7ee2d4b94d33c07a45ca07a06e57e96e2f98c3e8
1 /*****************************************************************************
4 * LTT userspace tracing header
6 * Mathieu Desnoyers, March 2006
9 #ifndef _LTT_USERTRACE_H
10 #define _LTT_USERTRACE_H
16 #include <sys/types.h>
23 #define inline inline __attribute__((always_inline))
25 #if defined(__powerpc__) || defined(__powerpc64__)
27 #include <ltt/atomic-ppc64.h>
28 #include <ltt/system-ppc64.h>
29 #include <asm/timex.h>
31 #include <ltt/ppc_asm-ppc.h>
32 #include <ltt/atomic-ppc.h>
33 #include <ltt/system-ppc.h>
34 #include <ltt/timex-ppc.h>
36 #elif defined(__x86_64__)
37 #include <ltt/kernelutils-x86_64.h>
38 #elif defined(__i386__)
39 #include <ltt/kernelutils-i386.h>
41 #error "Unsupported architecture"
45 #define min(a,b) ((a)<(b)?(a):(b))
49 #define __NR_ltt_trace_generic 318
50 #define __NR_ltt_register_generic 319
52 #define NR_syscalls 320
56 #define __NR_ltt_trace_generic 281
57 #define __NR_ltt_register_generic 281
59 #define NR_syscalls 282
63 #define __NR_ltt_trace_generic 301
64 #define __NR_ltt_register_generic 302
66 #define NR_syscalls 303
70 #define __NR_ltt_trace_generic 301
71 #define __NR_ltt_register_generic 302
73 #define NR_syscalls 303
78 //FIXME : setup for ARM
79 //FIXME : setup for MIPS
82 // Put in bits/syscall.h
83 #define SYS_ltt_trace_generic __NR_ltt_trace_generic
84 #define SYS_ltt_register_generic __NR_ltt_register_generic
87 #define FACNAME_LEN 32
89 /* LTT userspace tracing is non blocking by default when buffers are full */
91 #define LTT_BLOCKING 0
94 typedef unsigned int ltt_facility_t
;
96 struct user_facility_info
{
97 char name
[FACNAME_LEN
];
98 unsigned int num_events
;
107 static inline __attribute__((no_instrument_function
))
108 _syscall5(int, ltt_trace_generic
, unsigned int, facility_id
,
109 unsigned int, event_id
, void *, data
, size_t, data_size
, int, blocking
)
110 static inline __attribute__((no_instrument_function
))
111 _syscall2(int, ltt_register_generic
, unsigned int *, facility_id
,
112 const struct user_facility_info
*, info
)
115 #define ltt_register_generic(...) syscall(__NR_ltt_register_generic, __VA_ARGS__)
116 #define ltt_trace_generic(...) syscall(__NR_ltt_trace_generic, __VA_ARGS__)
118 static inline unsigned int __attribute__((no_instrument_function
))
119 ltt_align(size_t align_drift
, size_t size_of_type
);
122 /* Calculate the offset needed to align the type */
123 static inline unsigned int
124 ltt_align(size_t align_drift
, size_t size_of_type
)
126 size_t alignment
= min(sizeof(void*), size_of_type
);
128 return ((alignment
- align_drift
) & (alignment
-1));
132 static inline unsigned int ltt_align(size_t align_drift
, size_t size_of_type
)
136 #define LTT_ALIGN __attribute__((packed))
140 } /* end of extern "C" */
143 #ifdef LTT_TRACE_FAST
144 #include <ltt/ltt-usertrace-fast.h>
145 #endif //LTT_TRACE_FAST
147 #endif //_LTT_USERTRACE_H
This page took 0.032355 seconds and 4 git commands to generate.