Rewrite proclogd in Python (#36110)
* Rewrite proclogd in Python * lil more * lil more * Update system/proclogd.py Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update system/proclogd.py Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update system/proclogd.py Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>pull/36093/merge
Adeeb Shihadeh
2 weeks ago
committed by
GitHub
parent
ff34b8af76
commit
275abc1eb5
12 changed files with 230 additions and 459 deletions
@ -0,0 +1,227 @@ |
||||
#!/usr/bin/env python3 |
||||
import os |
||||
from typing import NoReturn, TypedDict |
||||
|
||||
from cereal import messaging |
||||
from openpilot.common.realtime import Ratekeeper |
||||
from openpilot.common.swaglog import cloudlog |
||||
|
||||
JIFFY = os.sysconf(os.sysconf_names['SC_CLK_TCK']) |
||||
PAGE_SIZE = os.sysconf(os.sysconf_names['SC_PAGE_SIZE']) |
||||
|
||||
|
||||
def _cpu_times() -> list[dict[str, float]]: |
||||
cpu_times: list[dict[str, float]] = [] |
||||
try: |
||||
with open('/proc/stat') as f: |
||||
lines = f.readlines()[1:] |
||||
for line in lines: |
||||
if not line.startswith('cpu') or len(line) < 4 or not line[3].isdigit(): |
||||
break |
||||
parts = line.split() |
||||
cpu_times.append({ |
||||
'cpuNum': int(parts[0][3:]), |
||||
'user': float(parts[1]) / JIFFY, |
||||
'nice': float(parts[2]) / JIFFY, |
||||
'system': float(parts[3]) / JIFFY, |
||||
'idle': float(parts[4]) / JIFFY, |
||||
'iowait': float(parts[5]) / JIFFY, |
||||
'irq': float(parts[6]) / JIFFY, |
||||
'softirq': float(parts[7]) / JIFFY, |
||||
}) |
||||
except Exception: |
||||
cloudlog.exception("failed to read /proc/stat") |
||||
return cpu_times |
||||
|
||||
|
||||
def _mem_info() -> dict[str, int]: |
||||
keys = ["MemTotal:", "MemFree:", "MemAvailable:", "Buffers:", "Cached:", "Active:", "Inactive:", "Shmem:"] |
||||
info: dict[str, int] = dict.fromkeys(keys, 0) |
||||
try: |
||||
with open('/proc/meminfo') as f: |
||||
for line in f: |
||||
parts = line.split() |
||||
if parts and parts[0] in info: |
||||
info[parts[0]] = int(parts[1]) * 1024 |
||||
except Exception: |
||||
cloudlog.exception("failed to read /proc/meminfo") |
||||
return info |
||||
|
||||
|
||||
_STAT_POS = { |
||||
'pid': 1, |
||||
'state': 3, |
||||
'ppid': 4, |
||||
'utime': 14, |
||||
'stime': 15, |
||||
'cutime': 16, |
||||
'cstime': 17, |
||||
'priority': 18, |
||||
'nice': 19, |
||||
'num_threads': 20, |
||||
'starttime': 22, |
||||
'vsize': 23, |
||||
'rss': 24, |
||||
'processor': 39, |
||||
} |
||||
|
||||
class ProcStat(TypedDict): |
||||
name: str |
||||
pid: int |
||||
state: str |
||||
ppid: int |
||||
utime: int |
||||
stime: int |
||||
cutime: int |
||||
cstime: int |
||||
priority: int |
||||
nice: int |
||||
num_threads: int |
||||
starttime: int |
||||
vms: int |
||||
rss: int |
||||
processor: int |
||||
|
||||
|
||||
def _parse_proc_stat(stat: str) -> ProcStat | None: |
||||
