diff options
Diffstat (limited to 'freebsd/sys/sys/ktr.h')
| -rw-r--r-- | freebsd/sys/sys/ktr.h | 101 |
1 files changed, 48 insertions, 53 deletions
diff --git a/freebsd/sys/sys/ktr.h b/freebsd/sys/sys/ktr.h index de8ebe54..e25cfe03 100644 --- a/freebsd/sys/sys/ktr.h +++ b/freebsd/sys/sys/ktr.h @@ -36,56 +36,7 @@ #ifndef _SYS_KTR_H_ #define _SYS_KTR_H_ -/* - * Trace classes - * - * Two of the trace classes (KTR_DEV and KTR_SUBSYS) are special in that - * they are really placeholders so that indvidual drivers and subsystems - * can map their internal tracing to the general class when they wish to - * have tracing enabled and map it to 0 when they don't. - */ -#define KTR_GEN 0x00000001 /* General (TR) */ -#define KTR_NET 0x00000002 /* Network */ -#define KTR_DEV 0x00000004 /* Device driver */ -#define KTR_LOCK 0x00000008 /* MP locking */ -#define KTR_SMP 0x00000010 /* MP general */ -#define KTR_SUBSYS 0x00000020 /* Subsystem. */ -#define KTR_PMAP 0x00000040 /* Pmap tracing */ -#define KTR_MALLOC 0x00000080 /* Malloc tracing */ -#define KTR_TRAP 0x00000100 /* Trap processing */ -#define KTR_INTR 0x00000200 /* Interrupt tracing */ -#define KTR_SIG 0x00000400 /* Signal processing */ -#define KTR_SPARE2 0x00000800 /* XXX Used by cxgb */ -#define KTR_PROC 0x00001000 /* Process scheduling */ -#define KTR_SYSC 0x00002000 /* System call */ -#define KTR_INIT 0x00004000 /* System initialization */ -#define KTR_SPARE3 0x00008000 /* XXX Used by cxgb */ -#define KTR_SPARE4 0x00010000 /* XXX Used by cxgb */ -#define KTR_EVH 0x00020000 /* Eventhandler */ -#define KTR_VFS 0x00040000 /* VFS events */ -#define KTR_VOP 0x00080000 /* Auto-generated vop events */ -#define KTR_VM 0x00100000 /* The virtual memory system */ -#define KTR_INET 0x00200000 /* IPv4 stack */ -#define KTR_RUNQ 0x00400000 /* Run queue */ -#define KTR_CONTENTION 0x00800000 /* Lock contention */ -#define KTR_UMA 0x01000000 /* UMA slab allocator */ -#define KTR_CALLOUT 0x02000000 /* Callouts and timeouts */ -#define KTR_GEOM 0x04000000 /* GEOM I/O events */ -#define KTR_BUSDMA 0x08000000 /* busdma(9) events */ -#define KTR_INET6 0x10000000 /* IPv6 stack */ -#define KTR_SCHED 0x20000000 /* Machine parsed sched info. */ -#define KTR_BUF 0x40000000 /* Buffer cache */ -#define KTR_ALL 0x7fffffff - -/* Trace classes to compile in */ -#ifdef KTR -#ifndef KTR_COMPILE -#define KTR_COMPILE (KTR_ALL) -#endif -#else /* !KTR */ -#undef KTR_COMPILE -#define KTR_COMPILE 0 -#endif /* KTR */ +#include <sys/ktr_class.h> /* * Version number for ktr_entry struct. Increment this when you break binary @@ -111,16 +62,16 @@ struct ktr_entry { }; extern cpuset_t ktr_cpumask; -extern int ktr_mask; +extern uint64_t ktr_mask; extern int ktr_entries; extern int ktr_verbose; extern volatile int ktr_idx; -extern struct ktr_entry ktr_buf[]; +extern struct ktr_entry *ktr_buf; #ifdef KTR -void ktr_tracepoint(u_int mask, const char *file, int line, +void ktr_tracepoint(uint64_t mask, const char *file, int line, const char *format, u_long arg1, u_long arg2, u_long arg3, u_long arg4, u_long arg5, u_long arg6); @@ -244,6 +195,50 @@ void ktr_tracepoint(u_int mask, const char *file, int line, point, a0, (v0), a1, (v1), a2, (v2), a3, (v3)) /* + * Start functions denote the start of a region of code or operation + * and should be paired with stop functions for timing of nested + * sequences. + * + * Specifying extra attributes with the name "key" will result in + * multi-part keys. For example a block device and offset pair + * might be used to describe a buf undergoing I/O. + */ +#define KTR_START0(m, egroup, ident, key) \ + KTR_EVENT0(m, egroup, ident, "start:0x%jX", (uintmax_t)key) +#define KTR_START1(m, egroup, ident, key, a0, v0) \ + KTR_EVENT1(m, egroup, ident, "start:0x%jX", (uintmax_t)key, a0, (v0)) +#define KTR_START2(m, egroup, ident, key, a0, v0, a1, v1) \ + KTR_EVENT2(m, egroup, ident, "start:0x%jX", (uintmax_t)key, \ + a0, (v0), a1, (v1)) +#define KTR_START3(m, egroup, ident, key, a0, v0, a1, v1, a2, v2)\ + KTR_EVENT3(m, egroup, ident, "start:0x%jX", (uintmax_t)key, \ + a0, (v0), a1, (v1), a2, (v2)) +#define KTR_START4(m, egroup, ident, key, \ + a0, v0, a1, v1, a2, v2, a3, v3) \ + KTR_EVENT4(m, egroup, ident, "start:0x%jX", (uintmax_t)key, \ + a0, (v0), a1, (v1), a2, (v2), a3, (v3)) + +/* + * Stop functions denote the end of a region of code or operation + * and should be paired with start functions for timing of nested + * sequences. + */ +#define KTR_STOP0(m, egroup, ident, key) \ + KTR_EVENT0(m, egroup, ident, "stop:0x%jX", (uintmax_t)key) +#define KTR_STOP1(m, egroup, ident, key, a0, v0) \ + KTR_EVENT1(m, egroup, ident, "stop:0x%jX", (uintmax_t)key, a0, (v0)) +#define KTR_STOP2(m, egroup, ident, key, a0, v0, a1, v1) \ + KTR_EVENT2(m, egroup, ident, "stop:0x%jX", (uintmax_t)key, \ + a0, (v0), a1, (v1)) +#define KTR_STOP3(m, egroup, ident, key, a0, v0, a1, v1, a2, v2)\ + KTR_EVENT3(m, egroup, ident, "stop:0x%jX", (uintmax_t)key, \ + a0, (v0), a1, (v1), a2, (v2)) +#define KTR_STOP4(m, egroup, ident, \ + key, a0, v0, a1, v1, a2, v2, a3, v3) \ + KTR_EVENT4(m, egroup, ident, "stop:0x%jX", (uintmax_t)key, \ + a0, (v0), a1, (v1), a2, (v2), a3, (v3)) + +/* * Trace initialization events, similar to CTR with KTR_INIT, but * completely ifdef'ed out if KTR_INIT isn't in KTR_COMPILE (to * save string space, the compiler doesn't optimize out strings |