X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Frandom.h;fp=instrumentation%2Fevents%2Flttng-module%2Frandom.h;h=6ecdd90e7e2dcd4b0a865b50dde032d8afa27ab6;hb=b87700e318c27267890cbd6fb5e50b687279131b;hp=0000000000000000000000000000000000000000;hpb=7c68b363332170e4db100327ecc9e09b8a79cf29;p=lttng-modules.git

diff --git a/instrumentation/events/lttng-module/random.h b/instrumentation/events/lttng-module/random.h
new file mode 100644
index 00000000..6ecdd90e
--- /dev/null
+++ b/instrumentation/events/lttng-module/random.h
@@ -0,0 +1,134 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM random
+
+#if !defined(_TRACE_RANDOM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_RANDOM_H
+
+#include <linux/writeback.h>
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(random__mix_pool_bytes,
+	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
+
+	TP_ARGS(pool_name, bytes, IP),
+
+	TP_STRUCT__entry(
+		__string(   pool_name,	pool_name		)
+		__field(	  int,	bytes			)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		tp_strcpy(pool_name, pool_name)
+		tp_assign(bytes, bytes)
+		tp_assign(IP, IP)
+	),
+
+	TP_printk("%s pool: bytes %d caller %pF",
+		  __get_str(pool_name), __entry->bytes, (void *)__entry->IP)
+)
+
+DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes,
+	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
+
+	TP_ARGS(pool_name, bytes, IP)
+)
+
+DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes_nolock,
+	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
+
+	TP_ARGS(pool_name, bytes, IP)
+)
+
+TRACE_EVENT(credit_entropy_bits,
+	TP_PROTO(const char *pool_name, int bits, int entropy_count,
+		 int entropy_total, unsigned long IP),
+
+	TP_ARGS(pool_name, bits, entropy_count, entropy_total, IP),
+
+	TP_STRUCT__entry(
+		__string(   pool_name,	pool_name		)
+		__field(	  int,	bits			)
+		__field(	  int,	entropy_count		)
+		__field(	  int,	entropy_total		)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		tp_strcpy(pool_name, pool_name)
+		tp_assign(bits, bits)
+		tp_assign(entropy_count, entropy_count)
+		tp_assign(entropy_total, entropy_total)
+		tp_assign(IP, IP)
+	),
+
+	TP_printk("%s pool: bits %d entropy_count %d entropy_total %d "
+		  "caller %pF", __get_str(pool_name), __entry->bits,
+		  __entry->entropy_count, __entry->entropy_total,
+		  (void *)__entry->IP)
+)
+
+TRACE_EVENT(get_random_bytes,
+	TP_PROTO(int nbytes, unsigned long IP),
+
+	TP_ARGS(nbytes, IP),
+
+	TP_STRUCT__entry(
+		__field(	  int,	nbytes			)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		tp_assign(nbytes, nbytes)
+		tp_assign(IP, IP)
+	),
+
+	TP_printk("nbytes %d caller %pF", __entry->nbytes, (void *)__entry->IP)
+)
+
+DECLARE_EVENT_CLASS(random__extract_entropy,
+	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
+		 unsigned long IP),
+
+	TP_ARGS(pool_name, nbytes, entropy_count, IP),
+
+	TP_STRUCT__entry(
+		__string(   pool_name,	pool_name		)
+		__field(	  int,	nbytes			)
+		__field(	  int,	entropy_count		)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		tp_strcpy(pool_name, pool_name)
+		tp_assign(nbytes, nbytes)
+		tp_assign(entropy_count, entropy_count)
+		tp_assign(IP, IP)
+	),
+
+	TP_printk("%s pool: nbytes %d entropy_count %d caller %pF",
+		  __get_str(pool_name), __entry->nbytes, __entry->entropy_count,
+		  (void *)__entry->IP)
+)
+
+
+DEFINE_EVENT(random__extract_entropy, extract_entropy,
+	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
+		 unsigned long IP),
+
+	TP_ARGS(pool_name, nbytes, entropy_count, IP)
+)
+
+DEFINE_EVENT(random__extract_entropy, extract_entropy_user,
+	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
+		 unsigned long IP),
+
+	TP_ARGS(pool_name, nbytes, entropy_count, IP)
+)
+
+
+
+#endif /* _TRACE_RANDOM_H */
+
+/* This part must be outside protection */
+#include "../../../probes/define_trace.h"