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ioc/db/test: add timing statistics to callbackTest

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This commit is contained in:
Ralph Lange
2013-03-29 11:59:30 +01:00
parent 90b9965caf
commit 3718cfa673
1 changed files with 37 additions and 2 deletions
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39
src/ioc/db/test/callbackTest.c
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@@ -3,6 +3,7 @@
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* Copyright (c) 2013 ITER Organization.
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
@@ -79,11 +80,34 @@ static void finalCallback(CALLBACK *pCallback)
epicsEventSignal(finished);
}
static void updateStats(double *stats, double val)
{
if (stats[0] > val) stats[0] = val;
if (stats[1] < val) stats[1] = val;
stats[2] += val;
stats[3] += pow(val, 2.0);
stats[4] += 1.;
}
static void printStats(double *stats, const char* tag) {
testDiag("Priority %4s min/avg/max/sigma = %f / %f / %f / %f",
tag, stats[0], stats[2]/stats[4], stats[1],
sqrt(stats[4]*stats[3]-pow(stats[2], 2.0))/stats[4]);
}
MAIN(callbackTest)
{
myPvt *pcbt[NCALLBACKS];
epicsTimeStamp start;
int i;
int i, j;
/* Statistics: min/max/sum/sum^2/n for each priority */
double setupError[NUM_CALLBACK_PRIORITIES][5];
double timeError[NUM_CALLBACK_PRIORITIES][5];
double defaultError[5] = {1,-1,0,0,0};
for (i = 0; i < NUM_CALLBACK_PRIORITIES; i++)
for (j = 0; j < 5; j++)
setupError[i][j] = timeError[i][j] = defaultError[j];
testPlan(NCALLBACKS * 2 + 1);
@@ -128,8 +152,8 @@ MAIN(callbackTest)
double delta = epicsTimeDiffInSeconds(&pcbt[i]->pass1Time, &start);
testOk(fabs(delta) < 0.05, "callback %.02f setup time |%f| < 0.05",
pcbt[i]->delay, delta);
updateStats(setupError[i%NUM_CALLBACK_PRIORITIES], delta);
}
}
for (i = 0; i < NCALLBACKS ; i++) {
@@ -140,7 +164,18 @@ MAIN(callbackTest)
error = delta - pcbt[i]->delay;
testOk(fabs(error) < 0.05, "delay %.02f seconds, callback time error |%.04f| < 0.05",
pcbt[i]->delay, error);
updateStats(timeError[i%NUM_CALLBACK_PRIORITIES], error);
}
testDiag("Setup time statistics");
printStats(setupError[0], "LOW");
printStats(setupError[1], "MID");
printStats(setupError[2], "HIGH");
testDiag("Delay time statistics");
printStats(timeError[0], "LOW");
printStats(timeError[1], "MID");
printStats(timeError[2], "HIGH");
return testDone();
}