open_paren = stat.find('(') |
||||
close_paren = stat.rfind(')') |
||||
if open_paren == -1 or close_paren == -1 or open_paren > close_paren: |
||||
return None |
||||
name = stat[open_paren + 1:close_paren] |
||||
stat = stat[:open_paren] + stat[open_paren:close_paren].replace(' ', '_') + stat[close_paren:] |
||||
parts = stat.split() |
||||
if len(parts) < 52: |
||||
return None |
||||
try: |
||||
return { |
||||
'name': name, |
||||
'pid': int(parts[_STAT_POS['pid'] - 1]), |
||||
'state': parts[_STAT_POS['state'] - 1][0], |
||||
'ppid': int(parts[_STAT_POS['ppid'] - 1]), |
||||
'utime': int(parts[_STAT_POS['utime'] - 1]), |
||||
'stime': int(parts[_STAT_POS['stime'] - 1]), |
||||
'cutime': int(parts[_STAT_POS['cutime'] - 1]), |
||||
'cstime': int(parts[_STAT_POS['cstime'] - 1]), |
||||
'priority': int(parts[_STAT_POS['priority'] - 1]), |
||||
'nice': int(parts[_STAT_POS['nice'] - 1]), |
||||
'num_threads': int(parts[_STAT_POS['num_threads'] - 1]), |
||||
'starttime': int(parts[_STAT_POS['starttime'] - 1]), |
||||
'vms': int(parts[_STAT_POS['vsize'] - 1]), |
||||
'rss': int(parts[_STAT_POS['rss'] - 1]), |
||||
'processor': int(parts[_STAT_POS['processor'] - 1]), |
||||
} |
||||
except Exception: |
||||
cloudlog.exception("failed to parse /proc/<pid>/stat") |
||||
return None |
||||
|
||||
class ProcExtra(TypedDict): |
||||
pid: int |
||||
name: str |
||||
exe: str |
||||
cmdline: list[str] |
||||
|
||||
|
||||
_proc_cache: dict[int, ProcExtra] = {} |
||||
|
||||
|
||||
def _get_proc_extra(pid: int, name: str) -> ProcExtra: |
||||
cache: ProcExtra | None = _proc_cache.get(pid) |
||||
if cache is None or cache.get('name') != name: |
||||
exe = '' |
||||
cmdline: list[str] = [] |
||||
try: |
||||
exe = os.readlink(f'/proc/{pid}/exe') |
||||
except OSError: |
||||
pass |
||||
try: |
||||
with open(f'/proc/{pid}/cmdline', 'rb') as f: |
||||
cmdline = [c.decode('utf-8', errors='replace') for c in f.read().split(b'\0') if c] |
||||
except OSError: |
||||
pass |
||||
cache = {'pid': pid, 'name': name, 'exe': exe, 'cmdline': cmdline} |
||||
_proc_cache[pid] = cache |
||||
return cache |
||||
|
||||
|
||||
def _procs() -> list[ProcStat]: |
||||
stats: list[ProcStat] = [] |
||||
for pid_str in os.listdir('/proc'): |
||||
if not pid_str.isdigit(): |
||||
continue |
||||
try: |
||||
with open(f'/proc/{pid_str}/stat') as f: |
||||
stat = f.read() |
||||
parsed = _parse_proc_stat(stat) |
||||
if parsed is not None: |
||||
stats.append(parsed) |
||||
except OSError: |
||||
continue |
||||
return stats |
||||
|
||||
|
||||
def build_proc_log_message(msg) -> None: |
||||
pl = msg.procLog |
||||
|
||||
procs = _procs() |
||||
l = pl.init('procs', len(procs)) |
||||
for i, r in enumerate(procs): |
||||
proc = l[i] |
||||
proc.pid = r['pid'] |
||||
proc.state = ord(r['state'][0]) |
||||
proc.ppid = r['ppid'] |
||||
proc.cpuUser = r['utime'] / JIFFY |
||||
proc.cpuSystem = r['stime'] / JIFFY |
||||
