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/* 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);
}
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