17 #include "kmp_wrapper_getpid.h" 20 static const char *unknown =
"unknown";
22 #if KMP_ARCH_X86 || KMP_ARCH_X86_64 29 static int trace_level = 5;
36 int __kmp_get_physical_id(
int log_per_phy,
int apic_id) {
37 int index_lsb, index_msb, temp;
39 if (log_per_phy > 1) {
44 while ((temp & 1) == 0) {
50 while ((temp & 0x80000000) == 0) {
56 if (index_lsb != index_msb)
59 return ((
int)(apic_id >> index_msb));
70 int __kmp_get_logical_id(
int log_per_phy,
int apic_id) {
79 for (current_bit = 1; log_per_phy != 0; current_bit <<= 1) {
80 if (log_per_phy & current_bit) {
81 log_per_phy &= ~current_bit;
91 return ((
int)((current_bit - 1) & apic_id));
94 static kmp_uint64 __kmp_parse_frequency(
100 kmp_uint64 result = 0;
102 if (frequency == NULL) {
105 value = strtod(frequency, &unit);
108 if (strcmp(unit,
"MHz") == 0) {
109 value = value * 1.0E+6;
110 }
else if (strcmp(unit,
"GHz") == 0) {
111 value = value * 1.0E+9;
112 }
else if (strcmp(unit,
"THz") == 0) {
113 value = value * 1.0E+12;
123 void __kmp_query_cpuid(kmp_cpuinfo_t *p) {
124 struct kmp_cpuid buf;
135 __kmp_x86_cpuid(0, 0, &buf);
137 KA_TRACE(trace_level,
138 (
"INFO: CPUID %d: EAX=0x%08X EBX=0x%08X ECX=0x%08X EDX=0x%08X\n", 0,
139 buf.eax, buf.ebx, buf.ecx, buf.edx));
147 kmp_uint32 t, data[4];
149 __kmp_x86_cpuid(1, 0, &buf);
150 KA_TRACE(trace_level,
151 (
"INFO: CPUID %d: EAX=0x%08X EBX=0x%08X ECX=0x%08X EDX=0x%08X\n",
152 1, buf.eax, buf.ebx, buf.ecx, buf.edx));
155 #define get_value(reg, lo, mask) (((reg) >> (lo)) & (mask)) 157 p->signature = buf.eax;
158 p->family = get_value(buf.eax, 20, 0xff) + get_value(buf.eax, 8, 0x0f);
160 (get_value(buf.eax, 16, 0x0f) << 4) + get_value(buf.eax, 4, 0x0f);
161 p->stepping = get_value(buf.eax, 0, 0x0f);
165 KA_TRACE(trace_level, (
" family = %d, model = %d, stepping = %d\n",
166 p->family, p->model, p->stepping));
169 for (t = buf.ebx, i = 0; i < 4; t >>= 8, ++i) {
170 data[i] = (t & 0xff);
173 p->sse2 = (buf.edx >> 26) & 1;
177 if ((buf.edx >> 4) & 1) {
179 KA_TRACE(trace_level, (
" TSC"));
181 if ((buf.edx >> 8) & 1) {
183 KA_TRACE(trace_level, (
" CX8"));
185 if ((buf.edx >> 9) & 1) {
187 KA_TRACE(trace_level, (
" APIC"));
189 if ((buf.edx >> 15) & 1) {
191 KA_TRACE(trace_level, (
" CMOV"));
193 if ((buf.edx >> 18) & 1) {
195 KA_TRACE(trace_level, (
" PSN"));
197 if ((buf.edx >> 19) & 1) {
201 KA_TRACE(trace_level, (
" CLFLUSH(%db)", cflush_size));
203 if ((buf.edx >> 21) & 1) {
205 KA_TRACE(trace_level, (
" DTES"));
207 if ((buf.edx >> 22) & 1) {
209 KA_TRACE(trace_level, (
" ACPI"));
211 if ((buf.edx >> 23) & 1) {
213 KA_TRACE(trace_level, (
" MMX"));
215 if ((buf.edx >> 25) & 1) {
217 KA_TRACE(trace_level, (
" SSE"));
219 if ((buf.edx >> 26) & 1) {
