< prev index next >

src/share/vm/logging/logTag.hpp

Print this page




  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 #ifndef SHARE_VM_LOGGING_LOGTAG_HPP
  25 #define SHARE_VM_LOGGING_LOGTAG_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 #include "utilities/globalDefinitions.hpp"
  29 
  30 // List of available logging tags. New tags should be added here.
  31 // (The tags 'all', 'disable' and 'help' are special tags that can
  32 // not be used in log calls, and should not be listed below.)
  33 #define LOG_TAG_LIST \










  34   LOG_TAG(defaultmethods) \









  35   LOG_TAG(logging) \
  36   LOG_TAG(safepoint)























  37 
  38 #define PREFIX_LOG_TAG(T) (LogTag::T)
  39 
  40 // Expand a set of log tags to their prefixed names.
  41 // For error detection purposes, the macro passes one more tag than what is supported.
  42 // If too many tags are given, a static assert in the log class will fail.
  43 #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...)  PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \
  44                                                         PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5)
  45 // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly.
  46 #define EXPAND_VARARGS(x) x
  47 #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG))
  48 
  49 // Log tags are used to classify log messages.
  50 // Each log message can be assigned between 1 to LogTag::MaxTags number of tags.
  51 // Specifying multiple tags for a log message means that only outputs configured
  52 // for those exact tags, or a subset of the tags with a wildcard, will see the logging.
  53 // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg").
  54 class LogTag : public AllStatic {
  55  public:
  56   // The maximum number of tags that a single log message can have.




  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 #ifndef SHARE_VM_LOGGING_LOGTAG_HPP
  25 #define SHARE_VM_LOGGING_LOGTAG_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 #include "utilities/globalDefinitions.hpp"
  29 
  30 // List of available logging tags. New tags should be added here.
  31 // (The tags 'all', 'disable' and 'help' are special tags that can
  32 // not be used in log calls, and should not be listed below.)
  33 #define LOG_TAG_LIST \
  34   LOG_TAG(alloc) \
  35   LOG_TAG(age) \
  36   LOG_TAG(barrier) \
  37   LOG_TAG(bot) \
  38   LOG_TAG(classhisto) \
  39   LOG_TAG(comp) \
  40   LOG_TAG(compaction) \
  41   LOG_TAG(conc) \
  42   LOG_TAG(cpu) \
  43   LOG_TAG(cset) \
  44   LOG_TAG(defaultmethods) \
  45   LOG_TAG(ergo) \
  46   LOG_TAG(exit) \
  47   LOG_TAG(freelist) \
  48   LOG_TAG(gc) \
  49   LOG_TAG(heap) \
  50   LOG_TAG(humongous) \
  51   LOG_TAG(init) \
  52   LOG_TAG(jni) \
  53   LOG_TAG(liveness) \
  54   LOG_TAG(logging) \
  55   LOG_TAG(marking) \
  56   LOG_TAG(metaspace) \
  57   LOG_TAG(phases) \
  58   LOG_TAG(plab) \
  59   LOG_TAG(promotion) \
  60   LOG_TAG(ref) \
  61   LOG_TAG(refine) \
  62   LOG_TAG(region) \
  63   LOG_TAG(remset) \
  64   LOG_TAG(rt) \
  65   LOG_TAG(safepoint) \
  66   LOG_TAG(scavenge) \
  67   LOG_TAG(scrub) \
  68   LOG_TAG(start) \
  69   LOG_TAG(svc) \
  70   LOG_TAG(stats) \
  71   LOG_TAG(stringdedup) \
  72   LOG_TAG(survivor) \
  73   LOG_TAG(task) \
  74   LOG_TAG(tlab) \
  75   LOG_TAG(time) \
  76   LOG_TAG(verify)
  77 
  78 
  79 
  80 #define PREFIX_LOG_TAG(T) (LogTag::T)
  81 
  82 // Expand a set of log tags to their prefixed names.
  83 // For error detection purposes, the macro passes one more tag than what is supported.
  84 // If too many tags are given, a static assert in the log class will fail.
  85 #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...)  PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \
  86                                                         PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5)
  87 // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly.
  88 #define EXPAND_VARARGS(x) x
  89 #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG))
  90 
  91 // Log tags are used to classify log messages.
  92 // Each log message can be assigned between 1 to LogTag::MaxTags number of tags.
  93 // Specifying multiple tags for a log message means that only outputs configured
  94 // for those exact tags, or a subset of the tags with a wildcard, will see the logging.
  95 // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg").
  96 class LogTag : public AllStatic {
  97  public:
  98   // The maximum number of tags that a single log message can have.


< prev index next >