patch-2.4.20 linux-2.4.20/include/asm-ppc64/perfmon.h

• Lines: 95
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-ppc64/perfmon.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/include/asm-ppc64/perfmon.h linux-2.4.20/include/asm-ppc64/perfmon.h
@@ -0,0 +1,94 @@
+/*
+ * This file contains the code to configure and utilize the ppc64 pmc hardware
+ * Copyright (C) 2002 David Engebretsen <engebret@us.ibm.com>
+ */
+
+#ifndef __KERNEL__
+#define INLINE_SYSCALL(arg1, arg2)       \
+  ({                                            \
+    register long r0 __asm__ ("r0");     \
+    register long r3 __asm__ ("r3"); \
+    register long r4 __asm__ ("r4"); \
+    long ret, err;                              \
+    r0 = 208; \
+    r3 = (long) (arg1); \
+    r4 = (long) (arg2); \
+    __asm__ ("sc\n\t"                           \
+             "mfcr      %1\n\t"                 \
+             : "=r" (r3), "=r" (err)            \
+             : "r" (r0), "r" (r3), "r" (r4) \
+             : "cc", "memory");                 \
+    ret = r3;                                   \
+  })
+#endif
+
+#ifndef __ASSEMBLY__
+struct perfmon_base_struct {
+	u64 profile_buffer;
+	u64 profile_length;
+	u64 trace_buffer;
+	u64 trace_length;
+	u64 trace_end;
+	u64 state;
+};
+
+struct pmc_header {
+	int type;
+	int pid;
+	int resv[30];
+};
+
+struct pmc_struct {
+        int pmc[11];
+};
+
+struct pmc_info_struct {
+	unsigned int mode, cpu;
+
+	unsigned int  pmc_base[11];
+	unsigned long pmc_cumulative[8];
+};
+
+struct perfmon_struct {
+	struct pmc_header header;
+
+	union {
+		struct pmc_struct      pmc;
+		struct pmc_info_struct pmc_info;
+ 	} vdata;
+};
+
+enum {
+	PMC_OP_ALLOC         = 1,
+	PMC_OP_FREE          = 2,
+	PMC_OP_CLEAR         = 4,
+	PMC_OP_DUMP          = 5,
+	PMC_OP_DUMP_HARDWARE = 6,
+	PMC_OP_DECR_PROFILE  = 20,
+	PMC_OP_PMC_PROFILE   = 21,
+	PMC_OP_SET           = 30,
+	PMC_OP_SET_USER      = 31,
+	PMC_OP_END           = 30
+};
+
+
+#define	PMC_TRACE_CMD 0xFF
+
+enum {
+	PMC_TYPE_DERC_PROFILE  = 1,
+	PMC_TYPE_CYCLE         = 2,
+	PMC_TYPE_PROFILE       = 3,
+	PMC_TYPE_DCACHE        = 4,
+	PMC_TYPE_L2_MISS       = 5,
+	PMC_TYPE_LWARCX        = 6,
+	PMC_TYPE_END           = 6
+};
+#endif
+
+#define	PMC_STATE_INITIAL         0x00
+#define	PMC_STATE_READY           0x01
+#define	PMC_STATE_DECR_PROFILE    0x10
+#define	PMC_STATE_PROFILE_KERN    0x11
+#define	PMC_STATE_TRACE_KERN      0x20
+#define	PMC_STATE_TRACE_USER      0x21
+