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fate: add informative cpu test

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libavutil/cpu-test prints raw and effective cpu flags to STDERR. Detected
cpu flags can be useful for debugging fate errors.

No comparison of the result against a expected result since that would
require fate config specific references.
This commit is contained in:
Janne Grunau 2014-01-30 13:48:35 +01:00
parent 6a463e7fb4
commit 07d8fa5812
2 changed files with 48 additions and 6 deletions
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49
libavutil/cpu.c
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@ -181,6 +181,10 @@ int av_cpu_count(void)
#include <stdio.h>
#if !HAVE_GETOPT
#include "compat/getopt.c"
#endif
static const struct {
int flag;
const char *name;
@ -224,17 +228,50 @@ static const struct {
{ 0 }
};
int main(void)
static void print_cpu_flags(int cpu_flags, const char *type)
{
int cpu_flags = av_get_cpu_flags();
int i;
printf("cpu_flags = 0x%08X\n", cpu_flags);
printf("cpu_flags =");
fprintf(stderr, "cpu_flags(%s) = 0x%08X\n", type, cpu_flags);
fprintf(stderr, "cpu_flags_str(%s) =", type);
for (i = 0; cpu_flag_tab[i].flag; i++)
if (cpu_flags & cpu_flag_tab[i].flag)
printf(" %s", cpu_flag_tab[i].name);
printf("\n");
fprintf(stderr, " %s", cpu_flag_tab[i].name);
fprintf(stderr, "\n");
}
int main(int argc, char **argv)
{
int cpu_flags_raw = av_get_cpu_flags();
int cpu_flags_eff;
if (cpu_flags_raw < 0)
return 1;
for (;;) {
int c = getopt(argc, argv, "c:");
if (c == -1)
break;
switch (c) {
case 'c':
{
int cpuflags = av_parse_cpu_flags(optarg);
if (cpuflags < 0)
return 2;
av_set_cpu_flags_mask(cpuflags);
break;
}
}
}
cpu_flags_eff = av_get_cpu_flags();
if (cpu_flags_eff < 0)
return 3;
print_cpu_flags(cpu_flags_raw, "raw");
print_cpu_flags(cpu_flags_eff, "effective");
return 0;
}

5
tests/fate/libavutil.mak
View File

@ -25,6 +25,11 @@ FATE_LIBAVUTIL += fate-blowfish
fate-blowfish: libavutil/blowfish-test$(EXESUF)
fate-blowfish: CMD = run libavutil/blowfish-test
FATE_LIBAVUTIL += fate-cpu
fate-cpu: libavutil/cpu-test$(EXESUF)
fate-cpu: CMD = run libavutil/cpu-test $(CPUFLAGS:%=-c%)
fate-cpu: REF = /dev/null
FATE_LIBAVUTIL += fate-crc
fate-crc: libavutil/crc-test$(EXESUF)
fate-crc: CMD = run libavutil/crc-test