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Add new counters for flush requests in Linux 5.5 (#1548)

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* Add diskstat flush request counters for Linux 5.5+
* Update tests for diskstat flush request counters with Linux 5.5+

Signed-off-by: Holger Hoffstätte <holger@applied-asynchrony.com>
This commit is contained in:
Holger Hoffstätte 2019-11-25 20:16:15 +01:00 committed by Ben Kochie
parent 67d3010a79
commit 3c2c4e7b3c
4 changed files with 48 additions and 0 deletions
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17
collector/diskstats_linux.go
View file

@ -160,6 +160,23 @@ func NewDiskstatsCollector() (Collector, error) {
), valueType: prometheus.CounterValue, ), valueType: prometheus.CounterValue,
factor: .001, factor: .001,
}, },
{
desc: prometheus.NewDesc(
prometheus.BuildFQName(namespace, diskSubsystem, "flush_requests_total"),
"The total number of flush requests completed successfully",
diskLabelNames,
nil,
), valueType: prometheus.CounterValue,
},
{
desc: prometheus.NewDesc(
prometheus.BuildFQName(namespace, diskSubsystem, "flush_requests_time_seconds_total"),
"This is the total number of seconds spent by all flush requests.",
diskLabelNames,
nil,
), valueType: prometheus.CounterValue,
factor: .001,
},
}, },
}, nil }, nil
} }

8
collector/diskstats_linux_test.go
View file

@ -41,4 +41,12 @@ func TestDiskStats(t *testing.T) {
if want, got := "11130", diskStats["sdb"][14]; want != got { if want, got := "11130", diskStats["sdb"][14]; want != got {
t.Errorf("want diskstats sdb %s, got %s", want, got) t.Errorf("want diskstats sdb %s, got %s", want, got)
} }
if want, got := "1555", diskStats["sdc"][15]; want != got {
t.Errorf("want diskstats sdc %s, got %s", want, got)
}
if want, got := "1944", diskStats["sdc"][16]; want != got {
t.Errorf("want diskstats sdc %s, got %s", want, got)
}
} }

