[alsa-devel] [PATCH 5/5] firewire-lib: unify tracing events to 'amdtp_packet' event
Takashi Sakamoto
o-takashi at sakamocchi.jp
Sun May 19 12:01:09 CEST 2019
Now four events of this module have the same arguments and probe timing.
This commit adds a new event, 'amdtp_packet', and replace them. Filtering
functionality of tracing framework is available to pick up events for
inbound/outbound isochronous packets.
Signed-off-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
---
sound/firewire/amdtp-stream-trace.h | 149 ++--------------------------
sound/firewire/amdtp-stream.c | 10 +-
2 files changed, 11 insertions(+), 148 deletions(-)
diff --git a/sound/firewire/amdtp-stream-trace.h b/sound/firewire/amdtp-stream-trace.h
index 614dfd08aa48..ab708857979f 100644
--- a/sound/firewire/amdtp-stream-trace.h
+++ b/sound/firewire/amdtp-stream-trace.h
@@ -13,7 +13,7 @@
#include <linux/tracepoint.h>
-TRACE_EVENT(in_packet,
+TRACE_EVENT(amdtp_packet,
TP_PROTO(const struct amdtp_stream *s, u32 cycles, const __be32 *cip_header, unsigned int payload_length, unsigned int data_blocks, unsigned int index),
TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, index),
TP_STRUCT__entry(
@@ -34,60 +34,13 @@ TRACE_EVENT(in_packet,
__entry->second = cycles / CYCLES_PER_SECOND;
__entry->cycle = cycles % CYCLES_PER_SECOND;
__entry->channel = s->context->channel;
- __entry->src = fw_parent_device(s->unit)->node_id;
- __entry->dest = fw_parent_device(s->unit)->card->node_id;
- if (cip_header) {
- memcpy(__get_dynamic_array(cip_header), cip_header,
- __get_dynamic_array_len(cip_header));
+ if (s->direction == AMDTP_IN_STREAM) {
+ __entry->src = fw_parent_device(s->unit)->node_id;
+ __entry->dest = fw_parent_device(s->unit)->card->node_id;
+ } else {
+ __entry->src = fw_parent_device(s->unit)->card->node_id;
+ __entry->dest = fw_parent_device(s->unit)->node_id;
}
- __entry->payload_quadlets = payload_length / sizeof(__be32);
- __entry->data_blocks = data_blocks;
- __entry->data_block_counter = s->data_block_counter,
- __entry->packet_index = s->packet_index;
- __entry->irq = !!in_interrupt();
- __entry->index = index;
- ),
- TP_printk(
- "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
- __entry->second,
- __entry->cycle,
- __entry->src,
- __entry->dest,
- __entry->channel,
- __entry->payload_quadlets,
- __entry->data_blocks,
- __entry->data_block_counter,
- __entry->packet_index,
- __entry->irq,
- __entry->index,
- __print_array(__get_dynamic_array(cip_header),
- __get_dynamic_array_len(cip_header),
- sizeof(u8)))
-);
-
-TRACE_EVENT(out_packet,
- TP_PROTO(const struct amdtp_stream *s, u32 cycles, const __be32 *cip_header, unsigned int payload_length, unsigned int data_blocks, unsigned int index),
- TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, index),
- TP_STRUCT__entry(
- __field(unsigned int, second)
- __field(unsigned int, cycle)
- __field(int, channel)
- __field(int, src)
- __field(int, dest)
- __dynamic_array(u8, cip_header, cip_header ? 8 : 0)
- __field(unsigned int, payload_quadlets)
- __field(unsigned int, data_blocks)
- __field(unsigned int, data_block_counter)
- __field(unsigned int, packet_index)
- __field(unsigned int, irq)
- __field(unsigned int, index)
- ),
- TP_fast_assign(
- __entry->second = cycles / CYCLES_PER_SECOND;
- __entry->cycle = cycles % CYCLES_PER_SECOND;
- __entry->channel = s->context->channel;
- __entry->src = fw_parent_device(s->unit)->card->node_id;
- __entry->dest = fw_parent_device(s->unit)->node_id;
if (cip_header) {
memcpy(__get_dynamic_array(cip_header), cip_header,
__get_dynamic_array_len(cip_header));
@@ -117,94 +70,6 @@ TRACE_EVENT(out_packet,
sizeof(u8)))
);
-TRACE_EVENT(in_packet_without_header,
- TP_PROTO(const struct amdtp_stream *s, u32 cycles, unsigned int payload_length, unsigned int data_blocks, unsigned int index),
- TP_ARGS(s, cycles, payload_length, data_blocks, index),
- TP_STRUCT__entry(
- __field(unsigned int, second)
- __field(unsigned int, cycle)
- __field(int, channel)
- __field(int, src)
- __field(int, dest)
- __field(unsigned int, payload_quadlets)
- __field(unsigned int, data_blocks)
- __field(unsigned int, data_block_counter)
- __field(unsigned int, packet_index)
- __field(unsigned int, irq)
