github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/server/status/jemalloc_test.go (about)

     1  // Copyright 2017 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  // +build !stdmalloc
    12  
    13  package status
    14  
    15  import (
    16  	"context"
    17  	"testing"
    18  
    19  	"github.com/cockroachdb/cockroach/pkg/util/leaktest"
    20  )
    21  
    22  func TestJemalloc(t *testing.T) {
    23  	defer leaktest.AfterTest(t)()
    24  
    25  	ctx := context.Background()
    26  	cgoAllocated, _, err := getJemallocStats(ctx)
    27  	if err != nil {
    28  		t.Fatal(err)
    29  	}
    30  	for i := 0; i < 10; i++ {
    31  		allocateMemory()
    32  		cgoAllocatedN, _, err := getJemallocStats(ctx)
    33  		if err != nil {
    34  			t.Fatal(err)
    35  		}
    36  		if cgoAllocatedN == cgoAllocated {
    37  			t.Errorf("allocated stat not incremented on allocation: %d", cgoAllocated)
    38  		}
    39  		cgoAllocated = cgoAllocatedN
    40  	}
    41  }