[Sound-open-firmware] [RFC PATCH v2 05/29] Change trace macro definition and API for trace level checking.

Yan Wang yan.wang at linux.intel.com
Fri May 11 07:58:03 CEST 2018


On 5/11/2018 1:43 PM, Ranjani Sridharan wrote:
> On Thu, 2018-05-10 at 19:31 +0800, sound-open-firmware-bounces at alsa-
> project.org wrote:
>> From: Yan Wang <yan.wang at linux.intel.com>
>>
>> TRACEV and TRACEE are unnecessary because new trace API could
>> cover every level (ERROR is 0, NORMAL is 1 and VERBOSE is 2).
>> And global, component, buffer and pipeline have different trace
>> level checking.:
>> For scheduler trace, it uses pipeline trace class previously but
>> no pipeline structure as input parameter. So add a new global trace
>> class for it.
>>
>> Signed-off-by: Yan Wang <yan.wang at linux.intel.com>
>> ---
>> Test with:
>> CNL nocodec
>> SOF master: c1f2682c210201bbbc96fce7b382b25b90d19775
>> SOF-Tool master: 86fe688a2b4f68a1ce87e0951686be12a00f1a3c
>> https://github.com/plbossart/sound/tree/topic/sof-v4.14:
>> d09db67c5a9d6dfc85f700669fa2e43c678c8d51
>> ---
>>   src/include/sof/trace.h | 197 +++++++++++++++++++++++++++++++++++++-
>> ----------
>>   src/lib/trace.c         | 101 +++++++++++++++++++++++++
>>   2 files changed, 254 insertions(+), 44 deletions(-)
>>
>> diff --git a/src/include/sof/trace.h b/src/include/sof/trace.h
>> index 2fd77fe..c2d874c 100644
>> --- a/src/include/sof/trace.h
>> +++ b/src/include/sof/trace.h
>> @@ -96,13 +96,16 @@
>>   #define TRACE_CLASS_EQ_IIR      (20 << 24)
>>   #define TRACE_CLASS_SA		(21 << 24)
>>   #define TRACE_CLASS_DMIC	(22 << 24)
>> +#define TRACE_CLASS_SCH		(23 << 24)
>>   
>>   /* move to config.h */
>>   #define TRACE	1
>> -#define TRACEV	0
>> -#define TRACEE	1
>>   #define TRACEM	0 /* send all trace messages to mbox and local
>> trace buffer */
>>   
>> +#define ERROR_LEVEL	0
>> +#define NORMAL_LEVEL	1
>> +#define VERBOSE_LEVEL	2
>> +
>>   void _trace_event(uint32_t event);
>>   void _trace_event_mbox(uint32_t event);
>>   void _trace_event_atomic(uint32_t event);
>> @@ -111,63 +114,169 @@ void trace_flush(void);
>>   void trace_off(void);
>>   void trace_init(struct sof *sof);
>>   
>> +#define DECLARE_MODULE_TRACE_FUNCTION(NAME, MODULE) \
>> +	void _trace_##NAME##_event(struct MODULE *m, \
>> +				   uint32_t level, uint32_t event);
>> \
>> +	void _trace_##NAME##_event_mbox(struct MODULE *m, \
>> +					uint32_t level, uint32_t
>> event); \
>> +	void _trace_##NAME##_event_atomic(struct MODULE *m, \
>> +					  uint32_t level, uint32_t
>> event); \
>> +	void _trace_##NAME##_event_mbox_atomic(struct MODULE *m, \
>> +					       uint32_t level,
>> uint32_t event);
>> +
>> +struct comp_dev;
>> +struct comp_buffer;
>> +struct pipeline;
>> +
>> +DECLARE_MODULE_TRACE_FUNCTION(comp, comp_dev)
>> +DECLARE_MODULE_TRACE_FUNCTION(buf, comp_buffer)
>> +DECLARE_MODULE_TRACE_FUNCTION(pipe, pipeline)
> 
> Yan, just curious, why do we need to define these here in trace.h?
