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// SPDX-License-Identifier: GPL-3.0-or-later
#include "rrd_api_kernel.h"
void kernel_chart_init(struct File_info *p_file_info){
p_file_info->chart_meta->chart_data_kernel = callocz(1, sizeof (struct Chart_data_kernel));
chart_data_kernel_t *chart_data = p_file_info->chart_meta->chart_data_kernel;
chart_data->last_update = now_realtime_sec(); // initial value shouldn't be 0
long chart_prio = p_file_info->chart_meta->base_prio;
lgs_mng_do_num_of_logs_charts_init(p_file_info, chart_prio);
/* Syslog severity level (== Systemd priority) - initialise */
if(p_file_info->parser_config->chart_config & CHART_SYSLOG_SEVER){
lgs_mng_create_chart(
(char *) p_file_info->chartname // type
, "severity_levels" // id
, "Severity Levels" // title
, "severity levels" // units
, "severity" // family
, NULL // context
, RRDSET_TYPE_AREA_NAME // chart_type
, ++chart_prio // priority
, p_file_info->update_every // update_every
);
for(int i = 0; i < SYSLOG_SEVER_ARR_SIZE; i++)
lgs_mng_add_dim(dim_sever_str[i], RRD_ALGORITHM_INCREMENTAL_NAME, 1, 1);
}
/* Subsystem - initialise */
if(p_file_info->parser_config->chart_config & CHART_KMSG_SUBSYSTEM){
chart_data->cs_subsys = lgs_mng_create_chart(
(char *) p_file_info->chartname // type
, "subsystems" // id
, "Subsystems" // title
, "subsystems" // units
, "subsystem" // family
, NULL // context
, RRDSET_TYPE_AREA_NAME // chart_type
, ++chart_prio // priority
, p_file_info->update_every // update_every
);
}
/* Device - initialise */
if(p_file_info->parser_config->chart_config & CHART_KMSG_DEVICE){
chart_data->cs_device = lgs_mng_create_chart(
(char *) p_file_info->chartname // type
, "devices" // id
, "Devices" // title
, "devices" // units
, "device" // family
, NULL // context
, RRDSET_TYPE_AREA_NAME // chart_type
, ++chart_prio // priority
, p_file_info->update_every // update_every
);
}
lgs_mng_do_custom_charts_init(p_file_info);
}
void kernel_chart_update(struct File_info *p_file_info){
chart_data_kernel_t *chart_data = p_file_info->chart_meta->chart_data_kernel;
if(chart_data->last_update != p_file_info->parser_metrics->last_update){
time_t lag_in_sec = p_file_info->parser_metrics->last_update - chart_data->last_update - 1;
lgs_mng_do_num_of_logs_charts_update(p_file_info, lag_in_sec, chart_data);
/* Syslog severity level (== Systemd priority) - update */
if(p_file_info->parser_config->chart_config & CHART_SYSLOG_SEVER){
for(time_t sec = p_file_info->parser_metrics->last_update - lag_in_sec;
sec < p_file_info->parser_metrics->last_update;
sec++){
lgs_mng_update_chart_begin(p_file_info->chartname, "severity_levels");
for(int idx = 0; idx < SYSLOG_SEVER_ARR_SIZE; idx++)
lgs_mng_update_chart_set(dim_sever_str[idx], chart_data->num_sever[idx]);
lgs_mng_update_chart_end(sec);
}
lgs_mng_update_chart_begin(p_file_info->chartname, "severity_levels");
for(int idx = 0; idx < SYSLOG_SEVER_ARR_SIZE; idx++){
chart_data->num_sever[idx] = p_file_info->parser_metrics->kernel->sever[idx];
lgs_mng_update_chart_set(dim_sever_str[idx], chart_data->num_sever[idx]);
}
lgs_mng_update_chart_end(p_file_info->parser_metrics->last_update);
}
/* Subsystem - update */
if(p_file_info->parser_config->chart_config & CHART_KMSG_SUBSYSTEM){
metrics_dict_item_t *it;
for(time_t sec = p_file_info->parser_metrics->last_update - lag_in_sec;
sec < p_file_info->parser_metrics->last_update;
sec++){
lgs_mng_update_chart_begin(p_file_info->chartname, "subsystems");
dfe_start_read(p_file_info->parser_metrics->kernel->subsystem, it){
if(it->dim_initialized)
lgs_mng_update_chart_set(it_dfe.name, (collected_number) it->num);
}
dfe_done(it);
lgs_mng_update_chart_end(sec);
}
dfe_start_write(p_file_info->parser_metrics->kernel->subsystem, it){
if(!it->dim_initialized){
it->dim_initialized = true;
lgs_mng_add_dim_post_init( &chart_data->cs_subsys, it_dfe.name,
RRD_ALGORITHM_INCREMENTAL_NAME, 1, 1);
}
}
dfe_done(it);
lgs_mng_update_chart_begin(p_file_info->chartname, "subsystems");
dfe_start_write(p_file_info->parser_metrics->kernel->subsystem, it){
it->num = it->num_new;
lgs_mng_update_chart_set(it_dfe.name, (collected_number) it->num);
}
dfe_done(it);
lgs_mng_update_chart_end(p_file_info->parser_metrics->last_update);
}
/* Device - update */
if(p_file_info->parser_config->chart_config & CHART_KMSG_DEVICE){
metrics_dict_item_t *it;
for(time_t sec = p_file_info->parser_metrics->last_update - lag_in_sec;
sec < p_file_info->parser_metrics->last_update;
sec++){
lgs_mng_update_chart_begin(p_file_info->chartname, "devices");
dfe_start_read(p_file_info->parser_metrics->kernel->device, it){
if(it->dim_initialized)
lgs_mng_update_chart_set(it_dfe.name, (collected_number) it->num);
}
dfe_done(it);
lgs_mng_update_chart_end(sec);
}
dfe_start_write(p_file_info->parser_metrics->kernel->device, it){
if(!it->dim_initialized){
it->dim_initialized = true;
lgs_mng_add_dim_post_init( &chart_data->cs_device, it_dfe.name,
RRD_ALGORITHM_INCREMENTAL_NAME, 1, 1);
}
}
dfe_done(it);
lgs_mng_update_chart_begin(p_file_info->chartname, "devices");
dfe_start_write(p_file_info->parser_metrics->kernel->device, it){
it->num = it->num_new;
lgs_mng_update_chart_set(it_dfe.name, (collected_number) it->num);
}
dfe_done(it);
lgs_mng_update_chart_end(p_file_info->parser_metrics->last_update);
}
lgs_mng_do_custom_charts_update(p_file_info, lag_in_sec);
chart_data->last_update = p_file_info->parser_metrics->last_update;
}
}
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