X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libust%2Ftracer.h;h=e61348250ff6de9d685fd77bc8dde8182b46e4fd;hb=223f2e7ce070406f507856fa8f0de508d8a05ad3;hp=cc3974e2a9d45ef0febc077b153ffa7637fe2ad3;hpb=31d392f1a565abd0751302d8c52b9f9e695e051e;p=ust.git diff --git a/libust/tracer.h b/libust/tracer.h index cc3974e..e613482 100644 --- a/libust/tracer.h +++ b/libust/tracer.h @@ -26,12 +26,12 @@ #include #include -#include +#include +#include +#include #include "channels.h" #include "tracercore.h" #include "tracerconst.h" -#include -#include #include "buffers.h" /* Number of bytes to log with a read/write event */ @@ -86,6 +86,12 @@ enum ltt_channels { LTT_CHANNEL_UST, }; +struct chan_info_struct { + const char *name; + unsigned int def_subbufsize; + unsigned int def_subbufcount; +}; + struct ltt_active_marker { struct list_head node; /* active markers list */ const char *channel; @@ -241,8 +247,7 @@ static __inline__ size_t ltt_subbuffer_header_size(void) return offsetof(struct ltt_subbuffer_header, header_end); } -extern size_t ltt_write_event_header_slow(struct ust_trace *trace, - struct ust_channel *channel, +extern size_t ltt_write_event_header_slow(struct ust_channel *channel, struct ust_buffer *buf, long buf_offset, u16 eID, u32 event_size, u64 tsc, unsigned int rflags); @@ -264,8 +269,7 @@ extern size_t ltt_write_event_header_slow(struct ust_trace *trace, * * returns : offset where the event data must be written. */ -static __inline__ size_t ltt_write_event_header(struct ust_trace *trace, - struct ust_channel *chan, +static __inline__ size_t ltt_write_event_header(struct ust_channel *chan, struct ust_buffer *buf, long buf_offset, u16 eID, u32 event_size, u64 tsc, unsigned int rflags) @@ -283,7 +287,7 @@ static __inline__ size_t ltt_write_event_header(struct ust_trace *trace, return buf_offset; slow_path: - return ltt_write_event_header_slow(trace, chan, buf, buf_offset, + return ltt_write_event_header_slow(chan, buf, buf_offset, eID, event_size, tsc, rflags); } @@ -338,6 +342,21 @@ static __inline__ void ltt_write_trace_header(struct ust_trace *trace, header->freq_scale = trace->freq_scale; } +static __inline__ int ust_get_cpu(void) +{ +#ifndef UST_VALGRIND + return sched_getcpu(); +#else + /* Valgrind does not support the sched_getcpu() vsyscall. + * It causes it to detect a segfault in the program and stop it. + * So if we want to check libust with valgrind, we have to refrain + * from using this call. TODO: it would probably be better to return + * other values too, to better test it. + */ + return 0; +#endif +} + /* * Size reserved for high priority events (interrupts, NMI, BH) at the end of a