if (str_list == NULL || names == NULL)
return -EINVAL;
+ if (strstr(str_list, ",,")) {
+ /* strtok ignores empty words between separators.
+ * This condition handles that by rejecting strings
+ * with consecutive seprators */
+ ERROR(RDT_PLUGIN ": Empty process name");
+ return -EINVAL;
+ }
+
for (;;) {
char *token = strtok_r(str_list, ",", &saveptr);
if (token == NULL)
if (*token == '\0')
continue;
- if (!(isdupstr((const char **)*names, *names_num, token)))
+ if ((isdupstr((const char **)*names, *names_num, token))) {
+ ERROR(RDT_PLUGIN ": Duplicated process name \'%s\' in group \'%s\'",
+ token, str_list);
+ return -EINVAL;
+ } else {
if (0 != strarray_add(names, names_num, token)) {
ERROR(RDT_PLUGIN ": Error allocating process name string");
return -ENOMEM;
}
+ }
}
return 0;
char value[DATA_MAX_NAME_LEN];
if ((item->values[j].value.string == NULL) ||
- (strlen(item->values[j].value.string) == 0))
- continue;
+ (strlen(item->values[j].value.string) == 0)) {
+ ERROR(RDT_PLUGIN ": Error - empty group");
+ return -EINVAL;
+ }
sstrncpy(value, item->values[j].value.string, sizeof(value));
return 0;
}
-static void rdt_free_ngroups(void) {
+static void rdt_free_ngroups(rdt_ctx_t *rdt) {
for (int i = 0; i < RDT_MAX_NAMES_GROUPS; i++) {
- if (g_rdt->ngroups[i].desc)
+ if (rdt->ngroups[i].desc)
DEBUG(RDT_PLUGIN ": Freeing pids \'%s\' group\'s data...",
- g_rdt->ngroups[i].desc);
- sfree(g_rdt->ngroups[i].desc);
- strarray_free(g_rdt->ngroups[i].names, g_rdt->ngroups[i].num_names);
+ rdt->ngroups[i].desc);
+ sfree(rdt->ngroups[i].desc);
- if (g_rdt->ngroups[i].proc_pids_array) {
- for (size_t j = 0; j < g_rdt->ngroups[i].num_names; ++j) {
- if (NULL == g_rdt->ngroups[i].proc_pids_array[j].pids)
+ strarray_free(rdt->ngroups[i].names, rdt->ngroups[i].num_names);
+
+ if (rdt->ngroups[i].proc_pids_array) {
+ for (size_t j = 0; j < rdt->ngroups[i].num_names; ++j) {
+ if (NULL == rdt->ngroups[i].proc_pids_array[j].pids)
continue;
- pids_list_free(g_rdt->ngroups[i].proc_pids_array[j].pids);
+ pids_list_free(rdt->ngroups[i].proc_pids_array[j].pids);
}
- sfree(g_rdt->ngroups[i].proc_pids_array);
+ sfree(rdt->ngroups[i].proc_pids_array);
}
- g_rdt->ngroups[i].num_names = 0;
- sfree(g_rdt->pngroups[i]);
+ rdt->ngroups[i].num_names = 0;
+ sfree(rdt->pngroups[i]);
}
}
#endif /* LIBPQOS2 */
}
#ifdef LIBPQOS2
-static int rdt_config_ngroups(const oconfig_item_t *item) {
+static int rdt_config_ngroups(rdt_ctx_t *rdt, const oconfig_item_t *item) {
int n = 0;
enum pqos_mon_event events = 0;
DEBUG(RDT_PLUGIN ": [%d]: %s", j, item->values[j].value.string);
}
- n = oconfig_to_ngroups(item, g_rdt->ngroups, RDT_MAX_NAMES_GROUPS);
+ n = oconfig_to_ngroups(item, rdt->ngroups, RDT_MAX_NAMES_GROUPS);
if (n < 0) {
- rdt_free_ngroups();
+ rdt_free_ngroups(rdt);
ERROR(RDT_PLUGIN ": Error parsing process name groups configuration.");
return -EINVAL;
}
/* validate configured process name values */
for (int group_idx = 0; group_idx < n; group_idx++) {
- for (size_t name_idx = 0; name_idx < g_rdt->ngroups[group_idx].num_names;
+ DEBUG(RDT_PLUGIN ": checking group [%d]: %s", group_idx,
