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Diffstat (limited to '')
| -rw-r--r-- | src/test/test-psi-util.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/test/test-psi-util.c b/src/test/test-psi-util.c new file mode 100644 index 0000000..0b5a30c --- /dev/null +++ b/src/test/test-psi-util.c @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <linux/loadavg.h> + +#include "alloc-util.h" +#include "fileio.h" +#include "fs-util.h" +#include "psi-util.h" +#include "tests.h" + +static void test_read_mem_pressure(void) { + _cleanup_(unlink_tempfilep) char path[] = "/tmp/pressurereadtestXXXXXX"; + ResourcePressure rp; + + if (geteuid() != 0) + return (void) log_tests_skipped("not root"); + + assert_se(mkstemp(path)); + + assert_se(read_resource_pressure("/verylikelynonexistentpath", PRESSURE_TYPE_SOME, &rp) < 0); + assert_se(read_resource_pressure(path, PRESSURE_TYPE_SOME, &rp) < 0); + + assert_se(write_string_file(path, "herpdederp\n", WRITE_STRING_FILE_CREATE) == 0); + assert_se(read_resource_pressure(path, PRESSURE_TYPE_SOME, &rp) < 0); + + /* Pressure file with some invalid values*/ + assert_se(write_string_file(path, "some avg10=0.22=55 avg60=0.17=8 avg300=1.11=00 total=58761459\n" + "full avg10=0.23=55 avg60=0.16=8 avg300=1.08=00 total=58464525", WRITE_STRING_FILE_CREATE) == 0); + assert_se(read_resource_pressure(path, PRESSURE_TYPE_SOME, &rp) < 0); + + /* Same pressure valid values as below but with duplicate avg60 field */ + assert_se(write_string_file(path, "some avg10=0.22 avg60=0.17 avg60=0.18 avg300=1.11 total=58761459\n" + "full avg10=0.23 avg60=0.16 avg300=1.08 total=58464525", WRITE_STRING_FILE_CREATE) == 0); + assert_se(read_resource_pressure(path, PRESSURE_TYPE_SOME, &rp) < 0); + + assert_se(write_string_file(path, "some avg10=0.22 avg60=0.17 avg300=1.11 total=58761459\n" + "full avg10=0.23 avg60=0.16 avg300=1.08 total=58464525", WRITE_STRING_FILE_CREATE) == 0); + assert_se(read_resource_pressure(path, PRESSURE_TYPE_SOME, &rp) == 0); + assert_se(LOAD_INT(rp.avg10) == 0); + assert_se(LOAD_FRAC(rp.avg10) == 22); + assert_se(LOAD_INT(rp.avg60) == 0); + assert_se(LOAD_FRAC(rp.avg60) == 17); + assert_se(LOAD_INT(rp.avg300) == 1); + assert_se(LOAD_FRAC(rp.avg300) == 11); + assert_se(rp.total == 58761459); + assert(read_resource_pressure(path, PRESSURE_TYPE_FULL, &rp) == 0); + assert_se(LOAD_INT(rp.avg10) == 0); + assert_se(LOAD_FRAC(rp.avg10) == 23); + assert_se(LOAD_INT(rp.avg60) == 0); + assert_se(LOAD_FRAC(rp.avg60) == 16); + assert_se(LOAD_INT(rp.avg300) == 1); + assert_se(LOAD_FRAC(rp.avg300) == 8); + assert_se(rp.total == 58464525); + + /* Pressure file with extra unsupported fields */ + assert_se(write_string_file(path, "some avg5=0.55 avg10=0.22 avg60=0.17 avg300=1.11 total=58761459\n" + "full avg10=0.23 avg60=0.16 avg300=1.08 avg600=2.00 total=58464525", WRITE_STRING_FILE_CREATE) == 0); + assert_se(read_resource_pressure(path, PRESSURE_TYPE_SOME, &rp) == 0); + assert_se(LOAD_INT(rp.avg10) == 0); + assert_se(LOAD_FRAC(rp.avg10) == 22); + assert_se(LOAD_INT(rp.avg60) == 0); + assert_se(LOAD_FRAC(rp.avg60) == 17); + assert_se(LOAD_INT(rp.avg300) == 1); + assert_se(LOAD_FRAC(rp.avg300) == 11); + assert_se(rp.total == 58761459); + assert(read_resource_pressure(path, PRESSURE_TYPE_FULL, &rp) == 0); + assert_se(LOAD_INT(rp.avg10) == 0); + assert_se(LOAD_FRAC(rp.avg10) == 23); + assert_se(LOAD_INT(rp.avg60) == 0); + assert_se(LOAD_FRAC(rp.avg60) == 16); + assert_se(LOAD_INT(rp.avg300) == 1); + assert_se(LOAD_FRAC(rp.avg300) == 8); + assert_se(rp.total == 58464525); +} + +int main(void) { + test_setup_logging(LOG_DEBUG); + test_read_mem_pressure(); + return 0; +} |