proc.cpuChildrenUser = r['cutime'] / JIFFY |
||||
proc.cpuChildrenSystem = r['cstime'] / JIFFY |
||||
proc.priority = r['priority'] |
||||
proc.nice = r['nice'] |
||||
proc.numThreads = r['num_threads'] |
||||
proc.startTime = r['starttime'] / JIFFY |
||||
proc.memVms = r['vms'] |
||||
proc.memRss = r['rss'] * PAGE_SIZE |
||||
proc.processor = r['processor'] |
||||
proc.name = r['name'] |
||||
|
||||
extra = _get_proc_extra(r['pid'], r['name']) |
||||
proc.exe = extra['exe'] |
||||
cmdline = proc.init('cmdline', len(extra['cmdline'])) |
||||
for j, arg in enumerate(extra['cmdline']): |
||||
cmdline[j] = arg |
||||
|
||||
cpu_times = _cpu_times() |
||||
cpu_list = pl.init('cpuTimes', len(cpu_times)) |
||||
for i, ct in enumerate(cpu_times): |
||||
cpu = cpu_list[i] |
||||
cpu.cpuNum = ct['cpuNum'] |
||||
cpu.user = ct['user'] |
||||
cpu.nice = ct['nice'] |
||||
cpu.system = ct['system'] |
||||
cpu.idle = ct['idle'] |
||||
cpu.iowait = ct['iowait'] |
||||
cpu.irq = ct['irq'] |
||||
cpu.softirq = ct['softirq'] |
||||
|
||||
mem_info = _mem_info() |
||||
pl.mem.total = mem_info["MemTotal:"] |
||||
pl.mem.free = mem_info["MemFree:"] |
||||
pl.mem.available = mem_info["MemAvailable:"] |
||||
pl.mem.buffers = mem_info["Buffers:"] |
||||
pl.mem.cached = mem_info["Cached:"] |
||||
pl.mem.active = mem_info["Active:"] |
||||
pl.mem.inactive = mem_info["Inactive:"] |
||||
pl.mem.shared = mem_info["Shmem:"] |
||||
|
||||
|
||||
def main() -> NoReturn: |
||||
pm = messaging.PubMaster(['procLog']) |
||||
rk = Ratekeeper(0.5) |
||||
while True: |
||||
msg = messaging.new_message('procLog', valid=True) |
||||
build_proc_log_message(msg) |
||||
pm.send('procLog', msg) |
||||
rk.keep_time() |
||||
|
||||
|
||||
if __name__ == '__main__': |
||||
main() |
||||
@ -1,6 +0,0 @@ |
||||
Import('env', 'messaging', 'common') |
||||
libs = [messaging, 'pthread', common] |
||||
env.Program('proclogd', ['main.cc', 'proclog.cc'], LIBS=libs) |
||||
|
||||
if GetOption('extras'): |
||||
env.Program('tests/test_proclog', ['tests/test_proclog.cc', 'proclog.cc'], LIBS=libs) |
||||
@ -1,25 +0,0 @@ |
||||
|
||||
#include <sys/resource.h> |
||||
|
||||
#include "common/ratekeeper.h" |
||||
#include "common/util.h" |
||||
#include "system/proclogd/proclog.h" |
||||
|
||||
ExitHandler do_exit; |
||||
|
||||
int main(int argc, char **argv) { |
||||
setpriority(PRIO_PROCESS, 0, -15); |
||||
|
||||
RateKeeper rk("proclogd", 0.5); |
||||
PubMaster publisher({"procLog"}); |
||||
|
||||
while (!do_exit) { |
||||
MessageBuilder msg; |
||||
buildProcLogMessage(msg); |
||||
publisher.send("procLog", msg); |
||||
|
||||
rk.keepTime(); |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
@ -1,239 +0,0 @@ |
||||
#include "system/proclogd/proclog.h" |
||||
|
||||
#include <dirent.h> |
||||
|
||||
#include <cassert> |
||||
#include <fstream> |
||||
#include <iterator> |
||||
#include <sstream> |
||||
|
||||
#include "common/swaglog.h" |
