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diff --git a/src/disk.c b/src/disk.c
index 1c3dd98d7d2a93318e8ce0318fbd8acbbd15e016..e3bd76186fab4a3ee6b350a3a83fb10c69e4d4a2 100644 (file)
--- a/src/disk.c
+++ b/src/disk.c
#if HAVE_IOKIT_IOBSD_H
# include <IOKit/IOBSD.h>
#endif
+#if KERNEL_FREEBSD
+#include <devstat.h>
+#include <libgeom.h>
+#endif
#if HAVE_LIMITS_H
# include <limits.h>
derive_t avg_read_time;
derive_t avg_write_time;
+ _Bool has_merged;
+ _Bool has_in_progress;
+ _Bool has_io_time;
+
struct diskstats *next;
} diskstats_t;
static diskstats_t *disklist;
/* #endif KERNEL_LINUX */
+#elif KERNEL_FREEBSD
+static struct gmesh geom_tree;
+/* #endif KERNEL_FREEBSD */
#elif HAVE_LIBKSTAT
#define MAX_NUMDISK 1024
/* do nothing */
/* #endif KERNEL_LINUX */
+#elif KERNEL_FREEBSD
+ int rv;
+
+ rv = geom_gettree(&geom_tree);
+ if (rv != 0) {
+ ERROR ("geom_gettree() failed, returned %d", rv);
+ return (-1);
+ }
+ rv = geom_stats_open();
+ if (rv != 0) {
+ ERROR ("geom_stats_open() failed, returned %d", rv);
+ return (-1);
+ }
+/* #endif KERNEL_FREEBSD */
+
#elif HAVE_LIBKSTAT
kstat_t *ksp_chain;
IOObjectRelease (disk_list);
/* #endif HAVE_IOKIT_IOKITLIB_H */
+#elif KERNEL_FREEBSD
+ int retry, dirty;
+
+ void *snap = NULL;
+ struct devstat *snap_iter;
+
+ struct gident *geom_id;
+
+ const char *disk_name;
+ long double read_time, write_time;
+
+ for (retry = 0, dirty = 1; retry < 5 && dirty == 1; retry++) {
+ if (snap != NULL)
+ geom_stats_snapshot_free(snap);
+
+ /* Get a fresh copy of stats snapshot */
+ snap = geom_stats_snapshot_get();
+ if (snap == NULL) {
+ ERROR("disk plugin: geom_stats_snapshot_get() failed.");
+ return (-1);
+ }
+
+ /* Check if we have dirty read from this snapshot */
+ dirty = 0;
+ geom_stats_snapshot_reset(snap);
+ while ((snap_iter = geom_stats_snapshot_next(snap)) != NULL) {
+ if (snap_iter->id == NULL)
+ continue;
+ geom_id = geom_lookupid(&geom_tree, snap_iter->id);
+
+ /* New device? refresh GEOM tree */
+ if (geom_id == NULL) {
+ geom_deletetree(&geom_tree);
+ if (geom_gettree(&geom_tree) != 0) {
+ ERROR("disk plugin: geom_gettree() failed");
+ geom_stats_snapshot_free(snap);
+ return (-1);
+ }
+ geom_id = geom_lookupid(&geom_tree, snap_iter->id);
+ }
+ /*
+ * This should be rare: the device come right before we take the
+ * snapshot and went away right after it. We will handle this
+ * case later, so don't mark dirty but silently ignore it.
