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|
package benchutil
import (
"syscall"
"testing"
"ior/internal/types"
)
func TestEventGeneratorEventMethodsRoundTrip(t *testing.T) {
gen := NewEventGenerator()
const (
time uint64 = 1000
pid uint32 = 42
tid uint32 = 84
)
t.Run("EnterOpenEvent", func(t *testing.T) {
want, raw, err := gen.EnterOpenEvent(time, pid, tid)
requireNoError(t, err)
got := types.NewOpenEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterOpenEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("ExitOpenEvent", func(t *testing.T) {
want, raw, err := gen.ExitOpenEvent(time, pid, tid)
requireNoError(t, err)
got := types.NewRetEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("ExitOpenEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("EnterFdEvent", func(t *testing.T) {
want, raw, err := gen.EnterFdEvent(time, pid, tid, 11, types.SYS_ENTER_READ)
requireNoError(t, err)
got := types.NewFdEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterFdEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("ExitFdEvent", func(t *testing.T) {
want, raw, err := gen.ExitFdEvent(time, pid, tid, 11, types.SYS_EXIT_CLOSE)
requireNoError(t, err)
got := types.NewFdEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("ExitFdEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("EnterNullEvent", func(t *testing.T) {
want, raw, err := gen.EnterNullEvent(time, pid, tid, types.SYS_ENTER_SYNC)
requireNoError(t, err)
got := types.NewNullEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterNullEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("ExitNullEvent", func(t *testing.T) {
want, raw, err := gen.ExitNullEvent(time, pid, tid, types.SYS_EXIT_SYNC)
requireNoError(t, err)
got := types.NewNullEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("ExitNullEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("ExitRetEvent", func(t *testing.T) {
want, raw, err := gen.ExitRetEvent(time, pid, tid, types.SYS_EXIT_READ, 256)
requireNoError(t, err)
got := types.NewRetEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("ExitRetEvent mismatch: want=%v got=%v", want, got)
}
if got.RetType != types.READ_CLASSIFIED {
t.Fatalf("ExitRetEvent RetType = %d, want %d", got.RetType, types.READ_CLASSIFIED)
}
})
t.Run("EnterPathEvent", func(t *testing.T) {
want, raw, err := gen.EnterPathEvent(time, pid, tid, "/tmp/path", types.SYS_ENTER_MKDIR)
requireNoError(t, err)
got := types.NewPathEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterPathEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("EnterNameEvent", func(t *testing.T) {
want, raw, err := gen.EnterNameEvent(time, pid, tid, "/tmp/old", "/tmp/new", types.SYS_ENTER_RENAME)
requireNoError(t, err)
got := types.NewNameEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterNameEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("EnterFcntlEvent", func(t *testing.T) {
want, raw, err := gen.EnterFcntlEvent(time, pid, tid, 33, syscall.F_SETFL, syscall.O_NONBLOCK)
requireNoError(t, err)
got := types.NewFcntlEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterFcntlEvent mismatch: want=%v got=%v", want, got)
}
})
t.Run("EnterDup3Event", func(t *testing.T) {
want, raw, err := gen.EnterDup3Event(time, pid, tid, 44, syscall.O_CLOEXEC)
requireNoError(t, err)
got := types.NewDup3Event(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterDup3Event mismatch: want=%v got=%v", want, got)
}
})
t.Run("EnterOpenByHandleAtEvent", func(t *testing.T) {
want, raw, err := gen.EnterOpenByHandleAtEvent(time, pid, tid, syscall.O_RDONLY)
requireNoError(t, err)
got := types.NewOpenByHandleAtEvent(raw)
defer got.Recycle()
if !want.Equals(got) {
t.Fatalf("EnterOpenByHandleAtEvent mismatch: want=%v got=%v", want, got)
}
})
}
func TestEventGeneratorPairMethods(t *testing.T) {
gen := NewEventGenerator()
const (
start uint64 = 5000
pid uint32 = 77
tid uint32 = 88
)
t.Run("OpenPair", func(t *testing.T) {
enterRaw, exitRaw, err := gen.OpenPair(start, pid, tid)
requireNoError(t, err)
enter := types.NewOpenEvent(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
assertPairTimingAndIdentity(t, start, pid, tid, enter.Time, enter.Pid, enter.Tid, exit.Time, exit.Pid, exit.Tid, gen.pairDelta())
if enter.TraceId != types.SYS_ENTER_OPENAT || exit.TraceId != types.SYS_EXIT_OPENAT {
t.Fatalf("OpenPair trace IDs mismatch: enter=%v exit=%v", enter.TraceId, exit.TraceId)
}
})
t.Run("FdPair", func(t *testing.T) {
enterRaw, exitRaw, err := gen.FdPair(start, pid, tid, 9, types.SYS_ENTER_READ, types.SYS_EXIT_READ, 128)
requireNoError(t, err)
enter := types.NewFdEvent(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
assertPairTimingAndIdentity(t, start, pid, tid, enter.Time, enter.Pid, enter.Tid, exit.Time, exit.Pid, exit.Tid, gen.pairDelta())
