#include "collectd.h"
-#include "common.h"
#include "plugin.h"
-#include "utils_ignorelist.h"
+#include "utils/common/common.h"
+#include "utils/ignorelist/ignorelist.h"
#if HAVE_MACH_MACH_TYPES_H
#include <mach/mach_types.h>
#include <libgeom.h>
#endif
-#if HAVE_LIMITS_H
-#include <limits.h>
-#endif
#ifndef UINT_MAX
#define UINT_MAX 4294967295U
#endif
io_master_port = MACH_PORT_NULL;
return -1;
}
-/* #endif HAVE_IOKIT_IOKITLIB_H */
+ /* #endif HAVE_IOKIT_IOKITLIB_H */
#elif KERNEL_LINUX
#if HAVE_LIBUDEV_H
}
}
#endif /* HAVE_LIBUDEV_H */
-/* #endif KERNEL_LINUX */
+ /* #endif KERNEL_LINUX */
#elif KERNEL_FREEBSD
int rv;
ERROR("geom_stats_open() failed, returned %d", rv);
return -1;
}
-/* #endif KERNEL_FREEBSD */
+ /* #endif KERNEL_FREEBSD */
#elif HAVE_LIBKSTAT
kstat_t *ksp_chain;
derive_t read, derive_t write) {
value_list_t vl = VALUE_LIST_INIT;
value_t values[] = {
- {.derive = read}, {.derive = write},
+ {.derive = read},
+ {.derive = write},
};
vl.values = values;
derive_t weighted_time) {
value_list_t vl = VALUE_LIST_INIT;
value_t values[] = {
- {.derive = io_time}, {.derive = weighted_time},
+ {.derive = io_time},
+ {.derive = weighted_time},
};
vl.values = values;
plugin_dispatch_values(&vl);
} /* void submit_io_time */
-#endif /* KERNEL_FREEBSD || KERNEL_LINUX */
-#if KERNEL_LINUX
static void submit_in_progress(char const *disk_name, gauge_t in_progress) {
value_list_t vl = VALUE_LIST_INIT;
plugin_dispatch_values(&vl);
}
+#endif /* KERNEL_FREEBSD || KERNEL_LINUX */
+#if KERNEL_LINUX
static counter_t disk_calc_time_incr(counter_t delta_time,
counter_t delta_ops) {
double interval = CDTIME_T_TO_DOUBLE(plugin_get_interval());
sstrncpy(disk_name, props_disk_name_bsd, sizeof(disk_name));
else {
ERROR("disk plugin: can't find bsd disk name.");
- snprintf(disk_name, sizeof(disk_name), "%i-%i", disk_major, disk_minor);
+ ssnprintf(disk_name, sizeof(disk_name), "%i-%i", disk_major,
+ disk_minor);
}
} else
- snprintf(disk_name, sizeof(disk_name), "%i-%i", disk_major, disk_minor);
+ ssnprintf(disk_name, sizeof(disk_name), "%i-%i", disk_major, disk_minor);
DEBUG("disk plugin: disk_name = \"%s\"", disk_name);
disk_submit(disk_name, "disk_time", read_tme / 1000, write_tme / 1000);
}
IOObjectRelease(disk_list);
-/* #endif HAVE_IOKIT_IOKITLIB_H */
+ /* #endif HAVE_IOKIT_IOKITLIB_H */
#elif KERNEL_FREEBSD
int retry, dirty;
const char *disk_name;
long double read_time, write_time, busy_time, total_duration;
+ uint64_t queue_length;
for (retry = 0, dirty = 1; retry < 5 && dirty == 1; retry++) {
if (snap != NULL)
}
if (devstat_compute_statistics(snap_iter, NULL, 1.0, DSM_TOTAL_BUSY_TIME,
&busy_time, DSM_TOTAL_DURATION,
- &total_duration, DSM_NONE) != 0) {
+ &total_duration, DSM_QUEUE_LENGTH,
+ &queue_length, DSM_NONE) != 0) {
WARNING("%s", devstat_errbuf);
} else {
submit_io_time(disk_name, busy_time, total_duration);
+ submit_in_progress(disk_name, (gauge_t)queue_length);
}
}
geom_stats_snapshot_free(snap);
char buffer[1024];
char *fields[32];
- int numfields;
- int fieldshift = 0;
-
- int minor = 0;
+ static unsigned int poll_count = 0;
derive_t read_sectors = 0;
derive_t write_sectors = 0;
diskstats_t *ds, *pre_ds;
if ((fh = fopen("/proc/diskstats", "r")) == NULL) {
- fh = fopen("/proc/partitions", "r");
- if (fh == NULL) {
- ERROR("disk plugin: fopen (/proc/{diskstats,partitions}) failed.");
- return -1;
- }
-
- /* Kernel is 2.4.* */
- fieldshift = 1;
+ ERROR("disk plugin: fopen(\"/proc/diskstats\"): %s", STRERRNO);
+ return -1;
}
+ poll_count++;
while (fgets(buffer, sizeof(buffer), fh) != NULL) {
- char *disk_name;
- char *output_name;
+ int numfields = strsplit(buffer, fields, 32);
- numfields = strsplit(buffer, fields, 32);
-
- if ((numfields != (14 + fieldshift)) && (numfields != 7))
+ /* need either 7 fields (partition) or at least 14 fields */