21
collector/fixtures/e2e-output.txt
View file

@ -309,15 +309,25 @@ node_cpu_seconds_total{cpu="7",mode="user"} 290.98
# HELP node_disk_discard_time_seconds_total This is the total number of seconds spent by all discards. # HELP node_disk_discard_time_seconds_total This is the total number of seconds spent by all discards.
# TYPE node_disk_discard_time_seconds_total counter # TYPE node_disk_discard_time_seconds_total counter
node_disk_discard_time_seconds_total{device="sdb"} 11.13 node_disk_discard_time_seconds_total{device="sdb"} 11.13
node_disk_discard_time_seconds_total{device="sdc"} 11.13
# HELP node_disk_discarded_sectors_total The total number of sectors discarded successfully. # HELP node_disk_discarded_sectors_total The total number of sectors discarded successfully.
# TYPE node_disk_discarded_sectors_total counter # TYPE node_disk_discarded_sectors_total counter
node_disk_discarded_sectors_total{device="sdb"} 1.925173784e+09 node_disk_discarded_sectors_total{device="sdb"} 1.925173784e+09
node_disk_discarded_sectors_total{device="sdc"} 1.25173784e+08
# HELP node_disk_discards_completed_total The total number of discards completed successfully. # HELP node_disk_discards_completed_total The total number of discards completed successfully.
# TYPE node_disk_discards_completed_total counter # TYPE node_disk_discards_completed_total counter
node_disk_discards_completed_total{device="sdb"} 68851 node_disk_discards_completed_total{device="sdb"} 68851
node_disk_discards_completed_total{device="sdc"} 18851
# HELP node_disk_discards_merged_total The total number of discards merged. # HELP node_disk_discards_merged_total The total number of discards merged.
# TYPE node_disk_discards_merged_total counter # TYPE node_disk_discards_merged_total counter
node_disk_discards_merged_total{device="sdb"} 0 node_disk_discards_merged_total{device="sdb"} 0
node_disk_discards_merged_total{device="sdc"} 0
# HELP node_disk_flush_requests_time_seconds_total This is the total number of seconds spent by all flush requests.
# TYPE node_disk_flush_requests_time_seconds_total counter
node_disk_flush_requests_time_seconds_total{device="sdc"} 1.944
# HELP node_disk_flush_requests_total The total number of flush requests completed successfully
# TYPE node_disk_flush_requests_total counter
node_disk_flush_requests_total{device="sdc"} 1555
# HELP node_disk_io_now The number of I/Os currently in progress. # HELP node_disk_io_now The number of I/Os currently in progress.
# TYPE node_disk_io_now gauge # TYPE node_disk_io_now gauge
node_disk_io_now{device="dm-0"} 0 node_disk_io_now{device="dm-0"} 0
@ -332,6 +342,7 @@ node_disk_io_now{device="mmcblk0p2"} 0
node_disk_io_now{device="nvme0n1"} 0 node_disk_io_now{device="nvme0n1"} 0
node_disk_io_now{device="sda"} 0 node_disk_io_now{device="sda"} 0
node_disk_io_now{device="sdb"} 0 node_disk_io_now{device="sdb"} 0
node_disk_io_now{device="sdc"} 0
node_disk_io_now{device="sr0"} 0 node_disk_io_now{device="sr0"} 0
node_disk_io_now{device="vda"} 0 node_disk_io_now{device="vda"} 0
# HELP node_disk_io_time_seconds_total Total seconds spent doing I/Os. # HELP node_disk_io_time_seconds_total Total seconds spent doing I/Os.
@ -348,6 +359,7 @@ node_disk_io_time_seconds_total{device="mmcblk0p2"} 0.068
node_disk_io_time_seconds_total{device="nvme0n1"} 222.766 node_disk_io_time_seconds_total{device="nvme0n1"} 222.766
node_disk_io_time_seconds_total{device="sda"} 9653.880000000001 node_disk_io_time_seconds_total{device="sda"} 9653.880000000001
node_disk_io_time_seconds_total{device="sdb"} 60.730000000000004 node_disk_io_time_seconds_total{device="sdb"} 60.730000000000004
node_disk_io_time_seconds_total{device="sdc"} 10.73
node_disk_io_time_seconds_total{device="sr0"} 0 node_disk_io_time_seconds_total{device="sr0"} 0
node_disk_io_time_seconds_total{device="vda"} 41614.592000000004 node_disk_io_time_seconds_total{device="vda"} 41614.592000000004
# HELP node_disk_io_time_weighted_seconds_total The weighted # of seconds spent doing I/Os. # HELP node_disk_io_time_weighted_seconds_total The weighted # of seconds spent doing I/Os.
@ -364,6 +376,7 @@ node_disk_io_time_weighted_seconds_total{device="mmcblk0p2"} 0.068
