69
70 /**
71 * Checks if a column with a given name exists
72 *
73 * @param name - name of the column
74 * @return true if the column exist, false otherwise
75 */
76 public boolean valueExists(String name) {
77 return new StringOfValues(getStdoutLine(0)).getIndex(name) != -1;
78 }
79
80 /**
81 * Helper function to assert the increase of the GC events between 2
82 * measurements
83 *
84 * @param measurement1 -first measurement
85 * @param measurement2 -first measurement
86 */
87 public static void assertGCEventsIncreased(JstatResults measurement1, JstatResults measurement2) {
88 assertThat(measurement2.getFloatValue("YGC") > measurement1.getFloatValue("YGC"), "YGC didn't increase between measurements 1 and 2");
89 assertThat(measurement2.getFloatValue("FGC") > measurement1.getFloatValue("FGC"), "FGC didn't increase between measurements 2 and 3");
90 }
91
92 /**
93 * Helper function to assert the increase of the GC time between 2
94 * measurements
95 *
96 * @param measurement1 -first measurement
97 * @param measurement2 -first measurement
98 */
99 public static void assertGCTimeIncreased(JstatResults measurement1, JstatResults measurement2) {
100 assertThat(measurement2.getFloatValue("YGCT") > measurement1.getFloatValue("YGCT"), "YGCT time didn't increase between measurements 1 and 2");
101 assertThat(measurement2.getFloatValue("FGCT") > measurement1.getFloatValue("FGCT"), "FGCT time didn't increase between measurements 1 and 2");
102 assertThat(measurement2.getFloatValue("GCT") > measurement1.getFloatValue("GCT"), "GCT time didn't increase between measurements 1 and 2");
103 }
104
105 /**
106 * Helper function to assert the utilization of the space
107 *
108 * @param measurement - measurement results to analyze
109 * @param targetMemoryUsagePercent -assert that not less than this amount of
110 * space has been utilized
111 */
112 public static void assertSpaceUtilization(JstatResults measurement, float targetMemoryUsagePercent) {
113
114 if (measurement.valueExists("OU")) {
115 float OC = measurement.getFloatValue("OC");
116 float OU = measurement.getFloatValue("OU");
117 assertThat((OU / OC) > targetMemoryUsagePercent, "Old space utilization should be > "
118 + (targetMemoryUsagePercent * 100) + "%, actually OU / OC = " + (OU / OC));
119 }
120
121 if (measurement.valueExists("MU")) {
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69
70 /**
71 * Checks if a column with a given name exists
72 *
73 * @param name - name of the column
74 * @return true if the column exist, false otherwise
75 */
76 public boolean valueExists(String name) {
77 return new StringOfValues(getStdoutLine(0)).getIndex(name) != -1;
78 }
79
80 /**
81 * Helper function to assert the increase of the GC events between 2
82 * measurements
83 *
84 * @param measurement1 -first measurement
85 * @param measurement2 -first measurement
86 */
87 public static void assertGCEventsIncreased(JstatResults measurement1, JstatResults measurement2) {
88 assertThat(measurement2.getFloatValue("YGC") > measurement1.getFloatValue("YGC"), "YGC didn't increase between measurements 1 and 2");
89 boolean increasedFGC =
90 measurement2.getFloatValue("FGC") > measurement1.getFloatValue("FGC");
91 boolean increasedCGC =
92 measurement2.getFloatValue("CGC") > measurement1.getFloatValue("CGC");
93 assertThat(increasedFGC || increasedCGC, "FGC or CGC didn't increase between measurements 2 and 3");
94 }
95
96 /**
97 * Helper function to assert the increase of the GC time between 2
98 * measurements
99 *
100 * @param measurement1 -first measurement
101 * @param measurement2 -first measurement
102 */
103 public static void assertGCTimeIncreased(JstatResults measurement1, JstatResults measurement2) {
104 assertThat(measurement2.getFloatValue("YGCT") > measurement1.getFloatValue("YGCT"), "YGCT time didn't increase between measurements 1 and 2");
105 boolean increasedFGCT =
106 measurement2.getFloatValue("FGCT") > measurement1.getFloatValue("FGCT");
107 boolean increasedCGCT =
108 measurement2.getFloatValue("CGCT") > measurement1.getFloatValue("CGCT");
109 assertThat(increasedFGCT || increasedCGCT, "FGCT or CGCT didn't increase between measurements 2 and 3");
110 assertThat(measurement2.getFloatValue("GCT") > measurement1.getFloatValue("GCT"), "GCT time didn't increase between measurements 1 and 2");
111 }
112
113 /**
114 * Helper function to assert the utilization of the space
115 *
116 * @param measurement - measurement results to analyze
117 * @param targetMemoryUsagePercent -assert that not less than this amount of
118 * space has been utilized
119 */
120 public static void assertSpaceUtilization(JstatResults measurement, float targetMemoryUsagePercent) {
121
122 if (measurement.valueExists("OU")) {
123 float OC = measurement.getFloatValue("OC");
124 float OU = measurement.getFloatValue("OU");
125 assertThat((OU / OC) > targetMemoryUsagePercent, "Old space utilization should be > "
126 + (targetMemoryUsagePercent * 100) + "%, actually OU / OC = " + (OU / OC));
127 }
128
129 if (measurement.valueExists("MU")) {
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