mirror of
https://github.com/hanzoai/visor.git
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Luis Capelo
aa9030c7fe
GPU profilers (Nsight Systems/CUPTI) build their trace timeline from CLOCK_MONOTONIC_RAW. gVisor serves CLOCK_MONOTONIC_RAW as an alias of CLOCK_MONOTONIC, this will drift from CLOCK_MONOTONIC_RAW breaking profiling. When nvproxy is enabled with `capProfiling`, this change exposes CLOCK_MONOTONIC_RAW as a clock distinct from CLOCK_MONOTONIC that tracks the host's CLOCK_MONOTONIC_RAW (absolute, unadjusted). CLOCK_MONOTONIC is unchanged. When profiling is disabled, CLOCK_MONOTONIC_RAW continues to alias CLOCK_MONOTONIC as before.
29 lines
864 B
C++
29 lines
864 B
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef VDSO_VDSO_TIME_H_
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#define VDSO_VDSO_TIME_H_
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#include <time.h>
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namespace vdso {
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int ClockRealtime(struct timespec* ts);
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int ClockMonotonic(struct timespec* ts);
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int ClockMonotonicRaw(struct timespec* ts);
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} // namespace vdso
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#endif // VDSO_VDSO_TIME_H_
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