+ rdt->ngroups[group_idx].desc);
+ for (size_t name_idx = 0; name_idx < rdt->ngroups[group_idx].num_names;
name_idx++) {
- if (!rdt_is_proc_name_valid(g_rdt->ngroups[group_idx].names[name_idx])) {
+ DEBUG(RDT_PLUGIN ": checking process name [%zu]: %s", name_idx,
+ rdt->ngroups[group_idx].names[name_idx]);
+ if (!rdt_is_proc_name_valid(rdt->ngroups[group_idx].names[name_idx])) {
ERROR(RDT_PLUGIN ": Process name group '%s' contains invalid name '%s'",
- g_rdt->ngroups[group_idx].desc,
- g_rdt->ngroups[group_idx].names[name_idx]);
- rdt_free_ngroups();
+ rdt->ngroups[group_idx].desc,
+ rdt->ngroups[group_idx].names[name_idx]);
+ rdt_free_ngroups(rdt);
return -EINVAL;
}
}
}
/* Get all available events on this platform */
- for (unsigned i = 0; i < g_rdt->cap_mon->u.mon->num_events; i++)
- events |= g_rdt->cap_mon->u.mon->events[i].type;
+ for (unsigned i = 0; i < rdt->cap_mon->u.mon->num_events; i++)
+ events |= rdt->cap_mon->u.mon->events[i].type;
events &= ~(PQOS_PERF_EVENT_LLC_MISS);
DEBUG(RDT_PLUGIN ": Available events to monitor: %#x", events);
- g_rdt->num_ngroups = n;
+ rdt->num_ngroups = n;
for (int i = 0; i < n; i++) {
for (int j = 0; j < i; j++) {
- int found = ngroup_cmp(&g_rdt->ngroups[j], &g_rdt->ngroups[i]);
+ int found = ngroup_cmp(&rdt->ngroups[j], &rdt->ngroups[i]);
if (found != 0) {
- rdt_free_ngroups();
+ rdt_free_ngroups(rdt);
ERROR(RDT_PLUGIN
": Cannot monitor same process name in different groups.");
return -EINVAL;
}
}
- g_rdt->ngroups[i].events = events;
- g_rdt->pngroups[i] = calloc(1, sizeof(*g_rdt->pngroups[i]));
- if (g_rdt->pngroups[i] == NULL) {
- rdt_free_ngroups();
+ rdt->ngroups[i].events = events;
+ rdt->pngroups[i] = calloc(1, sizeof(*rdt->pngroups[i]));
+ if (rdt->pngroups[i] == NULL) {
+ rdt_free_ngroups(rdt);
ERROR(RDT_PLUGIN
": Failed to allocate memory for process name monitoring data.");
return -ENOMEM;
return 0;
}
- if (rdt_config_ngroups(child) != 0) {
+ if (rdt_config_ngroups(g_rdt, child) != 0) {
g_state = CONFIGURATION_ERROR;
/* if we return -1 at this point collectd
reports a failure in configuration and
rdt_free_cgroups();
#ifdef LIBPQOS2
- rdt_free_ngroups();
+ rdt_free_ngroups(g_rdt);
#endif /* LIBPQOS2 */
sfree(g_rdt);
int pqos_cap_get(const struct pqos_cap **cap, const struct pqos_cpuinfo **cpu) {
return 0;
}
-#endif /* LIBPQOS2 */
-
/***************************************************************************
* helper functions
*/
return list;
}
-/*
- * NAME
- * pids_list_find_element
- *
- * DESCRIPTION
- * Gets index of element in the list matching
- * given pid. Assumes PIDs are unique, stops searching
- * on the first match.
- *
- * PARAMETERS
- * `list' Pids list
- * `pid' PID number to find
- *
- * RETURN VALUE
- * Index of list element holding given PID.
- */
-int pids_list_find_element(pids_list_t *list, const pid_t pid) {
- assert(list);
- int result = -1;
- size_t current = 0;
- while (list != NULL) {
- if (list->pid == pid) {
- result = current;
- break;
- }
- list = list->next;
- }
- return result;
-}
-
-/*
- * NAME
- * pids_list_has_element
- *
- * DESCRIPTION
- * Checks if the list contains given pid.
