X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fbattery.c;h=185442c10d319aa53011b2e1c87f058f28fd254c;hb=8aad55ab7d737a97d5927458b2b00885e27cae4d;hp=87f20437824d9fb10487b3d45b31493ffa3560ad;hpb=1bbefd777881fee2534b976d161743c5fe6fc536;p=collectd.git diff --git a/src/battery.c b/src/battery.c index 87f20437..185442c1 100644 --- a/src/battery.c +++ b/src/battery.c @@ -58,8 +58,6 @@ # error "No applicable input method." #endif -#define INVALID_VALUE 47841.29 - #if HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H /* No global variables */ /* #endif HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H */ @@ -67,11 +65,16 @@ #elif KERNEL_LINUX # define PROC_PMU_PATH_FORMAT "/proc/pmu/battery_%i" # define PROC_ACPI_PATH "/proc/acpi/battery" +# define PROC_ACPI_FACTOR 0.001 # define SYSFS_PATH "/sys/class/power_supply" +# define SYSFS_FACTOR 0.000001 #endif /* KERNEL_LINUX */ -static void battery_submit (char const *plugin_instance, /* {{{ */ - const char *type, gauge_t value) +static _Bool report_percent = 0; +static _Bool report_degraded = 0; + +static void battery_submit2 (char const *plugin_instance, /* {{{ */ + char const *type, char const *type_instance, gauge_t value) { value_t values[1]; value_list_t vl = VALUE_LIST_INIT; @@ -84,10 +87,61 @@ static void battery_submit (char const *plugin_instance, /* {{{ */ sstrncpy (vl.plugin, "battery", sizeof (vl.plugin)); sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance)); sstrncpy (vl.type, type, sizeof (vl.type)); + if (type_instance != NULL) + sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance)); plugin_dispatch_values (&vl); +} /* }}} void battery_submit2 */ + +static void battery_submit (char const *plugin_instance, /* {{{ */ + char const *type, gauge_t value) +{ + battery_submit2 (plugin_instance, type, NULL, value); } /* }}} void battery_submit */ +static void submit_capacity (char const *plugin_instance, /* {{{ */ + gauge_t capacity_charged, + gauge_t capacity_full, + gauge_t capacity_design) +{ + if (report_percent && (capacity_charged > capacity_full)) + return; + if (report_degraded && (capacity_full > capacity_design)) + return; + + if (report_percent) + { + gauge_t capacity_max; + + if (report_degraded) + capacity_max = capacity_design; + else + capacity_max = capacity_full; + + battery_submit2 (plugin_instance, "percent", "charged", + 100.0 * capacity_charged / capacity_max); + battery_submit2 (plugin_instance, "percent", "discharged", + 100.0 * (capacity_full - capacity_charged) / capacity_max); + + if (report_degraded) + battery_submit2 (plugin_instance, "percent", "degraded", + 100.0 * (capacity_design - capacity_full) / capacity_max); + } + else if (report_degraded) /* && !report_percent */ + { + battery_submit2 (plugin_instance, "capacity", "charged", + capacity_charged); + battery_submit2 (plugin_instance, "capacity", "discharged", + (capacity_full - capacity_charged)); + battery_submit2 (plugin_instance, "capacity", "degraded", + (capacity_design - capacity_full)); + } + else /* !report_percent && !report_degraded */ + { + battery_submit (plugin_instance, "capacity", capacity_charged); + } +} /* }}} void submit_capacity */ + #if HAVE_IOKIT_PS_IOPOWERSOURCES_H || HAVE_IOKIT_IOKITLIB_H static double dict_get_double (CFDictionaryRef dict, char *key_string) /* {{{ */ { @@ -101,14 +155,14 @@ static double dict_get_double (CFDictionaryRef dict, char *key_string) /* {{{ */ if (key_obj == NULL) { DEBUG ("CFStringCreateWithCString (%s) failed.