Drop support for kernels < 4.4 from random instrumentation

[lttng-modules.git] / include / instrumentation / events / random.h

diff --git a/include/instrumentation/events/random.h b/include/instrumentation/events/random.h
index 8cc88adba38c3d5b3057e402184d0a6d51cbbac6..aad9e5e8f25961e3785f14dd63285f8a5d05935d 100644 (file)
--- a/include/instrumentation/events/random.h
+++ b/include/instrumentation/events/random.h
@@ -8,6 +8,20 @@
 #include <lttng/tracepoint-event.h>
 #include <linux/writeback.h>
 
+LTTNG_TRACEPOINT_EVENT_MAP(add_device_randomness,
+
+       random_add_device_randomness,
+
+       TP_PROTO(int bytes, unsigned long IP),
+
+       TP_ARGS(bytes, IP),
+
+       TP_FIELDS(
+               ctf_integer(int, bytes, bytes)
+               ctf_integer_hex(unsigned long, IP, IP)
+       )
+)
+
 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(random__mix_pool_bytes,
        TP_PROTO(int bytes, unsigned long IP),
@@ -121,9 +135,97 @@ LTTNG_TRACEPOINT_EVENT_MAP(credit_entropy_bits,
 )
 #endif
 
-LTTNG_TRACEPOINT_EVENT_MAP(get_random_bytes,
+LTTNG_TRACEPOINT_EVENT_MAP(push_to_pool,
 
-       random_get_random_bytes,
+       random_push_to_pool,
+
+       TP_PROTO(const char *pool_name, int pool_bits, int input_bits),
+
+       TP_ARGS(pool_name, pool_bits, input_bits),
+
+       TP_FIELDS(
+               ctf_string(pool_name, pool_name)
+               ctf_integer(int, pool_bits, pool_bits)
+               ctf_integer(int, input_bits, input_bits)
+       )
+)
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
+LTTNG_TRACEPOINT_EVENT_MAP(debit_entropy,
+
+       random_debit_entropy,
+
+       TP_PROTO(int debit_bits),
+
+       TP_ARGS(debit_bits),
+
+       TP_FIELDS(
+               ctf_integer(int, debit_bits, debit_bits)
+       )
+)
+#else
+LTTNG_TRACEPOINT_EVENT_MAP(debit_entropy,
+
+       random_debit_entropy,
+
+       TP_PROTO(const char *pool_name, int debit_bits),
+
+       TP_ARGS(pool_name, debit_bits),
+
+       TP_FIELDS(
+               ctf_string(pool_name, pool_name)
+               ctf_integer(int, debit_bits, debit_bits)
+       )
+)
+#endif
+
+LTTNG_TRACEPOINT_EVENT_MAP(add_input_randomness,
+
+       random_add_input_randomness,
+
+       TP_PROTO(int input_bits),
+
+       TP_ARGS(input_bits),
+
+       TP_FIELDS(
+               ctf_integer(int, input_bits, input_bits)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_MAP(add_disk_randomness,
+
+       random_add_disk_randomness,
+
+       TP_PROTO(dev_t dev, int input_bits),
+
+       TP_ARGS(dev, input_bits),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, dev)
+               ctf_integer(int, input_bits, input_bits)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_MAP(xfer_secondary_pool,
+
+       random_xfer_secondary_pool,
+
+       TP_PROTO(const char *pool_name, int xfer_bits, int request_bits,
+               int pool_entropy, int input_entropy),
+
+       TP_ARGS(pool_name, xfer_bits, request_bits, pool_entropy,
+               input_entropy),
+
+       TP_FIELDS(
+               ctf_string(pool_name, pool_name)
+               ctf_integer(int, xfer_bits, xfer_bits)
+               ctf_integer(int, request_bits, request_bits)
+               ctf_integer(int, pool_entropy, pool_entropy)
+               ctf_integer(int, input_entropy, input_entropy)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(random__get_random_bytes,
 
        TP_PROTO(int nbytes, unsigned long IP),
 
@@ -135,6 +237,24 @@ LTTNG_TRACEPOINT_EVENT_MAP(get_random_bytes,
        )
 )
 
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__get_random_bytes, get_random_bytes,
+
+       random_get_random_bytes,
+
+       TP_PROTO(int nbytes, unsigned long IP),
+
+       TP_ARGS(nbytes, IP)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__get_random_bytes, get_random_bytes_arch,
+
+       random_get_random_bytes_arch,
+
+       TP_PROTO(int nbytes, unsigned long IP),
+
+       TP_ARGS(nbytes, IP)
+)
+
 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(random__extract_entropy,
        TP_PROTO(int nbytes, int entropy_count, unsigned long IP),
@@ -203,6 +323,51 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy_use
 )
 #endif
 
+LTTNG_TRACEPOINT_EVENT_MAP(random_read,
+
+       random_random_read,
+
+       TP_PROTO(int got_bits, int need_bits, int pool_left, int input_left),
+
+       TP_ARGS(got_bits, need_bits, pool_left, input_left),
+
+       TP_FIELDS(
+               ctf_integer(int, got_bits, got_bits)
+               ctf_integer(int, need_bits, need_bits)
+               ctf_integer(int, pool_left, pool_left)
+               ctf_integer(int, input_left, input_left)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_MAP(urandom_read,
+
+       random_urandom_read,
+
+       TP_PROTO(int got_bits, int pool_left, int input_left),
+
+       TP_ARGS(got_bits, pool_left, input_left),
+
+       TP_FIELDS(
+               ctf_integer(int, got_bits, got_bits)
+               ctf_integer(int, pool_left, pool_left)
+               ctf_integer(int, input_left, input_left)
+       )
+)
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0))
+LTTNG_TRACEPOINT_EVENT_MAP(prandom_u32,
+
+       random_prandom_u32,
+
+       TP_PROTO(unsigned int ret),
+
+       TP_ARGS(ret),
+
+       TP_FIELDS(
+               ctf_integer(unsigned int, ret, ret)
+       )
+)
+#endif
 
 
 #endif /* LTTNG_TRACE_RANDOM_H */