- * Wrapper for pids_list_find_element function.
- * Used to make tests easier to read.
- *
- * PARAMETERS
- * `list' Pids list
- * `pid' PID number to find
- *
- * RETURN VALUE
- * 1 if list contains given PID
- * 0 if list does not contain given PID
- */
-int pids_list_has_element(pids_list_t *list, const pid_t pid) {
- return pids_list_find_element(list, pid) >= 0 ? 1 : 0;
-}
-
-/*
- * NAME
- * pids_list_free_all
- *
- * DESCRIPTION
- * Frees memory allocated in the given list
- *
- * PARAMETERS
- * `list' Pids list
- */
-void pids_list_free_all(pids_list_t *list) {
- while (list) {
- pids_list_t *previous = list;
- list = list->next;
- free(previous);
- }
-}
-
typedef struct stub_proc_pid {
proc_comm_t comm;
pid_t pid;
*/
int stub_procfs_setup(const stub_proc_pid_t *proc_pids_array,
const size_t proc_pids_array_length) {
- if (mkdir(proc_fs, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) != 0) {
+ if (mkdir(proc_fs, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) != 0)
return -1;
- }
char path[256];
for (size_t i = 0; i < proc_pids_array_length; ++i) {
strncat(path, "/comm", STATIC_ARRAY_SIZE(path) - strlen(path) - 1);
FILE *fp = fopen(path, "w");
- if (!fp) {
+ if (!fp)
return -2;
- }
fwrite(proc_pids_array[i].comm, sizeof(char),
strlen(proc_pids_array[i].comm), fp);
fclose(fp);
#define MAX_PID 4194304
#define MAX_PID_STR "4194304"
+rdt_ctx_t *stub_rdt_setup() {
+
+ rdt_ctx_t *rdt = calloc(1, sizeof(*rdt));
+ struct pqos_cpuinfo *pqos_cpu = calloc(1, sizeof(*pqos_cpu));
+ struct pqos_cap *pqos_cap = calloc(1, sizeof(*pqos_cap));
+ struct pqos_cap_mon *mon = calloc(1, sizeof(*mon));
+ struct pqos_capability *cap_mon = calloc(1, sizeof(*cap_mon));
+
+ cap_mon->u.mon = mon;
+ rdt->pqos_cap = pqos_cap;
+ rdt->pqos_cpu = pqos_cpu;
+ rdt->cap_mon = cap_mon;
+
+ return rdt;
+}
+
+void stub_rdt_teardown(rdt_ctx_t *rdt) {
+ free(rdt->cap_mon->u.mon);
+ free((void *)rdt->cap_mon);
+ free((void *)rdt->pqos_cpu);
+ free((void *)rdt->pqos_cap);
+ free(rdt);
+}
+
/***************************************************************************
* tests
*/
-DEF_TEST(add_proc_pid_empty_list) {
+DEF_TEST(initialize_proc_pids__on_nullptr) {
+ /* setup */
+ const char *procs_names_array[] = {"proc1", "proc2", "proc3"};
+ const size_t procs_names_array_size = STATIC_ARRAY_SIZE(procs_names_array);
+ proc_pids_t *proc_pids_array = NULL;
+
+ /* check */
+ int result = initialize_proc_pids(procs_names_array, procs_names_array_size,
+ &proc_pids_array);
+ EXPECT_EQ_INT(0, result);
+ for (size_t i = 0; i < procs_names_array_size; ++i)
+ EXPECT_EQ_STR(procs_names_array[i], proc_pids_array[i].proccess_name);
+
+ /* cleanup */
+ free(proc_pids_array);
+ return 0;
+}
+
+DEF_TEST(add_proc_pid__empty_list) {
/* setup */
proc_pids_t proc_pids_instance;
proc_pids_instance.pids = NULL;
EXPECT_EQ_INT(pid, added->pid);
/* cleanup */
- pids_list_free_all(proc_pids_instance.pids);
+ pids_list_free(proc_pids_instance.pids);
return 0;
}
-DEF_TEST(add_proc_pid_non_empty_list) {
+DEF_TEST(add_proc_pid__non_empty_list) {
/* setup */
proc_pids_t proc_pids_instance;
proc_pids_instance.pids = NULL;
pid_t pids[] = {1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007};
/* check */