||||
#include "common/util.h" |
||||
|
||||
namespace Parser { |
||||
|
||||
// parse /proc/stat
|
||||
std::vector<CPUTime> cpuTimes(std::istream &stream) { |
||||
std::vector<CPUTime> cpu_times; |
||||
std::string line; |
||||
// skip the first line for cpu total
|
||||
std::getline(stream, line); |
||||
while (std::getline(stream, line)) { |
||||
if (line.compare(0, 3, "cpu") != 0) break; |
||||
|
||||
CPUTime t = {}; |
||||
std::istringstream iss(line); |
||||
if (iss.ignore(3) >> t.id >> t.utime >> t.ntime >> t.stime >> t.itime >> t.iowtime >> t.irqtime >> t.sirqtime) |
||||
cpu_times.push_back(t); |
||||
} |
||||
return cpu_times; |
||||
} |
||||
|
||||
// parse /proc/meminfo
|
||||
std::unordered_map<std::string, uint64_t> memInfo(std::istream &stream) { |
||||
std::unordered_map<std::string, uint64_t> mem_info; |
||||
std::string line, key; |
||||
while (std::getline(stream, line)) { |
||||
uint64_t val = 0; |
||||
std::istringstream iss(line); |
||||
if (iss >> key >> val) { |
||||
mem_info[key] = val * 1024; |
||||
} |
||||
} |
||||
return mem_info; |
||||
} |
||||
|
||||
// field position (https://man7.org/linux/man-pages/man5/proc.5.html)
|
||||
enum StatPos { |
||||
pid = 1, |
||||
state = 3, |
||||
ppid = 4, |
||||
utime = 14, |
||||
stime = 15, |
||||
cutime = 16, |
||||
cstime = 17, |
||||
priority = 18, |
||||
nice = 19, |
||||
num_threads = 20, |
||||
starttime = 22, |
||||
vsize = 23, |
||||
rss = 24, |
||||
processor = 39, |
||||
MAX_FIELD = 52, |
||||
}; |
||||
|
||||
// parse /proc/pid/stat
|
||||
std::optional<ProcStat> procStat(std::string stat) { |
||||
// To avoid being fooled by names containing a closing paren, scan backwards.
|
||||
auto open_paren = stat.find('('); |
||||
auto close_paren = stat.rfind(')'); |
||||
if (open_paren == std::string::npos || close_paren == std::string::npos || open_paren > close_paren) { |
||||
return std::nullopt; |
||||
} |
||||
|
||||
std::string name = stat.substr(open_paren + 1, close_paren - open_paren - 1); |
||||
// replace space in name with _
|
||||
std::replace(&stat[open_paren], &stat[close_paren], ' ', '_'); |
||||
std::istringstream iss(stat); |
||||
std::vector<std::string> v{std::istream_iterator<std::string>(iss), |
||||
std::istream_iterator<std::string>()}; |
||||
try { |
||||
if (v.size() != StatPos::MAX_FIELD) { |
||||
throw std::invalid_argument("stat"); |
||||
} |
||||
ProcStat p = { |
||||
.name = name, |
||||
.pid = stoi(v[StatPos::pid - 1]), |
||||
.state = v[StatPos::state - 1][0], |
||||
.ppid = stoi(v[StatPos::ppid - 1]), |
||||
.utime = stoul(v[StatPos::utime - 1]), |
||||
.stime = stoul(v[StatPos::stime - 1]), |
||||
.cutime = stol(v[StatPos::cutime - 1]), |
||||
.cstime = stol(v[StatPos::cstime - 1]), |
||||
.priority = stol(v[StatPos::priority - 1]), |
||||
.nice = stol(v[StatPos::nice - 1]), |
||||
.num_threads = stol(v[StatPos::num_threads - 1]), |
||||
.starttime = stoull(v[StatPos::starttime - 1]), |
