Signed-off-by: Alexey Kodanev <[email protected]>
---
runtest/kernel_misc | 2 +-
testcases/kernel/device-drivers/Makefile | 1 +
testcases/kernel/device-drivers/acpi/.gitignore | 1 -
testcases/kernel/device-drivers/acpi/Makefile | 4 +-
.../kernel/device-drivers/acpi/ltp_acpi_cpufreq.c | 177 --------------------
testcases/kernel/device-drivers/cpufreq/.gitignore | 1 +
testcases/kernel/device-drivers/cpufreq/Makefile | 22 +++
.../kernel/device-drivers/cpufreq/cpufreq_boost.c | 177 ++++++++++++++++++++
8 files changed, 203 insertions(+), 182 deletions(-)
delete mode 100644 testcases/kernel/device-drivers/acpi/ltp_acpi_cpufreq.c
create mode 100644 testcases/kernel/device-drivers/cpufreq/.gitignore
create mode 100644 testcases/kernel/device-drivers/cpufreq/Makefile
create mode 100644 testcases/kernel/device-drivers/cpufreq/cpufreq_boost.c
diff --git a/runtest/kernel_misc b/runtest/kernel_misc
index 01b0acb..c12c31e 100644
--- a/runtest/kernel_misc
+++ b/runtest/kernel_misc
@@ -5,6 +5,6 @@ block_dev block_dev
tpci tpci
tbio tbio
ltp_acpi ltp_acpi
-ltp_acpi_cpufreq ltp_acpi_cpufreq
+cpufreq_boost cpufreq_boost
uaccess uaccess
rcu_torture rcu_torture.sh
diff --git a/testcases/kernel/device-drivers/Makefile
b/testcases/kernel/device-drivers/Makefile
index 37b6c64..a5a1745 100644
--- a/testcases/kernel/device-drivers/Makefile
+++ b/testcases/kernel/device-drivers/Makefile
@@ -20,6 +20,7 @@ include $(top_srcdir)/include/mk/env_pre.mk
SUBDIRS := acpi \
block \
+ cpufreq \
pci \
rcu \
rtc \
diff --git a/testcases/kernel/device-drivers/acpi/.gitignore
b/testcases/kernel/device-drivers/acpi/.gitignore
index 4872ffd..6aa2c12 100644
--- a/testcases/kernel/device-drivers/acpi/.gitignore
+++ b/testcases/kernel/device-drivers/acpi/.gitignore
@@ -1,6 +1,5 @@
/ltp_acpi_cmds.ko
/ltp_acpi
-/ltp_acpi_cpufreq
/*.mod.c
/modules.order
/.tmp_versions
diff --git a/testcases/kernel/device-drivers/acpi/Makefile
b/testcases/kernel/device-drivers/acpi/Makefile
index 526604d..31bf26b 100644
--- a/testcases/kernel/device-drivers/acpi/Makefile
+++ b/testcases/kernel/device-drivers/acpi/Makefile
@@ -25,9 +25,7 @@ include $(top_srcdir)/include/mk/testcases.mk
REQ_VERSION_MAJOR := 2
REQ_VERSION_PATCH := 6
-MAKE_TARGETS := ltp_acpi_cpufreq ltp_acpi ltp_acpi_cmds.ko
-
-ltp_acpi_cpufreq: LDLIBS += -lrt
+MAKE_TARGETS := ltp_acpi ltp_acpi_cmds.ko
include $(top_srcdir)/include/mk/module.mk
include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/device-drivers/acpi/ltp_acpi_cpufreq.c
b/testcases/kernel/device-drivers/acpi/ltp_acpi_cpufreq.c
deleted file mode 100644
index 423188e..0000000
--- a/testcases/kernel/device-drivers/acpi/ltp_acpi_cpufreq.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Author: Alexey Kodanev <[email protected]>
- *
- * Check support for disabling dynamic overclocking in acpi_cpufreq driver.
- * Required Linux 3.7+.
