16 #include "kmp_wrapper_getpid.h"
19 static const char *unknown =
"unknown";
21 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
28 static int trace_level = 5;
35 int __kmp_get_physical_id(
int log_per_phy,
int apic_id) {
36 int index_lsb, index_msb, temp;
38 if (log_per_phy > 1) {
43 while ((temp & 1) == 0) {
49 while ((temp & 0x80000000) == 0) {
55 if (index_lsb != index_msb)
58 return ((
int)(apic_id >> index_msb));
69 int __kmp_get_logical_id(
int log_per_phy,
int apic_id) {
78 for (current_bit = 1; log_per_phy != 0; current_bit <<= 1) {
79 if (log_per_phy & current_bit) {
80 log_per_phy &= ~current_bit;
90 return ((
int)((current_bit - 1) & apic_id));
93 static kmp_uint64 __kmp_parse_frequency(
99 kmp_uint64 result = 0;
101 if (frequency == NULL) {
104 value = strtod(frequency, &unit);
107 if (strcmp(unit,
"MHz") == 0) {
108 value = value * 1.0E+6;
109 }
else if (strcmp(unit,
"GHz") == 0) {
110 value = value * 1.0E+9;
111 }
else if (strcmp(unit,
"THz") == 0) {
112 value = value * 1.0E+12;
116 result = (kmp_uint64)value;
122 void __kmp_query_cpuid(kmp_cpuinfo_t *p) {
123 struct kmp_cpuid buf;
134 __kmp_x86_cpuid(0, 0, &buf);
136 KA_TRACE(trace_level,
137 (
"INFO: CPUID %d: EAX=0x%08X EBX=0x%08X ECX=0x%08X EDX=0x%08X\n", 0,
138 buf.eax, buf.ebx, buf.ecx, buf.edx));
146 kmp_uint32 t, data[4];
148 __kmp_x86_cpuid(1, 0, &buf);
149 KA_TRACE(trace_level,
150 (
"INFO: CPUID %d: EAX=0x%08X EBX=0x%08X ECX=0x%08X EDX=0x%08X\n",
151 1, buf.eax, buf.ebx, buf.ecx, buf.edx));
154 #define get_value(reg, lo, mask) (((reg) >> (lo)) & (mask))
156 p->signature = buf.eax;
157 p->family = get_value(buf.eax, 20, 0xff) + get_value(buf.eax, 8, 0x0f);
159 (get_value(buf.eax, 16, 0x0f) << 4) + get_value(buf.eax, 4, 0x0f);
160 p->stepping = get_value(buf.eax, 0, 0x0f);
164 KA_TRACE(trace_level, (
" family = %d, model = %d, stepping = %d\n",
165 p->family, p->model, p->stepping));
168 for (t = buf.ebx, i = 0; i < 4; t >>= 8, ++i) {
169 data[i] = (t & 0xff);
172 p->sse2 = (buf.edx >> 26) & 1;
176 if ((buf.edx >> 4) & 1) {
178 KA_TRACE(trace_level, (
" TSC"));
180 if ((buf.edx >> 8) & 1) {
182 KA_TRACE(trace_level, (
" CX8"));
184 if ((buf.edx >> 9) & 1) {
186 KA_TRACE(trace_level, (
" APIC"));
188 if ((buf.edx >> 15) & 1) {
190 KA_TRACE(trace_level, (
" CMOV"));
192 if ((buf.edx >> 18) & 1) {
194 KA_TRACE(trace_level, (
" PSN"));
196 if ((buf.edx >> 19) & 1) {
200 KA_TRACE(trace_level, (
" CLFLUSH(%db)", cflush_size));
202 if ((buf.edx >> 21) & 1) {
204 KA_TRACE(trace_level, (
" DTES"));
206 if ((buf.edx >> 22) & 1) {
208 KA_TRACE(trace_level, (
" ACPI"));
210 if ((buf.edx >> 23) & 1) {
212 KA_TRACE(trace_level, (
" MMX"));
214 if ((buf.edx >> 25) & 1) {
216 KA_TRACE(trace_level, (
" SSE"));
218 if ((buf.edx >> 26) & 1) {
