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msm: camera: isp: Print event record at LDAR

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This commit prints the event record at the time of
LDAR. This commit gives information about the
last 8 events of request Submit, Apply, Epoch,
Reg Update and Buf Done.

CRs-Fixed: 3321317
Change-Id: I8d83f2b1ea0ccabc615a679489816e52ac6f00a4
Signed-off-by: Gaurav Jindal <quic_gjindal@quicinc.com>
This commit is contained in:
Gaurav Jindal
2022-09-14 03:57:57 -07:00
committed by Camera Software Integration
parent 0b09cdabc8
commit 0baa162d48
2 changed files with 53 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
drivers/cam_isp/cam_isp_context.c
View File

@@ -156,6 +156,53 @@ static void *cam_isp_ctx_user_dump_events(
return addr; return addr;
} }
static int __cam_isp_ctx_print_event_record(struct cam_isp_context *ctx_isp)
{
int i, j, rc = 0;
int index;
uint32_t oldest_entry, num_entries;
uint64_t state_head;
struct cam_isp_context_event_record *record;
uint32_t len;
uint8_t buf[CAM_ISP_CONTEXT_DBG_BUF_LEN];
struct timespec64 ts;
struct cam_context *ctx = ctx_isp->base;
for (i = 0; i < CAM_ISP_CTX_EVENT_MAX; i++) {
state_head = atomic64_read(&ctx_isp->event_record_head[i]);
if (state_head == -1) {
return 0;
} else if (state_head < CAM_ISP_CTX_EVENT_RECORD_MAX_ENTRIES) {
num_entries = state_head + 1;
oldest_entry = 0;
} else {
num_entries = CAM_ISP_CTX_EVENT_RECORD_MAX_ENTRIES;
div_u64_rem(state_head + 1,
CAM_ISP_CTX_EVENT_RECORD_MAX_ENTRIES,
&oldest_entry);
}
index = oldest_entry;
len = 0;
memset(buf, 0, CAM_ISP_CONTEXT_DBG_BUF_LEN);
for (j = 0; j < num_entries; j++) {
record = &ctx_isp->event_record[i][index];
ts = ktime_to_timespec64(record->timestamp);
len += scnprintf(buf + len, CAM_ISP_CONTEXT_DBG_BUF_LEN - len,
"%llu[%lld:%06lld] ", record->req_id, ts.tv_sec,
ts.tv_nsec / NSEC_PER_USEC);
index = (index + 1) %
CAM_ISP_CTX_EVENT_RECORD_MAX_ENTRIES;
}
if (len)
CAM_INFO(CAM_ISP, "Ctx:%d %s: %s",
ctx->ctx_id, __cam_isp_evt_val_to_type(i), buf);
}
return rc;
}
static int __cam_isp_ctx_dump_event_record( static int __cam_isp_ctx_dump_event_record(
struct cam_isp_context *ctx_isp, struct cam_isp_context *ctx_isp,
struct cam_common_hw_dump_args *dump_args) struct cam_common_hw_dump_args *dump_args)
@@ -2787,7 +2834,6 @@ notify_only:
__cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id, __cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id,
CAM_REQ_MGR_SOF_EVENT_SUCCESS); CAM_REQ_MGR_SOF_EVENT_SUCCESS);
__cam_isp_ctx_update_state_monitor_array(ctx_isp, __cam_isp_ctx_update_state_monitor_array(ctx_isp,
CAM_ISP_STATE_CHANGE_TRIGGER_EPOCH, CAM_ISP_STATE_CHANGE_TRIGGER_EPOCH,
request_id); request_id);
@@ -2858,8 +2904,8 @@ static int __cam_isp_ctx_sof_in_activated_state(
__cam_isp_ctx_update_state_monitor_array(ctx_isp, __cam_isp_ctx_update_state_monitor_array(ctx_isp,
CAM_ISP_STATE_CHANGE_TRIGGER_SOF, request_id); CAM_ISP_STATE_CHANGE_TRIGGER_SOF, request_id);
CAM_DBG(CAM_ISP, "frame id: %lld time stamp:0x%llx, ctx %u", CAM_DBG(CAM_ISP, "frame id: %lld time stamp:0x%llx, ctx %u request %llu",
ctx_isp->frame_id, ctx_isp->sof_timestamp_val, ctx->ctx_id); ctx_isp->frame_id, ctx_isp->sof_timestamp_val, ctx->ctx_id, request_id);
return rc; return rc;
} }
@@ -4910,6 +4956,7 @@ hw_dump:
diff = ktime_us_delta( diff = ktime_us_delta(
req_isp->event_timestamp[CAM_ISP_CTX_EVENT_APPLY], req_isp->event_timestamp[CAM_ISP_CTX_EVENT_APPLY],
cur_time); cur_time);
__cam_isp_ctx_print_event_record(ctx_isp);
if (diff < CAM_ISP_CTX_RESPONSE_TIME_THRESHOLD) { if (diff < CAM_ISP_CTX_RESPONSE_TIME_THRESHOLD) {
CAM_INFO(CAM_ISP, "req %lld found no error", CAM_INFO(CAM_ISP, "req %lld found no error",
req->request_id); req->request_id);

3
drivers/cam_isp/cam_isp_context.h
View File

@@ -59,6 +59,9 @@
/* AEB error count threshold */ /* AEB error count threshold */
#define CAM_ISP_CONTEXT_AEB_ERROR_CNT_MAX 3 #define CAM_ISP_CONTEXT_AEB_ERROR_CNT_MAX 3
/* Debug Buffer length*/
#define CAM_ISP_CONTEXT_DBG_BUF_LEN 300
/* forward declaration */ /* forward declaration */
struct cam_isp_context; struct cam_isp_context;