greg/stasis-aries-wal
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add read-only mode to sequentialThroughput benchmark, add timing data to its output

Browse source
This commit is contained in:
Sears Russell 2011-08-19 22:15:38 +00:00
parent 41f57f46ba
commit 090124e3fe
1 changed files with 65 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
benchmarks/sequentialThroughput.c
View file

@ -1,5 +1,6 @@
#include <config.h>
#include <stasis/transactional.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -16,6 +17,10 @@
#include <stasis/bufferManager/concurrentBufferManager.h>
#include <stasis/truncation.h>
#include <stasis/logger/logger2.h>
#include <stasis/util/time.h>
#include <stasis/flags.h>
/*static stasis_handle_t * memory_factory(lsn_t off, lsn_t len, void * ignored) {
stasis_handle_t * h = stasis_handle(open_memory)(off);
//h = stasis_handle(open_debug)(h);
@ -39,8 +44,10 @@ static stasis_handle_t * traditional_file_factory(void * argsP) {
static inline long mb_to_page(long mb) {
return (mb * 1024 * 1024) / PAGE_SIZE;
}
const char * usage = "./sequentialThroughput [--direct] [--mb mb] [--stake mb]\n [--deprecatedBM|--deprecatedFH|--log_safe_writes|--log_memory|--log_file_pool|--nb|--file|--pfile|--nb_pfile|--nb_file]\n";
static inline long page_to_mb(long page) {
return (page * PAGE_SIZE) / (1024 * 1024);
}
const char * usage = "./sequentialThroughput [--direct] [--mb mb] [--stake mb]\n [--deprecatedBM|--deprecatedFH|--log_safe_writes|--log_memory|--log_file_pool|--nb|--file|--pfile|--nb_pfile|--nb_file] [--read]\n";
int main(int argc, char ** argv) {
int direct = 0;
@ -48,6 +55,7 @@ int main(int argc, char ** argv) {
int legacyFH = 0;
int stake = 0;
int log_mode = 0;
int read_mode = 0;
long page_count = mb_to_page(100);
for(int i = 1; i < argc; i++) {
if(!strcmp(argv[i], "--direct")) {
@ -90,6 +98,11 @@ int main(int argc, char ** argv) {
} else if(!strcmp(argv[i], "--stake")) {
i++;
stake = mb_to_page(atoll(argv[i]));
} else if(!strcmp(argv[i], "--read")) {
read_mode = 1;
} else if(!strcmp(argv[i], "--hint-sequential-writes")) {
stasis_buffer_manager_hint_writes_are_sequential = 1;
stasis_replacement_policy_concurrent_wrapper_exponential_backoff = 1;
} else {
printf("Unknown argument: %s\nUsage: %s\n", argv[i], usage);
return 1;
@ -101,8 +114,23 @@ int main(int argc, char ** argv) {
return 1;
}
struct timeval start;
gettimeofday(&start,0);
Tinit();
if(read_mode) {
if(log_mode) {
printf("read mode for the log is unimplemented\n");
abort();
} else {
for(long i = 0; i < page_count; i++) {
Page * p = loadPage(-1, i);
releasePage(p);
}
}
} else {
if(log_mode) {
lsn_t prevLSN = -1;
byte * arg = calloc(PAGE_SIZE, 1);
@ -130,6 +158,19 @@ int main(int argc, char ** argv) {
releasePage(p);
}
}
}
Tdeinit();
struct timeval stop;
gettimeofday(&stop, 0);
double elapsed = stasis_timeval_to_double(
stasis_subtract_timeval(stop,start));
printf("Elasped = %f seconds, %s %ld mb, throughput %f MB/sec\n",
elapsed,
read_mode ? "read": "wrote",
page_to_mb(page_count),
((double)page_to_mb(page_count)) / elapsed);
return 0;
}