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authorPeter Maydell <peter.maydell@linaro.org>2021-03-14 15:13:53 +0000
committerPeter Maydell <peter.maydell@linaro.org>2021-03-14 15:13:53 +0000
commit757acb9a8295e8be4a37b2cfc1cd947e357fd29c (patch)
tree881fdcb812a8b8d067d5cb59832b3bb31ce9bcf9 /tests/unit/test-timed-average.c
parent6f8a81fc296535f73c48cf9563862e088cc71c57 (diff)
parent33bf47291ed575847d7de26b503c50e72f5aa6c3 (diff)
downloadfocaccia-qemu-757acb9a8295e8be4a37b2cfc1cd947e357fd29c.tar.gz
focaccia-qemu-757acb9a8295e8be4a37b2cfc1cd947e357fd29c.zip
Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-03-12' into staging
* Move unit and bench tests into separate directories
* Clean-up and improve gitlab-ci jobs
* Drop the non-working "check-speed" makefile target
* Minor documentation updates

# gpg: Signature made Fri 12 Mar 2021 17:18:45 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2021-03-12:
  README: Add Documentation blurb
  MAINTAINERS: Merge the Gitlab-CI section into the generic CI section
  tests: remove "make check-speed" in favor of "make bench"
  gitlab-ci.yml: Merge check-crypto-old jobs into the build-crypto-old jobs
  gitlab-ci.yml: Merge one of the coroutine jobs with the tcg-disabled job
  gitlab-ci.yml: Add some missing dependencies to the jobs
  gitlab-ci.yml: Move build-tools-and-docs-debian to a better place
  tests: Move benchmarks into a separate folder
  tests: Move unit tests into a separate directory

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tests/unit/test-timed-average.c')
-rw-r--r--tests/unit/test-timed-average.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/unit/test-timed-average.c b/tests/unit/test-timed-average.c
new file mode 100644
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+++ b/tests/unit/test-timed-average.c
@@ -0,0 +1,89 @@
+/*
+ * Timed average computation tests
+ *
+ * Copyright Nodalink, EURL. 2014
+ *
+ * Authors:
+ *  BenoƮt Canet     <benoit.canet@nodalink.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "sysemu/cpu-timers.h"
+#include "qemu/timed-average.h"
+
+/* This is the clock for QEMU_CLOCK_VIRTUAL */
+static int64_t my_clock_value;
+
+int64_t cpu_get_clock(void)
+{
+    return my_clock_value;
+}
+
+static void account(TimedAverage *ta)
+{
+    timed_average_account(ta, 1);
+    timed_average_account(ta, 5);
+    timed_average_account(ta, 2);
+    timed_average_account(ta, 4);
+    timed_average_account(ta, 3);
+}
+
+static void test_average(void)
+{
+    TimedAverage ta;
+    uint64_t result;
+    int i;
+
+    /* we will compute some average on a period of 1 second */
+    timed_average_init(&ta, QEMU_CLOCK_VIRTUAL, NANOSECONDS_PER_SECOND);
+
+    result = timed_average_min(&ta);
+    g_assert(result == 0);
+    result = timed_average_avg(&ta);
+    g_assert(result == 0);
+    result = timed_average_max(&ta);
+    g_assert(result == 0);
+
+    for (i = 0; i < 100; i++) {
+        account(&ta);
+        result = timed_average_min(&ta);
+        g_assert(result == 1);
+        result = timed_average_avg(&ta);
+        g_assert(result == 3);
+        result = timed_average_max(&ta);
+        g_assert(result == 5);
+        my_clock_value += NANOSECONDS_PER_SECOND / 10;
+    }
+
+    my_clock_value += NANOSECONDS_PER_SECOND * 100;
+
+    result = timed_average_min(&ta);
+    g_assert(result == 0);
+    result = timed_average_avg(&ta);
+    g_assert(result == 0);
+    result = timed_average_max(&ta);
+    g_assert(result == 0);
+
+    for (i = 0; i < 100; i++) {
+        account(&ta);
+        result = timed_average_min(&ta);
+        g_assert(result == 1);
+        result = timed_average_avg(&ta);
+        g_assert(result == 3);
+        result = timed_average_max(&ta);
+        g_assert(result == 5);
+        my_clock_value += NANOSECONDS_PER_SECOND / 10;
+    }
+}
+
+int main(int argc, char **argv)
+{
+    /* tests in the same order as the header function declarations */
+    g_test_init(&argc, &argv, NULL);
+    g_test_add_func("/timed-average/average", test_average);
+    return g_test_run();
+}
+