ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bdevperf: Move some performance dump code up in file

Browse Source 
This is going to be used in the shutdown path, so move it
up to avoid having to forward declare it.

Change-Id: Ia5e4d9ef4290f6d67528ee7d3f8a2e15bc39868d
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1870
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
This commit is contained in:
Ben Walker 2020-04-15 11:15:15 -07:00 committed by Tomasz Zawadzki
parent daf08e3b55
commit 94d42195b6
1 changed files with 58 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

116
test/bdev/bdevperf/bdevperf.c
View File

@ -143,6 +143,63 @@ static struct spdk_bdevperf g_bdevperf = {
struct bdevperf_reactor *g_next_reactor; struct bdevperf_reactor *g_next_reactor;
struct perf_dump_ctx {
uint64_t io_time_in_usec;
uint64_t ema_period;
double total_io_per_second;
double total_mb_per_second;
performance_dump_done_fn cb_fn;
void *cb_arg;
};
/*
* Cumulative Moving Average (CMA): average of all data up to current
* Exponential Moving Average (EMA): weighted mean of the previous n data and more weight is given to recent
* Simple Moving Average (SMA): unweighted mean of the previous n data
*
* Bdevperf supports CMA and EMA.
*/
static double
get_cma_io_per_second(struct bdevperf_job *job, uint64_t io_time_in_usec)
{
return (double)job->io_completed * 1000000 / io_time_in_usec;
}
static double
get_ema_io_per_second(struct bdevperf_job *job, uint64_t ema_period)
{
double io_completed, io_per_second;
io_completed = job->io_completed;
io_per_second = (double)(io_completed - job->prev_io_completed) * 1000000
/ g_show_performance_period_in_usec;
job->prev_io_completed = io_completed;
job->ema_io_per_second += (io_per_second - job->ema_io_per_second) * 2
/ (ema_period + 1);
return job->ema_io_per_second;
}
static void
performance_dump_job(struct perf_dump_ctx *ctx, struct bdevperf_job *job)
{
double io_per_second, mb_per_second;
printf("\r Thread name: %s\n", spdk_thread_get_name(job->reactor->thread));
printf("\r Core Mask: 0x%s\n", spdk_cpuset_fmt(spdk_thread_get_cpumask(job->reactor->thread)));
if (ctx->ema_period == 0) {
io_per_second = get_cma_io_per_second(job, ctx->io_time_in_usec);
} else {
io_per_second = get_ema_io_per_second(job, ctx->ema_period);
}
mb_per_second = io_per_second * g_io_size / (1024 * 1024);
printf("\r %-20s: %10.2f IOPS %10.2f MiB/s\n",
job->name, io_per_second, mb_per_second);
ctx->total_io_per_second += io_per_second;
ctx->total_mb_per_second += mb_per_second;
}
static void static void
generate_data(void *buf, int buf_len, int block_size, void *md_buf, int md_size, generate_data(void *buf, int buf_len, int block_size, void *md_buf, int md_size,
int num_blocks, int seed) int num_blocks, int seed)
@ -857,43 +914,6 @@ bdevperf_submit_on_reactor(struct spdk_io_channel_iter *i)
spdk_for_each_channel_continue(i, 0); spdk_for_each_channel_continue(i, 0);
} }
/*
* Cumulative Moving Average (CMA): average of all data up to current
* Exponential Moving Average (EMA): weighted mean of the previous n data and more weight is given to recent
* Simple Moving Average (SMA): unweighted mean of the previous n data
*
* Bdevperf supports CMA and EMA.
*/
static double
get_cma_io_per_second(struct bdevperf_job *job, uint64_t io_time_in_usec)
{
return (double)job->io_completed * 1000000 / io_time_in_usec;
}
static double
get_ema_io_per_second(struct bdevperf_job *job, uint64_t ema_period)
{
double io_completed, io_per_second;
io_completed = job->io_completed;
io_per_second = (double)(io_completed - job->prev_io_completed) * 1000000
/ g_show_performance_period_in_usec;
job->prev_io_completed = io_completed;
job->ema_io_per_second += (io_per_second - job->ema_io_per_second) * 2
/ (ema_period + 1);
return job->ema_io_per_second;
}
struct perf_dump_ctx {
uint64_t io_time_in_usec;
uint64_t ema_period;
double total_io_per_second;
double total_mb_per_second;
performance_dump_done_fn cb_fn;
void *cb_arg;
};
static void static void
_performance_dump_done(struct spdk_io_channel_iter *i, int status) _performance_dump_done(struct spdk_io_channel_iter *i, int status)
{ {
@ -913,26 +933,6 @@ _performance_dump_done(struct spdk_io_channel_iter *i, int status)
free(ctx); free(ctx);
} }
static void
_performance_dump_job(struct perf_dump_ctx *ctx, struct bdevperf_job *job)
{
double io_per_second, mb_per_second;
printf("\r Thread name: %s\n", spdk_thread_get_name(job->reactor->thread));
printf("\r Core Mask: 0x%s\n", spdk_cpuset_fmt(spdk_thread_get_cpumask(job->reactor->thread)));
if (ctx->ema_period == 0) {
io_per_second = get_cma_io_per_second(job, ctx->io_time_in_usec);
} else {
io_per_second = get_ema_io_per_second(job, ctx->ema_period);
}
mb_per_second = io_per_second * g_io_size / (1024 * 1024);
printf("\r %-20s: %10.2f IOPS %10.2f MiB/s\n",
job->name, io_per_second, mb_per_second);
ctx->total_io_per_second += io_per_second;
ctx->total_mb_per_second += mb_per_second;
}
static void static void
_performance_dump(struct spdk_io_channel_iter *i) _performance_dump(struct spdk_io_channel_iter *i)
{ {
@ -950,7 +950,7 @@ _performance_dump(struct spdk_io_channel_iter *i)
} }
TAILQ_FOREACH(job, &reactor->jobs, link) { TAILQ_FOREACH(job, &reactor->jobs, link) {
_performance_dump_job(ctx, job); performance_dump_job(ctx, job);
} }
fflush(stdout); fflush(stdout);