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hwloc: Clarify reason for failed binding ("can't bind memory")

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This commit is contained in:
Tony Butler 2024-05-30 07:23:25 -06:00
parent 5eaa6c152e
commit 14128cbdb4
5 changed files with 45 additions and 16 deletions
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18
src/backend/cpu/platform/HwlocCpuInfo.cpp
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@ -23,6 +23,7 @@
#include <algorithm>
#include <cmath>
#include <errno.h>
#include <hwloc.h>
@ -191,16 +192,25 @@ xmrig::HwlocCpuInfo::~HwlocCpuInfo()
}
bool xmrig::HwlocCpuInfo::membind(hwloc_const_bitmap_t nodeset)
int8_t xmrig::HwlocCpuInfo::membind(hwloc_const_bitmap_t nodeset)
{
if (!hwloc_topology_get_support(m_topology)->membind->set_thisthread_membind) {
return false;
return MEMBIND_FAIL_SUPP;
}
# if HWLOC_API_VERSION >= 0x20000
return hwloc_set_membind(m_topology, nodeset, HWLOC_MEMBIND_BIND, HWLOC_MEMBIND_THREAD | HWLOC_MEMBIND_BYNODESET) >= 0;
int rv = hwloc_set_membind(m_topology, nodeset, HWLOC_MEMBIND_BIND, HWLOC_MEMBIND_THREAD | HWLOC_MEMBIND_BYNODESET);
int error = errno;
if (rv < 0) {
LOG_WARN("hwloc_set_membind() error: \"%s\"\n", strerror(error));
return MEMBIND_FAIL_BIND;
}
return MEMBIND_SUCCESS;
# else
return hwloc_set_membind_nodeset(m_topology, nodeset, HWLOC_MEMBIND_BIND, HWLOC_MEMBIND_THREAD) >= 0;
return (hwloc_set_membind_nodeset(m_topology, nodeset, HWLOC_MEMBIND_BIND, HWLOC_MEMBIND_THREAD) >= 0)
? MEMBIND_SUCCESS : MEMBIND_FAIL_BIND;
# endif
}