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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) 2009 Sage Weil <sage@newdream.net> | |
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 | ||
15 | #ifndef CEPH_OBJ_BENCHER_H | |
16 | #define CEPH_OBJ_BENCHER_H | |
17 | ||
7c673cae FG |
18 | #include "common/ceph_context.h" |
19 | #include "common/Formatter.h" | |
20 | #include <cfloat> | |
21 | ||
22 | struct bench_interval_data { | |
23 | double min_bandwidth = DBL_MAX; | |
24 | double max_bandwidth = 0; | |
25 | int min_iops = INT_MAX; | |
26 | int max_iops = 0; | |
27 | }; | |
28 | ||
29 | struct bench_history { | |
30 | vector<double> bandwidth; | |
31 | vector<double> latency; | |
32 | vector<long> iops; | |
33 | }; | |
34 | ||
35 | struct bench_data { | |
36 | bool done; //is the benchmark is done | |
37 | uint64_t object_size; //the size of the objects | |
38 | uint64_t op_size; // the size of the read/write ops | |
39 | bool hints; | |
40 | // same as object_size for write tests | |
41 | int in_flight; //number of reads/writes being waited on | |
42 | int started; | |
43 | int finished; | |
44 | double min_latency; | |
45 | double max_latency; | |
46 | double avg_latency; | |
47 | struct bench_interval_data idata; // data that is updated by time intervals and not by events | |
48 | struct bench_history history; // data history, used to calculate stddev | |
49 | utime_t cur_latency; //latency of last completed transaction | |
50 | utime_t start_time; //start time for benchmark | |
51 | char *object_contents; //pointer to the contents written to each object | |
52 | }; | |
53 | ||
54 | const int OP_WRITE = 1; | |
55 | const int OP_SEQ_READ = 2; | |
56 | const int OP_RAND_READ = 3; | |
57 | ||
58 | // Object is composed of <oid,namespace> | |
59 | typedef std::pair<std::string, std::string> Object; | |
60 | ||
61 | class ObjBencher { | |
62 | bool show_time; | |
63 | Formatter *formatter = NULL; | |
64 | ostream *outstream = NULL; | |
65 | public: | |
66 | CephContext *cct; | |
67 | protected: | |
68 | Mutex lock; | |
69 | ||
70 | static void *status_printer(void *bencher); | |
71 | ||
72 | struct bench_data data; | |
73 | ||
74 | int fetch_bench_metadata(const std::string& metadata_file, uint64_t* op_size, | |
75 | uint64_t* object_size, int* num_objects, int* prevPid); | |
76 | ||
77 | int write_bench(int secondsToRun, int concurrentios, const string& run_name_meta, unsigned max_objects); | |
78 | int seq_read_bench(int secondsToRun, int num_objects, int concurrentios, int writePid, bool no_verify=false); | |
79 | int rand_read_bench(int secondsToRun, int num_objects, int concurrentios, int writePid, bool no_verify=false); | |
80 | ||
81 | int clean_up(int num_objects, int prevPid, int concurrentios); | |
82 | bool more_objects_matching_prefix(const std::string& prefix, std::list<Object>* name); | |
83 | ||
84 | virtual int completions_init(int concurrentios) = 0; | |
85 | virtual void completions_done() = 0; | |
86 | ||
87 | virtual int create_completion(int i, void (*cb)(void *, void*), void *arg) = 0; | |
88 | virtual void release_completion(int slot) = 0; | |
89 | ||
90 | virtual bool completion_is_done(int slot) = 0; | |
91 | virtual int completion_wait(int slot) = 0; | |
92 | virtual int completion_ret(int slot) = 0; | |
93 | ||
94 | virtual int aio_read(const std::string& oid, int slot, bufferlist *pbl, size_t len, size_t offset) = 0; | |
95 | virtual int aio_write(const std::string& oid, int slot, bufferlist& bl, size_t len, size_t offset) = 0; | |
96 | virtual int aio_remove(const std::string& oid, int slot) = 0; | |
97 | virtual int sync_read(const std::string& oid, bufferlist& bl, size_t len) = 0; | |
98 | virtual int sync_write(const std::string& oid, bufferlist& bl, size_t len) = 0; | |
99 | virtual int sync_remove(const std::string& oid) = 0; | |
100 | ||
101 | virtual bool get_objects(std::list< std::pair<std::string, std::string> >* objects, int num) = 0; | |
102 | virtual void set_namespace(const std::string&) {} | |
103 | ||
104 | ostream& out(ostream& os); | |
105 | ostream& out(ostream& os, utime_t& t); | |
106 | public: | |
107 | explicit ObjBencher(CephContext *cct_) : show_time(false), cct(cct_), lock("ObjBencher::lock") {} | |
108 | virtual ~ObjBencher() {} | |
109 | int aio_bench( | |
110 | int operation, int secondsToRun, | |
111 | int concurrentios, uint64_t op_size, uint64_t object_size, unsigned max_objects, | |
112 | bool cleanup, bool hints, const std::string& run_name, bool no_verify=false); | |
113 | int clean_up(const std::string& prefix, int concurrentios, const std::string& run_name); | |
114 | ||
115 | void set_show_time(bool dt) { | |
116 | show_time = dt; | |
117 | } | |
118 | void set_formatter(Formatter *f) { | |
119 | formatter = f; | |
120 | } | |
121 | void set_outstream(ostream& os) { | |
122 | outstream = &os; | |
123 | } | |
124 | int clean_up_slow(const std::string& prefix, int concurrentios); | |
125 | }; | |
126 | ||
127 | ||
128 | #endif |