+ if ((numfields != 7) && (numfields < 14))
continue;
- minor = atoll(fields[1]);
-
- disk_name = fields[2 + fieldshift];
+ char *disk_name = fields[2];
for (ds = disklist, pre_ds = disklist; ds != NULL;
pre_ds = ds, ds = ds->next)
break;
if (ds == NULL) {
- if ((ds = (diskstats_t *)calloc(1, sizeof(diskstats_t))) == NULL)
+ if ((ds = calloc(1, sizeof(*ds))) == NULL)
continue;
if ((ds->name = strdup(disk_name)) == NULL) {
read_sectors = atoll(fields[4]);
write_ops = atoll(fields[5]);
write_sectors = atoll(fields[6]);
- } else if (numfields == (14 + fieldshift)) {
- read_ops = atoll(fields[3 + fieldshift]);
- write_ops = atoll(fields[7 + fieldshift]);
+ } else {
+ assert(numfields >= 14);
+ read_ops = atoll(fields[3]);
+ write_ops = atoll(fields[7]);
- read_sectors = atoll(fields[5 + fieldshift]);
- write_sectors = atoll(fields[9 + fieldshift]);
+ read_sectors = atoll(fields[5]);
+ write_sectors = atoll(fields[9]);
- if ((fieldshift == 0) || (minor == 0)) {
- is_disk = 1;
- read_merged = atoll(fields[4 + fieldshift]);
- read_time = atoll(fields[6 + fieldshift]);
- write_merged = atoll(fields[8 + fieldshift]);
- write_time = atoll(fields[10 + fieldshift]);
+ is_disk = 1;
+ read_merged = atoll(fields[4]);
+ read_time = atoll(fields[6]);
+ write_merged = atoll(fields[8]);
+ write_time = atoll(fields[10]);
- in_progress = atof(fields[11 + fieldshift]);
+ in_progress = atof(fields[11]);
- io_time = atof(fields[12 + fieldshift]);
- weighted_time = atof(fields[13 + fieldshift]);
- }
- } else {
- DEBUG("numfields = %i; => unknown file format.", numfields);
- continue;
+ io_time = atof(fields[12]);
+ weighted_time = atof(fields[13]);
}
{
} /* if (is_disk) */
- /* Don't write to the RRDs if we've just started.. */
- ds->poll_count++;
- if (ds->poll_count <= 2) {
- DEBUG("disk plugin: (ds->poll_count = %i) <= "
- "(min_poll_count = 2); => Not writing.",
- ds->poll_count);
+ /* Skip first cycle for newly-added disk */
+ if (ds->poll_count == 0) {
+ DEBUG("disk plugin: (ds->poll_count = 0) => Skipping.");
+ ds->poll_count = poll_count;
continue;
}
+ ds->poll_count = poll_count;
if ((read_ops == 0) && (write_ops == 0)) {
DEBUG("disk plugin: ((read_ops == 0) && "
continue;
}
- output_name = disk_name;
+ char *output_name = disk_name;
#if HAVE_LIBUDEV_H
char *alt_name = NULL;
#endif
} /* while (fgets (buffer, sizeof (buffer), fh) != NULL) */
+ /* Remove disks that have disappeared from diskstats */
+ for (ds = disklist, pre_ds = disklist; ds != NULL;) {
+ /* Disk exists */
+ if (ds->poll_count == poll_count) {
+ pre_ds = ds;
+ ds = ds->next;
+ continue;
+ }
+
+ /* Disk is missing, remove it */
+ diskstats_t *missing_ds = ds;
+ if (ds == disklist) {
+ pre_ds = disklist = ds->next;
+ } else {
+ pre_ds->next = ds->next;
+ }
+ ds = ds->next;
+
+ DEBUG("disk plugin: Disk %s disappeared.", missing_ds->name);
+ free(missing_ds->name);
+ free(missing_ds);
+ }
fclose(fh);
-/* #endif defined(KERNEL_LINUX) */
+ /* #endif defined(KERNEL_LINUX) */
#elif HAVE_LIBKSTAT
#if HAVE_KSTAT_IO_T_WRITES && HAVE_KSTAT_IO_T_NWRITES && HAVE_KSTAT_IO_T_WTIME
disk_submit(ksp[i]->ks_name, "disk_ops", kio.KIO_ROPS, kio.KIO_WOPS);
}
}
-/* #endif defined(HAVE_LIBKSTAT) */
+ /* #endif defined(HAVE_LIBKSTAT) */
#elif defined(HAVE_LIBSTATGRAB)
sg_disk_io_stats *ds;
disk_submit(name, "disk_octets", ds->read_bytes, ds->write_bytes);
ds++;
}
-/* #endif defined(HAVE_LIBSTATGRAB) */
+ /* #endif defined(HAVE_LIBSTATGRAB) */
#elif defined(HAVE_PERFSTAT)
derive_t read_sectors;
}
if (numdisk != pnumdisk || stat_disk == NULL) {
- if (stat_disk != NULL)
- free(stat_disk);
- stat_disk = (perfstat_disk_t *)calloc(numdisk, sizeof(perfstat_disk_t));
+ free(stat_disk);
+ stat_disk = calloc(numdisk, sizeof(*stat_disk));
}
pnumdisk = numdisk;
projects / collectd.git / blobdiff