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linux-next/sound/core/pcm_param_trace.h
Takashi Sakamoto 6baca010c7 ALSA: pcm: use friendly name for id of PCM substream in trace print
Use the same print format of snd_pcm_debug_name() for userspace tracing
program.

Suggested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-06-09 16:27:23 +02:00

143 lines
4.5 KiB
C

#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("pcmC%dD%d%s:%d %03d/%03d %s %08x%08x%08x%08x %08x%08x%08x%08x",
__entry->card,
__entry->device,
__entry->direction ? "c" : "p",
__entry->subdevice,
__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("pcmC%dD%d%s:%d %03d/%03d %s %d %d %s%u %u%s %d %d %s%u %u%s",
__entry->card,
__entry->device,
__entry->direction ? "c" : "p",
__entry->subdevice,
__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>