||||
.vms = stoul(v[StatPos::vsize - 1]), |
||||
.rss = stol(v[StatPos::rss - 1]), |
||||
.processor = stoi(v[StatPos::processor - 1]), |
||||
}; |
||||
return p; |
||||
} catch (const std::invalid_argument &e) { |
||||
LOGE("failed to parse procStat (%s) :%s", e.what(), stat.c_str()); |
||||
} catch (const std::out_of_range &e) { |
||||
LOGE("failed to parse procStat (%s) :%s", e.what(), stat.c_str()); |
||||
} |
||||
return std::nullopt; |
||||
} |
||||
|
||||
// return list of PIDs from /proc
|
||||
std::vector<int> pids() { |
||||
std::vector<int> ids; |
||||
DIR *d = opendir("/proc"); |
||||
assert(d); |
||||
char *p_end; |
||||
struct dirent *de = NULL; |
||||
while ((de = readdir(d))) { |
||||
if (de->d_type == DT_DIR) { |
||||
int pid = strtol(de->d_name, &p_end, 10); |
||||
if (p_end == (de->d_name + strlen(de->d_name))) { |
||||
ids.push_back(pid); |
||||
} |
||||
} |
||||
} |
||||
closedir(d); |
||||
return ids; |
||||
} |
||||
|
||||
// null-delimited cmdline arguments to vector
|
||||
std::vector<std::string> cmdline(std::istream &stream) { |
||||
std::vector<std::string> ret; |
||||
std::string line; |
||||
while (std::getline(stream, line, '\0')) { |
||||
if (!line.empty()) { |
||||
ret.push_back(line); |
||||
} |
||||
} |
||||
return ret; |
||||
} |
||||
|
||||
const ProcCache &getProcExtraInfo(int pid, const std::string &name) { |
||||
static std::unordered_map<pid_t, ProcCache> proc_cache; |
||||
ProcCache &cache = proc_cache[pid]; |
||||
if (cache.pid != pid || cache.name != name) { |
||||
cache.pid = pid; |
||||
cache.name = name; |
||||
std::string proc_path = "/proc/" + std::to_string(pid); |
||||
cache.exe = util::readlink(proc_path + "/exe"); |
||||
std::ifstream stream(proc_path + "/cmdline"); |
||||
cache.cmdline = cmdline(stream); |
||||
} |
||||
return cache; |
||||
} |
||||
|
||||
} // namespace Parser
|
||||
|
||||
const double jiffy = sysconf(_SC_CLK_TCK); |
||||
const size_t page_size = sysconf(_SC_PAGE_SIZE); |
||||
|
||||
void buildCPUTimes(cereal::ProcLog::Builder &builder) { |
||||
std::ifstream stream("/proc/stat"); |
||||
std::vector<CPUTime> stats = Parser::cpuTimes(stream); |
||||
|
||||
auto log_cpu_times = builder.initCpuTimes(stats.size()); |
||||
for (int i = 0; i < stats.size(); ++i) { |
||||
auto l = log_cpu_times[i]; |
||||
const CPUTime &r = stats[i]; |
||||
l.setCpuNum(r.id); |
||||
l.setUser(r.utime / jiffy); |
||||
l.setNice(r.ntime / jiffy); |
||||
l.setSystem(r.stime / jiffy); |
||||
l.setIdle(r.itime / jiffy); |
||||
l.setIowait(r.iowtime / jiffy); |
||||
l.setIrq(r.irqtime / jiffy); |
||||
l.setSoftirq(r.sirqtime / jiffy); |
||||
} |
||||
} |
||||
|
||||
void buildMemInfo(cereal::ProcLog::Builder &builder) { |
||||
std::ifstream stream("/proc/meminfo"); |
||||
auto mem_info = Parser::memInfo(stream); |
||||
|
||||
auto mem = builder.initMem(); |
||||
mem.setTotal(mem_info["MemTotal:"]); |
||||
