316 lines
9.3 KiB
Go
316 lines
9.3 KiB
Go
// +build linux
|
|
|
|
package system
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/influxdata/telegraf/testutil"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestFullVmStatProcFile(t *testing.T) {
|
|
tmpfile := makeFakeStatFile([]byte(vmStatFile_Full))
|
|
defer os.Remove(tmpfile)
|
|
|
|
k := KernelVmstat{
|
|
statFile: tmpfile,
|
|
}
|
|
|
|
acc := testutil.Accumulator{}
|
|
err := k.Gather(&acc)
|
|
assert.NoError(t, err)
|
|
|
|
fields := map[string]interface{}{
|
|
"nr_free_pages": int64(78730),
|
|
"nr_inactive_anon": int64(426259),
|
|
"nr_active_anon": int64(2515657),
|
|
"nr_inactive_file": int64(2366791),
|
|
"nr_active_file": int64(2244914),
|
|
"nr_unevictable": int64(0),
|
|
"nr_mlock": int64(0),
|
|
"nr_anon_pages": int64(1358675),
|
|
"nr_mapped": int64(558821),
|
|
"nr_file_pages": int64(5153546),
|
|
"nr_dirty": int64(5690),
|
|
"nr_writeback": int64(0),
|
|
"nr_slab_reclaimable": int64(459806),
|
|
"nr_slab_unreclaimable": int64(47859),
|
|
"nr_page_table_pages": int64(11115),
|
|
"nr_kernel_stack": int64(579),
|
|
"nr_unstable": int64(0),
|
|
"nr_bounce": int64(0),
|
|
"nr_vmscan_write": int64(6206),
|
|
"nr_writeback_temp": int64(0),
|
|
"nr_isolated_anon": int64(0),
|
|
"nr_isolated_file": int64(0),
|
|
"nr_shmem": int64(541689),
|
|
"numa_hit": int64(5113399878),
|
|
"numa_miss": int64(0),
|
|
"numa_foreign": int64(0),
|
|
"numa_interleave": int64(35793),
|
|
"numa_local": int64(5113399878),
|
|
"numa_other": int64(0),
|
|
"nr_anon_transparent_hugepages": int64(2034),
|
|
"pgpgin": int64(219717626),
|
|
"pgpgout": int64(3495885510),
|
|
"pswpin": int64(2092),
|
|
"pswpout": int64(6206),
|
|
"pgalloc_dma": int64(0),
|
|
"pgalloc_dma32": int64(122480220),
|
|
"pgalloc_normal": int64(5233176719),
|
|
"pgalloc_movable": int64(0),
|
|
"pgfree": int64(5359765021),
|
|
"pgactivate": int64(375664931),
|
|
"pgdeactivate": int64(122735906),
|
|
"pgfault": int64(8699921410),
|
|
"pgmajfault": int64(122210),
|
|
"pgrefill_dma": int64(0),
|
|
"pgrefill_dma32": int64(1180010),
|
|
"pgrefill_normal": int64(119866676),
|
|
"pgrefill_movable": int64(0),
|
|
"pgsteal_dma": int64(0),
|
|
"pgsteal_dma32": int64(4466436),
|
|
"pgsteal_normal": int64(318463755),
|
|
"pgsteal_movable": int64(0),
|
|
"pgscan_kswapd_dma": int64(0),
|
|
"pgscan_kswapd_dma32": int64(4480608),
|
|
"pgscan_kswapd_normal": int64(287857984),
|
|
"pgscan_kswapd_movable": int64(0),
|
|
"pgscan_direct_dma": int64(0),
|
|
"pgscan_direct_dma32": int64(12256),
|
|
"pgscan_direct_normal": int64(31501600),
|
|
"pgscan_direct_movable": int64(0),
|
|
"zone_reclaim_failed": int64(0),
|
|
"pginodesteal": int64(9188431),
|
|
"slabs_scanned": int64(93775616),
|
|
"kswapd_steal": int64(291534428),
|
|
"kswapd_inodesteal": int64(29770874),
|
|
"kswapd_low_wmark_hit_quickly": int64(8756),
|
|
"kswapd_high_wmark_hit_quickly": int64(25439),
|
|
"kswapd_skip_congestion_wait": int64(0),
|
|
"pageoutrun": int64(505006),
|
|
"allocstall": int64(81496),
|
|
"pgrotated": int64(60620),
|
|
"compact_blocks_moved": int64(238196),
