diff options
Diffstat (limited to 'collectors/proc.plugin')
| -rw-r--r-- | collectors/proc.plugin/proc_net_dev.c | 63 |
1 files changed, 49 insertions, 14 deletions
diff --git a/collectors/proc.plugin/proc_net_dev.c b/collectors/proc.plugin/proc_net_dev.c index 97cbc060a4..7ebc3b8797 100644 --- a/collectors/proc.plugin/proc_net_dev.c +++ b/collectors/proc.plugin/proc_net_dev.c @@ -66,7 +66,7 @@ static struct netdev { kernel_uint_t tcollisions; kernel_uint_t tcarrier; kernel_uint_t tcompressed; - kernel_uint_t speed_max; + kernel_uint_t speed; // charts RRDSET *st_bandwidth; @@ -96,6 +96,10 @@ static struct netdev { RRDDIM *rd_tcarrier; RRDDIM *rd_tcompressed; + usec_t speed_last_collected_usec; + char *filename_speed; + RRDSETVAR *chart_var_speed; + struct netdev *next; } *netdev_root = NULL, *netdev_last_used = NULL; @@ -139,7 +143,7 @@ static void netdev_charts_release(struct netdev *d) { d->rd_tcompressed = NULL; } -static void netdev_free_strings(struct netdev *d) { +static void netdev_free_chart_strings(struct netdev *d) { freez((void *)d->chart_type_net_bytes); freez((void *)d->chart_type_net_compressed); freez((void *)d->chart_type_net_drops); @@ -161,9 +165,10 @@ static void netdev_free_strings(struct netdev *d) { static void netdev_free(struct netdev *d) { netdev_charts_release(d); - netdev_free_strings(d); + netdev_free_chart_strings(d); freez((void *)d->name); + freez((void *)d->filename_speed); freez((void *)d); netdev_added--; } @@ -265,7 +270,7 @@ static inline void netdev_rename_cgroup(struct netdev *d, struct netdev_rename * info("CGROUP: renaming network interface '%s' as '%s' under '%s'", r->host_device, r->container_device, r->container_name); netdev_charts_release(d); - netdev_free_strings(d); + netdev_free_chart_strings(d); char buffer[RRD_ID_LENGTH_MAX + 1]; @@ -435,8 +440,8 @@ int do_proc_net_dev(int update_every, usec_t dt) { static procfile *ff = NULL; static int enable_new_interfaces = -1; static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1; - static char *path_to_sys_devices_virtual_net = NULL; - static char *path_to_sys_net_speed = NULL; + static char *path_to_sys_devices_virtual_net = NULL, *path_to_sys_class_net_speed = NULL; + static long long int dt_to_refresh_speed = 0; if(unlikely(enable_new_interfaces == -1)) { char filename[FILENAME_MAX + 1]; @@ -444,6 +449,9 @@ int do_proc_net_dev(int update_every, usec_t dt) { snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/virtual/net/%s"); path_to_sys_devices_virtual_net = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "path to get virtual interfaces", filename); + snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/speed"); + path_to_sys_class_net_speed = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "path to get net device speed", filename); + enable_new_interfaces = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "enable new interfaces detected at runtime", CONFIG_BOOLEAN_AUTO); do_bandwidth = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "bandwidth for all interfaces", CONFIG_BOOLEAN_AUTO); @@ -455,6 +463,9 @@ int do_proc_net_dev(int update_every, usec_t dt) { do_events = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "frames, collisions, carrier counters for all interfaces", CONFIG_BOOLEAN_AUTO); disabled_list = simple_pattern_create(config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "disable by default interfaces matching", "lo fireqos* *-ifb"), NULL, SIMPLE_PATTERN_EXACT); + + dt_to_refresh_speed = config_get_number(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "refresh interface speed every seconds", 10) * USEC_PER_SEC; + if(dt_to_refresh_speed < 0) dt_to_refresh_speed = 0; } if(unlikely(!ff)) { @@ -505,12 +516,10 @@ int do_proc_net_dev(int update_every, usec_t dt) { else d->virtual = 0; - // set nic speed if present if(likely(!d->virtual)) { - snprintfz(buffer, FILENAME_MAX, "%s/sys/class/net/%s/speed", netdata_configured_host_prefix, d->name); - path_to_sys_net_speed = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "path to get net device speed", buffer); - int ret = read_single_number_file(path_to_sys_net_speed, (unsigned long long*)&d->speed_max); - if(ret) error("Cannot read '%s'.", path_to_sys_net_speed); + // set the filename to get the interface speed + snprintfz(buffer, FILENAME_MAX, path_to_sys_class_net_speed, d->name); + d->filename_speed = strdupz(buffer); } snprintfz(buffer, FILENAME_MAX, "plugin:proc:/proc/net/dev:%s", d->name); @@ -597,9 +606,6 @@ int do_proc_net_dev(int update_every, usec_t dt) { , RRDSET_TYPE_AREA ); - RRDSETVAR *nic_speed_max = rrdsetvar_custom_chart_variable_create(d->st_bandwidth, "nic_speed_max"); - if(nic_speed_max) rrdsetvar_custom_chart_variable_set(nic_speed_max, (calculated_number)d->speed_max); - d->rd_rbytes = rrddim_add(d->st_bandwidth, "received", NULL, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL); d->rd_tbytes = rrddim_add(d->st_bandwidth, "sent", NULL, -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL); @@ -616,6 +622,35 @@ int do_proc_net_dev(int update_every, usec_t dt) { rrddim_set_by_pointer(d->st_bandwidth, d->rd_rbytes, (collected_number)d->rbytes); rrddim_set_by_pointer(d->st_bandwidth, d->rd_tbytes, (collected_number)d->tbytes); rrdset_done(d->st_bandwidth); + + // update the interface speed + if(d->filename_speed) { + d->speed_last_collected_usec += dt; + + if(unlikely(d->speed_last_collected_usec >= (usec_t)dt_to_refresh_speed)) { + + if(unlikely(!d->chart_var_speed)) { + d->chart_var_speed = rrdsetvar_custom_chart_variable_create(d->st_bandwidth, "nic_speed_max"); + if(!d->chart_var_speed) { + error("Cannot create interface %s chart variable 'nic_speed_max'. Will not update its speed anymore.", d->name); + freez(d->filename_speed); + d->filename_speed = NULL; + } + } + + if(d->filename_speed && d->chart_var_speed) { + if(read_single_number_file(d->filename_speed, (unsigned long long *) &d->speed)) { + error("Cannot refresh interface %s speed by reading '%s'. Will not update its speed anymore.", d->name, d->filename_speed); + freez(d->filename_speed); + d->filename_speed = NULL; + } + else { + rrdsetvar_custom_chart_variable_set(d->chart_var_speed, (calculated_number) d->speed); + d->speed_last_collected_usec = 0; + } + } + } + } } // -------------------------------------------------------------------- |