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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/test/perf_helper.cc | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/perf_helper.cc')
-rw-r--r-- | src/test/perf_helper.cc | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/test/perf_helper.cc b/src/test/perf_helper.cc new file mode 100644 index 000000000..00527ce9f --- /dev/null +++ b/src/test/perf_helper.cc @@ -0,0 +1,52 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* Copyright (c) 2011 Facebook + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR(S) DISCLAIM ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL AUTHORS BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "include/buffer.h" +#include "common/error_code.h" + +using namespace ceph; + +namespace PerfHelper { + +/// Flush the CPU data cache by reading and writing 100MB of new data. +void flush_cache() +{ + int hundredMegs = 100 * 1024 * 1024; + volatile char* block = new char[hundredMegs]; + for (int i = 0; i < hundredMegs; i++) + block[i] = 1; + delete[] block; +} + +/// Used in functionCall(). +uint64_t plus_one(uint64_t x) +{ + return x + 1; +} + +/// Used in throwIntNL. +void throw_int() +{ + throw 0; +} + +/// Used in throwExceptionNL. +void throw_end_of_buffer() +{ + throw buffer::end_of_buffer(); +} +} |