equal
deleted
inserted
replaced
53 * The PerfDataPrologue structure is known by the PerfDataBuffer Java class |
53 * The PerfDataPrologue structure is known by the PerfDataBuffer Java class |
54 * libraries that read the PerfData memory region. The size and the position |
54 * libraries that read the PerfData memory region. The size and the position |
55 * of the fields must be changed along with their counterparts in the |
55 * of the fields must be changed along with their counterparts in the |
56 * PerfDataBuffer Java class. The first four bytes of this structure |
56 * PerfDataBuffer Java class. The first four bytes of this structure |
57 * should never change, or compatibility problems between the monitoring |
57 * should never change, or compatibility problems between the monitoring |
58 * applications and Hotspot VMs will result. The reserved fields are |
58 * applications and HotSpot VMs will result. The reserved fields are |
59 * available for future enhancements. |
59 * available for future enhancements. |
60 */ |
60 */ |
61 typedef struct { |
61 typedef struct { |
62 jint magic; // magic number - 0xcafec0c0 |
62 jint magic; // magic number - 0xcafec0c0 |
63 jbyte byte_order; // byte order of the buffer |
63 jbyte byte_order; // byte order of the buffer |