\n", key_string); - return (INVALID_VALUE); + return (NAN); } if ((val_obj = CFDictionaryGetValue (dict, key_obj)) == NULL) { DEBUG ("CFDictionaryGetValue (%s) failed.", key_string); CFRelease (key_obj); - return (INVALID_VALUE); + return (NAN); } CFRelease (key_obj); @@ -131,7 +185,7 @@ static double dict_get_double (CFDictionaryRef dict, char *key_string) /* {{{ */ else { DEBUG ("CFGetTypeID (val_obj) = %i", (int) CFGetTypeID (val_obj)); - return (INVALID_VALUE); + return (NAN); } return (val_double); @@ -176,30 +230,30 @@ static void get_via_io_power_sources (double *ret_charge, /* {{{ */ /* FIXME: Check if this is really an internal battery */ - if (*ret_charge == INVALID_VALUE) + if (isnan (*ret_charge)) { /* This is the charge in percent. */ temp_double = dict_get_double (ps_dict, kIOPSCurrentCapacityKey); - if ((temp_double != INVALID_VALUE) + if (!isnan ((temp_double)) && (temp_double >= 0.0) && (temp_double <= 100.0)) *ret_charge = temp_double; } - if (*ret_current == INVALID_VALUE) + if (isnan (*ret_current)) { temp_double = dict_get_double (ps_dict, kIOPSCurrentKey); - if (temp_double != INVALID_VALUE) + if (!isnan (temp_double)) *ret_current = temp_double / 1000.0; } - if (*ret_voltage == INVALID_VALUE) + if (isnan (*ret_voltage)) { temp_double = dict_get_double (ps_dict, kIOPSVoltageKey); - if (temp_double != INVALID_VALUE) + if (!isnan (temp_double)) *ret_voltage = temp_double / 1000.0; } } @@ -210,7 +264,8 @@ static void get_via_io_power_sources (double *ret_charge, /* {{{ */ # endif /* HAVE_IOKIT_PS_IOPOWERSOURCES_H */ # if HAVE_IOKIT_IOKITLIB_H -static void get_via_generic_iokit (double *ret_charge, /* {{{ */ +static void get_via_generic_iokit (double *ret_capacity_full, /* {{{ */ + double *ret_capacity_design, double *ret_current, double *ret_voltage) { @@ -262,28 +317,28 @@ static void get_via_generic_iokit (double *ret_charge, /* {{{ */ { bat_info_dict = (CFDictionaryRef) CFArrayGetValueAtIndex (bat_info_arry, bat_info_arry_pos); - if (*ret_charge == INVALID_VALUE) + if (isnan (*ret_capacity_full)) { - temp_double = dict_get_double (bat_info_dict, - "Capacity"); - if (temp_double != INVALID_VALUE) - *ret_charge = temp_double / 1000.0; + temp_double = dict_get_double (bat_info_dict, "Capacity"); + *ret_capacity_full = temp_double / 1000.0; } - if (*ret_current == INVALID_VALUE) + if (isnan (*ret_capacity_design)) { - temp_double = dict_get_double (bat_info_dict, - "Current"); - if (temp_double != INVALID_VALUE) - *ret_current = temp_double / 1000.0; + temp_double = dict_get_double (bat_info_dict, "AbsoluteMaxCapacity"); + *ret_capacity_design = temp_double / 1000.0; } - if (*ret_voltage == INVALID_VALUE) + if (isnan (*ret_current)) { - temp_double = dict_get_double (bat_info_dict, - "Voltage"); - if (temp_double != INVALID_VALUE) - *ret_voltage = temp_double / 1000.0; + temp_double = dict_get_double (bat_info_dict, "Current"); + *ret_current = temp_double / 1000.0; + } + + if (isnan (*ret_voltage)) + { + temp_double = dict_get_double (bat_info_dict, "Voltage"); + *ret_voltage = temp_double / 1000.0; } } @@ -296,29 +351,33 @@ static void get_via_generic_iokit (double *ret_charge, /* {{{ */ static int battery_read (void) /* {{{ */ { - double charge = INVALID_VALUE; /* Current charge in Ah */ - double current = INVALID_VALUE; /* Current in A */ - double voltage = INVALID_VALUE; /* Voltage in V */ + gauge_t current = NAN; /* Current in A */ + gauge_t voltage = NAN; /* Voltage in V */ - double charge_rel = INVALID_VALUE; /* Current charge in percent */ - double charge_abs = INVALID_VALUE; /* Total capacity */ + /* We only get the charged capacity as a percentage from + * IOPowerSources. IOKit, on