sqlite/go-sqlite
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Improve profiling support and reporting a bit.

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This commit is contained in:
Jan Mercl
2017-04-25 19:02:48 +02:00
parent b1f34f398b
commit 1b640bcb5a
1 changed files with 30 additions and 10 deletions

40
all_test.go

@ -62,11 +62,13 @@ func init() {
// ============================================================================
var (
// -tags virtual.profile
// Add "-tags virtual.profile" to the command.
profileAll = flag.Bool("profile", false, "")
profileFunctions = flag.Bool("profile_functions", false, "")
profileInstructions = flag.Bool("profile_instructions", false, "")
profileLines = flag.Bool("profile_lines", false, "")
profileRate = flag.Int("profile_rate", 1000, "")
recsPerSec = flag.Bool("recs_per_sec_as_mbps", false, "Show records per second as MB/s.")
)
func tempDB(t testing.TB) (string, *sql.DB) {
@ -209,6 +211,9 @@ func profile(t testing.TB, d time.Duration, w io.Writer, format string, arg ...i
if rate == 0 {
rate = 1
}
if len(vm.ProfileFunctions)+len(vm.ProfileLines)+len(vm.ProfileInstructions) != 0 {
fmt.Fprintf(w, "# %v\n", os.Args[1:])
}
if len(vm.ProfileFunctions) != 0 {
fmt.Fprintf(w, format, arg...)
type u struct {
@ -236,7 +241,10 @@ func profile(t testing.TB, d time.Duration, w io.Writer, format string, arg ...i
return a[i].Name < a[j].Name
})
fmt.Fprintf(w, "---- Profile functions, %.3f MIPS\n", float64(s)/1e6*float64(rate)*float64(time.Second)/float64(d))
fmt.Fprintf(w, "---- Profile functions, %v samples in %v, %.3f MIPS, %v/sample\n", s, d, float64(s)/1e6*float64(rate)*float64(time.Second)/float64(d), time.Duration(float64(d)/float64(s)))
if x, ok := t.(*testing.B); ok {
fmt.Fprintf(w, "\t%v samples/1 [samples/b.N]\n", s/int64(x.N))
}
var c int64
for i := len(a) - 1; i >= 0; i-- {
c += int64(a[i].n)
@ -280,7 +288,10 @@ func profile(t testing.TB, d time.Duration, w io.Writer, format string, arg ...i
return a[i].Line < a[j].Line
})
fmt.Fprintf(w, "---- Profile lines, %.3f MIPS\n", float64(s)/1e6*float64(rate)*float64(time.Second)/float64(d))
fmt.Fprintf(w, "---- Profile lines, %v samples in %v, %.3f MIPS, %v/sample\n", s, d, float64(s)/1e6*float64(rate)*float64(time.Second)/float64(d), time.Duration(float64(d)/float64(s)))
if x, ok := t.(*testing.B); ok {
fmt.Fprintf(w, "\t%v samples/1 [samples/b.N]\n", s/int64(x.N))
}
var c int64
for i := len(a) - 1; i >= 0; i-- {
c += int64(a[i].n)
@ -320,7 +331,10 @@ func profile(t testing.TB, d time.Duration, w io.Writer, format string, arg ...i
return a[i].Opcode < a[j].Opcode
})
fmt.Fprintf(w, "---- Profile instructions, %.3f MIPS\n", float64(s)/1e6*float64(rate)*float64(time.Second)/float64(d))
fmt.Fprintf(w, "---- Profile instructions, %v samples in %v, %.3f MIPS, %v/sample\n", s, d, float64(s)/1e6*float64(rate)*float64(time.Second)/float64(d), time.Duration(float64(d)/float64(s)))
if x, ok := t.(*testing.B); ok {
fmt.Fprintf(w, "\t%v samples/1 [samples/b.N]\n", s/int64(x.N))
}
var c int64
for i := len(a) - 1; i >= 0; i-- {
c += int64(a[i].n)
@ -357,13 +371,13 @@ func BenchmarkInsertMemory(b *testing.B) {
b.Fatal(err)
}
if *profileFunctions {
if *profileAll || *profileFunctions {
vm.ProfileFunctions = map[virtual.PCInfo]int{}
}
if *profileLines {
if *profileAll || *profileLines {
vm.ProfileLines = map[virtual.PCInfo]int{}
}
if *profileInstructions {
if *profileAll || *profileInstructions {
vm.ProfileInstructions = map[virtual.Opcode]int{}
}
vm.ProfileRate = int(*profileRate)
@ -375,6 +389,9 @@ func BenchmarkInsertMemory(b *testing.B) {
}
}
b.StopTimer()
if *recsPerSec {
b.SetBytes(1e6)
}
d := time.Since(t0)
if _, err := db.Exec(`commit;`); err != nil {
b.Fatal(err)
@ -423,13 +440,13 @@ func BenchmarkNextMemory(b *testing.B) {
defer r.Close()
if *profileFunctions {
if *profileAll || *profileFunctions {
vm.ProfileFunctions = map[virtual.PCInfo]int{}
}
if *profileLines {
if *profileAll || *profileLines {
vm.ProfileLines = map[virtual.PCInfo]int{}
}
if *profileInstructions {
if *profileAll || *profileInstructions {
vm.ProfileInstructions = map[virtual.Opcode]int{}
}
vm.ProfileRate = int(*profileRate)
@ -441,6 +458,9 @@ func BenchmarkNextMemory(b *testing.B) {
}
}
b.StopTimer()
if *recsPerSec {
b.SetBytes(1e6)
}
d := time.Since(t0)
profile(b, d, os.Stderr, "==== BenchmarkNextMemory b.N %v\n", b.N)
}