blob: aa0659574e2f4df4c6582da99f69f2fbe151dd7b [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "incident_helper"
#include "IncidentHelper.h"
#include "ih_util.h"
#include "frameworks/base/core/proto/android/os/kernelwake.pb.h"
#include "frameworks/base/core/proto/android/os/procrank.pb.h"
#include <android-base/file.h>
#include <unistd.h>
#include <string>
#include <vector>
using namespace android::base;
using namespace android::os;
using namespace std;
// ================================================================================
status_t ReverseParser::Parse(const int in, const int out) const
{
string content;
if (!ReadFdToString(in, &content)) {
fprintf(stderr, "[%s]Failed to read data from incidentd\n", this->name.string());
return -1;
}
// reverse the content
reverse(content.begin(), content.end());
if (!WriteStringToFd(content, out)) {
fprintf(stderr, "[%s]Failed to write data to incidentd\n", this->name.string());
return -1;
}
return NO_ERROR;
}
// ================================================================================
// This list must be in order and sync with kernelwake.proto
const char* kernel_wake_headers[] = {
"name", // id: 1
"active_count", // id: 2
"event_count", // id: 3
"wakeup_count", // id: 4
"expire_count", // id: 5
"active_since", // id: 6
"total_time", // id: 7
"max_time", // id: 8
"last_change", // id: 9
"prevent_suspend_time", // id: 10
};
const string KERNEL_WAKEUP_LINE_DELIMITER = "\t";
status_t KernelWakesParser::Parse(const int in, const int out) const {
Reader reader(in);
string line;
header_t header; // the header of /d/wakeup_sources
record_t record; // retain each record
int nline = 0;
KernelWakeSources proto;
// parse line by line
while (reader.readLine(line)) {
if (line.empty()) continue;
// parse head line
if (nline++ == 0) {
split(line, header, KERNEL_WAKEUP_LINE_DELIMITER);
if (!assertHeaders(kernel_wake_headers, header)) {
fprintf(stderr, "[%s]Bad header:\n%s\n", this->name.string(), line.c_str());
return BAD_VALUE;
}
continue;
}
// parse for each record, the line delimiter is \t only!
split(line, record, KERNEL_WAKEUP_LINE_DELIMITER);
if (record.size() != header.size()) {
// TODO: log this to incident report!
fprintf(stderr, "[%s]Line %d has missing fields\n%s\n", this->name.string(), nline, line.c_str());
continue;
}
WakeupSourceProto* source = proto.add_wakeup_sources();
source->set_name(record.at(0).c_str());
// below are int32
source->set_active_count(atoi(record.at(1).c_str()));
source->set_event_count(atoi(record.at(2).c_str()));
source->set_wakeup_count(atoi(record.at(3).c_str()));
source->set_expire_count(atoi(record.at(4).c_str()));
// below are int64
source->set_active_since(atol(record.at(5).c_str()));
source->set_total_time(atol(record.at(6).c_str()));
source->set_max_time(atol(record.at(7).c_str()));
source->set_last_change(atol(record.at(8).c_str()));
source->set_prevent_suspend_time(atol(record.at(9).c_str()));
}
if (!reader.ok(line)) {
fprintf(stderr, "Bad read from fd %d: %s\n", in, line.c_str());
return -1;
}
if (!proto.SerializeToFileDescriptor(out)) {
fprintf(stderr, "[%s]Error writing proto back\n", this->name.string());
return -1;
}
fprintf(stderr, "[%s]Proto size: %d bytes\n", this->name.string(), proto.ByteSize());
return NO_ERROR;
}
// ================================================================================
const char* procrank_headers[] = {
"PID", // id: 1
"Vss", // id: 2
"Rss", // id: 3
"Pss", // id: 4
"Uss", // id: 5
"Swap", // id: 6
"PSwap", // id: 7
"USwap", // id: 8
"ZSwap", // id: 9
"cmdline", // id: 10
};
status_t ProcrankParser::Parse(const int in, const int out) const {
Reader reader(in);
string line, content;
header_t header; // the header of /d/wakeup_sources
record_t record; // retain each record
int nline = 0;
Procrank proto;
// parse line by line
while (reader.readLine(line)) {
if (line.empty()) continue;
// parse head line
if (nline++ == 0) {
split(line, header);
if (!assertHeaders(procrank_headers, header)) {
fprintf(stderr, "[%s]Bad header:\n%s\n", this->name.string(), line.c_str());
return BAD_VALUE;
}
continue;
}
split(line, record);
if (record.size() != header.size()) {
if (record[record.size() - 1] == "TOTAL") { // TOTAL record
ProcessProto* total = proto.mutable_summary()->mutable_total();
total->set_pss(atol(record.at(0).substr(0, record.at(0).size() - 1).c_str()));
total->set_uss(atol(record.at(1).substr(0, record.at(1).size() - 1).c_str()));
total->set_swap(atol(record.at(2).substr(0, record.at(2).size() - 1).c_str()));
total->set_pswap(atol(record.at(3).substr(0, record.at(3).size() - 1).c_str()));
total->set_uswap(atol(record.at(4).substr(0, record.at(4).size() - 1).c_str()));
total->set_zswap(atol(record.at(5).substr(0, record.at(5).size() - 1).c_str()));
} else if (record[0] == "ZRAM:") {
split(line, record, ":");
proto.mutable_summary()->mutable_zram()->set_raw_text(record[1]);
} else if (record[0] == "RAM:") {
split(line, record, ":");
proto.mutable_summary()->mutable_ram()->set_raw_text(record[1]);
} else {
fprintf(stderr, "[%s]Line %d has missing fields\n%s\n", this->name.string(), nline,
line.c_str());
}
continue;
}
ProcessProto* process = proto.add_processes();
// int32
process->set_pid(atoi(record.at(0).c_str()));
// int64, remove 'K' at the end
process->set_vss(atol(record.at(1).substr(0, record.at(1).size() - 1).c_str()));
process->set_rss(atol(record.at(2).substr(0, record.at(2).size() - 1).c_str()));
process->set_pss(atol(record.at(3).substr(0, record.at(3).size() - 1).c_str()));
process->set_uss(atol(record.at(4).substr(0, record.at(4).size() - 1).c_str()));
process->set_swap(atol(record.at(5).substr(0, record.at(5).size() - 1).c_str()));
process->set_pswap(atol(record.at(6).substr(0, record.at(6).size() - 1).c_str()));
process->set_uswap(atol(record.at(7).substr(0, record.at(7).size() - 1).c_str()));
process->set_zswap(atol(record.at(8).substr(0, record.at(8).size() - 1).c_str()));
// string
process->set_cmdline(record.at(9));
}
if (!reader.ok(line)) {
fprintf(stderr, "Bad read from fd %d: %s\n", in, line.c_str());
return -1;
}
if (!proto.SerializeToFileDescriptor(out)) {
fprintf(stderr, "[%s]Error writing proto back\n", this->name.string());
return -1;
}
fprintf(stderr, "[%s]Proto size: %d bytes\n", this->name.string(), proto.ByteSize());
return NO_ERROR;
}