|
|
"compact_pages_moved": int64(6370588),
|
|
"compact_pagemigrate_failed": int64(0),
|
|
"compact_stall": int64(142092),
|
|
"compact_fail": int64(135220),
|
|
"compact_success": int64(6872),
|
|
"htlb_buddy_alloc_success": int64(0),
|
|
"htlb_buddy_alloc_fail": int64(0),
|
|
"unevictable_pgs_culled": int64(1531),
|
|
"unevictable_pgs_scanned": int64(0),
|
|
"unevictable_pgs_rescued": int64(5426),
|
|
"unevictable_pgs_mlocked": int64(6988),
|
|
"unevictable_pgs_munlocked": int64(6988),
|
|
"unevictable_pgs_cleared": int64(0),
|
|
"unevictable_pgs_stranded": int64(0),
|
|
"unevictable_pgs_mlockfreed": int64(0),
|
|
"thp_fault_alloc": int64(346219),
|
|
"thp_fault_fallback": int64(895453),
|
|
"thp_collapse_alloc": int64(24857),
|
|
"thp_collapse_alloc_failed": int64(102214),
|
|
"thp_split": int64(9817),
|
|
}
|
|
acc.AssertContainsFields(t, "kernel_vmstat", fields)
|
|
}
|
|
|
|
func TestPartialVmStatProcFile(t *testing.T) {
|
|
tmpfile := makeFakeStatFile([]byte(vmStatFile_Partial))
|
|
defer os.Remove(tmpfile)
|
|
|
|
k := KernelVmstat{
|
|
statFile: tmpfile,
|
|
}
|
|
|
|
acc := testutil.Accumulator{}
|
|
err := k.Gather(&acc)
|
|
assert.NoError(t, err)
|
|
|
|
fields := map[string]interface{}{
|
|
"unevictable_pgs_culled": int64(1531),
|
|
"unevictable_pgs_scanned": int64(0),
|
|
"unevictable_pgs_rescued": int64(5426),
|
|
"unevictable_pgs_mlocked": int64(6988),
|
|
"unevictable_pgs_munlocked": int64(6988),
|
|
"unevictable_pgs_cleared": int64(0),
|
|
"unevictable_pgs_stranded": int64(0),
|
|
"unevictable_pgs_mlockfreed": int64(0),
|
|
"thp_fault_alloc": int64(346219),
|
|
"thp_fault_fallback": int64(895453),
|
|
"thp_collapse_alloc": int64(24857),
|
|
"thp_collapse_alloc_failed": int64(102214),
|
|
"thp_split": int64(9817),
|
|
}
|
|
acc.AssertContainsFields(t, "kernel_vmstat", fields)
|
|
}
|
|
|
|
func TestInvalidVmStatProcFile1(t *testing.T) {
|
|
tmpfile := makeFakeStatFile([]byte(vmStatFile_Invalid))
|
|
defer os.Remove(tmpfile)
|
|
|
|
k := KernelVmstat{
|
|
statFile: tmpfile,
|
|
}
|
|
|
|
acc := testutil.Accumulator{}
|
|
err := k.Gather(&acc)
|
|
assert.Error(t, err)
|
|
}
|
|
|
|
func TestNoVmStatProcFile(t *testing.T) {
|
|
tmpfile := makeFakeStatFile([]byte(vmStatFile_Invalid))
|
|
os.Remove(tmpfile)
|
|
|
|
k := KernelVmstat{
|
|
statFile: tmpfile,
|
|
}
|
|
|
|
acc := testutil.Accumulator{}
|
|
err := k.Gather(&acc)
|
|
assert.Error(t, err)
|
|
assert.Contains(t, err.Error(), "does not exist")
|
|
}
|
|
|
|
const vmStatFile_Full = `nr_free_pages 78730
|
|
nr_inactive_anon 426259
|
|
nr_active_anon 2515657
|
|
nr_inactive_file 2366791
|
|
nr_active_file 2244914
|
|
nr_unevictable 0
|
|
nr_mlock 0
|
|
nr_anon_pages 1358675
|
|
nr_mapped 558821
|
|
nr_file_pages 5153546
|
|
nr_dirty 5690
|
|
nr_writeback 0
|
|
nr_slab_reclaimable 459806
|
|
nr_slab_unreclaimable 47859
|
|
nr_page_table_pages 11115
|
|
nr_kernel_stack 579
|
|
nr_unstable 0
|
|
nr_bounce 0
|
|
nr_vmscan_write 6206
|
|
nr_writeback_temp 0
|
|
nr_isolated_anon 0
|
|
nr_isolated_file 0
|
|
nr_shmem 541689
|
|