> Cant we define them in buffer.c, pipeline.c and component.c? And have
> them call a generic trace function in trace.h?

Yes. I can modify it.
Thanks.

Yan Wang

> 
>> +
>> +void _trace_global_event(uint32_t level, uint32_t event);
>> +void _trace_global_event_mbox(uint32_t level, uint32_t event);
>> +void _trace_global_event_atomic(uint32_t level, uint32_t event);
>> +void _trace_global_event_mbox_atomic(uint32_t level, uint32_t
>> event);
>> +
>> +void _trace_global_value(uint32_t level, uint32_t value);
>> +void _trace_global_value_mbox(uint32_t level, uint32_t value);
>> +void _trace_global_value_atomic(uint32_t level, uint32_t value);
>> +void _trace_global_value_mbox_atomic(uint32_t level, uint32_t
>> value);
>> +
>>   #if TRACE
>>   
>> -/* send all trace to mbox and local trace buffer */
>> +#define trace_point(x) platform_trace_point(x)
>> +
>> +/* send component trace to mbox and local trace buffer */
>>   #if TRACEM
>> -#define trace_event(__c, __e) \
>> -	_trace_event_mbox(__c | (__e[0] << 16) | (__e[1] << 8) |
>> __e[2])
>> -#define trace_event_atomic(__c, __e) \
>> -	_trace_event_mbox_atomic(__c | (__e[0] << 16) | (__e[1] <<
>> 8) | __e[2])
>> -/* send trace events only to the local trace buffer */
>> +#define trace_comp_event(__cd, __l, __c, __e) \
>> +	_trace_comp_event_mbox(__cd, __l, \
>> +			       __c | (__e[0] << 16) | (__e[1] << 8)
>> | __e[2])
>> +#define trace_comp_event_atomic(__cd, __l, __c, __e) \
>> +	_trace_comp_event_mbox_atomic_(__cd, __l, \
>> +				       __c | (__e[0] << 16) | \
>> +				       (__e[1] << 8) | __e[2])
>> +#define trace_comp_value(cd, l, x) \
>> +	_trace_comp_event_mbox(cd, l, x)
>> +#define trace_comp_value_atomic(cd, l, x) \
>> +	_trace_comp_event_mobox_atomic(cd, l, x)
>> +/* send component trace only to the local trace buffer */
>>   #else
>> -#define trace_event(__c, __e) \
>> -	_trace_event(__c | (__e[0] << 16) | (__e[1] <<8) | __e[2])
>> -#define trace_event_atomic(__c, __e) \
>> -	_trace_event_atomic(__c | (__e[0] << 16) | (__e[1] <<8) |
>> __e[2])
>> +#define trace_comp_event(__cd, __l, __c, __e) \
>> +	_trace_comp_event(__cd, __l, \
>> +			  __c | (__e[0] << 16) | (__e[1] << 8) |
>> __e[2])
>> +#define trace_comp_event_atomic(__cd, __l, __c, __e) \
>> +	_trace_comp_event_atomic(__cd, __l, \
>> +				 __c | (__e[0] << 16) | (__e[1] <<
>> 8) | __e[2])
>> +#define trace_comp_value(cd, l, x) \
>> +	_trace_comp_event(cd, l, x)
>> +#define trace_comp_value_atomic(cd, l, x) \
>> +	_trace_comp_event_atomic(cd, l, x)
>>   #endif
>> -#define trace_value(x)	_trace_event(x)
>> -#define trace_value_atomic(x)	_trace_event_atomic(x)
>>   
>> -#define trace_point(x) platform_trace_point(x)
>> +/* send buffer trace to mbox and local trace buffer */
>> +#if TRACEM
>> +#define trace_buf_event(__cb, __l, __c, __e) \
>> +	_trace_buf_event_mbox(__cb, __l, \