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids); ++i) {
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids); ++i)
pids_list_add_pid(&proc_pids_instance.pids, pids[i]);
- }
for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids); ++i) {
pids_list_t *added = pids_list_get_element(proc_pids_instance.pids, i);
}
/* cleanup */
- pids_list_free_all(proc_pids_instance.pids);
+ pids_list_free(proc_pids_instance.pids);
+ return 0;
+}
+
+DEF_TEST(pids_list_to_array__non_empty_list) {
+ /* setup */
+ pid_t pids[] = {1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007};
+ pids_list_t *pids_list = NULL;
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids); ++i)
+ pids_list_add_pid(&pids_list, pids[i]);
+
+ /* check */
+ pid_t target_array[STATIC_ARRAY_SIZE(pids)];
+ pids_list_to_array(target_array, pids_list, STATIC_ARRAY_SIZE(target_array));
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids); ++i)
+ EXPECT_EQ_INT(pids[i], target_array[i]);
+
+ /* cleanup */
+ pids_list_free(pids_list);
return 0;
}
-DEF_TEST(get_pid_number_valid_dir) {
+DEF_TEST(pids_list_add_pids_list__non_empty_lists) {
+ /* setup */
+ pid_t pids_array_1[] = {1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007};
+ pid_t pids_array_2[] = {2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007};
+ pids_list_t *pids_list_1 = NULL;
+ pids_list_t *pids_list_2 = NULL;
+ size_t increase = 0;
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_1); ++i) {
+ pids_list_add_pid(&pids_list_1, pids_array_1[i]);
+ pids_list_add_pid(&pids_list_2, pids_array_2[i]);
+ }
+
+ /* check */
+ int result = pids_list_add_pids_list(&pids_list_1, pids_list_2, &increase);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_INT(STATIC_ARRAY_SIZE(pids_array_2), increase);
+
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_1); ++i) {
+ EXPECT_EQ_INT(1, pids_list_contains_pid(pids_list_1, pids_array_1[i]));
+ EXPECT_EQ_INT(1, pids_list_contains_pid(pids_list_1, pids_array_2[i]));
+ }
+
+ /* setup */
+ pids_list_free(pids_list_1);
+ pids_list_free(pids_list_2);
+ return 0;
+}
+
+DEF_TEST(pids_list_add_pids_list__add_to_empty) {
+ /* setup */
+ pid_t pids_array[] = {2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007};
+ pids_list_t *pids_list_1 = NULL;
+ pids_list_t *pids_list_2 = NULL;
+ size_t increase = 0;
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array); ++i)
+ pids_list_add_pid(&pids_list_2, pids_array[i]);
+
+ /* check */
+ int result = pids_list_add_pids_list(&pids_list_1, pids_list_2, &increase);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_INT(STATIC_ARRAY_SIZE(pids_array), increase);
+
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array); ++i)
+ EXPECT_EQ_INT(1, pids_list_contains_pid(pids_list_1, pids_array[i]));
+
+ /* setup */
+ pids_list_free(pids_list_1);
+ pids_list_free(pids_list_2);
+ return 0;
+}
+
+DEF_TEST(get_pid_number__valid_dir) {
/* setup */
struct dirent d;
sstrncpy(d.d_name, MAX_PID_STR, STATIC_ARRAY_SIZE(d.d_name));
return 0;
}
-DEF_TEST(get_pid_number_invalid_dir_name) {
+DEF_TEST(get_pid_number__invalid_dir_name) {
/* setup */
struct dirent d;
sstrncpy(d.d_name, "invalid", STATIC_ARRAY_SIZE(d.d_name));
/* check */
int pid_conversion = get_pid_number(&d, &pid);