221 KA_TRACE(trace_level, (
" SSE2"));
223 if ((buf.edx >> 27) & 1) {
225 KA_TRACE(trace_level, (
" SLFSNP"));
229 if ((buf.edx >> 28) & 1) {
231 log_per_phy = data[2];
232 p->apic_id = data[3];
233 KA_TRACE(trace_level, (
" HT(%d TPUs)", log_per_phy));
235 if (log_per_phy > 1) {
238 p->cpu_stackoffset = 4 * 1024;
240 p->cpu_stackoffset = 1 * 1024;
244 p->physical_id = __kmp_get_physical_id(log_per_phy, p->apic_id);
245 p->logical_id = __kmp_get_logical_id(log_per_phy, p->apic_id);
248 if ((buf.edx >> 29) & 1) {
250 KA_TRACE(trace_level, (
" ATHROTL"));
252 KA_TRACE(trace_level, (
" ]\n"));
254 for (i = 2; i <= max_arg; ++i) {
255 __kmp_x86_cpuid(i, 0, &buf);
256 KA_TRACE(trace_level,
257 (
"INFO: CPUID %d: EAX=0x%08X EBX=0x%08X ECX=0x%08X EDX=0x%08X\n",
258 i, buf.eax, buf.ebx, buf.ecx, buf.edx));
261 #if KMP_USE_ADAPTIVE_LOCKS 265 __kmp_x86_cpuid(7, 0, &buf);
266 p->rtm = (buf.ebx >> 11) & 1;
267 KA_TRACE(trace_level, (
" RTM"));
274 kmp_cpuid_t *base = (kmp_cpuid_t *)&p->name[0];
277 for (i = 0; i < 3; ++i) {
278 __kmp_x86_cpuid(0x80000002 + i, 0, base + i);
280 p->name[
sizeof(p->name) - 1] = 0;
281 KA_TRACE(trace_level, (
"cpu brand string: \"%s\"\n", &p->name[0]));
284 p->frequency = __kmp_parse_frequency(strrchr(&p->name[0],
' '));
285 KA_TRACE(trace_level,
286 (
"cpu frequency from brand string: %" KMP_UINT64_SPEC
"\n",
293 void __kmp_expand_host_name(
char *buffer,
size_t size) {
294 KMP_DEBUG_ASSERT(size >=
sizeof(unknown));
299 if (!GetComputerNameA(buffer, &s))
300 KMP_STRCPY_S(buffer, size, unknown);
303 buffer[size - 2] = 0;
304 if (gethostname(buffer, size) || buffer[size - 2] != 0)
305 KMP_STRCPY_S(buffer, size, unknown);
316 void __kmp_expand_file_name(
char *result,
size_t rlen,
char *pattern) {
317 char *pos = result, *end = result + rlen - 1;
319 int default_cpu_width = 1;
322 KMP_DEBUG_ASSERT(rlen > 0);
326 for (i = __kmp_xproc; i >= 10; i /= 10, ++default_cpu_width)
330 if (pattern != NULL) {
331 while (*pattern !=
'\0' && pos < end) {
332 if (*pattern !=
'%') {
335 char *old_pattern = pattern;
337 int cpu_width = default_cpu_width;
341 if (*pattern >=
'0' && *pattern <=
'9') {
344 width = (width * 10) + *pattern++ -
'0';
345 }
while (*pattern >=
'0' && *pattern <=
'9');
346 if (width < 0 || width > 1024)
355 __kmp_expand_host_name(buffer,
sizeof(buffer));
356 KMP_STRNCPY(pos, buffer, end - pos + 1);
366 snp_result = KMP_SNPRINTF(pos, end - pos + 1,
"%0*d", cpu_width,
367 __kmp_dflt_team_nth);
368 if (snp_result >= 0 && snp_result <= end - pos) {
378 snp_result = KMP_SNPRINTF(pos, end - pos + 1,
"%0*d", width,
id);
379 if (snp_result >= 0 && snp_result <= end - pos) {
394 pattern = old_pattern + 1;
401 if (*pattern !=
'\0')
402 KMP_FATAL(FileNameTooLong);