>> +			      __c | (__e[0] << 16) | (__e[1] << 8) |
>> __e[2])
>> +#define trace_buf_event_atomic(__cb, __l, __c, __e) \
>> +	_trace_buf_event_mbox_atomic_(__cb, __l, \
>> +				      __c | (__e[0] << 16) | \
>> +				      (__e[1] << 8) | __e[2])
>> +#define trace_buf_value(cb, l, x) \
>> +	_trace_buf_event_mbox(cb, l, x)
>> +#define trace_buf_value_atomic(cb, l, x) \
>> +	_trace_buf_event_mbox_atomic(cb, l, x)
>> +/* send buffer trace only to the local trace buffer */
>> +#else
>> +#define trace_buf_event(__cb, __l, __c, __e) \
>> +	_trace_buf_event(__cb, __l, \
>> +			 __c | (__e[0] << 16) | (__e[1] << 8) |
>> __e[2])
>> +#define trace_buf_event_atomic(__cb, __l, __c, __e) \
>> +	_trace_buf_event_atomic(__cb, __l, \
>> +				__c | (__e[0] << 16) | (__e[1] << 8)
>> | __e[2])
>> +#define trace_buf_value(cb, l, x) \
>> +	_trace_buf_event(cb, l, x)
>> +#define trace_buf_value_atomic(cb, l, x) \
>> +	_trace_buf_event_atomic(cb, l, x)
>> +#endif
>>   
>> -/* verbose tracing */
>> -#if TRACEV
>> -#define tracev_event(__c, __e) trace_event(__c, __e)
>> -#define tracev_value(x)	_trace_event(x)
>> -#define tracev_event_atomic(__c, __e) trace_event_atomic(__c, __e)
>> -#define tracev_value_atomic(x)	_trace_event_atomic(x)
>> +/* send pipeline trace to mbox and local trace pipeline */
>> +#if TRACEM
>> +#define trace_pipeline_event(__cp, __l, __c, __e) \
>> +	_trace_pipe_event_mbox(__cp, __l, \
>> +			       __c | (__e[0] << 16) | (__e[1] << 8)
>> | __e[2])
>> +#define trace_pipeline_event_atomic(__cp, __l, __c, __e) \
>> +	_trace_pipe_event_mbox_atomic_(__cp, __l, \
>> +				       __c | (__e[0] << 16) | \
>> +				       (__e[1] << 8) | __e[2])
>> +#define trace_pipeline_value(cb, l, x) \
>> +	_trace_pipe_event_mbox(cb, l, x)
>> +#define trace_pipeline_value_atomic(cb, l, x) \
>> +	_trace_pipe_event_mbox_atomic(cb, l, x)
>> +/* send pipeline trace only to the local trace pipeline */
>>   #else
>> -#define tracev_event(__c, __e)
>> -#define tracev_value(x)
>> -#define tracev_event_atomic(__c, __e)
>> -#define tracev_value_atomic(x)
>> +#define trace_pipeline_event(__cp, __l, __c, __e) \
>> +	_trace_pipe_event(__cp, __l, \
>> +			  __c | (__e[0] << 16) | (__e[1] << 8) |
>> __e[2])
>> +#define trace_pipeline_event_atomic(__cp, __l, __c, __e) \
>> +	_trace_pipe_event_atomic(__cp, __l, \
>> +				 __c | (__e[0] << 16) | (__e[1] <<
>> 8) | __e[2])
>> +#define trace_pipeline_value(cb, l, x) \
>> +	_trace_pipe_event(cb, l, x)
>> +#define trace_pipeline_value_atomic(cb, l, x) \
>> +	_trace_pipe_event_atomic(cb, l, x)
>>   #endif
>>   
>> -/* error tracing */
>> -#if TRACEE
>> -#define trace_error(__c, __e) \
>> -	_trace_event_mbox_atomic(__c | (__e[0] << 16) | (__e[1] <<
>> 8) | __e[2])
>> -#define trace_error_atomic(__c, __e) \
>> -	_trace_event_mbox_atomic(__c | (__e[0] << 16) | (__e[1] <<
>> 8) | __e[2])