- *
- * The test compares time spent on sum calculation with/without
- * boost-disable bit. If boost is enabled we can get a slightly shorter
- * time period. Measure elapsed time instead of sysfs cpuinfo_cur_freq value,
- * because after the upstream commit 8673b83bf2f013379453b4779047bf3c6ae387e4,
- * current cpu frequency became target cpu frequency.
- */
-
-#define _GNU_SOURCE
-#include <sched.h>
-#include <time.h>
-
-#include "test.h"
-#include "usctest.h"
-#include "lapi/posix_clocks.h"
-#include "safe_macros.h"
-#include "safe_stdio.h"
-
-char *TCID = "ltp_acpi_cpufreq";
-
-#define SYSFS_CPU_DIR "/sys/devices/system/cpu/"
-
-const char boost[] = SYSFS_CPU_DIR "cpufreq/boost";
-static int boost_value;
-
-const char governor[] = SYSFS_CPU_DIR "cpu0/cpufreq/scaling_governor";
-static char governor_name[16];
-
-const char setspeed[] = SYSFS_CPU_DIR "cpu0/cpufreq/scaling_setspeed";
-const char maxspeed[] = SYSFS_CPU_DIR "cpu0/cpufreq/scaling_max_freq";
-
-static void cleanup(void)
-{
- SAFE_FILE_PRINTF(NULL, boost, "%d", boost_value);
-
- if (governor[0] != '\0')
- SAFE_FILE_PRINTF(NULL, governor, "%s", governor_name);
-
- TEST_CLEANUP;
-}
-
-static void setup(void)
-{
- int fd;
- tst_require_root(NULL);
-
- fd = open(boost, O_RDWR);
- if (fd == -1) {
- tst_brkm(TCONF, NULL,
- "acpi-cpufreq not loaded or overclock not supported");
- }
- close(fd);
-
- tst_sig(FORK, DEF_HANDLER, cleanup);
-
- SAFE_FILE_SCANF(NULL, boost, "%d", &boost_value);
-
- /* change cpu0 scaling governor */
- SAFE_FILE_SCANF(NULL, governor, "%s", governor_name);
- SAFE_FILE_PRINTF(cleanup, governor, "%s", "userspace");
-
- /* use only cpu0 */
- cpu_set_t set;
- CPU_ZERO(&set);
- CPU_SET(0, &set);
- if (sched_setaffinity(0, sizeof(cpu_set_t), &set) < 0)
- tst_brkm(TBROK | TERRNO, cleanup, "failed to set CPU0");
-
- struct sched_param params;
- params.sched_priority = sched_get_priority_max(SCHED_FIFO);
- if (sched_setscheduler(getpid(), SCHED_FIFO, ¶ms)) {
- tst_resm(TWARN | TERRNO,
- "failed to set FIFO sched with max priority");
- }
-}
-
-static void set_speed(int freq)
-{
- int set_freq;
- SAFE_FILE_SCANF(cleanup, setspeed, "%d", &set_freq);
-
- if (set_freq != freq) {
- tst_resm(TINFO, "change target speed from %d KHz to %d KHz",
- set_freq, freq);
- SAFE_FILE_PRINTF(cleanup, setspeed, "%d", freq);
- } else {
- tst_resm(TINFO, "target speed is %d KHz", set_freq);
- }
-}
-
-static int load_cpu(int max_freq_khz)
-{
- int sum = 0, i = 0, total_time_ms;
- struct timespec tv_start, tv_end;
-
- const int max_sum = max_freq_khz / 1000;
- const int units = 1000000; /* Mhz */
-
- clock_gettime(CLOCK_MONOTONIC_RAW, &tv_start);
-
- do {
- for (i = 0; i < units; ++i)
- asm ("" : : : "memory");
