Add meta operations and total values as value per second (#151)

Co-authored-by: Michael Schwarz <schwarz@uni-paderborn.de>
This commit is contained in:
oscarminus 2025-07-03 14:57:59 +02:00 committed by GitHub
parent 2d4894b8f7
commit 776af72231
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2 changed files with 225 additions and 13 deletions

View File

@ -27,8 +27,17 @@ import (
const DEFAULT_GPFS_CMD = "mmpmon"
type GpfsCollectorLastState struct {
numOpens int64
numCloses int64
numReads int64
numWrites int64
numReaddirs int64
numInodeUpdates int64
bytesRead int64
bytesWritten int64
bytesTotal int64
iops int64
metaops int64
}
type GpfsCollector struct {
@ -39,6 +48,7 @@ type GpfsCollector struct {
ExcludeFilesystem []string `json:"exclude_filesystem,omitempty"`
SendBandwidths bool `json:"send_bandwidths"`
SendTotalValues bool `json:"send_total_values"`
SendDerivedValues bool `json:"send_derived_values"`
}
skipFS map[string]struct{}
lastTimestamp time.Time // Store time stamp of last tick to derive bandwidths
@ -185,6 +195,22 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
}
}
if m.config.SendDerivedValues {
if _, ok := m.lastState[filesystem]; !ok {
m.lastState[filesystem] = GpfsCollectorLastState{
numReads: -1,
numWrites: -1,
numOpens: -1,
numCloses: -1,
numReaddirs: -1,
numInodeUpdates: -1,
bytesTotal: -1,
iops: -1,
metaops: -1,
}
}
}
// return code
rc, err := strconv.Atoi(key_value["_rc_"])
if err != nil {
@ -296,13 +322,6 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
}
}
if m.config.SendBandwidths {
m.lastState[filesystem] = GpfsCollectorLastState{
bytesRead: bytesRead,
bytesWritten: bytesWritten,
}
}
// number of opens
numOpens, err := strconv.ParseInt(key_value["_oc_"], 10, 64)
if err != nil {
@ -314,6 +333,24 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
if y, err := lp.NewMessage("gpfs_num_opens", m.tags, m.meta, map[string]interface{}{"value": numOpens}, timestamp); err == nil {
output <- y
}
if m.config.SendDerivedValues {
if lastNumOpens := m.lastState[filesystem].numOpens; lastNumOpens >= 0 {
opensRate := float64(numOpens-lastNumOpens) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_opens_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": opensRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
// number of closes
numCloses, err := strconv.ParseInt(key_value["_cc_"], 10, 64)
@ -326,6 +363,24 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
if y, err := lp.NewMessage("gpfs_num_closes", m.tags, m.meta, map[string]interface{}{"value": numCloses}, timestamp); err == nil {
output <- y
}
if m.config.SendDerivedValues {
if lastNumCloses := m.lastState[filesystem].numCloses; lastNumCloses >= 0 {
closesRate := float64(numCloses-lastNumCloses) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_closes_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": closesRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
// number of reads
numReads, err := strconv.ParseInt(key_value["_rdc_"], 10, 64)
@ -338,6 +393,24 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
if y, err := lp.NewMessage("gpfs_num_reads", m.tags, m.meta, map[string]interface{}{"value": numReads}, timestamp); err == nil {
output <- y
}
if m.config.SendDerivedValues {
if lastNumReads := m.lastState[filesystem].numReads; lastNumReads >= 0 {
readsRate := float64(numOpens-lastNumReads) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_reads_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": readsRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
// number of writes
numWrites, err := strconv.ParseInt(key_value["_wc_"], 10, 64)
@ -350,6 +423,24 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
if y, err := lp.NewMessage("gpfs_num_writes", m.tags, m.meta, map[string]interface{}{"value": numWrites}, timestamp); err == nil {
output <- y
}
if m.config.SendDerivedValues {
if lastNumWrites := m.lastState[filesystem].numWrites; lastNumWrites >= 0 {
writesRate := float64(numWrites-lastNumWrites) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_writes_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": writesRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
// number of read directories
numReaddirs, err := strconv.ParseInt(key_value["_dir_"], 10, 64)
@ -362,6 +453,24 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
if y, err := lp.NewMessage("gpfs_num_readdirs", m.tags, m.meta, map[string]interface{}{"value": numReaddirs}, timestamp); err == nil {
output <- y
}
if m.config.SendDerivedValues {
if lastNumReaddirs := m.lastState[filesystem].numReaddirs; lastNumReaddirs >= 0 {
readdirsRate := float64(numReaddirs-lastNumReaddirs) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_readdirs_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": readdirsRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
// Number of inode updates
numInodeUpdates, err := strconv.ParseInt(key_value["_iu_"], 10, 64)
@ -374,10 +483,31 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
if y, err := lp.NewMessage("gpfs_num_inode_updates", m.tags, m.meta, map[string]interface{}{"value": numInodeUpdates}, timestamp); err == nil {
output <- y
}
if m.config.SendDerivedValues {
if lastNumInodeUpdates := m.lastState[filesystem].numInodeUpdates; lastNumInodeUpdates >= 0 {
inodeUpdatesRate := float64(numInodeUpdates-lastNumInodeUpdates) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_inode_updates_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": inodeUpdatesRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
// Total values
bytesTotal := int64(-1);
iops := int64(-1);
metaops := int64(-1);
if m.config.SendTotalValues {
bytesTotal := bytesRead + bytesWritten
bytesTotal = bytesRead + bytesWritten
if y, err :=
lp.NewMessage("gpfs_bytes_total",
m.tags,
@ -390,7 +520,26 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
y.AddMeta("unit", "bytes")
output <- y
}
iops := numReads + numWrites
if m.config.SendBandwidths {
if lastBytesTotal := m.lastState[filesystem].bytesTotal; lastBytesTotal >= 0 {
bwTotal := float64(bytesTotal-lastBytesTotal) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_bw_total",
m.tags,
m.meta,
map[string]interface{}{
"value": bwTotal,
},
timestamp,
); err == nil {
y.AddMeta("unit", "bytes/sec")
output <- y
}
}
}
iops = numReads + numWrites
if y, err :=
lp.NewMessage("gpfs_iops",
m.tags,
@ -402,7 +551,26 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
); err == nil {
output <- y
}
metaops := numInodeUpdates + numCloses + numOpens + numReaddirs
if m.config.SendDerivedValues {
if lastIops := m.lastState[filesystem].iops; lastIops >= 0 {
iopsRate := float64(iops-lastIops) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_iops_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": iopsRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
metaops = numInodeUpdates + numCloses + numOpens + numReaddirs
if y, err :=
lp.NewMessage("gpfs_metaops",
m.tags,
@ -414,8 +582,42 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
); err == nil {
output <- y
}
if m.config.SendDerivedValues {
if lastMetaops := m.lastState[filesystem].metaops; lastMetaops >= 0 {
metaopsRate := float64(metaops-lastMetaops) / timeDiff
if y, err :=
lp.NewMessage(
"gpfs_metaops_rate",
m.tags,
m.meta,
map[string]interface{}{
"value": metaopsRate,
},
timestamp,
); err == nil {
y.AddMeta("unit", "requests/sec")
output <- y
}
}
}
}
// Save last state
m.lastState[filesystem] = GpfsCollectorLastState{
bytesRead: bytesRead,
bytesWritten: bytesWritten,
numOpens: numOpens,
numCloses: numCloses,
numReads: numReads,
numWrites: numWrites,
numReaddirs: numReaddirs,
numInodeUpdates: numInodeUpdates,
bytesTotal: bytesTotal,
iops: iops,
metaops: metaops,
}
}
}
func (m *GpfsCollector) Close() {

