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testsuite: optional limiting of coverage dumps #94029

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Merged
merged 1 commit into from
Oct 5, 2025
Merged

testsuite: optional limiting of coverage dumps #94029

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9 changes: 9 additions & 0 deletions subsys/testsuite/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,15 @@ config COVERAGE_DUMP

endchoice

config COVERAGE_DUMP_PATH_EXCLUDE
string "Exclude files matching this pattern from the coverage data"
default ""
help
Filenames are matched against the pattern using the POSIX fnmatch
function. Filenames are based on their path in the build folder, not the
original source tree. The empty string "" disables the pattern
matching.

endif # COVERAGE_GCOV

config FORCE_COVERAGE
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7 changes: 7 additions & 0 deletions subsys/testsuite/coverage/coverage.c
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Expand Up @@ -9,6 +9,7 @@
#include <stdint.h>
#include <errno.h>
#include <string.h>
#include <fnmatch.h>
#include "coverage.h"

K_HEAP_DEFINE(gcov_heap, CONFIG_COVERAGE_GCOV_HEAP_SIZE);
Expand Down Expand Up @@ -315,6 +316,11 @@ void gcov_coverage_dump(void)
}
printk("\nGCOV_COVERAGE_DUMP_START");
while (gcov_list) {
if ((strlen(CONFIG_COVERAGE_DUMP_PATH_EXCLUDE) > 0) &&
(fnmatch(CONFIG_COVERAGE_DUMP_PATH_EXCLUDE, gcov_list->filename, 0) == 0)) {
/* Don't print a note here, it would be interpreted as dump data */
goto file_dump_end;
}

dump_on_console_start(gcov_list->filename);
size = gcov_calculate_buff_size(gcov_list);
Expand All @@ -334,6 +340,7 @@ void gcov_coverage_dump(void)
dump_on_console_data(buffer, size);

k_heap_free(&gcov_heap, buffer);
file_dump_end:
gcov_list = gcov_list->next;
if (gcov_list_first == gcov_list) {
goto coverage_dump_end;
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