diff options
Diffstat (limited to 'sys/xen/interface/trace.h')
| -rw-r--r-- | sys/xen/interface/trace.h | 127 |
1 files changed, 100 insertions, 27 deletions
diff --git a/sys/xen/interface/trace.h b/sys/xen/interface/trace.h index 33654e4..a11b30f 100644 --- a/sys/xen/interface/trace.h +++ b/sys/xen/interface/trace.h @@ -26,14 +26,23 @@ #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_ALL 0xfffff000 +#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_SHADOW 0x0040f000 /* Xen shadow tracing */ +#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 @@ -42,41 +51,82 @@ #define TRC_HVM_ENTRYEXIT 0x00081000 /* VMENTRY and #VMEXIT */ #define TRC_HVM_HANDLER 0x00082000 /* various HVM handlers */ +#define TRC_SCHED_MIN 0x00021000 /* Just runstate changes */ +#define TRC_SCHED_VERBOSE 0x00028000 /* More inclusive scheduling */ + /* 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_SCHED_RUNSTATE_CHANGE (TRC_SCHED_MIN + 1) +#define TRC_SCHED_DOM_ADD (TRC_SCHED_VERBOSE + 1) +#define TRC_SCHED_DOM_REM (TRC_SCHED_VERBOSE + 2) +#define TRC_SCHED_SLEEP (TRC_SCHED_VERBOSE + 3) +#define TRC_SCHED_WAKE (TRC_SCHED_VERBOSE + 4) +#define TRC_SCHED_YIELD (TRC_SCHED_VERBOSE + 5) +#define TRC_SCHED_BLOCK (TRC_SCHED_VERBOSE + 6) +#define TRC_SCHED_SHUTDOWN (TRC_SCHED_VERBOSE + 7) +#define TRC_SCHED_CTL (TRC_SCHED_VERBOSE + 8) +#define TRC_SCHED_ADJDOM (TRC_SCHED_VERBOSE + 9) +#define TRC_SCHED_SWITCH (TRC_SCHED_VERBOSE + 10) +#define TRC_SCHED_S_TIMER_FN (TRC_SCHED_VERBOSE + 11) +#define TRC_SCHED_T_TIMER_FN (TRC_SCHED_VERBOSE + 12) +#define TRC_SCHED_DOM_TIMER_FN (TRC_SCHED_VERBOSE + 13) +#define TRC_SCHED_SWITCH_INFPREV (TRC_SCHED_VERBOSE + 14) +#define TRC_SCHED_SWITCH_INFNEXT (TRC_SCHED_VERBOSE + 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_64_FLAG (0x100) + +#define TRC_SHADOW_NOT_SHADOW (TRC_SHADOW + 1) +#define TRC_SHADOW_FAST_PROPAGATE (TRC_SHADOW + 2) +#define TRC_SHADOW_FAST_MMIO (TRC_SHADOW + 3) +#define TRC_SHADOW_FALSE_FAST_PATH (TRC_SHADOW + 4) +#define TRC_SHADOW_MMIO (TRC_SHADOW + 5) +#define TRC_SHADOW_FIXUP (TRC_SHADOW + 6) +#define TRC_SHADOW_DOMF_DYING (TRC_SHADOW + 7) +#define TRC_SHADOW_EMULATE (TRC_SHADOW + 8) +#define TRC_SHADOW_EMULATE_UNSHADOW_USER (TRC_SHADOW + 9) +#define TRC_SHADOW_EMULATE_UNSHADOW_EVTINJ (TRC_SHADOW + 10) +#define TRC_SHADOW_EMULATE_UNSHADOW_UNHANDLED (TRC_SHADOW + 11) +#define TRC_SHADOW_WRMAP_BF (TRC_SHADOW + 12) +#define TRC_SHADOW_PREALLOC_UNPIN (TRC_SHADOW + 13) +#define TRC_SHADOW_RESYNC_FULL (TRC_SHADOW + 14) +#define TRC_SHADOW_RESYNC_ONLY (TRC_SHADOW + 15) + /* 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 + TRC_64_FLAG + 0x02) #define TRC_HVM_PF_XEN (TRC_HVM_HANDLER + 0x01) +#define TRC_HVM_PF_XEN64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x01) #define TRC_HVM_PF_INJECT (TRC_HVM_HANDLER + 0x02) +#define TRC_HVM_PF_INJECT64 (TRC_HVM_HANDLER + TRC_64_FLAG + 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_READ64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x08) #define TRC_HVM_CR_WRITE (TRC_HVM_HANDLER + 0x09) +#define TRC_HVM_CR_WRITE64 (TRC_HVM_HANDLER + TRC_64_FLAG + 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) @@ -88,13 +138,28 @@ #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_INVLPG64 (TRC_HVM_HANDLER + TRC_64_FLAG + 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_LMSW64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x19) /* 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 */ + 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; }; /* @@ -102,9 +167,17 @@ struct t_rec { * 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. */ + /* 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__ */ |