numa_hit 5113399878
|
|
numa_miss 0
|
|
numa_foreign 0
|
|
numa_interleave 35793
|
|
numa_local 5113399878
|
|
numa_other 0
|
|
nr_anon_transparent_hugepages 2034
|
|
pgpgin 219717626
|
|
pgpgout 3495885510
|
|
pswpin 2092
|
|
pswpout 6206
|
|
pgalloc_dma 0
|
|
pgalloc_dma32 122480220
|
|
pgalloc_normal 5233176719
|
|
pgalloc_movable 0
|
|
pgfree 5359765021
|
|
pgactivate 375664931
|
|
pgdeactivate 122735906
|
|
pgfault 8699921410
|
|
pgmajfault 122210
|
|
pgrefill_dma 0
|
|
pgrefill_dma32 1180010
|
|
pgrefill_normal 119866676
|
|
pgrefill_movable 0
|
|
pgsteal_dma 0
|
|
pgsteal_dma32 4466436
|
|
pgsteal_normal 318463755
|
|
pgsteal_movable 0
|
|
pgscan_kswapd_dma 0
|
|
pgscan_kswapd_dma32 4480608
|
|
pgscan_kswapd_normal 287857984
|
|
pgscan_kswapd_movable 0
|
|
pgscan_direct_dma 0
|
|
pgscan_direct_dma32 12256
|
|
pgscan_direct_normal 31501600
|
|
pgscan_direct_movable 0
|
|
zone_reclaim_failed 0
|
|
pginodesteal 9188431
|
|
slabs_scanned 93775616
|
|
kswapd_steal 291534428
|
|
kswapd_inodesteal 29770874
|
|
kswapd_low_wmark_hit_quickly 8756
|
|
kswapd_high_wmark_hit_quickly 25439
|
|
kswapd_skip_congestion_wait 0
|
|
pageoutrun 505006
|
|
allocstall 81496
|
|
pgrotated 60620
|
|
compact_blocks_moved 238196
|
|
compact_pages_moved 6370588
|
|
compact_pagemigrate_failed 0
|
|
compact_stall 142092
|
|
compact_fail 135220
|
|
compact_success 6872
|
|
htlb_buddy_alloc_success 0
|
|
htlb_buddy_alloc_fail 0
|
|
unevictable_pgs_culled 1531
|
|
unevictable_pgs_scanned 0
|
|
unevictable_pgs_rescued 5426
|
|
unevictable_pgs_mlocked 6988
|
|
unevictable_pgs_munlocked 6988
|
|
unevictable_pgs_cleared 0
|
|
unevictable_pgs_stranded 0
|
|
unevictable_pgs_mlockfreed 0
|
|
thp_fault_alloc 346219
|
|
thp_fault_fallback 895453
|
|
thp_collapse_alloc 24857
|
|
thp_collapse_alloc_failed 102214
|
|
thp_split 9817`
|
|
|
|
const vmStatFile_Partial = `unevictable_pgs_culled 1531
|
|
unevictable_pgs_scanned 0
|
|
unevictable_pgs_rescued 5426
|
|
unevictable_pgs_mlocked 6988
|
|
unevictable_pgs_munlocked 6988
|
|
unevictable_pgs_cleared 0
|
|
unevictable_pgs_stranded 0
|
|
unevictable_pgs_mlockfreed 0
|
|
thp_fault_alloc 346219
|
|
thp_fault_fallback 895453
|
|
thp_collapse_alloc 24857
|
|
thp_collapse_alloc_failed 102214
|
|
thp_split 9817`
|
|
|
|
// invalid thp_split measurement
|
|
const vmStatFile_Invalid = `unevictable_pgs_culled 1531
|
|
unevictable_pgs_scanned 0
|
|
unevictable_pgs_rescued 5426
|
|
unevictable_pgs_mlocked 6988
|
|
unevictable_pgs_munlocked 6988
|
|
unevictable_pgs_cleared 0
|
|
unevictable_pgs_stranded 0
|
|
unevictable_pgs_mlockfreed 0
|
|
thp_fault_alloc 346219
|
|
thp_fault_fallback 895453
|
|
thp_collapse_alloc 24857
|
|
thp_collapse_alloc_failed 102214
|
|
thp_split abcd`
|
|
|
|
func makeFakeVmStatFile(content []byte) string {
|
|
tmpfile, err := ioutil.TempFile("", "kernel_vmstat_test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if _, err := tmpfile.Write(content); err != nil {
|
|
panic(err)
|
|
}
|
|
if err := tmpfile.Close(); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
return tmpfile.Name()
|
|
}
|