View File

@ -18,7 +18,8 @@ hugo_path: docs/reference/cc-metric-collector/collectors/gpfs.md
"fs1"
],
"send_bandwidths": true,
"send_total_values": true
"send_total_values": true,
"send_derived_values": true
}
```
@ -41,10 +42,19 @@ Metrics:
* `gpfs_num_writes`
* `gpfs_num_readdirs`
* `gpfs_num_inode_updates`
* `gpfs_opens_rate` (if `send_derived_values == true`)
* `gpfs_closes_rate` (if `send_derived_values == true`)
* `gpfs_reads_rate` (if `send_derived_values == true`)
* `gpfs_writes_rate` (if `send_derived_values == true`)
* `gpfs_readdirs_rate` (if `send_derived_values == true`)
* `gpfs_inode_updates_rate` (if `send_derived_values == true`)
* `gpfs_bytes_total = gpfs_bytes_read + gpfs_bytes_written` (if `send_total_values == true`)
* `gpfs_iops = gpfs_num_reads + gpfs_num_writes` (if `send_total_values == true`)
* `gpfs_iops_rate` (if `send_total_values == true` and `send_derived_values == true`)
* `gpfs_metaops = gpfs_num_inode_updates + gpfs_num_closes + gpfs_num_opens + gpfs_num_readdirs` (if `send_total_values == true`)
* `gpfs_metaops_rate` (if `send_total_values == true` and `send_derived_values == true`)
* `gpfs_bw_read` (if `send_bandwidths == true`)
* `gpfs_bw_write` (if `send_bandwidths == true`)
* `gpfs_bw_total` (if `send_bandwidths == true` and `send_total_values == true`)
The collector adds a `filesystem` tag to all metrics