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xtest: stats: report heap fragmentation metric #781

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xtest: stats: report heap fragmentation metric #781

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3e80e51
xtest: Fix typo from 'Unkown' to 'Unknown'
AristoChen Mar 4, 2025
10f890e
xtest: stats: report heap fragmentation metric
jenswi-linaro Feb 23, 2025
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10 changes: 10 additions & 0 deletions host/xtest/stats.c
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
#include <errno.h>
#include <fnmatch.h>
#include <inttypes.h>
#include <math.h>
#include <pta_stats.h>
#include <stdbool.h>
#include <stdint.h>
Expand Down Expand Up @@ -154,6 +155,15 @@ static int stat_alloc(int argc, char *argv[])
stats[n].desc);
printf("Bytes allocated: %"PRId32"\n",
stats[n].allocated);
if (stats[n].free2_sum) {
double free2_sum = stats[n].free2_sum;
double free_sum = stats[n].size - stats[n].allocated;
double free_quote = sqrt(free2_sum) / free_sum;
double fragmentation = 1.0 - free_quote;

printf("Fragmentation: %u %%\n",
(unsigned int)(fragmentation * 100.0));
}
printf("Max bytes allocated: %"PRId32"\n",
stats[n].max_allocated);
printf("Size of pool: %"PRId32"\n",
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2 changes: 1 addition & 1 deletion host/xtest/xtest_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,7 @@ int main(int argc, char *argv[])
ret = Do_ADBG_AppendToSuite(&all, &ADBG_Suite_ffa_spmc);
#endif
else {
fprintf(stderr, "Unkown test suite: %s\n", token);
fprintf(stderr, "Unknown test suite: %s\n", token);
ret = -1;
}
if (ret < 0)
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