d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

app/test: enhance power manager unit tests

Browse Source 
Unit Testcases are added for power_acpi_cpu_freq,
power_kvm_vm_test to improve coverage

Signed-off-by: Jananee Parthasarathy <jananeex.m.parthasarathy@intel.com>
Acked-by: David Hunt <david.hunt@intel.com>
This commit is contained in:
Reshma Pattan 2018-04-11 15:14:27 +01:00 committed by Thomas Monjalon
parent 6ace79505d
commit d550a8cc31
2 changed files with 55 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
test/test/test_power_acpi_cpufreq.c
View File

@ -27,7 +27,7 @@ test_power_acpi_cpufreq(void)
#define TEST_POWER_FREQS_NUM_MAX ((unsigned)RTE_MAX_LCORE_FREQS)
#define TEST_POWER_SYSFILE_CUR_FREQ \
"/sys/devices/system/cpu/cpu%u/cpufreq/scaling_cur_freq"
"/sys/devices/system/cpu/cpu%u/cpufreq/cpuinfo_cur_freq"
static uint32_t total_freq_num;
static uint32_t freqs[TEST_POWER_FREQS_NUM_MAX];

60
test/test/test_power_kvm_vm.c
View File

@ -25,12 +25,17 @@ test_power_kvm_vm(void)
#define TEST_POWER_VM_LCORE_ID 0U
#define TEST_POWER_VM_LCORE_OUT_OF_BOUNDS (RTE_MAX_LCORE+1)
#define TEST_POWER_VM_LCORE_INVALID 1U
#define TEMP_POWER_MANAGER_FILE_PATH "/tmp/testpm"
int guest_channel_host_connect(const char *path, unsigned int lcore_id);
static int
test_power_kvm_vm(void)
{
int ret;
enum power_management_env env;
char fPath[PATH_MAX];
FILE *fPtr = NULL;
ret = rte_power_set_env(PM_ENV_KVM_VM);
if (ret != 0) {
@ -95,12 +100,31 @@ test_power_kvm_vm(void)
/* Test initialisation of a valid lcore */
ret = rte_power_init(TEST_POWER_VM_LCORE_ID);
if (ret < 0) {
printf("Cannot initialise power management for lcore %u, this "
"may occur if environment is not configured "
"correctly(KVM VM) or operating in another valid "
"Power management environment\n", TEST_POWER_VM_LCORE_ID);
rte_power_unset_env();
return -1;
printf("rte_power_init failed as expected in host\n");
/* This test would be successful when run on VM,
* in order to run in Host itself, temporary file path
* is created and same is used for further communication
*/
snprintf(fPath, PATH_MAX, "%s.%u",
TEMP_POWER_MANAGER_FILE_PATH, TEST_POWER_VM_LCORE_ID);
fPtr = fopen(fPath, "w");
if (fPtr == NULL) {
printf(" Unable to create file\n");
rte_power_unset_env();
return -1;
}
ret = guest_channel_host_connect(TEMP_POWER_MANAGER_FILE_PATH,
TEST_POWER_VM_LCORE_ID);
if (ret == 0)
printf("guest_channel_host_connect successful\n");
else {
printf("guest_channel_host_connect failed\n");
rte_power_unset_env();
fclose(fPtr);
remove(fPath);
return -1;
}
}
/* Test initialisation of previously initialised lcore */
@ -175,6 +199,22 @@ test_power_kvm_vm(void)
goto fail_all;
}
/* Test KVM_VM Enable Turbo of valid core */
ret = rte_power_freq_enable_turbo(TEST_POWER_VM_LCORE_ID);
if (ret == -1) {
printf("rte_power_freq_enable_turbo failed on valid lcore"
"%u\n", TEST_POWER_VM_LCORE_ID);
goto fail_all;
}
/* Test KVM_VM Disable Turbo of valid core */
ret = rte_power_freq_disable_turbo(TEST_POWER_VM_LCORE_ID);
if (ret == -1) {
printf("rte_power_freq_disable_turbo failed on valid lcore"
"%u\n", TEST_POWER_VM_LCORE_ID);
goto fail_all;
}
/* Test frequency up of valid lcore */
ret = rte_power_freq_up(TEST_POWER_VM_LCORE_ID);
if (ret != 1) {
@ -274,10 +314,18 @@ test_power_kvm_vm(void)
return -1;
}
rte_power_unset_env();
if (fPtr != NULL) {
fclose(fPtr);
remove(fPath);
}
return 0;
fail_all:
rte_power_exit(TEST_POWER_VM_LCORE_ID);
rte_power_unset_env();
if (fPtr != NULL) {
fclose(fPtr);
remove(fPath);
}
return -1;
}
#endif