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-rw-r--r--sound/core/Makefile1
-rw-r--r--sound/core/pcm_native.c33
-rw-r--r--sound/core/pcm_param_trace.h142
3 files changed, 176 insertions, 0 deletions
diff --git a/sound/core/Makefile b/sound/core/Makefile
index e85d9dd12c2d..a8514b313a89 100644
--- a/sound/core/Makefile
+++ b/sound/core/Makefile
@@ -22,6 +22,7 @@ snd-pcm-$(CONFIG_SND_PCM_IEC958) += pcm_iec958.o
# for trace-points
CFLAGS_pcm_lib.o := -I$(src)
+CFLAGS_pcm_native.o := -I$(src)
snd-pcm-dmaengine-objs := pcm_dmaengine.o
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index bf5d0f2acfb9..b98b3ccde4f0 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -39,6 +39,9 @@
#include "pcm_local.h"
+#define CREATE_TRACE_POINTS
+#include "pcm_param_trace.h"
+
/*
* Compatibility
*/
@@ -279,6 +282,9 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
unsigned int stamp = 2;
int changed, again;
+ struct snd_mask __maybe_unused old_mask;
+ struct snd_interval __maybe_unused old_interval;
+
params->info = 0;
params->fifo_size = 0;
if (params->rmask & (1 << SNDRV_PCM_HW_PARAM_SAMPLE_BITS))
@@ -294,6 +300,9 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
return -EINVAL;
if (!(params->rmask & (1 << k)))
continue;
+
+ if (trace_hw_mask_param_enabled())
+ old_mask = *m;
#ifdef RULES_DEBUG
pr_debug("%s = ", snd_pcm_hw_param_names[k]);
pr_cont("%04x%04x%04x%04x -> ", m->bits[3], m->bits[2], m->bits[1], m->bits[0]);
@@ -302,6 +311,8 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
#ifdef RULES_DEBUG
pr_cont("%04x%04x%04x%04x\n", m->bits[3], m->bits[2], m->bits[1], m->bits[0]);
#endif
+ trace_hw_mask_param(substream, k, 0, &old_mask, m);
+
if (changed)
params->cmask |= 1 << k;
if (changed < 0)
@@ -314,6 +325,9 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
return -EINVAL;
if (!(params->rmask & (1 << k)))
continue;
+
+ if (trace_hw_interval_param_enabled())
+ old_interval = *i;
#ifdef RULES_DEBUG
pr_debug("%s = ", snd_pcm_hw_param_names[k]);
if (i->empty)
@@ -333,6 +347,8 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
i->openmin ? '(' : '[', i->min,
i->max, i->openmax ? ')' : ']');
#endif
+ trace_hw_interval_param(substream, k, 0, &old_interval, i);
+
if (changed)
params->cmask |= 1 << k;
if (changed < 0)
@@ -359,6 +375,15 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
}
if (!doit)
continue;
+
+ if (trace_hw_mask_param_enabled()) {
+ if (hw_is_mask(r->var))
+ old_mask = *hw_param_mask(params, r->var);
+ }
+ if (trace_hw_interval_param_enabled()) {
+ if (hw_is_interval(r->var))
+ old_interval = *hw_param_interval(params, r->var);
+ }
#ifdef RULES_DEBUG
pr_debug("Rule %d [%p]: ", k, r->func);
if (r->var >= 0) {
@@ -394,6 +419,14 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
}
pr_cont("\n");
#endif
+ if (hw_is_mask(r->var)) {
+ trace_hw_mask_param(substream, r->var, k + 1,
+ &old_mask, hw_param_mask(params, r->var));
+ }
+ if (hw_is_interval(r->var)) {
+ trace_hw_interval_param(substream, r->var, k + 1,
+ &old_interval, hw_param_interval(params, r->var));
+ }
rstamps[k] = stamp;
if (changed && r->var >= 0) {
params->cmask |= (1 << r->var);
diff --git a/sound/core/pcm_param_trace.h b/sound/core/pcm_param_trace.h
new file mode 100644
index 000000000000..872922326b38
--- /dev/null
+++ b/sound/core/pcm_param_trace.h
@@ -0,0 +1,142 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM snd_pcm
+
+#if !defined(_PCM_PARAMS_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _PCM_PARAMS_TRACE_H
+
+#include <linux/tracepoint.h>
+
+#define HW_PARAM_ENTRY(param) {SNDRV_PCM_HW_PARAM_##param, #param}
+#define hw_param_labels \
+ HW_PARAM_ENTRY(ACCESS), \
+ HW_PARAM_ENTRY(FORMAT), \
+ HW_PARAM_ENTRY(SUBFORMAT), \
+ HW_PARAM_ENTRY(SAMPLE_BITS), \
+ HW_PARAM_ENTRY(FRAME_BITS), \
+ HW_PARAM_ENTRY(CHANNELS), \
+ HW_PARAM_ENTRY(RATE), \
+ HW_PARAM_ENTRY(PERIOD_TIME), \
+ HW_PARAM_ENTRY(PERIOD_SIZE), \
+ HW_PARAM_ENTRY(PERIOD_BYTES), \
