Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 78 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..4ce0811
--- /dev/null
+++ b/src/test/test-psi-util.c
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "fs-util.h"
+#include "parse-util.h"
+#include "psi-util.h"
+#include "tests.h"
+#include "tmpfile-util.h"
+
+TEST(read_mem_pressure) {
+        _cleanup_(unlink_tempfilep) char path[] = "/tmp/pressurereadtestXXXXXX";
+        _cleanup_close_ int fd = -EBADF;
+        ResourcePressure rp;
+
+        if (geteuid() != 0)
+                return (void) log_tests_skipped("not root");
+
+        assert_se((fd = mkostemp_safe(path)) >= 0);
+
+        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(LOADAVG_INT_SIDE(rp.avg10) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg10) == 22);
+        assert_se(LOADAVG_INT_SIDE(rp.avg60) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg60) == 17);
+        assert_se(LOADAVG_INT_SIDE(rp.avg300) == 1);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg300) == 11);
+        assert_se(rp.total == 58761459);
+        assert_se(read_resource_pressure(path, PRESSURE_TYPE_FULL, &rp) == 0);
+        assert_se(LOADAVG_INT_SIDE(rp.avg10) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg10) == 23);
+        assert_se(LOADAVG_INT_SIDE(rp.avg60) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg60) == 16);
+        assert_se(LOADAVG_INT_SIDE(rp.avg300) == 1);
+        assert_se(LOADAVG_DECIMAL_SIDE(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(LOADAVG_INT_SIDE(rp.avg10) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg10) == 22);
+        assert_se(LOADAVG_INT_SIDE(rp.avg60) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg60) == 17);
+        assert_se(LOADAVG_INT_SIDE(rp.avg300) == 1);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg300) == 11);
+        assert_se(rp.total == 58761459);
+        assert_se(read_resource_pressure(path, PRESSURE_TYPE_FULL, &rp) == 0);
+        assert_se(LOADAVG_INT_SIDE(rp.avg10) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg10) == 23);
+        assert_se(LOADAVG_INT_SIDE(rp.avg60) == 0);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg60) == 16);
+        assert_se(LOADAVG_INT_SIDE(rp.avg300) == 1);
+        assert_se(LOADAVG_DECIMAL_SIDE(rp.avg300) == 8);
+        assert_se(rp.total == 58464525);
+}
+
+DEFINE_TEST_MAIN(LOG_DEBUG);