vitess.io/vitess@v0.16.2/go/test/stress/results.go (about)

     1  /*
     2  Copyright 2021 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package stress
    18  
    19  type (
    20  	queryCount struct {
    21  		success           int
    22  		failure           int
    23  		meaningfulFailure int
    24  	}
    25  
    26  	// result holds the result for a stress test.
    27  	result struct {
    28  		selects, inserts, deletes queryCount
    29  	}
    30  )
    31  
    32  func (qc queryCount) successQPS(seconds float64) int {
    33  	if seconds <= 0 {
    34  		return 0
    35  	}
    36  	return int(float64(qc.success) / seconds)
    37  }
    38  
    39  func (qc queryCount) failureQPS(seconds float64) int {
    40  	if seconds <= 0 {
    41  		return 0
    42  	}
    43  	return int(float64(qc.failure) / seconds)
    44  }
    45  
    46  func (qc queryCount) meaningfulFailureQPS(seconds float64) int {
    47  	if seconds <= 0 {
    48  		return 0
    49  	}
    50  	return int(float64(qc.meaningfulFailure) / seconds)
    51  }
    52  
    53  func (qc queryCount) totalQPS(seconds float64) int {
    54  	return qc.successQPS(seconds) + qc.failureQPS(seconds)
    55  }
    56  
    57  func (qc queryCount) sum() int {
    58  	return qc.success + qc.failure
    59  }
    60  
    61  func sumQueryCounts(qcs ...queryCount) queryCount {
    62  	var qc queryCount
    63  	for _, qci := range qcs {
    64  		qc.success += qci.success
    65  		qc.failure += qci.failure
    66  		qc.meaningfulFailure += qci.meaningfulFailure
    67  	}
    68  	return qc
    69  }
    70  
    71  func (r result) assert() bool {
    72  	return r.selects.meaningfulFailure == 0 && r.deletes.meaningfulFailure == 0 && r.inserts.meaningfulFailure == 0
    73  }
    74  
    75  // print renders the results held by result.
    76  func (r result) print(log func(format string, args ...any), seconds float64) {
    77  	allQCs := sumQueryCounts(r.selects, r.inserts, r.deletes)
    78  	log(`QPS:
    79  	select: %d | failed: %d (including %d meaningful failures) | sum: %d
    80  	insert: %d | failed: %d (including %d meaningful failures) | sum: %d
    81  	delete: %d | failed: %d (including %d meaningful failures) | sum: %d
    82  	---------
    83  	total:	%d | failed: %d (including %d meaningful failures) | sum: %d
    84  
    85  Queries:
    86  	select: %d | failed: %d (including %d meaningful failures) | sum: %d
    87  	insert: %d | failed: %d (including %d meaningful failures) | sum: %d
    88  	delete: %d | failed: %d (including %d meaningful failures) | sum: %d
    89  	---------
    90  	total:	%d | failed: %d (including %d meaningful failures) | sum: %d
    91  	
    92  `, r.selects.successQPS(seconds), r.selects.failureQPS(seconds), r.selects.meaningfulFailureQPS(seconds), r.selects.totalQPS(seconds),
    93  		r.inserts.successQPS(seconds), r.inserts.failureQPS(seconds), r.inserts.meaningfulFailureQPS(seconds), r.inserts.totalQPS(seconds),
    94  		r.deletes.successQPS(seconds), r.deletes.failureQPS(seconds), r.deletes.meaningfulFailureQPS(seconds), r.deletes.totalQPS(seconds),
    95  		allQCs.successQPS(seconds), allQCs.failureQPS(seconds), allQCs.meaningfulFailureQPS(seconds), allQCs.totalQPS(seconds),
    96  		r.selects.success, r.selects.failure, r.selects.meaningfulFailure, r.selects.sum(),
    97  		r.inserts.success, r.inserts.failure, r.inserts.meaningfulFailure, r.inserts.sum(),
    98  		r.deletes.success, r.deletes.failure, r.deletes.meaningfulFailure, r.deletes.sum(),
    99  		allQCs.success, allQCs.failure, allQCs.meaningfulFailure, allQCs.sum())
   100  }