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examples/accel_perf: don't schedule final callback when using HW

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This results in a significant performance improvement when using
HW offload engines.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I54d3e39f186c9f878fcf8bed8e9242e29d1e1bf1
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8162
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
This commit is contained in:
paul luse 2021-06-02 13:29:52 -04:00 committed by Jim Harris
parent 2e8ae7294a
commit 3e2e2a5765
1 changed files with 7 additions and 1 deletions
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8
examples/accel/perf/accel_perf.c
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@ -44,6 +44,7 @@
#define DATA_PATTERN 0x5a
#define ALIGN_4K 0x1000
static bool g_using_sw_engine = false;
static uint64_t g_tsc_rate;
static uint64_t g_tsc_end;
static int g_rc;
@ -894,7 +895,11 @@ accel_done(void *cb_arg, int status)
assert(worker);
task->status = status;
spdk_thread_send_msg(worker->thread, _accel_done, task);
if (g_using_sw_engine == false) {
_accel_done(task);
} else {
spdk_thread_send_msg(worker->thread, _accel_done, task);
}
}
static void
@ -913,6 +918,7 @@ accel_perf_start(void *arg1)
spdk_put_io_channel(accel_ch);
if ((g_capabilites & g_workload_selection) != g_workload_selection) {
g_using_sw_engine = true;
SPDK_WARNLOG("The selected workload is not natively supported by the current engine\n");
SPDK_WARNLOG("The software engine will be used instead.\n\n");
}