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Test: Refactor ioctl mock call to be more deterministic

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Add flag forceExtraIoctlDuration for controlling duration in
ioctl ULT call.

Related-To: NEO-6537
Signed-off-by: Krzysztof Gibala <krzysztof.gibala@intel.com>
This commit is contained in:
Krzysztof Gibala
2022-04-25 10:56:11 +00:00
committed by Compute-Runtime-Automation
parent 31b2433b2f
commit f6dae5ecf2
3 changed files with 19 additions and 15 deletions
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14
opencl/test/unit_test/linux/mock_os_layer.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2018-2021 Intel Corporation
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
@@ -42,6 +42,7 @@ int failOnDrmVersion = 0;
int accessCalledTimes = 0;
int readLinkCalledTimes = 0;
int fstatCalledTimes = 0;
bool forceExtraIoctlDuration = 0;
char providedDrmVersion[5] = {'i', '9', '1', '5', '\0'};
uint64_t gpuTimestamp = 0;
int ioctlSeq[8] = {0, 0, 0, 0, 0, 0, 0, 0};
@@ -270,6 +271,17 @@ int drmQueryItem(drm_i915_query *query) {
}
int ioctl(int fd, unsigned long int request, ...) throw() {
using namespace std::chrono_literals;
if (forceExtraIoctlDuration) {
auto start = std::chrono::steady_clock::now();
std::chrono::steady_clock::time_point end;
do {
end = std::chrono::steady_clock::now();
} while ((end - start) == 0ns);
}
int res;
va_list vl;
va_start(vl, request);