1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
package internal
import (
"context"
"sync"
"testing"
"time"
"ior/internal/globalfilter"
"ior/internal/statsengine"
"ior/internal/types"
)
type aggregateSourceStub struct {
mu sync.Mutex
rows [][]statsengine.SyscallAggregate
}
func (s *aggregateSourceStub) Drain() ([]statsengine.SyscallAggregate, error) {
s.mu.Lock()
defer s.mu.Unlock()
if len(s.rows) == 0 {
return nil, nil
}
next := s.rows[0]
s.rows = s.rows[1:]
return next, nil
}
type aggregateSinkStub struct {
mu sync.Mutex
rows []statsengine.SyscallAggregate
}
func (s *aggregateSinkStub) IngestSyscallAggregates(rows []statsengine.SyscallAggregate) {
s.mu.Lock()
defer s.mu.Unlock()
s.rows = append(s.rows, rows...)
}
func TestFilterAggregateRowsForIngestAggregateOnlyTraceIDs(t *testing.T) {
el := &eventLoop{
cfg: eventLoopConfig{
aggregateOnlyTraceIDs: map[types.TraceId]struct{}{
types.SYS_ENTER_FUTEX: {},
},
},
}
el.SetFilter(globalfilter.Filter{})
in := []statsengine.SyscallAggregate{
{TraceID: types.SYS_ENTER_FUTEX, Count: 2},
{TraceID: types.SYS_ENTER_CLOCK_GETTIME, Count: 5},
}
got := el.filterAggregateRowsForIngest(in)
if len(got) != 1 {
t.Fatalf("filtered rows len = %d, want 1", len(got))
}
if got[0].TraceID != types.SYS_ENTER_FUTEX {
t.Fatalf("filtered trace id = %v, want %v", got[0].TraceID, types.SYS_ENTER_FUTEX)
}
}
func TestFilterAggregateRowsForIngestGatesWhenUnsupportedFilterActive(t *testing.T) {
el := &eventLoop{
cfg: eventLoopConfig{
aggregateOnlyTraceIDs: map[types.TraceId]struct{}{
types.SYS_ENTER_FUTEX: {},
},
},
}
el.SetFilter(globalfilter.Filter{
Comm: &globalfilter.StringFilter{Pattern: "ioworkload"},
})
got := el.filterAggregateRowsForIngest([]statsengine.SyscallAggregate{
{TraceID: types.SYS_ENTER_FUTEX, Count: 2},
})
if len(got) != 0 {
t.Fatalf("expected no rows when comm filter is active, got %+v", got)
}
}
func TestFilterAggregateRowsForIngestAllowsKernelEqPIDFilter(t *testing.T) {
el := &eventLoop{
cfg: eventLoopConfig{
aggregateOnlyTraceIDs: map[types.TraceId]struct{}{
types.SYS_ENTER_FUTEX: {},
},
},
}
el.SetFilter(globalfilter.Filter{
PID: globalfilter.NewEqFilter(42),
})
got := el.filterAggregateRowsForIngest([]statsengine.SyscallAggregate{
{TraceID: types.SYS_ENTER_FUTEX, Count: 2},
})
if len(got) != 1 {
t.Fatalf("expected row with PID eq filter, got %+v", got)
}
}
func TestStartAggregateDrainLoopFinalFlushesOnStop(t *testing.T) {
src := &aggregateSourceStub{
rows: [][]statsengine.SyscallAggregate{
{{TraceID: types.SYS_ENTER_FUTEX, Count: 2}},
},
}
sink := &aggregateSinkStub{}
el := &eventLoop{
cfg: eventLoopConfig{
aggregateDrainEvery: 5 * time.Second,
aggregateOnlyTraceIDs: map[types.TraceId]struct{}{
types.SYS_ENTER_FUTEX: {},
},
},
aggregateSrc: src,
aggregateSink: sink,
}
el.SetFilter(globalfilter.Filter{})
ctx, cancel := context.WithCancel(context.Background())
stop := el.startAggregateDrainLoop(ctx)
time.Sleep(2 * time.Millisecond)
cancel()
stop()
sink.mu.Lock()
defer sink.mu.Unlock()
if len(sink.rows) != 1 {
t.Fatalf("final flush rows len = %d, want 1", len(sink.rows))
}
if sink.rows[0].TraceID != types.SYS_ENTER_FUTEX || sink.rows[0].Count != 2 {
t.Fatalf("final flush row = %+v, want futex count=2", sink.rows[0])
}
}
|