mem.setFree(mem_info["MemFree:"]); |
||||
mem.setAvailable(mem_info["MemAvailable:"]); |
||||
mem.setBuffers(mem_info["Buffers:"]); |
||||
mem.setCached(mem_info["Cached:"]); |
||||
mem.setActive(mem_info["Active:"]); |
||||
mem.setInactive(mem_info["Inactive:"]); |
||||
mem.setShared(mem_info["Shmem:"]); |
||||
} |
||||
|
||||
void buildProcs(cereal::ProcLog::Builder &builder) { |
||||
auto pids = Parser::pids(); |
||||
std::vector<ProcStat> proc_stats; |
||||
proc_stats.reserve(pids.size()); |
||||
for (int pid : pids) { |
||||
std::string path = "/proc/" + std::to_string(pid) + "/stat"; |
||||
if (auto stat = Parser::procStat(util::read_file(path))) { |
||||
proc_stats.push_back(*stat); |
||||
} |
||||
} |
||||
|
||||
auto procs = builder.initProcs(proc_stats.size()); |
||||
for (size_t i = 0; i < proc_stats.size(); i++) { |
||||
auto l = procs[i]; |
||||
const ProcStat &r = proc_stats[i]; |
||||
l.setPid(r.pid); |
||||
l.setState(r.state); |
||||
l.setPpid(r.ppid); |
||||
l.setCpuUser(r.utime / jiffy); |
||||
l.setCpuSystem(r.stime / jiffy); |
||||
l.setCpuChildrenUser(r.cutime / jiffy); |
||||
l.setCpuChildrenSystem(r.cstime / jiffy); |
||||
l.setPriority(r.priority); |
||||
l.setNice(r.nice); |
||||
l.setNumThreads(r.num_threads); |
||||
l.setStartTime(r.starttime / jiffy); |
||||
l.setMemVms(r.vms); |
||||
l.setMemRss((uint64_t)r.rss * page_size); |
||||
l.setProcessor(r.processor); |
||||
l.setName(r.name); |
||||
|
||||
const ProcCache &extra_info = Parser::getProcExtraInfo(r.pid, r.name); |
||||
l.setExe(extra_info.exe); |
||||
auto lcmdline = l.initCmdline(extra_info.cmdline.size()); |
||||
for (size_t j = 0; j < lcmdline.size(); j++) { |
||||
lcmdline.set(j, extra_info.cmdline[j]); |
||||
} |
||||
} |
||||
} |
||||
|
||||
void buildProcLogMessage(MessageBuilder &msg) { |
||||
auto procLog = msg.initEvent().initProcLog(); |
||||
buildProcs(procLog); |
||||
buildCPUTimes(procLog); |
||||
buildMemInfo(procLog); |
||||
} |
||||
@ -1,40 +0,0 @@ |
||||
#include <optional> |
||||
#include <string> |
||||
#include <unordered_map> |
||||
#include <vector> |
||||
|
||||
#include "cereal/messaging/messaging.h" |
||||
|
||||
struct CPUTime { |
||||
int id; |
||||
unsigned long utime, ntime, stime, itime; |
||||
unsigned long iowtime, irqtime, sirqtime; |
||||
}; |
||||
|
||||
struct ProcCache { |
||||
int pid; |
||||
std::string name, exe; |
||||
std::vector<std::string> cmdline; |
||||
}; |
||||
|
||||
struct ProcStat { |
||||
int pid, ppid, processor; |
||||
char state; |
||||
long cutime, cstime, priority, nice, num_threads, rss; |
||||
unsigned long utime, stime, vms; |
||||
unsigned long long starttime; |
||||
std::string name; |
||||
}; |
||||
|
||||
namespace Parser { |
||||
|
||||
std::vector<int> pids(); |
||||
std::optional<ProcStat> procStat(std::string stat); |
||||
std::vector<std::string> cmdline(std::istream &stream); |
||||
std::vector<CPUTime> cpuTimes(std::istream &stream); |
