+ // --------------------------------------------------------------------
+
+ if(dm->do_ops == CONFIG_BOOLEAN_YES || (dm->do_ops == CONFIG_BOOLEAN_AUTO &&
+ (dstat[i].operations[DEVSTAT_READ] || dstat[i].operations[DEVSTAT_WRITE]))) {
+ if (unlikely(!dm->st_ops)) {
+ dm->st_ops = rrdset_create_localhost("disk_ops",
+ disk,
+ NULL,
+ disk,
+ "disk.ops",
+ "Disk Completed I/O Operations",
+ "operations/s",
+ 2001,
+ update_every,
+ RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(dm->st_ops, RRDSET_FLAG_DETAIL);
+
+ dm->rd_ops_in = rrddim_add(dm->st_ops, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ dm->rd_ops_out = rrddim_add(dm->st_ops, "writes", NULL, -1, 1,
+ RRD_ALGORITHM_INCREMENTAL);
+ } else
+ rrdset_next(dm->st_ops);
+
+ rrddim_set_by_pointer(dm->st_ops, dm->rd_ops_in, dstat[i].operations[DEVSTAT_READ]);
+ rrddim_set_by_pointer(dm->st_ops, dm->rd_ops_out, dstat[i].operations[DEVSTAT_WRITE]);
+ rrdset_done(dm->st_ops);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(dm->do_qops == CONFIG_BOOLEAN_YES || (dm->do_qops == CONFIG_BOOLEAN_AUTO &&
+ (dstat[i].start_count || dstat[i].end_count))) {
+ if (unlikely(!dm->st_qops)) {
+ dm->st_qops = rrdset_create_localhost("disk_qops",
+ disk,
+ NULL,
+ disk,
+ "disk.qops",
+ "Disk Current I/O Operations",
+ "operations",
+ 2002,
+ update_every,
+ RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(dm->st_qops, RRDSET_FLAG_DETAIL);
+
+ dm->rd_qops = rrddim_add(dm->st_qops, "operations", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ } else
+ rrdset_next(dm->st_qops);
+
+ rrddim_set_by_pointer(dm->st_qops, dm->rd_qops, dstat[i].start_count - dstat[i].end_count);
+ rrdset_done(dm->st_qops);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(dm->do_util == CONFIG_BOOLEAN_YES || (dm->do_util == CONFIG_BOOLEAN_AUTO &&
+ cur_dstat.busy_time_ms)) {
+ if (unlikely(!dm->st_util)) {
+ dm->st_util = rrdset_create_localhost("disk_util",
+ disk,
+ NULL,
+ disk,
+ "disk.util",
+ "Disk Utilization Time",
+ "% of time working",
+ 2004,
+ update_every,
+ RRDSET_TYPE_AREA
+ );
+
+ rrdset_flag_set(dm->st_util, RRDSET_FLAG_DETAIL);
+
+ dm->rd_util = rrddim_add(dm->st_util, "utilization", NULL, 1, 10,
+ RRD_ALGORITHM_INCREMENTAL);
+ } else
+ rrdset_next(dm->st_util);
+
+ rrddim_set_by_pointer(dm->st_util, dm->rd_util, cur_dstat.busy_time_ms);
+ rrdset_done(dm->st_util);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(dm->do_iotime == CONFIG_BOOLEAN_YES || (dm->do_iotime == CONFIG_BOOLEAN_AUTO &&
+ (cur_dstat.duration_read_ms || cur_dstat.duration_write_ms))) {
+ if (unlikely(!dm->st_iotime)) {
+ dm->st_iotime = rrdset_create_localhost("disk_iotime",
+ disk,
+ NULL,
+ disk,
+ "disk.iotime",
+ "Disk Total I/O Time",
+ "milliseconds/s",
+ 2022,
+ update_every,
+ RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(dm->st_iotime, RRDSET_FLAG_DETAIL);
+
+ dm->rd_iotime_in = rrddim_add(dm->st_iotime, "reads", NULL, 1, 1,
+ RRD_ALGORITHM_INCREMENTAL);
+ dm->rd_iotime_out = rrddim_add(dm->st_iotime, "writes", NULL, -1, 1,
+ RRD_ALGORITHM_INCREMENTAL);
+ } else
+ rrdset_next(dm->st_iotime);
+