- } while (++sum < max_sum);
-
- clock_gettime(CLOCK_MONOTONIC_RAW, &tv_end);
-
- total_time_ms = (tv_end.tv_sec - tv_start.tv_sec) * 1000 +
- (tv_end.tv_nsec - tv_start.tv_nsec) / 1000000;
-
- if (!total_time_ms)
- tst_brkm(TBROK, cleanup, "time period is 0");
-
- tst_resm(TINFO, "elapsed time is %d ms", total_time_ms);
-
- return total_time_ms;
-}
-
-static void test_run(void)
-{
- int boost_time, boost_off_time, max_freq_khz;
- SAFE_FILE_SCANF(cleanup, maxspeed, "%d", &max_freq_khz);
- set_speed(max_freq_khz);
-
- /* Enable boost */
- if (boost_value == 0)
- SAFE_FILE_PRINTF(cleanup, boost, "1");
- tst_resm(TINFO, "load CPU0 with boost enabled");
- boost_time = load_cpu(max_freq_khz);
-
- /* Disable boost */
- SAFE_FILE_PRINTF(cleanup, boost, "0");
- tst_resm(TINFO, "load CPU0 with boost disabled");
- boost_off_time = load_cpu(max_freq_khz);
-
- boost_off_time *= .98;
-
- tst_resm((boost_time < boost_off_time) ? TPASS : TFAIL,
- "compare time spent with and without boost (-2%%)");
-}
-
-int main(int argc, char *argv[])
-{
- const char *msg;
- msg = parse_opts(argc, argv, NULL, NULL);
- if (msg != NULL)
- tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
-
- setup();
-
- test_run();
-
- cleanup();
-
- tst_exit();
-}
diff --git a/testcases/kernel/device-drivers/cpufreq/.gitignore
b/testcases/kernel/device-drivers/cpufreq/.gitignore
new file mode 100644
index 0000000..ee09908
--- /dev/null
+++ b/testcases/kernel/device-drivers/cpufreq/.gitignore
@@ -0,0 +1 @@
+/cpufreq_boost
diff --git a/testcases/kernel/device-drivers/cpufreq/Makefile
b/testcases/kernel/device-drivers/cpufreq/Makefile
new file mode 100644
index 0000000..3021d22
--- /dev/null
+++ b/testcases/kernel/device-drivers/cpufreq/Makefile
@@ -0,0 +1,22 @@
+# Copyright (c) 2014 Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+top_srcdir ?= ../../../..
+include $(top_srcdir)/include/mk/testcases.mk
+
+LDLIBS += -lrt
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/device-drivers/cpufreq/cpufreq_boost.c
b/testcases/kernel/device-drivers/cpufreq/cpufreq_boost.c
new file mode 100644
index 0000000..423188e
--- /dev/null
+++ b/testcases/kernel/device-drivers/cpufreq/cpufreq_boost.c
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Alexey Kodanev <[email protected]>
+ *
+ * Check support for disabling dynamic overclocking in acpi_cpufreq driver.
+ * Required Linux 3.7+.
+ *
+ * The test compares time spent on sum calculation with/without
+ * boost-disable bit. If boost is enabled we can get a slightly shorter
+ * time period. Measure elapsed time instead of sysfs cpuinfo_cur_freq value,
+ * because after the upstream commit 8673b83bf2f013379453b4779047bf3c6ae387e4,
+ * current cpu frequency became target cpu frequency.