node_disk_io_time_weighted_seconds_total{device="nvme0n1"} 1032.546 node_disk_io_time_weighted_seconds_total{device="nvme0n1"} 1032.546
node_disk_io_time_weighted_seconds_total{device="sda"} 82621.804 node_disk_io_time_weighted_seconds_total{device="sda"} 82621.804
node_disk_io_time_weighted_seconds_total{device="sdb"} 67.07000000000001 node_disk_io_time_weighted_seconds_total{device="sdb"} 67.07000000000001
node_disk_io_time_weighted_seconds_total{device="sdc"} 17.07
node_disk_io_time_weighted_seconds_total{device="sr0"} 0 node_disk_io_time_weighted_seconds_total{device="sr0"} 0
node_disk_io_time_weighted_seconds_total{device="vda"} 2.0778722280000001e+06 node_disk_io_time_weighted_seconds_total{device="vda"} 2.0778722280000001e+06
# HELP node_disk_read_bytes_total The total number of bytes read successfully. # HELP node_disk_read_bytes_total The total number of bytes read successfully.
@ -380,6 +393,7 @@ node_disk_read_bytes_total{device="mmcblk0p2"} 389120
node_disk_read_bytes_total{device="nvme0n1"} 2.377714176e+09 node_disk_read_bytes_total{device="nvme0n1"} 2.377714176e+09
node_disk_read_bytes_total{device="sda"} 5.13713216512e+11 node_disk_read_bytes_total{device="sda"} 5.13713216512e+11
node_disk_read_bytes_total{device="sdb"} 4.944782848e+09 node_disk_read_bytes_total{device="sdb"} 4.944782848e+09
node_disk_read_bytes_total{device="sdc"} 8.48782848e+08
node_disk_read_bytes_total{device="sr0"} 0 node_disk_read_bytes_total{device="sr0"} 0
node_disk_read_bytes_total{device="vda"} 1.6727491584e+10 node_disk_read_bytes_total{device="vda"} 1.6727491584e+10
# HELP node_disk_read_time_seconds_total The total number of seconds spent by all reads. # HELP node_disk_read_time_seconds_total The total number of seconds spent by all reads.
@ -396,6 +410,7 @@ node_disk_read_time_seconds_total{device="mmcblk0p2"} 0.068
node_disk_read_time_seconds_total{device="nvme0n1"} 21.650000000000002 node_disk_read_time_seconds_total{device="nvme0n1"} 21.650000000000002
node_disk_read_time_seconds_total{device="sda"} 18492.372 node_disk_read_time_seconds_total{device="sda"} 18492.372
node_disk_read_time_seconds_total{device="sdb"} 0.084 node_disk_read_time_seconds_total{device="sdb"} 0.084
node_disk_read_time_seconds_total{device="sdc"} 0.014
node_disk_read_time_seconds_total{device="sr0"} 0 node_disk_read_time_seconds_total{device="sr0"} 0
node_disk_read_time_seconds_total{device="vda"} 8655.768 node_disk_read_time_seconds_total{device="vda"} 8655.768
# HELP node_disk_reads_completed_total The total number of reads completed successfully. # HELP node_disk_reads_completed_total The total number of reads completed successfully.
@ -412,6 +427,7 @@ node_disk_reads_completed_total{device="mmcblk0p2"} 95
node_disk_reads_completed_total{device="nvme0n1"} 47114 node_disk_reads_completed_total{device="nvme0n1"} 47114
node_disk_reads_completed_total{device="sda"} 2.5354637e+07 node_disk_reads_completed_total{device="sda"} 2.5354637e+07
node_disk_reads_completed_total{device="sdb"} 326552 node_disk_reads_completed_total{device="sdb"} 326552
node_disk_reads_completed_total{device="sdc"} 126552
node_disk_reads_completed_total{device="sr0"} 0 node_disk_reads_completed_total{device="sr0"} 0
node_disk_reads_completed_total{device="vda"} 1.775784e+06 node_disk_reads_completed_total{device="vda"} 1.775784e+06
# HELP node_disk_reads_merged_total The total number of reads merged. # HELP node_disk_reads_merged_total The total number of reads merged.
@ -428,6 +444,7 @@ node_disk_reads_merged_total{device="mmcblk0p2"} 0
node_disk_reads_merged_total{device="nvme0n1"} 4 node_disk_reads_merged_total{device="nvme0n1"} 4
node_disk_reads_merged_total{device="sda"} 3.4367663e+07 node_disk_reads_merged_total{device="sda"} 3.4367663e+07
node_disk_reads_merged_total{device="sdb"} 841 node_disk_reads_merged_total{device="sdb"} 841
node_disk_reads_merged_total{device="sdc"} 141
node_disk_reads_merged_total{device="sr0"} 0 node_disk_reads_merged_total{device="sr0"} 0
node_disk_reads_merged_total{device="vda"} 15386 node_disk_reads_merged_total{device="vda"} 15386
# HELP node_disk_write_time_seconds_total This is the total number of seconds spent by all writes. # HELP node_disk_write_time_seconds_total This is the total number of seconds spent by all writes.
@ -444,6 +461,7 @@ node_disk_write_time_seconds_total{device="mmcblk0p2"} 0
