/* * Memory allocator trace points; all trace the amount of memory involved */ #define TR_MALL 10 /* memory allocated */ /* * Paging trace points: all are <vaddr, pid> */ #define TR_INTRANS 20 /* page intransit block */ #define TR_EINTRANS 21 /* page intransit wait done */ #define TR_FRECLAIM 22 /* reclaim from free list */ #define TR_RECLAIM 23 /* reclaim from loop */ #define TR_XSFREC 24 /* reclaim from free list instead of drum */ #define TR_XIFREC 25 /* reclaim from free list instead of fsys */ #define TR_WAITMEM 26 /* wait for memory in pagein */ #define TR_EWAITMEM 27 /* end memory wait in pagein */ #define TR_ZFOD 28 /* zfod page fault */ #define TR_EXFOD 29 /* exec fod page fault */ #define TR_VRFOD 30 /* vread fod page fault */ #define TR_CACHEFOD 31 /* fod in file system cache */ #define TR_SWAPIN 32 /* drum page fault */ #define TR_PGINDONE 33 /* page in done */ /* * System call trace points. */ #define TR_VADVISE 40 /* vadvise occurred with <arg, pid> */ /* iget tracing */ #define TR_IGET 1 #define TR_IGOT 2 #define TR_SEND 3 #define TR_RECV 4 /* * up/uda interrupt tracking */ #define TR_UBGO 10 /* disk command */ #define TR_UBINT 11 /* got interrupt */ #define TR_BFIN 12 /* in bflush from update */ #define TR_BFOUT 13 /* out of bflush from update */ #define TR_BDPON 14 /* alloc bdp */ #define TR_BDPOFF 15 /* de-alloc bdp */ #define TR_UDCMND 16 /* sent a command to the uda-50 */ #define TR_UDRESP 17 /* uda 50 interrupted */ /* * Miscellaneous */ #define TR_STAMP 50 /* user said vtrace(VTR_STAMP, value); */ /* * This defines the size of the trace flags array. */ #define TR_NFLAGS 100 /* generous */ #define TRCSIZ 4096 /* * Specifications of the vtrace() system call, which takes one argument. */ #define VTRACE 64+51 #define VTR_DISABLE 0 /* set a trace flag to 0 */ #define VTR_ENABLE 1 /* set a trace flag to 1 */ #define VTR_VALUE 2 /* return value of a trace flag */ #define VTR_UALARM 3 /* set alarm to go off (sig 16) */ /* in specified number of hz */ #define VTR_STAMP 4 /* user specified stamp */ #ifdef TRACE #ifdef KERNEL char traceflags[TR_NFLAGS]; struct proc *traceproc; int tracebuf[TRCSIZ]; unsigned tracex; int tracewhich; #define trace(a,b,c) if (traceflags[a]) trace1(a,b,c) #endif #else #define trace(a, b, c) #endif