>> -/* write back error value to mbox */
>> -#define trace_error_value(x) _trace_event_mbox_atomic(x)
>> -#define trace_error_value_atomic(x) _trace_event_mbox_atomic(x)
>> +/* send global trace to mbox and local trace buffer */
>> +#if TRACEM
>> +#define trace_global_event(__l, __c, __e) \
>> +	_trace_global_event_mbox(__l, \
>> +				 __c | (__e[0] << 16) | (__e[1] <<
>> 8) | __e[2])
>> +#define trace_global_event_atomic(__l, __c, __e) \
>> +	_trace_global_event_mbox_atomic_(__l, \
>> +					 __c | (__e[0] << 16) | \
>> +					 (__e[1] << 8) | __e[2])
>> +#define trace_global_value(l, x) \
>> +	_trace_global_value_mbox(l, x)
>> +#define trace_global_value_atomic(l, x) \
>> +	_trace_global_value_mbox_atomic(l, x)
>> +/* send global trace only to the local trace buffer */
>>   #else
>> -#define trace_error(__c, __e)
>> -#define trace_error_atomic(__c, __e)
>> -#define trace_error_value(x)
>> -#define trace_error_value_atomic(x)
>> +#define trace_global_event(__l, __c, __e) \
>> +	_trace_global_event(__l, \
>> +			    __c | (__e[0] << 16) | \
>> +			    (__e[1] << 8) | __e[2])
>> +#define trace_global_event_atomic(__l, __c, __e) \
>> +	_trace_global_event_atomic(__l, \
>> +				   __c | (__e[0] << 16) | \
>> +				   (__e[1] << 8) | __e[2])
>> +#define trace_global_value(l, x) \
>> +	_trace_global_value(l, x)
>> +#define trace_global_value_atomic(l, x) \
>> +	_trace_global_value_atomic(l, x)
>>   #endif
>>   
>>   #else
>>   
>> -#define trace_event(x, e)
>> -#define trace_error(c, e)
>> -#define trace_value(x)
>> -#define trace_point(x)
>> -#define tracev_event(__c, __e)
>> -#define tracev_value(x)
>> +#define trace_comp_event(cd, l, x, e)
>> +#define trace_comp_event_atomic(cd, l, c, e)
>> +#define trace_comp_value(cd, l, x)
>> +#define trace_comp_value_atomic(cd, l, x)
>> +
>> +#define trace_buf_event(cd, l, x, e)
>> +#define trace_buf_event_atomic(cd, l, c, e)
>> +#define trace_buf_value(cd, l, x)
>> +#define trace_buf_value_atomic(cd, l, x)
>> +
>> +#define trace_pipeline_event(cd, l, x, e)
>> +#define trace_pipeline_event_atomic(cd, l, c, e)
>> +#define trace_pipeline_value(cd, l, x)
>> +#define trace_pipeline_value_atomic(cd, l, x)
>> +
>> +#define trace_global_event(l, x, e)
>> +#define trace_global_event_atomic(l, c, e)
>> +#define trace_global_value(l, x)
>> +#define trace_global_value_atomic(l, x)
>>   
>>   #endif
>>   
>> diff --git a/src/lib/trace.c b/src/lib/trace.c
>> index 0c37858..c522330 100644
>> --- a/src/lib/trace.c
>> +++ b/src/lib/trace.c
>> @@ -35,6 +35,9 @@
>>   #include <platform/timer.h>
>>   #include <sof/lock.h>
>>   #include <sof/dma-trace.h>
>> +#include <sof/audio/component.h>
>> +#include <sof/audio/buffer.h>
>> +#include <sof/audio/pipeline.h>
>>   #include <stdint.h>
>>   
>>   struct trace {
>> @@ -136,6 +139,104 @@ void _trace_event_mbox_atomic(uint32_t event)