if enter.TraceId != types.SYS_ENTER_READ || exit.TraceId != types.SYS_EXIT_READ {
t.Fatalf("FdPair trace IDs mismatch: enter=%v exit=%v", enter.TraceId, exit.TraceId)
}
if exit.Ret != 128 {
t.Fatalf("FdPair ret = %d, want %d", exit.Ret, 128)
}
})
t.Run("NullPair", func(t *testing.T) {
enterRaw, exitRaw, err := gen.NullPair(start, pid, tid, types.SYS_ENTER_SYNC, types.SYS_EXIT_SYNC)
requireNoError(t, err)
enter := types.NewNullEvent(enterRaw)
defer enter.Recycle()
exit := types.NewNullEvent(exitRaw)
defer exit.Recycle()
assertPairTimingAndIdentity(t, start, pid, tid, enter.Time, enter.Pid, enter.Tid, exit.Time, exit.Pid, exit.Tid, gen.pairDelta())
if enter.TraceId != types.SYS_ENTER_SYNC || exit.TraceId != types.SYS_EXIT_SYNC {
t.Fatalf("NullPair trace IDs mismatch: enter=%v exit=%v", enter.TraceId, exit.TraceId)
}
})
t.Run("PathPair", func(t *testing.T) {
enterRaw, exitRaw, err := gen.PathPair(start, pid, tid, "/tmp/p", types.SYS_ENTER_MKDIR, types.SYS_EXIT_MKDIR, 0)
requireNoError(t, err)
enter := types.NewPathEvent(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
assertPairTimingAndIdentity(t, start, pid, tid, enter.Time, enter.Pid, enter.Tid, exit.Time, exit.Pid, exit.Tid, gen.pairDelta())
if enter.TraceId != types.SYS_ENTER_MKDIR || exit.TraceId != types.SYS_EXIT_MKDIR {
t.Fatalf("PathPair trace IDs mismatch: enter=%v exit=%v", enter.TraceId, exit.TraceId)
}
})
t.Run("NamePair", func(t *testing.T) {
enterRaw, exitRaw, err := gen.NamePair(start, pid, tid, "old", "new", types.SYS_ENTER_RENAME, types.SYS_EXIT_RENAME, 0)
requireNoError(t, err)
enter := types.NewNameEvent(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
assertPairTimingAndIdentity(t, start, pid, tid, enter.Time, enter.Pid, enter.Tid, exit.Time, exit.Pid, exit.Tid, gen.pairDelta())
if enter.TraceId != types.SYS_ENTER_RENAME || exit.TraceId != types.SYS_EXIT_RENAME {
t.Fatalf("NamePair trace IDs mismatch: enter=%v exit=%v", enter.TraceId, exit.TraceId)
}
})
t.Run("FcntlPair", func(t *testing.T) {
enterRaw, exitRaw, err := gen.FcntlPair(start, pid, tid, 5, syscall.F_SETFL, syscall.O_NONBLOCK, types.SYS_EXIT_FCNTL, 0)
requireNoError(t, err)
enter := types.NewFcntlEvent(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
assertPairTimingAndIdentity(t, start, pid, tid, enter.Time, enter.Pid, enter.Tid, exit.Time, exit.Pid, exit.Tid, gen.pairDelta())
if enter.TraceId != types.SYS_ENTER_FCNTL || exit.TraceId != types.SYS_EXIT_FCNTL {
t.Fatalf("FcntlPair trace IDs mismatch: enter=%v exit=%v", enter.TraceId, exit.TraceId)
}
})
t.Run("Dup3Pair", func(t *testing.T) {
enterRaw, exitRaw, err := gen.Dup3Pair(start, pid, tid, 8, syscall.O_CLOEXEC, types.SYS_EXIT_DUP3, 9)
requireNoError(t, err)
enter := types.NewDup3Event(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
assertPairTimingAndIdentity(t, start, pid, tid, enter.Time, enter.Pid, enter.Tid, exit.Time, exit.Pid, exit.Tid, gen.pairDelta())
if enter.TraceId != types.SYS_ENTER_DUP3 || exit.TraceId != types.SYS_EXIT_DUP3 {
t.Fatalf("Dup3Pair trace IDs mismatch: enter=%v exit=%v", enter.TraceId, exit.TraceId)
}
})
}
func TestEventGeneratorPairDeltaDefaultAndCustom(t *testing.T) {
const (
start uint64 = 10
pid uint32 = 1
tid uint32 = 2
)
t.Run("default", func(t *testing.T) {
gen := EventGenerator{}
enterRaw, exitRaw, err := gen.OpenPair(start, pid, tid)
requireNoError(t, err)
enter := types.NewOpenEvent(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
if got, want := exit.Time-enter.Time, uint64(defaultPairDelta); got != want {
t.Fatalf("default pair delta = %d, want %d", got, want)
}
})
t.Run("custom", func(t *testing.T) {
const customDelta uint64 = 7
gen := EventGenerator{PairDelta: customDelta}
enterRaw, exitRaw, err := gen.OpenPair(start, pid, tid)
requireNoError(t, err)
enter := types.NewOpenEvent(enterRaw)
defer enter.Recycle()
exit := types.NewRetEvent(exitRaw)
defer exit.Recycle()
if got := exit.Time - enter.Time; got != customDelta {
t.Fatalf("custom pair delta = %d, want %d", got, customDelta)
}
})
}
func assertPairTimingAndIdentity(t *testing.T, start uint64, pid, tid uint32, enterTime uint64, enterPid, enterTid uint32, exitTime uint64, exitPid, exitTid uint32, delta uint64) {
t.Helper()
if enterTime != start {
t.Fatalf("enter time = %d, want %d", enterTime, start)
}
if enterPid != pid || enterTid != tid {
t.Fatalf("enter identity mismatch: pid/tid = %d/%d, want %d/%d", enterPid, enterTid, pid, tid)
}
if exitTime != start+delta {
t.Fatalf("exit time = %d, want %d", exitTime, start+delta)
}
if exitPid != pid || exitTid != tid {
t.Fatalf("exit identity mismatch: pid/tid = %d/%d, want %d/%d", exitPid, exitTid, pid, tid)
}
}
func requireNoError(t *testing.T, err error) {
t.Helper()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
}
|
