36 #define SNPRINTF_OR_RETURN(str, size, format, ...) {                    \  argument
37         int len = snprintf((str), (size), (format), ## __VA_ARGS__);    \
39         if (len > static_cast<int>(size)) {                             \
43             (size) -= len; (str) += len;                                \
106 void StopWatch::sprint(char **str, size_t *size)  in sprint()  argument
118     if (kVerbose) SNPRINTF_OR_RETURN(*str, *size, "# Got %d samples for %s\n", mDataLen, mName);  in sprint()
121     SNPRINTF_OR_RETURN(*str, *size, "# StopWatch %s total/cumulative duration %f Samples: %d\n",  in sprint()
123     printThroughput(str, size);  in sprint()
124     printAverageMinMax(str, size);  in sprint()
130 … SNPRINTF_OR_RETURN(*str, *size, "# Name Iterations  Duration Min MinIdx Max MaxIdx SizeKbytes\n");  in sprint()
131         SNPRINTF_OR_RETURN(*str, *size, "%s %d %f %f %d %f %d %d\n", mName, mNum, mDuration,  in sprint()
139 …     SNPRINTF_OR_RETURN(*str, *size, "%f %f\n", double(second) + double(nano) / 1.0e9, mDeltas[i]);  in sprint()
217 void StopWatch::printAverageMinMax(char **str, size_t *size)  in printAverageMinMax()  argument
221         SNPRINTF_OR_RETURN(*str, *size, "# Average %s duration %f s/op\n", mName, mDuration / mNum);  in printAverageMinMax()
222 …      SNPRINTF_OR_RETURN(*str, *size, "# Standard deviation %s duration %f \n", mName, mDeviation);  in printAverageMinMax()
223 …      SNPRINTF_OR_RETURN(*str, *size, "# Min %s duration %f [%d]\n", mName, mMinDuration, mMinIdx);  in printAverageMinMax()
224 …      SNPRINTF_OR_RETURN(*str, *size, "# Max %s duration %f [%d]\n", mName, mMaxDuration, mMaxIdx);  in printAverageMinMax()
228 void StopWatch::printThroughput(char **str, size_t *size)  in printThroughput()  argument
232         SNPRINTF_OR_RETURN(*str, *size, "# Size: %d Kbytes  Total: %d\n", mSizeKbytes, mNum);  in printThroughput()
233 …   SNPRINTF_OR_RETURN(*str, *size, "# Speed %f Kbyte/s\n", double(mSizeKbytes) * mNum / mDuration);  in printThroughput()