Commit 9d8f841f authored by Jim Harris's avatar Jim Harris Committed by Tomasz Zawadzki
Browse files

llvm_nvme_fuzz: unaffinitize fuzzing thread 



We do not want the fuzzing thread to compete with
one of the nvmf target cores - otherwise they will
keep preempting each other and drastically reducing
the operation rate.

This sped up the operation rate approximately 20x
in my test VM.

Signed-off-by: default avatarJim Harris <james.r.harris@intel.com>
Change-Id: I75d8c59d75e49cafaf7ee94f4796f9184b690647
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12403


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarDong Yi <dongx.yi@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
parent 17dd532f

test/app/fuzz/llvm_nvme_fuzz/llvm_nvme_fuzz.c

+1 −0
Original line number Diff line number Diff line
@@ -606,6 +606,7 @@ start_fuzzer(void *ctx) 
	int argc = SPDK_COUNTOF(_argv);

	uint32_t len;



	spdk_unaffinitize_thread();

	len = MAX_COMMANDS * g_fuzzer->bytes_per_cmd;

	snprintf(len_str, sizeof(len_str), "-max_len=%d", len);

	argv[argc - 3] = len_str;