- EXPECT_EQ_INT(-2, pid_conversion);
+ EXPECT_EQ_INT(-1, pid_conversion);
EXPECT_EQ_INT(0, pid);
/* cleanup */
return 0;
}
-DEF_TEST(read_proc_name_valid_name) {
+DEF_TEST(read_proc_name__valid_name) {
/* setup */
stub_proc_pid_t pp_stubs[] = {{"proc1", MAX_PID}};
stub_procfs_setup(pp_stubs, STATIC_ARRAY_SIZE(pp_stubs));
return 0;
}
-DEF_TEST(read_proc_name_invalid_name) {
+DEF_TEST(read_proc_name__invalid_name) {
/* setup */
struct dirent d;
sstrncpy(d.d_name, MAX_PID_STR, STATIC_ARRAY_SIZE(d.d_name));
return 0;
}
-DEF_TEST(fetch_pids_for_procs_one_proc_many_pid) {
+DEF_TEST(fetch_pids_for_procs__one_proc_many_pid) {
/* setup */
const char *proc_names[] = {"proc1"};
stub_proc_pid_t pp_stubs[] = {{"proc1", 1007},
EXPECT_EQ_STR(proc_names[0], output[0].proccess_name);
for (size_t i = 0; i < STATIC_ARRAY_SIZE(pp_stubs); ++i) {
- if (0 == strcmp(pp_stubs[i].comm, proc_names[0])) {
+ if (0 == strcmp(pp_stubs[i].comm, proc_names[0]))
/* check if proc struct has correct pids */
- EXPECT_EQ_INT(pids_list_has_element(output[0].pids, pp_stubs[i].pid), 1);
- } else {
+ EXPECT_EQ_INT(pids_list_contains_pid(output[0].pids, pp_stubs[i].pid), 1);
+ else
/* check if proc struct has no incorrect pids */
- EXPECT_EQ_INT(pids_list_has_element(output[0].pids, pp_stubs[i].pid), 0);
- }
+ EXPECT_EQ_INT(pids_list_contains_pid(output[0].pids, pp_stubs[i].pid), 0);
}
/* cleanup */
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(proc_names); ++i) {
- pids_list_free_all(output[i].pids);
- }
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(proc_names); ++i)
+ pids_list_free(output[i].pids);
free(output);
stub_procfs_teardown();
return 0;
}
-DEF_TEST(fetch_pids_for_procs_many_proc_many_pid) {
+DEF_TEST(fetch_pids_for_procs__many_proc_many_pid) {
/* setup */
const char *proc_names[] = {"proc1", "proc2", "proc3"};
stub_proc_pid_t pp_stubs[] = {
EXPECT_EQ_STR(proc_names[i], output[i].proccess_name);
for (size_t j = 0; j < STATIC_ARRAY_SIZE(pp_stubs); ++j) {
- if (0 == strcmp(pp_stubs[j].comm, proc_names[i])) {
+ if (0 == strcmp(pp_stubs[j].comm, proc_names[i]))
/* check if proc struct has correct pids */
- EXPECT_EQ_INT(pids_list_has_element(output[i].pids, pp_stubs[j].pid),
+ EXPECT_EQ_INT(pids_list_contains_pid(output[i].pids, pp_stubs[j].pid),
1);
- } else {
+ else
/* check if proc struct has no incorrect pids */
- EXPECT_EQ_INT(pids_list_has_element(output[i].pids, pp_stubs[j].pid),
+ EXPECT_EQ_INT(pids_list_contains_pid(output[i].pids, pp_stubs[j].pid),
0);
- }
}
}
/* cleanup */
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(proc_names); ++i) {
- pids_list_free_all(output[i].pids);
- }
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(proc_names); ++i)
+ pids_list_free(output[i].pids);
free(output);
stub_procfs_teardown();
return 0;
}
+DEF_TEST(rdt_config_ngroups__one_process) {
+ /* setup */
+ rdt_ctx_t *rdt = stub_rdt_setup();
+
+ oconfig_value_t values[] = {
+ {.value.string = "proc1", .type = OCONFIG_TYPE_STRING},
+ };
+ oconfig_item_t config_item = {
+ .values = values, .values_num = STATIC_ARRAY_SIZE(values),
+ };
+
+ /* check */
+ int result = rdt_config_ngroups(rdt, &config_item);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_STR(values[0].value.string, rdt->ngroups[0].desc);
