📄 trace.h
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/****************************************************************************** * include/public/trace.h * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Mark Williamson, (C) 2004 Intel Research Cambridge * Copyright (C) 2005 Bin Ren */#ifndef __XEN_PUBLIC_TRACE_H__#define __XEN_PUBLIC_TRACE_H__#define TRACE_EXTRA_MAX 7#define TRACE_EXTRA_SHIFT 28/* 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_HVM 0x0008f000 /* Xen HVM trace */#define TRC_MEM 0x0010f000 /* Xen memory trace */#define TRC_PV 0x0020f000 /* Xen PV traces */#define TRC_ALL 0x0ffff000#define TRC_HD_TO_EVENT(x) ((x)&0x0fffffff)#define TRC_HD_CYCLE_FLAG (1UL<<31)#define TRC_HD_INCLUDES_CYCLE_COUNT(x) ( !!( (x) & TRC_HD_CYCLE_FLAG ) )#define TRC_HD_EXTRA(x) (((x)>>TRACE_EXTRA_SHIFT)&TRACE_EXTRA_MAX)/* Trace subclasses */#define TRC_SUBCLS_SHIFT 12/* trace subclasses for SVM */#define TRC_HVM_ENTRYEXIT 0x00081000 /* VMENTRY and #VMEXIT */#define TRC_HVM_HANDLER 0x00082000 /* various HVM handlers *//* Trace events per class */#define TRC_LOST_RECORDS (TRC_GEN + 1)#define TRC_TRACE_WRAP_BUFFER (TRC_GEN + 2)#define TRC_TRACE_CPU_CHANGE (TRC_GEN + 3)#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)#define TRC_PV_HYPERCALL (TRC_PV + 1)#define TRC_PV_TRAP (TRC_PV + 3)#define TRC_PV_PAGE_FAULT (TRC_PV + 4)#define TRC_PV_FORCED_INVALID_OP (TRC_PV + 5)#define TRC_PV_EMULATE_PRIVOP (TRC_PV + 6)#define TRC_PV_EMULATE_4GB (TRC_PV + 7)#define TRC_PV_MATH_STATE_RESTORE (TRC_PV + 8)#define TRC_PV_PAGING_FIXUP (TRC_PV + 9)#define TRC_PV_GDT_LDT_MAPPING_FAULT (TRC_PV + 10)#define TRC_PV_PTWR_EMULATION (TRC_PV + 11)#define TRC_PV_PTWR_EMULATION_PAE (TRC_PV + 12) /* Indicates that addresses in trace record are 64 bits */#define TRC_PV_64_FLAG (0x100) /* trace events per subclass */#define TRC_HVM_VMENTRY (TRC_HVM_ENTRYEXIT + 0x01)#define TRC_HVM_VMEXIT (TRC_HVM_ENTRYEXIT + 0x02)#define TRC_HVM_VMEXIT64 (TRC_HVM_ENTRYEXIT + 0x03)#define TRC_HVM_PF_XEN (TRC_HVM_HANDLER + 0x01)#define TRC_HVM_PF_INJECT (TRC_HVM_HANDLER + 0x02)#define TRC_HVM_INJ_EXC (TRC_HVM_HANDLER + 0x03)#define TRC_HVM_INJ_VIRQ (TRC_HVM_HANDLER + 0x04)#define TRC_HVM_REINJ_VIRQ (TRC_HVM_HANDLER + 0x05)#define TRC_HVM_IO_READ (TRC_HVM_HANDLER + 0x06)#define TRC_HVM_IO_WRITE (TRC_HVM_HANDLER + 0x07)#define TRC_HVM_CR_READ (TRC_HVM_HANDLER + 0x08)#define TRC_HVM_CR_WRITE (TRC_HVM_HANDLER + 0x09)#define TRC_HVM_DR_READ (TRC_HVM_HANDLER + 0x0A)#define TRC_HVM_DR_WRITE (TRC_HVM_HANDLER + 0x0B)#define TRC_HVM_MSR_READ (TRC_HVM_HANDLER + 0x0C)#define TRC_HVM_MSR_WRITE (TRC_HVM_HANDLER + 0x0D)#define TRC_HVM_CPUID (TRC_HVM_HANDLER + 0x0E)#define TRC_HVM_INTR (TRC_HVM_HANDLER + 0x0F)#define TRC_HVM_NMI (TRC_HVM_HANDLER + 0x10)#define TRC_HVM_SMI (TRC_HVM_HANDLER + 0x11)#define TRC_HVM_VMMCALL (TRC_HVM_HANDLER + 0x12)#define TRC_HVM_HLT (TRC_HVM_HANDLER + 0x13)#define TRC_HVM_INVLPG (TRC_HVM_HANDLER + 0x14)#define TRC_HVM_MCE (TRC_HVM_HANDLER + 0x15)#define TRC_HVM_IO_ASSIST (TRC_HVM_HANDLER + 0x16)#define TRC_HVM_MMIO_ASSIST (TRC_HVM_HANDLER + 0x17)#define TRC_HVM_CLTS (TRC_HVM_HANDLER + 0x18)#define TRC_HVM_LMSW (TRC_HVM_HANDLER + 0x19)#define TRC_HVM_PF_XEN64 (TRC_HVM_HANDLER + 0x20)/* This structure represents a single trace buffer record. */struct t_rec { uint32_t event:28; uint32_t extra_u32:3; /* # entries in trailing extra_u32[] array */ uint32_t cycles_included:1; /* u.cycles or u.no_cycles? */ union { struct { uint32_t cycles_lo, cycles_hi; /* cycle counter timestamp */ uint32_t extra_u32[7]; /* event data items */ } cycles; struct { uint32_t extra_u32[7]; /* event data items */ } nocycles; } u;};/* * 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 { /* Assume the data buffer size is X. X is generally not a power of 2. * CONS and PROD are incremented modulo (2*X): * 0 <= cons < 2*X * 0 <= prod < 2*X * This is done because addition modulo X breaks at 2^32 when X is not a * power of 2: * (((2^32 - 1) % X) + 1) % X != (2^32) % X */ uint32_t cons; /* Offset of next item to be consumed by control tools. */ uint32_t prod; /* Offset of next item to be produced by Xen. */ /* 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: */⌨️ 快捷键说明
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