mirror of
https://github.com/ceres-solver/ceres-solver.git
synced 2026-08-29 16:40:38 +08:00
Sameer Agarwal
78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2024 Google Inc. All rights reserved.
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// http://ceres-solver.org/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: strandmark@google.com (Petter Strandmark)
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#include "ceres/event_logger.h"
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#include <string>
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#include "absl/log/log.h"
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#include "absl/log/vlog_is_on.h"
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#include "absl/strings/str_format.h"
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#include "absl/time/clock.h"
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#include "absl/time/time.h"
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namespace ceres::internal {
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EventLogger::EventLogger(const std::string& logger_name)
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: start_time_(absl::Now()) {
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if (!VLOG_IS_ON(3)) {
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return;
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}
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last_event_time_ = start_time_;
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events_ = absl::StrFormat(
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"\n%s\n Delta Cumulative\n",
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logger_name);
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}
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EventLogger::~EventLogger() {
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if (!VLOG_IS_ON(3)) {
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return;
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}
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AddEvent("Total");
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VLOG(3) << "\n" << events_ << "\n";
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}
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void EventLogger::AddEvent(const std::string& event_name) {
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if (!VLOG_IS_ON(3)) {
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return;
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}
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const absl::Time now = absl::Now();
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absl::StrAppendFormat(&events_,
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" %30s : %10.5f %10.5f\n",
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event_name,
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absl::ToDoubleSeconds(now - last_event_time_),
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absl::ToDoubleSeconds(now - start_time_));
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last_event_time_ = now;
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}
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} // namespace ceres::internal
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