+ EXPECT_EQ_INT(1, rdt->num_ngroups);
+
+ /* cleanup */
+ rdt_free_ngroups(rdt);
+ stub_rdt_teardown(rdt);
+
+ return 0;
+}
+
+DEF_TEST(rdt_config_ngroups__two_groups) {
+ /* setup */
+ rdt_ctx_t *rdt = stub_rdt_setup();
+
+ oconfig_value_t values[] = {
+ {.value.string = "proc11,proc12,proc13", .type = OCONFIG_TYPE_STRING},
+ {.value.string = "proc21,proc22,proc23", .type = OCONFIG_TYPE_STRING},
+ };
+ oconfig_item_t config_item = {
+ .values = values, .values_num = STATIC_ARRAY_SIZE(values),
+ };
+
+ /* check */
+ int result = rdt_config_ngroups(rdt, &config_item);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_INT(2, rdt->num_ngroups);
+ EXPECT_EQ_STR("proc11,proc12,proc13", rdt->ngroups[0].desc);
+ EXPECT_EQ_STR("proc21,proc22,proc23", rdt->ngroups[1].desc);
+ EXPECT_EQ_STR("proc11", rdt->ngroups[0].names[0]);
+ EXPECT_EQ_STR("proc12", rdt->ngroups[0].names[1]);
+ EXPECT_EQ_STR("proc13", rdt->ngroups[0].names[2]);
+ EXPECT_EQ_STR("proc21", rdt->ngroups[1].names[0]);
+ EXPECT_EQ_STR("proc22", rdt->ngroups[1].names[1]);
+ EXPECT_EQ_STR("proc23", rdt->ngroups[1].names[2]);
+
+ /* cleanup */
+ rdt_free_ngroups(rdt);
+ stub_rdt_teardown(rdt);
+
+ return 0;
+}
+
+DEF_TEST(rdt_config_ngroups__too_long_proc_name) {
+ /* setup */
+ rdt_ctx_t *rdt = stub_rdt_setup();
+
+ oconfig_value_t values[] = {
+ {.value.string = "_seventeen_chars_", .type = OCONFIG_TYPE_STRING},
+ };
+ oconfig_item_t config_item = {
+ .values = values, .values_num = STATIC_ARRAY_SIZE(values),
+ };
+
+ /* check */
+ int result = rdt_config_ngroups(rdt, &config_item);
+ EXPECT_EQ_INT(-EINVAL, result);
+
+ /* cleanup */
+ stub_rdt_teardown(rdt);
+
+ return 0;
+}
+
+DEF_TEST(rdt_config_ngroups__duplicate_proc_name_between_groups) {
+ /* setup */
+ rdt_ctx_t *rdt = stub_rdt_setup();
+
+ oconfig_value_t values[] = {
+ {.value.string = "proc11,proc12,proc", .type = OCONFIG_TYPE_STRING},
+ {.value.string = "proc21,proc,proc23", .type = OCONFIG_TYPE_STRING},
+ };
+ oconfig_item_t config_item = {
+ .values = values, .values_num = STATIC_ARRAY_SIZE(values),
+ };
+
+ /* check */
+ int result = rdt_config_ngroups(rdt, &config_item);
+ EXPECT_EQ_INT(-EINVAL, result);
+
+ /* cleanup */
+ stub_rdt_teardown(rdt);
+
+ return 0;
+}
+
+DEF_TEST(rdt_config_ngroups__duplicate_proc_name_in_group) {
+ /* setup */
+ rdt_ctx_t *rdt = stub_rdt_setup();
+
+ oconfig_value_t values[] = {
+ {.value.string = "proc11,proc,proc,proc14", .type = OCONFIG_TYPE_STRING},
+ };
+ oconfig_item_t config_item = {
+ .values = values, .values_num = STATIC_ARRAY_SIZE(values),
+ };
+
+ /* check */
+ int result = rdt_config_ngroups(rdt, &config_item);
+ EXPECT_EQ_INT(-EINVAL, result);
+
+ /* cleanup */
+ stub_rdt_teardown(rdt);
+
+ return 0;
+}
+
+DEF_TEST(rdt_config_ngroups__empty_group) {
+ /* setup */
+ rdt_ctx_t *rdt = stub_rdt_setup();
+
+ oconfig_value_t values[] = {
+ {.value.string = "proc11,proc12,proc13", .type = OCONFIG_TYPE_STRING},
+ {.value.string = "", .type = OCONFIG_TYPE_STRING},
+
+ };
+ oconfig_item_t config_item = {
+ .values = values, .values_num = STATIC_ARRAY_SIZE(values),
+ };
+
+ /* check */
+ int result = rdt_config_ngroups(rdt, &config_item);
+ EXPECT_EQ_INT(-EINVAL, result);
+
+ /* cleanup */
+ stub_rdt_teardown(rdt);
