patch-2.1.127 linux/include/asm-sparc/perfctr.h

• Lines: 102
• Date: Tue Oct 27 09:52:21 1998
• Orig file: v2.1.126/linux/include/asm-sparc/perfctr.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.126/linux/include/asm-sparc/perfctr.h linux/include/asm-sparc/perfctr.h
@@ -0,0 +1,101 @@
+/*----------------------------------------
+  PERFORMANCE INSTRUMENTATION  
+  Guillaume Thouvenin           08/10/98
+  David S. Miller               10/06/98
+  ---------------------------------------*/
+#ifndef PERF_COUNTER_API
+#define PERF_COUNTER_API
+
+/* sys_perfctr() interface.  First arg is operation code
+ * from enumeration below.  The meaning of further arguments
+ * are determined by the operation code.
+ *
+ * int sys_perfctr(int opcode, unsigned long arg0,
+ *                 unsigned long arg1, unsigned long arg2)
+ *
+ * Pointers which are passed by the user are pointers to 64-bit
+ * integers.
+ *
+ * Once enabled, performance counter state is retained until the
+ * process either exits or performs an exec.  That is, performance
+ * counters remain enabled for fork/clone children.
+ */
+enum perfctr_opcode {
+	/* Enable UltraSparc performance counters, ARG0 is pointer
+	 * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer
+	 * to 64-bit accumulator for D1 counter.  ARG2 is a pointer to
+	 * the initial PCR register value to use.
+	 */
+	PERFCTR_ON,
+
+	/* Disable UltraSparc performance counters.  The PCR is written
+	 * with zero and the user counter accumulator pointers and
+	 * working PCR register value are forgotten.
+	 */
+	PERFCTR_OFF,
+
+	/* Add current D0 and D1 PIC values into user pointers given
+	 * in PERFCTR_ON operation.  The PIC is cleared before returning.
+	 */
+	PERFCTR_READ,
+
+	/* Clear the PIC register. */
+	PERFCTR_CLRPIC,
+
+	/* Begin using a new PCR value, the pointer to which is passed
+	 * in ARG0.  The PIC is also cleared after the new PCR value is
+	 * written.
+	 */
+	PERFCTR_SETPCR,
+
+	/* Store in pointer given in ARG0 the current PCR register value
+	 * being used.
+	 */
+	PERFCTR_GETPCR
+};
+
+/* I don't want the kernel's namespace to be polluted with this
+ * stuff when this file is included.  --DaveM
+ */
+#ifndef __KERNEL__
+
+#define  PRIV 0x00000001
+#define  USR  0x00000002
+#define  SYS  0x00000004
+
+/* Pic.S0 Selection Bit Field Encoding  */
+#define  CYCLE_CNT            0x00000000
+#define  INSTR_CNT            0x00000010
+#define  DISPATCH0_IC_MISS    0x00000020
+#define  DISPATCH0_STOREBUF   0x00000030
+#define  IC_REF               0x00000080
+#define  DC_RD                0x00000090
+#define  DC_WR                0x000000A0
+#define  LOAD_USE             0x000000B0
+#define  EC_REF               0x000000C0
+#define  EC_WRITE_HIT_RDO     0x000000D0
+#define  EC_SNOOP_INV         0x000000E0
+#define  EC_RD_HIT            0x000000F0
+
+/* Pic.S1 Selection Bit Field Encoding  */
+#define  CYCLE_CNT_D1         0x00000000
+#define  INSTR_CNT_D1         0x00000800
+#define  DISPATCH0_IC_MISPRED 0x00001000
+#define  DISPATCH0_FP_USE     0x00001800
+#define  IC_HIT               0x00004000
+#define  DC_RD_HIT            0x00004800
+#define  DC_WR_HIT            0x00005000
+#define  LOAD_USE_RAW         0x00005800
+#define  EC_HIT               0x00006000
+#define  EC_WB                0x00006800
+#define  EC_SNOOP_CB          0x00007000
+#define  EC_IT_HIT            0x00007800
+
+struct vcounter_struct {
+  unsigned long long vcnt0;
+  unsigned long long vcnt1;
+};
+
+#endif /* !(__KERNEL__) */
+
+#endif /* !(PERF_COUNTER_API) */