+ HW_PARAM_ENTRY(PERIODS), \
+ HW_PARAM_ENTRY(BUFFER_TIME), \
+ HW_PARAM_ENTRY(BUFFER_SIZE), \
+ HW_PARAM_ENTRY(BUFFER_BYTES), \
+ HW_PARAM_ENTRY(TICK_TIME)
+
+TRACE_EVENT(hw_mask_param,
+ TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_hw_param_t type, int index, const struct snd_mask *prev, const struct snd_mask *curr),
+ TP_ARGS(substream, type, index, prev, curr),
+ TP_STRUCT__entry(
+ __field(int, card)
+ __field(int, device)
+ __field(int, subdevice)
+ __field(int, direction)
+ __field(snd_pcm_hw_param_t, type)
+ __field(int, index)
+ __field(int, total)
+ __array(__u32, prev_bits, 8)
+ __array(__u32, curr_bits, 8)
+ ),
+ TP_fast_assign(
+ __entry->card = substream->pcm->card->number;
+ __entry->device = substream->pcm->device;
+ __entry->subdevice = substream->number;
+ __entry->direction = substream->stream;
+ __entry->type = type;
+ __entry->index = index;
+ __entry->total = substream->runtime->hw_constraints.rules_num;
+ memcpy(__entry->prev_bits, prev->bits, sizeof(__u32) * 8);
+ memcpy(__entry->curr_bits, curr->bits, sizeof(__u32) * 8);
+ ),
+ TP_printk("%d,%d,%d,%d %03d/%03d %s %08x%08x%08x%08x %08x%08x%08x%08x",
+ __entry->card,
+ __entry->device,
+ __entry->subdevice,
+ __entry->direction,
+ __entry->index,
+ __entry->total,
+ __print_symbolic(__entry->type, hw_param_labels),
+ __entry->prev_bits[3], __entry->prev_bits[2],
+ __entry->prev_bits[1], __entry->prev_bits[0],
+ __entry->curr_bits[3], __entry->curr_bits[2],
+ __entry->curr_bits[1], __entry->curr_bits[0]
+ )
+);
+
+TRACE_EVENT(hw_interval_param,
+ TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_hw_param_t type, int index, const struct snd_interval *prev, const struct snd_interval *curr),
+ TP_ARGS(substream, type, index, prev, curr),
+ TP_STRUCT__entry(
+ __field(int, card)
+ __field(int, device)
+ __field(int, subdevice)
+ __field(int, direction)
+ __field(snd_pcm_hw_param_t, type)
+ __field(int, index)
+ __field(int, total)
+ __field(unsigned int, prev_min)
+ __field(unsigned int, prev_max)
+ __field(unsigned int, prev_openmin)
+ __field(unsigned int, prev_openmax)
+ __field(unsigned int, prev_integer)
+ __field(unsigned int, prev_empty)
+ __field(unsigned int, curr_min)
+ __field(unsigned int, curr_max)
+ __field(unsigned int, curr_openmin)
+ __field(unsigned int, curr_openmax)
+ __field(unsigned int, curr_integer)
+ __field(unsigned int, curr_empty)
+ ),
+ TP_fast_assign(
+ __entry->card = substream->pcm->card->number;
+ __entry->device = substream->pcm->device;
+ __entry->subdevice = substream->number;
+ __entry->direction = substream->stream;
+ __entry->type = type;
+ __entry->index = index;
+ __entry->total = substream->runtime->hw_constraints.rules_num;
+ __entry->prev_min = prev->min;
+ __entry->prev_max = prev->max;
+ __entry->prev_openmin = prev->openmin;
+ __entry->prev_openmax = prev->openmax;
+ __entry->prev_integer = prev->integer;
+ __entry->prev_empty = prev->empty;
+ __entry->curr_min = curr->min;
+ __entry->curr_max = curr->max;
+ __entry->curr_openmin = curr->openmin;
+ __entry->curr_openmax = curr->openmax;
+ __entry->curr_integer = curr->integer;
+ __entry->curr_empty = curr->empty;
+ ),
+ TP_printk("%d,%d,%d,%d %03d/%03d %s %d %d %s%u %u%s %d %d %s%u %u%s",
+ __entry->card,
+ __entry->device,
+ __entry->subdevice,
+ __entry->direction,
+ __entry->index,
+ __entry->total,
+ __print_symbolic(__entry->type, hw_param_labels),
+ __entry->prev_empty,
+ __entry->prev_integer,
+ __entry->prev_openmin ? "(" : "[",
+ __entry->prev_min,
+ __entry->prev_max,
+ __entry->prev_openmax ? ")" : "]",
+ __entry->curr_empty,
+ __entry->curr_integer,
+ __entry->curr_openmin ? "(" : "[",
+ __entry->curr_min,
+ __entry->curr_max,
+ __entry->curr_openmax ? ")" : "]"
+ )
+);
+
+#endif /* _PCM_PARAMS_TRACE_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE pcm_param_trace
+#include <trace/define_trace.h>
generated by cgit (git 2.34.1) at 2024-05-21 07:26:50 +0000