Changeset fe97de26 for benchmark/readyQ/bench.go

Timestamp:

Dec 22, 2020, 9:16:13 AM (3 years ago)

Author:

caparsons <caparson@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

797a193

Parents:

0285efe (diff), 3f8baf4 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc

File:

• benchmark/readyQ/bench.go (modified) (3 diffs)

benchmark/readyQ/bench.go

@@ -5 +5 @@
         "flag"
         "fmt"
+        "log"
         "os"
         "runtime"
+        "runtime/pprof"
         "sync/atomic"
         "time"
@@ -43 +45 @@
 }
 
-func bench_init() {
+func bench_init() func() {
         nprocsOpt := flag.Int("p", 1, "The number of processors")
         nthreadsOpt := flag.Int("t", 1, "The number of threads")
         durationOpt := flag.Float64("d", 0, "Duration of the experiment in seconds")
         stopOpt := flag.Uint64("i", 0, "Duration of the experiment in iterations")
+        cpuprofile := flag.String("cpuprofile", "", "write cpu profile to file")
 
         flag.Parse()
@@ -72 +75 @@
 
         runtime.GOMAXPROCS(nprocs)
+
+        if (*cpuprofile) != "" {
+                f, err := os.Create(*cpuprofile)
+                if err != nil {
+                    log.Fatal(err)
+                }
+                pprof.StartCPUProfile(f)
+        }
+
+        return func() {
+                if (*cpuprofile) != "" {
+                        pprof.StopCPUProfile()
+                }
+        }
 }