||||
std::unordered_map<std::string, uint64_t> memInfo(std::istream &stream); |
||||
const ProcCache &getProcExtraInfo(int pid, const std::string &name); |
||||
|
||||
}; // namespace Parser
|
||||
|
||||
void buildProcLogMessage(MessageBuilder &msg); |
||||
@ -1 +0,0 @@ |
||||
test_proclog |
||||
@ -1,142 +0,0 @@ |
||||
#define CATCH_CONFIG_MAIN |
||||
#include "catch2/catch.hpp" |
||||
#include "common/util.h" |
||||
#include "system/proclogd/proclog.h" |
||||
|
||||
const std::string allowed_states = "RSDTZtWXxKWPI"; |
||||
|
||||
TEST_CASE("Parser::procStat") { |
||||
SECTION("from string") { |
||||
const std::string stat_str = |
||||
"33012 (code )) S 32978 6620 6620 0 -1 4194368 2042377 0 144 0 24510 11627 0 " |
||||
"0 20 0 39 0 53077 830029824 62214 18446744073709551615 94257242783744 94257366235808 " |
||||
"140735738643248 0 0 0 0 4098 1073808632 0 0 0 17 2 0 0 2 0 0 94257370858656 94257371248232 " |
||||
"94257404952576 140735738648768 140735738648823 140735738648823 140735738650595 0"; |
||||
auto stat = Parser::procStat(stat_str); |
||||
REQUIRE(stat); |
||||
REQUIRE(stat->pid == 33012); |
||||
REQUIRE(stat->name == "code )"); |
||||
REQUIRE(stat->state == 'S'); |
||||
REQUIRE(stat->ppid == 32978); |
||||
REQUIRE(stat->utime == 24510); |
||||
REQUIRE(stat->stime == 11627); |
||||
REQUIRE(stat->cutime == 0); |
||||
REQUIRE(stat->cstime == 0); |
||||
REQUIRE(stat->priority == 20); |
||||
REQUIRE(stat->nice == 0); |
||||
REQUIRE(stat->num_threads == 39); |
||||
REQUIRE(stat->starttime == 53077); |
||||
REQUIRE(stat->vms == 830029824); |
||||
REQUIRE(stat->rss == 62214); |
||||
REQUIRE(stat->processor == 2); |
||||
} |
||||
SECTION("all processes") { |
||||
std::vector<int> pids = Parser::pids(); |
||||
REQUIRE(pids.size() > 1); |
||||
for (int pid : pids) { |
||||
std::string stat_path = "/proc/" + std::to_string(pid) + "/stat"; |
||||
INFO(stat_path); |
||||
if (auto stat = Parser::procStat(util::read_file(stat_path))) { |
||||
REQUIRE(stat->pid == pid); |
||||
REQUIRE(allowed_states.find(stat->state) != std::string::npos); |
||||
} else { |
||||
REQUIRE(util::file_exists(stat_path) == false); |
||||
} |
||||
} |
||||
} |
||||
} |
||||
|
||||
TEST_CASE("Parser::cpuTimes") { |
||||
SECTION("from string") { |
||||
std::string stat = |
||||
"cpu 0 0 0 0 0 0 0 0 0 0\n" |
||||
"cpu0 1 2 3 4 5 6 7 8 9 10\n" |
||||
"cpu1 1 2 3 4 5 6 7 8 9 10\n"; |
||||
std::istringstream stream(stat); |
||||
auto stats = Parser::cpuTimes(stream); |
||||
REQUIRE(stats.size() == 2); |
||||
for (int i = 0; i < stats.size(); ++i) { |
||||
REQUIRE(stats[i].id == i); |
||||
REQUIRE(stats[i].utime == 1); |
||||
REQUIRE(stats[i].ntime ==2); |
||||
REQUIRE(stats[i].stime == 3); |
||||
REQUIRE(stats[i].itime == 4); |
||||
REQUIRE(stats[i].iowtime == 5); |
||||
REQUIRE(stats[i].irqtime == 6); |
||||
REQUIRE(stats[i].sirqtime == 7); |
||||
} |
||||
} |
||||
SECTION("all cpus") { |
||||
