Migrate tracepoint instrumentation to TP_FIELDS

[lttng-modules.git] / instrumentation / events / lttng-module / printk.h

diff --git a/instrumentation/events/lttng-module/printk.h b/instrumentation/events/lttng-module/printk.h
index 16949c4d83da54c25cebc73c01fb655c387da558..77fe081b36e835ff26ac6a92afc26bce3fbcecef 100644 (file)
--- a/instrumentation/events/lttng-module/printk.h
+++ b/instrumentation/events/lttng-module/printk.h
@@ -9,25 +9,25 @@
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
 
-LTTNG_TRACEPOINT_EVENT(console,
-       TP_PROTO(const char *text, size_t len),
+LTTNG_TRACEPOINT_EVENT_MAP(console,
 
-       TP_ARGS(text, len),
+       printk_console,
 
-       TP_STRUCT__entry(
-               __dynamic_array_text(char, msg, len)
-       ),
+       TP_PROTO(const char *text, size_t len),
 
-       TP_fast_assign(
-               tp_memcpy_dyn(msg, text)
-       ),
+       TP_ARGS(text, len),
 
-       TP_printk("%s", __get_str(msg))
+       TP_FIELDS(
+               ctf_sequence_text(char, msg, text, size_t, len)
+       )
 )
 
 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
 
-LTTNG_TRACEPOINT_EVENT_CONDITION(console,
+LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(console,
+
+       printk_console,
+
        TP_PROTO(const char *log_buf, unsigned start, unsigned end,
                 unsigned log_buf_len),
 
@@ -35,20 +35,18 @@ LTTNG_TRACEPOINT_EVENT_CONDITION(console,
 
        TP_CONDITION(start != end),
 
-       TP_STRUCT__entry(
-               __dynamic_array_text(char, msg, end - start)
-       ),
-
-       TP_fast_assign(
-               tp_memcpy_dyn(msg, log_buf + start)
-       ),
-
-       TP_printk("%s", __get_str(msg))
+       TP_FIELDS(
+               ctf_sequence_text(char, msg, log_buf + start,
+                       size_t, end - start)
+       )
 )
 
 #else /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) */
 
-LTTNG_TRACEPOINT_EVENT_CONDITION(console,
+LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(console,
+
+       printk_console,
+
        TP_PROTO(const char *log_buf, unsigned start, unsigned end,
                 unsigned log_buf_len),
 
@@ -56,23 +54,21 @@ LTTNG_TRACEPOINT_EVENT_CONDITION(console,
 
        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