This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / xen / interface / trace.h

diff --git a/include/xen/interface/trace.h b/include/xen/interface/trace.h
new file mode 100644 (file)
index 0000000..4cb7338
--- /dev/null
+++ b/include/xen/interface/trace.h
@@ -0,0 +1,87 @@
+/******************************************************************************
+ * include/public/trace.h
+ * 
+ * Mark Williamson, (C) 2004 Intel Research Cambridge
+ * Copyright (C) 2005 Bin Ren
+ */
+
+#ifndef __XEN_PUBLIC_TRACE_H__
+#define __XEN_PUBLIC_TRACE_H__
+
+/* Trace classes */
+#define TRC_CLS_SHIFT 16
+#define TRC_GEN     0x0001f000    /* General trace            */
+#define TRC_SCHED   0x0002f000    /* Xen Scheduler trace      */
+#define TRC_DOM0OP  0x0004f000    /* Xen DOM0 operation trace */
+#define TRC_VMX     0x0008f000    /* Xen VMX trace            */
+#define TRC_MEM     0x000af000    /* Xen memory trace         */
+#define TRC_ALL     0xfffff000
+
+/* Trace subclasses */
+#define TRC_SUBCLS_SHIFT 12
+/* trace subclasses for VMX */
+#define TRC_VMXEXIT  0x00081000   /* VMX exit trace            */
+#define TRC_VMXTIMER 0x00082000   /* VMX timer trace           */
+#define TRC_VMXINT   0x00084000   /* VMX interrupt trace       */
+#define TRC_VMXIO    0x00088000   /* VMX io emulation trace  */
+
+/* Trace events per class */
+#define TRC_LOST_RECORDS        (TRC_GEN + 1)
+
+#define TRC_SCHED_DOM_ADD       (TRC_SCHED +  1)
+#define TRC_SCHED_DOM_REM       (TRC_SCHED +  2)
+#define TRC_SCHED_SLEEP         (TRC_SCHED +  3)
+#define TRC_SCHED_WAKE          (TRC_SCHED +  4)
+#define TRC_SCHED_YIELD         (TRC_SCHED +  5)
+#define TRC_SCHED_BLOCK         (TRC_SCHED +  6)
+#define TRC_SCHED_SHUTDOWN      (TRC_SCHED +  7)
+#define TRC_SCHED_CTL           (TRC_SCHED +  8)
+#define TRC_SCHED_ADJDOM        (TRC_SCHED +  9)
+#define TRC_SCHED_SWITCH        (TRC_SCHED + 10)
+#define TRC_SCHED_S_TIMER_FN    (TRC_SCHED + 11)
+#define TRC_SCHED_T_TIMER_FN    (TRC_SCHED + 12)
+#define TRC_SCHED_DOM_TIMER_FN  (TRC_SCHED + 13)
+#define TRC_SCHED_SWITCH_INFPREV (TRC_SCHED + 14)
+#define TRC_SCHED_SWITCH_INFNEXT (TRC_SCHED + 15)
+
+#define TRC_MEM_PAGE_GRANT_MAP      (TRC_MEM + 1)
+#define TRC_MEM_PAGE_GRANT_UNMAP    (TRC_MEM + 2)
+#define TRC_MEM_PAGE_GRANT_TRANSFER (TRC_MEM + 3)
+
+/* trace events per subclass */
+#define TRC_VMX_VMEXIT          (TRC_VMXEXIT + 1)
+#define TRC_VMX_VMENTRY         (TRC_VMXEXIT + 2)
+
+#define TRC_VMX_TIMER_INTR      (TRC_VMXTIMER + 1)
+
+#define TRC_VMX_INT             (TRC_VMXINT + 1)
+
+
+/* This structure represents a single trace buffer record. */
+struct t_rec {
+    uint64_t cycles;          /* cycle counter timestamp */
+    uint32_t event;           /* event ID                */
+    unsigned long data[5];    /* event data items        */
+};
+
+/*
+ * This structure contains the metadata for a single trace buffer.  The head
+ * field, indexes into an array of struct t_rec's.
+ */
+struct t_buf {
+    uint32_t cons;      /* Next item to be consumed by control tools. */
+    uint32_t prod;      /* Next item to be produced by Xen.           */
+    /* 'nr_recs' records follow immediately after the meta-data header.    */
+};
+
+#endif /* __XEN_PUBLIC_TRACE_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */