X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fprintk.h;h=b01ac59b22dcaf8a32b9a65020041f8ec6b2b0cd;hb=2d0428212cbfa3f8428feee160b095f48c2ac974;hp=9ac55c72fdc3b6f7363842a69dd8490a8ef4f534;hpb=68ed2ee005d0883cf09466d8dc2b3509acde249a;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/printk.h b/instrumentation/events/lttng-module/printk.h index 9ac55c72..b01ac59b 100644 --- a/instrumentation/events/lttng-module/printk.h +++ b/instrumentation/events/lttng-module/printk.h @@ -1,83 +1,76 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM printk -#if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_PRINTK_H +#if !defined(LTTNG_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ) +#define LTTNG_TRACE_PRINTK_H -#include -#include +#include +#include -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,10,0)) + +LTTNG_TRACEPOINT_EVENT_MAP(console, + + printk_console, -TRACE_EVENT(console, TP_PROTO(const char *text, size_t len), TP_ARGS(text, len), - TP_STRUCT__entry( - __dynamic_array_text(char, msg, len) - ), + TP_FIELDS( + ctf_sequence_text(char, msg, text, size_t, len) + ) +) - TP_fast_assign( - tp_memcpy_dyn(msg, text) - ), +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0)) - TP_printk("%s", __get_str(msg)) -) +LTTNG_TRACEPOINT_EVENT_MAP(console, -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) + printk_console, -TRACE_EVENT_CONDITION(console, TP_PROTO(const char *log_buf, unsigned start, unsigned end, unsigned log_buf_len), TP_ARGS(log_buf, start, end, log_buf_len), - TP_CONDITION(start != end), - - TP_STRUCT__entry( - __dynamic_array_text(char, msg, end - start) - ), + TP_FIELDS( + ctf_sequence_text(char, msg, log_buf + start, + size_t, end - start) + ) +) - TP_fast_assign( - tp_memcpy_dyn(msg, log_buf + start) - ), +#else /* (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,5,0)) */ - TP_printk("%s", __get_str(msg)) -) +LTTNG_TRACEPOINT_EVENT_MAP(console, -#else /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) */ + printk_console, -TRACE_EVENT_CONDITION(console, TP_PROTO(const char *log_buf, unsigned start, unsigned end, unsigned log_buf_len), TP_ARGS(log_buf, start, end, log_buf_len), - TP_CONDITION(start != end), - - TP_STRUCT__entry( - __dynamic_array_text_2(char, msg, - (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) + TP_FIELDS( + /* + * printk buffer is gathered from two segments on older kernels. + */ + ctf_sequence_text(char, msg1, + log_buf + (start & (log_buf_len - 1)), + size_t, (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) ? log_buf_len - (start & (log_buf_len - 1)) - : end - start, - (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) + : end - start) + ctf_sequence_text(char, msg2, + log_buf, + size_t, (start & (log_buf_len - 1)) > (end & (log_buf_len - 1)) ? end & (log_buf_len - 1) : 0) - ), - - TP_fast_assign( - tp_memcpy_dyn_2(msg, - log_buf + (start & (log_buf_len - 1)), - log_buf) - ), - - TP_printk("%s", __get_str(msg)) + ) ) #endif -#endif /* _TRACE_PRINTK_H */ +#endif /* LTTNG_TRACE_PRINTK_H */ /* This part must be outside protection */ -#include "../../../probes/define_trace.h" +#include