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qcacmn: Implement WMI/Credit History log print APIs

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Create output agnostic log print APIs for WMI and Credit History to
enhance the debugging experience.

Change-Id: Ie89a9cb3b54c373ac2610d62003e940da17696d8
CRs-Fixed: 2028762
This commit is contained in:
Dustin Brown 2017-04-03 17:00:07 -07:00 • committed by Sandeep Puligilla
commit 536064a37e
7 changed files with 282 additions and 2 deletions
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6
htc/htc_api.h
View file

@ -802,4 +802,10 @@ void htc_set_wmi_endpoint_count(HTC_HANDLE htc_handle, uint8_t wmi_ep_count);
* return: WMI enpoint count
*/
uint8_t htc_get_wmi_endpoint_count(HTC_HANDLE htc_handle);
#ifdef WMI_INTERFACE_EVENT_LOGGING
void htc_print_credit_history(HTC_HANDLE htc, uint32_t count,
qdf_abstract_print * print, void *print_priv);
#endif
#endif /* _HTC_API_H_ */

19
htc/htc_internal.h
View file

@ -92,6 +92,25 @@ typedef enum {
HTC_INITIAL_WAKE_UP,
} htc_credit_exchange_type;
static inline const char*
htc_credit_exchange_type_str(htc_credit_exchange_type type)
{
switch (type) {
case HTC_REQUEST_CREDIT:
return "HTC_REQUEST_CREDIT";
case HTC_PROCESS_CREDIT_REPORT:
return "HTC_PROCESS_CREDIT_REPORT";
case HTC_SUSPEND_ACK:
return "HTC_SUSPEND_ACK";
case HTC_SUSPEND_NACK:
return "HTC_SUSPEND_NACK";
case HTC_INITIAL_WAKE_UP:
return "HTC_INITIAL_WAKE_UP";
default:
return "Unknown htc_credit_exchange_type";
}
}
typedef struct {
htc_credit_exchange_type type;
uint64_t time;

45
htc/htc_send.c
View file

@ -55,6 +55,7 @@ static unsigned ep_debug_mask =
/* HTC Control Path Credit History */
uint32_t g_htc_credit_history_idx = 0;
uint32_t g_htc_credit_history_length;
HTC_CREDIT_HISTORY htc_credit_history_buffer[HTC_CREDIT_HISTORY_MAX];
/**
@ -85,9 +86,53 @@ void htc_credit_record(htc_credit_exchange_type type, uint32_t tx_credit,
tx_credit;
htc_credit_history_buffer[g_htc_credit_history_idx].htc_tx_queue_depth =
htc_tx_queue_depth;
g_htc_credit_history_idx++;
g_htc_credit_history_length++;
}
#ifdef WMI_INTERFACE_EVENT_LOGGING
void htc_print_credit_history(HTC_HANDLE htc, uint32_t count,
qdf_abstract_print *print, void *print_priv)
{
uint32_t idx;
HTC_TARGET *target;
target = GET_HTC_TARGET_FROM_HANDLE(htc);
LOCK_HTC_CREDIT(target);
if (count > HTC_CREDIT_HISTORY_MAX)
count = HTC_CREDIT_HISTORY_MAX;
if (count > g_htc_credit_history_length)
count = g_htc_credit_history_length;
/* subtract count from index, and wrap if necessary */
idx = HTC_CREDIT_HISTORY_MAX + g_htc_credit_history_idx - count;
idx %= HTC_CREDIT_HISTORY_MAX;
print(print_priv,
"Time (seconds) Type Credits Queue Depth");
while (count) {
HTC_CREDIT_HISTORY *hist = &htc_credit_history_buffer[idx];
long long us = qdf_log_timestamp_to_usecs(hist->time);
print(print_priv, "% 8lld.%06lld %-25s %-7.d %d",
us / 1000000,
us % 1000000,
htc_credit_exchange_type_str(hist->type),
hist->tx_credit,
hist->htc_tx_queue_depth);
--count;
++idx;
if (idx >= HTC_CREDIT_HISTORY_MAX)
idx = 0;
}
UNLOCK_HTC_CREDIT(target);
}
#endif /* WMI_INTERFACE_EVENT_LOGGING */
void htc_dump_counter_info(HTC_HANDLE HTCHandle)
{
HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle);