ceph/src/test/perf_counters.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2011 New Dream Network
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14 #include "include/int_types.h"
  15 #include "include/types.h" // FIXME: ordering shouldn't be important, but right
  16                            // now, this include has to come before the others.
  17
  18
  19 #include "common/perf_counters_collection.h"
  20 #include "common/admin_socket_client.h"
  21 #include "common/ceph_context.h"
  22 #include "common/config.h"
  23 #include "common/errno.h"
  24 #include "common/safe_io.h"
  25
  26 #include "common/code_environment.h"
  27 #include "global/global_context.h"
  28 #include "global/global_init.h"
  29 #include "include/msgr.h" // for CEPH_ENTITY_TYPE_CLIENT
  30 #include "gtest/gtest.h"
  31
  32 #include <errno.h>
  33 #include <fcntl.h>
  34 #include <map>
  35 #include <poll.h>
  36 #include <sstream>
  37 #include <stdint.h>
  38 #include <string.h>
  39 #include <string>
  40 #include <sys/socket.h>
  41 #include <sys/types.h>
  42 #include <sys/un.h>
  43 #include <time.h>
  44 #include <unistd.h>
  45 #include <thread>
  46
  47 #include "common/common_init.h"
  48
  49 int main(int argc, char **argv) {
  50   map<string,string> defaults = {
  51     { "admin_socket", get_rand_socket_path() }
  52   };
  53   std::vector<const char*> args;
  54   auto cct = global_init(&defaults, args, CEPH_ENTITY_TYPE_CLIENT,
  55                          CODE_ENVIRONMENT_UTILITY,
  56                          CINIT_FLAG_NO_DEFAULT_CONFIG_FILE|
  57                          CINIT_FLAG_NO_CCT_PERF_COUNTERS);
  58   common_init_finish(g_ceph_context);
  59   ::testing::InitGoogleTest(&argc, argv);
  60   return RUN_ALL_TESTS();
  61 }
  62
  63 TEST(PerfCounters, SimpleTest) {
  64   AdminSocketClient client(get_rand_socket_path());
  65   std::string message;
  66   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\" }", &message));
  67   ASSERT_EQ("{}\n", message);
  68 }
  69
  70 enum {
  71   TEST_PERFCOUNTERS1_ELEMENT_FIRST = 200,
  72   TEST_PERFCOUNTERS1_ELEMENT_1,
  73   TEST_PERFCOUNTERS1_ELEMENT_2,
  74   TEST_PERFCOUNTERS1_ELEMENT_3,
  75   TEST_PERFCOUNTERS1_ELEMENT_LAST,
  76 };
  77
  78 std::string sd(const char *c)
  79 {
  80   std::string ret(c);
  81   std::string::size_type sz = ret.size();
  82   for (std::string::size_type i = 0; i < sz; ++i) {
  83     if (ret[i] == '\'') {
  84       ret[i] = '\"';
  85     }
  86   }
  87   return ret;
  88 }
  89
  90 static PerfCounters* setup_test_perfcounters1(CephContext *cct)
  91 {
  92   PerfCountersBuilder bld(cct, "test_perfcounter_1",
  93           TEST_PERFCOUNTERS1_ELEMENT_FIRST, TEST_PERFCOUNTERS1_ELEMENT_LAST);
  94   bld.add_u64(TEST_PERFCOUNTERS1_ELEMENT_1, "element1");
  95   bld.add_time(TEST_PERFCOUNTERS1_ELEMENT_2, "element2");
  96   bld.add_time_avg(TEST_PERFCOUNTERS1_ELEMENT_3, "element3");
  97   return bld.create_perf_counters();
  98 }
  99
 100 TEST(PerfCounters, SinglePerfCounters) {
 101   PerfCountersCollection *coll = g_ceph_context->get_perfcounters_collection();
 102   PerfCounters* fake_pf = setup_test_perfcounters1(g_ceph_context);
 103   coll->add(fake_pf);
 104   AdminSocketClient client(get_rand_socket_path());
 105   std::string msg;
 106   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 107   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":0,"
 108             "\"element2\":0.000000000,\"element3\":{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}}}"), msg);
 109   fake_pf->inc(TEST_PERFCOUNTERS1_ELEMENT_1);
 110   fake_pf->tset(TEST_PERFCOUNTERS1_ELEMENT_2, utime_t(0, 500000000));
 111   fake_pf->tinc(TEST_PERFCOUNTERS1_ELEMENT_3, utime_t(100, 0));
