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ASoC: Intel: catpt: Add pretty-trace for large IPC payloads

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Mimic mechanism found in the Intel's avs-driver and update the existing
IPC payload tracing to allow for pretty printing even large payloads.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20260528083444.1439233-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cezary Rojewski 2026-05-28 10:34:43 +02:00 committed by Mark Brown
parent 7e5d59f407
commit 0ee392ea75
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
4 changed files with 44 additions and 11 deletions
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3
sound/soc/intel/catpt/Makefile
View File

@ -1,7 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
snd-soc-catpt-y := device.o dsp.o loader.o ipc.o messages.o pcm.o sysfs.o
snd-soc-catpt-y += trace.o
# tell define_trace.h where to find the trace header
CFLAGS_device.o := -I$(src)
CFLAGS_trace.o := -I$(src)
obj-$(CONFIG_SND_SOC_INTEL_CATPT) += snd-soc-catpt.o

3
sound/soc/intel/catpt/device.c
View File

@ -25,9 +25,6 @@
#include "core.h"
#include "registers.h"
#define CREATE_TRACE_POINTS
#include "trace.h"
static int catpt_do_suspend(struct device *dev)
{
struct catpt_dev *cdev = dev_get_drvdata(dev);

27
sound/soc/intel/catpt/trace.c Normal file
View File

@ -0,0 +1,27 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#define CREATE_TRACE_POINTS
#include "trace.h"
#define BYTES_PER_LINE 16
#define MAX_CHUNK_SIZE ((PAGE_SIZE - 150) /* Place for trace header */ \
/ (2 * BYTES_PER_LINE + 4) /* chars per line */ \
* BYTES_PER_LINE)
void trace_catpt_ipc_payload(const void *data, size_t size)
{
size_t remaining = size;
size_t offset = 0;
while (remaining > 0) {
u32 chunk;
chunk = min_t(size_t, remaining, MAX_CHUNK_SIZE);
trace_catpt_ipc_payload_chunk(data, chunk, offset, size);
remaining -= chunk;
offset += chunk;
}
}

22
sound/soc/intel/catpt/trace.h
View File

@ -51,29 +51,37 @@ DEFINE_EVENT(catpt_ipc_msg, catpt_ipc_notify,
TP_ARGS(header)
);
TRACE_EVENT_CONDITION(catpt_ipc_payload,
TRACE_EVENT_CONDITION(catpt_ipc_payload_chunk,
TP_PROTO(const u8 *data, size_t size),
TP_PROTO(const u8 *data, size_t size, size_t offset, size_t total),
TP_ARGS(data, size),
TP_ARGS(data, size, offset, total),
TP_CONDITION(data && size),
TP_STRUCT__entry(
__dynamic_array(u8, buf, size)
__dynamic_array(u8, buf, size )
__field(size_t, offset )
__field(size_t, pos )
__field(size_t, total )
),
TP_fast_assign(
memcpy(__get_dynamic_array(buf), data, size);
memcpy(__get_dynamic_array(buf), data + offset, size);
__entry->offset = offset;
__entry->pos = offset + size;
__entry->total = total;
),
TP_printk("%u byte(s)%s",
__get_dynamic_array_len(buf),
TP_printk("range %zu-%zu out of %zu bytes%s",
__entry->offset, __entry->pos, __entry->total,
__print_hex_dump("", DUMP_PREFIX_NONE, 16, 4,
__get_dynamic_array(buf),
__get_dynamic_array_len(buf), false))
);
void trace_catpt_ipc_payload(const void *data, size_t size);
#endif /* __SND_SOC_INTEL_CATPT_TRACE_H */
/* This part must be outside protection */