>>   	dcache_writeback_region((void *)t, sizeof(uint64_t) * 2);
>>   }
>>   
>> +#define DEFINE_MODULE_TRACE_FUNCTION(NAME, MODULE) \
>> +inline void _trace_##NAME##_event(struct MODULE *m, \
>> +				  uint32_t level, uint32_t event) \
>> +{ \
>> +	if (m && m->trace_level < level) \
>> +		return; \
>> +	_trace_event(event); \
>> +} \
>> +inline void _trace_##NAME##_event_atomic(struct MODULE *m, \
>> +					 uint32_t level, uint32_t
>> event) \
>> +{ \
>> +	if (m && m->trace_level < level) \
>> +		return; \
>> +	_trace_event_atomic(event); \
>> +} \
>> +inline void _trace_##NAME##_event_mbox(struct MODULE *m, \
>> +				       uint32_t level, uint32_t
>> event) \
>> +{ \
>> +	if (m && m->trace_level < level) \
>> +		return; \
>> +	_trace_event_mbox(event); \
>> +} \
>> +inline void _trace_##NAME##_event_mbox_atomic(struct MODULE *m, \
>> +					      uint32_t level,
>> uint32_t event) \
>> +{ \
>> +	if (m && m->trace_level < level) \
>> +		return; \
>> +	_trace_event_mbox_atomic(event); \
>> +}
>> +
>> +DEFINE_MODULE_TRACE_FUNCTION(comp, comp_dev)
>> +DEFINE_MODULE_TRACE_FUNCTION(buf, comp_buffer)
>> +DEFINE_MODULE_TRACE_FUNCTION(pipe, pipeline)
>> +
>> +inline void _trace_global_event(uint32_t level, uint32_t event)
>> +{
>> +	if (get_global_class_trace_level(event) < level)
>> +		return;
>> +
>> +	_trace_event(event);
>> +}
>> +
>> +inline void _trace_global_event_atomic(uint32_t level, uint32_t
>> event)
>> +{
>> +	if (get_global_class_trace_level(event) < level)
>> +		return;
>> +
>> +	_trace_event_atomic(event);
>> +}
>> +
>> +inline void _trace_global_event_mbox(uint32_t level, uint32_t event)
>> +{
>> +	if (get_global_class_trace_level(event) < level)
>> +		return;
>> +
>> +	_trace_event_mbox(event);
>> +}
>> +
>> +inline void _trace_global_event_mbox_atomic(uint32_t level, uint32_t
>> event)
>> +{
>> +	if (get_global_class_trace_level(event) < level)
>> +		return;
>> +
>> +	_trace_event_mbox_atomic(event);
>> +}
>> +
>> +inline void _trace_global_value(uint32_t level, uint32_t value)
>> +{
>> +	if (get_global_value_trace_level() < level)
>> +		return;
>> +
>> +	_trace_event(value);
>> +}
>> +
>> +inline void _trace_global_value_atomic(uint32_t level, uint32_t
>> value)
>> +{
>> +	if (get_global_value_trace_level() < level)
>> +		return;
>> +
>> +	_trace_event_atomic(value);
>> +}
>> +
>> +inline void _trace_global_value_mbox(uint32_t level, uint32_t value)
>> +{
>> +	if (get_global_value_trace_level() < level)
>> +		return;
>> +
>> +	_trace_event_mbox(value);
>> +}
>> +
>> +inline void _trace_global_value_mbox_atomic(uint32_t level, uint32_t
>> value)
>> +{
>> +	if (get_global_value_trace_level() < level)
>> +		return;
>> +
>> +	_trace_event_mbox_atomic(value);
>> +}
>> +
>>   void trace_flush(void)
>>   {
>>   	volatile uint64_t *t;
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