node_disk_write_time_seconds_total{device="nvme0n1"} 1011.053 node_disk_write_time_seconds_total{device="nvme0n1"} 1011.053
node_disk_write_time_seconds_total{device="sda"} 63877.96 node_disk_write_time_seconds_total{device="sda"} 63877.96
node_disk_write_time_seconds_total{device="sdb"} 5.007 node_disk_write_time_seconds_total{device="sdb"} 5.007
node_disk_write_time_seconds_total{device="sdc"} 1.0070000000000001
node_disk_write_time_seconds_total{device="sr0"} 0 node_disk_write_time_seconds_total{device="sr0"} 0
node_disk_write_time_seconds_total{device="vda"} 2.069221364e+06 node_disk_write_time_seconds_total{device="vda"} 2.069221364e+06
# HELP node_disk_writes_completed_total The total number of writes completed successfully. # HELP node_disk_writes_completed_total The total number of writes completed successfully.
@ -460,6 +478,7 @@ node_disk_writes_completed_total{device="mmcblk0p2"} 0
node_disk_writes_completed_total{device="nvme0n1"} 1.07832e+06 node_disk_writes_completed_total{device="nvme0n1"} 1.07832e+06
node_disk_writes_completed_total{device="sda"} 2.8444756e+07 node_disk_writes_completed_total{device="sda"} 2.8444756e+07
node_disk_writes_completed_total{device="sdb"} 41822 node_disk_writes_completed_total{device="sdb"} 41822
node_disk_writes_completed_total{device="sdc"} 11822
node_disk_writes_completed_total{device="sr0"} 0 node_disk_writes_completed_total{device="sr0"} 0
node_disk_writes_completed_total{device="vda"} 6.038856e+06 node_disk_writes_completed_total{device="vda"} 6.038856e+06
# HELP node_disk_writes_merged_total The number of writes merged. # HELP node_disk_writes_merged_total The number of writes merged.
@ -476,6 +495,7 @@ node_disk_writes_merged_total{device="mmcblk0p2"} 0
node_disk_writes_merged_total{device="nvme0n1"} 43950 node_disk_writes_merged_total{device="nvme0n1"} 43950
node_disk_writes_merged_total{device="sda"} 1.1134226e+07 node_disk_writes_merged_total{device="sda"} 1.1134226e+07
node_disk_writes_merged_total{device="sdb"} 2895 node_disk_writes_merged_total{device="sdb"} 2895
node_disk_writes_merged_total{device="sdc"} 1895
node_disk_writes_merged_total{device="sr0"} 0 node_disk_writes_merged_total{device="sr0"} 0
node_disk_writes_merged_total{device="vda"} 2.0711856e+07 node_disk_writes_merged_total{device="vda"} 2.0711856e+07
# HELP node_disk_written_bytes_total The total number of bytes written successfully. # HELP node_disk_written_bytes_total The total number of bytes written successfully.
@ -492,6 +512,7 @@ node_disk_written_bytes_total{device="mmcblk0p2"} 0
node_disk_written_bytes_total{device="nvme0n1"} 2.0199236096e+10 node_disk_written_bytes_total{device="nvme0n1"} 2.0199236096e+10
node_disk_written_bytes_total{device="sda"} 2.58916880384e+11 node_disk_written_bytes_total{device="sda"} 2.58916880384e+11
node_disk_written_bytes_total{device="sdb"} 1.01012736e+09 node_disk_written_bytes_total{device="sdb"} 1.01012736e+09
node_disk_written_bytes_total{device="sdc"} 8.852736e+07
node_disk_written_bytes_total{device="sr0"} 0 node_disk_written_bytes_total{device="sr0"} 0
node_disk_written_bytes_total{device="vda"} 1.0938236928e+11 node_disk_written_bytes_total{device="vda"} 1.0938236928e+11
# HELP node_drbd_activitylog_writes_total Number of updates of the activity log area of the meta data. # HELP node_drbd_activitylog_writes_total Number of updates of the activity log area of the meta data.

2
collector/fixtures/proc/diskstats
View file

@ -47,3 +47,5 @@
8 0 sdb 326552 841 9657779 84 41822 2895 1972905 5007 0 60730 67070 68851 0 1925173784 11130 8 0 sdb 326552 841 9657779 84 41822 2895 1972905 5007 0 60730 67070 68851 0 1925173784 11130
8 1 sdb1 231 3 34466 4 24 23 106 0 0 64 64 0 0 0 0 8 1 sdb1 231 3 34466 4 24 23 106 0 0 64 64 0 0 0 0
8 2 sdb2 326310 838 9622281 67 40726 2872 1972799 4924 0 58250 64567 68851 0 1925173784 11130 8 2 sdb2 326310 838 9622281 67 40726 2872 1972799 4924 0 58250 64567 68851 0 1925173784 11130
8 0 sdc 126552 141 1657779 14 11822 1895 172905 1007 0 10730 17070 18851 0 125173784 11130 1555 1944
8 1 sdc1 231 3 34466 4 24 23 106 0 0 64 64 0 0 0 0 0 0