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Update bench-code for addressing CI problem

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Unit test code is in test-xbzrle.c, and benchmark code is in xbzrle-bench.c
for performance benchmarking. we have modified xbzrle-bench.c to address
CI problem.

Signed-off-by: ling xu <ling1.xu@intel.com>
Co-authored-by: Zhou Zhao <zhou.zhao@intel.com>
Co-authored-by: Jun Jin <jun.i.jin@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
ling xu 2022-11-16 23:29:23 +08:00 • committed by Juan Quintela
parent 04ffce137b
commit cc98c9fd5c
3 changed files with 509 additions and 5 deletions
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39
tests/unit/test-xbzrle.c
View file

@ -16,6 +16,35 @@
#define XBZRLE_PAGE_SIZE 4096
int (*xbzrle_encode_buffer_func)(uint8_t *, uint8_t *, int,
uint8_t *, int) = xbzrle_encode_buffer;
#if defined(CONFIG_AVX512BW_OPT)
#include "qemu/cpuid.h"
static void __attribute__((constructor)) init_cpu_flag(void)
{
unsigned max = __get_cpuid_max(0, NULL);
int a, b, c, d;
if (max >= 1) {
__cpuid(1, a, b, c, d);
/* We must check that AVX is not just available, but usable. */
if ((c & bit_OSXSAVE) && (c & bit_AVX) && max >= 7) {
int bv;
__asm("xgetbv" : "=a"(bv), "=d"(d) : "c"(0));
__cpuid_count(7, 0, a, b, c, d);
/* 0xe6:
* XCR0[7:5] = 111b (OPMASK state, upper 256-bit of ZMM0-ZMM15
* and ZMM16-ZMM31 state are enabled by OS)
* XCR0[2:1] = 11b (XMM state and YMM state are enabled by OS)
*/
if ((bv & 0xe6) == 0xe6 && (b & bit_AVX512BW)) {
xbzrle_encode_buffer_func = xbzrle_encode_buffer_avx512;
}
}
}
return ;
}
#endif
static void test_uleb(void)
{
uint32_t i, val;
@ -54,7 +83,7 @@ static void test_encode_decode_zero(void)
buffer[1000 + diff_len + 5] = 105;
/* encode zero page */
dlen = xbzrle_encode_buffer(buffer, buffer, XBZRLE_PAGE_SIZE, compressed,
dlen = xbzrle_encode_buffer_func(buffer, buffer, XBZRLE_PAGE_SIZE, compressed,
XBZRLE_PAGE_SIZE);
g_assert(dlen == 0);
@ -78,7 +107,7 @@ static void test_encode_decode_unchanged(void)
test[1000 + diff_len + 5] = 109;
/* test unchanged buffer */
dlen = xbzrle_encode_buffer(test, test, XBZRLE_PAGE_SIZE, compressed,
dlen = xbzrle_encode_buffer_func(test, test, XBZRLE_PAGE_SIZE, compressed,
XBZRLE_PAGE_SIZE);
g_assert(dlen == 0);
@ -96,7 +125,7 @@ static void test_encode_decode_1_byte(void)
test[XBZRLE_PAGE_SIZE - 1] = 1;
dlen = xbzrle_encode_buffer(buffer, test, XBZRLE_PAGE_SIZE, compressed,
dlen = xbzrle_encode_buffer_func(buffer, test, XBZRLE_PAGE_SIZE, compressed,
XBZRLE_PAGE_SIZE);
g_assert(dlen == (uleb128_encode_small(&buf[0], 4095) + 2));
@ -121,7 +150,7 @@ static void test_encode_decode_overflow(void)
}
/* encode overflow */
rc = xbzrle_encode_buffer(buffer, test, XBZRLE_PAGE_SIZE, compressed,
rc = xbzrle_encode_buffer_func(buffer, test, XBZRLE_PAGE_SIZE, compressed,
XBZRLE_PAGE_SIZE);
g_assert(rc == -1);
@ -152,7 +181,7 @@ static void encode_decode_range(void)
test[1000 + diff_len + 5] = 109;
/* test encode/decode */
dlen = xbzrle_encode_buffer(test, buffer, XBZRLE_PAGE_SIZE, compressed,
dlen = xbzrle_encode_buffer_func(test, buffer, XBZRLE_PAGE_SIZE, compressed,
XBZRLE_PAGE_SIZE);
rc = xbzrle_decode_buffer(compressed, dlen, test, XBZRLE_PAGE_SIZE);