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35 #include <xseg/protocol.h>
36 #include <bench-lfsr.h>
39 #define LIKELY(x) __builtin_expect(!!(x),1)
40 #define UNLIKELY(x) __builtin_expect(!!(x),0)
43 #define UNLIKELY(x) (x)
47 * If CLOCK_MONOTONIC_RAW is not defined in our system, use CLOCK_MONOTONIC
48 * instead. CLOCK_MONOTONIC_RAW is preferred since we are guaranteed that the
51 #ifdef CLOCK_MONOTONIC_RAW
52 #define CLOCK_BENCH CLOCK_MONOTONIC_RAW
54 #define CLOCK_BENCH CLOCK_MONOTONIC
57 #define MAX_ARG_LEN 10
60 * Pattern type occupies 1st flag bit.
61 * If 0, it's sequential, if 1, it's random.
63 #define PATTERN_FLAG_POS 0
64 #define PATTERN_BITMASK 1
66 #define PATTERN_RAND 1
69 * Verify mode occupies 2nd and 3rd flag bit.
70 * If 01, it uses metadata for verification, if 11 it writes pseudorandom nums
71 * in chunk's memory range and if 00, it's off.
73 #define VERIFY_FLAG_POS 1
74 #define VERIFY_BITMASK 3 /* i.e. "11" in binary form */
79 /* Timer insanity occupies 4th and 5th flag bit */
80 #define INSANITY_FLAG_POS 3
81 #define INSANITY_BITMASK 3 /* i.e. "11" in binary form */
82 #define INSANITY_SANE 0
83 #define INSANITY_ECCENTRIC 1
84 #define INSANITY_MANIC 2
85 #define INSANITY_PARANOID 3
87 /* Progress bar option occupies 6th flag bit */
88 #define PROGRESS_FLAG_POS 5
89 #define PROGRESS_BITMASK 3 /* i.e. "11" in binary form */
91 #define PROGRESS_YES 1
93 /* This is not part of flags per se, but is relative to progress */
98 /* Ping option occupies 7th flag bit */
99 #define PING_FLAG_POS 7
100 #define PING_BITMASK 1
101 #define PING_MODE_OFF 0
102 #define PING_MODE_ON 1
105 * Current bench flags representation:
122 * Find position of flag, make it zero, get requested flag value, store it to
125 #define SET_FLAG(__ftype, __flag, __val) \
126 __flag = (__flag & ~(__ftype##_BITMASK << __ftype##_FLAG_POS)) | \
127 (__val << __ftype##_FLAG_POS);
129 /* Apply bitmask to flags, shift result to the right to get correct value */
130 #define GET_FLAG(__ftype, __flag) \
131 (__flag & (__ftype##_BITMASK << __ftype##_FLAG_POS)) >> __ftype##_FLAG_POS
134 * For now, the seed length is fixed to 9 digits whereas the object number
135 * length is fixed to fifteen digits.
141 uint64_t to; //Total number of objects (not for read/write)
142 uint64_t ts; //Total I/O size
143 uint64_t os; //Object size
144 uint64_t bs; //Block size
145 uint32_t iodepth; //Num of in-flight xseg reqs
148 uint32_t op; //xseg operation
150 unsigned int interval;
152 struct req_status *status;
153 struct bench_lfsr *lfsr;
154 struct object_vars *objvars;
155 struct progress_report *rep;
156 struct timer *total_tm; //Total time for benchmark
157 struct timer *get_tm; //Time for xseg_get_request
158 struct timer *sub_tm; //Time for xseg_submit_request
159 struct timer *rec_tm; //Time for xseg_receive_request
163 char name[XSEG_MAX_TARGETLEN];
165 char prefix[XSEG_MAX_TARGETLEN];
168 int seedlen; /* seed length is hardcoded for now*/
170 int objnumlen; /* object number length is hardcoded for now*/
174 uint64_t max; /* Max requests for benchmark */
177 uint64_t corrupted; /* Requests that did not pass verification */
181 struct progress_report {
189 * Custom timespec. Made to calculate variance, where we need the square of a
190 * timespec struct. This struct should be more than enough to hold the square
191 * of the biggest timespec.
194 unsigned long tv_sec2;
199 * struct timer fields
200 * ====================
201 * completed: number of completed requests
202 * start_time: submission time of a request
203 * sum: the sum of elapsed times of every completed request
204 * sum_sq: the sum of the squares of elapsed times
205 * insanity: benchmarking level, higher means that the request associated with
206 * this timer is more trivial.
210 struct timespec2 sum_sq;
211 struct timespec start_time;
212 struct timespec elapsed_time;
235 int bench_peerd_loop(void *arg);
237 void timer_start(struct bench *prefs, struct timer *sample_req);
238 void timer_stop(struct bench *prefs, struct timer *sample_tm,
239 struct timespec *start);
240 int init_timer(struct timer **tm, int insanity);
241 uint64_t str2num(char *str);
242 int read_op(char *op);
243 int read_pattern(char *pattern);
244 int read_insanity(char *insanity);
245 int read_verify(char *insanity);
246 int read_progress(char *progress);
247 int read_progress_type(char *ptype);
248 uint64_t read_interval(struct bench *prefs, char *str_interval);
249 int read_ping(char *progress);
250 void clear_report_lines(int lines);
251 void print_total_res(struct bench *prefs);
252 void print_rec_res(struct bench *prefs);
253 void print_divider();
254 void print_req_stats(struct bench *prefs);
255 void print_io_stats(struct bench *prefs);
256 void print_progress(struct bench *prefs);
257 void print_dummy_progress(struct bench *prefs);
258 void print_remaining(struct bench *prefs);
259 void create_target(struct bench *prefs, struct xseg_request *req);
260 void create_chunk(struct bench *prefs, struct xseg_request *req, uint64_t new);
261 int read_chunk(struct bench *prefs, struct xseg_request *req);
262 uint64_t determine_next(struct bench *prefs);
263 uint64_t calculate_offset(struct bench *prefs, uint64_t new);
264 uint64_t calculate_interval(struct bench *prefs, uint64_t percentage);
265 int calculate_report_lines(struct bench *prefs);
266 int validate_seed(struct bench *prefs, unsigned long seed);
268 void inspect_obv(struct object_vars *obv);
269 uint64_t __get_object(struct bench *prefs, uint64_t new);