- __field(unsigned int, index)
- ),
- TP_fast_assign(
- __entry->second = cycles / CYCLES_PER_SECOND;
- __entry->cycle = cycles % CYCLES_PER_SECOND;
- __entry->channel = s->context->channel;
- __entry->src = fw_parent_device(s->unit)->node_id;
- __entry->dest = fw_parent_device(s->unit)->card->node_id;
- __entry->payload_quadlets = payload_length / sizeof(__be32);
- __entry->data_blocks = data_blocks,
- __entry->data_block_counter = s->data_block_counter,
- __entry->packet_index = s->packet_index;
- __entry->irq = !!in_interrupt();
- __entry->index = index;
- ),
- TP_printk(
- "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u",
- __entry->second,
- __entry->cycle,
- __entry->src,
- __entry->dest,
- __entry->channel,
- __entry->payload_quadlets,
- __entry->data_blocks,
- __entry->data_block_counter,
- __entry->packet_index,
- __entry->irq,
- __entry->index)
-);
-
-TRACE_EVENT(out_packet_without_header,
- TP_PROTO(const struct amdtp_stream *s, u32 cycles, unsigned int payload_length, unsigned int data_blocks, unsigned int index),
- TP_ARGS(s, cycles, payload_length, data_blocks, index),
- TP_STRUCT__entry(
- __field(unsigned int, second)
- __field(unsigned int, cycle)
- __field(int, channel)
- __field(int, src)
- __field(int, dest)
- __field(unsigned int, payload_quadlets)
- __field(unsigned int, data_blocks)
- __field(unsigned int, data_block_counter)
- __field(unsigned int, packet_index)
- __field(unsigned int, irq)
- __field(unsigned int, index)
- ),
- TP_fast_assign(
- __entry->second = cycles / CYCLES_PER_SECOND;
- __entry->cycle = cycles % CYCLES_PER_SECOND;
- __entry->channel = s->context->channel;
- __entry->src = fw_parent_device(s->unit)->card->node_id;
- __entry->dest = fw_parent_device(s->unit)->node_id;
- __entry->payload_quadlets = payload_length / sizeof(__be32);
- __entry->data_blocks = data_blocks,
- __entry->data_block_counter = s->data_block_counter,
- __entry->packet_index = s->packet_index;
- __entry->irq = !!in_interrupt();
- __entry->index = index;
- ),
- TP_printk(
- "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u",
- __entry->second,
- __entry->cycle,
- __entry->src,
- __entry->dest,
- __entry->channel,
- __entry->payload_quadlets,
- __entry->data_blocks,
- __entry->data_block_counter,
- __entry->packet_index,
- __entry->irq,
- __entry->index)
-);
-
#endif
#undef TRACE_INCLUDE_PATH
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c
index 15ae1f2989e5..6b3f936fab91 100644
--- a/sound/firewire/amdtp-stream.c
+++ b/sound/firewire/amdtp-stream.c
@@ -493,7 +493,7 @@ static int handle_out_packet(struct amdtp_stream *s,
(s->data_block_counter + data_blocks) & 0xff;
payload_length = 8 + data_blocks * 4 * s->data_block_quadlets;
- trace_out_packet(s, cycle, buffer, payload_length, data_blocks, index);
+ trace_amdtp_packet(s, cycle, buffer, payload_length, data_blocks, index);
if (queue_out_packet(s, payload_length) < 0)
return -EIO;
@@ -524,8 +524,7 @@ static int handle_out_packet_without_header(struct amdtp_stream *s,
payload_length = data_blocks * 4 * s->data_block_quadlets;
- trace_out_packet_without_header(s, cycle, payload_length, data_blocks,
- index);
+ trace_amdtp_packet(s, cycle, NULL, payload_length, data_blocks, index);
if (queue_out_packet(s, payload_length) < 0)
return -EIO;
@@ -633,7 +632,7 @@ static int handle_in_packet(struct amdtp_stream *s,
return -EIO;
}
- trace_in_packet(s, cycle, buffer, payload_length, data_blocks, index);
+ trace_amdtp_packet(s, cycle, buffer, payload_length, data_blocks, index);
syt = be32_to_cpu(buffer[1]) & CIP_SYT_MASK;
pcm_frames = s->process_data_blocks(s, buffer + 2, data_blocks, &syt);
@@ -666,8 +665,7 @@ static int handle_in_packet_without_header(struct amdtp_stream *s,
buffer = s->buffer.packets[s->packet_index].buffer;
data_blocks = payload_length / sizeof(__be32) / s->data_block_quadlets;
- trace_in_packet_without_header(s, cycle, payload_length, data_blocks,
- index);
+ trace_amdtp_packet(s, cycle, NULL, payload_length, data_blocks, index);
pcm_frames = s->process_data_blocks(s, buffer, data_blocks, NULL);
s->data_block_counter = (s->data_block_counter + data_blocks) & 0xff;
--
2.20.1
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