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qcacmn: Refactor the hif_latency detection code based on the bitmap

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Based on the bitmap whether the issue is because of the
HIF_DETECT_TASKLET or HIF_DETECT_CREDIT, the hif_latency detection
code needs to be refactor to different functions so that it will
help parsing tools to find the reason of crash.

Change-Id: I2d8a83493354dfbd1c484cb7727018ddeb14c158
CRs-Fixed: 2929736
This commit is contained in:
Abdul Muqtadeer Ahmed
2021-04-21 14:06:50 +05:30
committed by Madan Koyyalamudi
parent a4102c7377
commit f284efa6f8
2 changed files with 56 additions and 29 deletions
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83
hif/src/hif_main.c
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@@ -651,44 +651,24 @@ static void hif_cpuhp_unregister(struct hif_softc *scn)
#endif /* ifdef HIF_CPU_PERF_AFFINE_MASK */
#ifdef HIF_DETECTION_LATENCY_ENABLE
/**
* hif_check_detection_latency(): to check if latency for tasklet/credit
*
* @scn: hif context
* @from_timer: if called from timer handler
* @bitmap_type: indicate if check tasklet or credit
*
* Return: none
*/
void hif_check_detection_latency(struct hif_softc *scn,
bool from_timer,
uint32_t bitmap_type)
void hif_tasklet_latency(struct hif_softc *scn, bool from_timer)
{
qdf_time_t ce2_tasklet_sched_time =
scn->latency_detect.ce2_tasklet_sched_time;
qdf_time_t ce2_tasklet_exec_time =
scn->latency_detect.ce2_tasklet_exec_time;
qdf_time_t credit_request_time =
scn->latency_detect.credit_request_time;
qdf_time_t credit_report_time =
scn->latency_detect.credit_report_time;
qdf_time_t curr_jiffies = qdf_system_ticks();
uint32_t detect_latency_threshold =
scn->latency_detect.detect_latency_threshold;
int cpu_id = qdf_get_cpu();
if (QDF_GLOBAL_MISSION_MODE != hif_get_conparam(scn))
return;
if (!scn->latency_detect.enable_detection)
return;
/* 2 kinds of check here.
* from_timer==true: check if tasklet or credit report stall
* from_timer==false: check tasklet execute or credit report comes late
* from_timer==true: check if tasklet stall
* from_timer==false: check tasklet execute comes late
*/
if (bitmap_type & BIT(HIF_DETECT_TASKLET) &&
(from_timer ?
if ((from_timer ?
qdf_system_time_after(ce2_tasklet_sched_time,
ce2_tasklet_exec_time) :
qdf_system_time_after(ce2_tasklet_exec_time,
@@ -704,9 +684,29 @@ void hif_check_detection_latency(struct hif_softc *scn,
cpu_id, (void *)_RET_IP_);
goto latency;
}
return;
if (bitmap_type & BIT(HIF_DETECT_CREDIT) &&
(from_timer ?
latency:
qdf_trigger_self_recovery(NULL, QDF_TASKLET_CREDIT_LATENCY_DETECT);
}
void hif_credit_latency(struct hif_softc *scn, bool from_timer)
{
qdf_time_t credit_request_time =
scn->latency_detect.credit_request_time;
qdf_time_t credit_report_time =
scn->latency_detect.credit_report_time;
qdf_time_t curr_jiffies = qdf_system_ticks();
uint32_t detect_latency_threshold =
scn->latency_detect.detect_latency_threshold;
int cpu_id = qdf_get_cpu();
/* 2 kinds of check here.
* from_timer==true: check if credit report stall
* from_timer==false: check credit report comes late
*/
if ((from_timer ?
qdf_system_time_after(credit_request_time,
credit_report_time) :
qdf_system_time_after(credit_report_time,
@@ -722,13 +722,38 @@ void hif_check_detection_latency(struct hif_softc *scn,
cpu_id, (void *)_RET_IP_);
goto latency;
}
return;
latency:
qdf_trigger_self_recovery(NULL, QDF_TASKLET_CREDIT_LATENCY_DETECT);
}
/**
* hif_check_detection_latency(): to check if latency for tasklet/credit
*
* @scn: hif context
* @from_timer: if called from timer handler
* @bitmap_type: indicate if check tasklet or credit
*
* Return: none
*/
void hif_check_detection_latency(struct hif_softc *scn,
bool from_timer,
uint32_t bitmap_type)
{
if (QDF_GLOBAL_MISSION_MODE != hif_get_conparam(scn))
return;
if (!scn->latency_detect.enable_detection)
return;
if (bitmap_type & BIT(HIF_DETECT_TASKLET))
hif_tasklet_latency(scn, from_timer);
if (bitmap_type & BIT(HIF_DETECT_CREDIT))
hif_credit_latency(scn, from_timer);
}
static void hif_latency_detect_timeout_handler(void *arg)
{
struct hif_softc *scn = (struct hif_softc *)arg;