+
+ return 0;
+}
+
+DEF_TEST(rdt_config_ngroups__empty_proc_name) {
+ /* setup */
+ rdt_ctx_t *rdt = stub_rdt_setup();
+
+ oconfig_value_t values[] = {
+ {.value.string = "proc11,,proc13", .type = OCONFIG_TYPE_STRING},
+ };
+ oconfig_item_t config_item = {
+ .values = values, .values_num = STATIC_ARRAY_SIZE(values),
+ };
+
+ /* check */
+ int result = rdt_config_ngroups(rdt, &config_item);
+ EXPECT_EQ_INT(-EINVAL, result);
+
+ /* cleanup */
+ stub_rdt_teardown(rdt);
+
+ return 0;
+}
+
+DEF_TEST(rdt_pid_list_diff__all_changed) {
+ /* setup */
+ pid_t pids_array_before[] = {1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007};
+ pid_t pids_array_after[] = {2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007};
+ pids_list_t *pids_list_before = NULL;
+ pids_list_t *pids_list_after = NULL;
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_after); ++i) {
+ pids_list_add_pid(&pids_list_before, pids_array_before[i]);
+ pids_list_add_pid(&pids_list_after, pids_array_after[i]);
+ }
+
+ pids_list_t *new_pids = NULL;
+ size_t new_pids_count = 0;
+ pids_list_t *lost_pids = NULL;
+ size_t lost_pids_count = 0;
+
+ /* check */
+ int result = rdt_pid_list_diff(pids_list_before, pids_list_after, &new_pids,
+ &new_pids_count, &lost_pids, &lost_pids_count);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_INT(STATIC_ARRAY_SIZE(pids_array_before), lost_pids_count);
+ EXPECT_EQ_INT(STATIC_ARRAY_SIZE(pids_array_after), new_pids_count);
+
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_before); ++i) {
+ EXPECT_EQ_INT(1, pids_list_contains_pid(new_pids, pids_array_after[i]));
+ EXPECT_EQ_INT(1, pids_list_contains_pid(lost_pids, pids_array_before[i]));
+ }
+
+ /* cleanup */
+ pids_list_free(pids_list_before);
+ pids_list_free(pids_list_after);
+ pids_list_free(new_pids);
+ pids_list_free(lost_pids);
+
+ return 0;
+}
+
+DEF_TEST(rdt_pid_list_diff__nothing_changed) {
+ /* setup */
+ pid_t pids_array_before[] = {1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007};
+ pids_list_t *pids_list_before = NULL;
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_before); ++i) {
+ pids_list_add_pid(&pids_list_before, pids_array_before[i]);
+ }
+
+ pids_list_t *new_pids = NULL;
+ size_t new_pids_count = 0;
+ pids_list_t *lost_pids = NULL;
+ size_t lost_pids_count = 0;
+
+ /* check */
+ int result = rdt_pid_list_diff(pids_list_before, pids_list_before, &new_pids,
+ &new_pids_count, &lost_pids, &lost_pids_count);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_INT(0, lost_pids_count);
+ EXPECT_EQ_INT(0, new_pids_count);
+ OK(NULL == new_pids);
+ OK(NULL == lost_pids);
+
+ /* cleanup */
+ pids_list_free(pids_list_before);
+
+ return 0;
+}
+
+DEF_TEST(rdt_pid_list_diff__one_added) {
+ /* setup */
+ pid_t pids_array_before[] = {1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007};
+ pid_t pids_array_after[] = {1000, 1001, 1002, 1003, 1004,
+ 1005, 1006, 1007, 1008};
+ pids_list_t *pids_list_before = NULL;
+ pids_list_t *pids_list_after = NULL;
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_before); ++i)
+ pids_list_add_pid(&pids_list_before, pids_array_before[i]);
+
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_after); ++i)
+ pids_list_add_pid(&pids_list_after, pids_array_after[i]);