the other hand, only reports the full + * capacity. We use the two to calculate the current charged capacity. */ + gauge_t charge_rel = NAN; /* Current charge in percent */ + gauge_t capacity_charged = NAN; /* Charged capacity */ + gauge_t capacity_full = NAN; /* Total capacity */ + gauge_t capacity_design = NAN; /* Full design capacity */ #if HAVE_IOKIT_PS_IOPOWERSOURCES_H get_via_io_power_sources (&charge_rel, ¤t, &voltage); #endif #if HAVE_IOKIT_IOKITLIB_H - get_via_generic_iokit (&charge_abs, ¤t, &voltage); + get_via_generic_iokit (&capacity_full, &capacity_design, ¤t, &voltage); #endif - if ((charge_rel != INVALID_VALUE) && (charge_abs != INVALID_VALUE)) - charge = charge_abs * charge_rel / 100.0; + capacity_charged = charge_rel * capacity_full / 100.0; + submit_capacity ("0", capacity_charged, capacity_full, capacity_design); - if (charge != INVALID_VALUE) - battery_submit ("0", "charge", charge); - if (current != INVALID_VALUE) + if (!isnan (current)) battery_submit ("0", "current", current); - if (voltage != INVALID_VALUE) + if (!isnan (voltage)) battery_submit ("0", "voltage", voltage); + + return (0); } /* }}} int battery_read */ /* #endif HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H */ @@ -387,6 +446,34 @@ static int sysfs_file_to_gauge(char const *dir, /* {{{ */ return (strtogauge (buffer, ret_value)); } /* }}} sysfs_file_to_gauge */ +static int read_sysfs_capacity (char const *dir, /* {{{ */ + char const *power_supply, + char const *plugin_instance) +{ + gauge_t capacity_charged = NAN; + gauge_t capacity_full = NAN; + gauge_t capacity_design = NAN; + int status; + + status = sysfs_file_to_gauge (dir, power_supply, "energy_now", &capacity_charged); + if (status != 0) + return (status); + + status = sysfs_file_to_gauge (dir, power_supply, "energy_full", &capacity_full); + if (status != 0) + return (status); + + status = sysfs_file_to_gauge (dir, power_supply, "energy_full_design", &capacity_design); + if (status != 0) + return (status); + + submit_capacity (plugin_instance, + capacity_charged * SYSFS_FACTOR, + capacity_full * SYSFS_FACTOR, + capacity_design * SYSFS_FACTOR); + return (0); +} /* }}} int read_sysfs_capacity */ + static int read_sysfs_callback (char const *dir, /* {{{ */ char const *power_supply, void *user_data) @@ -418,24 +505,20 @@ static int read_sysfs_callback (char const *dir, /* {{{ */ plugin_instance = (*battery_index == 0) ? "0" : power_supply; (*battery_index)++; - if (sysfs_file_to_gauge (dir, power_supply, "energy_now", &v) == 0) - battery_submit (plugin_instance, "charge", v / 1000000.0); + read_sysfs_capacity (dir, power_supply, plugin_instance); + if (sysfs_file_to_gauge (dir, power_supply, "power_now", &v) == 0) { if (discharging) - battery_submit (plugin_instance, "power", v / -1000000.0); - else - battery_submit (plugin_instance, "power", v / 1000000.0); + v *= -1.0; + battery_submit (plugin_instance, "power", v * SYSFS_FACTOR); } + if (sysfs_file_to_gauge (dir, power_supply, "voltage_now", &v) == 0) - battery_submit (plugin_instance, "voltage", v / 1000000.0); + battery_submit (plugin_instance, "voltage", v * SYSFS_FACTOR); #if 0 - if (sysfs_file_to_gauge (dir, power_supply, "energy_full_design", &v) == 0) - battery_submit (plugin_instance, "charge", v / 1000000.0); - if (sysfs_file_to_gauge (dir, power_supply, "energy_full", &v) == 0) - battery_submit (plugin_instance, "charge", v / 1000000.0); if (sysfs_file_to_gauge (dir, power_supply, "voltage_min_design", &v) == 0) - battery_submit (plugin_instance, "voltage", v / 1000000.0); + battery_submit (plugin_instance, "voltage", v * SYSFS_FACTOR); #endif return (0); @@ -455,6 +538,56 @@ static int read_sysfs (void) /* {{{ */ return (status); } /* }}} int read_sysfs */ +static int read_acpi_full_capacity (char const *dir, /* {{{ */ + char const *power_supply, + gauge_t *ret_capacity_full, + gauge_t *ret_capacity_design) + +{ + char filename[PATH_MAX]; + char buffer[1024]; + + FILE *fh; + + ssnprintf (filename, sizeof (filename), "%s/%s/info", dir, power_supply); + fh = fopen (filename, "r"); + if ((fh = fopen (filename, "r")) == NULL) + return (errno); + + /* last full capacity: 40090 mWh */ + while (fgets (buffer, sizeof (buffer), fh) != NULL) + { + gauge_t *value_ptr; + int fields_num; + char *fields[8]; + int index; + + if (strncmp ("last full capacity:", buffer, strlen ("last full capacity:")) == 0) + { + value_ptr = ret_capacity_full; + index = 3; + } + else if (strncmp ("design capacity:", buffer, strlen ("design capacity:")) == 0) + { + value_ptr = ret_capacity_design; + index = 2; + } + else + { + continue; + } + + fields_num = strsplit (buffer, fields, STATIC_ARRAY_SIZE (fields)); + if (fields_num <= index) + continue; + + strtogauge (fields[index], value_ptr); + } + + fclose (fh); + return (0); +} /* }}} int read_acpi_full_capacity */ + static int read_acpi_callback (char const *dir, /* {{{ */ char const *power_supply, void *user_data) @@ -463,7 +596,9 @@ static int read_acpi_callback (char const *dir, /* {{{ */ gauge_t power = NAN; gauge_t voltage = NAN; - gauge_t charge = NAN; + gauge_t capacity_charged = NAN; + gauge_t capacity_full = NAN; + gauge_t capacity_design = NAN; _Bool charging = 0; _Bool is_current = 0; @@ -525,7 +660,7 @@ static int read_acpi_callback (char const *dir, /* {{{ */ } else if ((strcmp (fields[0], "remaining") == 0) && (strcmp (fields[1], "capacity:") == 0)) - strtogauge (fields[2], &charge); + strtogauge (fields[2], &capacity_charged); else if ((strcmp (fields[0], "present") == 0) && (strcmp (fields[1], "voltage:") == 0)) strtogauge (fields[2], &voltage); @@ -544,11 +679,17 @@ static int read_acpi_callback (char const *dir, /* {{{ */ plugin_instance = (*battery_index == 0) ? "0" : power_supply; (*battery_index)++; - battery_submit (plugin_instance, "charge", charge / 1000.0); + read_acpi_full_capacity (dir, power_supply, &capacity_full, &capacity_design); + + submit_capacity (plugin_instance, + capacity_charged * PROC_ACPI_FACTOR, + capacity_full * PROC_ACPI_FACTOR, + capacity_design * PROC_ACPI_FACTOR); + battery_submit (plugin_instance, is_current ? "current" : "power", - power / 1000.0); - battery_submit (plugin_instance, "voltage", voltage / 1000.0); + power * PROC_ACPI_FACTOR); + battery_submit (plugin_instance, "voltage", voltage * PROC_ACPI_FACTOR); return 0; } /* }}} int read_acpi_callback */ @@ -656,7 +797,29 @@ static int battery_read (void) /* {{{ */ } /* }}} int battery_read */ #endif /* KERNEL_LINUX */ +static int battery_config (oconfig_item_t *ci) +{ + int i; + + for (i = 0; i < ci->children_num; i++) + { + oconfig_item_t *child = ci->children + i; + + if (strcasecmp ("ValuesPercentage", child->key) == 0) + cf_util_get_boolean (child, &report_percent); + else if (strcasecmp ("ReportDegraded", child->key) == 0) + cf_util_get_boolean (child, &report_degraded); + else + WARNING ("battery plugin: Ignoring unknown " + "configuration option \"%s\".", + child->key); + } + + return (0); +} /* }}} int battery_config */ + void module_register (void) { + plugin_register_complex_config ("battery", battery_config); plugin_register_read ("battery", battery_read); } /* void module_register */