f64) 100 * data[2] / data[0]);
+ else
+ s = format (s, "%9s", "Level 1");
+
+ if (data)
+ s = format (s, "%7.1f %%", (f64) 100 * data[3] / data[0]);
+ else
+ s = format (s, "%9s", "Level 2");
+
+ return s;
+}
+
+#ifdef __x86_64__
+#define PERF_INTEL_CODE(event, umask) ((event) | (umask) << 8)
+ ,
+ {
+ .name = "core-power",
+ .desc =
+ "Core cycles where the core was running under specific turbo schedule.",
+ .type = PERF_TYPE_RAW,
+ .config[0] = PERF_INTEL_CODE (0x3c, 0x00),
+ .config[1] = PERF_INTEL_CODE (0x28, 0x07),
+ .config[2] = PERF_INTEL_CODE (0x28, 0x18),
+ .config[3] = PERF_INTEL_CODE (0x28, 0x20),
+ .config[4] = PERF_INTEL_CODE (0x28, 0x40),
+ .n_events = 5,
+ .format_fn = format_test_perf_bundle_core_power,
+ }
+#endif
+};
+#endif
+
+#ifdef __linux__
+clib_error_t *
+test_perf (test_main_t *tm)
+{
+ clib_error_t *err = 0;
+ clib_perfmon_ctx_t _ctx, *ctx = &_ctx;
+
+ if ((err = clib_perfmon_init_by_bundle_name (
+ ctx, "%s", tm->bundle ? (char *) tm->bundle : "default")))
+ return err;
+
+ fformat (stdout, "Warming up...\n");
+ clib_perfmon_warmup (ctx);
+
+ for (int i = 0; i < CLIB_MARCH_TYPE_N_VARIANTS; i++)
+ {
+ test_registration_t *r = tm->registrations[i];
+
+ if (r == 0 || test_march_supported (i) < 0)
+ continue;
+
+ fformat (stdout, "\nMultiarch Variant: %U\n", format_march_variant, i);
+ fformat (stdout,
+ "-------------------------------------------------------\n");
+ while (r)
+ {
+ if (r->perf_tests)
+ {
+ test_perf_t *pt = r->perf_tests;
+ if (tm->filter && strstr (r->name, (char *) tm->filter) == 0)
+ goto next;
+
+ clib_perfmon_capture_group (ctx, "%s", r->name);
+ do
+ {
+ for (int i = 0; i < tm->repeat; i++)
+ {
+ pt->fd = ctx->group_fd;
+ clib_perfmon_reset (ctx);
+ pt->fn (pt);
+ clib_perfmon_capture (ctx, pt->n_ops, "%0s", pt->name);
+ }
+ }
+ while ((++pt)->fn);
+ }
+ next:
+ r = r->next;
+ }
+ fformat (stdout, "%U\n", format_perfmon_bundle, ctx);
+ clib_perfmon_clear (ctx);
+ }
+
+ clib_perfmon_free (ctx);
+ return err;
+}
+#endif
+
+int
+main (int argc, char *argv[])
+{
+ test_main_t *tm = &test_main;
+ unformat_input_t _i = {}, *i = &_i;
+ clib_mem_init (0, 64ULL << 20);
+ clib_error_t *err;
+ int perf = 0;
+
+ /* defaults */
+ tm->repeat = 3;
+
+ unformat_init_command_line (i, argv);
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "perf"))
+ perf = 1;
+ else if (unformat (i, "filter %s", &tm->filter))
+ ;
+ else if (unformat (i, "bundle %s", &tm->bundle))
+ ;
+ else if (unformat (i, "repeat %d", &tm->repeat))
+ ;
+ else
+ {
+ clib_warning ("unknown input '%U'", format_unformat_error, i);
+ exit (1);
+ }
+ }
+
+ if (perf)
+ err = test_perf (tm);
+ else
+ err = test_funct (tm);
+
+ if (err)
+ {
+ clib_error_report (err);
+ fformat (stderr, "\n");
+ return 1;
+ }
+ return 0;
+}
+
+void *
+test_mem_alloc (uword size)
+{
+ void *rv;
+ size = round_pow2 (size, CLIB_CACHE_LINE_BYTES);
+ rv = clib_mem_alloc_aligned (size, CLIB_CACHE_LINE_BYTES);
+ clib_memset_u8 (rv, 0, size);
+ return rv;
+}
+
+void *
+test_mem_alloc_and_fill_inc_u8 (uword size, u8 start, u8 mask)
+{
+ u8 *rv;
+ mask = mask ? mask : 0xff;
+ size = round_pow2 (size, CLIB_CACHE_LINE_BYTES);
+ rv = clib_mem_alloc_aligned (size, CLIB_CACHE_LINE_BYTES);
+ for (uword i = 0; i < size; i++)
+ rv[i] = ((u8) i + start) & mask;
+ return rv;
+}
+
+void *
+test_mem_alloc_and_splat (uword elt_size, uword n_elts, void *elt)
+{
+ u8 *rv, *e;
+ uword data_size = elt_size * n_elts;
+ uword alloc_size = round_pow2 (data_size, CLIB_CACHE_LINE_BYTES);
+ e = rv = clib_mem_alloc_aligned (alloc_size, CLIB_CACHE_LINE_BYTES);
+ while (e - rv < data_size)
+ {
+ clib_memcpy_fast (e, elt, elt_size);
+ e += elt_size;
+ }
+
+ if (data_size < alloc_size)
+ clib_memset_u8 (e, 0, alloc_size - data_size);
+ return rv;
+}
+
+void
+test_mem_free (void *p)
+{
+ clib_mem_free (p);
+}