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1 | 1 | /*
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2 |
| - * $PostgreSQL: pgsql/src/tools/fsync/test_fsync.c,v 1.28 2010/07/0401:50:29 momjian Exp $ |
| 2 | + * $PostgreSQL: pgsql/src/tools/fsync/test_fsync.c,v 1.29 2010/07/0413:42:51 momjian Exp $ |
3 | 3 | *
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4 | 4 | *
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5 | 5 | *test_fsync.c
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@@ -79,7 +79,7 @@ main(int argc, char *argv[])
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79 | 79 | /*
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80 | 80 | * Simple write
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81 | 81 | */
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82 |
| -printf("Simple write timing:\n"); |
| 82 | +printf("Simple write:\n"); |
83 | 83 | /* write only */
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84 | 84 | gettimeofday(&start_t,NULL);
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85 | 85 | for (i=0;i<loops;i++)
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@@ -271,7 +271,7 @@ main(int argc, char *argv[])
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271 | 271 | /*
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272 | 272 | * Compare 1 to 2 writes
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273 | 273 | */
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274 |
| -printf("\nCompare open_sync sizes:\n"); |
| 274 | +printf("\nCompare open_syncwith differentsizes:\n"); |
275 | 275 |
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276 | 276 | #ifdefOPEN_SYNC_FLAG
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277 | 277 | /* 16k open_sync write */
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@@ -368,17 +368,10 @@ main(int argc, char *argv[])
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368 | 368 | void
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369 | 369 | print_elapse(structtimevalstart_t,structtimevalstop_t)
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370 | 370 | {
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371 |
| -doubletotal_time,per_second; |
372 |
| - |
373 |
| -if (stop_t.tv_usec<start_t.tv_usec) |
374 |
| -{ |
375 |
| -stop_t.tv_sec--; |
376 |
| -stop_t.tv_usec+=1000000; |
377 |
| -} |
378 |
| - |
379 |
| -total_time= (stop_t.tv_sec-start_t.tv_sec)+ |
| 371 | +doubletotal_time= (stop_t.tv_sec-start_t.tv_sec)+ |
| 372 | +/* usec subtraction might be negative, e.g. 5.4 - 4.8 */ |
380 | 373 | (stop_t.tv_usec-start_t.tv_usec)*0.000001;
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381 |
| -per_second=loops /total_time; |
| 374 | +doubleper_second=loops /total_time; |
382 | 375 |
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383 | 376 | printf("%9.3f/second\n",per_second);
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384 | 377 | }
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|