+ rrddim_set_by_pointer(dm->st_iotime, dm->rd_iotime_in, cur_dstat.duration_read_ms);
+ rrddim_set_by_pointer(dm->st_iotime, dm->rd_iotime_out, cur_dstat.duration_write_ms);
+ rrdset_done(dm->st_iotime);
+ }
+
+ // --------------------------------------------------------------------
+ // calculate differential charts
+ // only if this is not the first time we run
+
+ if (likely(dt)) {
+
+ // --------------------------------------------------------------------
+
+ if(dm->do_await == CONFIG_BOOLEAN_YES || (dm->do_await == CONFIG_BOOLEAN_AUTO &&
+ (dstat[i].operations[DEVSTAT_READ] || dstat[i].operations[DEVSTAT_WRITE]))) {
+ if (unlikely(!dm->st_await)) {
+ dm->st_await = rrdset_create_localhost("disk_await",
+ disk,
+ NULL,
+ disk,
+ "disk.await",
+ "Average Completed I/O Operation Time",
+ "ms per operation",
+ 2005,
+ update_every,
+ RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(dm->st_await, RRDSET_FLAG_DETAIL);
+
+ dm->rd_await_in = rrddim_add(dm->st_await, "reads", NULL, 1, 1,
+ RRD_ALGORITHM_ABSOLUTE);
+ dm->rd_await_out = rrddim_add(dm->st_await, "writes", NULL, -1, 1,
+ RRD_ALGORITHM_ABSOLUTE);
+ } else
+ rrdset_next(dm->st_await);
+
+ rrddim_set_by_pointer(dm->st_await, dm->rd_await_in,
+ (dstat[i].operations[DEVSTAT_READ] -
+ dm->prev_dstat.operations_read) ?
+ (cur_dstat.duration_read_ms - dm->prev_dstat.duration_read_ms) /
+ (dstat[i].operations[DEVSTAT_READ] -
+ dm->prev_dstat.operations_read) :
+ 0);
+ rrddim_set_by_pointer(dm->st_await, dm->rd_await_out,
+ (dstat[i].operations[DEVSTAT_WRITE] -
+ dm->prev_dstat.operations_write) ?
+ (cur_dstat.duration_write_ms - dm->prev_dstat.duration_write_ms) /
+ (dstat[i].operations[DEVSTAT_WRITE] -
+ dm->prev_dstat.operations_write) :
+ 0);
+ rrdset_done(dm->st_await);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(dm->do_avagsz == CONFIG_BOOLEAN_YES || (dm->do_avagsz == CONFIG_BOOLEAN_AUTO &&
+ (dstat[i].operations[DEVSTAT_READ] || dstat[i].operations[DEVSTAT_WRITE]))) {
+ if (unlikely(!dm->st_avagsz)) {
+ dm->st_avagsz = rrdset_create_localhost("disk_avgsz",
+ disk,
+ NULL,
+ disk,
+ "disk.avgsz",
+ "Average Completed I/O Operation Bandwidth",
+ "kilobytes per operation",
+ 2006,
+ update_every,
+ RRDSET_TYPE_AREA
+ );
+
+ rrdset_flag_set(dm->st_avagsz, RRDSET_FLAG_DETAIL);
+
+ dm->rd_avagsz_in = rrddim_add(dm->st_avagsz, "reads", NULL, 1, KILO_FACTOR,
+ RRD_ALGORITHM_ABSOLUTE);
+ dm->rd_avagsz_out = rrddim_add(dm->st_avagsz, "writes", NULL, -1, KILO_FACTOR,
+ RRD_ALGORITHM_ABSOLUTE);
+ } else
+ rrdset_next(dm->st_avagsz);
+
+ rrddim_set_by_pointer(dm->st_avagsz, dm->rd_avagsz_in,
+ (dstat[i].operations[DEVSTAT_READ] -
+ dm->prev_dstat.operations_read) ?
+ (dstat[i].bytes[DEVSTAT_READ] - dm->prev_dstat.bytes_read) /
+ (dstat[i].operations[DEVSTAT_READ] -
+ dm->prev_dstat.operations_read) :
+ 0);
+ rrddim_set_by_pointer(dm->st_avagsz, dm->rd_avagsz_out,
+ (dstat[i].operations[DEVSTAT_WRITE] -
+ dm->prev_dstat.operations_write) ?
+ (dstat[i].bytes[DEVSTAT_WRITE] - dm->prev_dstat.bytes_write) /
+ (dstat[i].operations[DEVSTAT_WRITE] -
+ dm->prev_dstat.operations_write) :
+ 0);
+ rrdset_done(dm->st_avagsz);
+ }