+ */
+
+#define _GNU_SOURCE
+#include <sched.h>
+#include <time.h>
+
+#include "test.h"
+#include "usctest.h"
+#include "lapi/posix_clocks.h"
+#include "safe_macros.h"
+#include "safe_stdio.h"
+
+char *TCID = "ltp_acpi_cpufreq";
+
+#define SYSFS_CPU_DIR "/sys/devices/system/cpu/"
+
+const char boost[] = SYSFS_CPU_DIR "cpufreq/boost";
+static int boost_value;
+
+const char governor[] = SYSFS_CPU_DIR "cpu0/cpufreq/scaling_governor";
+static char governor_name[16];
+
+const char setspeed[] = SYSFS_CPU_DIR "cpu0/cpufreq/scaling_setspeed";
+const char maxspeed[] = SYSFS_CPU_DIR "cpu0/cpufreq/scaling_max_freq";
+
+static void cleanup(void)
+{
+ SAFE_FILE_PRINTF(NULL, boost, "%d", boost_value);
+
+ if (governor[0] != '\0')
+ SAFE_FILE_PRINTF(NULL, governor, "%s", governor_name);
+
+ TEST_CLEANUP;
+}
+
+static void setup(void)
+{
+ int fd;
+ tst_require_root(NULL);
+
+ fd = open(boost, O_RDWR);
+ if (fd == -1) {
+ tst_brkm(TCONF, NULL,
+ "acpi-cpufreq not loaded or overclock not supported");
+ }
+ close(fd);
+
+ tst_sig(FORK, DEF_HANDLER, cleanup);
+
+ SAFE_FILE_SCANF(NULL, boost, "%d", &boost_value);
+
+ /* change cpu0 scaling governor */
+ SAFE_FILE_SCANF(NULL, governor, "%s", governor_name);
+ SAFE_FILE_PRINTF(cleanup, governor, "%s", "userspace");
+
+ /* use only cpu0 */
+ cpu_set_t set;
+ CPU_ZERO(&set);
+ CPU_SET(0, &set);
+ if (sched_setaffinity(0, sizeof(cpu_set_t), &set) < 0)
+ tst_brkm(TBROK | TERRNO, cleanup, "failed to set CPU0");
+
+ struct sched_param params;
+ params.sched_priority = sched_get_priority_max(SCHED_FIFO);
+ if (sched_setscheduler(getpid(), SCHED_FIFO, ¶ms)) {
+ tst_resm(TWARN | TERRNO,
+ "failed to set FIFO sched with max priority");
+ }
+}
+
+static void set_speed(int freq)
+{
+ int set_freq;
+ SAFE_FILE_SCANF(cleanup, setspeed, "%d", &set_freq);
+
+ if (set_freq != freq) {
+ tst_resm(TINFO, "change target speed from %d KHz to %d KHz",
+ set_freq, freq);
+ SAFE_FILE_PRINTF(cleanup, setspeed, "%d", freq);
+ } else {
+ tst_resm(TINFO, "target speed is %d KHz", set_freq);
+ }
+}
+
+static int load_cpu(int max_freq_khz)
+{
+ int sum = 0, i = 0, total_time_ms;
+ struct timespec tv_start, tv_end;
+
+ const int max_sum = max_freq_khz / 1000;
+ const int units = 1000000; /* Mhz */
+
+ clock_gettime(CLOCK_MONOTONIC_RAW, &tv_start);
+
+ do {
+ for (i = 0; i < units; ++i)
+ asm ("" : : : "memory");
+ } while (++sum < max_sum);
+
+ clock_gettime(CLOCK_MONOTONIC_RAW, &tv_end);
+
+ total_time_ms = (tv_end.tv_sec - tv_start.tv_sec) * 1000 +
+ (tv_end.tv_nsec - tv_start.tv_nsec) / 1000000;
+
+ if (!total_time_ms)
+ tst_brkm(TBROK, cleanup, "time period is 0");
+
+ tst_resm(TINFO, "elapsed time is %d ms", total_time_ms);
+
+ return total_time_ms;
+}
+
+static void test_run(void)
+{
+ int boost_time, boost_off_time, max_freq_khz;
+ SAFE_FILE_SCANF(cleanup, maxspeed, "%d", &max_freq_khz);
+ set_speed(max_freq_khz);
+
+ /* Enable boost */
+ if (boost_value == 0)
+ SAFE_FILE_PRINTF(cleanup, boost, "1");
+ tst_resm(TINFO, "load CPU0 with boost enabled");
+ boost_time = load_cpu(max_freq_khz);
+
+ /* Disable boost */
+ SAFE_FILE_PRINTF(cleanup, boost, "0");
+ tst_resm(TINFO, "load CPU0 with boost disabled");
+ boost_off_time = load_cpu(max_freq_khz);
+
+ boost_off_time *= .98;
+
+ tst_resm((boost_time < boost_off_time) ? TPASS : TFAIL,
+ "compare time spent with and without boost (-2%%)");
+}
+
+int main(int argc, char *argv[])
+{
+ const char *msg;
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+
+ test_run();
+
+ cleanup();
+
+ tst_exit();
+}
--
1.7.1
------------------------------------------------------------------------------
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