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8134119: Use new API to get cache line sizes

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Using new sysconf and sysinfo API on Solaris 12, avoid using libpicl and libkstat.

Reviewed-by: kvn
This commit is contained in:
Igor Veresov 2016-03-01 12:35:21 -08:00
parent 30ee713e36
commit fbca99beb2
3 changed files with 140 additions and 58 deletions
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34
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
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@ -463,3 +463,37 @@ unsigned int VM_Version::calc_parallel_worker_threads() {
}
return result;
}
int VM_Version::parse_features(const char* implementation) {
int features = unknown_m;
// Convert to UPPER case before compare.
char* impl = os::strdup_check_oom(implementation);
for (int i = 0; impl[i] != 0; i++)
impl[i] = (char)toupper((uint)impl[i]);
if (strstr(impl, "SPARC64") != NULL) {
features |= sparc64_family_m;
} else if (strstr(impl, "SPARC-M") != NULL) {
// M-series SPARC is based on T-series.
features |= (M_family_m | T_family_m);
} else if (strstr(impl, "SPARC-T") != NULL) {
features |= T_family_m;
if (strstr(impl, "SPARC-T1") != NULL) {
features |= T1_model_m;
}
} else {
if (strstr(impl, "SPARC") == NULL) {
#ifndef PRODUCT
// kstat on Solaris 8 virtual machines (branded zones)
// returns "(unsupported)" implementation. Solaris 8 is not
// supported anymore, but include this check to be on the
// safe side.
warning("Can't parse CPU implementation = '%s', assume generic SPARC", impl);
#endif
}
}
os::free((void*)impl);
return features;
}