[DNM] test latency threshold

Signed-off-by: Pawel Langowski <pawelx.langowski@intel.com>

Author: PLangowski

test-case/latency-metrics.sh

@@ -88,6 +88,9 @@ OPT_HAS_ARG['t']=0              OPT_VAL['t']=0
 OPT_NAME['T']='trial-until'     OPT_DESC['T']="Trial mode: repeat until this value."
 OPT_HAS_ARG['T']=1              OPT_VAL['T']=2
 
+OPT_NAME['l']='latency_threshold'   OPT_DESC['l']='latency threshold in ms'
+OPT_HAS_ARG['l']=1         OPT_VAL['l']=30
+
 func_opt_parse_option "$@"
 
 alsa_device=${OPT_VAL['d']}
@@ -106,6 +109,7 @@ jackd_period=${jackd_frames}
 jackd_nperiods=${OPT_VAL['n']}
 trial_mode=${OPT_VAL['t']}
 trial_until=${OPT_VAL['T']}
+latency_threshold=${OPT_VAL['l']}
 
 METRICS_JSON="${LOG_ROOT}/metrics_iodelay.json"
 EVENTS_JSON="${LOG_ROOT}/events_jackd.json"
@@ -254,6 +258,12 @@ report_metric()
 
     printf '%s}' "${metrics_}" >> "${RESULT_JSON}" && rm "${METRICS_JSON}"
 
+    avg_latency=$(echo "{${metrics_}}" | jq '.avg_ms')
+    dlogi "Avg latency: ${avg_latency}ms"
+    if [ "$avg_latency" -gt "$latency_threshold" ]; then
+      skip_test "Avg latency ${avg_latency}ms is higher than threshold ${latency_threshold}ms"
+    fi
+    
     xruns=$(echo "{${metrics_}}" | jq 'select(.xruns > 0).xruns')
     if [ -n "${xruns}" ] && [ "${xruns}" -gt "${max_xruns}" ]; then
       printf ']}' >> "${RESULT_JSON}"