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|
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 TestFilterAggregateRowsForIngestRejectsPIDAndTIDFilters(t *testing.T) {
tests := []struct {
name string
filter globalfilter.Filter
}{
{name: "pid", filter: globalfilter.Filter{PID: globalfilter.NewEqFilter(42)}},
{name: "tid", filter: globalfilter.Filter{TID: globalfilter.NewEqFilter(43)}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
el := &eventLoop{
cfg: eventLoopConfig{
aggregateOnlyTraceIDs: map[types.TraceId]struct{}{
types.SYS_ENTER_FUTEX: {},
},
},
}
el.SetFilter(tt.filter)
got := el.filterAggregateRowsForIngest([]statsengine.SyscallAggregate{
{TraceID: types.SYS_ENTER_FUTEX, Count: 2},
})
if len(got) != 0 {
t.Fatalf("expected no aggregate rows with %s filter, got %+v", tt.name, 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])
}
}
|