std::istringstream stream(util::read_file("/proc/stat")); |
||||
auto stats = Parser::cpuTimes(stream); |
||||
REQUIRE(stats.size() == sysconf(_SC_NPROCESSORS_ONLN)); |
||||
for (int i = 0; i < stats.size(); ++i) { |
||||
REQUIRE(stats[i].id == i); |
||||
} |
||||
} |
||||
} |
||||
|
||||
TEST_CASE("Parser::memInfo") { |
||||
SECTION("from string") { |
||||
std::istringstream stream("MemTotal: 1024 kb\nMemFree: 2048 kb\n"); |
||||
auto meminfo = Parser::memInfo(stream); |
||||
REQUIRE(meminfo["MemTotal:"] == 1024 * 1024); |
||||
REQUIRE(meminfo["MemFree:"] == 2048 * 1024); |
||||
} |
||||
SECTION("from /proc/meminfo") { |
||||
std::string require_keys[] = {"MemTotal:", "MemFree:", "MemAvailable:", "Buffers:", "Cached:", "Active:", "Inactive:", "Shmem:"}; |
||||
std::istringstream stream(util::read_file("/proc/meminfo")); |
||||
auto meminfo = Parser::memInfo(stream); |
||||
for (auto &key : require_keys) { |
||||
REQUIRE(meminfo.find(key) != meminfo.end()); |
||||
REQUIRE(meminfo[key] > 0); |
||||
} |
||||
} |
||||
} |
||||
|
||||
void test_cmdline(std::string cmdline, const std::vector<std::string> requires) { |
||||
std::stringstream ss; |
||||
ss.write(&cmdline[0], cmdline.size()); |
||||
auto cmds = Parser::cmdline(ss); |
||||
REQUIRE(cmds.size() == requires.size()); |
||||
for (int i = 0; i < requires.size(); ++i) { |
||||
REQUIRE(cmds[i] == requires[i]); |
||||
} |
||||
} |
||||
TEST_CASE("Parser::cmdline") { |
||||
test_cmdline(std::string("a\0b\0c\0", 7), {"a", "b", "c"}); |
||||
test_cmdline(std::string("a\0\0c\0", 6), {"a", "c"}); |
||||
test_cmdline(std::string("a\0b\0c\0\0\0", 9), {"a", "b", "c"}); |
||||
} |
||||
|
||||
TEST_CASE("buildProcLoggerMessage") { |
||||
MessageBuilder msg; |
||||
buildProcLogMessage(msg); |
||||
|
||||
kj::Array<capnp::word> buf = capnp::messageToFlatArray(msg); |
||||
capnp::FlatArrayMessageReader reader(buf); |
||||
auto log = reader.getRoot<cereal::Event>().getProcLog(); |
||||
REQUIRE(log.totalSize().wordCount > 0); |
||||
|
||||
// test cereal::ProcLog::CPUTimes
|
||||
auto cpu_times = log.getCpuTimes(); |
||||
REQUIRE(cpu_times.size() == sysconf(_SC_NPROCESSORS_ONLN)); |
||||
REQUIRE(cpu_times[cpu_times.size() - 1].getCpuNum() == cpu_times.size() - 1); |
||||
|
||||
// test cereal::ProcLog::Mem
|
||||
auto mem = log.getMem(); |
||||
REQUIRE(mem.getTotal() > 0); |
||||
REQUIRE(mem.getShared() > 0); |
||||
|
||||
// test cereal::ProcLog::Process
|
||||
auto procs = log.getProcs(); |
||||
for (auto p : procs) { |
||||
REQUIRE(allowed_states.find(p.getState()) != std::string::npos); |
||||
if (p.getPid() == ::getpid()) { |
||||
REQUIRE(p.getName() == "test_proclog"); |
||||
REQUIRE(p.getState() == 'R'); |
||||
REQUIRE_THAT(p.getExe().cStr(), Catch::Matchers::Contains("test_proclog")); |
||||
REQUIRE_THAT(p.getCmdline()[0], Catch::Matchers::Contains("test_proclog")); |
||||
} |
||||
} |
||||
} |
||||
Loading…
Reference in new issue