+
+ pids_list_t *new_pids = NULL;
+ size_t new_pids_count = 0;
+ pids_list_t *lost_pids = NULL;
+ size_t lost_pids_count = 0;
+
+ /* check */
+ int result = rdt_pid_list_diff(pids_list_before, pids_list_after, &new_pids,
+ &new_pids_count, &lost_pids, &lost_pids_count);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_INT(0, lost_pids_count);
+ EXPECT_EQ_INT(1, new_pids_count);
+ EXPECT_EQ_INT(1008, new_pids->pid);
+
+ /* cleanup */
+ pids_list_free(pids_list_before);
+ pids_list_free(pids_list_after);
+ pids_list_free(new_pids);
+
+ return 0;
+}
+
+DEF_TEST(rdt_pid_list_diff__one_removed) {
+ /* setup */
+ pid_t pids_array_before[] = {1000, 1001, 1002, 1003, 1004,
+ 1005, 1006, 1007, 1008};
+ pid_t pids_array_after[] = {1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007};
+ pids_list_t *pids_list_before = NULL;
+ pids_list_t *pids_list_after = NULL;
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_before); ++i)
+ pids_list_add_pid(&pids_list_before, pids_array_before[i]);
+
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(pids_array_after); ++i)
+ pids_list_add_pid(&pids_list_after, pids_array_after[i]);
+
+ pids_list_t *new_pids = NULL;
+ size_t new_pids_count = 0;
+ pids_list_t *lost_pids = NULL;
+ size_t lost_pids_count = 0;
+
+ /* check */
+ int result = rdt_pid_list_diff(pids_list_before, pids_list_after, &new_pids,
+ &new_pids_count, &lost_pids, &lost_pids_count);
+ EXPECT_EQ_INT(0, result);
+ EXPECT_EQ_INT(1, lost_pids_count);
+ EXPECT_EQ_INT(0, new_pids_count);
+ EXPECT_EQ_INT(1008, lost_pids->pid);
+
+ /* cleanup */
+ pids_list_free(pids_list_before);
+ pids_list_free(pids_list_after);
+ pids_list_free(lost_pids);
+
+ return 0;
+}
+
int main(void) {
stub_procfs_teardown();
- RUN_TEST(add_proc_pid_empty_list);
- RUN_TEST(add_proc_pid_non_empty_list);
- RUN_TEST(get_pid_number_valid_dir);
- RUN_TEST(get_pid_number_invalid_dir_name);
- RUN_TEST(read_proc_name_valid_name);
- RUN_TEST(read_proc_name_invalid_name);
- RUN_TEST(fetch_pids_for_procs_one_proc_many_pid);
- RUN_TEST(fetch_pids_for_procs_many_proc_many_pid);
+ RUN_TEST(initialize_proc_pids__on_nullptr);
+ RUN_TEST(add_proc_pid__empty_list);
+ RUN_TEST(add_proc_pid__non_empty_list);
+ RUN_TEST(pids_list_to_array__non_empty_list);
+ RUN_TEST(pids_list_add_pids_list__non_empty_lists);
+ RUN_TEST(pids_list_add_pids_list__add_to_empty);
+ RUN_TEST(get_pid_number__valid_dir);
+ RUN_TEST(get_pid_number__invalid_dir_name);
+ RUN_TEST(read_proc_name__valid_name);
+ RUN_TEST(read_proc_name__invalid_name);
+ RUN_TEST(fetch_pids_for_procs__one_proc_many_pid);
+ RUN_TEST(fetch_pids_for_procs__many_proc_many_pid);
+ RUN_TEST(rdt_config_ngroups__one_process);
+ RUN_TEST(rdt_config_ngroups__two_groups);
+ RUN_TEST(rdt_config_ngroups__too_long_proc_name);
+ RUN_TEST(rdt_config_ngroups__duplicate_proc_name_between_groups);
+ RUN_TEST(rdt_config_ngroups__duplicate_proc_name_in_group);
+ RUN_TEST(rdt_config_ngroups__empty_group);
+ RUN_TEST(rdt_config_ngroups__empty_proc_name);
+ RUN_TEST(rdt_pid_list_diff__all_changed);
+ RUN_TEST(rdt_pid_list_diff__nothing_changed);
+ RUN_TEST(rdt_pid_list_diff__one_added);
+ RUN_TEST(rdt_pid_list_diff__one_removed);
stub_procfs_teardown();
END_TEST;
}