blob: 31049a58796a64df306027771ae2a5fb711d7a9a [file] [log] [blame]
// Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2024 Google Inc. All rights reserved.
// http://ceres-solver.org/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Author: strandmark@google.com (Petter Strandmark)
#include "ceres/event_logger.h"
#include <string>
#include "absl/log/log.h"
#include "absl/log/vlog_is_on.h"
#include "absl/strings/str_format.h"
#include "absl/time/clock.h"
#include "absl/time/time.h"
namespace ceres::internal {
EventLogger::EventLogger(const std::string& logger_name)
: start_time_(absl::Now()) {
if (!VLOG_IS_ON(3)) {
return;
}
last_event_time_ = start_time_;
events_ = absl::StrFormat(
"\n%s\n Delta Cumulative\n",
logger_name);
}
EventLogger::~EventLogger() {
if (!VLOG_IS_ON(3)) {
return;
}
AddEvent("Total");
VLOG(3) << "\n" << events_ << "\n";
}
void EventLogger::AddEvent(const std::string& event_name) {
if (!VLOG_IS_ON(3)) {
return;
}
const absl::Time now = absl::Now();
absl::StrAppendFormat(&events_,
" %30s : %10.5f %10.5f\n",
event_name,
absl::ToDoubleSeconds(now - last_event_time_),
absl::ToDoubleSeconds(now - start_time_));
last_event_time_ = now;
}
} // namespace ceres::internal