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ASoC: SOF: replace dev_vdbg with tracepoints

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This patch removes unneeded dev_vdbg calls and replaces remaining ones
with tracepoints to reduce overhead and enable use of trace collection
and analysis tools.

Signed-off-by: Noah Klayman <noah.klayman@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220919122108.43764-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Noah Klayman
2022-09-19 14:21:07 +02:00
committed by Mark Brown
parent d272b65704
commit bcd2cc350d
3 changed files with 68 additions and 9 deletions
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60
include/trace/events/sof.h
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@@ -11,6 +11,7 @@
#if !defined(_TRACE_SOF_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SOF_H
#include <linux/tracepoint.h>
#include <linux/types.h>
#include <sound/sof/stream.h>
#include "../../../sound/soc/sof/sof-audio.h"
@@ -38,6 +39,65 @@ DEFINE_EVENT(sof_widget_template, sof_widget_free,
TP_ARGS(swidget)
);
TRACE_EVENT(sof_ipc3_period_elapsed_position,
TP_PROTO(struct snd_sof_dev *sdev, struct sof_ipc_stream_posn *posn),
TP_ARGS(sdev, posn),
TP_STRUCT__entry(
__string(device_name, dev_name(sdev->dev))
__field(u64, host_posn)
__field(u64, dai_posn)
__field(u64, wallclock)
),
TP_fast_assign(
__assign_str(device_name, dev_name(sdev->dev));
__entry->host_posn = posn->host_posn;
__entry->dai_posn = posn->dai_posn;
__entry->wallclock = posn->wallclock;
),
TP_printk("device_name=%s host_posn=%#llx dai_posn=%#llx wallclock=%#llx",
__get_str(device_name), __entry->host_posn, __entry->dai_posn,
__entry->wallclock)
);
TRACE_EVENT(sof_pcm_pointer_position,
TP_PROTO(struct snd_sof_dev *sdev,
struct snd_sof_pcm *spcm,
struct snd_pcm_substream *substream,
snd_pcm_uframes_t dma_posn,
snd_pcm_uframes_t dai_posn
),
TP_ARGS(sdev, spcm, substream, dma_posn, dai_posn),
TP_STRUCT__entry(
__string(device_name, dev_name(sdev->dev))
__field(u32, pcm_id)
__field(int, stream)
__field(unsigned long, dma_posn)
__field(unsigned long, dai_posn)
),
TP_fast_assign(
__assign_str(device_name, dev_name(sdev->dev));
__entry->pcm_id = le32_to_cpu(spcm->pcm.pcm_id);
__entry->stream = substream->stream;
__entry->dma_posn = dma_posn;
__entry->dai_posn = dai_posn;
),
TP_printk("device_name=%s pcm_id=%d stream=%d dma_posn=%lu dai_posn=%lu",
__get_str(device_name), __entry->pcm_id, __entry->stream,
__entry->dma_posn, __entry->dai_posn)
);
TRACE_EVENT(sof_stream_position_ipc_rx,
TP_PROTO(struct device *dev),
TP_ARGS(dev),
TP_STRUCT__entry(
__string(device_name, dev_name(dev))
),
TP_fast_assign(
__assign_str(device_name, dev_name(dev));
),
TP_printk("device_name=%s", __get_str(device_name))
);
#endif /* _TRACE_SOF_H */
/* This part must be outside protection */