![Gregory Burd](/assets/img/avatar_default.png)
------------------------------------------------------------------------ r1601 | sears.russell@gmail.com | 2012-03-20 18:43:00 -0400 (Tue, 20 Mar 2012) | 1 line commit bLSM bloom filter to stasis/util, which is where it really belongs ------------------------------------------------------------------------ r1600 | sears.russell@gmail.com | 2012-03-04 01:58:38 -0500 (Sun, 04 Mar 2012) | 1 line fix memory leak in skiplist unit test (now it is valgrind clean) ------------------------------------------------------------------------ r1599 | sears.russell@gmail.com | 2012-03-04 01:58:05 -0500 (Sun, 04 Mar 2012) | 1 line fix typo in finalize type ------------------------------------------------------------------------ r1598 | sears.russell@gmail.com | 2012-03-04 00:59:59 -0500 (Sun, 04 Mar 2012) | 1 line add comparator and finalizer parameters to skiplist constructor ------------------------------------------------------------------------ r1597 | sears.russell@gmail.com | 2012-03-03 18:23:16 -0500 (Sat, 03 Mar 2012) | 1 line bugfixes for skiplist ------------------------------------------------------------------------ r1596 | sears.russell@gmail.com | 2012-03-02 15:05:07 -0500 (Fri, 02 Mar 2012) | 1 line updated concurrentSkipList. Seeing strange crashes ------------------------------------------------------------------------ r1595 | sears.russell@gmail.com | 2012-03-01 16:51:59 -0500 (Thu, 01 Mar 2012) | 1 line add progress reports ------------------------------------------------------------------------ r1594 | sears.russell@gmail.com | 2012-02-28 13:17:05 -0500 (Tue, 28 Feb 2012) | 1 line experimental support for automatic logfile preallocation ------------------------------------------------------------------------ r1593 | sears.russell@gmail.com | 2012-02-28 12:10:01 -0500 (Tue, 28 Feb 2012) | 1 line add histogram reporting to rawIOPS benchmark ------------------------------------------------------------------------ r1592 | sears.russell@gmail.com | 2012-02-24 16:31:36 -0500 (Fri, 24 Feb 2012) | 1 line userspace raid 0 implementation ------------------------------------------------------------------------ r1591 | sears.russell@gmail.com | 2012-02-12 01:47:25 -0500 (Sun, 12 Feb 2012) | 1 line add skiplist unit test, fix compile warnings ------------------------------------------------------------------------ r1590 | sears.russell@gmail.com | 2012-02-12 00:52:52 -0500 (Sun, 12 Feb 2012) | 1 line fix compile error ------------------------------------------------------------------------ r1589 | sears.russell@gmail.com | 2012-02-12 00:50:21 -0500 (Sun, 12 Feb 2012) | 1 line fix some bugs in hazard.h surrounding thread list management and overruns of R under high contention ------------------------------------------------------------------------ r1588 | sears.russell@gmail.com | 2012-02-11 14:23:10 -0500 (Sat, 11 Feb 2012) | 1 line add hazard pointer for get_lock. It was implicitly blowing away the hazard pointer protecting y in the caller ------------------------------------------------------------------------ r1587 | sears.russell@gmail.com | 2012-02-10 18:51:25 -0500 (Fri, 10 Feb 2012) | 1 line fix null pointer bug ------------------------------------------------------------------------ r1586 | sears.russell@gmail.com | 2012-02-10 18:03:39 -0500 (Fri, 10 Feb 2012) | 1 line add simple refcounting scheme to concurrentSkipList. This solves the problem where a deleted node points to another deleted node, and we only have a hazard pointer for the first node. ------------------------------------------------------------------------ r1585 | sears.russell@gmail.com | 2012-02-10 14:19:14 -0500 (Fri, 10 Feb 2012) | 1 line add hazard pointers for update using the smallest free slot first. The old method left a race condition, since hazard_scan stops at the first null pointer. ------------------------------------------------------------------------ r1584 | sears.russell@gmail.com | 2012-02-10 02:45:30 -0500 (Fri, 10 Feb 2012) | 1 line add hazard pointers for update array ------------------------------------------------------------------------ r1583 | sears.russell@gmail.com | 2012-02-10 00:04:50 -0500 (Fri, 10 Feb 2012) | 1 line skiplist update: concurrent, but broken ------------------------------------------------------------------------ r1582 | sears.russell@gmail.com | 2012-02-09 17:44:27 -0500 (Thu, 09 Feb 2012) | 1 line skip list implementation. Not concurrent yet. ------------------------------------------------------------------------ r1581 | sears.russell@gmail.com | 2012-02-08 13:33:29 -0500 (Wed, 08 Feb 2012) | 1 line Commit of a bunch of new, unused code: KISS random number generator, Hazard Pointers, SUX latches (untested) and bit twiddling for concurrent b-tree ------------------------------------------------------------------------ r1580 | sears.russell@gmail.com | 2012-01-17 19:17:37 -0500 (Tue, 17 Jan 2012) | 1 line fix typo ------------------------------------------------------------------------ r1579 | sears.russell@gmail.com | 2012-01-11 18:33:31 -0500 (Wed, 11 Jan 2012) | 1 line static build fixes for linux. hopefully these do not break macos... ------------------------------------------------------------------------ r1578 | sears.russell@gmail.com | 2012-01-09 19:13:34 -0500 (Mon, 09 Jan 2012) | 1 line fix cmake under linux ------------------------------------------------------------------------ r1577 | sears.russell@gmail.com | 2012-01-09 18:37:15 -0500 (Mon, 09 Jan 2012) | 1 line fix linux static binary compilation bugs ------------------------------------------------------------------------ r1576 | sears.russell | 2012-01-09 18:00:08 -0500 (Mon, 09 Jan 2012) | 1 line port to macos x ------------------------------------------------------------------------ r1575 | sears.russell | 2012-01-09 17:39:43 -0500 (Mon, 09 Jan 2012) | 1 line add missing _ from sync call name ------------------------------------------------------------------------ r1574 | sears.russell@gmail.com | 2012-01-09 14:26:31 -0500 (Mon, 09 Jan 2012) | 1 line add -rt flag to static builds ------------------------------------------------------------------------ r1573 | sears.russell@gmail.com | 2011-12-20 23:38:29 -0500 (Tue, 20 Dec 2011) | 1 line Simple makefile geared toward building libstasis.so and libstasis.a (and nothing else) ------------------------------------------------------------------------ r1572 | sears.russell@gmail.com | 2011-12-20 22:37:54 -0500 (Tue, 20 Dec 2011) | 1 line add some missing #include<config.h> lines
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
|
|
* butterfly.c
|
|
*
|
|
* Created on: Sep 9, 2011
|
|
* Author: sears
|
|
*/
|
|
#include <config.h>
|
|
#include <stasis/common.h>
|
|
#include <stasis/util/time.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
|
|
int main(int argc, char * argv[]) {
|
|
if(argc != 4) {
|
|
printf("usage: %s filename file_size sector_size\n", argv[0]); fflush(stdout); abort();
|
|
}
|
|
const char * filename = argv[1];
|
|
uint64_t file_size = atoll(argv[2]);
|
|
int sector_size = atoi(argv[3]);
|
|
|
|
int fd = -1;
|
|
#ifdef HAVE_O_DSYNC
|
|
fd = open(filename, O_WRONLY|O_DSYNC); //|O_DIRECT);
|
|
#else
|
|
fd = open(filename, O_WRONLY|O_SYNC);
|
|
#endif
|
|
struct timeval start, stop;
|
|
void * buf;
|
|
#ifdef HAVE_POSIX_MEMALIGN
|
|
posix_memalign(&buf, sector_size, sector_size);
|
|
#else
|
|
buf = malloc(2 * sector_size);
|
|
((intptr_t)buf) &= ~(sector_size-1);
|
|
#endif
|
|
memset(buf, 0, sector_size);
|
|
|
|
|
|
gettimeofday(&stop,0);
|
|
for(uint64_t i = 0; i < file_size/sector_size; i++) {
|
|
int err = pwrite(fd, buf, sector_size, 0);
|
|
if(err == -1) {
|
|
perror("Couldn't write");
|
|
abort();
|
|
}
|
|
assert(err && err == sector_size);
|
|
gettimeofday(&start, 0);
|
|
double reset_elapsed = stasis_timeval_to_double(stasis_subtract_timeval(start,stop));
|
|
err = pwrite(fd, buf, sector_size, i * sector_size);
|
|
if(err == -1) {
|
|
perror("Couldn't write");
|
|
abort();
|
|
}
|
|
assert(err && err == sector_size);
|
|
|
|
gettimeofday(&stop, 0);
|
|
double elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop,start));
|
|
printf("%lld\t%0.5f\t%0.5f\n", (long long) i, elapsed, reset_elapsed);
|
|
}
|
|
|
|
close(fd);
|
|
}
|
|
|