121 lines
2.8 KiB
C
121 lines
2.8 KiB
C
--- lib/CL/devices/cpuinfo.c.orig 2019-04-04 12:06:59 UTC
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+++ lib/CL/devices/cpuinfo.c
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@@ -34,6 +34,12 @@
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#include "config.h"
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#include "cpuinfo.h"
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+#ifdef HAVE_SYSCTL_H
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+# include <sys/types.h>
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+# include <sys/sysctl.h>
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+#endif
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+
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+#ifdef __linux__
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static const char* cpuinfo = "/proc/cpuinfo";
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#define MAX_CPUINFO_SIZE 64*1024
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//#define DEBUG_POCL_CPUINFO
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@@ -153,8 +159,51 @@ pocl_cpuinfo_detect_max_clock_frequency()
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}
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return -1;
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}
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+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
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+/**
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+ * Detects the maximum clock frequency of the CPU.
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+ *
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+ * Assumes all cores have the same max clock freq.
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+ *
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+ * @return The clock frequency in MHz.
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+ */
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+int
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+pocl_cpuinfo_detect_max_clock_frequency()
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+{
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+ const char mib1[] = "dev.cpu.0.freq_levels";
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+ const char mib2[] = "hw.clockrate";
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+ int clockrate = 0;
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+ size_t size = 0;
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+ char *value = NULL;
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+ if (!sysctlbyname(mib1, NULL, &size, NULL, 0) &&
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+ (value = (char*)malloc(++size)) &&
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+ !sysctlbyname(mib1, (void*)value, &size, NULL, 0))
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+ {
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+ value[size] = '\0';
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+ sscanf(value, "%d/%*d", &clockrate);
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+ }
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+ else
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+ {
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+ size = sizeof(clockrate);
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+ sysctlbyname(mib2, (void*)&clockrate, &size, NULL, 0);
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+ }
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+ if (value)
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+ free(value);
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+ return clockrate;
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+}
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+#else
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+/**
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+ * Unimplemented for other platforms.
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+ */
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+ int
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+pocl_cpuinfo_detect_max_clock_frequency()
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+{
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+ return 0;
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+}
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+#endif
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+#ifdef __linux__
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/**
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* Detects the number of parallel hardware threads supported by
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* the CPU by parsing the cpuinfo.
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@@ -232,6 +281,19 @@ pocl_cpuinfo_detect_compute_unit_count()
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}
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return -1;
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}
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+#else
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+/**
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+ * Detects the number of parallel hardware threads supported by
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+ * the CPU.
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+ *
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+ * @return The number of hardware threads.
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+ */
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+ int
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+pocl_cpuinfo_detect_compute_unit_count()
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+{
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+ return sysconf(_SC_NPROCESSORS_ONLN);
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+}
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+#endif
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#ifdef POCL_ANDROID
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@@ -326,6 +388,7 @@ pocl_cpuinfo_get_cpu_name_and_vendor(cl_device_id devi
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* short_name is in the .data anyways.*/
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device->long_name = device->short_name;
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+#ifdef __linux__
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/* default vendor and vendor_id, in case it cannot be found by other means */
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device->vendor = cpuvendor_default;
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if (device->vendor_id == 0)
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@@ -425,6 +488,25 @@ pocl_cpuinfo_get_cpu_name_and_vendor(cl_device_id devi
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char *new_name = (char*)malloc (len);
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snprintf (new_name, len, "%s-%s", device->short_name, start);
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device->long_name = new_name;
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+#elif defined(HAVE_SYSCTL_H)
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+ int mib[2];
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+ size_t len = 0;
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+ char *model;
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+
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+ mib[0] = CTL_HW;
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+ mib[1] = HW_MODEL;
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+ if (sysctl(mib, 2, NULL, &len, NULL, 0))
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+ return;
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+ if (!(model = (char*)malloc(++len)))
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+ return;
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+ if (sysctl(mib, 2, (void*)model, &len, NULL, 0))
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+ free(model);
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+ else
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+ {
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+ model[len] = '\0';
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+ device->long_name = model;
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+ }
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+#endif
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}
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/*
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