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casadm: occupancy per ioclass

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Enable new ioclass config format with float allocation values

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2020-11-17 09:47:55 -05:00
parent 93a6a1670f
commit c93d1f73ef
2 changed files with 39 additions and 23 deletions
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58
casadm/cas_lib.c
View File

@ -2031,11 +2031,10 @@ void partition_list_line(FILE *out, struct kcas_io_class *cls, bool csv)
{
char buffer[128];
const char *prio;
const char *allocation;
if (cls->info.cache_mode != ocf_cache_mode_pt)
allocation = csv ? "1" : "YES";
else
allocation = csv ? "0" : "NO";
char allocation_str[MAX_STR_LEN];
snprintf(allocation_str, sizeof(allocation_str), "%d.%02d",
cls->info.max_size/100, cls->info.max_size%100);
if (OCF_IO_CLASS_PRIO_PINNED == cls->info.priority) {
prio = csv ? "" : "Pinned";
@ -2045,7 +2044,7 @@ void partition_list_line(FILE *out, struct kcas_io_class *cls, bool csv)
}
fprintf(out, TAG(TABLE_ROW)"%u,%s,%s,%s\n",
cls->class_id, cls->info.name, prio, allocation);
cls->class_id, cls->info.name, prio, allocation_str);
}
@ -2061,6 +2060,7 @@ int partition_list(unsigned int cache_id, unsigned int output_format)
if (fd == -1 )
return FAILURE;
if (create_pipe_pair(intermediate_file)) {
cas_printf(LOG_ERR,"Failed to create unidirectional pipe.\n");
close(fd);
@ -2118,8 +2118,11 @@ int partition_list(unsigned int cache_id, unsigned int output_format)
}
enum {
part_csv_coll_id = 0, part_csv_coll_name, part_csv_coll_prio,
part_csv_coll_alloc, part_csv_coll_max
part_csv_coll_id = 0,
part_csv_coll_name,
part_csv_coll_prio,
part_csv_coll_alloc,
part_csv_coll_max
};
int partition_is_name_valid(const char *name)
@ -2157,6 +2160,28 @@ static inline const char *partition_get_csv_col(CSVFILE *csv, int col,
return val;
}
static int calculate_max_allocation(uint16_t cache_id, const char *allocation,
uint32_t *part_size)
{
float alloc = 0;
char *end;
if (strnlen(allocation, MAX_STR_LEN) > 4)
return FAILURE;
alloc = strtof(allocation, &end);
if (alloc > 1 || alloc < 0)
return FAILURE;
if (allocation + strnlen(allocation, MAX_STR_LEN) != end)
return FAILURE;
*part_size = (uint32_t)(alloc * 100);
return SUCCESS;
}
static inline int partition_get_line(CSVFILE *csv,
struct kcas_io_classes *cnfg,
int *error_col)
@ -2227,20 +2252,13 @@ static inline int partition_get_line(CSVFILE *csv,
if (strempty(alloc)) {
return FAILURE;
}
if (validate_str_num(alloc, "alloc", 0, 1)) {
return FAILURE;
}
value = strtoul(alloc, NULL, 10);
if (0 == value) {
cnfg->info[part_id].cache_mode = ocf_cache_mode_pt;
} else if (1 == value) {
cnfg->info[part_id].cache_mode = ocf_cache_mode_max;
} else {
return FAILURE;
}
if (calculate_max_allocation(cnfg->cache_id, alloc, &value) == FAILURE)
return FAILURE;
cnfg->info[part_id].cache_mode = ocf_cache_mode_max;
cnfg->info[part_id].min_size = 0;
cnfg->info[part_id].max_size = UINT32_MAX;
cnfg->info[part_id].max_size = value;
return 0;
}

4
casadm/statistics_model.c
View File

@ -403,9 +403,7 @@ static void print_stats_ioclass_conf(const struct kcas_io_class* io_class,
print_kv_pair(outfile, "Eviction priority", "%d",
io_class->info.priority);
}
print_kv_pair(outfile, "Selective allocation", "%s",
io_class->info.cache_mode != ocf_cache_mode_pt ?
"Yes" : "No");
print_kv_pair(outfile, "Max size", "%u%%", io_class->info.max_size);
}