diff --git a/src/share/vm/services/memTracker.cpp b/src/share/vm/services/memTracker.cpp index a89de2f40af79b7169b60fb8bf945008fff48151..0e6f7c42e57f192ea7c79dbffaac7d6b8ee594b5 100644 --- a/src/share/vm/services/memTracker.cpp +++ b/src/share/vm/services/memTracker.cpp @@ -34,6 +34,7 @@ #include "services/memReporter.hpp" #include "services/memTracker.hpp" #include "utilities/decoder.hpp" +#include "utilities/defaultStream.hpp" #include "utilities/globalDefinitions.hpp" bool NMT_track_callsite = false; @@ -77,7 +78,15 @@ void MemTracker::init_tracking_options(const char* option_line) { if (strcmp(option_line, "=summary") == 0) { _tracking_level = NMT_summary; } else if (strcmp(option_line, "=detail") == 0) { - _tracking_level = NMT_detail; + // detail relies on a stack-walking ability that may not + // be available depending on platform and/or compiler flags + if (PLATFORM_NMT_DETAIL_SUPPORTED) { + _tracking_level = NMT_detail; + } else { + jio_fprintf(defaultStream::error_stream(), + "NMT detail is not supported on this platform. Using NMT summary instead."); + _tracking_level = NMT_summary; + } } else if (strcmp(option_line, "=off") != 0) { vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); } diff --git a/src/share/vm/utilities/globalDefinitions.hpp b/src/share/vm/utilities/globalDefinitions.hpp index 5609ffdf431402dbd9cb0c0e763583124c7e076c..d9088307a97a14bb2849358fdcd792aaf7dcb772 100644 --- a/src/share/vm/utilities/globalDefinitions.hpp +++ b/src/share/vm/utilities/globalDefinitions.hpp @@ -380,6 +380,14 @@ const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlass # include "globalDefinitions_ppc.hpp" #endif +/* + * If a platform does not support NMT_detail + * the platform specific globalDefinitions (above) + * can set PLATFORM_NMT_DETAIL_SUPPORTED to false + */ +#ifndef PLATFORM_NMT_DETAIL_SUPPORTED +#define PLATFORM_NMT_DETAIL_SUPPORTED true +#endif // The byte alignment to be used by Arena::Amalloc. See bugid 4169348. // Note: this value must be a power of 2