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qcacmn: Create qdf_log_timestamp_to_secs helper function

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Create a timestamp conversion helper that returns whole seconds and
remaining micro seconds, for easier consumption by logging methods.

Change-Id: I5bc40075566485f3dc9f7e5fd81a13ec462c5da0
CRs-Fixed: 2031564
This commit is contained in:
Dustin Brown
2017-04-10 13:26:56 -07:00
committed by Sandeep Puligilla
parent 674c4a0650
commit 6cb0fa1c4f
3 changed files with 37 additions and 11 deletions
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7
htc/htc_send.c
View File

@@ -114,11 +114,12 @@ void htc_print_credit_history(HTC_HANDLE htc, uint32_t count,
"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);
uint64_t secs, usecs;
qdf_log_timestamp_to_secs(hist->time, &secs, &usecs);
print(print_priv, "% 8lld.%06lld %-25s %-7.d %d",
us / 1000000,
us % 1000000,
secs,
usecs,
htc_credit_exchange_type_str(hist->type),
hist->tx_credit,
hist->htc_tx_queue_depth);

31
qdf/inc/qdf_time.h
View File

@@ -168,16 +168,39 @@ enum qdf_timestamp_unit {
#ifdef QCA_WIFI_3_0_ADRASTEA
#define QDF_LOG_TIMESTAMP_UNIT QTIMER
#define QDF_LOG_TIMESTAMP_CYCLES_PER_10_US 192
static inline uint64_t qdf_log_timestamp_to_usecs(uint64_t time)
{
/*
* Try to preserve precision by multiplying by 10 first.
* If that would cause a wrap around, divide first instead.
*/
if (time * 10 < time) {
do_div(time, QDF_LOG_TIMESTAMP_CYCLES_PER_10_US);
return time * 10;
}
time = time * 10;
do_div(time, QDF_LOG_TIMESTAMP_CYCLES_PER_10_US);
return time;
}
#else
#define QDF_LOG_TIMESTAMP_UNIT KERNEL_LOG
#define QDF_LOG_TIMESTAMP_CYCLES_PER_10_US 10
static inline uint64_t qdf_log_timestamp_to_usecs(uint64_t time)
{
/* timestamps are already in micro seconds */
return time;
}
#endif
static inline unsigned long long qdf_log_timestamp_to_usecs(uint64_t time)
static inline void qdf_log_timestamp_to_secs(uint64_t time, uint64_t *secs,
uint64_t *usecs)
{
if ((time * 10) < time)
return (time / QDF_LOG_TIMESTAMP_CYCLES_PER_10_US) * 10;
return (time * 10) / QDF_LOG_TIMESTAMP_CYCLES_PER_10_US;
*secs = qdf_log_timestamp_to_usecs(time);
*usecs = do_div(*secs, 1000000ul);
}
static inline uint64_t qdf_usecs_to_log_timestamp(uint64_t usecs)

10
wmi/src/wmi_unified.c
View File

@@ -588,13 +588,14 @@ wmi_print_cmd_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count,
while (count) {
struct wmi_command_debug *cmd_log = (struct wmi_command_debug *)
&((struct wmi_command_debug *)log_buffer->buf)[idx];
long long us = qdf_log_timestamp_to_usecs(cmd_log->time);
uint64_t secs, usecs;
int len = 0;
int i;
qdf_log_timestamp_to_secs(cmd_log->time, &secs, &usecs);
len += scnprintf(str + len, sizeof(str) - len,
"% 8lld.%06lld %6u (0x%06x) ",
us / 1000000, us % 1000000,
secs, usecs,
cmd_log->command, cmd_log->command);
for (i = 0; i < data_len; ++i) {
len += scnprintf(str + len, sizeof(str) - len,
@@ -641,13 +642,14 @@ wmi_print_event_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count,
while (count) {
struct wmi_event_debug *event_log = (struct wmi_event_debug *)
&((struct wmi_event_debug *)log_buffer->buf)[idx];
long long us = qdf_log_timestamp_to_usecs(event_log->time);
uint64_t secs, usecs;
int len = 0;
int i;
qdf_log_timestamp_to_secs(event_log->time, &secs, &usecs);
len += scnprintf(str + len, sizeof(str) - len,
"% 8lld.%06lld %6u (0x%06x) ",
us / 1000000, us % 1000000,
secs, usecs,
event_log->event, event_log->event);
for (i = 0; i < data_len; ++i) {
len += scnprintf(str + len, sizeof(str) - len,