 112   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 113   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":1,"
 114             "\"element2\":0.500000000,\"element3\":{\"avgcount\":1,\"sum\":100.000000000,\"avgtime\":100.000000000}}}"), msg);
 115   fake_pf->tinc(TEST_PERFCOUNTERS1_ELEMENT_3, utime_t());
 116   fake_pf->tinc(TEST_PERFCOUNTERS1_ELEMENT_3, utime_t(20,0));
 117   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 118   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":1,\"element2\":0.500000000,"
 119             "\"element3\":{\"avgcount\":3,\"sum\":120.000000000,\"avgtime\":40.000000000}}}"), msg);
 120
 121   fake_pf->reset();
 122   msg.clear();
 123   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 124   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":1,"
 125             "\"element2\":0.000000000,\"element3\":{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}}}"), msg);
 126
 127 }
 128
 129 enum {
 130   TEST_PERFCOUNTERS2_ELEMENT_FIRST = 400,
 131   TEST_PERFCOUNTERS2_ELEMENT_FOO,
 132   TEST_PERFCOUNTERS2_ELEMENT_BAR,
 133   TEST_PERFCOUNTERS2_ELEMENT_LAST,
 134 };
 135
 136 static PerfCounters* setup_test_perfcounter2(CephContext *cct)
 137 {
 138   PerfCountersBuilder bld(cct, "test_perfcounter_2",
 139           TEST_PERFCOUNTERS2_ELEMENT_FIRST, TEST_PERFCOUNTERS2_ELEMENT_LAST);
 140   bld.add_u64(TEST_PERFCOUNTERS2_ELEMENT_FOO, "foo");
 141   bld.add_time(TEST_PERFCOUNTERS2_ELEMENT_BAR, "bar");
 142   return bld.create_perf_counters();
 143 }
 144
 145 TEST(PerfCounters, MultiplePerfCounters) {
 146   PerfCountersCollection *coll = g_ceph_context->get_perfcounters_collection();
 147   coll->clear();
 148   PerfCounters* fake_pf1 = setup_test_perfcounters1(g_ceph_context);
 149   PerfCounters* fake_pf2 = setup_test_perfcounter2(g_ceph_context);
 150   coll->add(fake_pf1);
 151   coll->add(fake_pf2);
 152   AdminSocketClient client(get_rand_socket_path());
 153   std::string msg;
 154
 155   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 156   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":0,\"element2\":0.000000000,\"element3\":"
 157             "{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}},\"test_perfcounter_2\":{\"foo\":0,\"bar\":0.000000000}}"), msg);
 158
 159   fake_pf1->inc(TEST_PERFCOUNTERS1_ELEMENT_1);
 160   fake_pf1->inc(TEST_PERFCOUNTERS1_ELEMENT_1, 5);
 161   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 162   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":6,\"element2\":0.000000000,\"element3\":"
 163             "{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}},\"test_perfcounter_2\":{\"foo\":0,\"bar\":0.000000000}}"), msg);
 164
 165   coll->reset(string("test_perfcounter_1"));
 166   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 167   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":6,\"element2\":0.000000000,\"element3\":"
 168             "{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}},\"test_perfcounter_2\":{\"foo\":0,\"bar\":0.000000000}}"), msg);
 169
 170   fake_pf1->inc(TEST_PERFCOUNTERS1_ELEMENT_1);
 171   fake_pf1->inc(TEST_PERFCOUNTERS1_ELEMENT_1, 6);
 172   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 173   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":13,\"element2\":0.000000000,\"element3\":"
 174             "{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}},\"test_perfcounter_2\":{\"foo\":0,\"bar\":0.000000000}}"), msg);
 175
 176   coll->reset(string("all"));
 177   msg.clear();
 178   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 179   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":13,\"element2\":0.000000000,\"element3\":"
 180             "{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}},\"test_perfcounter_2\":{\"foo\":0,\"bar\":0.000000000}}"), msg);
 181
 182   coll->remove(fake_pf2);
 183   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 184   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":13,\"element2\":0.000000000,"
 185             "\"element3\":{\"avgcount\":0,\"sum\":0.000000000,\"avgtime\":0.000000000}}}"), msg);
 186   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf schema\", \"format\": \"json\" }", &msg));
 187   ASSERT_EQ(sd("{\"test_perfcounter_1\":{\"element1\":{\"type\":2,\"metric_type\":\"gauge\",\"value_type\":\"integer\",\"description\":\"\",\"nick\":\"\",\"priority\":0,\"units\":\"none\"},\"element2\":{\"type\":1,\"metric_type\":\"gauge\",\"value_type\":\"real\",\"description\":\"\",\"nick\":\"\",\"priority\":0,\"units\":\"none\"},\"element3\":{\"type\":5,\"metric_type\":\"gauge\",\"value_type\":\"real-integer-pair\",\"description\":\"\",\"nick\":\"\",\"priority\":0,\"units\":\"none\"}}}"), msg);
 188   coll->clear();
 189   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf dump\", \"format\": \"json\" }", &msg));
 190   ASSERT_EQ("{}", msg);
 191 }
 192
 193 TEST(PerfCounters, ResetPerfCounters) {
 194   AdminSocketClient client(get_rand_socket_path());
 195   std::string msg;
 196   PerfCountersCollection *coll = g_ceph_context->get_perfcounters_collection();
 197   coll->clear();
 198   PerfCounters* fake_pf1 = setup_test_perfcounters1(g_ceph_context);
 199   coll->add(fake_pf1);
 200
 201   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf reset\", \"var\": \"all\", \"format\": \"json\" }", &msg));
 202   ASSERT_EQ(sd("{\"success\":\"perf reset all\"}"), msg);
 203
 204   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf reset\", \"var\": \"test_perfcounter_1\", \"format\": \"json\" }", &msg));
 205   ASSERT_EQ(sd("{\"success\":\"perf reset test_perfcounter_1\"}"), msg);
 206
 207   coll->clear();
 208   ASSERT_EQ("", client.do_request("{ \"prefix\": \"perf reset\", \"var\": \"test_perfcounter_1\", \"format\": \"json\" }", &msg));
 209   ASSERT_EQ(sd("{\"error\":\"Not find: test_perfcounter_1\"}"), msg);
 210 }
 211
 212 enum {
 213   TEST_PERFCOUNTERS3_ELEMENT_FIRST = 400,
 214   TEST_PERFCOUNTERS3_ELEMENT_READ,
 215   TEST_PERFCOUNTERS3_ELEMENT_LAST,
 216 };
 217
 218 static std::shared_ptr<PerfCounters> setup_test_perfcounter3(CephContext* cct) {
 219   PerfCountersBuilder bld(cct, "test_percounter_3",
 220       TEST_PERFCOUNTERS3_ELEMENT_FIRST, TEST_PERFCOUNTERS3_ELEMENT_LAST);
 221   bld.add_time_avg(TEST_PERFCOUNTERS3_ELEMENT_READ, "read_avg");
 222   std::shared_ptr<PerfCounters> p(bld.create_perf_counters());
 223   return p;
 224 }
 225
 226 static void counters_inc_test(std::shared_ptr<PerfCounters> fake_pf) {
 227   int i = 100000;
 228   utime_t t;
 229
 230   // set to 1 nsec
 231   t.set_from_double(0.000000001);
 232   while (i--) {
 233     // increase by one, make sure data.u64 equal to data.avgcount
 234     fake_pf->tinc(TEST_PERFCOUNTERS3_ELEMENT_READ, t);
 235   }
 236 }
 237
 238 static void counters_readavg_test(std::shared_ptr<PerfCounters> fake_pf) {
 239   int i = 100000;
 240
 241   while (i--) {
 242     std::pair<uint64_t, uint64_t> dat = fake_pf->get_tavg_ns(TEST_PERFCOUNTERS3_ELEMENT_READ);
 243     // sum and count should be identical as we increment TEST_PERCOUNTERS_ELEMENT_READ by 1 nsec eveytime
 244     ASSERT_EQ(dat.first, dat.second);
 245   }
 246 }
 247
 248 TEST(PerfCounters, read_avg) {
 249   std::shared_ptr<PerfCounters> fake_pf = setup_test_perfcounter3(g_ceph_context);
 250
 251   std::thread t1(counters_inc_test, fake_pf);
 252   std::thread t2(counters_readavg_test, fake_pf);
 253   t2.join();
 254   t1.join();
 255 }