220 KA_TRACE(trace_level, (
" SSE2"));
222 if ((buf.edx >> 27) & 1) {
224 KA_TRACE(trace_level, (
" SLFSNP"));
228 if ((buf.edx >> 28) & 1) {
230 log_per_phy = data[2];
231 p->apic_id = data[3];
232 KA_TRACE(trace_level, (
" HT(%d TPUs)", log_per_phy));
233 p->physical_id = __kmp_get_physical_id(log_per_phy, p->apic_id);
234 p->logical_id = __kmp_get_logical_id(log_per_phy, p->apic_id);
237 if ((buf.edx >> 29) & 1) {
239 KA_TRACE(trace_level, (
" ATHROTL"));
241 KA_TRACE(trace_level, (
" ]\n"));
243 for (i = 2; i <= max_arg; ++i) {
244 __kmp_x86_cpuid(i, 0, &buf);
245 KA_TRACE(trace_level,
246 (
"INFO: CPUID %d: EAX=0x%08X EBX=0x%08X ECX=0x%08X EDX=0x%08X\n",
247 i, buf.eax, buf.ebx, buf.ecx, buf.edx));
250 #if KMP_USE_ADAPTIVE_LOCKS
254 __kmp_x86_cpuid(7, 0, &buf);
255 p->rtm = (buf.ebx >> 11) & 1;
256 KA_TRACE(trace_level, (
" RTM"));
263 kmp_cpuid_t *base = (kmp_cpuid_t *)&p->name[0];
266 for (i = 0; i < 3; ++i) {
267 __kmp_x86_cpuid(0x80000002 + i, 0, base + i);
269 p->name[
sizeof(p->name) - 1] = 0;
270 KA_TRACE(trace_level, (
"cpu brand string: \"%s\"\n", &p->name[0]));
273 p->frequency = __kmp_parse_frequency(strrchr(&p->name[0],
' '));
274 KA_TRACE(trace_level,
275 (
"cpu frequency from brand string: %" KMP_UINT64_SPEC
"\n",
282 void __kmp_expand_host_name(
char *buffer,
size_t size) {
283 KMP_DEBUG_ASSERT(size >=
sizeof(unknown));
288 if (!GetComputerNameA(buffer, &s))
289 KMP_STRCPY_S(buffer, size, unknown);
292 buffer[size - 2] = 0;
293 if (gethostname(buffer, size) || buffer[size - 2] != 0)
294 KMP_STRCPY_S(buffer, size, unknown);
305 void __kmp_expand_file_name(
char *result,
size_t rlen,
char *pattern) {
306 char *pos = result, *end = result + rlen - 1;
308 int default_cpu_width = 1;
311 KMP_DEBUG_ASSERT(rlen > 0);
315 for (i = __kmp_xproc; i >= 10; i /= 10, ++default_cpu_width)
319 if (pattern != NULL) {
320 while (*pattern !=
'\0' && pos < end) {
321 if (*pattern !=
'%') {
324 char *old_pattern = pattern;
326 int cpu_width = default_cpu_width;
330 if (*pattern >=
'0' && *pattern <=
'9') {
333 width = (width * 10) + *pattern++ -
'0';
334 }
while (*pattern >=
'0' && *pattern <=
'9');
335 if (width < 0 || width > 1024)
344 __kmp_expand_host_name(buffer,
sizeof(buffer));
345 KMP_STRNCPY(pos, buffer, end - pos + 1);
355 snp_result = KMP_SNPRINTF(pos, end - pos + 1,
"%0*d", cpu_width,
356 __kmp_dflt_team_nth);
357 if (snp_result >= 0 && snp_result <= end - pos) {
367 #if KMP_ARCH_X86_64 && defined(__MINGW32__)
368 snp_result = KMP_SNPRINTF(pos, end - pos + 1,
"%0*lld", width,
id);
370 snp_result = KMP_SNPRINTF(pos, end - pos + 1,
"%0*d", width,
id);
372 if (snp_result >= 0 && snp_result <= end - pos) {
387 pattern = old_pattern + 1;
394 if (*pattern !=
'\0')
395 KMP_FATAL(FileNameTooLong);