+ */
+ if (geom_id == NULL)
+ continue;
+
+ /* Only collect PROVIDER data */
+ if (geom_id->lg_what != ISPROVIDER)
+ continue;
+
+ /* Only collect data when rank is 1 (physical devices) */
+ if (((struct gprovider *)(geom_id->lg_ptr))->lg_geom->lg_rank != 1)
+ continue;
+
+ /* Check if this is a dirty read quit for another try */
+ if (snap_iter->sequence0 != snap_iter->sequence1) {
+ dirty = 1;
+ break;
+ }
+ }
+ }
+
+ /* Reset iterator */
+ geom_stats_snapshot_reset(snap);
+ for (;;) {
+ snap_iter = geom_stats_snapshot_next(snap);
+ if (snap_iter == NULL)
+ break;
+
+ if (snap_iter->id == NULL)
+ continue;
+ geom_id = geom_lookupid(&geom_tree, snap_iter->id);
+ if (geom_id == NULL)
+ continue;
+ if (geom_id->lg_what != ISPROVIDER)
+ continue;
+ if (((struct gprovider *)(geom_id->lg_ptr))->lg_geom->lg_rank != 1)
+ continue;
+ /* Skip dirty reads, if present */
+ if (dirty && (snap_iter->sequence0 != snap_iter->sequence1))
+ continue;
+
+ disk_name = ((struct gprovider *)geom_id->lg_ptr)->lg_name;
+
+ if ((snap_iter->bytes[DEVSTAT_READ] != 0) || (snap_iter->bytes[DEVSTAT_WRITE] != 0)) {
+ disk_submit(disk_name, "disk_octets",
+ (derive_t)snap_iter->bytes[DEVSTAT_READ],
+ (derive_t)snap_iter->bytes[DEVSTAT_WRITE]);
+ }
+
+ if ((snap_iter->operations[DEVSTAT_READ] != 0) || (snap_iter->operations[DEVSTAT_WRITE] != 0)) {
+ disk_submit(disk_name, "disk_ops",
+ (derive_t)snap_iter->operations[DEVSTAT_READ],
+ (derive_t)snap_iter->operations[DEVSTAT_WRITE]);
+ }
+
+ read_time = devstat_compute_etime(&snap_iter->duration[DEVSTAT_READ], NULL);
+ write_time = devstat_compute_etime(&snap_iter->duration[DEVSTAT_WRITE], NULL);
+ if ((read_time != 0) || (write_time != 0)) {
+ disk_submit (disk_name, "disk_time",
+ (derive_t)(read_time*1000), (derive_t)(write_time*1000));
+ }
+ }
+ geom_stats_snapshot_free(snap);
+
#elif KERNEL_LINUX
FILE *fh;
char buffer[1024];
{
char *disk_name;
char *output_name;
- char *alt_name;
numfields = strsplit (buffer, fields, 32);
ds->read_time = read_time;
ds->write_ops = write_ops;
ds->write_time = write_time;
+
+ if (read_merged || write_merged)
+ ds->has_merged = 1;
+
+ if (in_progress)
+ ds->has_in_progress = 1;
+
+ if (io_time)
+ ds->has_io_time = 1;
+
} /* if (is_disk) */
/* Don't write to the RRDs if we've just started.. */
output_name = disk_name;
#if HAVE_LIBUDEV
- alt_name = disk_udev_attr_name (handle_udev, disk_name,
- conf_udev_name_attr);
-#else
- alt_name = NULL;
-#endif
+ char *alt_name = disk_udev_attr_name (handle_udev, disk_name, conf_udev_name_attr);
if (alt_name != NULL)
output_name = alt_name;
+#endif
if ((ds->read_bytes != 0) || (ds->write_bytes != 0))
disk_submit (output_name, "disk_octets",
if (is_disk)
{
- disk_submit (output_name, "disk_merged",
+ if (ds->has_merged)
+ disk_submit (output_name, "disk_merged",
read_merged, write_merged);
- submit_in_progress (output_name, in_progress);
- submit_io_time (output_name, io_time, weighted_time);
+ if (ds->has_in_progress)
+ submit_in_progress (output_name, in_progress);
+ if (ds->has_io_time)
+ submit_io_time (output_name, io_time, weighted_time);
} /* if (is_disk) */
+#if HAVE_LIBUDEV
/* release udev-based alternate name, if allocated */
- free(alt_name);
+ sfree (alt_name);
+#endif
} /* while (fgets (buffer, sizeof (buffer), fh) != NULL) */
#if HAVE_LIBUDEV